## - Thursday 

# * *J March 23, 1995

-

_



# Part I

# Department of Energy , _-



### Office of Energy Efficiency and



## Renewable Energy Ovens; and Clothes Washers; and



### WE 

## ~Dishwashers; Proposed Rule _ 1 

# =Department 

# of



# - Energy

5n .- 

# Office of Energy Efficiency and

w
- 

# Renewable Energy


# 10 CFR Part 430

,r, ' Y 

# Test Procedures for Water Heaters;

c 

# - 

# : Kitchen Ranges, Ovens, and Microwave

.-~ ' '= Ovens; and Clothes Washers; and

_____ 

# -- Reporting Requirements for Clothes Washers, Clothes Dryers and



# . 

# I Dishwashers; Proposed Rule

15329 

## Thursday March 23, 1995



# Part 'II 

# Department of Energy

Office of Energy Efficiency and Renewable Energy

10 CFR Part 430 Test Procedures for Water Heaters; Kitchen Ranges, Ovens" and Microwave Ovens; and Clothes Washers; and Reporting Requirements for Clothes Washers, Clothes Dryers and Dishwashers; Proposed Rule 

# L

15329

### 15330 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

DEPARTMENT OF ENERGY Dockets, TestProcedures for Water FOR FURTHER INFORMATION CONTACT: Heaters; Kitchen Ranges, Ovens, and Office of Energy Efficiency and HMicrowave Ovens; and Clothes William W Hui-Water Heaters (202) Microwave Ovens; and Clothes 586-914 5 l t a Renewable EnergyWashers; and Reporting Requirements Ingrid M. WatsonRanges, Ovens and 

### 10quiCremert

4n -for Clothes Washers, Clothes Dryers, Microwaves (202) 5868119 10CR Part 430and Dishwashers," Docket No. EE-RM- Marc LaFrance-Clothes Washers and (Docket No. EE-RFM4-230] 94-230, Forrestal Building, 1000 Der, an ishwashe (202) Independence Avenue, SW., 843 Energy Conservation Program for Washington, DC 20585. De mentofEner Ener UH. Department ofEnergy, Energy Consumer Products: Test Procedures The hearing will be held at the U.S. Efficiency and Renewable for WaterHeter; Kitchen 

### Ranges, Department ofEnergy, Forrestal EnergyMal Station EE-431 Forrestal Ovens, and Microwave Ovens; and Building, Room E-245, 1000Building, 1000 Independence Avenue Clothes Washers; and Reporting Independence Avenue, SW., SW., Washington, DC. 20585 Requirement forClothes Wahers, Washington, DC.Eugene Margol Esq., U.S. Department Clothes Dryers, and Dishwashers Requests may be hand delivered of Energy, Office of General Counsel, AGENCY: Office of Energy Efficiency and between the hours of 8 a.m. and 4 p.m., Mail Station GC-72, Forrestal Renewable Energy, Department of Monday through Friday, except Federal Building, 1000 Independence Avenue, Energy

. holidays. Requests should be labeled, SW., Washington, D.C. 20585, (202) ACTiON: Proposed Rule and Publicar t e"Test Procedures for Water Heaters; 586-9507. ACTION: Propose d Rule and Public

w Hearing. Kitchen Ranges, Ovens, and Microwave SUPPLEMENTARY INFORMATION: 

### Hearming.owave; _Ovens; and Clothes Washers; and SUMMARY: The Energy Policy and Reporting Requirements for Clothes 1.Introduction Conservation Act, as amended, requires Washers, Clothes Dryers, and the Department of Energy (DOE or the Dishwashers," (Docket No. EE-RM-94- Auhoty Department) to administer an energy 230), both on the document and on the Part B ofTitle III of the Energy Policy conservation program for certain major envelope. and Conservation Act, Pub. L. 94-163, household appliances and commercial Copies ofthe transcript ofthe public as amended bythe National Energy equipment. Among other program hearing and public comments received Conservation Policy Act, Pub. L. 95- elements, the Act requires that standard may be read and/or photocopied at the 619, the National Appliance Energy methods oftesting be prescribed for Department ofEnergy Freedom of Conservation Act of 1987, Pub.L. 100- each covered product. Thepurposes Information Reading Room .S. 12, the National Appliance Energy this Proposed Rulemaking are to:Department ofEnergy Forrestal Conservation Amendments'of 1988, propose amendments to clarify.the Building, Room 1E-190, 1000 Pub. L. 100-357, and the Energy Policy water heater; kitchen range, oven, and Independence Avenue, SW., Act of 1992, Pub. L. 102-486, created microwave; and clothes washer test Washington, DC 20585, (202) 586-6020 the Energy Conservation Program for procedures, announce the Department's between the hours of 9 a.m. and 4 p.m., Consumer Products other than intentions to incorporate by reference Monday through Friday, except Federal Automobiles (Program). The products test procedures adopted by the holidays. currently subject to this Program (often International Electrotechnical The Department will incorporate by eferred to hereafter as "covered Commission (IEC), and request data, reference test standards from theproducts") include water heaters; comments, and information regarding nternational Electrotechnical kitchen ranges, ovens, and microwaves; their applicability and workability. Commission upon publication ofthis and clothes washers, the subjects of Today's amendments of the test rule as final These standards are listed today's notice. procedures are not expected to alter the below: Under the Act, the Program consists minimum energy conservation essentioally ofthree parts: Testing, International Electrotechnical Commissi labeling, and theFederal energy standards currently in effect, or those Publication 705, and Amendment 2-1993energy being proposed in the Eight Products conservation standards. The Notice ofProposed Rulemaking,

. Microwave Ovens for Householdand SimilarDepartment, n consultationwith the published March 4, 1994 (59 FR 10464). Purposes," Section 4,Paragraph 12 National Institute of Standards and DATES: Written comments in response to "Microwave Power Output Measurement," Technology (formerlythe National this notice must be received by August Paragraph 13 "Electrical Power Output Bureau of Standards), is required to Je31, 1995. Tn( sofCMeasurement," and Paragraph 14 amend or establish new test procedures

Oral views, data, and arguments may "ffidency. as appropriate for each of the covered be presented at the public hearing to be Copies of these standards may be productsEPCA section323.The held in Washington, DC, beginning at viewed at the Department ofEnergy purpose ofthe test procedures is to 9:30 a.m. on July 12, 1995. Requests to Freedom ofInformation Reading Room produce testresults which measure speak at the hearing must be received by at the address stated above. Copies of energy efficiency,'energy use, water use the Department no later than 4 p.m., the International Electrotechnical (inthe case ofshowerheads, faucets, June 28, 1995. Ten (10) copies of Commission Publication can be water closets and urinals), or estimated statements to be given at the public obtained from the American National annual operating cost ofa covered hearing must be received by the Standards Institute, 11 West 42ndproduct during a representative average Department no later than 4 p.m., July 5, Street, New York, New York 10036, use cycle or period of use, and must not 1995. (212) 642-4936. be unduly burdensome to conduct. 

### ADDRESSES: Written comments, and For more information concerning EPCA, section 323(b)(3). A test requests to speak at the public hearing public participation in this rulemaking

are to be submitted to: U.S. Department proceeding, see Section XI, "Public Co ofTitle mofT Energy Policyand .f Energy, .ffie CofEnsergy Efficiency Comeivation Act, as amended, Isreferred to in this ofEnergy, Office ofEnergy Efficiency Comment Procedures," of the final rule as "EPCA" orthe "Act." Par Bof Title and Renewable Energy, Hearings and SUPPLEMENTARY INFORMATION section. m is codified at 42U.S.C. 6291-6309. 

## 15330 Federal Register 

## I Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

DEPARnlENT 

### OF ENERGY 

### Dockets, Test Procedures for Water Heaters; Kitchen Ranges, Ovens, and Office of Energy Efficiency and 

### Microwave.Ovens; and Clothes Ren...,1e Energy·

. 

### Washers; and Reporting Requirements 10CFR 

### Pan430

.for ClothesWashers, Clothes Dryers, andDishwashers," Docket No. EE-RM;'" [Dock"

### No. EE-

.... 

### 4-230]
, 94-230, Forrestal Building, .1000 Independence Avenue, SW., Energy Conservation Program for 

### Washington, DC 20585.

. . Consumer Products: 

### Teat Procedures 

### The hearing will**b~** 

### held atthe U.S. 

### for Water.Heaters; Kitchen 

### Ranges,

.Department ofErierllY, Forrestal Ovens, and Microwave Ovens; and 

### Building, Room lE-245, 1000 Clothes Washera; and Reporting

. 

### 'Independence Avenue, SW.,

. Requirements for Clothes Washers, 

### Washington, DC. ' Clothes Dryers, and Dishwashers

. 

### Requests may.be handdelivered ' AGENCY: 

### Office ofEnergy Efficiency and between the hours of8 a.m. and4 p.m., Renewable Energy, Department of Monday through Friday, except Federal Energy. holidays. Requests shouldbe labeled, ACTION: 

### Proposed Rule and Public "TestProcedures for WaterHeaters; H . Kitchen Ranges, Ovens, andMicrowave

, eanng. Ovens; and Clothes.Washers; and

SUIlllARY: 

### The Energy Policy and Reporting RequirementsforClothes Conservation Act, as amended, requires Washers, Clothes Dryers; and the Department ofEnergy (DOE orthe Dishwashers," (Docket No. EE-RM-94- Department) to administeranenerllY 230), both on the document and onthe conselVation program for certain major envelope. , ' household appliances and commercial Copies ofthe transcript ofthe public equipment. Among other program hearing and public comments received 'elements, the Act requires thatstandard may be read and/or photocopied at the methods**o~** 

### testing be prescribed for Department ofEnerllY Freedom of each covered product.The purposes of

. Information Reading Room,'tJ.S. this Proposed Rulemaking are to: Department ofEnerllY, Forrestal propose**am~ndments** 

### to clarify-the Building, Room lE-190, 1000 water heater; kitchen range, oven, arid Independence Avenue,SW., microwave; and clothesWaSher test Washington, DC 20585, (202) 586-6020 procedures, announce theDepartment's between the hours of9 a.m. and 4,p.m.;

. intentions to**incorporat~** 

### by reference ,Mondaythrough Friday, except Federal test procedures adopted by the

. holidays. ' International Electrotechnical ' The Department will incorporate by, Commission,(lEC), andrequest data, reference test standardsfrom the comments, and information regarding InternationalElectrotechnical' theirapplicability and workability. Commissionupon publication of**thi~** 

### Today's amendments ofthe test rule as final. These standards are listed procedures are not expected to alter the below: minimum energy conservation International Electrotechnical Commission standards currently in effect, orthose PubUcation705, and Amendment 2-1993. being proposed in the Eight Products "Methods for Measuring the Performance of Notice ofProposed**~ulemaking;** 

### :Microwave Ovens for Household and 

### Stmtlar published March 4, 1994 (59 FR 10464). Purposes:'**Section~.** 

### Paragraph 12 DATES: 

### Written comments in response to "Microwave Power OutputMeasurement:' this notice must be received by August Paragraph 13 "Electrical Power Output 31, 1995. Measurement," and Paragraph 14 "EfTidency

... Oral views, data, and arguments may be presented atthe**publ~c** 

### hearing to be Copies ofthese standards may be held in Washington, DC. beginning at viewed at the Department ofEnerllY 9:30 a.m. onJuly 12. 1995. Requests to Freedom oflruormation Reading Room speak at the hearing must be received by at the address stated above. Copies of the Department no later than 4 p.m., the International Electrotechnical June 28. 1995. Ten (10) copies of Commission Publication can be statements to be given atthe public obtainedfrom the American National ,hearing must be received by the Standards Institute, 11 West 42nd ' Department no later than 4 p.m.• July 5. Street, New York, New York 10036, 1995. " (212) 642-4936. ' / ADDRESSES: Written comments, and For more information concerning

,requests to speakat the public hearing public partiCipation inthis rulel1laking
are to be, submittedto: U.S. Department proceeding. see Section Xl, "Public ofEnergy, Office ofEnergy Efficiency Comment Procedures." ofthe and Renewable Energy, Hearings Clnd SUPPLEMENTARY 

### INFORMATION section. ' FOR FURTHER**IN~TlON** CONTACT: 

### WiIliam W. Hui-WaterHeaters (202)

586-9145

,Ingrid M. Watson-Ranges, Ovens and Microwaves (202) 586-8119 ' Marc LaFrance-ClothesWashers and

Dryers, and Dishwashers (202) 586- 8423 U.s. Department ofEnergy, Energy

Efficiency andRenewable EnefJlY,Mail StationEE-431.Forrestal Building, 1000 Independence Avenue, SW.• Washington, DC. 20585
, Eugene Margolis, Esq

.. U.S. Department

ofEnefJlY, Office ofGeneral Counsel, Mail Station GC;;'72. Forrestal Building. 1000 Independence Avenue: SW" Washington, D.C. 20585, (202)

. 586-9507. '
SUPPLEMENTARY

### ,INFORMATION: 

### I.' Introduction 

### A. Authority

Part B Of

### Title III ofthe Energy Policy and Conservation Act, Pub.'L, 94-163,
as amended bythe National Energy Conservation Policy Act. Pub. L. 95- 619, the National Appliance Energy Conservation Act of 1987. Pub.L.l00- 12. the National Appliance Energy
, ConselVation Ainendments'of 1988. Pub. L. 100-357, and the Energy Policy ,Act of 1992, Pub. L. 102-486. created the EnerllY ConselVation Program for Consumer Products otherthim ' Automobiles (Program).l The products currently subject to this Program (often referred.tohereafter as "covered' products") include water heaters; kitchen ranges, ovens, and microwaves; and clothes washers, the subjects of today's notice.

Under the Act"the'Program consists essentially ofthree parts: 

### Testing, labeling, and the Federal energy conseavation standards. The Department, in consuitationwith the National Institute ofStandards and Technology(formerly the National Bureau ofStandards), is required to amend orestablish new test procedures
as appropriate for each ofthe covered**products~** 

### EPCA. section'323. The purpose ofthetestprocedureS 'is to produce test results which measure 'energy efficiency.'energy use,' wateruse (in the case ofshowerheads, faucets, water closets andurinals). orestimated'

, annual operating cost ofa covered

product during a representative average use cycle or period ofuse, and must not ' be unduly burdensome to conduct. EPCA; section 323(b)(3). A test

1Part B ofTitle

## m ofEnergy Polleyand ' Conservation Act, as amended. 15 referred to In this ftnal rule as "EPCA" orthe "Act." Pan B ofTitle 

# m

Iscodifled at42 U.s.C.**6291~09.**

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15331

procedure is not required if DOE (2) Kitchen ranges, ovens; and * Extend testing and performance determines by rule that one cannot be microwaves. coverage to water-heating clothes developed. EPCA, section 323(d)(1). (a)Revision ofsubpart B, section washers. One hundred and eighty days after a test 430.22 to include test procedure * Extend coverage for clothes washers procedure for a product is adopted, no changes. that have infinite/variable temperature manufacturer may make representations (b) Revision of subpart B, appendix I. selection capability. with respect to energy use, energy 1.Revise the annual useful energy 3. Addition ofoptional water efficiency or water use of such product, output to reflect changes inthe annual consumption and extraction procedures
or the cost of energy consumed by such usage ofranges, ovens, cooktops, and which include the following: product, except as reflected in tests microwave ovens. * Add new definitions for the conducted according to the DOE 2. Add definition for "IEC 705." following terms: modified energy factor, procedure. EPCA, section 323(c)(2). Test 3.Eliminate the requirement to use a moisture removal energy and water procedures appear at 10 CFR part 430, standard continuous flow calorimeter. consumption factor. subpart B. 4. Incorporate by reference the

· Add optional test procedures to

However, the 180-day period referred International Electrotechnical determine the above values. to in section 323(c)(2) may be extended Commission Publication 705 (4) Addition to subpart F, § 430.62, to for a period ofup to an additional 180 Amendment 2-1993, section 4, add reporting requirements for energy days ifthe Secretary determines that the Paragraphs 12-14. factors for clothes washers, clothes requirements ofsection 323(c)(2) would 5. Include the clock energy in the dryers, and dishwashers. impose undue burden. EPCA, section calculation of annual energy In addition, metric units of 323(c)(3). consumption for microwave ovens. measurements have been included in

Section 323(e) of the Act requires 6. Revise section 2.8 "Test Beakers" the three test procedures (English values DOE to determine to what extent, if any, replace with new section 2.8 are given followed by their appropriate
a proposed test procedure would alter "Microwave Oven TestLoad." International System of Units in the measured energy efficiency, 7. Revise section 2.9.3.4 "Microwave parentheses). measured energy use or measured water Oven and Test Load Temperature,"
use ofany covered product as replace with new section 2.9.3.4 "Test II. Discussion determined under the existing test Load Temperature." A. WaterHeaterTest Procedure procedure. If DOE determines that an 8. Eliminate section 4.3 amended test procedure would alter the "Conventional Range," and section 4.5 Today's propsed amendments to the measured efficiency or measured use of "Microwave/Conventional Range." water heatertest procedure include: Revisions to make the water heater test
a covered product, DOE is required to These two sections have been replaced Revisions to make the water heater test amend the applicable energy with a new section 4.3 "Combined procedure applicable to electric and oilconservation standard accordingly. In Components" in this proposed rule. irensataes wate e determining the amended energy (3) Clotheswashers. coverage for testing storage-type water conservation standard, DOE is required (a) Revision of subpart B, § 430.22 to heaters with rated storage capacities less to measure the energy efficiency or include test procedure changes and to than 20 gallons (76 liters): revision of energy use of a representative sample of revise the number ofrepresentative the first hour rating for storage-type covered products that minimally average-use cycles per year. water heaters; amendment to the extant comply with the existing standard. The (b) Revision of subpart B,appendix J. definition for heat pump water heater; average efficiency of these 1.General test procedure clarification and addition of new definitions for heat representative samples, tested using the which includes the following: pump water heater storage tank, add-on ended estpredue s es th * Add new definitions for the heat pump water heater, integral heat amended standard. EPCA, section following terms: thermostatically pump water heater, and solar water 323(e) (2). controlled valves, agitator, top-loader- heater. vertical-axis clothes washer, and top- The Department does not believe any B. Background loader-horizontal-axis clothes washer. ofthese changes would alter the energy

Today's notice proposes to modify the * Delete the requirement to conservation standards for water heaters test procedures for water heaters; disconnect all lighting systems which currently in place, and requests kitchen ranges, ovens, and microwave consume more than 10 watts during the comments on the impact ofthese
ovens; and clothes washers as follows: clothes washer test cycle. changes, ifany. In addition, DOE (1)Water heaters. * Introduce a new section, section requests comments on the adequateness (a) Revision ofsubpart B,appendix E. 2.11 "Agitation and Spin Speed ofthe test procedure for heat pump 1. Modify the test procedures to Settings." water heaters regarding the use of address electric and oil-fired a Delete reference to AHAM and backup electric resistance element(s). To instantaneous water heaters. AHAM procedures. the Department's knowledge, most heat

2. Include testing ofstorage-type * Clarify the procedure for capacity pump water heaters are capable of water heaters having rated storage testing. meeting the current test draw capacities less than 20 gallons (76 * 

### Clarify the requirements for requirements, and therefore, the backup liters). "maximum fill" testing. electric resistance element(s) are often

3. Revise the method used to calculate 2. Incorporation of test procedure unnecessary, and are seldom activated. the first hour rating ofstorage-type changes from approved Waivers to However, the current test setup and water heaters. address the following issues: parameters may not represent operating

4. Amend the extant definition for * 

### Add new definitions for the conditions requiring backup electric heat pump water heater, and add new following terms: nonwater-heating resistance elements to activate. This is definitions for heat pump water heater clothes washers and water-heating dependent on a number offactors, i.e., storage tank, add-on heat pump water clothes washers. temperature settings, draw volume and heater, integral heat pump water heater, * Extend coverage for washers that rate, etc. Therefore, DOE is interested in and solar water heater. operate at 120/208Y and 120/240 volts. receiving comments on the test 

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 

## 15331

procedure is not required ifDOE determines by rule that one cannot be developed. EPCA, section 323(d)(l). One hundred and eighty days aftera test procedure for a product is adopted, no manufacturer may make representations with respect to energy use, energy efficiency or water use ofsuch product,
or the cost ofenergy consumed by such product, except as reflected in tests conducted according to the DOE procedure. EPCA, section 323(c)(2). Test procedures appear at 10 CFR part 430, subpart B.

However, the 180-day period referred to in section 323(c) (2) may be extended for a period ofup to an additional 180 days ifthe Secretary determines that the requirements of section 323(c)(2) would impose undue burden. EPCA, section 323(c)(3).

Section 323(e).ofthe Act requires DOE to determine to what extent, ifany, a proposed test procedure would alter the measured energy efficiency! measured energy use or measured water
use ofany covered product as determined underthe existing test procedure. IfDOE determines that an amended test procedure would alter the measured efficiency or measured use of
a covered product, DOE is required to amend the applicable energy conservation standard accordingly. In determining the amended energy conservation standard, DOE is required to measure the energy efficiency or energy use ofa representative sample of covered products that minimally complywith the eXisting standard. The average efficiency ofthese representative samples, tested using the amended test procedure, constitutes the amended standard. EPCA, section 323(e)(2). 

### B. Background

Today's notice**propo~es** 

### to modify the test procedures for water heaters; kitchen ranges. ovens. and microwave ovens; and clothes washers as follows:

(1) Water heaters.

. (a) Revision ofsubpart B. appendix E. 1. Modify the test procedures to address electric and oil-fired instantaneous water heaters.

2. Include testing ofstorage-type water heaters having rated storage capacities less than 20 gallons (76 liters).

3. Revise the method used to calculate the first hour rating of storage-type water heaters.

4. Amend the extant definition for heat pump water heater. and add new definitions for heat pump waterheater storage tank. add-on heat pumpwater heater. integral heat pumpwater heater. and solarwater heater. (2) Kitchen ranges. ovens; and microwaves.

.

(a) Revision ofsubpart B. section 430.22 to include test procedure changes.

(b) 

### Revision ofsubpart B. appendix I. 1. Revise the annual useful energy outputto reflect changes inthe annual usage ofranges. ovens. cooktops. and microwave ovens.

2. Add definition for "IEC 705." 3. Eliminate the requirement to use a standard continuous flow calorimeter.

4. Incorporate byreference the International Electrotechnical Commission Publication 705 Amendment 2-1993. section 4. Paragraphs 12-14.

5. Include the clock energy in the calculation ofannual energy consumption for microwave ovens.

6. Revise section 2.8 "Test Beakers" replace with new section 2.8 "Microwave Oven Test Load."

7. Revise section**2~9.3.4** 

### "Microwave Oven andTest Load Temperature." replace with new section 2.9.3.4 "Test Load Temperature."

8. Eliminate section 4.3 "Conventional Range." and section 4.5 "Microwave/Conventional Range." These two sections have been replaced with a new section 4.3 "Combined Components" in this proposed rule.

(3) Clothes washers. (a) Revision ofsubpart B. § 

### 430.22 to include test procedure changes and to revise the number ofrepresentative average-use cycles peryear.

(b) 

### Revision of subpart B. appendix

## J. 1. General test procedure clarification which includes the following:

• Add new definitions for the following terms: thermostatically controlled valves. agitator. top-loadervertical-axis clothes washer. and toploader-horizontal-axis clothes washer.

• Delete the requirement to disconnect all lighting systems which
consume more than 10 watts during the clothes washer test cycle.

• Introduce a new section. section 2.11 "Agitation and Spin Speed Settings."

.

• Delete reference to AHAM and AHAM procedures.

• Clarify the procedure for capacity testing.

• Clarify the requirements for "maximum fill" testing.

2. Incorporation oftest procedure changes from approved Waivers to address the following issues:

• Add new definitions for the following terms: nonwater-heating clothes washers and water-heating clothes washers.

• Extend coverage for washers that operate at 120/208Y and 120/240 volts. • Extend testing and performance coverage to water-heating clothes washers.

• Extend coverage for clothes washers that have infinite/variable temperature selection capabiUty.

3. Addition ofoptional water consumption and extraction procedures which includethe following:

• Add new definitions for the following terms: modified energy factor. moisture removal energy and water consumption factor.

• Add optional test procedures to determine the above values.

(4) Addition to subpart F. § 

### 430.62. to add reporting requirements for energy factors for clothes washers. clothes dryers. and dishwashers.

In addition. metric units of measurements have been included in the three test procedures· (English values
are given followed by their appropriate International System ofUnits in parentheses)

. II. Discussion A. WaterHeater 

### Test**Proc~ure**



### Today's proposed amendments to the water heatertest procedure include: Revisions to make the water heatertest procedure applicable to electric and oilfired instantaneous water heaters; coverage for testing storage-type water heaters with rated storage capacities less than 20 gallons (76 liters); revision of the first hourrating for storage-type water heaters; amendment to the extant definition for heat pump water heater; and addition ofnew definitions for heat pump water heater storage tank. add-on heat pumpwater heater. integral heat pump water heater. and solar water heater.

The Department does not believe any ofthese changes would alter the energy conservation standards for water heaters currently in place. and requests comments on the impact ofthese changes. ifany. In addition. DOE requests comments on the adequateness ofthe test procedure for heat pump water heaters regarding the use of backup electric resistance element(s). To the Department's knowledge. most heat pump waterheaters are capable of meeting the currenttest draw requirements. and therefore. the backup electric resistance element(s) are often unnecessary. and are seldom activated. However. the current test setup and parameters may not represent operating conditions requiring backup electric resistance elements to activate. This is dependent on a number offactors. i.e.. 

### temperature settings. draw volume and rate. etc. Therefore. DOE is· interested in receiving comments on the test

### 15332 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

procedure for heat pump water heaters having rated storage capacities less than a result, the Department has been regarding the use ofbackup electric 20 gallons (76 liters), the Department conducting a continuous effort to resistance element(s). proposes to include the applicable draw improve the first hour rating method in

Concurrently, the Department is schedule accepted bythe water heater rulemakings for water heaters. However, conducting a rulemaking, independent industry. (See American National the concept ofwhat the first hour rating of today's notice, to propose revised Standards Institute/American Society of should represent (i.e., a balance between minimum energy conservation Heating, Refrigerating and Air- storage capacity, recovery rate, and standards for eight consumer products, Conditioning Engineers (ASHRAE) mixing characteristics) and how to including water heaters. (59 FR 10464, Standard 118.2-1993: Method ofTesting measure it accurately has proven to be March 4, 1994). for Rated Residential Water Heaters.) a difficult task. Each attempt at

1. Electric and Oil-Fired Instantaneous The total volume withdrawn shall be 24 establishing a first hour rating test has Water Heaters gallons (91 liters) for units having rated led to difficulties (repeatability problemstorage capacities greater than or equal with the 1989 proposal (54 FR 1890, The current test procedure does not to 10 gallons (38 liters), but less than 20 January 17, 1989), and a low estimate of address testing of electric and oil-fired gallons (76 liters). The total volume hot water availability for certain water instantaneous water heaters in that they withdrawn shall be 9 gallons (34 liters) heaters by the 1990 final rule. (55 FR are not defined in the test procedure. for units having rated storage capacities 42162, October 17, 1990).) For example, The Department, therefore, proposes to less than 10 gallons (38liters). The draw in a October 15; 1991, letter from GAMA include definitions for these two types rate shall be 1.0±0.25 gallons per minute to DOE, GAMA stated that "Gas of instantaneous water heaters, and to (3.8±0.95 liters per minute) for all units Appliance Manufacturers Association amend the existing language to include having rated storage capacities less than members have results establishing first the testing ofthem. Definitions for 20 gallons (76 liters). The Department hour ratings in the range of 70 to 75 storage-type water heaters are also requests comments and data regarding gallons for 120 gallon models. The modified to differentiate these types any impact on a manufacturer(s) as a calculated first hour rating is from the instantaneous-type water result ofextending coverage ofthe significantly less than the amount of heaters. As a result, oil-fired and electric existing minimum energy efficiency water drawn during the first draw." instantaneous water heaters will be standards to storage-type water heaters This problem with the October 17, 1990, subject to the applicable minimum of less than 20 gallons (76 liters). See current test method is most evident for energy conservation standards of0.59- appendix E to subpart B ofTitle 10 CFR large tanks with one heating element (0.0019 x rated storage volume in part 430, sections 1.11, 5.1.4.1, and because of the greater weighing given by gallons) for oil-fired water heaters and 5.1.5.
, I the test procedure to recovery rate 0.93-(0.00132 x rated storage volume in relative to storage volume. gallons) for electric water heaters, 3. First Hour Rating for Storage-typeTo correct the problem of respectively. For electric and oil fired Water Heaters understating hotwater production cited instantaneous water heaters, the rated Water heaters have historically been by GAMA, the Department requested storage volume may be zero. In today's selected based on rated storage volume. NIST to evaluate a proposal proposed notice, the Department The rate at which the water heater recommended by GAMA in its October requests comments and data regarding produces hot water, and whether the 15, 1991, letter to DOE. GAMA's the appropriateness ofadding electric water heater uses a lone or multiple heat recommendation would prorate the final :and oil-fired instantaneous water source, however, is also important when draw ofthe 1990 first hour rating test heaters to the test procedure and selecting awater heater. For example, a with respect to a ratio ofelapsed times. subjecting them to the respective energy smaller electric water heater having two NIST summarized the advantages and conservation standards. See appendix E 4.5-kilowatt elements may provide more disadvantages ofGAMA's to subpart B ofTitle 10 CFR part 430, hot water overa given time interval than recommendation. The major advantages sections 1.8 and 5.2. a larger electric water heater having a are: The first hour rating would always Hi- „,„ ,single 3.8-kilowatt element. The first be greater than or equal to the first draw 2. Storage-type Water Heaters Having hour rating seeks to account for the volume and retesting for FTC labeling Rated Storage Capacities Less Than 20 effect of storage capacity, heating rate, may be unnecessary ifthe needed Gallons (76 liters) and the number of heat sources on the additional data was collected. The major

In a letterto the Department, dated water heater's ability to provide hot disadvantages are: The rating would July 17, 1991, the Gas Appliance water. Ideally, the consumer will use represent a volume ofhot water that is Manufacturer Association (GAMA) first hour rating to initially identify greater than or equal to the maximum stated that storage-type water heaters water heaters that will meet their hot volume of hot water that can be having capacities less than 20 gallons water supply needs. Once the field has delivered in an hour (overstating), and (76 liters) are covered by the National been narrowed based on this need, the it may not differentiate single-element Appliance Energy Conservation Act of consumer will then use energy factor, from two-element electric water heaters 1987. The current test procedure does annual operating cost, first cost, (recovery capabilities unrecognized). not cover storage-type water heaters warranty information, reputation of The Department, therefore, concludes having rated storage capacities less than manufacturer, etc., indetermining that the disadvantages of GAMA's 20 gallons (76 liters) and, therefore, which water heater to select. recommendation outweigh the those water heaters are not subject to the The first hourrating is not used in advantages and rejects this proposal. minimum efficiency standards. In order computing the efficiency (i.e., energy The Department requested NIST to to correct this, GAMA requested that the factor) ofwater heaters, but is used by conduct a second study to correct the test procedure be revised. DOE proposes the Federal Trade Commission for problem of understating hot water to provide coverage for storage-type presenting size ranges in the labeling production. NIST recommended that a water heaters of less than 20 gallons (76 program for water heaters. It was hoped revised version ofthe 1989 test method liters).

- that this measure would gain be proposed. NIST stated its

With regard to conducting the 24-hour recognition as a sizing criterion for recommendation will correct the simulated use test on water heaters consumers in selecting water heaters. As understating problem cited by GAMA in 

### 15332 Federal Register / 

### Vol, 60, No. 56 / Thursday, March 23, 1995 I 

### Proposed Rules

procedure for heat pump water heaters regarding the use ofbackup electric resistance element(s).

Concurrently, the Department is 

### conducting a rulemaking, independent oftoday's notice, to propose revised minimum**ene~gy** 

### consetvation standards for eight consumer products, includir:tgwater heaters. (59 FR 10464. March 4.1994). ' 1. Electric and Oil-Fired Instantaneous Water Heaters

The currenttestprocedure does not addresstesting ofelectric andoll-fired instantaneous water heaters in thatthey
are not defined in the test procedure. The Department. therefore. proposesto include definitions for these two types ofinstantaneouswaterheaters. andto amend the existing language to include the testing ofthem. Definitions for storage-type water heatersare,also modified todifferentiate these types from. the instantaneous-type water heaters. As a result. oil-fired and electric instantaneous water heaters willbe subject to tfJe applicable minimum energy consetvation standards of0.59-**(0~0019** x 

### rated storage volume in

. gallons) foroll-fired water heaters and 0.93-(0.00132 x 

### rated storage volume in

.gallons) for electric water heate,rs. respectively•. For electricand oil fired instantaneous water heaters. the rated storage volume may be zero. In today's proposed notice

..the Department requests comments and dataregarding the appropriateness ofadding.electric and oil-fired instantaneouswater heaters to the test procedure and subjecting them to the respective energy consetvation standards. See appendix E to 

### subpart BofTitle 10 CFR part 430.' sections 1.8 and 5.2. 2. Storage-type Water Heaters Having Rated Storage Capacities Less Than 20 Gallons (76 liters)

In a letterto the Department. dated July 17. 1991. the Gas Appliance Manufacturer Associatipn (GAMA) stated that storage-type water heaters having capacities less than 20 gallons (76 liters) are covered by the National Appliance Energy Consetvation Act of 1987. The currenttest procedure does not cover storage-type water heaters having rated storage capacities less than 20 gallons (76 liters) and. ,therefore, those water heaters are not subject to the minimum efficiency standards. In order to correct this. GAMA requested thatthe test procedure be revised. DOE proposes to provide coverage for storage-type water heaters ofless than 20 gallons (76 liters).

. I



### . With regard to**condu~ing** 

### the 24-hour simulated use test onwater heaters having rated storage capacities less than . a result. the Departmenthas been 20 gallons (76 liters). the Department conducting

## a continuous effort to proposes to 

### include the applicable draw improve the first hourrating method in schedule accepted by the water heater rulemakings for water heaters. However; indusuy. (See American National the concept ofwhatthe first hourrating StandardsInstitute! American Society of shouldrepresent (i.e.• a balance between Heating, Refrigeratirlgand Air- storage capacity. recoveryrate. and Conditioning Engineers (ASHRAE) mixing characteristics) and how to Standard 118.2-1993: Method ofTesting

. measure it accurately has 

### provento be

, for Rated Residential Water Heaters.}. 

# a difficult taSk. ,Each attemptat

. Thelotal volume withdrawn shall be 24 establishing a first hourrating test has gallons (91 liters} for units I)aving rated led to diffic41ties (repeatability problem' storage capacities greater than orequal with the 1989 proposal (54 FR 1890. to 10 gallons (38 liters). but less than 

### 20**J~muaJY** 

### 17. 1989). and a low estimate of gallons (76 liters). The total volume hotwater availability for certain water withdrawn shall be 9 gallons (34 liters) heaters by the 1990 finid**rule~** 

### (55 FR for units having rated storage capacities 42162. October 17. 1990).} For example. less than 10 gallons (38 liters).Thedraw in a October 15; 1991. letter from GAMA rate shall be 1.0±0.25 gallons perminute to DOE. GAMA statedthat "Gas (3.8±0.95 liters per minute) for all units Appliance Manufacturers Association having rated storage capacities less than members have results establishing first 20 gallons (76 liters}. The Department hourratings inthe range of70to 75 requests comments and data regarding gallons for 120 gallon models.The any impact onamanufacturer(s} as a calCulated first**ho~** 

### rating is result ofextending coverageafthe significantly less than the amount of existing minimum energy efficiency water drawn during the first draw." standards to storage-type water heaters

.This problem with the Qctober 17. 1990. of

### less thaI) 20 gallons (76 liters). See currenttest method is most eVident for' appendixE to subpart B ofTitle 10 CFR large tanks with one heating element part 

### 430. sections 1.11. 5.1.4.1. and because ofthe greater weighing given by 5.1.5.
. , the test procedureto recoveryrate

.**rel~tive** 

### to storage volume. 3. FirstHourRating for Storage-type To correct the problem of
,

.Water Heaters understating hotwaterproduction cited Water heaters have historically been by GAMA. theDepartment requested selected based on rated storage volume. NIST to evaluate a proposal The rate at which the water heater recommended by GAMA inits October produces hot'water. andwhetherthe

. 15. 1991. letterto DOE. GAMA's water**h~ter** 

### uses a lone or multiple heat recommendationwould prorate the final source, however. is also**i~portant** 

### when draw ofthe 1990 first hourrating test. selecting a water heater. For example, a with respect to a ratio ofelapsed times. smaller electriC**wat~** 

### heater having two NIST summarized the advantages and 4.5-kilowatt elementsmay provide more. disadvantages ofGAMA's hot waterovera given time intetval than recommendation. The rrtajor advantages'
a larger electricwaterheater having a are: the first hourrating would always single 3.8-kilowattelement. The first be greater than or equal, to the first draw hour rating seeks to account for the· volume andretesting for FTC labeling effect ofstorage capacity. heating rate. may be unnecessary ifthe needed and the numberofheat sources on the additional datawas collected. The major water heater's ability

# to provide hot. disadvantages

# are: The rating would. water. Ideally,'the consumerwill use represent a volume ofhot water that is first hour rating toinitiallyidentify greater than or equal to 

### the maximum water heaters thatwillmeettheir hot volume ofhotwaterthat can be

.water supply needs. Once the field has delivered in an hour (overstating). and been narrowed based on this need. the it 

### may not differentiate single-element
consumerwill then use energy factor. from two-element electric water heaters annual**~perating** 

### cost. firSt cost. (recovery capabilities unrecognized). warranty information. reputation of The Department. 'therefore. concludes manufacturer. etc

.. in determining that the disadvantages ofGAMA's which waterheater to select.' recommendationoutweigh the

The first hourrating is not used in**advan~es** 

### and rejects this proposal. computing the efficiency.(te.• energy TheDepartmentrequested NIST to factor). ofwater heaters

..but is used by conduct a second studyto correct the the Federal Trade Commission for problem ofunderstating hotwater' presenting**siz~** 

### ranges inthe labeling

. production. NIST recommended that a' program for water**h~ters.** 

### It was hoped revised version ofthe 1989 test method that this measure.would gain

. be proposed. NIST stated its recognition as aSizing.criterionfor recommendation will correct the

_ consumers in selectingwater heaters. As 

### understating problem cited by.GAMA in t

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15333

the October 15, 1991, letter, and in DOE is not employing a temperature element thermostat or compressor addition, will minimize the ratio correction to handle mixing effects. thermostat is heated to 135 + 5°F (57.2 aforementioned repeatability problem. The Department requests comments and ± 2.8°C) when cut-off occurs. The The Department concurs and today data concerning the appropriateness of Department requests comments and data proposes a revised first hour rating today's proposal relative to thermally on the appropriateness and workability method for storage tank-type (including compensating dip tubes, internal mixing of the proposed changes to the test heat pump) water heaters. Section 5.1.4. valves,'or any other mechanism used to method for heat pump water heaters Included in the proposed first hour increase the amount of mixing of stored that use supplemental resistive heating. rating are: Revisions to the test method hot water and make-up water during a See appendix E to subpart B ofTitle 10 for storage tank-type water heaters, hot draw. CFR part 430, section 5.1.4.2. and cold water mixing characteristics, The Department also notes that with and the criterion for initiating a multiple draw first hour rating test, 4 Definitions for Heat Pump Water successive draws when conducting a like the one proposed today, a Heater first hour rating test on heat pump water temperature ratio can be used to Heaters, Integral Heat Pump Water heaters that use supplemental resistive compensate for the effect ofthe test Heaters, Solar Water Heaters and Heat heating. tolerances allowed for the thermostat Pump Water Heater Storage Tanks

In regard to storage tank-type water setting(s) 1±5°F (±2,80C)], and forthe The Department proposes to amend heaters, for draws initiated prior to one make-up water temperature [±20

### F the extant definition for heat pump hour (as a result ofa thermostat cut-out), (±1.1°C)|. These test tolerances affect the water heaters (section 1.11.3); add the maximum outlet temperature shall time required for the water heater to definitions ofintegral heat pump water be determined for each draw and used recover from a hot water draw. For heater (section 1.11.3.a), add-on heat for determining when to terminate that example, recovery time is quickest ifthe pump water heaters (section 1.11.3.b), draw, i.e., at T*=,

- 25°F, where i tank thermostat(s) is get to 130°F and solar water heaters (section 1.11.5) corresponds to the draw number. If a (54.4°C), and the make-up water is set to differentiate these types ofwater recovery is still in progress at one hour, at 60°F (15.6°C). Recovery time is heaters; and add definition ofa heat the draw imposed to remove any stored slowest for settings at 140°F (60°C) and pump water heater storage tank, i.e., the ' "hot" water shall be terminated based 56°F (13.3°C). To avoid the potential tank to be used with an add-on heat
on the cut-off temperature used for the complication and confusion that would pump water heater (section 1.6). previous draw (T* -1

- 25°F). In result from an additional temperature B KitchenRanges Ovensand addition, for draws imposed at one ratio correction, however, a test Microwave Ovens TestProcedures hour, the first hour rating shall be the tolerance correction is not included in
sum of: All the withdrawn volumes and today's proposal. The Department The test procedures for kitchen the final withdrawn volume, where the recognizes that an incentive exists to ranges, ovens and microwave ovens final withdrawn volume is multiplied conduct the first hour rating test with have remained substantially unchanged by the following temperature ratio: the tank thermostat set at or near 130°F since the final rule was published in the (T*dl.,nT**ini -1

### ) /(T*d.n- 1 

### (54.4°C), and with the make-up water at Federal Register on May 10, 1978 (43 -T*iD, - I). The subscripts n and n-1 or near 60°F (15.6°C). FR 20120). It was amended on April 13,
are used to indicate the final draw and Preliminary studies conducted by 1979, by prescribing that natural gas or the next-to-last draw, respectively, NIST estimate today's proposed test propane would be the test gas used with while T*n, 1 

### I designates the water method is successful in minimizing the gas ranges and ovens (44 FR 22418). temperature at which the next-to-last repeatability problem to within ± 5 Today's proposed amendment will draw was terminated (T*min, -1 = 

### percent relative to the 1989 proposal. change the annual useful cooking T*,,

- 1

- 250F). For all other draw The Department today requests energy output for kitchen ranges, ovens 

### volumes, no temperature ratio comments and data concerning this and microwave ovens to make it adjustment factor shall be used. repeatability issue. representative of current United States

The Department notes that a In addition, the Department proposes cooking product usage. In addition, the temperature ratio can and has been used to modify the existing first hour rating proposed test procedure will no longer in the past to compensate for the definition so that it differentiates contain annual energy consumption amount ofmixing that occurs between between storage and instantaneous calculations for ranges (cooktop and the stored hot water and the entering water heaters. Section 1.5. oven combined), or other combined make-up water during a draw. The In regard to heat pump water heaters appliances (multiple conventional greater the volume of make-up water that use supplemental resistive heating, ovens, microwave and conventional mixed into the outlet stream (while still a draw is currently initiated only after range combined). The Department is maintaining an outlet temperature above all power to the water heater has been proposing to calculate the annual energy the criterion of "hot" water), the greater reduced, which corresponds to the case consumption of combined appliances as the first hour rating. The amount of where the compressor has cycled off the sum ofthe annual energy mixing is typically small and repeatable and any resistive heating has ceased. consumption ofeach individual for designs that introduce make-up The Department today proposes a component of the unit. Section 4.3. The water near the bottom ofthe tank. revision to the criterion used to initiate Department is proposing to incorporate However, if awater heater uses a successive draws so that credit is given by reference the International thermally compensating dip tube (first ifthis type ofwater heater provides a Electrotechnical Commission (IEC), discussed in the February 8, 1984, partial recovery. The proposed revision Publication 705, and Amendment 2- Proposed Rulemaking, 49 FR 4870), or would require a draw to be initiated 1993, "Methods for Measuring the
an internal mixing valve, substantial after the thermostat controlling the Performance ofMicrowave Ovens for mixing, and thus, a higher and upper or lone resistive element, or the Household and Similar Purposes," unrealistic first hour rating could occur. compressor is satisfied, whichever Section 4, Paragraph 12 "Microwave At present, DOE is not aware ofany occurs first. However, this criterion Power Output Measurement," Paragraph currently manufactured water heaters shall be applicable only if the water 13 "Electrical Power Output which contain these features. Therefore, located vertically above the resistive Measurement," and Paragraph 14 

### Federal Register / 

### Vol. 60, 

### No. 56 / 

### Thursday, March 23, 1995 / 

### Proposed Rules 

## 15333

the October IS, 1991. letter, and in addition, will minimize the aforementioned repeatability problem. The Department concurs and today proposes a revised first hour.rating method for storage tank-type (including heat pump) water heaters. Section 5.1.4. Included in the proposed first hour rating are: Revisions to the test method for storage tank-type water heaters, hot and cold water mixing characteristics, and the criterion for initiating successive draws when conducting a first hourrating test on heat pumpwater heaters that use supplemental resistive heating.
,

In regard to storage tank-type water heaters, for draws initiated priorto one hour (as a result ofa thermostat cut-out), the maximum outlet temperature shall be determined for each draw and used for determining when to terminate that draw, i.e., atT*1IUIJl,i

- 

### 25°F, where i corresponds to the draw number. If

### a recovery is still in progress at one hour, the draw imposed to remove any stored "hot" water shall be terminated based
on the cut-offtemperature used for the previous draw (I'*max.n-l -2S°F). In addition,.fordraws imposed at one hour, the first hour rating shall be the
sum of: All the withdrawnvolumes and the final withdrawn volume, where the final withdrawn volume is multiplied by the following temperature ratio: (1'*del.D

- T*miD.D-I) /(T*del.D-I

- T*miD.D-l). The subscripts nand n-l
are used to indicate the final draw and the next-to-last draw. respectively.

, While T*miD.n-l designates the water

temperature at which the next-to-last draw was terminated (T*min,n

- 1 = 

### T*1IUIJl,D-I -2S°F). For all other draw volumes, 'no temperature ratio adjustment factor shall be used.

The Department notes that a temperature ratio can and has been used in the past to compensate for the amount ofmixing that occurs between the stored hotwater and the entering make-up water during a draw. The greater the volume ofmake-up water mixed into the outlet stream (while still maintaining an outlet temperature above the criterion of "hot" water), the greater the first hour rating. The amount of mixing is typically small and repeatable for designs that introduce make-up water near the bottom ofthe tank. However, ifa water heater uses a thermally compensating dip tube (first discussed in the February 8, 1984, Proposed Rulemaking, 49 FR 4870). or an internal mixing valve, substantial mixing,and thus, a higher and unrealistic first hour rating could occur. At present, DOE is not aware ofany currently manufactured water heaters which contain these features. Therefore, DOE is not employing a temperature ratio correction to handle mixing effects. The Department requests comments and data concerning the appropriateness of today's proposal relative to thermally compensating dip tubes,internal mixing valves,'or any other mechanism used to increase the amount ofmixing ofstored hot water and**make~up** 

### water during a draw.

The Department also notes that with
a multiple draw first hourrating test, like the one proposed today, a temperature ratio can be used to compensate for the effect ofthe test tolerances allowed for the thermostat setting(s) 1±5°F (±2.8°C)], and for the make-up water temperature 1±2°F
, (±l.l0C)]. These test tolerances affect the time required for the water heater to
recover from a hot water draw. For example, recovery time is quickest ifthe tank thermostat(s) is setto 130°F (S4.4°C), and the make-up water is set at SO°F (IS.S°C). Recovery time is slowest for settings at 140°F (SO°C) and SsoF (13.3°C). To avoid the potential complication and confusion that,would**re~ult** 

### from an additional temperature ratio correction, however, a test tolerance correction is not included in today's proposal. The Department recognizes that an incentive exists to conduct the first hour rating test with the tank thermostat set at or near 130°F (54.4°C), and with the make-up water at
or near SO°F (IS.S°C).-

Preliminary studies conducted by NIST estimate today's proposed test method is successful in minimizing the repeatability problem to within ± S percent relative to the 1989 proposal. The Department today requests comments and data concerning this repeatability issue.

In addition, the Department proposes to modify the existing first hourrating definition so that it differentiates between storage and instantaneous,

.water heaters. Section I.S. In regard to heat pump water heaters that use supplemental resistive heating,
a draw is currently initiated onlyafter all power to the water heater has been reduced, which corresponds to the case where the compresSor has cycled off and any resistive heating has ceased. The Department today proposes a revision to the criterion used to initiate successive draws so that credit is.given ifthis type.ofwater heater provides a partial recovery. The proposed revision would require a draw to be inltiated after the thermostat controlling the upper or lone resistive element, or the compressor is satisfied, whichever
occurs first. However, this criterion shall be applicable only ifthe water located vertically above the resistive elementthermostat or compressor thermostat is heated to 13S ± SOF (57.2
± 2.8°C) when cut-offoccurs. The Departmentrequests comments and data
on the appropriateness and workability ofthe proposed changes to the test method for heat pumpwater heaters that use supplemental resistive heating. See appendix E to subpart B ofTitle 10**CF~** 

### part 430, section 5.1.4.2. 4. Definitions for Heat Pump Water Heaters, Add-on Heat Pump Water Heaters, Integral Heat Pump Water Heaters, SolarWater Heaters, and Heat Pump Water Heater Storage Tanks

. The Department proposes to amend the extant defUlltion for heat pump water heaters (section 1.11.3); add definitions ofintegral heat pump water heater (section 1.11.3.a), add-on heat

. pump water heaters (section 1.11.3.b), and solarwater heaters (section 1.11.S) to differentiate these types ofwater heaters; and add definition ofa heat pumpwater heater storage tank, i.e., the' tank to be used with an add-on heat pump water heater (section I.S).
B. Kitchen Ranges. Ovens and Microwave Ovens TestProcedures

The test procedures for kitchen ranges, ovens and microwave ovens have remained substantially unchanged since thefinal rule was published in the Federal Register on May 10, 1978 (43 FR 20120). It was amended on April 13, 1979. by prescribing that natural gas or propane would be the test gas used with gas ranges and ovens (44 FR 22418).

Today's proposed amendmentwill change the annual useful cooking energy output for kitchen ranges, ovens and microwave ovens to make it representative ofcurrent United States cooking product usage. In addition. the proposed test procedure will no longer contain annual energy cons1,lmption calculations for rariges (cooktop and
oven combined). or other combined appliances (multiple 'conventional
ovens. microwave and conventional range combined). The Department is proposing to calculate the annual energy consumption ofcombined appliances as the sum ofthe annual energy consumption ofeach individual component ofthe unit. Section 4.3. The Department is proposing toincorporate by reference the International Electrotechnical Commission (1EC). Publication 70S, and Amendment 2- 1993, "Methods for Measuring the Performance ofMicrowave Ovens for Household and Similar Purposes," Section 4, Paragraph 12 "Microwave Bower Output Measurement," Paragraph 13 "Electrical Power Output Measurement," and Paragraph 14

### 15334 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

"Efficiency." DOE has not proposed test for Consumer Products, Volume 2, Volume 2, November 1993, DOE/EEprocedures for grill and griddle cook November 1993, DOE/EE-0009, Vol. 2 0009, Vol. 2 of 3, pp. 1-49. After tops; the Department would consider of 3. reviewing several utility studies and adding test procedures for these Mrwa comments, DOE is proposing to change products ifsuch exist

. icrowave vensthe annual useful cooking energy 4 

### from 1., nwove~~nsThe proposed changes to the 34.2 kWh (123 M) peryear to 77.3 kWh .microwave oven test procedures are in (278.3 M) per year. This revision to the Today's proposed revision to the oven response to a petition for rulemaking annual useful cooking energy reflects test procedures lowers the constant for from the Association ofHome current U.S. microwave cooking usage. annual useful cooking energy2 to make Appliance Manufacturers (AHAM) to This will change the value ofOm in the it representative ofcurrent United States use the International Electrotechnical test procedure to 77.3 kWh/yr 1143.2 cooking trends. This quantity is being Commission standard as the DOE test kWh/yr x 0.54 =77.3 kWh/yrl (278.3 changed for electric to 35.5 kWh (105.5 procedure. The current DOE test MJ/yr). (See appendix I to subpartB of MJ) per year from 47.09 kWh (169.5 MJ) procedure is based on a 1975 version of title 10 CFR part 430, "Uniform Test per year; forgas, to 124,200 BTU the International ElectrotechnicalMethod for Measuring the Energy (131,038 kJ) per year from 160,700 BTU Commission standard. The Association Consumption ofConventional Ranges (169,547 kJ) per year. Sections 4.1.2.1.1, of Home Appliance Manufacturers cited Conventional Cooking Tops, 4.1.2.1.2, and 4.1.4. Lawrence Berkeley the following deficiencies with the DOE Conventional Ovens and Microwave Laboratory of Berkeley, California test procedure: Ovens," sections 4.4.3 and 4.4.5). calculated this constant from several (1)Errors caused by evaporative Lawrence Berkeley Laboratory of utility studies. These results are cooling ofthe water and heat absorption erkele California calculated this presented in the Technical Support of the water containers during the constant from an average of six utility Document: Energy Efficiency Standards heating period, andstudies Th stdis in for Consumer Products, Volume 2, (2)Errors caused by the constantly uawrence Berkeley Lab November 1993, DOE/EE-0009, Vol. 2 changing sodium chloride concentration L aw 

### r en c

### e Daforkhe Reb tial and of 3. due to sodium chloride precipitating out eln aesidential

In addition, the Department proposes of solution.t ofa Residetial to eliminate the requirement to use a The International Electrotechnical Forecasting Database," LBL 33717, May standard continuous flow calorimeter Commission issued Publication 705 1994; American Electric Power, Utl for gas cooking products because of the and Amendment 2-1993 entitled Estimates ofHousehold Appliance difficulty oflocating this product. The "Method for Measuring the Performance Electricity Consumption," 1992; instrument to be substituted for the of Microwave Ovens for Household and outhern CalforniaEdison, standard continuous flow calorimeter is Similar Purposes" in 1993. The "Residential Appliance End-Use left to the discretion ofthe Department asked the National Institute Survey," 1990 and 1991; Electric Power manufacturer; although, it is required of Standards and Technology to perform Research Institute, "Residential End-Use that the heating value ofnatural or tests using the 1993 International Energy Consumption: A Survey of propane gas shall be measured with an Electrotechnical Commission testonditional Demand Estimates," CUinstrument and associated indicator procedure. The National Institute of 6487, October 1989; and the Sierra readout device ofa maximum error no Standards and Technology found the Pacific Power Company, "Integrating greater than ±.5 percent ofthe measured test procedure to be acceptable for EIP and HESS Information for value and a resolution of±.2 percent or determining power output and Estimating End-Use Energies," March less ofthe full scale reading of the efficiency, and recommended that the 1988. The microwave oven annual indictor instrument. Section 2.9.4. Department ofEnergy incorporate by energy consumption proposed in reference the International today's notice also includes the energy 2. Cook Tops Electrotechnical Commission 705 used by the clock thus, eliminating the

The proposed revision to the cook top Amendment 2-1993 testprocedure for necessity to disable the clock during test test procedures changes the constant for these purposes. In computing energy setup. annual useful cooking energy 3to make consumption, the International C. Clothes WasherTest Procedure it representative of current United States Electrotechnical Commission 705 cooking trends. This quantity is being Amendment 2-1993 uses a watt meter The Department published the clothes lowered for electric to 209 kWh (752.4 and timer, ignoring transients, to obtain washer test on eptemer 28, Mi) per year from 277.7 kWh (1000 Mi) measurements from which energy 1977, (42 FR 49802) and subsequently per year; for gas, to 732,500 BTU consumption can be calculated. The on June 29, 1979, (44 FR 37938) (772,800 kJ) per year from 947,500 BTU Department believes that because of editorial changes were made. On (999,600 kj)per year. Lawrence start-up transients, the use ofa watt- December 22, 1993, (58 FR 67710) the Berkeley Laboratory of Berkeley, hour meter is more accurate; therefore, Department published a proposed California calculated this constant from today's notice includes the use ofa amendment to the clothes washer test several utility studies. These results are watt-hour meter, which is not found in procedure to address washers which presented in the Technical Support the EC 1993 test proedure,to obtain offer a warm rinse lock-out feature. the IEC 1993wtest prockedure.,to obtain' Document: Energy Efficiency Standards energy consumption.Today's proposed amendments tothe -_The annual useful cooking energy in clothes washer test procedure will 2

### The annualuseful cooking energy isenergy the extant test procedure is 34.2 kWh inputto an oven whichis transferred to the product 

### (123 Ml) per basrd 

### o 1976 data The annual useful cooking energy isenergy being cooked and is a constant used to find the ( peyar 

### e n

. input to an oven which istransferred to the product annual energy consumption and the energy factor. In the Eight Product rulemaking (59 FR being cooked and is a constant used to find the The annual energy consumption is calculated by 10464, March 4, 1994), DOE used an annual energy consumption and the energy factor. multiplying the constant by the ratio oftest energy annual useful 

### cooking energy of 145.8 The annual energy consumption is calculated by consumption to theenergy used to heat the test kWh per year its analysis Technical multiplying the constant by the ratio oftest energy block. The energy factor is the t constant 

### kWhperyearin tsanalysis. 

### Technical consumption to the energy used toheat the test to the total annual energy consumption Support 

### Document: Energy Efficiency water load. The energy factor isthe ratio ofthe

3See footnote 2, supra. Standards for Consumer Products, constant to the total annual energy consumption. 

## 15334 Federal Register / 

## Vol. 60. No. 56/ Thursday. March 23. 1995 / Proposed Rules

·"EfficienCy." DOE has not proposed test for Consumer Products, Volume·2.
, procedures for grill and griddle cook November 1993. DOElEE-0009. Vol. 2 tops; the Departmentwould consider of 3. adding test procedures for these' 3. Microwave Ovens

..products ifsuch exist. The proposed changes to the .1. Ovens

. . microwave oven test procedures are in Today's proposed revision to the oven response to a petition for rulemaking

. test procedures lowers the constant for from the Association ofHome' annual useful cooking energy2 

### to make Appliance Manufacturers (AHAM) to it representative of**curren~** 

### United States use the International Electrotechnical cooking trends. This quantity isbeing

. Commissionstandard as theDOE test changedfor electric to 35,5 kWh (105.5. procedure. The currentDOE test

. MJ) 

### peryear from 47.09 kWh (169.5 MJ) 

### procedure is based on a 1975 version of peryear; for gas, to 124.200 BTU. the International Electrotechnical

. (131.038 kj) 

### peryear from 160.700 BTU Commission standard. The Association (169.547 kJ) 

### peryear. Sections 4.1.2.1.1. ofHome Appliance Manufacturers cited 4.1.2.1.2, and 4.1.4. Lawrence Berkeley the following deficiencies with the DOE Laboratory ofBerkeley. California test rrocedure:
. , calculated this constant from several (1 Errors caused by evaporative

· utility studies. These results,are •cooling ofthe water and heat absorption presented in the Technical Support ofthe water containers during.the Document: Energy EfficienCy Standards heating period. and'.
. , for Consumer Products. Volume 2. (2) Errors.caused by the constantly November 1993. DOElEE-0009, Vol. 2 changing sodium chloride concentration of 3. due to sodiumchloride precipitating out

In addition. the Departmentproposes ofsolution.

.
·to eliminate the requirement to use a. The International EIectrotechnical standard continuous flow calorimeter Commission issued Publication 705. for gas cooking products because ofthe

.and Amendment 2,..1993 entitled difficulty oflocating this product. Thl[! "Method forMeasuring the Performance instrument to be substituted for the ofMicrowave Ovens for Household and standard continuous flow calorimeter is'

. SimilarPurposes" in 1993. The' left to the discretion ofthe

. . Department asked the National Institute manufacturer; although. it is required ofStandards and Technologyto perform

. that the heating value of natural or tests using the 1993 International

propane gas shall be measuredwith.an

. Electrotechnical Commission test instrument and associated indicator procedure. The National Institute of readout device ofa maximum error no Standards arid Technology found the greater than±.5percent ofthe measured test procedure to be acceptable for value and a resolution of±.2 percent or determining power outputand less ofthe full scale reading ofthe efficiency, ana recommendedthat the.' indictor instrument. Section 2.9.4. Department ofEnergy incorPorate by reference the Intl[!rnational 2. Cook Tops Electrotechnical Commission 705

The proposed revision to .the cook top, Amendment 2-:-1993 testprocedure for test procedures changes the constant for' these purposes. In computing energy annual useful cooking energy3 

### to make consumption, the International. itrepresentative ofcurrent United States Electrotechnical Commission 705 cooking trends. This quantity isbeing Amendment 2-1993 uses a watt meter lowered for electric to 209 kWh (752.4 and timer, ignoring transients. to obtain MJ) peryear from 277.1kWh (1000 MJ) measurements from which energy peryear; for gas, to 732.500 BTU '. ccinsumption canbe calculated. The (772.800 kJ) 

### peryear from 947.500 BTU Department**be~ieves** 

### that because of (999.600 kJ) 

### peryear. Lawrence start-uptransients. the use ofa wattBerkeley laboratoryofBerkeley, hour meter is more accurate; therefore. California calculated this constant from today's nottceincludesthe use of!i several utility studies. These results are watt-hour meter. which is not found in presented in theTechnical Support the IEC 1993test procedure;to obtain Document: Energy Efficiency Standards energy consumption. The annualuseful cooking energy in the extanttest procedure is 34.2 kWh (123 MJ) peryear b8sed on 1976 data. In the Eight Productrulemaking (59 FR 10464. March 4. 1994). DOE used an annual useful cooking et:lergy of 145.8 kWh peryear in its analysis. Technical SupportDocument: Energy Efficiency Standards for Consumer Products, 2Theannual useful cooking merBY IsenerBY input to an oven whichis transferred to the product being cooked and is a constant used to find the annual enerBY consumption and the enef8Y factor. The annualenerBY consumption Iscalculatedby mulrtplylng the constant by the ratio oftestenerBY consumption to the enef8Yused to heat the test'

. block. The enef8Y factor Istheratio ofthe constant to the total annualenerBY consumption.

• See footnote 2, supra.

. 

### Volume 2. November 1993. DOEIEE0009, Vol. 2 of 3. pp. 1-49. After reviewing several utility studies and comments. DOE is proposingto change the annualuseful cooking energy4 from 34.2 kWh (123 MJ) 

### peryearto 77.3 kWh (278.3 MJ) 

### peryear. This revisionto the annual useful cooking energy reflects

. currentU.S. microwave cooking usage. This.will change the value of0",

### in the testprocedure to 77.3 kWhlyr (143.2 kWhlyr x 0.54 =77.3 kWhlyr) (278.3

. MJ/yr). (See appendix I to subpart'B of

. .,title 10 CFR part 430. "UniformTest Method for Measuring the Energy Consumption ofConventional Ranges. Conventional Cooking Tops. Conventional Ovens. and Microwave Ovens." sections 4.4.3 and 4.4.5). Lawrence Berkeley Laboratory of Berkeley. California calculated this constant from 

## an average ofsix utility studies. These studies include:

·Lawrence BerkeleyLaboratory.

. "Baseline Data for the Residential and Development ofa Residential Forecasting Database," lBl 33717. May 1994; American Electric Power. "Utility
, Estimates ofHousehold Appliance Electricity Consumption." 1992; Southern California Edison.

. "Residential Appliance End-Use

·SUlVey," 1990 and 1991; Electric Power Research Institute, "Residential End-Use Energy Consumption: A Survey of Conditional Demand Estimates.
,. CU6487. October 1989; andthe"Slerra Pacific Power Company, "Integrating EIP and HES5 Information for EstimatingEnd-Use Energies." March 1988. The microwave oven annual energy consumption proposed in today's notice also includes the energy used bythe clock thus. eliminating the necessity to disable the clock during test setup. C. 

### Clothes Washer Test Procedure

The Department published the clothes. washer test procedure on September 28, 1977. (42 FR 49802) and, subsequently
onJune 29. 1979. (44 FR 37938) editorial changes were made. On December 22. 1993. (58 FR67710) the Department published a proposed amendmentto the clothes washertest procedure to address washers which,

. offer a warm rinse lock-out feature. Today's proposed amendments tothe

· clothes washer test**~rocedure** 

### will

·Theannual useful cooking enerBY Isen8f8Y input to an oven which Istransferred to the product being cooked and IS a constant 1B8d to ftndthe annualenerBY consumption and the enef8Y factor. The annualenerBY consumptionIS calculatedby multiplying the constantbytheratio oftest enerBY consumption to the enef8Y used to heat the test water lOad. The enef8Y factor Isthe ratio ofthe constant to the total annual enef8Y consumption.

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15335

address issues that are independent Department has become aware oftop- Therefore, instead of developing from the temperature selection lock-out loading-horizontal-axis clothes washers additional Temperature Utilization feature. which are readily available in other Factors, the Department is proposing to

Today's proposed amendments to the countries. These clothes washers have require the use of the temperature clothes washer test procedure do not not yet become available in the U.S. selection which results in the largest alter the energy factor ofany existing market; however, the Department wants amount ofhot water consumption for clothes washer that minimally complies to provide nomenclature for this type of the energy consumption calculations with the existing efficiency standard. clothes washer. (section 4.1.1.1). The Department

In the Advance Notice of Proposed The Department is proposing to delete believes the use ofthe temperature Rulemaking for energy conservation the following definitions: "AHAM" selection which results in the largest standards for clothes washers (59 FR (section 1.1), "HWL-1" (section 1.7) and amount ofhot water consumption is 56423, November 14, 1994), the "HLW-2EC" (section 1.8). The revised specified in the existing test procedure Department said it would consider an test procedure proposed in today's ("hottest setting available" in section energy conservation standard that notice does not use these terms. 3.2.2.2). The Department's proposal is includes water extraction. The The Department is proposing to delete intended to remove any ambiguity Department believes that mechanical the requirement specified in existing regarding the testing ofclothes washers water extraction in a clothes washer is test procedure section 2.2: "Disconnect equipped with this type of temperature much more cost effective and efficient all console lights or other lighting selection. The Department welcomes than thermal extraction in a clothes systems on the clothes washer, which comments regarding this issue. dryer. The Department proposes today's do not consume more than 10 watts b. Test procedure revisions to include procedures and calculations for water during the clothes washer test cycle." changes from approved Waivers. extraction in clothes washers that would The Department believes that this The Department has granted two be used in the standards rulemaking for requirement is burdensome. Petitions for Waivers to the clothes consideration ofwater extraction. Any The Department is proposing to add a washer test procedure. Both Waivers analysis for clothes dryer efficiency new requirement for "Agitation and were for water-heating clothes washers. standards would account forthe impact spin speed settings" (section 2.11). The New Harmony Systems Corporation of moisture retention ofclothes entering existing test procedure does not specify (New Harmony) was issued a Waiver of moisture retention of clothes(entering the clothes dryer. agitation or spin speed settings. The (Case No. CW-001) by Decision and

The Department of Energy today Department is aware ofclothes washers Order, published on April 4, 1994. (59 proposes to modify the clothes washer which allow selective agitation and spin FR 15710). Asko Incorporated (Asko) testproedure as follows: speed settings independent ofthe was issued a Waiver (Case No. CW-002)

1. Title 10 CFR part 430, subpart B, normal cycle. Therefore, the proposed by Decision and Order, published on section 430.220). test procedure specifies requirements April 4, 1994. (59 FR 15719).

sThe number ofreresentative averae- for clothes washers with these features. The Department is proposing The nuber ofrepresen ve averge- The Department is proposing to definitions for "nonwater-heating
use cycles per year is presently 416, change the symbol for density from "d" clothes washer" (section 1.11) and based on Proctor and Gamble survey 

### based on Proctor and Gamble survey to "p." The requirement to use the "water-heating clothes washer" (section data from 1974-75. Nend density ofwater at 140°F was deleted, 1.24) to differentiate different types of Gamble survey data has indicated the so that the density ofwater at the clothes washers. number ofcycles consumers use on a measured temperature will be used. The Department is proposing to revise yearly basis has decreased. Thus, the :The Department is proposing to the requirements for "electrical energy Department is proposing to revise the clarify the requirement for "maximum supply" (section 2.2) to allow for higher representative average-use cycles to 392 fill" testing. The Department wants to voltage clothes washers. Furthermore, per year.5 This change lowers annual ensure that testing ofa clothes washer's voltage tolerance has been increased energy use and annual energy cost. energy consumption accounts for the from approximately 1.6 percent to 2

2. Title 10 CFR part 430, subpart B, clothes washer's maximum fill percent to reduce testing burden. This appendix J.

. capability. The Department is proposing increase in tolerance will not reduce the

a. General test procedure clarification to revise the test procedure to add accuracy of energy consumption testing/ The Department is proposing to add a "available on the clothes washer" after reporting. definition for "agitator" (section 1.1). the test procedure requirement for The Department is proposing to add The existing testprocedure mentions "maximum fill" (sections 3.2.1.2 and procedures for testing water-heating "agitator" but, does not provide a 3.2.2.1). clothes washers which have variable definition..
, ,The Department is aware that some temperature controls (sections 3.2.2

The Department is proposing to add a clothes washers may have similarly through 3.2.2.4). The Department is definition for "thermostatically labeled wash/rinse temperature proposing to test water-heating clothes controlled valves" (section 1.19). The selections, i.e., "automatic warm/cold" washers at the coldest and hottest existing test procedure mentions and "warm/cold," on the same machine, setting available on the clothes washer "thermostatically controlled valves" which actually provide different wash/ in addition to the existing test but, does not provide a definition. rinse water temperatures. Under this procedure temperature settings for

The Department is proposing to scenario, the "automatic warm/cold" warm (nominally 100°F) and hot replace the definition for a "top-loader" temperature selection has wash/rinse (nominally 140 0F). clothes washer with "top-loader- water temperature adjusted through the The proposed temperature use factors horizontal-axis clothes washer" (section use of thermostatically controlled for water-heating clothes washers are 1.21) and "top-loader-vertical-axis valves, whereas the "warm/cold" based on revised temperature use factors clothes washer" (section 1.22). The temperature selection is "traditional," for a three temperature selection in that control oftemperature is based nonwater-heating clothes washer. The

year from 1986 through 1994, obtained by P & G survey data and provided to the Department via believes that these machines are offering TUFs for a three temperature selection letter dated September 2, 1994. additional temperature selections. nonwater-heating clothes washer are >;,..

...



### Federal Register / 

### Vol. 60. No. 56 / Thursday. March 23. 1995 / Proposed Rules 

## 15335

address issues thatare independent from the temperature selection lock-out feature.

Today's proposed amendments to the clothes washer test procedure do not alter the energy factor ofany existing clothes washer thatminimally complies with the existing efficiency standard.

In the Advance Notice ofProposed Rulemaking for energy conservation standards for clothes washers (59 FR 56423. November 14. 1994). the Department said it would consideran energy conservation standard that includes water extraction. The Department believes that mechanical water extraction in a clothes washer is much more cost effective and efficient than thermal extraction in a clothes dryer. The Department proposestoday's procedures and calculationsforwater extraction in clothes washers thatwould be used in the standards rulemaking for considerationofwater extraction. Any analysis for clothes dryerefficiency standards would account for the impact ofmoisture retention ofclothes entering the clothes dryer.

. The Department ofEnergy today proposes to modify the clothes washer test procedure as follows: 1. Title 10 CFR part 430. subpart B. section 430.220).

The number ofrepresentative averageuse cycles peryear is presently 416, based on Proctor and Gamble survey data from 1974-75. New Proctor and Gamble survey data has.indicated the number ofcycles consumersuse on a yearly basis has decreased. Thus. the Department is proposing to revise the representative average-use cycles to 392 peryear.s This change lowers annual energy use and annual energy cost.

2. Title 10 CFR part 430. subpart B, appendixJ.

.

a. General test procedure clarification. The Department is proposing to add a definition for "agitator" (section 1.1). The eXisting testprocedure mentions "agitator" but. does not provide a definition.

The Department is proposing to add a definition for''thermostatically controlled valves" (section 1.19). The existing test procedure mentions "thermostatically controlled valves" but. does not provide a definition.

The Department is proposing to replace the definition for a "top-loader" clothes washer with "top-Ioaderhorizontal-axis clothes washer" (section 1.21) and "top-loader-vertical-axis clothes washer" (section 1.22). The

5 392 represents the average number ofcycles per year from 1986 through 1994, obtained byP & G surveydata and provided to the Departmentvta: letter dated September 2, 1994. 

### Department has become aware oftoploading-horizontal-axis clothes washers which,are readily available in other countries. These clothes washers have notyetbecome available in the U.S. market; however. the Departmentwants to provide nomenclature for this type of clothes washer.

The Department is proposing to delete the following definitions: "AHAM" (section 1.1). "HWL-l" (section 1.7) 

### and "HLW-2EC" (section 1.8). The revised test procedure proposed in today's notice does not use these terms.

The Department is proposing to delete the requirement specified in existing test procedure section 2.2: "Disconnect all console lights or other lighting systems on the clothes washer. which do not consume more than 10 watts

, during the clothes washertest Cycle."

The Department believes thatthis requirement is burdensome.

The Department is proposiryg to add a new requirement for "Agitation and spin speed settings" (section 2.11). The existing test procedure does not specify agitation or spin speed settings. The Department is aware ofclothes washers which allow selective agitation and spin speed settings independent ofthe normal cycle. Therefore. the proposed test procedure specifies requirements for clothes washers with these features.

The Department is proposing to

. change the symbol for density from "d" to "p." The reqUirement to use the density ofwaterat 140°Fwas deleted.
so that the density ofwater at the measured temperature will be used.

The Department is proposing to clarify the requireJTlent for "maximum fiU" 

### testing. The Department wants to
ensure that testing ofa clotheswasher's energy consumption accounts for the clothes washer's maximum fill capability. The Department is proposing to revise the test procedure to add "available on the clothes washer" after the test procedure requirement for "maximum fill" 

### (sections 3.2.1.2 and 3.2.2.1).

The Department is aware that some clothes washers may have similarly labeled wash/rinse temperature selections. i.e

.. "automaticwarm/cold" and "warm/cold." on the same machine, which actually provide different wash/ rinse water temperatures. Underthis scenario, the "automaticwarm/cold" temperature selection has wash/rinse water temperature adjusted through the
use ofthermostatically controlled valves. whereas the "warm/cold" temperature selection is "traditional." in that control oftemperature is based
on preset orifices. The Department believes that these machines are offering additional temperature selections. Therefore. instead of developing additional Temperature Utilization Factors. the Departmentis proposing to require the use ofthe temperature selection whiCh results in the largest amount ofhot water consumption for the energy consumption calculations (section 4.1.1.1). The Department believes the use ofthe temperature selection which results in the largest amountof hot water consumption is specified in the existing test procedure ("hottest setting available" in section 3.2.2.2). The Department's proposal is intended to remove any ambiguity regarding the testing ofclothes washers eqUipped with this type oftemperature selection. The Departmentwelcomes comments regarding this issue.

b. Test procedure revisions to include changes from approved Waivers. '

The Department has granted two Petitions for Waivers to the clothes washer test procedure. Both Waivers
were for water-heating clothes washers. New Harmony Systems Corporation (New 

### Harmony) was issued a Waiver (Case No. CW-OOl) by DeciSion and Order. published on April 4. 1994.(59 FR 15710). Asko Incorporated (Asko)
was issued a Waiver (Case No. CW-002) by Decision and Order. published on Apr1l4. 1994. (59 FR 15719).

The Department is proposing definitions for "nonwater-heating clothes washer" (section 1.11) and "water-heating clothes washer" (section 1.24) to differentiate different types of clothes washers.

The Department is,proposing to revise the requirements for "electrical energy supply" (section 2.2) to allow for higher voltage clothes washers. Furthermore. voltage tolerance has been increased from approximately 1.6 percent to 2 percent to reduce testing btirden. This increase in tolerance will not reduce the

,accuracy ofenergy consumption testing!**re~orting.** 

### The Departmentis proposing to add procedures for testing water-heating clothes washers which have variable temperature controls (sections 3.2.2 through 3.2.2.4). The Department is proposing to test water-heating clothes washers at the coldest and hottest setting available on the clothes washer in addition to the existing test procedure temperature settings for
warm (nominally 100°F) and hot (nominally 140°F).
,

The proposed temperature use factors for water-heating clothes washers are based on revised temperature use factors for a three temperature selection nonwater-heating clothes washer. The Department believes that the existing TUFs for a three temperature selection nonwater-heating clothes washer are

### 15336 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

appropriate for a water-heating clothes consumption using a 3 pound (1.36 kg) regarding the definition and calculation washer, except that some consumers test load. The Department believes that of the moisture removal energy. The will occasionally choose to use a consumers will occasionally wash loads Department is proposing a value of 0.5 temperature setting higher than the which are larger than 7 pounds (3.18 kg) Kwh/lb as the energy efficiency ofa "hot" setting'since it is available to and will also wash loads which are representative clothes dryer to remove them. The existing temperature use smaller than 3 pounds (1.36 kg). This moisture. The Department also is factors for "cold/cold" (15 percent), provision will allow for testing of interested in comments as to the "warm/warm orwarm/cold" (5.5 clothes washers that may have this validity and usage of this value, percent) and "hot/warm or hot/cold" feature. The Department welcomes The Department is interested in (30 percent) have been split into four comments on this proposed provision. developing a new energy descriptor, TUFs, one of 15 percent for the c. Water consumption and extraction called a modified energy factor, which "coldest" setting, one of 55 percent for testing. ' 

### will include moisture removal energy, the "warm" setting, one of25 percent The Department is concerned about for possible future standard use. This for "hot" and one of 5 percent for the water conservation and wishes to new descriptor will provide a means of "hottest" setting. The Department does provide fora procedure to determine the determining and comparing the entire not have data regarding the 5 percent water consumption of clothes washers. energy consumption of clothes washers. value, but is proposing to use it as The Department believes, consistent Therefore, the Department is proposing originally proposed by New Harmony. with the Energy Policy Act of 1992, Pub. to add a definition for "modified energy The Department welcomes comments L. 102-486, that water conservation is factor" (section 1.9). The modified
on this proposal. important, and a need may exist to energy factor equals the ratio of the

The Department is proposing tighter determine actual water use. capacity of the clothes washer divided tolerances for the supply water Therefore, the Department is bythe total energy, which consists of temperature, and the "warm" and "hot" proposing to add definitions, testing the mechanical, hot water and moisture settings for water-heating clothes procedures, and calculations regarding removal energy. The calculations for the washers as compared to nonwater- water use. Additionally, for those water modified energy factor are provided in heating clothes washers. The or sewage utilities wishing to include the proposed test procedure section 4.4. Department is proposing that the supply particular clotheswashers in rebate The Department requests comments, water temperature be setat "a minimum programs, the DOE test procedure data, and otherrelevant information of 55°F (12.8°C) and a maximum of60°F would provide a standardized means of regarding the definition and calculation (15.6°C)." The "warm" temperature testingfor water consumption. ofthis new energy descriptor. shall be set at "a minimum of 1000

### F The Department is proposing to add a (37.8°C) and a maximum of 1050

### F definition for a "Water consumption D.ReportingRequirements (40.6 0

### C)" and the "hot" temperature factor" (section 1.23); Calculations for The Department is proposing to revise shall be set at "a minimum of 1400 

### F the water consumption factor are the reporting requirements for clothes (60 0

### C) and a maximum of 145 0

### F provided insection 4.3. The water washers, dishwashers and clothes (62.8 0

### C)." These tighter tolerances are consumption factor is the ratio of the dryers. The present regulations do not required for water-heating clothes clothes washer capacity divided bythe require the reporting of the energy washers to reduce variability in energy , weighted per-cycle water consumption. factors for these products. Prior to the consumption testing/reporting and to The weighted per-cycle water May 14, 1991 final rule for clothes
ensure that a minimum temperature rise consumption is the actual weighted washers, dishwashers and clothes is tested. The temperature tolerance and volume ofwater that a particular clothes dryers, there were no performance minimum temperature rise issues are washer consumes. This measurement standards for these products. Now, since unique to a water-heating clothes could be used to estimate water there are performance standards for washer because the energy to raise the consumption on an annual basis. The these products, the Department is water temperature is measured from Department welcomes comments on this proposing to include certification electrical consumption versus being proposal. reporting Section 430.62(a)(2). calculated as it is for nonwater-heating The Department is concerned about clothes washers. water extraction in the clothes washers'

. Environmental Review

Since the issue ofmachine-controlled final spin. The Department believes that Pursuant to section 7(a) ofthe Federal water fill capability has been raised by mechanical extraction in a clothes Energy Administration Act of 1974 the Asko Waiver, the Department wants washer is more efficient than thermal (Pub. L. 93-275, 15 U.S.C. 766(a)), a to provide a provision for the possibility extraction in a clothes dryer. Therefore, copy ofthis notice was submitted to the ofany type ofclothes washer having the Department wishes to provide for a Administrator ofthe Environmental this feature. Thus, the Department is procedure measuring the water Protection Agency for the proposing to add the definition of extraction in clothes washers. The Administrator's comments concerning "machine-controlled water fill Department is proposing to add a the impacts of thisproposal on the capability" (section 1.7) to the test definition for "moisture removal quality of the environment. procedure. In addition, the Department energy" (section 1.10). Moisture DOE has concluded that this proposed is proposing a revision to the "top- removal energy equals the weight ofthe rule falls into a class ofactions loader-vertical-axis clothes washer" residual water in the test load at the (categorical exclusion A5) that are section (section 2.8.1) to require the use completion ofthe clothes washer cycle categorically excluded from NEPA of a test.load for clothes washers with multiplied by the nominal energy review because they would not
a machine-controlled water fill needed to remove moisture using a individually or cumulatively have a capability feature. Therefore, a clothes representative clothes dryer efficiency. significant impact on the human washer equipped with machined- The calculations for moisture removal environment, as determined by DOE's controlled water fill capability will be energy are provided in the proposed test regulations (10 CFR part 1021, Subpart tested for maximum fill energy procedure section 4.2. In today's notice, D) implementing the National consumption using a 7 pound (3.18 kg) the Department requests comments, Environmental Policy Act of 1969 (42 test load and for minimum fill energy data, and other relevant information U.S.C. 4321, 4331-35, 4341-47 (1976)). 

## 15336 Federal,'Register / Vol. 60,' No.,' 56 / Thursday, March 23, 1995, / Proposed Rules

appropriate for a water-heating clothes washer, except that.some consumers will occasionally choose to use a temperature setting higher thanthe

, "hot" setting'since it is available to

them. The existing temperature use factors for "cold/cold',' (15 percent), "warm/warm orwarm/cold" (5,5 percent) and "hot/warm or**hot/cold~'** 

### (30 percent) have been split into four TUFs, one of 15 percent for the "coldest" setting, one of**~5** 

### percentfor the "warm",setting, one of25 percent for "hot" and one of5 percentforthe "hottest" setting. The Department does not have dataregardingthe 5 percent value, but is proposing to use it as originally proposed by New Harmony. The Departrrlent welcomes'comments
on this proposal.
,

The Department is proposingtighter tolerances for the supplywater ' temperature, and the "warm" and "hot" settings forwater-heating clothes washers as compared to nonwaterheating clothes washers. The Department**i~** 

### proposing that the supply, watertemperature be 

### setat "a minimum of55°F (12.8°C) and a maximum of6QoF (l5.6°C)." The "warm" temperature shall be set at"a minimum of lOO°F (37.8°C) and a maximum of lO5°F (40.6°C)" and the "hot" temperature shall be 

### set at "aminimum of 140°F (60°C) and a maximum of 145°F (62.8°C)." These tighter tolerances are required for water-heating clothes washers to reduce variability in energy consumption testing/reporting and to
ensure that a minimum temperature rise is tested: The temperature tolerance and minimum temperature rise issues are unique to a water-heating clothes washerbecause the 'energy to raise the water temperature is measured from ' electrical consumptionversus being
, calculated as it is for nonwater-heating clothes washers.

Since the issue ofmachine-controlled ' waterfill capabilityhas been raised by the Asko Waiver, the Department wants to provide a prOvision forthe possibility
, ofanytype ofclothes washer having this feature. Thus, the Department is proposing to add the definition of "machine':controlled water fill capability" (section 1.7) 

### to the test procedure. In addition, the Department is proposing a revision to the "top': loader-vertical-axis clothes washer" section (section 2.8.1) to require 'the use ofa test.load for clothes washers with
a machine-controlled water fill capabilityfeature. Therefore, a clotl1es washerequippedwith machinedcontrolled waterfill capabilitywill be tested for maximum fill energy consutnptionusing a 7 pound (3.18 

### kg) test load and for minimum fill energy consumption using a 3 pound (1.36 

### kg) regarding the definition andcalculation test load. The Department believes that ofthe 'moisture removal energy. The conSumers will occasionallywash loads Department is proposing a value of0.5 which are larger than 

### 7 pounds (3.18 

### kg) Kwhllb as the energy effiCiency ofa

, and will also wash loads which are representative clothes dryer'to remove

smaller than3 pounds (1.36 

### kg). This moisture. The Department also is prOVision will allow for testing of interested in comments as to the clothes washers that may haVe this

_ validity and usage ofthis value. feature. The Department welcomes The Department is 

### interested in comments on this proposed proviSion. developing a new energy descriptor,

c. Water consumption andextraction called a modified energy factor, which testing. \'
, will include moisture removal energy,

The Department is concerned about ' for possible future standard use; This waterconservation and wishes to new descriptorwill provide a means of provide fora procedure to determine the determining arid cbmpartngthe entire water consumption ofclothes washers. energy consumption of**do~es** 

### washers. The Department believes, consistent Therefore, the Department isproposing with the Energy Policy Act of 1992, Pub.' to add a definition for "modified energy L. 102-486, that water conservation is factor" (section 1.9). The modified important, and a need may exist to energy factor equals the ratio ofthe determine actual water use. , capacity ofthe clothes washer divided

, Therefore, the Department is by thetotal energy, which consists of proposing to add definitions, testing the mechanical, hotwater and moisture procedures, and calcuhitions regarding removal energy. The calculations for the water use. Additionally, forthose water modified energy factor are provided in '
or sewage utilitieswishing to include the proposed testprocedure section 4.4. ' particular clothes washers inreb3te The Departmentrequests comments, programs, the DOE test procedure data, and other releVant information would provide a standardized means of regarding the definition and calcuhltion testingforwater consumption. ,ofthis new energydescriptor. "

The Department is proposing to add a definition for a "Water consumption 

### D. ReportingRequirements fattor" (s'ection 1.23), Calculations for The Department is proposing to revise the water consumption factor are the reportingreqUirements for clothes provided in,section 4.3. Thewater washers, dishwashers and clothes consumptionfactor is the ratio ofthe dryers. The presentregulations do not clothes washer capacity dividedby the require the reporting ofthe energy

, weighted**per~cycle** 

### water'q>nsumption. factors for these products. Priorto the

The weighted per-cycle water May 14, 1991 final rule for clothes consumption is the actualweighted washers, dishwashers andclothes volume ofwater that a particular clothes dryers, there were no performance washer consumes. This measurement standards for these products. 

# Now, since could be used to estimatewater there are performance standards for ' consumption on an annual basis. The these products, the, Department is Departmentwelcomes comments onthis' proposing to include certification proposal. " ' ,reporting. Section 430.62(a)(2). '

,The Department is concerned about water extraction in the clotheswashers' m,Envlronmental Review final spin. TheDepartment believes that Pursuantto section 7(a) ofthe Federal mechanicaJ. extraction in a clothes' Energy Administration Actof 1**~7**

### 4 washer is more efficient than thermal (pub. L. 93-275, 15U.S.C. 766(a», a extraction in a clothes dryer.Therefore, copy ofthis notice was submitted to the the Departmentwishes to provide for a Administrator ofthe Environmental procedure measuring the water ,'ProtectionAgency for the
, extraction in clothes washers. The Administrator's comments concerning Department is proposing to adda the impacts ofthis proposal on the definition for '!moisture removal quality ofthe environment. energy" (section 1.10). Moisture DOE has concluded that this proposed removal energy equals the weight ofthe rule falls into a class ofactions "residual waterin the test load at the (categorical exclusion A5) that are

completion'ofthe clothes washer cycle categorically excluded from NEPA multiplied by the nominal energy review because they would nOt needed to remove moisture using a individually or cumulatively have a representative clothes dryer efficiency. significant impact onthe human 'f.he calculations for moisture removal environment. as determined by DOE's energy are provided in the proposed test regulations'(10 CFR 

## Part 1921, Subpart procedure section 4,,2. In today's notice,D) implementing the National

. the Departmentrequests cominents, Environmental Policy Act of 1969 (42 data, and otherrelevant information U.S.C. 4321, 4331-35, 4341-47 (1976».

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15337

Therefore, this proposed rule does not substantial direct effects, the Executive 32(b) regarding the manner of public require an environmental impact Order 12612 requires the preparation of participation. statement or an environmental a Federalism assessment to be used in As required by section 32(c), DOE will assessment pursuant to NEPA. decisions by senior policymakers in consult with the Attorney General and IV Reg *ulator R e *promulgating or implementing the the Chairman of the Federal Trade IV.

Regulatory eview regulation. Commission concerning the impact of Today's regulatory proposal has been DOE has identified a substantial these standards on competition, prior to determined not to be a "significant direct effect that today's proposed rule prescribing final test procedures. regulatory action" under Executive would have on State governments. It IX Paerwork ReductionAct Review Order 12866, "Regulatory Planning and would initially preempt inconsistent Review," (58 FR 51735, October 4, State regulations. However, DOE has No new information or recordkeeping 1993). Accordingly, today's action was concluded that such effect is not requirements are imposed by this not subject to review under the sufficient to warrant preparation ofa rulemaking. Accordingly, no OMB Executive Order by the Office of federalism assessment for the following clearance is required under the Information and Regulatory Affairs. reason: the Act provided for subsequent Paperwork Reduction Act (44 U.S.C. V. Regulatory Flexibility Review State petitions for exemption. Thus, a 3501 etseq.). V.RegulatoyFlexiby determination as to whether a State law X. Review Under Executive Order The proposed rule has been reviewed prevails mustbe made on a case-by-case 12778 under the Regulatory Flexibility Act, basis using criteria set forth in the Act. Pub. L. 96-354 (42 U.S.C. 601-612) When DOE receives such a petition, itcton 2 of Executive Order 12778 which requires preparation ofa will then be appropriate to consider instructs each agency to adhere to regulatory flexibility analysis for any preparing a federalism assessment certain requirements in promulgating regulation that will have a significant consistent with the criteria in the Act. new regulations and reviewing existing economic impact on a substantial o regulations. These requirements, set number of small entities, i.e., small VIII. Review Under forth in section32 os 2(a) and (b) (2), include businesses and small government Federal Energy Administration eliminating drafting errors and needless businesses and small government Authorization Act ambiguity,drafting the regulations to 

### jurisdictions. The proposed rule affects Authorization Actambiguity drafting the regulations to manufacturers ofwater heaters: kitchen The test procedure amendments minimize litigation, providing clear and ranges, ovens, and microwave ovens; proposed today incorporate the certain legal standards for affected and clothes washers. The test International Electrotechnical conduct, and promoting simplification procedures would not have significant Commission Publication 705, and and burden reduction. Agencies are also economic impact, but rather, would Amendment 2-1993, "Methods for instructed to make every reasonable provide common testing methods. DOE Measuring the Performance of effort to ensure that the regulation accordingly certifies that the proposed Microwave Ovens for Household and specifies clearly any preemptive effect, rule would not, ifpromulgated, have a Similar Purposes," section 4, Paragraph effect on existing Federal law or significant economic impact on a 12 "Microwave Power Output regulation, and retroactive effect; substantial number of small entities and Measurement," Paragraph 13 "Electrical describes any administrative that preparation of a regulatory Power Output Measurement," and proceedings to be available prior to flexibility analysis is not warranted. Paragraph 14 "Efficiency" to determine judicial review and any provisions for the output power and efficiency for the exhaustion ofsuch administrative VI. "Takings"Assessment Review microwave ovens. proceedings; and defines key terms. The It has been determined pursuant to Pursuant to section 301 of the DOE certifies that today's proposed rule Executive Order 12630 (52 FR 8859, Department ofEnergy Organization Act meets the requirements of sections 2(a) March 18, 1988) that this proposed (Pub. L. 95-91), DOE is required to and (b)(2) of Executive Order 12778. regulation, ifadopted, would not result comply with section 32 ofthe Federal XI. Public Comment Procedures in any takings which might require Energy Authorization Act of 1974 (15 compensation under'the Fifth U.S.C. 788), which imposes certain A. Written CommentProcedures Amendment to the United States requirements where a proposed rule Interested persons are invited to Constitution. contains commercial standards or participate in the rulemaking by

The Department believes that test authorizes or requires the use ofsuch submitting data, comments, or procedures implementing a long- standards. information with respect to the established statutory mandate in a The findings required ofDOE by proposed test procedures set forth in
manner calculated to minimize adverse section 32 ofthe Act serve to alert the this notice to the address indicated at economic impacts does not constitute a public and DOE regarding the use and the beginning of the notice. "taking" of private property. Thus, background ofcommercial standards in Comments should be identified both testing under the appliance standards a proposal and through the rulemaking on the envelope and on the documents program does not invoke the provisions process. They allow interested persons as "Water Heaters; Kitchen Ranges, ofE.O. 12630. to make known their views regarding Ovens, and Microwave Ovens; and VII. Federalism Reviw the appropriateness of the use ofany Clothes Washers Test Procedures, particular commercial standard in a Docket No. EE-RM-94-230." Ten.(10) Executive Order 12612 (52 FR 41685, proposed rulemaking. copies are requested to be submitted. In October 30, 1987) requires that DOE has evaluated the promulgation addition, the Department requests that regulations or rules be reviewed for any ofInternational Electrotechnical an electronic copy (31/2" diskette) ofthe substantial direct effects on States, on Commission Publication 705, and comments on WordPerfectTM 5.1 be the relationship between the Federal Amendment 2-1993, in light of the provided. All submittal received bythe Government and the States, oron the public participation criteria of section date specified at the beginning ofthis distribution ofpower and 32(b). The Department is unable to notice will be considered by the responsibilities among various levels of conclude whether development ofthese Department of Energy before final action Government. Ifthere are sufficient standards fully complied with section is taken on the proposed amendments. 

### Federal Register I 

### Vol. 60. No. 56 I 

### Thursday. March 23. 1995 I 

### Proposed Rules 

## 15337

Therefore. this proposed rule does not require an environmental impact statement or an environmental assessment pursuant to NEPA.


### IV. Regulatory Review

Today's regulatory proposal has been determined not to be a "significant regulatory action" under Executive Order 12866

..'Regulatory Planningand Review." (58 FR 51735. October 4. 1993). Accordingly. today's action was not subject to review underthe Executive Order by the Office of Information and Regulatory Affairs.
V. Regulatory Flexibility Review

The proposed rule has been reviewed under the Regulatory Flexibility Act. Pub. L. 

### 96-354 (42 U.S.C. 601-612) which requires preparation ofa regulatory flexibility analysis for any regulation that will have a sigriificant economic impact on a substantial number ofsmall entities. i.e

.. small businesses and small government jurisdictions. The proposed rule affects manufacturers ofwater heaters: kitchen ranges. ovens. and microwave ovens: and clothes washers. The test procedures would not have significant economic impact. but rather. would provide common testing methods. DOE accordingly certifies that the proposed rule would not. ifpromulgated. have a significant economic impact on a . substantial number ofsmall entities and that preparation ofa regulatory flexibility analysis is not warranted.
VI. "Takings" Assessment Review

It has been determined pursuant to Executive Order 12630 (52 FR 8859. March 18. 1988) that this proposed regulation. ifadopted. would notresult in any takings which might reqUire compensation under'the Fifth Amendment to the United States Constitution.

The Department believes thattest procedures implementing a longestablished statutory mandate in a manner calculated to minimize adverse economic impacts does not constitute a "taking" ofprivate property. Thus. testing under the appliance standards program does not invoke the provisions ofE.O.12630.
VII. Federalism Review

Executive Order 12612 (52 FR 41685. October 30. 1987) requires that regulations or rules be reviewed for any substantial direct effects on States. on the relationship between the Federal Government and the States. or on the distribution ofpower and responsibilities among various levels of Government. Ifthere are sufficient substantial direct effects. tile Executive Order 12612 requires the preparation of
a Federalism assessment to be used in decisions by senior policymakers in promulgating or implementing the regulation.

DOE has identified a substantial direct effect thattoday's proposed rule would have on State governments. It would initially preempt inconsistent State regulations. However. DOE has concluded that such effect isnot sufficient to warrant preparation ofa federalism assessment for the following
reason: the Act provided for subsequent State petitions for exemption. Thus. a determination as to whether a State law prevails must be made on a case-by-case basis using criteria setforth in the Act. When DOE receives such a petition. it will then be appropriate to consider. preparinga federalism assessment consistent with the criteria in the Act.
VIII. Review Under Section 32 ofthe Federal Energy Administration Authorization Act

The test procedure amendments

. proposed today incorporate the International Electrotechnical Commission Publication 705. and Amendment 2-1993. "Methods for Measuring the Performance of Microwave Ovens for Householdand Similar Purposes." section 4. Paragraph 12 "Microwave Power Output Measurement." Paragraph 13 "Electrical Power OutputMeasurement." and Paragraph 14 "Efficiency" to determine the output power and efficiency for microwave ovens.

Pursuantto section 301 ofthe Department ofEnergy Organization Act (pub. L. 

### 95-91). DOE is required to complywith section 32 ofthe Federal Energy Authorization Act of 1974 (15 U.S.C. 788). which imposes certain

. requirements where a proposed rule

contains commercial standards or authorizes or requires the use of such standards.

The findings required ofDOE by section 32 oftheAct serve to alert the public and DOE regarding the use and background ofcommercial standards in
a proposal and through the rulemaking process. They allow interested persons to make known theirviews regarding the appropriateness ofthe use ofany particularcommercial standard ina proposed rulemaking.

DOE has evaluated the promulgation ofInternational Electrotechnical Commission Publication 705. and Amendment 2-1993. in light ofthe public participation criteria ofsection 32(b). The Department is unable to conclude whether development ofthese standards fully complied with section 32(b) regarding the manner ofpublic participation

.

.As required by section 32(c). DOE will consultwith the Attorney General and the Chairman ofthe Federal Trade Commission concerning the impact of these standards on competition. prior to prescribing final test procedures.
IX. PaperworkReductionActReview

No new information or recordkeeping requirements are imposed bythis rulemaking. Accordingly. no OMB clearance is required under the Paperwork Reduction Act (44 U.S.C. 3501 etseq.). X. Review UnderExecutive Order 

### 12778

Section 2 ofExecutive Order 12778 instructs each agency to adhere.to certain requirements in promulgating
new regulations and reviewing existing regulations. These requirements. set forth in sections 2(a) and (b) 

### (2). include eliminating drafting errors and needless ambiguity. drafting the regulations to minimize litigation. providing clear and certain legal standards for affected· conduct. and promoting simplification and burden reduction. Agencies are also instructed to make every reasonable effort to ensure that the regulation specifies clearly any preemptive effect. effect on existing Federal law or

. regulation. and retroactive effect;

describes any**admini~trative** 

### proceedings to be available prior to judicial review and any provisions for the exhaustion ofsuch administrative proceedings; and defines key terms. The DOE certifies thattoday's proposed rule meets the requirements ofsections 2(a) and (b)(2) ofExecutive Order 12778.
XI. Public CommentProcedures
A. 

### Written CommentProcedures

Interested persons are invited to

.participate in the rulemaking by submitting data. comments. or information with respect to the proposed testprocedures setforth in this notice to the address indicated at the beginning ofthe notice.

Comments should be identified both
on the envelope and on the documents
as "Water Heaters; Kitchen Ranges. Ovens. and Microwave Ovens; and Clothes Washers Test Procedures. Docket No.**EE~RM-94-230."** 

### Ten.(1

### 0) copies are requested to be submitted. In addition. the Department requests that
an electronic copy (3 1 

### 12" 

### diskette) ofthe comments on WordPerfectTM 5.1 be prOVided. All submittal received by the date specified at the beginning ofthis notice will be considered bythe Department ofEnergy before final action is taken on the proposed amendments.

### 15338 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

Pursuant to the provisions of 10 CFR an interest, is an appropriate C.IssuesforPublicComment 1004.11, any person submitting spokesperson, and give a telephoneThe Department ofEnergy is information which he or she believes to number where he or she maybe nterested inreceiving comments and be confidential and exempt by law from contacteddataonce the aura and public disclosure should submit one ' Each person selected to be heard is workability ofthesetest procedures. 

### complete copy ofthe document and ten requested to submit an advance copy of wor ility oDefarthese ts p ees (10) copies, ifpossible, from which the their statement prior to the hearing as lso te ertmen (10) copies, Ifpossiblefromwhich the nas discussion on improvements or information believed to be confidential indicated at the beginning ofthis notice. d ssion on iproveets or has been deleted. The Department of In the event any persons wishing to alratiDves to the s naperesohe In Energy will make its own determination testify cannot meet this requireqment, partcur, is inteested in with regard to the confidential status of that person may make alternative gathering comments on the following: the information and treat it according to arrangements with the Office of The appropriateness ofincluding its determination. Hearings and Dockets in advance by so test procedures fo electric and oil instantaneous water heaters, 

### Factors ofinterest to DOE when indicating in the letter requesting to st eowate eate evaluating requests to treat as ' make ar oral presentation. * The impacts on manufacturer(s) as evaluating requests to

treatasmake an oaprsa result of extending coverage of the confidential information that has been 2. Conduct of Hearing existing minimum energy efficiency submitted include: (1)A description of The Department of E n r eserv e s standards for electric and oil-fired 

### the items; (2) an indication as to The Department ofEnergy reserves standards for eectric and oil-fired whether and why such items are the right'to select the persons to be instantaneous water heaters. customarily treated as confidential heard at the hearing, to schedule the · 

### The appropriateness ofincluding within the industry; (3) whether the respective presentations, and to the draw schedule and draw rate ofthe information is generally known by or establish the procedures governing the American National Standards Institute/ available from other sources; (4) conduct ofthe hearing. The length of American Society of Heating, whether the information has previously 1 

### ^each presentation is limited to twenty Refrigerating and Air Conditioning whether the information has previously 

### been made available to others without (20)minutes. Engineers Standard 118.2-1993 for been made availabe to others witho A DOE official will be designated to storage water heaters with rated storage obligation concerning its preside atthe hearing. The hearing will capacities less than 20 gallons (76 confidentiality (5) an explanation of the not be ajudicial or an evidentiary-type liters). competitive injury to the submitting hearing, butwill be conducted in * 

### The impacts on manufacturer(s) as person which would result from public accordance with 5 U.S.C. 553 and a result of extending coverage of the disclosure; (6) an indication as to when section 336 ofthe Act. At the existing minimum energy efficiency such information might lose its

·conclusion ofall initial oral statements standards for storage-type water heaters confidential character due to the at each day of the hearing, each person of less than 20 gallons (76 liters). passage oftime; and (7) why disclosure who has made an oral statement will be

· The appropriateness ofthe of the information would be contrary to given the opportunity to make a rebuttal proposed definition, first hour rating, the public interest. statement, subject to time limitations. for instantaneous and storage water B. PublicHearing The rebuttal statement will be given in heaters. the order in which the initial statements * The appropriateness ofthe 1.Procedures for Submitting Requests to were made. The official conducting the proposed first hour rating test method Speak hearing will accept additional for storage tank-type water heaters.

The time and place of the public comments or questions from those * The appropriateness ofa first hour hearing are indicated' at the beginning of attending, as time permits. Any rating which mightgive unrealistic this notice. The Department of Energy interested person may submit, to the results for water heaters containing invites any person who has an interest presiding official, written questions to thermal compensating dip tubes.or in today's proposed rule, or who is a be asked ofany person making a internal mixing valves. representative of a group or class of statement at the hearing. The presiding · The appropriateness ofthe persons that has an interest in the official will determine whether the proposed definitions: heat pump water proposed test procedures, to make a question is relevant, and whether time heater, add-on heat pump water heater, written request for an opportunity to limitations permit it to be presented for integral heat pump water heater, solar make an oral presentation. Such answer. water heater, and heat pump water requests should be directed to the Any further procedural rules heater storage tank. address indicated at the beginning of regarding proper conduct of the hearing * The adequateness ofthe test this notice. Requests may be hand will be announced by the presiding provisions for heat pump water heaters delivered to such address between the official. regarding the usage ofbackup electric hours of 8 a.m. and 4 p.m., Monday A transcript ofthe hearing will be resistance element(s). through Friday, except Federal holidays. made, and the entire record ofthis * The appropriateness ofthe' Requests should be labeled "Test rulemaking, including the transcript, proposed test energy method to Procedure for Water Heaters; Kitchen will be retained by DOE and made determine the output energy for Ranges, Ovens and Microwave Ovens; available for inspection at the DOE microwave ovens. and Clothes Washers; and Reporting Freedom of Information Reading Room, * The appropriateness to incorporate Requirements for Clothes Washers, U.S. Department ofEnergy, Forrestal by reference the International Clothes Dryers, and Dishwashers, Building, Room 1E-190, 1000 Electrotechnical Commission Docket No. EE-RM-94-230," both on Independence Avenue, SW., Publication 705, and Amendment 2- the document and on the envelope. Washington, DC 20585, (202) 586-6020, 1993, "Methods for Measuring the

The person making the request should between the hours of 9 a.m. and 4 p.m., Performance of Microwave Ovens for briefly describe the interest concerned Monday through Friday, except Federal, Household and Similar Purposes," and state why he or she, either holidays. Anyperson may purchase a section 4, Paragraph 12 "Microwave individually or as a representative of a copy ofthe transcript from the Power Output Measurement," Paragraph group or class of persons that have such transcribing reporter. 13 "Electrical Power Output , 

## 15338 Federal Register / 

### VQI. 60, No. 56 / Thursday, March 

## 23, 1995 / Proposed Rules

Pursuantto the provisions of 10 CFR 1004.11, anyperson submitting information which he or she believes to

· beconfideritial and exempt by law from

public disclosure should submit one' complete copy ofthe documentand ten

· (10) coples;'ifpossible, from which the '

information believed to 

### be confidential has been deleted. The Department of Energy will make its own determination

, with regard to the confidential status of

the information and treat it according to its determination.

Factors ofinterest to 

### DOE when evaluatingrequests to'treat as

.
· confidEmtialinformation that

### has been

submittea include: (1) A description of

.the items; (2) an indication as to whether arid why $uch items.are customarily treated as confidential within the industty; (3) whether the information is generally known byor available from other sources; (4) whetherthe**inf~rmation** 

### has previously been made available to others without obligation concerning its confidentiality; (5) an,explanation ofthe competitive iryury to the submitting person which wouldresult from public disclosure; (6) an indication 

### as to 

### when such information might lose its confidential character due to 

### the passage oftime; and (7) 

### why disclosure .ofthe information would be contrary to the public interest.
B. PublicHearing 

### 1.'Procedures for Submitting Requests to Speak

The time and place ofthe public hearing are indicated'atthe beginning of

· this notice. The Department ofEnergy

invites any person who has an interest in tOday's proposed rule, orwho is a

.representative ofa group or class of persons that has an irtterest in the proposed test procedures, to 

### make a Written requestfor an opportunityto make an oral presentation. Such requests should be directed to the address indicated at the beginning of this notice. Requests may be hand delivered to such address between the

. hours, of8 a.m. and 4 p.m., Monday through Friday. except Federal holidays. Requests should be labeled "Test Procedure for Water Heaters; Kitchen Ranges. Ovens and Microwave Ovens; and Clothes Washers; and Reporting Requirements for Clothes Washers, Clothes Dryers, and Dishwashers. Docket No. EE-RM-94-230." both.on the document and onthe envelope. .'

The persOn making the request should

. briefIy describe the interest concerned

and state why he or she, either individually or, as a representative ofa group orclass ofpersons that have such an intereSt, is an appropriate spokesperson,-and'give a telephone numberwhere he or she maybe Contacted: '

Each person selected to be heard is requested to sub1l'it an advance**c~py** 

### of their statement prior to the hearing as indicated at the beginning ofthis notice. 'lnthe eventany persons wishing to testify cannotmeetthis requirement, that person may make alternative arrangements with the Office of Hearings and Dockets inadvance by so indicating inthe letterrequesting to make ari oralpresentation

.. 2. Conduct ofHearing

The Department ofEnergy reserves the right'to select the persons to be heard at the hearing. to schedule the

·respective presentations. andto establish the procedures governing the conduct ofthe hearing. The length of**~ch** 

### presentation is limited to twenty (20) minutes.
, · A DOE official will be designated to preside atthe,hearing. The hearing will. not be ajudidalor an evidentiary-type hearing. butwill be conducted in accordance with 5 U.S.C. 553 and section 336 ofthe Act. At the

·conclusion ofall initial oral statements at each day ofthe hearing. each person who has made an oral statement will be given the opportunityto make a rebuttal statement. subjectto time limitations. The rebuttal statementwill be given in the order in which the initial 'statements
were made. The official conductingthe hearing will accept additional comments orquestions from those. attending, as time permits. Any interested person may submit, to the

. presiding official, written questions to be asked ofany person making a statementat the hearing. The presiding official will determine whetherthe question is relevant, and whethertime limitations permit it

### to be presentedfor
answer.

AnyfUrther procedural rules

. regarding proper conduct ofthe hearing.

will be anl10unced by**th~** 

### presiding official. '.

.

A transcript ofthe hearing will be made. andthe entire record ofthis rulemaking. including the transcript. will be retained by DOE and made available for inspection at the DOE Freedom ofInformation Reading Room.**U.~.** 

### Department ofEnergy, Forrestal Building. Room lE-190, 1000 Independence Avenue, SW.• Washington. DC 20585. (202) 586-6020. between the hours of9 a.m. and 4 p.m

..

.Monday through Friday,**excep~Federal.,** 

### holidays. Any person may purchase a copy ofthe transcript from the

·transcribing reporter. 

### C. Issuesfor PublicComment 

### The Department ofEnergy is interested inreceiving comments arid data'concerning the acCuracy and workablllty ofthesetest procedures. Also, the Department welcomes discussion on improvements or

· alternatives to these approaches. In " particular, DOE is interested in gathering comments on the following:

• The appropriateness ofincluding test procedures for electric and oll instantaneous water heaterS. , . • The impacts on manufacturer(s) as

a result ofextending coverage ofthe

. . existing minimum energy efficiency standards for electric and oil-fired instantaneous water heaters.

• The appropriateness ofincluding the draw schedule and draw rate ofthe American National Standards Institute/ American Society ofHeating, Refrigerating and AirConditioning Engineers Standard 118.2-1993 for storage water heaters with rated storage capacities less than 

### 20 gallons (76

. liters).

• The impactS on manufacturer(s) as a result ofextending coverage ofthe existing minimum energy efficiency standard$ for storage-type water heaters ofless than 20 gallons (76liters).

• The appropriateness.ofthe

.
·proposed definition, first hourrating, for.instantaneous and storage water heaters.

• The appropriateness ofthe proposedfirst hourratingtest method for**storag~ tank~type**  

### watei' he,aters.

• The approprJateness of

## aflrsthour '

.. rating which,mightgive unrealistic

· results for water heaters containing thermal compensating dip tubes.or internal mixing valves.

.

• The appropriateness ofthe

. proposed definitions: heat pump water heater, add-on heat pump water heater. integral heat pumpwater heater. solar water heater, and heat Pllmp water heater storage tank.

.

• The adequateness ofthe test ' provisions for heat pump water heaters regarding the usage ofbackup electric resistance element(s)

..

• The appropriateness ofthe' proposed test energy method to

. determine the output,energy for microwave ovens.

• The appropriateness to**incorporat~** 

### byreference the International Electrotechnical Commission Publication 705, and Amendment 2-**1993~** 

### "Methodsfor Measurlng the Performance ofMicrowave Ovens for Household and SimilarPurposes," section 4, Paragraph 12 "Microwave Power OutputMeasurement," Paragraph 13 "Electrical Power Output

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15339

Measurement," and Paragraph 14 (ii) U.S. Department ofEnergy, Office §430.23 Test procedures formethods of "Efficiency" as a test method for ofEnergy Efficiency and Renewable energy consumption. microwave ovens. Energy, Hearings and Dockets, Forrestal * * * *

*.The appropriateness ofthe Building, 1000 Independence Avenue, (j) * * * proposed definitions: Agitator, machine- SW., Washington, DC 20585. (2)(i) The energy factor for automatic controlled water fill capability, (3) * * * and semi-automatic clothes washers modified energy factor, moisture (iv) Copies ofthe International shall be the quotient ofthe cubic foot removal factor, nonwater-heating Electrotechnical Commission (liter) capacity of the clothes container clothes washer, thermostatically Publication can be obtained from the as determined in 3.1 ofappendix J to controlled valves, top-loader-horizontal- American National Standards Institute, this subpart divided by the clothes axis clothes washer, top- loader-vertical- 11 West 42nd Street, New York, New washer energy consumption per cycle, axis clothes washer, water consumption York 10036, (212) 642-4936. expressed as: (for nonwater-heating factor and water-heating clothes washer.. (4 * * clothes washers) the sum of the machine

o The appropriateness ofthe electrical energy consumption and the proposed test and performance 13. International Electrotechnical hot water energy consumption as measurement methods for water-heating Commission Publication 705, and determined in 4.1.1.4 and 4.1.1.3, Amendment 2-1993, "Methods for clothes washers. Mesrn the erform e of M e respectively, ofappendix J to this

* The appropriateness of using 5 Ovens for Household and Similar Purposes, subpart (or forwater-heating clothes percent and 25 percent to prorate the Section 4,Paragraph 12 "Microwave Power washers) the energy consumption as "hottest" available setting and the "hot" Output Measurement," Paragraph 13 determined in4.1.2.2, of appendix J to setting, respectively, forwater-heating "Electrical Power Output Measurement," and this subpart. The result shall be rounded clothes washers. Paragraph 14 "Efficiency." offto the nearest 0.01 cubic foot per

e The appropriateness ofa new kilowatt-hour per cycle (0.01 liter per descriptor (moisture removal energy) to 43023 (Amend] kilowatt-hour per cycle). determine the efficiency of moisture 3. Section 430.23, Test procedures for (ii) The modified energy factor for removal from the test load. measures ofenergy consumption, is automatic and semi-automatic clothes

o 

### The appropriateness of a new amended to read as follows: washers is determined in accordance descriptor (water consumption factor) to A. In §430.23(i)(1)(iii) (second with section 4.4.1 (nonwater-heating determine the water consumption of sentence) replace "4.3.1, 4.2.2, 4.1.2:5, clothes washers) or 4.4.2 (water-heating clothes washers. or 4.1.2.6, 4.4.3, and 4.5.1.3" with "4.3, clothes washers), ofappendix J to this

* The appropriateness of a new 4.2.2, 4.1.2, and 4.4.3." subpart. The result shall be rounded off efficiency descriptor (modified energy B.In §430.23(i)(2) (first sentence) to the nearest 0.01 cubic foot per factor) for possible future use in replace "4.2.1.3, 4.1.3 and 4.4.2" with kilowatt-hour per cycle (0.01 liter per establishing energy conservation "4.2.1, 4.1.3, and 4.4.4." kilowatt-hour per cycle). standards for clothes washers. C. In §430.23(1) (3) (first sentence) (iii) The water consumption factor for List of Subjects in 10 CFR Part 430 replace "4.3.2, and 4.5.2" with "4.3" automatic and semi-automatic clothes washers is determined in accordance Administrative practice and dubplac the comma following with section 4.3.3, ofappendix J to this procedure, Energy conservation, remainder ofthe sentence subpart. The result shall be rounded off Household appliances, Incorporation by

. i of th. itn to the nearest 0.001 cubic foot per gallon reference.replace "4.3 I 3n
, 

### 430 .2.3, 4.1.4, 4.4( 4 and t tper cycle (0.001 liter per liter per cycle). replace "4.3.3, 4.2.3, 4.1.4, 4.4.4 and Issued In Washington, DC, February 8, 4.5.3" with "4.3, 4.2.3, 4.1.4, 4.4.5." * * * * * 1995.E In §430.230)()(i(A) replace 416 4. Appendix E to subpart B of part 430 Christine Ervin, wih "392" is revised to read as follows: with " 3 9 2 " . 

### eAssantSecretary'EnergyEfficiencyand F. In §430.23(j)(1)(i)(B) replace Appendix E to SubpartB of Part430- "determined according to 4.6" with Uniform Test Method for Measuring the For the reasons set forth in the "determined according to section 4.1.1.6 Energy Consumption ofWaterHeaters preamble, part 430 ofchapter Ioftitle (nonwater-heating) or 4.1.2.2 (water- Definitions 10, ofthe Code of Federal Regulations heating)"1. n means the is proposed to be amended as set forth *ea.n). 1.1 Cut-in means the time or water belowr G. In §430.230) (1) (i) (introductory temperature when awater heater thermostat text) replace "When gas-heated or oil- has acted to increase the energy or fuel input PART 430-ENERGY CONSERVATION heated water is used, the product of: the to the heating elements, compressor, or PROGRAM FOR CONSUMER representative average-use cycle of416 burner. PRODUCTS cycles per year" with "When gas-heated 1.2 Cut-outmeans the time or water or oil-heated water is used, the product temperature when a water heater thermostat 1.The authority citation for Part 430 of: the representative average-use cycle has acted to reduce to a minimum the energy continues to read as follows: of 392 cycles per year (for nonwater- or fuel input to the heating elements,

Authority: 42 U.S.C. 6291-6309. heating clothes washers)".ompreso, orburner. means 1.3 DesignPowerRatingmeansthe 2. Section 430.22 is amended by H. In §430.230) (1) (ii)(A) replace "4.4 nominal power rating that a water heater revising parag h (a)()(iand addig with "4.1.1.4". manufacturer assigns to a particular design of 

### revising paragraph (a))(2)3i) and adding paragraph (a)(3) (iv) and adding item I. In § 430.230)(1) (ii)(B) replace "in water heater, expressed in kilowatts or Btu

(a) * * * J. In § 430.23, paragraph 0)(2) is storage-type water heater can supply within (2) * * * revised to read as follows: an hour that begins with the water heater 

### Federal RegiSter / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 

## 15339

Measurement." and Paragraph 14 "Efficiency" as a test method for microwave ovens.

a, 

### The appropriatenes's ofthe proposed definitions: Agitator. machinecontrolled water fill capability. modified energy factor. moisture removal factor. nonwater-heating clothes washer. thermostatically controlled valves. top-loader-horizontalaxis clothes washer. top-Ioader-verticalaxis clothes washer. water consumption factor and water-heating clothes washer

..

a 

### The appropriateness ofthe proposed test and performance measurement methods for water-heating clothes washers.

a 

### The appropriateness ofusing 5 percentand 25 percent to prorate the "hottest" available setting and the "hot" setting. respectively. for water-heating clothes washers.

• The appropriateness ofa new descriptor (moisture removal energy) to determine the efficiency ofmoisture removal from the test load.

• The appropriateness ofa new descriptor (water consumption factor) to determine the water consumption of clothes washers.

• The appropriateness ofa new efficiency descriptor (modified energy factor) for possible future use in establishing energy conservation standards for clothes washers. ListofSubjects in 

### 10 CFR Part430

Administrative practice and procedure. Energy conservation. Household appliances. Incorporation by reference.

Issued inWashington. DC. February 8. 1995. Christine Ervin. AssistantSecretary. EnergyEfflclencyand RenewableEnergy.



### For the reasons set forth in the preamble. part 430 ofchapter II oftitle 10. ofthe Code ofFederal Regulations is proposed to be amended as set forth below:

PART 43o--ENERGY CONSERVATION PROGRAM FOR CONSUMER PRODUCTS



### 1. The authority citation for Part 430

. continues to read as follows: Authority: 42 U.S.C, 6291--6309. 

### 2. Section 430.22 is amended by revising paragraph (a) (2) (ii) and adding paragraph (a)(3)(iv) and adding item number 13 to paragraph (a)(4) to read as follows:'

. §430.22 Reference sources.

(a) 

### * * * (2) 

### * * * (il) 

### U.S. DepartmEmt

## ~fE~~rgy. Office ofEnergy Efficiency and Renewable Energy. Hearings and Dockets. Forrestal Building. 1000 Independence Avenue. SW.• Washington. DC 20585.

(3) 

### ** 

# * (iv) Copies ofthe International Electrotechnical Commission Publication can be obtained from the American National Standards Institute. 11 West 42nd Street. New York. New York 10036. (212) 642-4936.

(4) 

### * * *
13. International Electrotechnical CommissionPublication705, and Amendment 2-1993, "Methods for Measuring the Performance ofMicrowave Ovens for Household and SimilarPurposes." Section4. Paragraph 12 "Microwave Power OutputMeasurement," Paragraph 13 "Electrical Power Output Measurement," and Paragraph 14 "Efficiency." § 430.23**[Amend~'**



### 3. Section 430.23. Test procedures for
measures ofenergy consumption. is amended to read as follows:

A. 

### In §430.23(i)(l)(iii) (second sentence) replace "4.3.1. 4.2.2. 4.1.2:5.

or 4.1.2.6.4.4.3. and 4.5.1.3"with "4.3. 4.2.2.4.1.2. and 4.4.3."

.B. In §430.23(i)(2) (first sentence) replace "4.2.1.3.4.1.3 and 4.4.2" with "4.2.1.4.1.3. and 4.4.4."

C. In §430.23(1) (3) (first sentence) replace "4.3.2. and 4.5.2" with "4.3" and replace the comma following "subpart" with a period and remove the remainder ofthe sentence.

D. In §430.23(1)(4) (first sentence) replace "4.3.3. 4.2.3. 4.1.4. 4.4.4 and 4.5.3" with "4.3. 4.2.3. 4.1.4.4.4.5."

E. 

### In §430.230)(I)(i)(A) replace "416" with "392".

F. In §430.230)(I)(i)(B) replace "determinedaccording to 4.6" with "determinedaccording to section 4.1.1.6 (nonwater-heating) or4.1.2.2 (waterheating)".

. G. In §430.230)(I)(ii) (introductory text) replace "When gas-heated or oilheated water is used. the product of: the representative average-use cycle of416 cycles peryear" with "When gas-heated 

# or oil-heated water is used. the product of: the representative average-use cycle of 392 cycles peryear (for nonwaterheating clotheswashers)"

.

.H.**~~** 

### §**430:~30)(I)(ii)(A)** 

### replace "4.4" With 4.1.1.4

.

I. In § 

### 430.230)(I)(ii)(B) replace "in Btu per cycle. determined according to 4.5" with "in Btu per cycle (MJ 

### per kwh). determined.accordingto section

. 4.1.1.5".

. 

## J. In §430.23. paragraph 0)(2) is revised to read as follows: § 430.23 Test procedures for methodsof 

### energy consumption. 

### * 

## * * * *



## 0> * * * (2)(i) The energy factor for automatic and semi-automatic clothes washers shall be the quotient ofthe cubic foot (liter) capacity ofthe clothes container
as determined in 3.1 ofappendix

## Jto this subpart divided bythe clothes washer energy consumption per cycle. expressed as: (for nonwater-heating clothes washers) the sum ofthe machine electrical energy consumption and the hot water energy consumption as determined in 4.1.1.4 and 4.1.1.3. respectively. ofappendix

## Jto this subpart: (or for water-heating clothes washers) the energy consumption as determined in 4.1.2.2. ofappendix

## Jto this subpart. The result shall be rounded offto the nearest 0.01 cubic foot per kilowatt-hour per cycle (0.01 liter per kilowatt-hour per cycle).

(il) 

### The modified energy factor for automatic and semi-automatic clothes washers is determined in accordance with section 4.4.1**(nonwater~heating** 

### clothes washers) or 4.4.2 (water-heating clothes washers). ofappendix

## Jto this subpart. The result shall be rounded off to the nearest 0.01 cubic foot per kilowatt-hour per cycle (0.01 liter per kilowatt-hour percycle).

(iii) 

### The water consumption factor for automatic and semi-automatic clothes washers is determined in accordance with section 4.3.3. ofappendix

## Jto this subpart. The result shall be rounded off to the nearest 0.001 cubic foot per gallon per cycle (0.001 liter per liter per cycle). 

### * * * 

## * *

4. Appendix Eto subpart B ofpart 430 is revised to read as follows: AppendixE to SubpartB ofPart 430- Uniform TestMethod for Measuring the Energy Consumption ofWater Heaters
1. Def1nitions

1.1 Cut-in means the time or water temperature when a water heater thennostat has acted to increase the energy or fuel input to the heating elements, compressor. or burner. 1.2 Cut-out

# means the time or water temperature when a water heater thennostat has acted to reduce to a minimum the energy or fuel input to the heating elements• compressor. or burner.

1.3 Design PowerRatingmeans the nominal power rating that a water heater manufacturer assigns to a particular design of water heater. expressed in kilowatts or Btu (KJ) perhour as appropriate.

1.4 EnergyFactormeans a measure of water heater overall efficiency.

1.5 FirstHourRating is an estimate ofthe maximum volume of "hot" water that a storage-type waterheater cansupply within 

### an hour that begins with the water heater

## 15340 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

fully heated (i.e., all thermostats satisfied). and subsequent recovery and the end of the 1.14 RatedStorage Volume means the Forinstantaneous water heaters, first hour 24-hour test: T.by,2 represents the total time water storage capacity of a water heater, in rating designates the maximum volume of during the 24-hour simulated use test when gallons (liters), as specified by the hot water that can be supplied during any water was not being withdrawn from the manufacturer. hour. water heater.

1.6 HeatPump WaterHeater Storage 1.11 Storage-Type WaterHeaters. 2. Test Conditions Tank is an insulated tank designed, wired 1.11.1 Electricstoragewaterheatermeans 2.1 Installaton Requirements.Tests shall and labeled for use exclusively with an add- a water heater that uses electricity as the beperformed with the water heater and
onheat pump water heater or solar water energy source, is designed to heat and store instrumentation installed in accordance with heater and being.unable to operate without water at a thermostatically controlled Section 4 ofthis appendix.
an add-on heat pump water heater or solar temperature of less than 180°F (82°C), has a 2.2 AmbientAirTemperature. The water heater. The heat pump water heater nominal input of 12 kilowatts or less, and has ambient air temperature sha be controlled storage tank may contain one or two a manufacturers rated storage capacity of 120to a value between 65.0F and 70.0F (18.3C thermostats and up to two electric resistance gallons (450 liters) or less.and 21 on a continuous basis. For heat heating elements, and has a nianufacturer's 1.11.2 GasStorageWaterHeatermeans a rated capacity of 120 gallons (450 liters) or water heater thater uses gas as the energy e he dry bulb less. When tested with the add-on heat pump source. is designed to heat and storewater at temperature shal be maintained at 67.5F + water heater or solar water heater a thermostatically controlled temperature of F (19C 0.6C) and, n addition, the inoperative, the heat pump water heater less than 180°F (82°C), has a nominal input relative humidity shal be maintained storage tank shal have an energy factor that of 75,000 Btu per hour (79MJ per hour) or between 49and 51 percent. is determined in accordance with the test less, and has a manufacturer's rated storage 2.3 Supply WaterTemperature. The procedure for waterheaters. capacity of 100 gallons (380 liters) or less. temperature ofthe water being supplied to

1.7 ' HeatTrapmeansa device which can 1.11.3 HeatPumpWaterHeatermeansa the water heater shall bemaintained at 58F± be integrally connected or independently water heater that uses electricity as the 2aF (14.4Cil.1°C) throughout the test. attached to the hot and/or cold water pipe energy source, is designed to heat and store 2.4 StorageTank Temperature.The connections of a water heater suchthat the water at a thermostatically controlled average temperature ofthe water within the device will develop a thermal or mechanical temperature ofless than 180°F (82°C), has a storage tankshall be set to 135°F±5°F seal tominimize the redrculatlon ofwater maximum current rating of24 amperes (57.2°C±2.80C). due to thermal convectionbetween the water (includes the compressor and all auxiliary 2.5 Supply WaterPressure.During the heater tank and its connecting pipes. equipment such as fans, pumps, and test when water is not being withdrawn, the

1.8 

### .Instantaneous-Type WaterHeaters controls, and if onthe same circuit, any supply pressure shall be maintained between 1.8.1 Electric InstantaneousWaterHeater resistive elements) for an inputvoltage of250 40psig (275 kPa) and the maximummeans a water heater that uses electricity as volts or less, and, ifthe tank is supplied, has allowable pressure specified by the water the energy source, Initiates heating based on a manufacturer's rated storage capacity of 120 heater manufacturer. sensing water flow, is designed to deliver gallons (450 liters) or less. Resistive elements 2.6 Electricaland/or Fossil FuelSupply. uensing waterflow,isdesigned todeliverma water at a controlled temperature of less t used to provide spplemental heating may 2.6.1 Electrical. Maintain the electrical 180°Ft (82°C) hasa maximum^input ofl use the same circuit as the compressor If (1) supply voltage to within ±1 percent ofthe owatts or(82C), has a maxmumnput12 An interlocking mechanism prevents center ofthe voltage range specified by the kilowatts or less, and has a manufacturer'spratin and spnecifoed storage c haoao ufacturerless s ta2 concurrent compressor operation and water heater and/or heat pump manufacturer. specified stoage capacityrofless than 2istive heating, or (2) concurrent operation 2..2 Natura s. Maintathesupply

1.8.2 as nstantaneous WaterHeater Otherwise, separate circuits shall be used by pressure is not specified, maintain a supply

meansawater h teter that uses gasas the the resistive elements and the heat pump pressureof 7 to 10inches ofwater column energy source, initiates heating based on components. A heatpump water heater may (1.7 Kpa to 2.5 Kpa). Iftwater uheat i sensing water flow, isdesigned to deliver be an integral type or an add-on type.7 Kpa to 2.5 Kpa). fthewater heater is water at a controlled temperature ofless than a. Integral heat pump water.heater-An equipped wth a gas appliance pressure 180OF (820C), has an input greater than to-waterheatum tealwiregulator, theregulator outlet pressure shall to-water heat pumpintegral with an 50,000 Btu per hour (53 MJ per hour) but less insulatedstoragetanbe within 10% ofthe manufacturer's than 200,000 Btu per hour (210 MJ per hour), b. Add-on heat pump water heater-An air specified manifold pressure. Use natural gas and has a manufacturer's specified storage to-water heat pump designed for use with a having a higher heating value of capacity of less than 2 gallons (8liters). The heat pump water heater storage tank approximately 1,025 Btu per standard cubic unit may use a fixed or variable burner input. 1114 OilStorage WaterHeatermeansa foot (38190 KJ per standard cubic meter).

1.8.3 Ol InstantaneousWaterHeater water heater that uses oil as the energy 2.6.3 PropaneGas.Maintain the supply

means a water heater that uses oil asthe source, is designed to heat and store water at pressure inaccordance with the energy source, initiates heating based on a thermostatically controlled temperature of manufacturer's specifications. Ifthe supply sensing water flow, is designed to deliver less than' 1800F (82°C), has a nominal energy pressure is not specified, maintain a supply water at a controlled temperature of less than input of 105;000 Btu/hr (110 MJ/hr) or less, pressure of 11 to 13 inches ofwater column 180°F (82°C), has an input greater than and has a manufacturer's rated storage (2.7 kPa to 3.2 kPa). Ifthe water heater is 50,000 Btu per hour (53 MJ per hour) but less capacity of50 gallons (190 liters) or less. equipped with a gas appliance pressure than 200,000 Btu per hour (210 MJ per hour), 1.11.5 SolarWaterHeater means a water regulator, theregulator outlet pressure shall and has a manufacturer's specified storage heater that is designed to obtain at least half be within ±10% ofthe manufacturer's capacity of less than 2 gallons (8 liters). The ofthe annual energy for heating water from specified manifold pressure. Use propane gas unit may use a fixed or variable burner input. the sun. with.a higher heating value ofapproximately

1.9 RecoveryEfficiencymeans the ratio of 1.12 ASHRAE Standard41.1-86 means 2.500 Btu per standard cubic foot (93kJ per energy delivered to the water to the energy the standard published in 1986 by the standard cubic meter). content of the fuel consumed by the water American Society of Heating, Refrigerating 2.6.4 FuelOlSupply. Maintain an heater. and Air-Conditioning Engineers, Inc. and uninterrupted supply of fuel oil. Use fuel oil

1.10 Standby means the time during titled Standard Measurement Guide: Section having a heatingvalue ofapproximately which water is not being withdrawn from the on Temperature Measurements; 138,700 Btu per gallon (38,660 kJ per liter). water heater. There are two standby time 1.13 ASTM-D-2156-80 means the test intervals used within this test procedure: standard published in 1980 by the American stmetaton T*byr, represents the elapsed time between the Society ofTesting and Measurements and 3.1 Pressure Measurements.Pressure time atwhich the maximum mean tank titled Method for Smoke Density in Flue measuring instruments shall have an error no temperature is observed after the sixth draw Gases from Burning Distillate Fuels. greater than the following values:

1 , ' * * ' ' * ' " '- ' " " '

· r , . 

## 15340 Federal Register / 

### Vol. ,60, 

### No. 56 

### I Thursday, March 23, i995 / 

### Proposed Rules

fully heated (I.e., all thermostats satisfied). For instantaneouSwaterheaters, first hour rating designates the maximumvolume of hot water that

### can be supplied during any hour. 1.6 HeatPump WaterHeater Storase Tank is an insUlated tank designed, wired and labeled for use exclusively with an addonheat pump water heateror solarwater· heater and being.unable to operate without

anadd-on heat pump waterheaterorsolar waterheater. The heat pump water heater storage tankmay containone ortwo thermostats 

### and upto twei electric resistance heatingelements, and has a manufacturer's rated capacity of 120 gallons (450 liters) or

. less. When teSted with the add-on heatpump water heater or sol8r water heater

. and subsequentrecovery and the end ofthe 24-hc;>ur test; 'tolby,l represents the total time during the 24-hour simulated wie testwhen waterwas not beingwithdraWn from the water heater. " I.IIStorase-Type WaterHeaters.

.
· 1.11.1 Electricstorage waterheatermeans a waterheater that uses electricity as the

. energy source, isdesigned to heat and store waterat a thermostatlciilly·controlled temperature o(less than 180°F (82°C), has a nom1n:al inputof 12 kUowatts or, less; and has
a manufacturer'srated storage capacity of 120 gallons (450 liters) or less.

1.11.2 Gas Storage Water Heatermeans a water heater that uses gas as the energy source, isdesignedto heat and store,water at
a thermostatically controlled teniperature of less than 180°F (82°C), has a nomtnal input of75,000 Btu per hour (79 

### MJ per hour) or inoperative, the heatpump waterheater storage tank shall have anenergy factor that is determtned in accordance with the test procedure for .waterheaters. , less,and has a nianufacturer's rated storage' capacityof 100 gallons (380 liters) orless. 1.7.' Heat Trap means a device which can beintegrally connected or independently

. attached to the hotand/or cold water pipe
, connections ofa water heater suchthat the device will develop a thermal ormechanical sealto mtntmtze the recirculationofwater' due to thermal convection between the water heater tankand its connectlng pipes. '.

1.8

. Instantaneous"Type WaterHeaters. 1.8.1 ElectricInstantaneous WaterHeater ,means a water,heater that uses electricity as

.the energy source, inttlatesheatingbased on

. sensing Water flow, is designed todeliver. water at a controlled temperature ofless than 180°F (82°C), has a maximum input ofl2 kUowatts or less, and has a manufacturer's Specified storage capacity ofless than 2 gallons (8 liters). The unit may use a fixed

or variable power input.

1.8.2 Gas Instantaneous WaterHeater

means a water heater that uses gas as the energy source, inttlates heating based on sensingwater flow, is designed to deliver

. water at a controlled temperature ofless than 180°F (82°C), has an input greater than 50,000 Btu per hour (53 

### MJ per hour) butless than 200,000 Btu per hour (210 

### MJ per hour), and has a manufacturer's spectfled storage capacity ofless**~** 2 gallons (8 liters). The unit may use a fixed or variable burner input. '

1.8.3 

# au Instantaneous Water Heater
meansa water heater tlult uses oU as the energy source, initiates heating based on sensing**wa~er** flow, is designed to deliver water :at a controlled temperature ofless than 180°F (82°C), has art input greater than 50,000 Btu perhour (53 

### MJ per hour) but less than 200,000 Btu per hour (210 

### MJ per hour), and has a manufacturer's spectfled storage capacity ofless than 2 gallons (8 liters). The unit may use a fixed or variable burnerinput. 1.9 Recovery Efficiencymeans the ratio of energy deUvered to the water to the energy content ofthe fuel consumed by die Water heater. 1.10 Sr:.rmdby means the time during whichwater is not being withdrawn from the water heater. There are twostandby time intervals used within this test procedure: 't....,..1 represents the elapsed time betweenthe time at which the maXimum mean tank temperature is observed after the sixth draw 1. n.3 HeatPump WaterHeatermeans a water heater that uses electricity as the energy source, is designed to heatand store

·water at a thermostatically controlled temperature ofless than 180°F (82°C), has a

·**maxini~** current rating of24 amperes (includes the compressorand all auxlltary equipment !!uch as fans, pumps, and cOntrols, and ifonthe same circuit, any resistiveelements) for an inputvoltage of250 vOlts or less, and, ifthe tank is supplied, has

. · a manufacturer'srated storage capacity of 120 gallons (450 liters) or less. Resistive.elements used to.provlde supplementalheating

### may

. use the same circuitas the compressor if(I) An intedocktng mechanismprevents concurrentcompressor operation and resistiveheating, or (2) concurrentoperation
, does not.result inthe maximum current rating of24 amperes beingexceeded. Otherwise, separate circuits sh:all be used by the resistive elements and the heat pump components:A heat pumpwater heater may be an integral type or an add-on type.

. a. Integral heat pump water.heater-AnaIrto-water heat pumpintegralwith an insulated storage tank.

b.·Add-on heat pump water heater-AnaIrto-water heat pumpdestgned for usewith a heat pumpwater heater storage tank.

L11.4 

# on Storage Water**He~er**

### means a water heater that uses oU 

## as the energy source, is designed to heat and store water at
a thermostatically controlled temperature of less than-180°F (82°C), has a nominal energy inputof 105;000BttiIhr (110 

### MJIhr) or less, and has a manufacturer's rated storage capacityof50 gallons (190 Uters) or less.

I.

### 1:1 .5 Solar WaterHeatermeans a water heater that is designed to obtainat least half ofthe annualenergy for heatingwater from the sun.

1.12 A5HRAEStandard 41.1-86means the standard publishedin 1986 by. the American S<idety ofHeating, Refrigerating and Air-Conditioning Engineers, Inc. and
, 'titled Standard Measurement Guide: Section

on Temperature Measurements; 1.13 ASTM-D-2156-80meansthe test
• standard**publish~** in 1980 by the American Society ofTesttng and Measurements**an~** titled Method for.Smoke DensitYinFlue Gases from BurningDistillate,Fuels. ' 1.14 Ratfid Storage Volume means the

. water storage capacity ofa water heater, in

gallons (liters). as spectfled by the manufacturer.
2. Test Conditions

2.1 Installation Requirements. Tests shall beperformed With the water heater and
, instrumentationinstalled in accordance with Section 4 ofthis appendix.

2.2 AmbientAir Temperature. 

### The ambient air tempera,ture

### shall be controlled to a valuebetween 65.00F and 70;0°F (18.3°C and 2LloC) onacontinuousbasis. Forheat.: pump water heaters, the dry bulb temperature.sh:all be m8tntalnedat 67.5°F:t

. .IOF (I9.7°C:t0.6°C) and, 

## maddition, the'

. relative humidity sha1I be maintained betvyeen 49 and 51 percent. r

2.3 Supply Water Temperature. The temperatUre ofthewater being supplied.to the water heater shallbe maintained at 58°F:t 2"F (l4.4°C:tI.l°C) throughout the test.

2.4 Storage Tank Temperature. The average temperature ofthe water within the storage tanksh:all be setto 135°F:t5°F (57.2°C:t2.8°C).



### 2.5 Supply Water Pressure. Duringthe test**w~n** water is not being vvithdrawn, the supplypressure sha1I be maintained between 40 psig (275 kPa) and the maximum allowable pressure spectfled bythe water heater manufacturer

.

.2.6 Electrical and/orFossil Fuel Supply. 2.6.1 Electrical. Maintain the electrical supplyvoltage to within:tl percent ofthe

, center ofthe voltage range spectfled by the water heater and/or heatpumpmanufacturer.

2.6.2 Natural Gas. Maintain the supply pressurein accordance with the
, manufacturer's spectflcations. 

### Ifthe supply pressure is**no~** spectfled, maintain a supply pressure of7 to 10 inches ofwatercoJumn (1.7 Kpa to 2.5 Kpa). Hthe water heater is equipped with a gas appllarice pressure regulator, the regulator outletpressure shall be within :t10% ofthe manufacturer's spet:tfled manifold pressure. Use natural gas having a higher heatingvalue of approximately 1.025 Btu per standard cubic foot (38190 

### KJ perstandard cubic meter).

. 2.6.3 Propane Gas. Maintain the supply

pressure inaccordance with the manufacturer's spectflcations. Hthe supply pressure isnot spectfled, maintain a supply pressure of II to 13 inches ofwater column (2.7 kPa to 3.2 kJla). Hthe water heater is equipped witha gas applianCe pressure regulator, the regulator outlet pressure shall bewithin:t1O% ofthe manufacturer's '. spectfled manifoldpressure. Use propane gas wlth.ahigher heating value ofapproximately 2,500 Btu perstandard cubic foot (93 kj per standard cublc meter).'

.

2.6.4 Fuel Oil Supply. Maintain an uninterrupted supply offuel 011. Use fuel oU having a heattngvalueofapproximately 138,700 BtU per gallon (38,660kj per liter)

.. 3. Instrumentation

.

3.1 PressureMeasurements. Pressure

. measuringinstrUments shallhave an'error no greater than

### tilt! following values: ; .

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15341

Item measured Instrument accuracy Instrument precision
Gas pressure

....................... 0.1 inch of water column (±0.025 kPa)

....................... 0.05 inch ofwater column (± 0.012 kPa). Atmospheric pressure

......... ±0.1 inch of mercury column (±0.34 kPa)

.................... ± 0.05 inch of mercury column (±0.17 kPa). Water pressure

.................... ± 1.0 pounds per square inch (± 6.9 kPa)

...................... ± 0.50 pounds per square inch (±3.45 kPa).

3.2 TemperatureMeasurement. with the Standard Measurement Guide: 3.2.2 AccuracyandPrecision. The 3.2.1 Measurement.Temperature Section on Temperature Measurements, accuracy and precision of the instruments, measurements shall be made in accordance ASHRAE Standard 41.1-86. including their associated readout devices, shall be within the limits as follows:

Item measured Instrument accuracy Instrument precision


### Air dry bulb temperature

........................................ ........................................................................ ±0.2 °F (±0.1 C).....C). Air wet bulb temperature

........................................ ........................................ ±0.2 °F (±0.1 C)..... ± 0.1 F (± 0.06 C). Inlet and outlet water temperatures

.................................................................... 0.2°IF 0.1 IC)...... ± 0.1 F ( 0.06 °C). Storage tanktemperatures

.................................... ;.

..................................... 0.5 °F (± 0.3 °C)

..... ± 0.25 IF (±0.14 C).

3.2.3 ScaleDivision.In no case shall the 3.8 Time. The elapsed time lines to outside ofthe Jacket or cabinet, type smallest scale division of the instrument or measurements shall be measured with an "L" hard copper tubing shall be used to instrument system exceed 2 times the instrument that is accurate within ±0.5 extend the water line horizontally to the specified precision. seconds per hour. exterior ofthejacket or cabinet. Unions may

3.2.4 TemperatureDifference. 4. nst t be used to facilitate installation and removal Temperature difference between the entering ofthe piping arrangements. A pressure gauge and leaving water may be measured with any 4.1 WaterHeaterMounting. A water and diaphragm expansion tank shall be of the following: heater designed to be free standing shall be installed in the supplywater piping at a

a. A

thermopile installed according to the manufacturer's location upstream ofthe 24-inch (61 b. Caibrated resistance therm *ometers directions on a /4 inch (2 cm) thick plywood centimeters) cold water inlet pipe. An

. Precisiond r thermometers platform supported by three 2x4 inch (5 appropriately rated pressure and temperature cmx 10 cm) runners. Ifthe water heater is not reliefvalve shall be installed on all water d. Calibrated thermistors approved for installation on combustible heaters at the port specified by the
e. Calibrated thermocouple flooring, suitable non-conibustible material manufacturer. Discharge piping for therelief l. Quartz thermometers shall be placed between it and the platform. valve shall be non-metallic. Ifheat traps and/

3.2.5 Thermopile Construction. Ifa For heat pump water heaters without a or piping insulation and/or pressure relief thermopile is used, it shall be made from storage tank supplied by the manufacturer, valve insulation are supplied with the water calibrated thermocouple wire taken from a connections shall be made with a storage heater, they shall be installed for testing. single spool. Extension wires to the recording tank as described in section 4.10 and in Clearance shall be provided such that none device shall also be made from that same accordance with manufacturer-published of the piping contacts other surfaces in the spool. installation instructions. The storage tank test room.

3.2.6 Time Constant.The time constant of and heat pump section shall be placed on 4.4 Fueland/or Electrical Powerand the instruments used to measure the inlet platform(s) constructed as previously Energy Consumption.Install one or more and outlet water temperatures shall be no described. If installation materials are not instruments which measure, as appropriate, greater than 5 seconds. provided by the heat pump manufacturer, the quantity and rate ofelectrical energy and/

3.3 LiquidFlow Measurements. The use uninsulated 8 foot (2.4 m) long or fossil fuel consumption in accordance accuracy of the liquid flow rate connecting hoses, having an inside diameter with Section 3. For heat pump water heaters measurement, using the calibration if of 5/8inch (1.6 cm). Wall mounted water

·that use supplemental resistive heating, the furnished, shall be equal to or less than ± 1% heaters shall be installed in accordance with electrical energy supplied to the resistive of the measured value in mass units per unit manufacturer-published installation element(s) shall be metered separately from time. instructions on a simulated wall section the electrical energy supplied to the entire

3.4 ElectricEnergy. The electrical energy made from 3/4inch (2 centimeter) plywood appliance orto the remaining components used shall be measured with an instrument and 2x4 inch (5x10 centimeter) studs. (i.e., compressor, fans, pumps, controls, etc.). and associated readout device that are Placement in the test room shall be in an area 4.5 Internal StorageTank Temperature accurate within ±1% of the reading. protected from drafts. Measurements.Install six temperature

3.5 FossilFuels. The quantity of fuel used 4.2 WaterSupply. The water supply shall measurement sensors inside the water heater by the water heater shall be measured with be capable ofdelivering water at conditions tankwith a vertical distance of at least 4 an instrument and associated readout device as specified in sections 2.3 and 2.5. inches (10 centimeters) between successive that is accurate within ±1% of the reading. 4.3 WaterInletand Outlet Configuration. sensors. A temperature sensor shall be

3.6 Mass Measurements.For mass Inlet and outlet piping connections shall be positioned at thevertical midpoint of each of measurements greater than or equal to 10 configured as illustrated in Figures 1,2, or the six equal volume nodes within the tank. pounds (4.5 kg), a scale that Is accurate 3. For water heaters that are 36 inches (91 Nodes designate the equal volumes used to within ±1.0% ofthe reading shall be used to centimeters) or less in height and intended evenly partition the total volume ofthe tank. make the measurement. For mass for installation either beneath, adjacent to, or As much as is possible, the temperature measurements less than 10 pounds (4.5 kg), in conjunction with a counter (commonly sensor should bepositioned away from any the scale shall provide a measurement that is referred to as an under-the-counter ortable- heating elements, anodic protective devices, accurate within ±0.1 pound (±0.045kg). top model), the inlet and outlet connections tank walls, and flue pipe walls. Ifthe tank

3.7 Heating Value. The higher heating shall be configured as illustrated in Figures cannot accommodate six temperature sensors value of the natural gas, propane, or fuel oil 4a and 4b. Type "L" hard copper tubing, the and meet the installation requirements shall be measured with an instrument and same size as the connections onthe water specified above, install the maximum associated readout device that is accurate heater, shall be connected to the tank and number ofsensors which comply with the within ±1% of the reading. The heating value extend 24 inches (61 centimeters) in length. installation requirements. The temperature of natural gas and propane must be corrected Ifan under-the-counter type water heater is sensors shall be installed either through (1) for local temperature and pressure not factory equipped with pipe to extend the the anodic device opening; (2) the reliefvalve conditions. field connection point of the water heater opening; or (3)the hot water outlet. If 

### Federal Register' / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 

## 15341

Item measured Instrument accuracy Instrument precision

. Gas pressure

....................... ± 0.1 inch otwater column (± 0.025 kPa)

..................,.... ± 

### 0.05 inch of water colurm (± 0.012 kPa). Atmosphetic pressure

......... ± 0.1 inch of mercury column (± 0.34 kPa)

.................... ± 0.05 inch of mercury colurm (± 0.17 kPa). Water pressure

.................... ± 1.0 pounds per square inch (± 6.9 kPa)

...................... ± 0.50 pounds per square inch (± 3.45 kPa).

3.2 TemperatureMeasurement. 3.2.1 Measurement. Temperature measurements shall be made in accordance with the Standard Measurement Guide: Sectionon Temperature Measurements, ASHRAE Standard 41.1-a6. 3.2.2 Accuracyand Pff;c1s10n. The accuracy and precision ofthe instruments, including their associated readout devices, shall be within the llmits as follows:

Item measured Instrument accuracy Instrument precision

Air dry bulb temperature

......................................................................... ......................................... ± 0.2 

### OF (± 0.1 °C)

..... ± 0.1 

### OF (± 0.06 °C). Air wet bulb temperature

.........................................................:..............

......................................... ± 0.2 

### OF (± 0.1 °C)'

..... ± 0.1 

### OF (± 0.06 °C). Inlet and oudet water temperatures

........................................................................ ........................ ± 0.2 

### OF (± 0.1 °C)

..... ± 0.1 

### OF (± 0.06 °C). Storage tank temperatures

........................................................................ ..................................... ± 0.5 

### OF (± 0.3 °C)

..... ± 0.25 

### OF (± 0.14 °C).

3.2.3 Scale Division. In no case Shall the smallest scale division ofthe instrument or instrument system exceed 2 times the specified preCision.

.

3.2.4 Temperature Difference. Temperature difference betweenthe entering and leaving water may be measured with any ofthe following:

a. A thermopUe b. Calibrated resistance thermometers

c. Precision thermometers d. Calibrated thennistors

e. Calibrated thermocouple f. Quartz thermometers

3.2.5 Thermopile Construction. Ifa thermopile is used, itshall be made from calibrated thermocouple wire taken from a single spool. Extension wires to the recording device shall also be made from that same spool.

3.2.6 T1rne Constant. The time constant of the instruments used to measure the inlet and outlet water temperatures shall be no greater than 5 seconds.

3.3 Liquid FlowMeasurements. The accuracy ofthe liqUid flow rate measurement, using the calibrationif furnished, shall be equal to or less than± 1 % ofthe measured value in mass units per unit time.

3.4 Electric Energy. The electrical energy used shall be measured with an instrument and associated readout device that are accurate within ±l% ofthe reading.

3.5 Fossil Fuels. The quantity offuel used by the water heater shall be measured with
an instrument and associated readout device that is accurate within ±1% ofthe reading.

3.6 Mass Measurements. For mass measurementsgreater than orequal to 10 pounds (4.5 kg), a scale that is accurate within ±1.0% ofthe reading shall be used to make the measurement. For mass measurements less than 10 pounds (4.5 kg), the scale shall provide a measurement that is accurate within ±D.1 pound (±D.045 kg).

3.7 Heating Value. The higher heating value ofthe natural gas, propane, or fuel oil shall be measured with an instrument and associated readout device that is accurate within ±1 % ofthe reading. The heating value ofnatural gas and propane must be corrected for local temperature and pressure conditions.

.. 3.8 T1rne. The elapsed time measurements shall be measured with an instrument that is accurate within ±D.5 secondsper hour. 4. Installation

4.1 Water Heater Mounting. A water heater designed to be free standing shall be installed according to the manufacturer's directions on a 0/4 inch (2 em) thick plywood platform supponed by three 2x4 inch (5
emx 1 0 cm) runners. Ifthe water heater is not approved for installation on combustible flooring, suitable non-combustible material shall be placed betweenit and the platform. For heat pump waterheaters without a storage tank supplied by the manufacturer, connections shall be made with a storage tank as described in section 4.10 and in accordance with manufacturer-published installation instructions. The storage tank and heatpump section shall be placed on platform(s) constructed as preViously described. Ifinstallation materials are not provided by theheatpumpmanufacturer,
use uninsulated 8 foot (2.4 m) long connecting hoses, havingan inside diameter ofsAl inch (1.6 cm). Wall mounted water heaters shall be installed in accordance with manufacturer-published installation instructions on a simulated wall section made from 3/4 inch (2 centimeter) plywood and 2x4 inch (5xl0 centimeter) studs. Placement in the testroom shall be in an area protected from drafts'.

4.2 Water Supply. The water supply shall be capable of delivering water at conditions
as specified in sections 2.3 and 2.5.

4.3 Water Inlet andOuUet Conllguration. Inlet and outlet piping connections shall be configured as illustrated in Figures 1, 2, or 3. For water heaters that are 36 inches (91 centimeters) or less in height and intended for installation either beneath, adjacent to, or in conjunction with a counter (commonly referred to as an under-the-counter ortabletop model), the inlet and outletconnections shall be configured as illustrated in Figures 4aand 4b. Type "L" hard coppertubing, the.
same size as the connections on the water heater. shall be connected to the tank and extend 24 inches (61 centimeters) in length. Ifan under-the-counter type water heater is not factory equipped with pipe to extend the field connection pointofthewater heater lines to outside oftheJacket or cabinet, type "L" hard coppertubing shall be used to

. extend the water line horizontally to the exterior ofthejacketor cabinet. Unions may be used to facilitate installation and removal ofthe piping arrangements. A pressure gauge and diaphragm expansiontank shall be installed in the supply water piping at a location upstream ofthe 24-inch (61 centimeters) cold water inlet pipe. An appropriately rated pressure and temperature reliefvalve shall be installed on all water heaters at the ponspecified by the manufacturer. Discharge piping for the rellef valve shall be non-metallic. Ifheat traps and/
or piping insulation and/or pressure relief valve insulation are supplied with the water heater, they shall be installed for testing. Clearance shall be provided such that none ofthe piping contacts other surfaces in the test room.

4.4 Fuel and/orElectrical Power and Energy Consumption. Install one or more instruments which measure, as appropriate. the quantity and rate ofelectrical energy and/

. or fossil fuel consumption in accordance with Section 3. For heat pump water heaters

. that use supplemental resistive heating, the

electrical energy supplied to the resistive element(s) shall be metered separately from the electrical energy supplied to the entire appliance or to the remaining components (Le., compressor, fans, pumps, controls, etc.).

4.5 Internal Storage Tank Temperature Measurements. Install six temperature measurement sensors insidethe water heater tankwith a vertical distance ofat least 4 inches (10 centimeters) between successive
sensors. A temperature sensor shall be positioned atthe vertical midpoint ofeach of the sixequalvolume nodes within the tank. Nodes designate theequal volumes used to evenly partition the total volume ofthe tank. As much as ispossible, the temperature
sensorshould bepositioned away from any heating elements, anodic protective devices, tankWalls, and flue pipe walls. Ifthe tank cannot accommodate six temperature sensors and meet the installation reqUirements specified above, install the maximum number ofsensors which comply with the installation requirements. The temperature
sensors shall be installed either through (1) the anodic device opening; (2) the reliefvalve opening; or (3) the hot water outlet. If

### 15342 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

installed through the reliefvalve opening or and itno longer extends into the top ofthe installed on top of the tee fitting. Added the hot water outlet, a tee fitting or outlet tank, a substitute reliefvalve that has a fittings shall be covered with thermal piping, as applicable, shall be installed as sensing element that can reach into the tank insulation having an Rvalue between 4 and close as possible to Its original location. Ifthe shall be installed. Ifthe hotwater outlet 8 hr.ft2.*F/Btu (0.7 and 1.4 m 2.OC/W). reliefvalve temperature sensor is relocated, includes a heat trap, the heattrap shall be. MLuIN CODE 

### S64-oi-

· To

L r 

# Tl11 r



### Ex~fliten M 

### aki

*' " .. *.
., . . ..

T , o

Figure 

### To _o T or

Wltrmo~ r w r 

### ' _* | : Figure 2



### To Scoal or



## wValv

Fig. Sura 3 

## 15342 Federal RegiSter /Vol.60, No. 56/ Thursday, March 23,' 1995 / Proposed Rules /

installed through,the reliefvalve opening or the hot wateroutlet; a tee fitting oroutlet pip1r1g. as applicable. shall be installed as close aspossible to itsoriginallocat1on. Ifthe

, reliefvalvetemperature sensOr isrelocated,

'/ 

### To

....or 

# • and itno longer extendsinto the top ofthe 

### tank. a substitutereliefvalve that has a sensingelementthatcanreach into the tank shall be installed. Ifthe hot,wateroutlet' includes a heattrap. 

### the heattrap shall

### be



## Teur

P1pnl



## Tour

Piaure 2

",,;-'7'!III!'I+



### ftsura 3, installed on top ofthe tee fitting. Added fittings shall be covered withthermal insulation having an Rvalue between 4 and,' 8 hr·ft2.oFlBtu (0.7 and 1.4 m2 .oCIW).
BILLING CODE**~**

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15343



## _ _ _ _ m



# "Water Suppl Edpaisjon y asn 

# Tank

Figure 4b.

BILLING CODE 6450-01-C 

# ·
,,

# f 

# 3I. '-! 

# 1 2 l 

# 4

Figure 4b.

BILUING CODE 645:.01.C 

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 

## 15343



# ,

# ...

# -

....**~,** 

# '-------,

I " • t· 

# 'I 'I I' , I I**~-** 

# .. , I

.

### ~ 

# .

# "

Figure 4a.



# ,

# ...

# -

....

# ,**~** " 

# 1------, I·, I ' I 

# I I 

# Exp8nsion, Tank 'Water Supply 

# Main

.

To Scale 

# or


# wa.rmeter I ' I 

# I ,--, I,. IS- 

# •**~** 

# ,. Tour nuw, 

# ==::::;:;:==::;i=i====:!:::;P:i===' "

.........

Figure 

# 4b.

BlWNG CODE 6450-01-C

## 15344 Federal Register / Vol. 60, No. 56 / Thursday,'March 23, 1995 / Proposed Rules

4.6 Ambient Temperature.The ambient completely filled with water (with all air per minute (11.4±0.95 liters per minute) for air temperature shall be measured eliminated and line pressure hpplied as unitswith rated storage capacities of 20 approximately at the vertical mid-point of the described in section 2.5) and dividing the gallons (76 liters) or more and 1.0±0.25 water heater and approximately 2 feet (60 resulting net weight by the density of water. gallons per minute (3.8±0.95 liters per centimeters) from the surface ofthe water Density shall be evaluated based on the minute) for units with rated storage heater. The sensor shall be shielded against temperature of the stored water. capacities less than 20 gallons (76 liters). radiation. 5.1.2 Setting the Thermostat fora Collect the water in a container that is large

4.7 Inlet andOutlet Water Temperature ThermostaticallyOperatedWater Heater. enough to hold the volume removed during Measurements.Install temperature sensors in Starting with a tank ofsupply water, initiate an individual draw and suitable for weighing the cold-water inlet pipe and hot-water outlet normal operation ofthe water heater. After at the termination ofeach draw. pipe as shown in Figures 1, 2, 3, or 4a and cutout, determine the mean tank temperature Alternatively, a water meter may be used to 4b, as applicable. (based on all of the in-tank sensors) every directly measure the water volume(s)

4.8 FlowControl.A flow control valve minute until the maximum value is observed. withdrawn. shall be installed to provide flow as specified Determine whether this maximum value for 5.1.4.2 DrawInitationCriterion.Begin in Section 5. the mean tank temperature is within the the first hour rating test by Imposing a draw

4.9 FlueRequirements. range of 135°F5°F (57.2°C±2.8C). Ifnot, onthe storage-type water heater. After 4.9.1 Gas-FiredWaterHeaters. Establish a turn offthe water heater, adjust the completion ofthis first draw, initiate natural draft in the following manner. For thermostat, and refill the tank with supply successive draws based on the following gas-fired water heaters having a vertically water. Then, initiate normal operation of the criteria. For gas- and oil-fired water heaters, discharging draft hood outlet, a 5-foot (1.5 water heater, and once again determine the initiate successive draws when the meter) vertical vent pipe extension having a maximum mean tank temperature after cut- thermostat acts to reduce the supply offuel diameter equal to the largest flue collar size out. Repeat this sequence until the maximum to the mainburner. For electric water heaters ofthe draft hood shall be connected to the mean tank temperature after cut-out is within having a single element or multiple elements draft hood outlet. For gas-fired water heaters the range of 135°F+50 F (57.2°C±2.8C). that all operate simultaneously, initiate having a horizontally discharging draft hood I an eletric water heater has two ormore successive draws when the thermostat acts to outiet, a 90-degree elbow having a diameter thermostats, the thermostat that controls the reduce the electrical input supplied to the equal to the largest flue collar size ofthe draft upper-mot heating element shall beset firt element(s). For electric water heaters having hood shallbe conneca maximum water temperature of two or more elements that do not operate outlet. A 5-foot (1.5 meter) length ofvent 135F±5F (57.25C±2.80C). as measured by simultaneously, initiate successive draws pipe shall be c eted tonth ow and the in-tank sensors that are positioned above when the applicable thermostat acts to pipenshallbe connected to the elbow and the upper-most heating element. Thent oriented to discharge verticallyupward. h re d uc e rs a t the contr ol the heelement Dirented to discharge verticaly uward. thermostat that controls the heating element located vertically highest in the storage tank. Directventgas-fired water heaters shall be i positioned next highest in the tank shall then For heat pump water heaters that do not use installed with venting equipment specified in be set to yield a maximum water temperature at er he thatdo notuse the manufacturer's instructions using the of 135°F±5°F (57.2°CI±2.8C). This process supplemental resistive heating,initiate minimumvertical and horizontal lengths of shall be repeated until the thermostat successive draws immediately after the vent pipe recommended by the manufacturer.controlling the lowest element is correcl electrical input to the compressor is reduced vent pipe recommended by the manufacturer controlling the lowest element is correctly the action ofthe water heater's thermostat. 4.9.2 Oil-Fired WaterHeaters. Establisha adjusted When adjusting the thermostat thatb When thedthermostat.that by the aution ofthe theater's thermosat. draft at the flue collar as specified in the controls he lowestelement, the maximum Forheat pump water heaters that do use manufacturer's literature. Establish the draft mean tank temperature after cut-out as supplemental resistive heating, nitiate by using a sufficient length ofvent pipe determined using all the in-tank sensors, successive draws immediately after the connected to the water heater flue outlet and shall be within 135°F±5°F (57.2°Ci2.8°C). electrical input to the compressor or the directed vertically upward. For an oil-fired When adjusting all other thermostats, use uppermost resistive element is reduced by water heater having a horizontally only the in-tank temperature sensors the action of the applicable water heater discharging draft hood outlet, a 90-degree positioned above the heating element in thermostat. This draw initiation criterion for elbow having a diameter equal to the largest question to evaluate the maximum water heat pump water heaters that use flue collar size of the draft hood shall be temperature after cut-out supplemental resistive heating, however, connected to the draft hood outlet. A length For heat pump water heaters, which shall only apply when the water located of vent pipe sufficient to establish the draft. control an auxiliary resistance element, the above the thermostat at cut-out is heated to shall be connected to the elbow fitting and thermostat shall beset in accordance with 135Ff5°F (57.2°C±2.8°C). oriented to discharge vertically upward. the manufacturer's nstallation instructions. 5.1.4.3 Test Sequence.Establish normal Direct vent oil-fired water heaters should be 5.1.3 Power Input Determination.For a water heater operation. Ifthewater heater is installed with venting equipment as specified water heaters except electric types having not presently operating, initiate a draw. The in the manufacturer's instructions, using the immersed heating elements, initiate normal draw may be terminated anytime after cut-in minimum vertical and horizontal lengths of operation and determine the power input, P, occurs. Once cut-out occurs (e.g., all vent pipe recommended by the manufacturer. to the main burners (includingpilot light thermostats satisfied), monitor the internal

4.10 HeatPump WaterHeaterStorage power, ifany) after 15 minutes ofoperation. storage tank temperature sensors described in Tank. The heat pump water heater storage Ifthe water heater is equipped with a gas section 4.5 every minute. For each set of tank to be used for testing a heat pump water appliance pressure regulator, the regulator measurements, calculate the mean tank heater without a tank supplied by the outlet pressure shall be set within *10% of temperature. Ifany ofthese mean values are manufacturer shall have a volume of47.0 that recommended by the manufacturer. For outside the range specified in section 2.4, gallons ±1.0 gallon C 180±4 liters with an oil-fired water heaters the fuel pump adjust the thermostat(s) as specified in Energy Factor of0.87±.01 as determined in pressure shall be within ±10% ofthe section 5.1.2 and reevaluate the mean tank accordance with Section 6.1.7 with two 4.5 manufacturer's specified pump pressure. All temperature after all thermostats are again kW heating elements controlled in such a burners shall be adjusted to achieve an satisfied.
manner as to prevent both elements from hourly Btu (kD rating that is within ±2% of Initiate a draw after a maximum mean tank operating simultaneously. the value specified by the manufacturer. For temperature has been observed following cut- -*~ T ,an oil-fired water heater, adjust the burner to out.Record the time when the draw is 5. TestProcedures gie a C2 reading recommended by the initiated and designate it as an elapsed time give a CO2 readingrecommended bythe lapsed time 5.1 Storage-Type WaterHeaters, manufacturer and an hourly Btu (kJ) rating ofzero, (X*

- 0). The superscript *isused to IncludingHeatPump WaterHeaters. that is within ±2% ofthat specified by the denote variables pertaining to the first hour

5.1.1 Determinationof Storage Tank manufacturer. Smoke inthe flue may not rating test. Record the outlet water Volume. Determine the storage capacity, Vst,' exceed No. 1smoke as measured by the temperature beginning 15 seconds after the of the water heater under test, ingallons procedure in ASTM-D-2156-80. draw is initiated and at 5 second intervals (liters), by subtracting the tare weight- 5.1.4 Frst HourRating Test. thereafter, until the draw is terminated. measured while the tank is empty-from the 5.1.4.1 General. During hot water draws, Determine the maximum outlet temperature gross weight of the storage tank when remove water ata rate of 3.00*0.25 gallons that occurs during this first draw and record 

## 15344 Federal Relister / Vol. 60. 

### No. 56 / 

### Thursday,' March 23. 1995 / 

### Proposed Rules

4.6. Ambient Temperature. The ambient 'airtemperature shall be measUJ'!'!d approximately atthevertical mid-point ofthe waterheaterand approximately 2 feet (60 centimeters) from the surface ofthe water heater. 1besensor shall be.shielded against radiation.

4.7 InletandOudet Water Temperature Measurements. Install temperature sensors in

. .the cold-water inlet pipe and hot-wateroutlet

.. pipe asshOwn in FigUres 1, 2, 3, or 4a and

4b, as applicable.

4.B Flow Control. A flow controlvalve shall be installed to provideflow as specified ·in Section S.·

. 4.9 Flue Requirements; 4.9.1 Gas-Fired WaterHeaters. Establish a natural draft inthe following manner. For gas-fired water heaters having a vertically discharging draft hood outlet, as-foot (1.S meter) vertical ventpipe extensionhaving a diameter equal to the largestflue collar size ofthe draft hood shall be connected to the dnift hood outlet. For. gas-fired waterheaters having a horizontally discharging drafthood outlet, a 90-degree elbow having a diameter equal to the**laig~t** flue collar size ofthe draft hOod shall be connected to the draft hood outlet.·A S-foot (I.S meter) length ofvent pipe shall be connected to the elbow and oriented to discharge verticallyupward. Direct vent gas-fired water heaters shall be installed with venting equipmentspedfied in the manufacturer's instructionsusing the minimum vertical·and horizontal lengths of ventpipe recommended by the manufacturer.

4.9.2 Oil-Fired WaterHeaters. Establish a draft atthe flue collar as spedfied in the manufacturer's literature. Establish the draft by using a suffident length ofventpipe connected to the water heater flue outlet and directed vertically upward. For an oil-fired waterheater having a horizontally discharging drafthood outlet, a 90-degree elbow having a diametereqUal to the largest flue collar size ofthe draft hood shall be connected to the draft hoOd outlet. A length ofvent pipe suffidentto establish the draft, shall be connected to the elbow fitting and oriented to discharge vertically upward.
, Direct vent oil-fired waterheaters should be installed with venting equipment as specified in the manufacturer's instructions, using the minimum vertical and horizontallengths of, ventpipe recommended by the manufactUrer.

4.10 ,HeatPump WaterHeater Storil/le

, Tank. The heat pumpwater' heater storage,· tank to be used for testing a heatpumpwater heater without a tank supplied.by the manufacturer shall have a volume of47.0 gallons ±1.0 gallon C IB0±4 liters with an Energy FactorofO.S7±.01 as determined in accordance with Section 6.1.7 with two 4.S kW heating elements controlled in such a manner astoprevent both elementsfrom operatingsimultaneously.
5. TestProcedures

S.1 StoTillle-Type WaterHeaters, IncludingHeatPump WaterHeaters.

5.1.1 Detennmatlon ofStoril/le Tank Volume. Determine the storage capacity, Vst, ' ofthe waterheater under test,·ingallons (liters), by subtracting thetare weightmeasured whilethe tank isempty-from the • gross weightofthe storage tank when completely ruled withwater (with all 

### atr eliminated and linepressure applied as described insection 2.S) and dividing the resUlting netweightby the density ofwater. Density shall be evaluated based on the temperature ofthe stored water. '

S.I;2 Setting the Thermostatfor 

### a Thermostatically Operated WaterHeater. Starting with a tank·ofsupplywater, initiate normal operation'ofthe water he,ater. After, cutout, determine the mean tank temperature (based on all ofthe in-tank sensors) every minute until the maximum value isobserved. Determine whetherthis maximum value for the meantank temperature is within the range of 13SD f±5D F (S7.2D C±2.SD C): Ifnot, tumoffthe water heater, adjust the thermostat, and refill the tankwithsupply water. Then; initiate normal operationofthe water heater, and once againdetemiine the rDaxtmum mean tank temperature after cutout. Repeat this sequence until the maximum
mean tank temperature after cut-outis within the range of 13SD F±SDF (S7.2D C±2.SD C).
•IfaneleCtric water heater has two .or more, thermostats, the thenilostat that controls 

### the upper-moSt heating elementshall be set 

### first toyield a maximum water temperature of 13SD F±5D F (S7.2D C±2.SD C), as measured by the in-tank sensors that are positioned above the upper-mostheating element. The thermostat thatcontrols the heating element positioned next highest inthe. tank shall then be set to Yield a maximum watertemperature of 13SD F±5D F**(S7.2DC±2.S~C).** Thisprocess shall be repeated until the thermostat

. controlling the lowest element iscorrectly adjusted. When adjustingthe thermostat that

. controls the lowestelement, the maximum
mean 

### tank temperature after cut-out, as· determined using all the in-tank sensors, ' shall be within 13SD F±SDF (S7.2DC±2.SDC). WhenadjUsting all otherthermostats, use onlythein-tank temperature sensors positioned above the heatingelementin question to evaluate the maximum water temperature after cut-out.

For heatpumpwater heaters, which control anauXiliary resistanceelement, the

.

,thermostat shallbe setin accordance with

.

, the manufacturer's inStallation instructions. S.I.3 PowerInputDetermination. Forall water heaters exceptelectric types having immersed heating elementS, initiate normal operation and determine d\e power input, p, to the mainburners (includingpUot light power, ifany) after IS riunutes ofoperation. Ifthe water heater isequipped witha gas applliuice pressureregulator, the regulator outlet pressure shall be !Mil within ±10% of that recommended by the manufacturer. For oil-fired water heaterS the fuel pump pressure shall 

### be within±10% ofthe manufacturer's specified pumppressure. All

.burners shall be adjusted to achieve an hOurly Btu (kJ) rating that is within±2% of the value specified by the manufacturer. For 

### ari oil-fired water heater, adjust the burner to give a C02 readingrecommended by the manufacturer and anhourly Btu (kJ) rating thatis within±2% ofthat specified by the manufacturer. Smoke 1n the flue may not 

### exceed No. 1 smoke as measured bythe procedure in ASTM-D-21S6-SO.

S.1.4

. FlrstHourRatingTest. S.1.4.1 General. Durtng hotwater draws,
remove waterata rate of3.00±0.2S gallons perminute (I 1.4:I:D.9Sliters per minute) for units withrated storage capacitieS of20

, gallons (76**li~rs)** ormoreand 1.0:i:0.2S

gallons per minute (3.8:tO.9S liters per minute) for units with**rated~orage** capacities less than20 gallons (76 liters). Collect the waterin a containerthatis large

.enoughto hold the volume removed during
anindividual draw and suitable for weighing atthe terminationofeachdraw. Alternatively, a watermetermay be used to directly measure the watervolume{s) withdrawn. ,S.1.4.2 DrawInItiation Criterion. Begin the first hourrating test by imposing a draw
onthestorage-typewaterheater. After completion ofthisOrstdraw, initiate successive draws

### based onthe following criteria. Forgas- and oU-fired waterheaters, initiate successive drawswhenthe thermostat acts to reduce the supply offuel to the malnburner. For electric waterheaters having a single ,element ormultiple elements that all operate simultaneously, initiate successive drawswhenthe thermostat acts to reduce the electrical input suppUed to the element{s). For electric water heaters having tWo or more elementsthatdo not operate simultaneously, initiate successive draws whenthe applicable thermostat acts to reduce the electrical input to the elel1lent locatedverticallyhighest in the storage tank. Forheatpumpwaterheaters that do notuse supplemental reSistive**hea~g,** initiate successive draws immediately after the electrical inputto the compressor is reduced by the actionofthe**wa~r** heater's thermostat. Forheatpump water heaters thatdouse supplemental**reS~tive** heating, initiate successive draws immediately after the
.,

. electrical inputto the**co~pressor** orthe uppermost resistive element

### is reduced by the action ofthe appUcable waterheater thermostat. Thisdrawinitiation criterionfor

, heatpump water heaters that use

supplemental resistive heating, however, shall only apply whenthe waterlocated above thethermostat at cut-out isheated to 13SD F ±SDF (S7.2D C±2.SDC).
, S.1.4.3 TestSequence. Establish normal :waterheateroperation.·Ifthewaterheater is notpresently oPerating, initiate a draw. 1be draw may be terminated anytime aftercut-in
occurs. Once cut-out occurs (e.g., all thermostats satisfied), monitor the internal storage tank temperature sensorsdescribed in section4.S everyminute. For each setof measurements" calculate the mean tank temperature. Ifany ofthese mean values are outside therarige specified in section 2.4, adjust the thennostat{s) cis specified in section S.1.2 and reevalliate the mean tank' temperature after all thermostats are agaln satisfied.

Initiate a draw after a maximum mean·tank temperature has been observed folloWing cut- \ out. Record the time whenthe drawis initiated and designate itas anelapsed time ofzero, (,;.

- 0). The superscript 

### * is used to denote, variables pertainingto the Orst hOur rating test. Record the outletwater

,temperature beginning IS seConds after the drawis initiated and at S second intervals thereafter, until the drawis terminated.' Determine,the maximumoutlet temperature thatoccurs during this Orst draw and record

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15345

it asT*m,i,. For the duration of this first pressure as described in section 2.5. Turn on T,i,. and the energy consumed by a gas or

· draw and all successive draws, in addition, the water heater and associated heat pump oil water heater, Qr. For heat pump water monitor the inlet temperature to the water unit, if present. After the cutout occurs, heaters, the total electrical energy consumed heater to assure that the required 58°F±2°F measure the mean tank temperature using the by the heat pump (including compressor, fan, (14.4°C ± 1.1°C) test condition is met. temperature sensors described in section 4.5 controls, pump, etc.) and, Ifapplicable, by Terminate the hot water draw when the every minute until the maximum mean the resistive element(s) during the first outlet temperature decreases to T'm.,

- storage tank temperature is achieved. If this recovery shall be recorded as Qr. In addition, 25°F (T*i, -13.9 0C). Record this maximum mean temperature is outside the the total operating time ofthe compressor temperature as T*,-i 1. Following draw range specified in section 2:4, adjust the during the first recovery shall be determined termination, determine the average outlet thermostat(s) as specified in section 5.1.2 and and recorded as rpi. Finally, for heat pump water temperature and the mass or volume reevaluate the mean tank temperature after water heaters that use resistive heating removed during this first draw and record all thermostats are again satisfied. After during the first recovery, the electrical energy them as T*d.L, and M'*or V'i, respectively, thermostat adjustments are completed, the consumed by the resistive element(s) shall be

Initiate a second and, if applicable, water heater may be operated for up to three separately metered and recorded, Qr»,i. successive draws each time the applicable cycles of drawing until cut-in and then At the end of the recovery period that draw initiation criterion described in section operating until cut-out, prior to the start of follows the sixth draw, determine and record 5.1.4.2 is satisfied. As required for the first the test. the total electrical energy and/or fossil-fuel draw, record the outlet water temperature At this time, record the mean tank consumed since the beginning of the test, Q.u. beginning 15 seconds after initiating each temperature (To). and the electrical and/or In preparation for determining the energy draw and at 5 second intervals thereafter fuel measurement readings, as appropriate. consumed during stand-by, record the until the draw is terminated. Determine the Begin the 24-hour simulated use test by reading given on the electrical energy (wattmaximum outlet temperature that occurs withdrawing a volume from the water heater hour) meter, the gas meter, and/or the scale during each draw and record it as T'.i, that equals one-sixth ofthe daily hot water used to determine oil consumption, as where i refers to the draw number. Terminate usage. Record the time when this first draw appropriate. Record the maximum value of each hot water draw when the outlet
, is initiated and assign it as the test elapsed the mean tank temperature after cutout asT~iu. temperature decreases to Tmi,i - 25 0F time (r) ofzero. Record the average, storage Except as noted below, allow the water (T~'m,

- 13.9°C). Record this temperature as tank and ambient temperature every 15 heater to remain in the standby mode until T'.mii. Calculate and record the average minutes throughout the 24-hour simulated 24-hours have elapsed from the start of the outlet temperature and the mass or volume use test unless a recovery or a draw is test; i.e., since =r 0. Prevent the water heater removed during each draw (T*ide,i and M*i or occurring. At elapsed time Intervals ofone, from beginning a recovery cycle during the V'i). Continue this sequence ofdraw and two, three, four, and five hours from r = 0, last hour ofthe test by turning off the electric recovery until one hour has elapsed, at which initiate additional draws removing an power to the electrical heating elements and time the electrical power and/or the fuel amount ofwater equivalent to one-sixth of heat pump, if present, or by turning down the supplied to the water heater shall be the daily hot water usage with the maximum fuel supply to the main burner at an elapsed. disconnected and/or terminated, allowable deviation for any single draw being time of 23 hours. Ifa recovery is taking place

If a draw is occurring at an elapsed time ±0.5 gallons (±1.9 liters) for units having at an elapsed time of 23 hours, wait until the ofone hour, continue this draw until the rated storage capacities of20 gallons (76 recovery is complete before reducing the outlet temperature decreases to T*.mu

- liters) or greater, and ±0.1 gallons (0.4 liters) electrical and/or fuel supply to the water 25°F (T-'-,.

- 13.9°C), at which time the for units having rated storage capacities less heater. At 24 hours, record the mean tank draw shall be immediately terminated. The than 20 gallons (76 liters). The quantity of temperature, T24 , and the electric and/or fuel subscript ushall be used to denote quantities water withdrawn during the sixth draw shall instrument readings. Determine thetotal associated with the final draw. Ifa draw is be increased or decreased as necessary such fossil fuel or electrical energy consumption, not occurring at an elapsed time of one hour, that the total volume ofwater withdrawn as appropriate, for the entire 24-hour

a final draw shall be imposed at one hour. equals: 64.3±1.0 gallons (243.4±3.8 liters) for simulated use test, Q. Record the time 'This draw shall be immediately terminated water heaters having rated storage capacities interval between the time at which the when the outlet temperature first indicates a of 20 gallons (76 liters) or more, 24±0.5 maximum mean tank temperature is observed value less than or equal to the cut-off gallons (90.8±1.9 liters) for water heaters after the sixth draw and the end ofthe 24- temperature used for the previous draw having rated storage capacities less than 20 hour test as abyl. Record the time during

'T*mi).For cases where the outlet gallons (76 liters) but greater.than or equal to which water was not being withdrawn from temperature is close to T*ni,.;t, the final 10 gallons (38 liters), and 9.0±0.5 gallons the water heater during the entire 24-hour draw shall proceed for a minimum of 30 (34.1±1.9 liters) for water heaters having period as ct,2t. seconds. If an outlet temperature greater than rated storage capacities less than 10 gallons 5.2 InstantaneousWaterHeaters. T'*i., 1 is not measured within 30 seconds, (38 liters). 5.2.1 Setting the OutletDischarge the draw shall be immediately terminated All draws during the simulated use test Temperature.Initiate normal operation ofthe and zero additional credit shall be given shall be made at flow rates of3.0±0.25 water heater at the full input rating. Monitor towards first hour rating (i.e., M*u =0 or V* gallons per minute (11.4±0.95 liters per the discharge water temperature and set to a

= 0). Once the final draw is terminated, minute) when testing water heaters having value of 135 0F±5 0F (57.2°C±2.8°C) in calculate and record the average outlet rated storage capacities of 20 gallons (76 accordance with the manufacturer's temperature and the mass or volume liters) or more. For water heaters having rated instructions. If the water heater is not capable removed during the draw (T'd.o, and M'. or storage capacities less than 20 gallons (76 ofproviding this discharge temperature when V'n). liters), flow rates of 1.0±0.25 gallons per the flow rate is 3.00±0.25 gallons per minute

5.1.5 24-Hour Simulated Use Test. During minute (3.8±0.95 liters per minutes) shall be (11.4±0.95 liters per minute), then adjust the the simulated use test, a total of 64.3 ±1 achieved. Measurements ofthe inlet and flow rate as necessary to achieve the gallon (243±4 litbrs) shall be removed if the outlet temperatures shall be made beginning specified discharge water temperature. rated storage tank volume is 20 gallons (76 15 seconds after the draw is initiated and at Record the corresponding flow rate as.V,,. liters) or greater. If the rated storage tank every subsequent 5 second interval If the instantaneous water heater volume is less than 20 gallons (76 liters) but throughout the duration of each draw. The incorporates a controller that permits greater than or equal to 10 gallons (38 liters), arithmetic mean ofthe hot water discharge continuous burner or electric heating element
a total of 24±0.5 gallon (91±1.9 liters) shall temperature and the cold water inlet operation at a reduced input rate, adjust the be removed; and ifthe rated storage tank temperature shall be determined for each flow rate as necessary to achieve a discharge volume is less than 10 gallons (38 liters), a draw (Tad,i and Ti,,). Determine and record water temperature of 135°F±5°F total of 9±0.5 gallon (34±1.9 liters) shall be the net mass or volume removed (Mi or Vi, (57.2°C±2.8°C) while maintaining the removed. These values are referred to as the as appropriate, after each draw. minimum input rate. Record the daily hot water usage in the following text. At the end of the recovery period following corresponding flow rate as V,,. If an outlet

With the water heater turned off, fill the the first draw, record the maximum mean temperature of 135"±5 0F (57.2°C±2.8°C) water heater with supply water and apply tank temperature observed after cut-out, cannot be achieved at the minimum flow rate 

# • Federal Register / 

### Vol. 60, No, 56 / Thursday, March 23, 1995 / Proposed Rules 

## 15345

it asT"""",1, For the duration ofthis first ·draw and all successive draws, in addition,. monitor the inlettemperature to the water heater to assure that the required 58°F±2°F (14.4°C ± 1.1DC) test condition is met. Terminate the hot water draw when the outlettemperature decreases to TOmax,I - 25°F (T"-.1-13.9°C). Record this temperature as T°mia,I. Following draw termination, determine the average outlet water temperature and the mass orvolume

.removed during this first draw and record 'them as tOdo1.1 and MOl or VOl, respectively.

Inttiate a second and, ifapplicable, successive draws each time the applicable' draw tnitiation criterion described insection 5.1.4.2 is satisfied. As required for the first draw, record the outlet water temperature beg1nn1ng 15 seconds after initiating each draw and at 5 second intervals thereafter untll the draw is terminated. Determine the maximum outlet temperature that occurs during each draw and record itasTO""",.i, where i refers to the draw number. Terminate each hot water draw when the outlet temperature decreases to T"max,i

- 25°F (T0max,i

- 13.9°C). Record this temperature as TOmia,i. Calculate and record the average outlettemperature and the l1!ass orvolume removed during each draw (Todo!,i and MOi or VOJ. Continue this sequence ofdraw and recovery untll one hour has elapsed, atwhich time the elecirica1 power and/or the fuel supplied to the water heater shall be disconnected and/or terminated.

Ifa draw is occurring at an elapsed time ofone hour, continue this draw untll the outlet temperature decreases to TOJIIU,D

- 25°F (T0""",,D

- 13.9°C), at which time the draw shall be immediatelyterminated. The subscript a shall be used to denote quantities associated with the final draw. Ifa draw is not occurring at an elapsed time ofone hour,

a final draw shall be imposed at one hour. This draw shall be immediately terminated when the outlet temperature first indicates a . value less than or equal to the cut-off temperature used for the previous draw (TomiD,D-I). For cases where the outlet temperature is close to T"miD,D-I, the final draw shall proceed for a minimum of 30 seconds. Ifan outlettemperature greater than TOmiD,D-1 is not measured within 30 seconds, the draw shall be immediately terminated and zero additional credit shall be given towards first hour rating (I.e., MOa 

### =0 or VOa

= 0). Once the final draw is terminated. calculate and record the average outlet temperature and the mass oJvolume removed during the draw (Todo\,D and MOa or V°,J.

5.1.5 24-HourSimulated Use Test. During the simulated use test, a total of 64.3 ±1 gallon (243±4 liters) shall be removed ifthe rated storage tank volume is 20 gallons (76 liters) or greater. Ifthe rated storage tank volume is less than 20 gallons (76 liters) but greater than or equal to 10 gallons (38 liters),
a total of 24±0.5 gallon (91±1.9 liters) shall beremoved; and ifthe rated storage tank volume is less than 10 gallons (38 liters), a total of 9±0.5 gallon (34±1.9 liters) shall be removed. These values are referred to as the dailyhot water usage inthe following text.

With the water heater turned off, ft11 the water heater with supply water and apply . . . . pressure as described in sectiori'2.5. Turnon the water heater and associated heat pump unit, ifpresent. After the cutout occurs, measure the mean tank temperature'using the temperature sensors described in section 4.5 every minute untll the maximum mean storage tank temperature is achieved. Ifthis maximum mean temperature is outside the range specified in section 2:4, adjust the thermostat(s) as specified in section 5.1.2 and reevaluate the mean tank temperature after all thermostats are again satisfied. After thermostat adjustments are completed, the waterheater niay be operated for up to three cycles ofdrawing untll cut-in and then operating untll cut-out, priorto the start of the test.

At this time, record the mean tank temperature (to), and the elecirical and/or fuel measurement readings, as appropriate. Begin the 24-hour simulated use test by withdrawinga volume from the waterheater that equals one-sixth ofthe daily hotwater usage. Record the time when this first draw isinitiated and assign itas the test elapsed time (t) ofzero. Record the average.storage tankand ambient temperature every 15 minutes throughout the 24-hour simulated

use test unless a recovery ora draw is occurring. At elapsed time intervals ofone, two, three, four, and five hours from t = 0, initiate additional draws remOving an amount ofwater equivalentto one-sixth of the dally hot water usage with the maximilin allowable deviation for any single draw being ±D.5gallons (±1.9 liters) for units having rated storage capacities of20 gallons (76 liters) or greater, and ±D.l gallons (0.4 liters) for units having rated storage capacities less than 20 gallons (76Uters). The quantity of waterwithdrawn during the sixth draw shall be increased or decreased as necessary such that the total volume ofwaterwithdrawn equals: 64.3±1.0 gallons (243.4±3.8 liters) for waterheaters having rated storage capacities of20 gallons (76 liters) or more, 24±0.5 gallons (90.8±1.9 liters) for waterheaters havingrated storage capacities less than 20 gallons (76 liters) but greater,than or equal to 10 gallons (38 liters), and 9.0±0.5 gallons (34.1±1.9liters) for waterheaterS having rated storage capacities less than 10 gallons (38 liters)

..

All draws during the simulated use test shall be made at flow rates of 3.0±0.25 gallons per minute (11.4±O.95 liters per minute) when testingwater heaters having rated storage capacities of20 gallons (76 liters) or more. For water heaters having rated storage capacities less than 20 gallons (76 liters), flow rates of 1.O±O.25 gallons per minute (3.8±0.95 liters per minutes) shall be achieved. Measurements ofthe inletand outlet temperatures shall be made beginning 15 seconds after the draw is initiated and at every subsequent 5 second interval throughout theduration ofeach draw. The arithmetic mean ofthe hotwater discharge temperature and the cold water inlet**temper~ture** shall_be determined for each draw (Tdo1,i and T ia.J. Determine and record

, the net mass or volume removed (Mi or VJ,

as appropriate, after each draw.

At the end oftherecovery period following the first draw, record the maximum mean tank temperature observed after cut-out, t """,.1, and the energy consumed by a gas or oil water heater, Qr. For heat pump water heaters, the total electrical energy consumed bythe heat pump (including compressor, fan, controls, pump, etc.) and, ifapplicable, by the resistive element(s) during the first recovery shall be recorded as Q.. In addition, the total operatingtime ofthe compressor

. during the first recovery shall be determined and recorded as temp.I' Finally,for heat pump

. water heaters that use resistive heating

during the first recovery, the electrical energy consumed by the resistive element(s) shall be separately metered and recorded, 

### Q

....I. At the end ofthe recovery period that follows the sixth draw, determine and record the total electrical energy and/or fossil-fuel consumed sincethe beginning ofthe test, 

### Qou. In preparation for determ1n1ng the energy consumed during stand-by, record the reading given on the electrical energy (watthour) meter, the gas meter, and/or the scale used to determine oil consumption, as appropriate. Record the maximum value o( the mean tank temperature after cutout as T

.... Except as noted below, allow the water heater to remain in the standby mode untll 24-hours have elapsed from the start ofthe test; i.e., since t = O. Prevent the water heater from beginninga recovery cycle during the lasthour ofthe test byturotng offthe electric power to the elecirical heating elements and heat pump, ifpresent, or by turning down the fuel supplyto the main burner at an elapsed. time of 23 hours. Ifa recovery is taking place at an elapsed time of23 hours, wait Until the recovery is complete before redudng the electrical and/or fuel supply to the water heater. At 24 hours, record the mean tank temperature, t 24, and the electric and/or fuel instrument readings. Determine the total fossil fuel orelectrical energy consumption,
as appropriate, for the entire 24-hour simulated use test, Q. Record the time intelVal between the time at which the maximum mean tank temperature is observed after the sixth draw and the end ofthe 24- hour test as tatby,l' Record the time during which waterwas not being withdrawn from the water heater during the entire 24-hour period as t.tby,2.

5.2 Instantaneous WaterHeaters. 5.2.1 Setting.the OutletDischarge Temperature. Inttiatenormal operation ofthe water heater at the full input rating. Monitor the discharge water temperature and setto a value of 135°F±5QF (57.2°C±2.8°C) in accordance with the manufacturer's instructions. Ifthewater heater is not capable ofproviding this discharge temperature when the flow rate is 3.00±0.25 gallons perminute. (II.4±D.95 liters per minute), then adjust the flow r.;Ite as necessary to achieve the specified dischargewater temperature. Record the correspondingflow rate asV

....... Ifthe instantaneous water heater incorporates a controller that permits continuous burner oreleciric heatingelement operation at a reduced input rate, adjust the flow rate as necessary to achieve a discharge water temperature of I35°F±5°F (57.2°C±2.8°C) While maintaining the minimum input rate. Record the correspondingflow rate as V miD. Ifan outlet temperature of 135°±5°F (57.2°C±2.8°C) cannotbe achieved at the minimum flow rate

### 15346 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

, . 0 permitted by the instantaneous water heater, elapsed since the start ofthe test, I.e., since 6. Computations record the flow rate as Vmh and the r

- 0. At 24 hours, record the reading given 6.1 StorageTankandHeatPumpWater corresponding outlet temperature asTmi-. by the gas meter, the scale usedforHe

25.2.2 Power InputDetermination. Gas- determining 6il consumption, and/or the 6 S Tank Ca TThe fired and oil-fired instantaneous water electrical energy meter as appropriate. rge T paty. torage heaters shall have the burners adjusted to the Determine the fossil fuel or electrical energy tak capacity is computed using the maximum firing rate specified by the .consumed during the entire 24-hour following manufacturer. simulated use test and designate the quantity

5.2.3 FirstHourRating Testfor asQ. (Wf W t ) InstantaneousWaterHeaters. Establish 5.2.4.2 Variable Input InstantaneousV = normal water heater operation at the Water Heaters.Ifthe instantaneous water p maximum input rate with the discharge heater incorporates a controller that permits Where: water temperature set in accordance with continuous operation ata reduced input rate, section 5.2.1. During the test, do not interrupt the firstthree draws shall be conducted using Vtthe storage capacity ofthe water heater, the electrical energy or fossil fuel supplied to the maximum flow rate, Vm., while gal L). the water heater. During the one hour test, removing an amount ofwater equivalent to Wf-the weight ofthe storage tank when either collect the withdrawn water for later one-sixth of 64.3 gallons (243 liters), with the completely filled with water, Ibm (kg). measuring the total mass removed, or maximum allowable deviation for any one of Wt-the (tare) weight of the storage tank when alternatively; use a water meter to directly the three draws being d0.5 gallons (2 liters). completely empty, Ibm (kg)
measure the water volume removed. The second three draws shall be conducted p-the density ofwater use to fill the tank;

Begin with the water flow rate temporarily at Vmn. Ifan outlet temperature of 135°F±5°F evaluated based on the temperature of discontinued. Record the scale or water

. (57.2°C±2.8°C) could not be achieved at the the water, Ibm/gal (kg/L). meter reading as appropriate. Initiate a draw minimum flow rate permitted by the 6.1.2 First Hour Rating Computation.For and record the corresponding time. Record nstantaneous water heater, the lastthree water heaters where the final draw was the inlet and outletwater temperatures draws should be lengtheninitiated such thatpriorto elapsed time ofone beginning 15 seconds after'the draw is volume removed is: hour, the first hour rating shall be computed initiated and atevery subsequent 5 second using, interval throughout the duration of the draw. 

### 643 gal 77 F At the end ofone hour terminate the draw. V4 6 =- x Determine the mass ofwater withdrawn, 6 ( 

### -58°F)F = MPHRm in pounds (kilograms), or thevolume
, i=l ofwater withdrawn, VaHR, in gallons (liters) or Wh with an error no greater than 2 percent.

5.2.4 24-HourSimulated Use Test n-the number ofdraws that are completed 5.2.4.1 FixedInputInstantaneousWater during the first hourrating test. Heaters. Establish normal operation with the 243L 42.80C V*i-the volume ofwater removed during the discharge water temperature and flow rate set V 4,5,6 =-x \ th draw ofthe first hou rating test, gal to values of 135°F±5°F (57.2°C±2.8 0 C) and6 Tn

- 14 4C) V,, respectively. With no draw occurring, wherethe maximum allowable variation for record the reading given by the gas meter, theany one ofthe three draws s .5 gaons scal used for determining oil consumption,

· any one ofthe three draws is ± 0.5 gallons scale sed fr determining oil consmptin (2 liters). The quantity ofwater withdrawn M and/or the electrical energy meter as during the sixth draw shallbe increased or V = appropriate. Begin the 24-hour simulated use decreased as necessary such that the total P test by drawing an amount of water out ofthe volume ofwater withdrawn equals Where water heater equivalent to one-sixth of the (32.15+3xV4 ,,)± .0 gallonsWhere daily hot water usage, 64.3.gallons (243 ((121.7+3xV4s 6)3.8 liters). M*ithe mass of waterremoved during the liters). Record the time when this first draw Measurements ofthe inlet and outlet water ith draw ofthe first hour rating test, Ibm is initiated and designated It as an elapsed temperatures shall be made beginning 15 (kg). time,
,of 0.Atelapsed time intervals of one, seconds after a draw is initiated and atevery pthe water density corresponding to the two, three, four, and five hours from

- m 0, 5 second interval throughout the duration of average outlet temperature measured initiate additional draws removing an the draw. Determine the arithmetic mean of during the ith draw (*si), Ibm/gal (kg/ amount ofwater equivalent to one-sixth of the hot water discharge temperature and the L). 64.3 gallons (243 liters), with the maximum cold water inlet temperature for each draw. For water heaters-where adraw was not in allowable deviation for any single draw being Record the scale used to measure the mass progress at the elapsed time of one hour and .+0.5 gallons (*2 liters). The quantity of water ofthe withdrawn water or the water meter a final draw wasimposed at the elapsed time drawn during the sixth draw shall be reading, as appropriate, after each draw. At ofone hour, the first hour rating shall be increased or decreased as necessary such that the end of therecovery period following the calculated using the total volume of waterwithdrawn equals first draw, determine and record the fossil 64.3±1.0 gallons (243±4 liters). fuel or electrical energy consumed, Qa.
, .

Measurements of the inlet and outlet water Likewise, record thereading of the meter or m.n- 

### l temperatures shall be made beginning 15 scale used to measure fossil fuel or electrical hr = i + *n 

## * seconds after the draw is initiated and at energy consumption prior to the fourth draw

. i=l Tn-de -l every 5 second interval throughout the and at the end of the recovery period ' ' duration ofthe draw. The arithmetic mean of following the fourth draw, and designate the w he n d a re t h e s a e q as the hot water discharge temperature and the difference as Qria.Following the sixth draw def n ed above a nd, cold water inlet temperature shall be and subsequent recovery, allow the water T*di*a- I =the average water outlet determined for each draw. Record the scale heater to remain inthe standby mode until temperature measured during the used to measure themass ofthe withdrawn exactly 24 hours have elapsed since the start (n- l)th draw of the first hour rating test, water or the water meter reading, as ofthe test, i.e., since Tr 0. At 24 hours, F (°C). appropriate, after'each draw. At the end of record the reading given by the gas meter, the T*de.,=the average water outlet temperature the recovery period following the first draw, scale used for determining oil consumption, measured during the nth (final) draw of determine and record the fossil fuel or and/or the electrical energy meter, as the first hour rating test, °F (°C). electrical energy consumed, Q, Following appropriate. Determine the fossil fuel or 

### T*mi_ =the minimum water outlet the sixth draw and subsequent recovery, electrical energy consumed during the entire temperature measured during the allow the water heater to remain in the 24-hour simulated use test and designate the (n- I)th draw of the first hour rating test, standby mode until exactly 24 hours have quantity as Q. °F (C). 

## 15346 Federal Register / 

### Vol. 60, 

### No. 56 

## I Thursday, March 23; 

### 1995 

### /Proposed Rules

pennltted bythe instantaneous water heater. record the Dow rate asVmJa and the correspondtrig outlet temperature asTmJa· '

2S.2.2 Powet'InputDetermination. Gasfired and oU-fired instantaneouswater heaters shall have theburners adjusted to the maximum ftr1ng rate specified by the ' manufacturer.

S.2.3 FirstHourRatlnlJ Testfor Instantaneous Water Heaters. Establish normal waterheater operation at the maximum inputrate withthe discharge water temperature setin accordance with sectionS.2.1. During the test. do notinterrupt the electrical energyorfossil fuel supplied to the waterheater. During the onehourtest. either collect the withdrawnwater for later measuringthe totalmaSsremoved. or alternatively;**~** a watermetei" to directly
measure the water volume removed. '

Begin withthe water Dow rate temporartly discontinued. Record the scale orwater meter reading as appropriate. Initiate a draw and record the corresponding time: Record elapsed since the start ofthe test. i.e.• since taO. At 24 hours. record thereading given bythe gas meter. the scale used for

, deteimining

# ail consumptiori. and/orthe

electrical energy meter 

## as appropriate. Determine the fossil fuel or electrical energy

, consumed during the entire 24-hOur

Simulated use test and designate the quantity

. asQ. '

S.2.4.2 ' Variable InputInstantaneous Watet'Heaters. Hthe instantaneous water heaterincorporates a controller thatpermits continuous operationatiareduced inputrate. the first three draws shall be conducted using the maximum Dow rate. V-.. while

, removirig

# an amount ofwater equivalent to

one-sixth of64.3 gallons (243 liters). withthe maximum allowable deviation for anyone of the three draws being :!:O.Sgallons (2liteis). The secondthreedraws shall be conducted at V mm. Hanputlet temperature of 135°F±S"F (S7.2"C±2.S0C) could notbe achieved atthe minimum Dowrate permitted by the instantaneous water heater. the last three 6. Computations 6.1 Storage Tank andHeat 

### Pump Watet'

. Heaters.

S.1.1 Storage Tank Capadty. The storage tank capacity iscomputed using the ' following: ' 

# (w,-w t ) 

### V. 

# =**~~--.,;~** 

### 'p
Where: V_the storage capadtyofthewaterheater. gal (L). WFtheweight ofthe storage tank when completely ruled withwater. Ibm 

### (k,g). Wt=the (tare) weight of thestorage tankwhen' completely empty. Ibm 

### (kg) p=the denSity ofwater use to fill the tank; evaluated based onthe temperature of

.the water; Ibm/gal 

### (kgIL). 6.1.2 FirstHourRatlnlJ Computation. For waterheaters where the final draw was " the inlet and outletwater temperatures

- beginning IS seConds after the draw is

initiated and at every subsequent S second interval thfoughout the duration of the draw. At the end ofone hour tennlnate the draw. Deternitne the mass ofWater withdrawn. 

### Mnm; in pounds (kilograms). orthe volume ofwater withdrawn. VFHR. ingallons (liters) with an error no greater than 2 percent. ,draws should be iengthened such that the volume removed is: • initiated at or prior to

## an**ela~** time oCone hour.'the first hourrating shall be computed using.

or
S.2.4 24-HourSimulated Use Test S.2.4.I, FixedInputInstantaneous Water [ 

# 1

Heaters, Establish normal operationwith the 

### V' = 

### 243L x 

### 42.8°C discharge watertemperature and Dow rate set 4.5.6

_ 

### 6' '(Tmm' 

### -,14.40 

### C) to values of 13soF±soF (S7.2°C±2.S0C) and

_ V-.. respectively. With no draw occurring. where the maximum allowable variation for record the reading given bythe gas meter. the', anyone ofthe 

### three draws is ± O.S gallons scale used for determiningoilconsumption. (2 liters). The quantity ofwaterwithdrawn and/orthe electrical energy meter as during the sixth draw shall be increased or D Fbr 

# =

# Lvt

, i=l Where: n=the number ofdraws that are completed during the first hourrating test. V*iathe volume ofwater removed'during the ithdraw ofthe first hour rating test. gal (L).

.



### p appropriate. Begin the 24-hour simulated use decreased as necessary suCh that the,total test by drawf!!g an amountofwater outofthe volume ofwaterwithdrawn

## equals
water heaterequivalentto one-stxth of,the (32.IS+3xV4.s,J±I,O gallons Where: daily hot water usage. 64.3 gallons (243 ,«121.7+3xV".s,J±3.Sliters). M*i=the mass ofwater removed during the liters). Record the time when this first draw Measurements ofthe inletand outletwater ithdraw ofthe first hourrating test. Ibm is initiated and designated itas an elapsed temperatures shall be made J>eginning IS 

### (kg).
, tillie. t. ofO. At,elapsed time intervals ofone. seconds after a draw isinitiated 

### and at every p

.. 

## ttte waterdensity corresponding to the two. three. four. and five hours from t

.. O. Ssecond interval throughout the duration of average outlet tempet:!lture measured initiate,additional draws removing an the draw. Detennine the arithmetic mean of during the ith draw (T*clel.J; Ibm/gal (kg! amount ofwater equivalentto one-sixth of the hotwaterdischarge temperature and the L). 64,.3 gallons (243 liters). withthe maXimum cold water inlet temperature for each draw.

- Forwater heaters where a draw was notin

-allowable deViation for any single draw being Record the scale used 

### to measure the mass progress atthe elapsed time ofone hour and**:!:O.~** gallons (±2liters). The quantity ofwater ofthe withdrawnwater or the watermeter a final drawwasimposed atthe elapsed time drawndurtJ:ig the sixth draw'shall be reading. as appropriate. after each draw. At ofone hour. thefirst hourrating shall be increased ordecreased as necessary such that the end ofthe recoveryperiodfollowing the calculated using. ' ' 1_ ' the total volume ofwaterwithdrawn equals first draw. detemiine andrecord the fossil 64.3±1.0 gallons (243±4 liters).

-fuel or electrical energy consumed. Q...-.. ' [. ' 

# J

Measureinents ofthe inletand outletwater Likewise. record the reading ofthe meter or 

### F

## ='~,V.• 

# +v. f del.D

-

## T~D-l - temperatures shall be made begftming IS scale used to measure fossil fuel orelectricalbr 

### £.J 1 D. • seconds afterthe draw isinitiated,and at energy conswription prior to the fourth draW
, j=l
, T del.n-l

- Tmin,n':'l every S second interval throughout the and atthe end ofthe recovery period
, ' where nand, V,*i are the sam,e qUantities as duration ofthe draw. The arithmetic mean of following the fourth dravy. and designate the**th~** hot water discharge temperature andthe difference as Q..,JillA. Following the sixth draw ' defined above and. ' cold waterinlet temperature shall be and subsequentrecovery. allow the water T***cIoI.a-l~the** average water outlet determined for eachdraw. Record the scale ,heater to remain inthe standby mode until temperature measured duringthe used

# ta measure themass ofthewithdrawn exactly 24 houlshave elapsed since the start (n

- I)thdraw ofthe first hour ratingtest. water orthe water meter reading. as, ofthe test. i.e.• since t = O. At 24'hours. OF (OC). appropriate. after'each draw. At the end of record the reading,given by the gas meter. the

. T***cIoI.D~the** average water outlettemperature the recovery period followirig the first draw. scale used for deterinining oil consumption. measured during the nth (final) draw of determine and record the fossil fuel or and/or the electrical energy meter. as

_ the first hourrating test. OF (OC). electrical energy consumed. 

### Q... Following' appropriate. Determine the fossil fuel or T*mia.A-l=the minimumWater outlet. the sixth draw**~** subseq'!entrecovery. electrical energyconsumed during the entire

. temperature measured duringthe allow the water, heater to remain in the 24-hour simulated use test and designate the (n-I)th draw.ofthe first hourrating test. standbymode until exactly 24 hours have quantity asQ. 'oF(OC).

.

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15347

6.1.3 RecoveryEfficiency. The recovery 6.1.4 HourlyStandbyLosses. The hourly p-density ofthe stored hot water as efficiency for gas, oil, and heat pump storage standby losses are computed as evaluated at (T2 4+To)/2, lbm/gal (kg/L). type water heaters is computed as: Where: Cp-speciflc heat ofthe stored water as evaluated at (T24+To)/2, Btu/lb.m'F (kJ/ 

### „/=; _=T \kg. O. Ml del-pl I Tdel mnlC

- .T24=mean tank temperature at the end ofthe 71 r- +

-- V-t*pC_ 24_-Tsu) 24-hour simulated use test, °F (C). Qr Qtby To-mean tank temperature at thebeginning V nP r P C pF

_ '=*

_______ OQhr =r ofthe 24-hour simulateduse test, VstP2c p2 ( 1 max,l-hr T recorded one minute before the first tlby1, -draw is initiated, °F ("C). Q r Qhthe hourly standby energy losses of the r-recovery efficiency ofthe hot water Where: water heater. Btu/hr (kJ/hr). heater, dimensionless. Mi=total mass removed during the first draw Qay'the total energy consumed by the water 6.1.6 AdjustedDafly WaterHeating ofthe 24-hour simulated use test, Ibm heater between the time atwhich the Energy Consumption.The adjusted daly i(k0 ' maximum mean tank temperature is water heating energy consumption, Qd, takes =V'~^IX'I' X Piobserved after the sixth draw and the into account that the temperature difference V=total volume x removed during the firstend of the 24-hour test period, Btu (k. between the storage tank and surrounding draw ofthe 24-hour sinmulad use test. V.=measured volume of the storage tank, as ambient temperature may not be the nominal dgalw o t (L). determined in section 6.1.1, gal (L). value of67.5°F (135°F-67.5°F) or 37.5°C p galden ofL the)

. wtap=denslty ofstored hot water as evaluated at, (57.2°C-19.7°C) due to the 10°F (5.6°C) p,=Idensity of the water as evaluated at the (T24+T./2, Ib./gal (kg/L). allowable variation in storage tank water temperature at the point where the Cpspeciflc heat ofthe stored water as temperature, 135*5°F (57.2±2.8°C), and the flow volume is measured, lb,/gal (kg/L). evaluated at (T24+T 8J/2, Btu/lb=.°F (kJ/ 5°F (2.8°C) allowable-variation in Cp i=specific heat ofthe withdrawn water as kg.oC). surrounding ambient temperature 65F evaluated at C(Td.L +Tin, 1 )/2 Btu/lb,.-F T 2 4=the mean tank temperature at the end of (18.3°C) to 70°F (21.1°C). The adjusted daily (kJ/kg.K). the 24-hour simulated use test, °F (°C). water heating energy consumption is Tds.ii=average water outlet temperature T,=,maximum mean tank temperature computed as: measured during the first draw ofthe 24- observed after the sixth draw. °F (°C) hour simulated use test,°F (°C). I- tb.Xs,ielapsed time between the time atQ = Qd [(Tsb Tay)- 

### Ti,.I=average water inlet temperature which the maximum mean tankmeasured during the first draw ofthe 24- temperature is observed after the sixth (135 0F-67.5 0F)IUAT
, hour simulated use test,°F (°C). draw and the end of the 24-hourtby,2 Vtmeasured volume of the storage tank, as simulated use test, hr. determined in section 6.1.1, gal (L). The standby heat loss coefficient for the p2-density ofstored hot water evaluated at tk is c d (Tur. +To)/2, lb./gal (kg/L).tank s computed or Qda = Qd -[(sby -TaT.y)- Cp 2=speciflc heat of stored hot water evaluated at (fTm, ,+To)/2, Btu/lbm.°F (kl/ UA = (57.2 "C-19.7 °C)UArtby,2 

### kg.K). 

## Tttby- ,stby T=.i,l=maximum mean tank temperature Where: recorded after cut-out following the first Where Qd.the adjusted daily water heating energy draw of the 24-hour simulated use test, Qhrdeflned in section 6.1.4. consumption. in Btu (kJ). °F (°C). T,',,=overall average storage tank Ttby=the mean tank temperature during the T,=maximum mean tank temperature temperature between the time when the total standby portion, Tby,, of the 24- recorded prior to the first draw of the 24- maximum mean tank temperature is hour test, in °F (°C). hour simulated use test, °F (°C). observed after the sixth draw and the T.,by=the average ambient temperature Q,.l electrical energy used by the end ofthe 24-hour simulated use test, °F during the total standby portion, Tby,2, supplemental resistive elements of a heat ( oC) of the 24-hour test, in °F (°C). pump water heater during the first T,,ay=overall average ambient temperature UA-the standby heat loss coefficient for the recovery ofthe 24-hour simulated use between the time when the maximum storage tank, in Btu/hr. F (kJ/hr.°C). test, Wh. mean tank temperature is observed after xry,2=the number ofhours during the 24-

,

## ~ithe total operating time ofthe the sixth draw and the end ofthe 24- hour simulated test when water was not compressor ofa heat pump water heater hour simulated use test, °F (°C). being withdrawn from the water heater. during the first recovery of the 24-hour UA-standby heat loss coefficient of the A modification is also needed to take into simulated use test, hr. storage tank, Btu/hr.-F (kJ/hr.°C). account that the temperature difference Q,=the total energy used by the water heater 6.1.5 DailyWaterHeatingEnergy between the outlet water temperature and between cut-out prior to the first draw Consumption.The daily water heating energy supply water temperature may not be and cutout following the first draw, consumption, Qd is computed as: equivalent to the nominal value of 77°F including auxiliary energy such as pilot (I 35°F- 58°F) or 42.8°C (57.2°C

- 14.4°C). lights, pumps, fans, etc., Btu MJ). 

### V 

### pC ( -T The following equations adjust the (electrical auxiliary energy shall be Q = 

### Q

- t p 24 ) experimental data to a nominal 77°F (42.8°C) converted to thermal energy using thed temperature rise. following conversion: I Kwh-3412 Btu). The energy used to heat water, Btu/day (kJ/ Where: day) may be computed as: The recovery efficiency for electric water heaters with immersed heating elements is Qtotal energy used by the water heater assumed

to b 98 percent. during the 24-hour simulated use test 6 M.C

. TM, -Tin, I including auxiliary energy such aspilot QHW ) lights, pumps, fans, etc.. Btu (kJ) (Electrical auxiliary energy shall be i r converted to thermal energy using the Where: following conversion: 1kWh = 3412 Mi=the mass withdrawn for the ith draw (i=1 Btu). to 6), in lbm (kg). V.t=measured volume ofthe storage tank, as Cp-ithe specific heat ofwater, in Btu/lb=F determined in section 6.1.1, gal (L). (k/kg.'C). 

### Federal Register 

### I 

### Vol. 60, No

.. 56 I 

### Thursday, March 23, 1995 I 

### Proposed Rules 

## 15347

6.1.3 RecoveryEfficiency. The recovery efficiency forgas, oll, and heatpump storage type water heaters Is computed as:

Where: 

### MICpl(Tdel,1 -Tin,l)

## + Tlr 

## Q r 

### VstPZCpZ

### (T max,l- 

### To) 

## Qr

MI=total mass removed during the first draw ofthe 24-hour simulated use test, Ib", (kg).

. =V 1 XPi V1=total volume removed duringthe first draw ofthe 24-hour simulated use test, gal (L). PI=density ofthe water as evaluated at the water temperature at the pointwhere the fiow volume Is measured, Ibm/gal (kg/L). CpI=SPectfiC heat <:>fthev.:ithdrawnwater as evaluated at**(Td.~1** + Tin,I)/2 Btullbm·oF

.**~lkg·K). Tdo~l=average**  water outlet temperature measured during the first draw ofthe 24- hour simulated use test,"F (0C). Tin, 1 =average water inlet temperature measured during the first draw ofthe 24- hour simulated use test,OF (oC). V..=measured volume ofthe storage tank, as determined in section 6. 1.1, gal (L). P2=de_nsity o(stored hotwater evaluated at (Tawt, 1+To)/2, Ibm/gal (kgIL). Cp2"'spedfic heat <:>f**stor~** hot water evaluated at (Tmax,l+To)/2, Btullb",·oF**~/** kg.K). Tawt,l=maximum mean tank temperature recorded after cut-outfollowing the first draw ofthe 24-hour simulated use test, OF (OC).
t o=maximum mean tank temperature recorded prior to the first draw ofthe 24- hour simulateduse test, of (0C). Q,.,..l=electrical energy used by the supplemental resistive elements ofa heat pump water heater during the first recovery ofthe 24-hour simulated use test, Wh

.. tcmp.l=the total ope'tating time ofthe compressor ofa heat pump waterheater during the first recovery ofthe 24-hour simulated use test, hr.

. Qr=the total energy used by the water heater between cut-out prior to the first draw and cutout followingthe first draw, including auxiliary energy such as pilot lights, pumps, fans, etc., Btu (MJ). (electriccll auxiliary energy shall be. converted to thermal energy using the following conversion: I Kwh=3412 Btu). The recoveryefficiency for electric water heaters with immersed heating elementsis assumed to be 98 percent. 6.1.4 Hourly StandbyLosses. The hourly standby losses are computed as Where:

Qstby 

### Qbr 

# = -'

____**.--.;,.,~r**__ _ 

### 'fstby.l Qm=the hourly standby energy"losses ofthe water heater. Btu/hr**~lhr).** Q.lby"'the total energy consumed by the water heater between the time at which the maximum mean tank temperature Is observed after the sixth drawand the end ofthe 24-hour test period, Btu**~.** V

..=measured volume ofthe storage tank, as

determined in section 6.1.1, gal (L). p=def}Sity_ofstored hot water as evaluated at. (T24+Tsul/2, Ibm/gal (kgIL). Cp=speciflc heat ofthe stored wateras evaluated at (T24+Tsul/2, Btullbm·oF (kJ/ kg·oC). . t 24=the mean tank temperature at the end of the 24-hour simulated use test, OF (0C). T

..=maximum mean tank temperature observed after the sixth draw. OF (0C). tstby,l=elapsed time between the time at which the maximum mean tank temperature Isobserved after the sixth draw and the end ofthe 24-hour simulated use test, hr. The standby heat loss coefficient for the

.tank is computed as:

Where: 

### UA 

# ==-_Q....;:;.:::br....-_ T t,stby- 

### T

### a.stby

Qm=defined insection 6.1.4. t

...**~verall** average storage tank temperature between the time when the maximum mean tank temperature Is observed after the sixth drawand the end ofthe 24-hour simulated use test. OF (0C). t

.....,y=overall average ambient temperature between the time when the maxiIllum

mean tank temperature Isobserved after the sixth draw and the end ofthe 24- hour simulated use test, OF (0C). UA-standby heat loss coeffident ofthe storage tank, Btulhr·oF (kJ/hr.0C). 6.1.5 Daily WaterHeating Energy Consumption; The daily water heating energy consumption. Qd Iscomputed as:

. 

### VstpCAT24- 

### To)

Tlr Where: Q=tot& energy used by thewaterheater during the 24-hour simulated use test includingauxiUary energy such as pilot lights. pumps. fans. etc., Btu**~** (Electrical auxiUary energy shall be converted to thermal energy using the follOwing conversion: I kWh = 3412 Btu). V..=measured volume ofthe storage tank. as determined in section 6.1.1, gal (L). p=density ofthe stored hot water as evaluated at (T24+to)/2,1b",/gal (kgIL).

.Cp=spedficheat ofthe_stored water as evaluated at (T24+To)/2. BtuIlbm·oF (kJ/ kg.•C). t 24=mean tank temperature at the end ofthe 24-hour simulateduse test, OF (oC). t o=mean tank temperature at the beginning ofthe 24-hour simulated use test, recorded one minute before the first draw is initiated. OF (OC). lJr=recovery effidency ofthe hot water heater, dimensionless. 6.1.6 AdjustedDaily WaterHeating Energy Consumption. The adjusted daily water heatingenergy consumption. Qdo takes into account that the temperature difference between the storage tank and surrounding ambient temperature may not be the nominal value of 67.5°F**(l35~F-67.5°F)** or 37.5°C (57.2°C-19.7°C) due to the 10°F (5.6°C) allowable variation in storage tank temperature, 135±5°F (57.2±2.8°C), and the 5°F (2.8°C) allowable variation in surrounding ambient temperature 65°F (l8.3°C) to 70°F (21.1 °C). The adjusted daily water heatingenergy consumption Is computed as: 

### Qds 

### =Q

### d

### -[(r.tby -Ta,stby)- (135 OF -67.5 °F)]UA'fstby

.2



### or Qds = 

### Q

### d-[(T 

### stby -Ta,stby)- (57.2 °C-19.7 °C)]UArstby

.2 Where: Qds=the adjusted dally water heating energy consumption, in Btu**~.** T"by"'the mean tank temperature during the total standbyportion, Tstby,2. ofthe 24- hour test, in OF (oC).
, t

.... by"'the average ambient temperature during the total standbyportion, TS1by.2. ofthe 24-hour test, in OF (oC).

.**UA~the** standby heat loss coeffident for the storage tank. inBtu/hr·oF (kJ/hr.oC). tolby,2=the number ofhours during the 24- hour simulated testwhen water was not being withdrawn from the water heater. A modification Isalso needed to take into account thatthe temperature difference

. between the outletwater temperature and

supply water temperature may not be equivalent to the nominal value of77°F (1 35°F-58°F) or 42.8°C (57.2°C -14.4°C). The folJowing equations adjust the experimental data to a nominal 77"F (42.8°C) temperature rise.

The energy used to heat water, Btu/day (kJ/ day) may be computed as:

Where: M;=the mass withdrawn for the.ith draw (i=l to 6). in Ibm (kg). Cpi",the specific heat ofwater, InBtullb", OF (kJlkg·oC).

### 15348 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

Tdi.uthe average water outlet temperature M fT

- minimum input rate. The recovery efficiency measured during the ith draw (1-1 to 6), FHR ( de- i) used in subsequent computations is taken as °F(°C).

- 

### ( r 

### 1 op F the average ofthese two values. The tinj-the average water inlet temperature 

## p35 F ) maximum recovery efficiency is computed measured during the fthdraw (1=1 to 6), as: OF(*C). MPHR(Tdel-T,) 

### rq-as defined in section 6.1.3. 

### or F, del /M 

### C T

The energy required to heat the same 

### p(57.2°C

- 

### 14.4°C) 

## l a inl quantity of water over a 77°F (42.8°C) which may be expressed as: Qm temperature rise, Btu/day (kI/day), is: , .rx :".~~~~ :'/~ -Where: QHW 77»F = MFHR l l(Td Tin) Mi-defined in section 6.2.2.1. *Qi, ' F 

### ;'_.e F-

- 'Fh= Cp,-deflned in section 6.2.2.1.
-~6 

## MC (1°35? 9v-580FP 

### p(77 °

### F) Tdiu-deflned in section 6.2.2.1.

_____i__S____)

_ r .i T

1 il-clefined in section 6.2.2.1.

-- _QrQ,x=the total energy used by the water i=l tir MPHR Tde I T in heater between cut-out prior to the first

or Fh = draw and cut-out following the first
or -w p(42.8°C) draw, including auxiliary energy such as 

### or 

### QHW, 42.gC= Where:pilot lights, Btu (kI).

6 MCI 

### 57( 2C'144C MpHn-the mass removed during the one hour Them mumrecoveyeffceny MLp(5/.2~ C 14.4continuous draw, in bm

. (kg).computed as: *- , TieTdhl-the average delivery temperature, In °F

- . i=l

. r7',(o\. ' 

## M IT T C) M4 Cp4 (T del,4 ) The difference between these two values is: Tin=the average Inlet temperature, In OF (°C). 17 r,minm p=the density ofwater at the'average delivery QHWD = QHW,77°F -QHW temperature. in Ibm/gal (kg/L). Wh Ifa water meter is used in lieu ofa scale
or the first hour rating is computed as: M4=the mass withdrawn during the fourth .draw, in Ibm (kg). QHWD iQHW,42.0C-

- _v _(TdCp-- 

# )Cp4-the specific heat ofwater, in Btu/lbm-°F 

### QHWD,=qHW,42.sC 

## -QHW V 

### Tdel -Tin) (k/kg.°C). which must be added to the adjusted daily Fhr = Td.,4=the average delivery temperature for water heating energy consumption value. the fourth draw, in °F (C). Thus, the daily energy consumption value ,Ti-,4-the average inlet temperature for the which takes into account that the

- fourth draw, in F (°C). temperature difference between the storage F 

### \ in) Q.i-the total energy consumed tank and ambient temperature may not be 

### or Fr 42 immediately prior to thefourth draw and 67.5°F (37.5°C) and the temperature rise cut-out following the fourth draw, across the storage tank may not be 77°F Where: including auxiliary energy such as pilot (42.8°C) is: V-the volume of water removed during the lights, in Btu (k]). 

### \ 

## ~ ~~~~~, - , . one hour continuous draw, in gallons The recovery efficiency is computed as:

- Qdm = Qda +QHWD (liters). =Q'e+ W 

## ~ Td.1-deftned in section 6.2.1. 6.1.7 EnergyFactor. The energy factor, Er, Tideflned in section 6.2.1. 1 rn is computed as: 6.2.2 RecoveryEfficiency 

### 2 6 6M r (15 -'F6.2.2.1 FixedInputInstantaneousWater Where: 

## ME = 

## C 35 58 F) Heaters.The recovery efficiency is computed ' rl,-defined in section 6.2.2.2. i q

- Qdm ;as: trin-deflned in section 6.2.2.2. 1 or '1 " /( _ v 6.2.3 Daily WaterHeatingEnergy o r l



### M p Tdell -T in,l) Consumption.The daily water heating energy _6 

### MC (57.2°C-14-.4C) 7 r = consumption, Qa is computed as: 

### Ef =vIf



## . Q Where: Where:

·

### =1 

### Qan 

## ~~1=1

- ;

do 

## ~Mi-the mass withdrawn during the first Q-the energy used by the flow actuated 'Where:

. -draw ofthe 24-hour simulated use test, Ibm water heater during the 24-hour Qdm=the modified daily water heating energy (kg). simulated use test. consumption as computed in accordance Cpl-the specific heat ofwater at the A modification is needed to take into with section 6.1.6, inBtu (k). average temperature (Tid.l+Tisi)/2, Btu/ account that the temperature difference Mi=as defined in section 6.1.6. lb,.F (k/kg.°C). between the outlet water temperature and Cpi=as defined in section 6.1.6. Tdo,.,-the average temperature for the first supply water temperature may not be

6.1.8 AnnualEnergyConsumption.The draw, °F (°C). equivalent to thenominal value of77°F annual energy consumption for storage type TiO,.1 the average Inlet temperature for the ( 35F - 58F) or 42.8°C (57.2C

- 14.4°C). and heat pump water heaters is computed as: first draw, °F (°C). The following equations adjust the Qr=the total energy used by the water experimental data to a nominal 77°F (42.8°C) E -. u=365 x heater between cutout prior to the first draw temperature rise. a~nnual

- l and cut-out following the first draw, The energy used to heat water may be Where: including auxiliary energy such as pilot computed as: Qdm-the modified daily energy consumption lights, pumps,fans, etc., Btu (k). value, Btu/day (kj/day), and 365 is the 62.2.2. VariableInputlnstantaneous 6 M.C 

### .T -T number ofdays in a year. WaterHeaters.For instantaneous water ' ( dli ii 6.2 Instantaneous Hot Water Heaters. heaters which have a variable firing rate, two HW 6.2.1 First HourRatingComputation. recoveryefficiency values are computed, one i=l

. r Compute the first hour rating as: at the maximum input rate and one at the Where: 

## 15348 Federal Register / VoL60. No. 56 / Thursday. March 23. 1995 / Proposed Rules

T.s.u-the average water outlet

### t~perature measured durms the 1th draw (i-I to 6). °F(OC). 'Tla,i--the average water inlet temperature measured durms the 1thdraw (i

..1 to 6). °F(OC). TI.-as defined insection 6.1.3.



### The energy requlredtoheat the same quantity ofwaterover a 77°F(4Z.8°C) temperature rise, Btu/day**~/day),is:** QHW. 77°F = 

# t**MiCpi(ljS~F-S8°F)**

i=l



### or QHW,

### 42~80C = 

# ,t Mj

### Cpi(S7.2°C-14.4°C)

. , i=l Tlr' The difference between these two values is:
Q HWD = QHW,77°F ...: Q HW



### or,
QHWD,=QHW.42.8°C

### ~QHW whichmust be added to the adjusted dally waterheatlrig energy cons).ll1lption value. Thus, the dallyenergy consumption value whichtakes into account that the ' temperature dlfl'erence between the storage ,tank and ambient temperature may**~t** be ,67.5°F (37.5°C) andthetemperature rise
across the storage tank may not be 77°F (4Z.8°C) is:
Qdm =Q da +QHWD

6; 1.7 EnergyFactor. The energy factor, 

### Ee, lscomputed as:

or 

# F = 

# MFHR(T del-

# T in)

hr 

### p(13S0 

### F-S8. o

### F)



# , MFHR(Tdel-Tjn) or F = -,;..'

___.l..-...;.;....

___**~** "hr 

### p(S7.2 0 

### C-14.40 

### C)

,which may be expressed as: 

# F = 

# MFHR(Tdel-Tin)

hr 

### ,'p(77 0 

### F),

'Where: MFHIl=the massremoved during the one hour

_ contlriuous draw. in Ibm (kg). Tdol-the average delivery temperature, in OF (DC). TiD

.. theaverage inlet temperature. in OF (DC). p

..

the densityofwater at the'average delivery

, temperature. inIbm/gal (kgIL).

. Ifa water meter is used inlieu ofa scale the first hour ratlrig iseomputed as:

. Where:

V-thevolume ofwaterremoved durms the
one hour contlriuous draw. in gallons (liters). 

### T

de1

.. defined in section 6.Z.1. TiDoodefined in section 6.Z.I.

6.Z.Z RecoveryEffIciency 6.Z.Z.1 FixedInputInstantaneous Water Heaters. The recovery efficiency is computed '
as:

Where:

M.--the 

### mass withdrawn during the first Where: draw ofthe Z4-hour simulated use test. Ibm QcIm=the modified dally water heating energy 

### (kg). consumption as computed in accordance CP.=the specific hel!t**ofw~ter** at the with section 6.1.6,in Btu**~.** " average temperature (Tdol,.+**T~.)IZ,** Btu/ Mi=8S defined in section 6.1.6. 1b"q·oF**~lkg·oC).** ' , CPi=8S defined insection 6.1.6. Tdol,.-the average temperature for the first

6.1.8 Annua,lEmirgy Consumption. The draw. OF (OC). annual energy consumption for storage type TiD,.-the average inlet temperatUre for the and heat pumpwaterheaters iscomputed as: first draw. OF (OC).
, Qr=the total energy used bythe water 

### EaDDuaI 

### = 

### 36,S. x Qdm ,heater betwee,n cutout priorto the first draw and cut-outfollowing the firstdraw. Where: QcIm-the modified dally energy consumption' value, Btu/day**~/day),and** 365lsthe numberofdays in a year. 6.Z Instantaneous Hot WaterHeaters. 6;Z.1 FirstHourRating Computation. Compute the first hour rating as: including aux1llary energy suchaspilot lights. pumps. fans, etc.• Btu**~.**

6;Z.Z.Z. VarlableInputInstantaneous WaterHeaters. For instantaneouswater heaters whichhave a variable firing rate, two recovery efficiencyvalues are computed, one at the maxlmum inputrate and one atthe rnin1mum inputrate. The recovery efficiency usedin subsequentcomputations istaken as the average ofthese two values. The maximum recovery efficiency iscomputed as:

. 

# .' MICpl(Tdel.l :....TjD

.1 ) Tlr• mu 

### = 

### Q

. r,ma Where: M.=defined insection 6.Z.Z.1. ' 

### gp

...defined insection 6.Z.Z.1. Td

...... defined in section 6.Z.Z.r. :

. TIa,.oodefined in Section 6.Z.Z.1.

Q.._=the total energy used by the water heater betweencut-out prior to the first draw and cut-out following the first draw, includingaux1l1ary energy such as pilot lights, Btu**~.** The minimum recovery efficiency is, computed as:


### " ' _ M4Cp4(T 

# deI.4-T 

# in.4) Tlr,min -,

. Qr,min Where:**~=the** mass withdrawn during the fourth

. draw, in Ibm 

### (kg).
, CP4-the speciftc heat ofwater, inBtullbm·oF

_**~1kg.oC).** Tdol,4",the**averag~** delivery temperature for the fourth draw,in OF (OC). TiD,4",the average inlet temperature for the

. fourth draw. in OF (OC).

. Q..,asiD",the total energy consumed

. immediatelyprior to the fourth draw and cut-out follOwing the fourth draw, ' ' including aUx1l1ary eriergy such as pilot lights. in Btu**~.** The recovery efficiency iscOmputed as:


### TI = Tlr• mu 

## +Tlr,min

r 

### 2
Where: Tlr_-defined in section 6.Z.Z.Z. Tlr,miDoodefined insection 6.Z.Z.Z.

6.Z.3 Dally WaterHeatinB Energy

. Consumption. The dally water heating energy , consumption, Qd iscomputed as:

. Qd-Q ' Where: Q",the energy used by the flow actuated water heater during the**~4-hour** simulated use test. , A modification is needed to tBke into account that the temperature difference between the outletwater temperature and supply water temperature may not be' 'equivalent to the nominal value of77°F (135°F

- 58°F) or 4Z.8°C. (57.ZoC -14.4°C). The,following equations adjust the experimental data to a nom1na1 77°F (4Z.8°C) temperature rise.

The energy usedto heatwater may be computed as:

Where:

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15349

Mi-the mass withdrawn during the ith draw, Where: (2.8°C) ofthe temperature that the identical inlbm (kg). Qdmthe modified daily energy consumption, areas ofthe same basic model of the Cpi-the specific heat ofwater of the ith draw, inBtu/day (kJ/day) and 365 is the appliance would attain ifIt remained in the InBtulb.'F(kJ/kg.°C). number of days within a year. test room for 24 hours while not operating T6,Ai=the average delivery temperature ofthe with all oven doors closed and with any gas ith draw, in °F( 0C). 7.Ratings for UntestedModels pilot lights on and adjusted in accordance Tii=the average inlet temperature ofthe ith In order to relieve the test burden to with manufacturer's instructions. draw, in °F(°C). manufacturers who offer water heaters which 1.7 Primary energyconsumptionmeans ,ridefined in section 6.2.2.2. differ only infuel type or power input, either the electrical energy consumption ofa

The energy required to heat the same ratings for untested models may be conventional electric oven or the gas energy quantity ofwater over a 77IF (42.8°C) established in accordance with the following consumption ofa conventional gas oven. temperature rise is: procedures. In lieu of the following 1.8 Secondaryenergyconsumption procedures a manufacturer may elect to test means any electrical energy consumption, rQ _the unit for which a rating is sought. other than clock energy consumption, of a QHW,77°F 7.1 Gas WaterHeaters. Ratings obtained conventional gas oven. 6 MiC .(135°F-58oF) for gas water heaters using natural gas can be 1.9 Standardcubcfoot (L)ofgasmeans

_______ ________ p used for an Identical water heater which that quantity of gas that occupies 1 cubic foot 7 l- ~7rutilizes propane gasifthe Input ratings are (L)when saturated with water vapor at a 1=1 r within 10 percent. temperature of60°F (15.6°C) and a pressure 7.2 Electric WaterHeaters of 30 inches of mercury (101.6 kPa) (density 

### or QHw,42.8sc = 7.2.1 First Hour Rating. Ifanelectric of mercury equals 13.595 grams per cubic 6 

### MCA f57

- 

### °C- 14.4A° storage type water heater is available with centimeter). 

### M (ipi 2 C * *14.40 ) more than one input rating, the manufacturer 1.10 Thermocouplemeans a device shall designate the standard input rating and consisting oftwo dissimilar metals which are i=1 7 1r the water heater need only be tested with Joined together and, with their associated Where: heating elements at the designated standard wires, are used to measure temperature by M-deftined above, input ratings. The first hour ratings for units means ofelectromotive force. Misdefined above. .having power input rating less than the Cpideflned above. designated standard input rating shall be 2. Test Conditions Tr=defned in above. assigned a first hour rating equivalent to the 2.1 Installation. A free standing appliance The difference between these two values is: first draw ofthe first hour rating for the shall be installed with the back directly electric water heater with the standard Input against, or as near as possible to, a vertical QHWD = QHW,77F

- QHW rating. For units having power Inputs greater wall which extends at least 1foot above and than the designated standard input rating, the on either side of the appliance. There shall first hour rating shall be equivalent to that be no side walls. A drop-in, built-in or wallor QHWD = QHW,42.8'C

- QHW measured for the water heater with the mounted appliance shall be installed in an standard input rating. enclosure in accordance with the which must be added to the daily water 7.2.2 EnergyFactor. The energy factor for manufacturer's instructions. These heating energy consumption value. Thus, the identical electric storage type water heaters, appliances are to be completely assembled daily energy consumption value which takes with the exception ofheating element with all handles, knobs, guards and the like into account that the temperature rise across wattage, may use the energy factor obtained mounted In place. Any electric resistance the storage tank may not be 77°F (42.80C) Is: during testing of the water heater with the heaters, gas burners, baking racks, and baffles designated standard input rating. shall be inplace in accordance with the Qdm = Qd +

### QHWD 5. Appendix I to subpart B of part 430 is manufacturer's instructions: however, broiler 6.2.4 EnergyFactor.The energy factor, Ef revised to read as follows: pans are to be removed from the oven's is computed as: Appendix I to Subpart B ofPart 430.- baking compartment. is c o m p u t e d a s : 

### Appendix I to Subpart B ofPart 4 3 0



### - Disconnect any electrical clock which uses 6 M

- 1 F5°oUniform Test Method for Measuring the energy continuously, except for the Ef p (135 F

- 580 

### F) Energy Consumption of Conventional microwave oven. Do not disconnect or

r f 

### n J 0Ranges, Conventional Cooking Tops, modify the circuit to any other electrical i=l Qdm Conventional Ovens, andMicrowave devices or features, except asindicated in Ovens section 2.1.3. 6 M .C -(57.2°C-144°C i De2.1.1 Conventionalelectricranges, ovens,
or Ef = 5 1. DefinitIons andcooking tops.These products shall be

~~

1 Qdm 1.1 Built-in means the product is connected to an electrical supply circuit with Q

1 = dm supported by surrounding cabinetry, walls, voltage as specified in section 2.2.1 with a Where: or other similar structures. watt-hour meter installed in the circuit. The Qdm=the daily water heating energy 1.2 Drop-inmeans the product is watt-hour meter shall be as described in consumption as computed in accordance supported by horizontal surface cabinetry. section 2.9.1.1. with Section 6.2.3, in Btu (kD.

- 1.3 Forcedconvectionmeans a mode of 2.1.2 Conventionalgas ranges,ovens, and Mi=the mass associated with the ith draw, in conventional oven operation in which a fan cooking tops. These products shall be Ibm (kg). is used to circulate the heated air within the connected to a gas supply line with a gas Cpi=the specific heat of water computed at a oven compartment during cooking. meter installed between the supply line and temperature of (58°F+135°F)/2, Btu/ 1.4 Freestandingmeans the product is not the appliance being tested, according to lb.m°F [(14.4°C+57.20C)/2, kJ/kg.°C]. supported by surrounding cabinetry, walls, manufacturer's specifications. The gas meter Tds.,=the average delivery temperature of the or other similar structures. shall be as described in section 2.9.2. Ith draw, in °F(°C). 1.5 IEC 705 refers to the test standard Conventional gas ranges, ovens and cooking T,,.i=the average inlet temperature ofthe ith published by the International tops with electrical ignition devices or other draw, in OF(°C). Electrotechnical Commission, entitled electrical components shall be connected to 6.2.5 AnnualEnergy Consumption.The "Method for Measuring the Performance of an electrical supply circuit of nameplate annual energy consumption for Microwaves Ovens for Household and voltage with a watt-hour meter installed in instantaneous type water heaters is computed Similar Purposes," Publication 705, the circuit. The watt-hour meter shall be as as: Amendment 2-1993. described in section 2.9.1.1. 1.6 Normalnonoperating temperature 2.1.3 Microwave ovens. Install the E~



### - 365 x Q.m means the temperature ofall areas of an microwave oven in accordance with the

manual 365 XQdm appliance to be tested that is within 5 degrees manufacturer's instructions and connect to 

### Federal Register 

### I Vol. 60, No. 56 

### I Thursday, March 23, 1995 

### I ProposedRules 

## 15349

Mi-the mass withdrawn during the ith draw, inIbm 

### (kg). Cpl-the specific heat ofwater ofthe ith draw. inBtuIlbmoF(kJlkg.oC). tdel.i=the average delivery temperature ofthe ith draw, in °F(°C). t iD,i=the average inlet temperature ofthe ith draw, in °F(oC). llr=deflned in sectionS.2.2.2.

The energy required to heat the same quantity ofwater over a 77°F (42.S°C) temperature rise is:


### QHW,77°F =

# ± M i

### Cpi(135°F-58°F)

i=l 7]r·



### or QHW,42.SoC 

### = 

# ± M i

### Cpi(57.2°C-14.4°C)

i=l 7]r Where: Mi=deflned above. Cpi=deflned above. 'lr=deflned in above.

The difference between these two values is: 

### QHWD =QHW,77°F -QHW



# or QHWD = QHW,42.soc - QHW which must be added to the daily water heating energy consumption value. Thus, the daily energy consumption value which takes into account that the temperature rise across the storage tank may not be 77°F (42.S°C) is: 

### Qdm = Qd+QHWD S.2.4 EnergyFactor. The energy factor. 

### Er, is computed as:

6 

### M.C .(135°F-58°F) E f = 

# L--I .....:..f1l

_____ _ i=l Qdm

Where: Qdm=the daily water heating energy

. consumption as computed in accordance with Section S.2.3, in Btu (kJ). Mi=the mass associated with the ith draw, in 

### Ibm (kg). Cpi=the specific heat ofwater computed at a temperature of (SsoF+13S°F)I2, Btu/ 

### Ibm·OF [(I4.4°C+S7.2°C)/2, kJlkg·oCl. t cIol,i=the average delivery temperature ofthe ith draw, in °F(°C). t iD,i=the average inlet temperature ofthe ith draw, in °F(°C). 6.2.5 AnnuaJEnergy Consumption. The anriual energy consumption for

. instantaneous type water heaters is computed
as:


### E&IIIIual = 

### 365 X Qdm Where: QtIm=the modified daily energy consumption, in Btu/day (kJ/day) and 3SS isthe number ofdays within a year. 7. Ratingsfor Untested Models

In order to relieve the test burden to manufacturers who offer water heaters which differ only infuel type or power.input, ratings for untested models may be established in accordance with the following procedures. In lieu ofthe following procedures a manufacturer may elect to test the unit for whicha rating is sought.

7.1 Gas WaterHeaters. Ratings obtained for gas water heaters using natural gas can be used for an identical water heaterwhich utilizes propane gas ifthe input ratings are within 10 percent.

7.2 Electric WaterHeaters
, 7.2.1 First HourRating. Ifan electric storage type water heater is available with

. more than one input rating, the manufacturer shall designate the standard input rating and the water heater need only be tested with heating elements at the designated standard input ratings, The first hour ratings for units havingpower fuput ratingless than the designated standard input rating shall be assigned a first hour rating equivalent to the first draw ofthe first hour rating for the electric water heater with the standard input rating. For units having power inputs greater than the designated standard input rating. the first hour rating shall be equivalentto that measured for the water heater with the standard input**rating~**

7.2.2 Energy Factor. The energyfactor for identical electric storage type water heaters, with the exception ofheatingelement wattage, may use the energy factor obtained during testingofthe water heater with the designated standard input rating.

5. Appendix 1to subpart B of part 430 is revised to read as follows: 

### Appendix I to Subpart B ofPart 430- UniformTestMethod for Measuring the Energy Consumption ofConventional Ranges, Conventional Cooking Tops, Conventional Ovens, andMicrowave Ovens 

## i. Definitions

1.1 Built-in means the productis supported by surrounding cabinetry, Walls,
or other similar structures.

1.2 Drop-in means the productis supported by horizontal surface cabinetry.

1.3 Forced convection means a mode of**convention~** oven operationinwhich a fan is used to circulate the heated air within the
oven compartment during cooking.

1.4 Freestandingmeans the product is not supported by surrounding cabinetry, walls,
or other similar structures.

1.5 lEC 705 refers to the test standard published by the International Electrotechnical Commission, entitled "Method for Measuring the Performance of Microwaves Ovens for Household and Similar Purposes." Publication 70S, Amendment 2-1993.

1.S Normalnonoperating temperature
means the temperature ofall areas ofan appliance to be tested that is within 5 degrees (2.S°C) ofthe temperature that the identical

areas ofthe same basic model ofthe appliance would attain ifit remained in the test room for 24 hours while not operating with all oven doors closed and with any gas pilot lights on and adjusted in accordance with nianufacturer's instructions.

1.7 Primary energy consumption means eitherthe electrical energyconsumptionofa conventional electric oven or the gas energy consumption ofa conventional gas oven.

I.S Secondary energy consumption

means any electrical energy consumption, other than clock energy consumption, ofa conventional gas oven.

1.9 Standard cubicfoot (L) ofgas means that quantityofgasthat occupies 1 cubic foot (L) when saturated with water vapor at a temperature ofSO°F (1S.S°C) and a pressure of 30 inches ofmercury (101.6 kPa) (density ofmercury equals 13.595 grams per cubic centimeter)

.

1.10 Thermocouple means a device consisting oftwo dissimilar metals which are Joined together and, with their associated wires, are used to measure temperature by

means ofelectromotive force. 2. Test Conditions

2.1 Installation. A free standing appliance shall be installed with the back directly against, or as near as possible to, a vertical wall which extends at least 1 foot above and 9neither side ofthe appliance. There shall be no side walls. A drop-in, built-in or wallmounted appllance shall be installed in an enclosure in accordance with the manufacturer's instructions. These appliances are to be completely assembled with all handles, knobs, guards and the like mounted in place. Any electric resistance heaters, gas burners, baking racks, and baffles shall be in place in accordance with the manufacturer's instructions; however, broiler pans are to be removed from·the oven's baking compartment.

Disconnect any electrical clock which uses energy continuously, except for the microwave oven. Do not disconnect or modify the circuitto any other electrical devicesorfeatures, except as indicated in section 2.1.3.

2.1.1 Conventional electric ranges, ovens, and cooking tops. These products shall be connected to an electrical supply circuit with voltage as specified in section 2.2.1 with a watt-hour meter installed inthe circuit. The watt-hour meter shall be as described in section 2.9.1.1.

2.1.2 Conventionalgas ranges, ovens, and cooklng tops. These products shall be connected to a gas supply line with a gas meter installed between the supply line and the appliance being tested. according to manufacturer's specifications. The gas meter shall be as described in section 2.9.2. Conventional gasranges, ovens and cooking tops with electrical ignition devices or other electrical components shall be connected to
an electrical supply circuit ofnameplate voltage with a watt-hour meter installed in the circuit. The watt-hour meter shall be 

### as described in section 2.9.1.1.

2.1.3 Microwave ovens. Install the microwave ov.en in accordance with the manufacturer's instructions and connectto

### 15350 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

an electrical supply circuit with voltage as range, conventional cooking top, or temperatures in any three consecutive cutspecified in section 2.2.1. A watt meter and conventional oven which isdesigned to off/cut-on actions ofthe gas burners, watt-hour meter shall be installed in the operate using only natural gas as the energy excluding the initial cut-off/cut-on action, by circuit and shall be as described in section source must be tested with natural gas. Any the thermostat after thetemperature riseof 2.9.1.1. and 2:9.1.2. Iftrial runs are needed basic model'of a conventional range, 325°-5°F (162.8°-2.8°C) has been attained by to set the "on" time for the test, the test conventional cooking top, orconventional the conventional gas oven. Remove the measurements are to be separated according oven which is designed to operate using only thermocouple after the thermostat has been to section 4, Paragraph 12.6 of IEC 705. LP gas as the gas energy source must be set.

2.2 Energysupply. tested with propane gas. 2.5 Ambient room air temperature. 2.2.1 Electricalsupply. Maintain the 2.3 Air circulation.Maintain air During the test, maintain an ambient room air electrical supply to the conventional range, circulation in the room sufficient to secure a temperature, TR, of77°i9°F (25°i5°C) for conventional cooking top, and conventional reasonably uniform temperature distribution, conventional ovens and'cooking tops, or as oven being tested at 240/120 volts except that but do not cause a direct draft on the unit indicated in section 4, Paragraph 12.4 of IEC basic models rated only at 208/120 volts shall under test. ' 705 for microwave ovens as measured at least be tested at that rating. Maintain the voltage 2.4 Settingthe conventionaloven 5 feet (1.5 m) and not more than 8 feet (2.4 within 2 percent ofthe above specified thermostat. m) from the nearest surface ofthe unit under voltages, except for the microwave oven 2.4.1 Conventionalelectricoven. Install a test and approximately 3 feet (.9 m) above the testing. Maintain the electrical supply to a thermocouple approximately inthe center of floor. The temperature shall be measured microwave oven at 120 voltsi 1volt and at' the usable baking space. Provide a with a thermometer or temperature 60 hertz. temperature indicator system for measuring indicating system with an accuracy as

2.2.2 Gassupply. the oven's temperature with an accuracy as indicated in section 2.9.3.1. 2.2.2.1 Gasburneradjustments. indicated in section 2.9.3.2. If the oven 2.6 Normalnonoperatingtemperature. Conventional gas ranges, ovens, and cooking thermostat does not cycle on and off, adjust All areas ofthe appliance to be tested shall tops shall be tested with all ofthe gas burners or determine the conventional electric oven attain the normal nonoperating temperature, adjusted in accordance with the installation thermostat setting to provide an average as defined in section 1.6, before any testing or operation instructions provided by the internal temperature which is 325°±5°F begins. The equipment for measuring the manufacturer. In every case, the burner must (162.8°±2.8°C) higher than the room ambient applicable normal nonoperating temperature be adjusted with sufficient air flow to prevent air temperature. Ifthe oven thermostat shall be as described in sections 2.9.3.1,
a yellow flame or a flame with yellow tips. operates by cycling on and off, adjust or 2.9.3.2, 2.9.3.4, and 2.9.3.5, as applicable.

2.2.2.2 Natural gas.Fortesting determine the conventional electric oven 2.7 Test blocksfor conventionaloven and convertible cooking appliances or appliances thermostat setting to provide an average cookingtop.The test blocks shall be made of which are designed to operate using only internal temperature which is 325°±5°F aluminum alloy No. 6061, with a specific natural gas, maintain the natural gas pressure (162.8°±2.8°C) higher than the room ambient heat of0.23 Btu/lb-°F (0.96 kJ/[kg°C]) and immediately ahead ofall controls ofthe unit air temperature. This shall be done by with any temper that will give a coefficient under test at 7 to 10 inches ofwater column measuring the maximum and minimum ofthermal conductivity of2.6 to 2.8 BTU-in/ (1743.6 to 2490.8 Pa). The regulator outlet temperatures in any three consecutive cut- in-ft 2F.(154.8 to 171.5 W/[m°C]). Each pressure shall equal the manufacturer's off/cut-on actions of the electric resistance block shall have a hole at its top. The hole recommendation. The natural: gas supplied heaters, excluding the initial cut-off/cut-on shall be 0.08 inch (2.03 mm)in diameter and should have a heating value ofapproximately action, by the thermostat after the 0.80 inch (20.3 mm) deep. The manufacturer 1,025 Btu's per standard cubic foot (38.2 kJ/ temperature rise of325 0 ±5°F (162.8°:2.8"C) conducting the test may provide other means L). The actual gross heating value, Hn, in hasbeen attained bythe conventional which will ensure that the thermocouple Btu's per standard cubic foot (kJ/L), for the electric oven. Remove the thermocouple after junction is irstalled at this same position and natural gas to be used inthe test shall be the thermostat has been set. depth. obtained either from measurements made by 2.4.2 Conventional gasoven. Install five The bottom of each block shall be flat to the manufacturer conducting the test using parallel-connected weighted thermocouples, within 0.002 inch (0.051 mm) TIR (total equipment that meet the requirements one located at the center ofthe conventional indicator reading). Determine the actual described in section 2.9.4 or by the use of gas oven's usable baking space and the other weight of each test block with a scale with bottled natural gas whose gross heating value four equally spaced between the center and an accuracy as indicated in section 2.9.5. is certified to be at least as accurate a value the corers of the conventional gasoven on 2.7.1 Conventionaloven testblock. The that meet the requirements in section 2.9.4. the diagonals ofa horizontal plane through test block for the conventional oven, W1,

2.2.2.3 Propane. For testing convertible the center of the conventional gas oven. Each shall be 6.25±0.05 inch (158.8±1.3 mm) in cooking appliances with propane or for weighted thermocouple shall be constructed. diameter, approximately 2.8 inches (71 mm) testing appliances which are designed to ofa copper disc that is 1-inch (25.4 mm) in high and shall weigh 8.5±0.1 lbs (3.86±0.05 operate using onlyLP-gas, maintain the diameter and a-inch (3.2 mm) thick. The kg). The block shall be finished with an propane pressure immediately ahead ofall two thermocouple wires shall be located in anodic black coating which has a minimum controls of theunit under test at 11 to 13 two holes inthe disc spaced 1/-inch (12.7 thickness of0.001 inch (0.025 mm) or with inches ofwater column (2740 to 3238 Pa). mm) apart, with each hole being located V4- a finish having the equivalent absorptivity. The regulator outlet pressure shall equal the inch (6.4 mm)from the center of the disc. 2.7.2 Small testblockforconventional manufacturer's recommendation. The Both thermocouple wires shall be silver- cookingtop.The small test block, W2, shall propane supplied should have a heating soldered to the copper disc. Provide a be 6.25±0.05 inches (158.8±1.3 mm) in value ofapproximately 2,500 Btu's per temperature indicator system for measuring diameter, approximately 2.8 inches (71 mm) standard cubic foot (93.15 kJ/L). The actual the oven's temperature with an accuracy as high and shall weigh 8.5±0.llbs (3.86±0.05 gross heating value, Hp, in Btu's per standard indicated in section 2.9.3.2. Ifthe oven kg). cubic foot (kJ/L), for the propane to be used thermostat does not cycle on or off, adjust or 2.7.3 Large testblockforconventional in the test shall be obtained either from determine the conventional gas oven cooking top. The large testblock for the measurements made by the manufacturer thermostat setting to provide an average conventional cooking top, W3, shall be conducting the test using equipment that internal temperature which is 325°±5°F 9±0.05 inches (228.6±1.3mm) indiameter, meet the requirements described in section (162.8±°2.8°C) higher than the room ambient approximately 3.0 inches (76 mm) high and 2.9.4 or by the use ofbottled propane whose air temperature. Ifthe oven thermostat shallweigh 19±0.1 Ibs (8.62±0.05 kg). gross heating value iscertified to be at least operates by cycling on and off, adjust or 2.7.4 ThermocoupleInstallation.Install
as accurate a value that meet the determine the conventional gas oven the thermocouple such that the thermocouple requirements described in section 2.9.4. thermostat setting toprovide an average junction (where the thermocouple contacts

2.2.2.4 Testgas.A basic model ofa internal temperature which is 325°*5°F the test block) is at the bottom ofthe hole convertible cooking appliance shall be tested (162.8±2.8°C) higher than the room ambient provided in the test block and that the with natural gas, but mayalso be tested with air temperature. This shall be done by thermocouplejunction makes good thermal propane. Any basic model of a conventional measuring the maximum and minimum contact with the aluminum block. Ifthe test 

## 15350 Federal Register / 

### Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

anelectrical supply drcuitwithvoltage as spedfied in section 2.2.1. Awalt meter and watt-hour meter shall be installed inthe circuitand shallbe as described in section 2.9.1.1. and 2:9.1.2. Iftrial runs ate needed to set the "on" time for the test, the test measurements are to be separated according to section4, Paragraph 12.6 ofIEC 705.

2.2 

### EneT1JYsupply. 2;2.1 Electrical supply. Maintain the

. electrical supplyto.the conventionalrange,

conventional cooking top,and conventional
ovenbeing tested at 240/120 volts except that basic models rated only at 2081120 volts shall be tested atthat rating. Maintain the voltage within 2 percent ofthe above spedfted voltages, except for the microWave oven testing.Maintainthe electrical supply to a microwave ovenat 120 volts ±.l volt and at ' 60 hertz.

2.2.2 Gas supply. 2.2.2.1. Gas burneradjustments. Conventional 

## gas ranges. ovens, and cooking tops shall be tested with all ofthe gas burners adjusted in accordance withthe installation
oroperationinstructionsprovided by the manufacturer. In every case, the bumer must· be adjusted with Suffideot

### ail flow to prevent
. a yellow flame ora flame withyellow tips.

2.2.2.2 Naturalgas. For testing convertible cooking appliances or appliances

.which are designed to operate using only natural gas, maintainthe natural gas pressure immediately ahead ofall controls ofthe unit under**~st** at 7 to 10 inches ofwater column (1743.6 to**24.90~8** Pa). The regulator outlet pressure shallequal the manufacturer's recommendation. The natural:gas supplied should have a heating value ofapproximately 1,025 Btu's perstandard cubic foot (38.2 kJl L). The actual gross heatingValue, Hn, in

. Btu's per sc:andard cubic foot (kJ1L), for the natural gas to be used in the test shall be obtained either from measurements madeby the manufacturer conductingthe test using equipmentthat meet the requirements described in section 2.9.4 orbythe use of

.

. bottled natural gas whose gross heatingvalue is certified to be atleast as accurate a value thatmeet the requirements in section 2.9.4.
,

2.2.2.3 Propane. For testing convertible cooking appliances with propane offor testing appliances whichare designed to operate using onlyLP-gas, maintain the

. propane pressure immediately ahead ofall

. controls ofthe uilit undertest at 11 to 13 inches ofwater column (2740 to 3238 Pal. The regulator outlet pressure shall equal the manufacturer's recommendation. The propane supplied should have a heating
, value ofapproximately 2,500 Btu's per

. standard cubic foot (93.15 

### kJlL). The actual gross heating value, Hp , in Btu'sper standard cubic foot (kJ1L), for the propane to be used lit the test shall beobtained either from measurements made by the manufacturer conductingthe test using equipmentthat meet the requirements described in section 2.9.4 orbythe use ofbottled propane whose gross heating value iscertified to be at least
as accurate a value that meet the requirements described in section 2.9.4.

- 2.2.2,4 Testgas. A basic model ofa convertiblecooking appliance shall be tested withnatural gas, butmay also be tested with propane. Anybasic model ohconventional range, conventional cooking top, or temperatures in any.three consecutive cutconventional oven whichisdesigned to offlcut..on actions ofthe gas burners,
,

. operate using orily natural gas asthe energy excluding the initialcut-off/cut-on action, by

source mustbe tested with natural gas. Any the thermostat after the temperature rise of basic modeI'ofa conventional**i"ange,325~OF (162.8~.8°C)**  hasbeen attained by conventional cooking top, orconventional the conventional gas oven. Remove the '
oven whichis designed tooperate using only thermocouple after the thermostathasbeen
, LP gas as the gas energy source mustbe set.

. testedwith propane gas.

.**2~5** Ambientroom alitemperature.

2.3 AIrc1rculatlon:Maintain air During the test, maintain

### an ambientroom air circulationin the room suffidentto secure a temperature, TRo of77°±9°F (25°±5°C) for reasonably uniformtemperature distribution, conventional ovens and'cookingtops, or as butdo notcause a direct draft onthe unit indicated in section 4, Paragraph 12.4 ofIEC undertest.. 705 for microwave ovens asmeasured atleast

2.4 Setting the conventionaloven 5 feet (1.5 m) and not more than 8 feet (2.4 theimostat.

. m) from the nearest surfaceofthe unit uDder

2.4.1· Conventional electricoven. Install atesland approximately 3 feet (.9 m) above the thermocouple approximately in the center of floor; The temperature shall be measured ' the usable baking space. Provide a with a thermometer or temperature temperature iridicator system for measuring indicating systemwith an accuracy as the oven's temperature with anaccuracy as indicateq in section 2.9.3.1. indicatedin section 2.9.3.2. 

### ifthe oven 2.6 Normalnonoperatingtemperature

.. thermostat does notcycle onand off, adjust All areas ofthe appliance to be tested shall ordetermihe the conventional electric oven attainthe normal nonoperating temperature, thermostat settingto provide an average as defined insection 1.6, before 

### any testing iriternal temperature which is 325°±5°F begins. The equipmentfor measuring the ,(162.8°±2.8°C) higher than the room ambient

_appUcable normal nonoperating temperature airtemperature. Ifthe oven thermostat shall be as desci1t>ed in sections 2.9.3.1, operates bycycling onand off, adjust or 2.9.3.2. 2.9.3.4, and 2.9.3.5, asapplicable. determine the conventional electric oven 2.7 Test blocksfor conventionaloven and**therm~tat** setting to provide

### tm average cooklng top. The test blocks shall be made of internal temperaturewhich is**325~oF** aluminumalloy No. 6061, with a speciftc**(l62.8~.8°C)** higher than the room anibient' heatof0.23 Btulllr°F (0.96 kJ/[kg"C)) and air temperature. This shallbe done by •**~th** any temper that will give a coeffident .measui1ng the l1lllXimum and minimum ofthermal conductivity of2.6 to 2.8 BTU-in!

temperatures inany three consecutive cut- in-ft2_oF.(154.8 to 171.5 W/[moC)). Each off/cut-on actions ofthe electric resistance block shall have a hole at itstop. The hole heaters, excluding the initial cut-offlcut-on shall be 0.08 inch (2.03 mm) in diameter and action, bythe thermostat after the'

. 0.80 inch (20.3 rnm) deep. The manufacturer temperature rise of 325°±5°F (162.8°±2.8°C) conductingthetestmay provide othermeims 

### hils been attained bythe conventional whichwill ensUre that the thermocouple electric oven. Remove thethermocouple after. junctionisinStalled at this same position and the thermostilthas been set. , depth.

2.4.2 Conventionalgas oven. Install five The bottomofeach block shall be flat to parallel-connected weighted thermocouples, within 0.002 inch (0.051 rnm) TIR (total

one located atthe Center ofthe conventional indicator reading). Determine the actual ' gas oven's usable baking space and the other weightofeachtest block witha scale with four equally spaced betweenthe centerand an accuracy as indicated in section 2.9.5

. the comers ofthe conventional gas oven on 2.7.1 Conventional oven testblock. The the diagonals ofa horizontal plane through test blockfor the conventional oven, WI. the centerofthe conventional gas oven. Each

. shall be 6.25±O.05 inch (158.8±1.3 rnm) in weighted thermocouple shall be constructed. diameter, approximately 2.8 tDches (71 rnm) ofa copperdisc that is I-inch (25.4rnm) in high and shall weigh 8.5±O.llbs (3.86±O.05 diameter and IAI-inch (3.2 mm) thick. The kg). The bloc;:k shall be finished with an two thermocouple wires shall be located in anodic black coating which has a minimum two holes inthe disc spaced liz-inch (12.7 thickness of0.001 inch (0.025 mm)or with mm) apart, witheach hole being located 1/4- a finish having the equivalentabsorptivity. trich (6.4· min) from the centerofthe disc. 2.7.2 Small test blockfor conventional BOth thermocouple wires shall be silver- cooklng top. The small test block, W2, shall soldered to the copperdisc. Provide a be 6.25±O.05 inches (158.8±1.3 rnm) in 'temperature ihdicatOr system for measuring diameter, approximately 2.8 inches (71 mm)

.. the oven's temperature with anacCuracy as high and shall weigh 8.5±O.llbs. (3.86±O.05 indicated in section 2.9.3.2.'«the oven kg). .' thermostat dOt!Sriot cycle 00oroff,adjustor 2.7.3 Large test blockfor conventional determihe theConventional gas oven cooklng top.The large testblock for the thermostat settlngtoprovide an average conventional cooking top, W3, shall be internal temperature whichis**325~.oF** 9±O.05 inches (228.6±1.3 mm) indiameter, (162.8°±2.8°C) higher than the room ambient approxiinately 3.0 inches (76 mm) high and airtemperature. Hthe overi thermostat shall weigh 19±O.llbs (8;62±O.05 kg).**opera~es** by cycling onand off. adjustor '2.7.4 Thermocouple installation. Install determine the conventional·gas oven the thermocouple such that the thennocouple thermostat setting to provide ailaverage junction (where the thermocouple contacts internal temperature whichis**325~oF** the test block) isatthe bottom ofthe hole (l62.8±2.8°C) higher thanthe room ambient provided in the test block and that the airtemperature. This shallbe doneby thermocouplejunctionmakes good thermal measuring the rrulxtmum and minimum contactwith the aluminum blQCk. Hthe test I.' \

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15351

blocks are to be water cooled between tests 2.9.3 Temperaturemeasurement each of those two modes. Ifthe oven the thermocouple hole should be sealed, or equipment thermostat does not cycle on and off, adjust other steps taken, to insure that the 2.9.3.1 Room temperatureindicating' or determine the conventional electric oven thermocouple hole is completely dry at the system. The room temperature indicating thermostat setting to provide an average start of the next test. Provide a temperature system shall be as specified in section 4, internal temperature which is 325°+5°F indicator system for measuring the test block Paragraph 12.3of IEC 705. (162.8°±2.8°C) air temperature. Ifthe oven temperature with an accuracy as indicated in 2.9.3.2 Temperatureindicator systemfor thermostat operates by cycling on and off, section 2.9.3.3. measuringconventionaloven temperature. adjust or determine the conventional electric

2.7.5 Initialtestblocktemperature. The equipment for measuring the oven thermostat setting to provide an average Maintain the initial temperature ofthe test conventional oven temperature shall have an internal temperature which is 3250 ±5°F blocks, Ti, within ±4°F (±2.2°C)ofthe error no greater than ±4°F (±2.2 0C)over the (162.8°±2.8 0 C) higher than the room ambient ambient room air temperature as specified in range of 65°to 5000 F (18°C to 2600 C). air temperature. The oven shall remain on for section 2.5. Ifthe test block has been cooled 2.9.3.3 Temperatureindicator systemfor at least one complete thermostat "cut-off/cut- (orheated) to bring it to room temperature, measuring testblock temperature. The on" ofthe electrical resistance heaters or gas allow the block to stabilize for at least 2 system shall have an error no greater than burners after the test block temperature has minutes after removal from the cooling (or ±2F (±1.I°C) when measuring specific increased 2340F (112.2°C) above Its initial heating) source, before measuring its initial temperatures over the range of 65° to 3300 F temperature. temperature. (18.3°C to 165.6°C). It shall also have an error 3.1.1.1 Self-cleaningoperation of a 2.8 Microwave oven testload. no greater than ±2°F (±1.1°C) when conventionaloven.Establish the test 2.8.1 Test container. The test container measuring any temperature difference up to conditions set forth in section 2, "TEST shall be as specified in section 4, Paragraph 240°F (115.60C) within the above range. CONDITIONS," of this Appendix. Adjust any 12.2 of IEC 705. 2.9.3.4 Testloadtemperatures.The pilot lights of a conventional gas oven In

2.8.2 Test waterload.The test water load thermometer or other temperature measuring accordance with the manufacturer's shall be as specified in section 4, Paragraph instrument used to measure the test water' instructions and turn offthe gas flow.to the 12.1 ofIEC 705. load temperature shall be as specified in conventional cooking top. The temperature of

2.8.2.1 Test waterloadandtest container section 4,Paragraph 12.3 of IEC 705. Use the conventional oven shall be its normal temperature. Before the start of the test, the only one thermometer or other temperature nonoperating temperature asdefined in
oven and the test container shall be at measuring device throughout the entire test section 1.6 and described in section 2.6. ambient temperature as specified In section procedure. Then set the conventional oven's self4, Paragraph 12.4 ofIEC 705. The test water 2.9.3.5 Temperatureindicator system for cleaning process inaccordance with the load shall be contained in a chiller (not the measuringsurface temperatures.The. manufacturer's instructions. Ifthe selftest container) and maintained at 18°±1.8°F temperatures ofan external surface ofan cleaning process is adjustable, use the (10°±l°C) below the ambient room -appliance shall be measured by means ofa average time recommended by the temperature. thermocouple in firm contact with the manufacturer for a moderately soiled oven.

2.9 Instrumentation.Perform all test surface. The temperature indicating system 3.1.1.2 Continuouslyburning pilotlights measurements using the following shall have an error no greater than ±.45°F of a conventional gas oven. Establish the test instruments, as appropriate: (±0.25°C)over the range 650 to 90°F (18°C to conditions setforth in section 2, "TEST

2.9.1 ElectricalMeasurements. 32°C). CONDITIONS," of this appendix. Adjust any 2.9.1.1 Watt-hourmeter.The watt-hour 2.9.4 Heating Value. The heating value of pilot lights ofa conventional gas oven in meter for measuring the electrical energy the natural gas or propane shall be measured accordance with the manufacturer's consumption of conventional ovens and with an Instrument and associated readout instructions and turn offthe gas flow to the cooking tops shall have a resolution ofat device that has a maximum error no greater conventional cooking top. Ifa positive least 1watt-hour (3.6kJ) and a maximum than .5% ofthe measured value and a displacement gas meter is used the, test
error no greater than 1.5 percent of the resolution of .2% or less ofthe full scale duration shall be sufficient to measure a gas measured value. The watt-hour meter for reading ofthe indicator instrument. The consumption which is at least 200 times the measuring the energy consumption of heating value ofnatural gas or propane must resolution of the gasmeter. microwave ovens shall have a resolution of be corrected for local temperature and 3.1.2 Conventionalcooking top.Establish at least 0.1 watt-hour (.36 kj) and a maximum pressure conditions. the test conditions set forthin section 2,
error no greater than 1.5 percent of the 2.9.5 Scale.The scale used for weighing "TEST CONDITIONS," ofthis appendix. measured value. the test blocks shall have a maximum error Adjust any pilot lights of a conventional gas

2.9.1.2 Wattmeter.The wattmeter used to no greater than 1 ounce (28.4 g). The scale cooking top in accordance with the
measure the conventional oven, conventional used for weighing the microwave oven test manufacturer's instructions and turn offthe range, microwave/conventional range clock water load shall be as specified in section gasflow to the conventional oven(s), if so power or the power input of the microwave four, paragraph 12.3 ofIEC 705. equipped. The temperature of the shall have a resolution of at least 0.2 watt (0.2 conventional cooking top shall be Its normal J/s) and a maximum error no greater than 5 3. TestMethodsand Measurements nonoperating temperature as defined in percent of the measured value. 3.1 Test methods. section 1.6 and described in section 2.6. Set

2.9.2 GasMeasurements. 3.1.1 Conventionaloven. Perform a test the test block inthe center ofthe surface unit 2.9.2.1 Positivedisplacementmeters.The by establishing the testing conditions set under test. The small test block, W 2, shall be gasmeter to be used for measuring the gas forth in section 2, "TEST CONDITIONS," of used on electric surface units of7 Inches (178 consumed by the gasburners ofthe oven or this appendix, and adjust any pilot lights of mm) or less indiameter. The large test block, cooking top shall have a resolution ofat least a conventional gas oven in accordance with W 3 , shall be used on electric surface units 0.01 cubic foot (0.28 L) and a maximum error the manufacturer's instructions and turn off over 7 inches (177.8 mm) in diameter and on no greater than 1percent ofthe measured the gas flow to the conventional cooking top, all gas surface units. Turn on the surface unit value. If a positive displacement gas meter is ifso equipped; under test and set its energy input rateto the used for measuring the gas consumed by the Before beginning the test, the conventional maximum setting (100 percent). When the pilotlights, it shall have a resolution of at oven shall be at its normal nonoperating test block reaches 144°F (62.2°C) above its least 0.01 cubic foot (0.28 L) and have a temperature as defined in section 1.6 and initial test block temperature, immediately maximum error no greater than 2 percent of described in section 2.6. Set the conventional reduce the energy input rate to 25*5 percent the measured value. oven test block Wl approximately in the of the maximum energy input rate. After

2.9.2.2 Flowmeter.If a gas flow meter is center of the usable baking space. If there Is 15±0.1 minutes at the reduced energy setting, used for measuring the gas consumed by the a selector switch for selecting the mode of turn offthe surface unit under test. pilot lights, it shall be calibrated to have a operation ofthe oven, set it for normal 3.1.2.1 Continuouslyburning pilotlights maximum error no greater than 1.5 percent baking. If an oven permits baking by either of a conventional gascooking top.Establish ofthe measured value and a resolution ofat forced convection by using a fan, or without the test conditions setforth in section 2, least 1, percent of the measured value, forced convection, the oven is to be tested in "TEST CONDITIONS," of this appendix. 

### Federal Register / 

### Vol. 60. No. 56 / Thursday. March 23. 1995/ Proposed Rules 15351

blocks are to be water cooled between tests the thermocouple hole should be sealed. or other stepstaken. toinsure that the thermocouple hQle iscompletely dry at the start ofthe next test. Provide a temperature indicator system for measuring the testblock temperature with an accuracy asindicated in section-2.9.3.3.

2.7.5 Init1al test block temperature. Maintain the initial temperatureofthe test blocks, TI • within ±4°F (±2.2°C) ofthe ambientroom air temperature as specified in section 2.5. Ifthe test block has been cooled (or heated) to bringit to room temperature. allow the block to stabilize for atleast 2 minutes after remoViil from the cooling (or heating) source. before measuring its initial temperature.

2.S Microwave oven test load. 2.8.1 Test container. The test contairler shall be as specified in section 4. Paragraph 12.2 oflEC 705.

2.S.2 Test waterload. The testwater load shall be as specified in section 4, Paragraph 12.1 oflEC 705.

2.8.2.1 Test waterloadand test container temperature. Before the start ofthe test, the

oven and the test container shall be at ambient temperature as specified in section 4, Paragraph 12.4 oflEC 705. The test water load shall be contairled in a chlller (not the test container) and maintatOed at ISo±1.8°F (lO"±IOC) below the ambient room temperature.

2.9 Instrumentat1on. Perform all test measurements using the following instruments. as appropriate:

2.9.1 Electrical Measurements. 2.9.1.1 Watt-hour meter. The watt-hour meter for measuring the electrical energy

- consumptionofconventional ovens and

cooking tops shall have a resolution ofat least 1watt-hour (3.6 kj) and a maximum

error no greater than 1.5 percent ofthe measured value. The watt-hour meter for measuring the energy consumption of microwave ovens shall have a resolution of at least 0.1 watt-hour (.36 kj) and a maximum
error no greater than 1.5 percent ofthe measured value.

2.9.1.2 Wattmeter. The wattmeter used to
measure the conventional oven. conventional range, microwave/conventional range clock power or the power input ofthe microwave shall have a resolution ofatleast 0.2 watt (0.2 J/s) and a maximum error no greater than 5 percentofthe measured value.

2.9.2 GasMeasurements. 2.9.2.1 Positive displacementmeters. The gas meter to be used for measuring the gas consumed by the gas bUITlers ofthe oven or cooking top shall Qave a resolution ofat least 0.01 cubic foot (0.28 L) and a maximum error no greater than I percentofthe measured value. Ifa positive displacement gas meter is used for measuring the gas consumed by the pilot lights, it shall have a resolution ofat least 0.01 cubic foot (0:28 L) and have a maximum error no greater than 2 percent of the measured value.

2.9.2.2 Flowmeter. Ifa gas flow meter is used for measuring the gas consumed by the pilot lights, itshall be calibrated to have a maximum error no greater than 1.5 percent ofthe measured value and a resolutionofat least I.percentofthe measured value. 2.9.3 Temperature measureiriimt equipment.

.

2.9.3.1 Room temperature indlcarms" system. The room temperature indicating system shall be as specified in section 4. Paragraph 12.30flEC 705.

2.9.3.2 Temperature indicatorsystemfor measuring convent1onal oven temperature. Theequipmentfor measuring the conventional oven temperature shall have 

### an
error no greater than±4°F (±2.2°C) over the range of65° to 500°F (l8°C to 260°C).

2.9.3.3 Temperature indicatorsystemfor measuring test block temperature. The system shall have an error no greater than ±2°F (± 1.10C) whelJ measuring specific temperatures over the range of65° to 330°F (l8.3°C to 165.6°C). Itshallalso have anerror

. no greater than±2°F (±1.1°C) when

measuring any temperature difference up to 240°F (l15.6°C) withinthe above range.

2.9.3.4 Test load temperatures. The thermometer orother temperature measuring instrumentused to measure the test water'

. load temperature shall be as spedfleet in section 4, Paragraph 12.3 ofIEC 705. Use only one thermometer orother temperature measuring device throughout the entire test procedure.

-

2.9.3.5 Temperature indicatorsystemfor measuringsurface temperatures. The. temperatures ofan external surface ofan -appliance shall be measured by means ofa thermocouple in f1rm contact with the surface. The temperature indicating system shall have an error no greater than±.45°F (±O.25°C) over the range 65° to goOF (l8°C to 32°C).

2.9.4 Heating Value. The heating value of the natural gas orpropane shall be measured with aninstrument and associated readout device that has a maximum error no greater than .5% ofthe measured value and a resolution of .2% or less ofthe full scale reading ofthe indicator instrument. The heating value ofnatural gas or propane must be corrected for local temperature and pressure conditions.

2.9.5 Scale. The scale used for weighing the test blocks shall have a maximum error no greater than I ounce (28.4 g). Thescale used for weighing the microwave oven test water load shall be as spedfied in section four, paragraph 12.;3 oflEC 705.
3. TestMethods andMeasurements

3.1 Test methods. 3.1.1 Conventional oven. Perform a test by establishing the testing conditions set forth in section 2, "TEST CONDmONS," of this appendix, and adjust anypilotlights of
a conventional gas oven in accordance with the manufacturer's instructions and tum off the gas flow to the conventional cookingtop, ifso equipped.

Before beginning the test, the conventional
oven shall beat its normal nonoperating temperature asdefined in section 1.6 and described in section 2.6. Set the conventional
oven test block WI approximately inthe center ofthe usable baking space. Ifthere is
a selector switch for selecting themode of operation ofthe oven: set itfor normal

. baking. Ifan oven permits baking by either forced convection by using a fan, or without forced convection, the ovenis to be tested in each ofthose two modes. Ifthe oven thermostatdoes not cycle on and off, adjust
or determine the conventional electric oven thermostat setting to provide an average internal temperature whichis 325°±5°F (l62.8°±2.S°C) air temperature. Ifthe oven thermostat operates bycycling on and off, adjust or determine the conventional electric
oventhermostat settingto provide an average internal temperature whichis 325°±5°F (l62.8°±2.8°C) higher than the room ambient air temperature. The ovenshallremainon for atleast one complete thermostat**"cut~ff/cut** on" ofthe electrical resistance heaters orgas burners after the test blocktemperature has increased 234°F (I 12.2°C) above its initial temperature.

.

3.1.1.1 Self-cleaning operat1on ofa convent1onal oven. Establish the test conditions setforth in section 2, "TEST CONDITIONS," ofthis Appendix. Adjust any pilot lights ofa conventional gas oven in accordance with the manufacturer's instructions and.turn offthe gas flow.to the conventional cooking top. The temperature of the conventional oven shall be its normal nonoperating temperatUre asdefined in section 1.6 and described in section 2.6. Thim set the conventional oven's selfcleaning process in accordarlCe with the manufacturer's instructions. Ifthe**self~** cleaning process is adjustable, use the average time recommended by the manufacturer for a moderately soiled oven.

3.1.1.2 Cont1nuously burningpilotlights ofa conventionalgas oven. Establish the test conditions setforth in section 2. "TEST CONDITIONS," ofthis appendix. Adjust any pilot lights ofa conventional gas ovenin accordancewith the manufacturer's instructions and turn ottthe gas fiow to the conventional COOking top. Ifa positive displacement gas meter is used the, test duration shall be suffident to measure a gas consumption whichis at least 200 times the resolution ofthe gas meter.

3.1.2 Conventional cooking top; Establish the test conditions set forth in section 2, "TEST CONDmONS." ofthis appendix. Adjust any pilot lights ofa conventional gas COOking top in accordance withthe manufacturer's instructions and tum offthe gas flow to the conventional oven(s), ifso equipped. The temperature ofthe conventional cooking top shall be its normal nonoperating temperature as defined in section 1.6 and described in section 2.6. Set the testblock inthe center ofthe surface unit under test. The small test block, W2, shall be used onelectric surface units of7 inches (I78 mm) or less indiameter. The large test block, W3, shall be used onelectric surface units
over 7 inches (l77.8 mm) in diameter and on all gas surface units. Tumonthe surface unit under test and setits energy input rate to the maximum setting (100 percent). When the test block reaches 144°F (62.2°C) above its initial test block temperature, immediately reduce the energy input rate t025±5 percent ofthe maximum energy input rate, After 15±O.1 minutes at the reduced energy settlrig, tum offthe surface unit under test.

3.1.2.1 Cont1nliously burnlngpilotlights ofa conventionalgas cooking top. Establish the test conditions setforth in section 2, "TEST CONDmONS," ofthis appendix.

### 15352 Federal Register / Vol; 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

Adjust any pilot lights of a conventional gas cubic feet (L)of gas for conventional gas ED. Ifthe thermostat controls the oven cooking top.in accordance with the ovens. For a gas oven that can be operated temperature without cycling on and off. manufacturer's instructions and turn offthe with or without forced convection, measure record Eo. Fora gas oven which also uses gas flow to the conventional oven(s). If a in watt-hours any electrical energy consumed electrical energy for the ignition or operation positive displacement gas meter is used, the byan ignition device or other electrical of the oven alsorecord Em test duration shall be sufficient to measure a components required for the operation ofa 3.3.5 For a convenona oven that can be gas consumption which is at least 200 times conventional gas oven while heating the test 3 a f n a t a n b the resolution of the gas meter. block to To using the forced convection operated with or without forced conveon

3.1.3 Microwaveoven. mode, (Eo) and without usingntrols the forceoven 3.1.3.1 Microwaveoven testenergyor convection mode, (E0)2. temperature without cycling on and off, poweroutput.Establish thetesting 3.2.1.2 Energy consumptionof self- measure the energy consumed withthe conditions set forth in section 2, "TEST cleaningoperation.Measure the energy forced convection mode, (Eo)l, and without CONDITIONS," ofthis appendix. Follow the consumption,-Es, in watt-hours of electricity the forced convection mode, (Eo)2. Ifthe test procedure as specified in section 4, orin standard cubic feet (L)ofgas consumed conventional oven operates with or without Paragraph 12.4 of IEC 705. during the self-cleaning test setforth in forced convection and the thermostat

3.2 Test measurements. section 3.1.1.1. For a gasoven, also measure controls the oven temperature by cycling on 3.2.1 Conventionaloven test energy inwatt-hours (k) any'electrical energy, Els, and off, record the conventional oven test consumption.Iftheoven thermostat controls consumed by ignition devices or other measurements TA, EA. TB, EB, Tc, Ec, TD, and the oven temperature without cycling on and electrical components required during the ED. For a gas oven that can be operated with off, measure the energy consumed, Eo, when self-cleaning test. or without forced convection, measure any the temperature ofthe block reaches To (To 3.2.1;3 Gasconsumptionofcontinuously electrical energy consumed by an ignition is 234°F (112.2°C) above the initial block burningpilotlights.Measure the gas device orother electrical components used temperature, T). Ifthe oven thermostat consumption ofthe pilot lights, Po, in d
, the e ectr, i\ operates by cycling on and off, make the standard cubic feet (L) ofgas and the test during the forced convection ode E following series ofmeasurements: Measure duration, Lo, in hours for the test set forth and without using the forced convection the block temperature, TA, and the energy inSection 3.1.1.2. If a gas flow rate meter is mode, I o) 2 consumed, EA, at the end ofthe last "ON" used, measure the flow rate, PR, in standard 3.3.6 Record the measured energy period ofthe conventional oven before the cubic feet per hour (L/s). consumption, Es, and for a gas oven, any block reaches To. Measure the block 3.2.1.4 Clockpower. Ifthe conventional electrical energy, ELs for the test of the selftemperature, TB, and the energy consumed, oven, conventional range, or microwave/ cleaning operation of a conventional oven. EB, at the beginning ofthe next "ON" period. conventional range includes an electric clock 3.3.7 Record the gas flow rate, PR; or the Measure the block temperature, Tc, and the which is on continuously, and the power gas consumption, Po, and the elapsed time, energy consumed, Ec, at the end of that "ON" rating in watts 0/s) of thisfeature is not Lo, that any continuously burning pilot lights period. Measure the block temperature, TD,

- known, measure the clock power, PcL, in ofa conventional oven are under test. and the energy consumed, ED, atthe watts U/s.) 3.3.8 Record the clock power beginning of the following "ON" period. 3.2.2 Conventional surface unittest measurement or rating, Pc., in watts. Energy measurements for Eo, EA, EB, Ec and energyconsumption.For the surface unit 3.3.9 For the surface unit under test, ED should beexpressed in watt-hours for under test, measure the energy consumption, record the energy consumption, EcrT the final conventional electric ovens or standard cubic Ecr, in standard cubic feet (L) of gas or watt- test block temperature, Tcr, the total test -feet (L) ofgas for conventional gas ovens. For hours ofelectricity, and the testblock me, TT For a gas cooking top which uses a gas oven, measure in watt-hours any temperature, Tcr, at the end ofthe 15 minuteelectrical energy for Ignition ofthe burners electrical energy, Eio, consumed by an (reduced input setting) test interval for the alsorecord Eic. ignition device or other electrical test specified in section 3.1.2 andthe total 3 30 RecordtheasfowrateP orthe components required forthe operation ofa time, TT, in hours, that the unit is under test. conventional gas oven while heating the test Measure any electrical energy, Ec consumedgas consumpton, Pc, and the elapsed time, block to To. by an ignition device ofa gas heating element Lc, that any continuously buning piot lights \ 3.2.1.1 Conventionalovenaverage test in watt-hours. ofa conventional gas cooking top are under energy consumption.Ifthe conventional 3.2.2.1 Gasconsumptionofcontinuously test.-
oven permits baking by either forced burning pilotlghts. Ifthe conventional gas 3.3.11 Record the heating value, Ha, as convection or without forced convection and cooking top under test has one or more determined in section 2.2.2.2 for the natural the oven thermostat does not cycle on and continuously burning pilot lights, measure gas supply. off, measure the energy consumed with the the gas consumed during the test by the pilot 3.3.12 Record the heating value, Hp, as forced convection mode, (Eo)
, and without lights, Pc, in standard cubic feet (L)of gas, determined in section 2.2.2.3 for thepropane the forced convection mode, (Eo 2,whenthe and the test duration; Lc, in hours.as supply. temperature oftheblock reaches To (To is specified in section 3.1.2.1. If a gas flow rate 3.3.13 Record the electrical input energy 234°F (112.2°C) above the initial block meter is used, measure the flow rate, P, in and power nput EM and PM forthe temperature, TI). Ifthe conventional oven standard cubic feet per hour (L/s). microwave oventest; the initial and final permits baking by either forced convection or 3.2.3 Microwaveoven testenergy temperature, T 1 and T 2,of the test water load; without forced convection and the oven consumptionand powerinput.the mass ofthe test container before filling thermostat operates by cycling on and off, Measurements are to be made as specified in with the test waterload and the mass of the make the following series ofmeasurements section 4, Paragraphs 12.4 and 13 ofIEC 705. test water load Mc and Mw respectively and with and without the forced convection Measure the electrical input energy, EM, in the measured room temperature To; as mode: Measure the block temperature, TA, watt-hours consumed by the microwave oven and the energy consumed, EA, at the end of during the test. Repeat all tests three times. eterned section the last "ON" period of the conventional 3.3 Recordedvalues. 4. Calculation ofDerivedResultsFrom Test
oven before the block reaches To. Measure 3.3.1 Record the test room temperature, Measurements the block temperature, TB, and the energy TR, at the start and end of each test,as nve nalov consumed, EB, at the beginning ofthe next determined in section 2.5. 41 o ven. "ON" period. Measure the block temperature, 3.3.2 Record measured test block weights 1 Test energyconsumption.For Tc, and the energy consumed, Ec, at the end W 1, W 2,and 

### W in pounds (kg). conventional ovenwith a thermostat which of that "ON" period. Measure the block 3.3.3 Record the initial temperature. Ti, of operates bycycling on and of,calculate the temperature, To, and the energy consumed, the test block under test. test energy consumption, Eo, corresponding ED, at the beginning of the following "ON" 3.3.4 For a conventional oven with a to To with the aid ofthe figure in section 5 period. Energy measurements for Eo, EA; EB, thermostat which operates by cycling on and ofthis appendix, expressed inwatt-hours (kDi Ec and ED should beexpressed in watt-hours off, record the conventional oven test for electric ovens and in Btu's (kJ) for gas for conventional electric ovens or standard measurements TA, EA, TB, EB, Tc, Ec, To, and ovens, and defined as:

-' */*. 

## 15352 Federal Register / VoL 60, No. 56 iThursday, March 23, 1995 /Proposed Rules

Adjust any pUot Ughts ofa conventio'nal gas cooking top.inaccordance with the

. mamifacturer's instructions and tum offthe

gas now to the conventional oven(s)

.

### .Ira positivedisplacement gasmeter isused, the testduration shall be sufficient to measure a

·gas consumptionwhich is at least 200 times, the resolution ofthe gas meter.

3.1.3 Microwave oven. 3.1.3.1 Miaowave oven test energy or poweroutput. EstabUsh the'testing conditions setforth in section 2, "TEST CONDmONS," ofthis appendix. Followthe test procedure as specified in section4, Paragraph 12.4 ofIEC 705.

3.2 Testmeasurements. 3.2.1 Conventional oven testenergy cOnsumption: Ifthe oven thermostat controls the oven temperature without**~cUng** on and off, measure the energyconsumed, Eo, when the temperature ofthe block reaches To (To is 234°F (112;2°C) above thelnltial block temperature, 

# Tv. Ifthe oventhermostat operates by cyclingon and off. make the following series ofmeasurenlents: Measure the block temperature. TA. and the energy consumed. EA. at the end ofthe last"ON" periodofthe conventional oven before the block reaches To. Measure the block temperature, TB. and the energy consumed. EB. at the beglnning ofthe next ".oN:' period., Measure the block temperature. 

### T c. and the energy consumed. 

### Ec. at the end ofthat "ON" period. Measure the block temperature. TD. and the energy consumed. ED. at the beglnning ofthe f?llowlng "ON" period.

. Energy measurements for 

### Eo. EA. EBi Ecand 

### Eo should beexpressedin watt-hOurs for conventionalelectric ovensorstandard cubic ·feet (L) ofgas for conventional gas ovens. For

. a gas oven, measure inwatt-hours any electrical energy. EIO. consumed by an ignition device or otherelectr:1cal components required for the operation of

## a conventional gasoven whUe heating the test block to T().

. . \ . . 3.2.1.1

. Conventional oven averaae test energy consumption. Ifthe conventional
oven permitsbakirigby eitherforced convection or without forced convectionand 

# me oven thermostat does not cycle on and

. off. measure the energy consumed with the forced convectionmode. (Eo)

.. and without 

### the forced convectionmode. {Eoh. when the temperature oftheblockreaches To (To is

·234°F (112.2°C)above the intt1a1 bl0'7k temperature. 

# Tv. Ifthe conventional oven

. permJts baking by eitherforced convection or

·without forced convection and the oven thermostat operates bycycUngon and off. make the following series ofmeasurements with andwithout the forced convection mode: Measure the block temperature. TA. and the energy consumed. EA. at the end of the last "ON" per1odofthe conventional
oven before the block reaches To. Measure the block temperature. TB. and the energy consumed. EB. at the beginrl1ng ofthe next "ON" period. Measure the block temperature. Tc.and the.energy consumed. 

### Ec. at the end

. ofthat "ON" period. Measure theblock

temperature. TD. and the energy consumed. 

### Eo. at the beg1nn1ngofthe foll<M1ng "ON" period. Energy measurementsfor. 

### Eo. EA; EB. 

### Ec and ED sHould be expressed inwatt-hours for conventional electric ovensorstandard cubic feet (L) ofgas for conventional gas ovens. For a gas oventhat can be operated with orwithout forced convection. measure inwatt-hours any electrical energy consumed by anignitiOn device or otherelectrical components required for the operationof

# a conventional gas ovenwhUeheating the test block to Tousingthe forced convection mode. (EIO)

.. and without

### tisifig theforced convectionmode. (Eloh.

3.2.1.2 Energy consumption ofself

### cleci'n1ng 'operation. Measure the energy conSumption.-

### Ea. inwatt-hours ofelectricity

orin standard cubic feet (L) ofgas consumed during the self-cleaning test setforth in section 3.1.1.1. Fora gaS oven. also measure in watt-hours (kj)any'electriCaI energy. EIB. consumed byignition devices or other electrical components required during the self-cleaning test. '.

3.2.1;3 Gas consumption 'of continuously burningpilotlights. Measure the gas consumption ofthe pUot lights. Po. in standard cubic feet (L) ofgas arid the test duration. 

### La. inhours for the test setforth

. in Section 3.1.1.2

. .Ifa gas nowrate meter is

.used. measUre the flow rate.Pa. in standard cubic feet perhour (LIs).

.

3;2.1.4 Clockpower. Ifthe conventional

oven. conventionalrange. or microwavel conventional range includes anelectric clock which is oncontinuously. and the power rating inwatts O/s) ofthis feature isnot known. measure the clockpower. Pa.. in watts O/s.)

3.2.2 Conventionalsurface unittest
:. energyconsUJDption. Forthe surface unit

.. under test. measure the energy consumption. 

### Ecr. instandard cubic feet (L) ofgas orwatthours ofelectricity. and the test block temperature, TCT. at the end ofthe IS minute (reduced input setting) test interval for the test specifledin section 3.1.2 and the total

. time. TT.in.hours. that the unit isunder test. Measure 

### any electricalenergy.EIC; consumed by an ignition device ofa gas heatingelement inwatt-hours.

.

3.2.2.1 Gas cOnsumption ofcontlnuously burningpilotilghts. Ifthe conventional gas

. cooking 

### totiunder test has one or more**continuo~ly** burning pilotlights. measure the gas consumedduring the test by the pUot lights. Pc. in standard cubicfeet (L) ofgas. and the testdurationi Le.in hours.as specifled insection 3.1.2.1. If

## a: gas now rate meter is used. measure the nowrate. P.in standard cubic feet perhour (LIs).

. 3.2.3 MicroWave oven testenergy cOnsumption andpowerInput. Measurements ani to be made as spec1f1ed in sectibn 4. Paragraphs 12.4 and 130flEC 705. Measure the electrical input energy. EM. in watt-hours consumed by the microwave oven during the test. Repeat all tests three times.

3.3 Recorded values. ' 3.3.1 Record the test room temperature. Ta. at the

## start arid end ofeachtest, as determined insection 2.5.

.

3.3.2 Record measured testblock weights W•• W2. and W3inpounds (kg).

.

3.3.3 Record the lnlt1al temperature. TI. of the test blockunder test.

.3.3.4 Fora conventional ovenwitha thermostat which operates bycycling on and off. record the conventional oven test measurements TA. EA. TB. Ea. Tc. 

### Ec. TD. and 

### Eo. Ifthe thermostatcontrolsthe oven temperaturewithout**~cUngon** and off. record Eo. Fora gas ovenwhic;:h also 

### uses electrical energy for the ignition or operation


## ·orthe oven

..also record EIO. 3.3.5 For a conventional oventhat can be

, operated with orwithout forced convection

.

and the oventhermostat controlsthe oven temperature without**~cUngon** and off.

measure the energyconsumed withthe forced convection mode. <Eo)•• and without theforced convection mode. (Eo)2. Ifthe conventional ovenoperates with or without forced convectionand the thermostat controlsthe oventemperature by**~cUng** on and off. record the conventional oven test measurements TA •EA. TB. EB. Tc. 

### Ec, 

## T D

•and



### · Eo. For a gas oven that canbe operated with

orwithout forced Convection. measure any electricalenergy consumed by an ignition device.or other electrical components used during the forced convectionmode. (EIO) •• and without using the forced convection mode. (Eloh.

3.3.6 Record the measured energy consumption. Es; and for a gas oven. any electrical energy. EIB. for the test ofthe self-

· cleaning.operation ofa conventiornlI oven. 3.3.7 Record**th~** 

### gas nowrate. Pa: or the gasconsumption. Po. and the elapsed time.

. 

### La. that anycontinuouslyburningpUot Ughts
, ofa conventional ovenare under test.

.

3.3.8 Record the**cl~kPower** measurement ot: rating. Pa.. inwatts.

3.3.9 Forthe surface unit under test, record the energy consumption.

### Ecr. the final test block temperature. TCT. the total test time. TT. Foragas**~king** top which 

### uses electricaI energy for ignitionofthe burners. also record E IC. . . '

.3.3.10 Record the gas nowrate. P; or the gas consumption. Pc. and the elapsed time. Le. that any**continuo~y** burningpllotlights ofa'conVentional gas cooking top 

### are under test.' '

3.3.11 Record the heatingvalue.'

### HD • as determined in section 2.2.2.2 for thenatural gas supply.

.

3.3.12 Record the heatlrigvalue. 

### Hp • as determined in section 2.2.2.3 for the propane supply. ".

3.3.13 Record the electricalinput energy and powerinput EM 

### and PM for the

·microwave oven test; the init1a1 and final temperature. T. and T2. ofthe test water load;

:the mass ofthe testcontainerbefore ftlling with the testwaterload and the mass ofthe

· testwater load. 

### Me and 

### Mw respectively; and· themeasured room**temperature~ T~;**  as determined insection 3.2.3.
4. Calculation of DerivedResultsFrom Test Measurements'

4.1 ConveiJtional oven. 4.1.1 Test energy consumption. For a conventional oven'with a thermostatwhich operatesby**~cl1ng** onand off. calculate the testenergy consumption. 

### Eo. corresponding to To with the aid ofthe figure in section 5 ofthls appendix. expressedin watt-hotirs{kJ)

·for electric ovens and inBtu's (kj) for gas
ovens. arid defined as:

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15353

E = EAB+ (E0)1 + (E) consumption for cooking, Eso, expressed in 

## ~T

0

### -T.- 

### .1x(E- E0 = 012 kilowatt-hours and defined as: 

# -TA (EcDA- EE = 

### EIO x He 

### xO L WCp .xT

' 

### for electric ovens, W X \xT (E1 0 ) 1 +(El 0)2 Where: 10 2 Elo=electrical test energy consumption as and, 

### E0 

### =(EAB 

### X H) + measured in section 3.2.1 or as O v d~E, AB,~x) 7 Where: calculated in section 4.1.1.1. 

## .Y

T -T 

# 1 (Eo) =rtest energy consumption using the Oo=35.5 kWh per year, annual useful 

# To- AjB 

### x(E 

## E

## AE 

# )xH forced convection mode 

### in watt-hours cooking energy output. [ TCD-~TAB

- E(kJ) for electric ovens and in Btu's (kj)for H, W,, Cp, and T are as defined in section gas ovens as measured in section 3.2.1.1. 4.1.2.1.1. for gas ovens (Eo)2=test energy consumption without using 4.1.2.2 Annualenergyconsumptionof

- Where: the forced convection mode in watthours (kj) for electric ovens and in Btu's any continuouslyburning pilotlights. H-either H. or Hp, the heating value ofthe (J) for gas ovens as measured in section Calculate the annual energy consumption of gas used in the test as specified in 3.2.1.1. any continuously burning pilot lights, Epo, section 2.2.2.2 and section 2.2.2.3, (Eio) l=electrical energy consumption in watt- expressed in Btu's (ki) and defined as: expressed in Btu's per standard cubic hours (kJ) ofa gas oven in forced foot (kJ/L). convection mode as measured in section EP = PR H X(A-B), To=234°F (112.2°C) plus the initial test block 3.2.1.1. temperature. (EIo)2=electrical energy consumption in watt- or, and, hours (k) ofa gas oven without using the p forced convection mode as measured in E = 

### xH (A

- 

### B) (TA +TB) section 3.2.1.1.E L TAB =4.1.2 Conventionaloven annualenergy consumption.Where: 

### (TC + TD) 4.1.2.1 Annual cookingenergy PR=pilot gas flow rate in standard cubic feet TCD = consumption. per hour (L/s), asmeasured in section 

### 2 4.1.2.1.1 Annual primaryenergy 3.2.1.2. 

### (EA + EB) consumption.Calculate the annual primary Po=standard cubic feet (L)ofgas consumed

· 

### EAB = energy consumption for cooking, Eco, by any continuously burning pilot lights, 2 expressed inkilowatt-hours (k) for electric as measured in section 3.2.1.2.



### S(v * E,)~ Povens and in Btu's (kJ) for gas ovens, and Lo=elapsed test time in hours for any 

### E 

### = T EC

### +E DJ



### . defined as: continuously burning pilot lights tested, CD 2 as measured in section 3.2.1.2. Where:- E XOfor 

### electric ovens, H=H, orH

,,the heating value-ofthe gas used Where : ECO0 

### = ----- --



### E0 

### O for electric ovens, in the testas specified in section 2.2.2.2 TA-block temperature in °F (C) at the end W1 x Cp x T and section 2.2.2.3 in Btu's per standard of the last "ON" period of the cubic foot (kJ/L). conventional oven before the test block Where:A numbe o f hour i A-8,760, numberofhoursin ayear. reaches To. Eo=test energy consumption as measured in 300, number ofhours any continuously Tblock temperature in F (C) at the section 3.2.1 or as calculated in sectionburning pilot lights contribute to the beginning of the "ON" period following 4.1.1 or section 4.1.1.1. heang ofan oven for cooking food. the measurement ofTA. H=3.412 Btu/Wh (3.6 kJ/Wh,) conversion Tc=block temperature in °F (°C) at the end of factor of watt-hours to Btu's.4.1.2.3 Annualconventionalovenselfthe "ON" period which starts with TB. Oo=35.5 kWh per year, annual useful cleaningenergy. TD=block temperature in °F (°C) at the cooking energy output ofconventional 4.1.2.3.1 Annualprimaryenergy beginning of the "ON" period which electric oven. consumption.Calculate the annual primary follows the measurement ofTc. Wi=measured weight of test block inpounds energy consumption for conventional oven EA-volume of gasconsumed in standard (kg). self-cleaning operations, Esc, expressed in cubic feet (L) at the end ofthe last "ON" Cp=0.23 Btu/lb-°F (0.96 kJ/kg.°C), specific kilowatt-hours (kJ) for electric ovens and in period before the test block reaches To. heat of test block. Btu's (k) for gas ovens, and defined as: Es=volume ofgas consumed in standard T=234°F (112.2°C), temperature rise of test cubic feet (L)ofgas at the beginning of block. Ec = ES X Se x C, 

### for 

### electric ovens, the "ON" period following the or,h measurement TA. Ec=volume ofgas consumed in standard E x O Es=energy consumption in watt-hours, as cubic feet (L) ofgas at the end ofthe o r g a s ov e n s measured in section 3.2.1.2. "ON" period which starts with TB. W x Cp x T S.=ll
,average number of times a selfED=volume ofgas consumed in standard Where:cleaning operatior ofa conventional cubic feet (L) of gas at the beginning of electric oven is used per year. the "ON" pergy consumption as measured In C=.001 kW/W conversion factor for watts to the "ONa period which follows th section 3.2.1. or as calculated In section kilowatts. measurement ofTc. 4.1.1 or section 4.1.1.1. 4.1.1.1 Average testenergyconsumption. Oo124,200Btu (131,038k)D peryear,annual or, Ifthe conventional oven can be operated useful cooking energy output of with or without forced convection, determine conventional gas oven. ESC = Es x H x Sg, for gas ovens, the average test energy consumption, Eo and Wi, Cp and T are the same as defined above. Where Elo. in watt-hours (kJ) for electric ovens and 4.1.2.1.2 Annualsecondaryenergy Btu's (k) for gasovens using the following consumption for cooking of gasovens. sas c o n supto n standard cubic feet equations: Calculate the annual secondary energy, as measuren 

### Federal Register / 

### Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 

## 15353 

# [(:c:-_T;:)x(Eeo - EAB)]

for electric ovens,



### and, Eo =(EAB xH)+

[( TO-TAB )X(Eeo-EAB)XH]

Teo-TAB

- for gas ovens -Where: Haeither Ha orH", the heating value ofthe gas used in the test as specified in section 2.2.2.2 and section 2.2.2.3, expressed in Btu's per standard cubic foot (kJ/L). To=234°F (lI2.2°C) plus the 1n1tial test block temperature. and,

Where: TA=block temperature in of (0C) at the end ofthe last "ON" period ofthe conventional oven before the testblock reaches To. TB

...block temperature in of (0C) atthe beginning ofthe "ON" period following the measurement ofTA. Tc=block temperature in of (0C) atthe end of the

..ON" period which starts with TB. To=block temperature in of (0C) at the beginning ofthe "ON"period which foJlows the measurement ofTc.

- EA=volume ofgas_consumed in standard cubic feet (L) at the end ofthe last "ON" period before the test block reaches To. EB=volume ofgas consumed in standard cubic feet (L) ofgas at the beginning of the "ON" period following the

. measurement TA. Ec=volume ofgas consumed in standard cubic feet (L) ofgas at the end ofthe "ON" period which starts with TB

. _Eo=volume ofgas consumed in standard cubic feet (L) ofgas at the beginningof the "ON" period which follows the measurement ofTc. 4.1.1.1 AverBlJe test energy consumption. Hthe conventional ovencanbe operated with orwithout forced convection, determine the average test energy consumption, 

### Eo and E

IO, in watt-hours (kJ) for electric ovens and Btu's (kJ) for gas ovens using the following equations: Where: (Eo) I=test energy consumption using the forced convection mode in watt-hours (kJ) for electric ovens and in Btu's (kJ) for gas ovens

### as measured insection 3.2.1.1. (Eoh=test energy consumption without using theforced convection mode in watthours (kJ) for electric ovens and in Btu's (kJ) for gas ovens as measured in section 3.2.1.1. (EIO) I=electrical energy consumption inwatthours (kJ) ofa gas oven inforced convection mode as measured in section 3.2.1.1.

- (EIO!2=electrical energy consumption inwatthours (kJ) ofa gas oven without using the forced convection mode as measured in section 3.2.1.1. 4.1.2 Conventional oven annualenergy consumption.

4.1.2.1 Annualcooking energy consumption.

4.1.2.1.1 AnnualprtmaIYenergy consumption. Calculate the annual primary energy consumption for cooking, 

### Eco, expressed in kilowatt-hours (kJ) for electric
ovens and in Btu's**~)** for gas ovens, and defined as:



### for electric ovens,

Where: Eo=test energy consumption as measured in section 3.2.1 or as calculated in section 4.1.1 orsection 4.1.1.1. He=3.412 BtulWh (3.6 kjlWh,) conversion factor ofwatt-hours to Btu's. 00=35.5 kWh peryear, annual useful cooking energy outputofconventional

. electric oven. WI=measured weight oftest block in pounds (kg).**Cp~.23** BtulIb-oF (0.96 kjlkg·oC). spectflc heat oftest block. T=234OF (l12.2°C), temperature rise oftest block.

or.



### E _ EO xOo co
- 

### for gas 

### ovens, WI 

### xCp 

### xT

. Where:

Eo=test energy consumption as measured in section 3.2.1. or as calculated In section 4.1.I orsection 4. 1.1.1. 00=124,200 Btu (l31,038 kJ) peryear, annual useful cooking energy outputof conventional gas oven. WI, Cp and T are thesame as defined above.

4.1.2.1.2 AnnualsecondaIYenergy consumptionfor cooking of gas ovens. Calculate the annual secondary energy consumption for cooking, 

### Esc, expressed in kilowatt-hours and deflned as:



## E - _EIOxHexOO

so
- • WI 

### xCpxT

- Where: EIO_Iectrical test energy consumption as

- measured in section 3.2.1 or as calculated in section 4.1.1.1. 0 0=35.5 kWh peryear. annual useful cooking energy output. He. WI. 

### Cp. and T are as defined in section 4.1.2.1.1. 4.1.2.2 Annualenergy consumption of anycontinuouslyburningpilotlights. Calculate the annual energy consumption of any continuously burning pilot lights, E PO• expressed in Btu's (kJ) and defined as:

or.

Where: 

### Epo =PR 

### xHx(A-B),

Po

. Epo =-xHx(A-B) 

### Lo

I'R=pilot gas flow rate in standard cubic feet per hour (LIs). asmeasured in section 3.2.1.2. Po=Standard cubic feet (L) ofgas consumed

. by any continuously burningpilot lights,
as measured in section 3.2.1.2. Lo=elapsed test time inhours for any continuously burning pUot Ughts tested.
as measured in section 3.2.1.2. H=Ha orHp.the heatingvalue-ofthe gas used inthe test as spectfled in section 2.2.2.2 and section 2.2.2.3 in Btu's per standard cubic foot**~/L).** A=8.760. number ofhours in a year. B=3oo. number ofhours any continuously burningpilot Ughts contribute to the heating ofan oven for cooking food. 4.1.2.3 Annualconventional oven selfcleaning energy.

4.1.2.3.1 AnnualprtmaIYenergy consumption. Calculate the annual primary energy consumption for conventional oven self-cleaning operations. Esc. expressed in kilowatt-hours (kJ) for electric ovens and in Btu's (kJ) for gas ovens, and defined as:



### Esc = Es x 

### Se x

### C, for electric ovens, Where: Es=energy consumptionin watt-hours. as measured in section 3.2.1.2. Se=ll. average number oftimes a selfcleaning operation ofa conventional electric oven is used peryear. C=.ool kWIW conversion factor for watts to kilowatts.

or.


### Esc = Es x H x S8' 

### for gas 

### ovens, Where: Es=gas consumption in standard cubic feet (L). as measured in section 3.2.1.2.

### 15354 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

H-Hn or Hp, the heating value ofthe gas used Ifthe conventional gas oven uses electricaln inthe test as'specified in section 2.2.2.2 energy, calculate the total annual electrical 

### E =S 

### o) and section 2.2.2.3 in Btu's per standard energy consumption, EAOE, expressed in cubic foot (J/L). kilowatt-hours and defined as: t Ss-7, average number of times a self-cleaningtotal annual energy consumption of any pilot operation of a conventional gas oven is EAOE =E + 

### Es,+ EC, lghts, used per year. Where: 4.1.2.3.2 Annual secondaryenergy Where: Epo annual energy consumption of any consumption forself-cleaningoperationof Eso = annual secondary cooking energy continuously burning pilot lights gasovens. Calculate the annual secondary consumption as determined in section determined according to section 4.1.2.2. energy consumption for self-cleaning 4.1.2.1.2. n

- number ofpilot lights in the basic model. operations ofagas oven, Ess,'expressed in Ess



### - annual secondary self-cleaning energy Ifthe ovenalso uses electrical ener kilowatt-hours and defined as: consumption as determined in section calculate the total annualectrica energy 4.1.2.3.2. E

-

### ExSg xC
, 4c -1-32consumption, ETOc, inkilowatt-hours and ESS =-EIS x Sg X C, 

### .ECL

- annual clock energy consumption as define as: ,.,^~~~~~Where:

- determined in section 4.1.2.4. Where: EIs =electrical energy consumed during the 4.1.2.6 Totalannualenergyconsumption ETE =ASO + AAS 

### + self-cleaning operation of a conventional of multiple conventional ovens. Ifthe Where: gas oven, asmeasured in section 3.2.1.2. cooking appliance includes more than one S, 7, average number oftimes a self- conventional oven calculate the total annual cleaning operation ofa conventional gas energy consumption ofthe conventional
oven is used per year. ovens using the following equations: 

### E v ) C- .001 kW/Wconversionfactorfor watts 4.1.2.6.1 Conventionalelectricoven ASO



### - (ESO), to kilowatts. energyconsumption.Calculate the total i=1 4.1.2.4 Annual clockenergy annual energy consumption. ETO. in kilowatt- average annual secondary energy consumption Calculate the annual energy hours and define as: consumption forcooking, consumption of any constantly operating Where: electric clock, ECL, expressed in kilowatt- ETO EACO 

### + + 

### Ln number ofconventional ovens in the hours and defined as: Where:

. basic model. PECL =~~ -P y



## ~X H Y~ 

### X 1 

## ~

CEso = annual secondary energy consumption CL = 

### CL x HK x , - for cooking of gas ovens as determined Where: in.section 4.1.2.1.2. PCL

- power rating ofdock which is on EAc 

### ( continuously, in watts, as measured in n = section 3.2.1.3. 1 

### HKi

- 8,760, number of hours in a year. average annual primary energy consumptionEA 

### =- (E C

- .001 kW/W conversion factor for watts' for cooking,\ n to kilowatts. aWhere: average annual secondary self-cleaning 4.1.2.5 Total annualenergyconsumption n

- number ofconventional ovens inthe energy consumption, of

a singleconventionaloven. basic model. Where: 4.1.2.5.1 Conventionalelectricoven Eco

- annual primary energy consumption n

- number of self-cleaning ovens in the energyconsumption.Calculate the total for cooking as determined in section basic model. annual energy consumption ofa 4.1.2.1.1.

- Ess = annual secondary self-cleaning energy conventional electric oven, EAO, expressed in cosumption of gas ovens as determined kilowatt-hours and defined as: n section 4.1.2.3.2. 1 n ECL = annual clock energy consumption as 

### EAO =ECO + ESC 

### + EeL EASC =--(Ec)i. determined in section 4.1.2.4. Where: n i= 4.1.3 Conventionaloven cooking Eco = annual primary cooking energy average annual self-cleaning energy efficiency. consumption as determined in section consumption, 4.1.3.1 Single conventionaloven. 4.1.2.1.1. Where 'Calculate the conventional oven cooking Esc = annual primary self-cleaning energy n number of elfcleaning conventional efficiency, EffAo, using the following consumption as determined in section ovens in the basic model equations: 4.1.2.3:1. Esc

- annual primary self-cleaning energy For electric ovens: EcL

- annual clock energy consumption as 

## ~~~determined in sectioonsumption as determined acc rding to determined in section 4.1.2.4.section 4.1.2.3.1. 

### Wx T 4.1.2.5.2 Conventionalgas oven energy cock eery consumpEffA = EcL= clock energy consumption as consumption.Calculate the total annual gas determined accordingto section 4.1.2.4. E X

### He energy consumption ofa conventional gasven energy oven, EAOO expressed inBtus and -4.1. 2-6.2 Conventional gas oven energy and, oven, EAOo, expressed in Btu's (ki) and defined as: consumption.Calculate the total annual gas For gas ovens: energy consumption, EToa, inBtu's (kj) and EA 

### =Eco + 

### E +EC, define as: W x Cp xT Where: E~=EA~+E~c+E~, EffAO, Where: ,ETOG=EACOE C+E, Eo,+(i0xH,)' Eco

- annual primary cooking energy consumption as determined in section Where: Where: 4.1.2.1.1.

- EAco

- average annual primary energy Wi = measured weight oftest block in Epo

- annual pilot light energy consumption consumption for cooking inBtu's kJ) as pounds (kg).
as determined in section 4.1.2.2. defined in section 4.1.2.6.1. Cp

- 0.23 Btu/lb-°F (0.96kJ/kg.°C), specific Esc = annual primary self-cleaning energy EASC

- average annual self-cleaning energy heat oftest block. consumption asdetermined in section consumption in Btu's (k) as defined in T

- 234°F (112.2°C), temperature rise oftest 4.1.2.3.1. section 4.1.2.6.1. block. 

## 15354
, Federal Register / 

### Vol. 60. No. 56 / Thursday. March 23. 1995 / Proposed Rules

H-H.. or Hp. the heatingvalue ofthe gas used inthe test as'specified in section 2.2.2.2 and section 2.2.2.3 inBtU's per standard " cubicfool (kJ1L).., ' 5.=7. average number'oftlrnes a self-cleaning
, operationofa conventional gas oven is
I used peryear. \
, 4.1.2.3.2 Annual secondcuyenerBY consumptionforself-cleaningoperation of gas ovens. Calculate the aJDlual secondary energy consumptionfor self-cleaning operations ofa gas oven. Ess.'expressed in kilowatt-hours and defined as:

Where: Em = electrical energy consumedduring the self-cleaning operation ofa conventional " gas oven. as measured insection 3.2.1.2. 5

....7. average number oftimes a Selfcleaning operation ofa conventional gas oven is used peryear.

- C

....001 kW/w conversion factor for watts to kilowatts. 4.1.2.4 Annualclock. energy consumption. Calculate the annual energy- , consumption ofany constantly operating electric clock. 

### Ea.. expressed inkilowatthours and defined as:

, Where:

, PCL

..power rating ofclock. which is on , continuously. in watts, as measured in

, sectjon 3.2.1.3. 

### fk ..; 8,760, numberofhours ina year. C

... 001 kW /W conversion factor for watts

. to kilowatts.
, 4.1.2.5 Total annual energycansumptJon

, of

### a sil18le conventional oven. 4.1.2.5.1 Conventional electric oven

, energy consumption. Calculate the total

annual energy consumption ofa conventional electric oven.**EAo~expressedin** kilowatt-hours and defined as:

" Where:



### &0 = annual primary cooking energy consumption as determined insection 4.1.2.1.1. Ese

.. annual primary self-cleaning energy consumption as determined insection 4.1.2.3:1. 

### En

.. annual clockenergy consumption as

, determined insection 4.1.2.4. 4.1.2.5.2 Conventionalgas oven energy consumption. Calculate the total annual gas energy consumption ofa conventional gas oven. EAOO.expressed inBtu's**~** and defined

## as:
EAOG 

### =Eco+EPO+ESc' Where: ' 

### &0 co annual primary cooking energy

, consumption as determined insection 4.1.2.1.1. EPO co aJDlual pUot Ught energy consumption
as determtited in section4.1.2.2. 

### Esc

... annual primary self -cle8ntngenergy consumption as determined insection 4.1.2.3.1. Ifthe conventional gaS ovenuses electrical energy, calculate the total annual electrical energy consumption. EAcE. exPressed in kilowatt"hours and defined

# as:

EAOE 

### =Eso +Ess+ECL'
Where: Eso

... annual secondary cooking energy

. consumptionas determined insection 4.1.2.1.2.

. Ess

... annual seCOndary self-cleaning energy consumption as determined in section 4.1.2.3.2.



### ,Ea.

.. annualdock energy consumption as determined in Section 4.1.2.4. '4.1.2.6 Total annualenergy consumption 'of

multipleconventional ovens. Ifthe cookirig appliance includesmore than one converltioDCl1 

### oVen calculate the total annual n 

### ETPO =L(EPO)i' i=l total annual energyconsumptionofanypUot Ughts, Where: EPO

..annual energy consumption ofany continuouslyburningpUot Ughts determined according to section4.1.2.2.

n

..number ofpUotUghts in the basic model.

Ifthe ovenalso uses electrical energy. calculate the total annual electrical energy consumption, ElOB, inkilowatt-hours and define as:

.

,Where:

energy consumption ofthe, conventional 

### 1 D
ovens using the folloWing equations: 

### E**~(E'** 

### )

'4.1.2.6.1 COnventional electric oven ABO = -**~** , SO i' eneiBYconsumption. calculatethe total 

### n i=l
, annual energyconsumption.**E~,** in kilowatt- average annual secondaryenergy hours an4 define as: "
, consumption for cooking. Where: 

### Ero = 

## E ACO 

### + EABC 

### + ECL• n

..number ofconventional ovens inthe Where:

. basic model. Eso

... annual secondary energy cOnsumption for cooking ofgas ovens as determined 

### 1 D 

### EACO 

### = - L(Eco)i' ,n i=l
average iumual primary energy consumption f6r cooking; Where:

n

..numberofconventional ovensinthe basic model. 

### Eco

.. annualpdmary energy consumption for cooking as determined in section 4.1.2.1.1.. '



### 1 n 

# EAse =-

# L{Ese)j'

n ;=1 average annual self-cleaningenergy

. consumption.

Where:

n

..numberofSelf-cleaning conventional
ovensin the basic mOdel. Ese

... annual primary self·deaningenergy

, consumption

## as determined according to

section 4.1-.2.3.1. 

### En

... clockenergyconsumptionas**dete~d** according

### tosection 4.1.2.4.

,4.1.2.6.2 'COnventionalgas oven energy consumption. Calculltte the total annual gas energy cOnsumption, Eroo, in**B~'s,~** and define as: 

### ETOG 

### =: EACO 

### -+-

### EASC 

### + ETPO• Where: EACO

... average annualprimaryenergy consumptionfor cooking inBtu's**~** as defined in section 4.1.2.6.1. EAse co average annual self-cleaningenergy consumptioninBtu's**~**,as defined in section**4~1.2.6.1.** ' ' in section 4.1.2.1.2.



### 1 ,n , 

### EAAS =-L(Ess)i' n i=l
, average annual secondaryself-cleaning energy consumption, Where: it

... number ofself-Cleaning ovens in the basic model. Eas'" annual secondary self-cleaningenergy consumption ofgas ovensas determined insection 4.1.2.3.2.
, 

### En = annual clockenergy cOnsumption as "determined insection 4.1.2.4. ' 4.1.3 COnventional oven cookllw effiCiency. "

4.1.3.1 Slngle conventional oven. Calculate the conventional oven cooking efficiency, EfTAo, using the following equations:

For electric ovens:

and,

Forgas ovens:



### , WI xCp 

### xT Eff AO 

### .=, , •



### , Eo +(EIO xHe)

. Where: WI'" measured weightoftest block in pounds (kg). 

## c,

.. 0.23 BtUllb-OF (0.96 kjlkg.oC),specific heat oftest block. T co 234°F (l12.2°C), temperafure rise oftest block.

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15355

Eo

- test energy consumption as measured in Tsu = temperature rise of the testblock: Final 4.2.2.1 Conventionalelectriccooking top section 3.2.1 or calculated in section test block temperature, TCT, as energy consumption.Calculate the annual 4.1.1 or section 4.1.1.1. determined in section 3.2.2, minus the energy consumption of an electric cooking He = 3.412 Btu/Wh (3.6 kJ/Wh), conversion initial test block temperature, TI, top, ECA, in kilowatt-hours per year, defined factor for watt-hours to Btu's. expressed in °F (°C). as: Eio = electrical test energy consumption H. = 3.412 Btu/Wh (3.6 kJ/Wh,) conversion according to section 3.2.1 or as factor ofwatt-hours to Btu's. OC calculated in section 4.1.1.1. Ecr

- measured energy consumption, as 

### ECA=

-- 4.1.3.2 Multiple conventional ovens. If determined according to section 3.2.2, EffT the cooking appliance includes more than expressed in watt-hours. Where:

one conventional oven, calculate the cooking 4.2.1.2 Gassurface unitcooking Ocr = 209.4 kWh per year, annual useful efficiency for all of the conventional ovens in efficiency. Calculate the cooking efficiency, cooking energy output the appliance, EffTo, using the following Effsu. of the gas surface unit under test. EffcT = conventional cooking top cooking equation: defined as: efficiency as defined in section 4.2.1.3. 4.2.2.2 Conventionalgascookingtop. 

### EffTo 

### =- 

## . W 3 x C x T u 4.2.2.2.1 Annual cooking energy °nO 1 ,' ~ -- 

### EffSU consumption.Calculate the annual energy Ei Wff l E consumption for cooking, Ecc, in Btu's (kJ) i=l EffAO ; Where: peryear for a gas cooking top, defined as: Where: W3 = measured weight oftest block as

n = number of conventional ovens in themeasured in section 3.3.2, expressed in cooking appliance. pounds (kg).Eff EffAo = cooking efficiency of each oven Cp and Tsu are the same as defined in section .C determined according to section 4.1.3.1. 4.2.1.1. Where: 4.1.4 Conventionaloven energy factor. and, OCT = 732,500 Btu (772,828 kJ) per year, Calculate the energy factor, or the ratio of annual useful cooking energy output. useful cooking energy output to the total E = [(Ecr

- Ecp)X H]+(Ec xHe), Effcr = the gas cooking top efficiency as energy input, Ro, using the following defined in section 4.2.1.3. equations: Where: 4.2.2.2.2 Annualenergy consumptionof

For electric ovens, ECT = total gas consumption for the gas anycontinuouslyburning gaspilots. surface unit test as measured in section Calculate the annual energy consumption of 0o 3.2.2. any continuously burning gas pilot lights of Ro = ' Ec = electrical energy consumed by an the cooking top, Epc, in Btu's (k) per year, EAO ignition device ofa gas surface unit as defined as: Where: measured in section 3.2.2. Oo = 35.5 kWh per year, annual useful He = 3.412 Btu/Wh, conversion factor ofwatt- E = P x Ax H, cooking energy output. hours to Btu's. Where: EAO = total annual energy consumption for H = either H or Hp, the heating value ofthe electric ovens as determined in section gas used in the test as specified in P = pt light gas flow rate as defined in 4.1.2.5.1. section 2.2.2.2 and section 2.2.2.3,secon 4.2.1.2, or as measured n section For gas ovens: expressed in Btu's per standard cubic foot s (keL) ofgas. A = 8,760 hours, the total number of hours 0=to0.a anlEcp P x TT, (pilot consumption, in standard in a year. R = -- -- cubic feet(L), during unit test), where: H = either H. or H, the heating value ofthe E a +(Eler l xHr d gas used in the test as specified in a in e 

## ~et~ .1....i tsas ineco3121.- 

## = +section 2.2.2.2. and section 2.2.2.3, Where: expressed in Btu's per standard cubic Oo = 124,200 Btu (131,038 kj) per year, p (pilot flow in standard foot (kJ/L) ofgas. annual useful cooking energy output. L cubic feet per hour) 4.2.2.2.3 Total annual energy EAOG = total annual gas energy consumption consumption of a conventional gascooking for conventional gas ovens as determined Where: top. Calculate the total annual energy in section 4.1.2.5.2. Pc = any pilot lights gas consumption consumption of a conventional gas cooking EAOE = total annual electrical energy idefined in section 3.2.2.1. top, EcA, in Btu's (kj) per year defined as: consumption for conventional gas ovens Lc = elapsed time of the cooking toppilot as determined in section 4.1.2.5.2. lights testas defined in section 3.1.2.1. EA ECC + Epc, H= 3,412 Btu/kWh (3.6 kJ/Wh), conversion TT = the elapsed test time as defined in Wher factor for kilowatt-hours to Btu's. section 3.2.2. 4.2 Conventionalcooking top. 4.2.1.3 Cov cEcc energy consumption for cooking as 4.2.1i Conventional cooking top cooking determined in section 4.2.2.2.1. 4.2.1 Conventional king top cooking efficieny.Calculate the conventional Epc annual energy consumption of the pilot 

### efficincy

## W C Where:facooking top cooking efficiency, Effcr, using 4.2.1.1 Electric surface unit cookin oo oking efficiency, E, ing lights as determined in section 4.2.2.2.2. efficiency. Calculate the cooking efficiency, 4.2.3 Conventionalcooking top energy Effsu. ofthe electric surface unit under test, factor.Calculate the energy factor orratio of defined as: Eff 1 nV fT 

### ff useful cooking energy output for cooking to EffCT =I (EffsU) i' the total energy input, RCT, as follows: M 1=1For an electric cooking top, the energy Effsu = W xC x SWhere: factor is the same as the cooking efficiency Efsu =Wp H Tn = number ofsurface units in the cooking as determined according to section 4.2.1.3. He

x xCT top. For gas cooking tops, Where: Effsu

- the efficiency of each ofthe surface W = measured weight of test block, W 2 or W3, units, as determined according to section OCT expressed in pounds (kg). 4.2.1.1 or section 4.2.1.2. CT = Cp = 0.23 Btu/lb-°F (0.96 kJ/kg-'C), specific 4.2.2 Conventionalcookingtop annual CA heat of test block. energyconsumption. Where: 

### Federal Register I 

### Vol. 60, No. 56 I 

### Thursday, March 23, 1995 I 

### Proposed Rules 

## 15355

Eo '" test energy consumption as measured in section 3.2. 1or calculated in section 4.1.1 or section 4.1.1.1. 

### He

.. 3.412 BtulWh (3.6 kJlWh), conversion factor for watt-hours to Btu's. EIO

..electrical test energy consumption according to section 3.2.1 or as calculated in section 4.1.1.1. 4.1.3.2 Multiple conventional ovens. If the cooking appliance includes more than

one conventional oven, calculate the cooking efficiency for all ofthe conventional ovens in the appliance, EffTO, usingthe following equation:



### n Eff TO

=

# ±(_1)'

i=l 

### Eff AO i Where:

n '" number ofconventional ovens in the cooking appliance. Eff AO '" cooking efficiency ofeach oven

determined according to section 4.1.3.1. 4.1.4 Conventional oven energyfactor. Calculate the energy factor, or the ratio of useful cooking energy output to the total energy input, 

### Ro, using the following equations:

For electric ovens,

Where: 00" 35.5 kWh peryear, annual useful cooking energy output. 

### E

AO

.. total annual energy consumption for electric ovens as determined in section 4.1.2.5.1. For gas ovens:

Where: 00 = 124,200 Btu (131.038 kJ) peryear, annual useful cooking energy output. 

### E

AOG = total annual gas energy consumption for conventional gas OVE!ns as determined in section 4.1.2.5.2. , E

AOE = total annual electrical energy consumption for conventional gas ovens as determined in section 4.1.2.5.2. 

### He = 3,412 BtulkWh (3.6 kJlWh), conversion factor for kilowatt-hours to Btu's. 4.2 Conventional cooking top. 4.2.1 Conventional cooking top cooking effiCiency.

4.2.1.1 Electric surface unit cooking effiCiency. Calculate the cooking efficiency, Eff su, ofthe electric surface unit under test, ' defined as:



### Effsu = 

### W x C p 

### x,[ Tsu ), 

### He xEcr
Where: W

..measured weight oftest block, W2 orW3, expressed in pounds (kg). 

## c;.

.. 0.23**Btul1b~oF** (0.96 kJlkg-°C), specific heat oftest block. 

### T

### Su ..; temperature rise ofthe

### i:~t block: Final test block temperature, 

### TCT, as determined in section 3.2.2, minus the initial test block temperature, 

### TI , expressed in OF (OCl. 

### He '" 3.412 BtulWh (3.6 kJlWh,) conversion factor ofwatt-hours to Btu's. 

### Eer '" measured energy consumption, as determined according to section 3.2.2, expressedinwatt-hours. 4.2.1.2 Gas surface unit cooking efficiency. Calculate the cooking efficiency, Eff su. ofthe gas surface unit under test, defmedas:

Where: W3 = measured weight oftest block as measured in section 3.3.2, expressed in pounds (kg). Cp and 

### Tsu are the same

# as defined in section, 4.2.1.1. and, 

### E=[(Ecr-Ecp)xH]+(EIC xHe),
Where: Ecr = total gas consumption for the gas surface unit test as measured in section 3.2.2. EIC = electrical energyconsumed by an ignition device ofa gas surface unit as measured in section 3.2.2. 

### He '" 3.412 BtulWh, conversion factor ofwatthours to Btu's. H = either H"or H p , the heatingvalue ofthe gas used in the test 

### as specified in section 2.2.2.2 and section 2.2.2.3, expressed in Btu's per standard cubic foot (kJ1L) ofgas. 

### £CP''" P x 

### T T, (pilot consumption, in standard cubic feet (L), during unit test), where:



### P _ Pc (pilot flow 

### in 

### standard



# - L' cubic feet perhour)

c Where: Pc" anypilot lights gas consumption defined in section 3.2.2.1. 

### Lc = elapsed time ofthe cooking top pilot lights testaS defined insection 3.1.2.1. 

### TT= the elapsed test time as defined in section 3.2.2. 4.2.1.3 Conventional cooking top cooking effiCiency. Calculate the conventional cooking top cooking efficiency, Effcr, using the fOllowing equation:

Where:

n

.. number ofsurface units in the cooking top. Effsu '" the efficiencyofeach ofthe surface units, as determined according to section 4.2.1.1 or section 4.2.1.2. 4.2.2 Conventional cooking top annual energy consumption. 4.2.2.1 Conventional electric cooking top energy consumption. Calculate the annual energy consumption ofan electric cooking top, 

### EcA, in kilowatt-hours peryear, defined
as:

Where: 

### Ocr ECA 

# =--. Effcr

Ocr '" 209.4 kWh peryear, annual useful cooking energyoutput. Effcr '" conventional cooking top cooking efficiency as defined in section 4.2.1.3. 4.2.2.2 Conventionalgas cooking top. 4.2.2.2.1 Annual cooking energy consumption. Calculate the annual energy consumption for cooking, 

### £ce, in Btu's (k.I) peryear for a gas COOking top, defined as:

Where: 

### Ocr Ecc=-- Effcr

Ocr ;= 732,500 Btu (772,828 kJ) peryear, annual useful cooking energy output. Effer '" the gas cookingtop efficiency as defined in section 4.2.1.3. 4.2.2.2.2 Annualenergy consumption of anycontinuously burninggaspilots. Calculate the annual energy consumption of any continuously burning gas pilot lights of the cooking top, E pc, in Btu's (kJ) peryear, defined as: 

### Epc =PxAxH,
Where: P = pilot light gas flow rate as defined in section 4.2.1.2, or

### as measured in section 3.2.2.1. A = 8,760 hours, the total number ofhours in a year. H = either 

### H. or Hp , the heating value ofthe gas used in the test as specified in

,section 2.2.2.2. and section 2.2.2.3, expressed inBtu's per standard cubic foot (kJlL) ofgas. 4.2.2.2.3 Total annual energy consumption ofa conventionalgas cooking top. Calculate the total annual energy consumption ofa conventional gas cooking top. EcA, in Btu's (k.I) peryear, defined as: 

### ECA = Ecc + Epc , Where: Ecc

.. energy consumption for cooking as determined in section 4.2.2.2.1. Epe '" annual energy consumption ofthe pilot lights as determined in section 4.2.2.2.2. 4.2.3 Conventional cooking top energy factor. Calculate the energy factor or ratio of useful cooking energy outputfor cooking to the total energy input, Rcr, asfollows:

For an electric cooking top, the energy factor is the same as the cooking efficiency
as determined according to section 4.2.1.3.

For gas cooking tops,

Where:

### 15356 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

Ocr 732,500 Btu (772,828 kJ) per year. ET =4.4.3 Microwave ovenannualenergy annual useful cooking energy output of consumption. Calculate the microwave oven cooking top. 4.187Mw(T2

- T 

# )+ 0.88Mc(T2

- To) annual energy consumption, EMo, in kWh's EcA

- total annual energy consumption of per year, defined as: cooking top determined according to HE section 4.2.2.2.3. Where: EM XO 4.3 Combined Components. Mw

- the measured mass of the test waterMO = The annual energy consumption and load, in grams. ET cooking efficiency of a kitchen range, e.g. a Mc

- the measured mass ofthe test container Where cooktop and oven combined, shall be the before fillingwith testwater load, in
sum ofthe annual energy consumption and grams.EM = the energy consumption as defined in cooking efficiency of each ofits components. T 1 = the initial test water load temperature section 3.2.3. The annual energy consumption and cooking in C (°F). OM

- 77.3 kWh's per year, the microwave efficiency for other combinations ofovens, T2 = the final test water load temperature, in oven annual useful cooking energy cooktops and microwaves will also be treated °C (°F). output.
as the sum of the annual eneigy consumption To

- the measured ambient room ET

- the test energy as calculated in section and cooking efficiency of each of its

. temperature, in °F (°C). 4.4.1. components. The energy factor ofa combined C= 0.88 kl/kg-°C, (0.210 Btu/lb-°F) specific 4.4.4 Microwaveoven cookingefficiency. component is the sum ofthe ratio ofthe heat oftest container. Calculate the microwave oven cooking annual useful cooking energy output to the Cp= 4.187 kJ/kg-°C, (1.0 Btu/lb-°F) specific efficiency, Effo, as specified in section four, total annual energy consumption ofeach heat ofwater. aragraph 14 ofIEC 705. component. Fl = 3.6 kJ/Wh (3.412 Btu/Wh,) conversion 5 

### cr oven en 4.4.5 Microwave oven eneryfactor. 4.4 Microwaveoven. factor for Btu's to Watt-hours. Caculate the energy factor or the ratio ofthe 4.4.1 Microwave oven testenergy. 4.4.2 Microwaveoven testpoweroutut useful cooking energy outputto total energy Calculate the microwave oven test energy Calculate the microwave oven testpower output, ET, in watt-hour's (k ). The output, PT, inwatts as specified in Section input on a yearly bass, RMO defined as calculation is repeated three times as four, paragraph 12.5 of IEC 705. The' O required in section 3.2.3. The average of the calculation is repeated for each of the three R O three ET's isused for calculations in 4.4.3 and tests asrequired in section 3.2.3. The average EM 4.4.5. For calculations specified in units of ofthe three PT's is used for calculations in M energy (watt-hours), use the equation below: section 4.4.4. BLLING CODE64O-O-P 

# , 15356 Federal Register / Vol. 60, No. 56 

## I Thursday, March 23, 1995 / Proposed Rules

Ocr

... 732,SOO Btu (772,828 

### kJ) peryear, annual useful cooking energy outputof
, cooking top. 

### EcA

.. total annwlI energyconsumptionof

. cooking top detennined according to

section 4.2.2.2.3. 

### 4.3 COmbined COmponents. The annual energy consumption and cooking effidencyofa kitchenrange, e.g. a cooktop and oven combined, shall be the,

.

. sumofthe annualenergy consumption and

cooking effidency ofeachofitscomponents. Theannual energyconsumption and cooking efficiency for othercombinations ofovens, cooktops and microwaves will also be treated 

## as the sumofthe annual energy consumption and cooking efficiencyofeach ofits components. The energy factor ofa combined componentis the sumofthe ratio ofthe

. annual usefulcooking energy outputto the total annual energy consumptionofeach component.



### 4.4 MIcrowave oven. 4.4.1 Microwave oven 

### test energy. Calculate the microwave oventestenergy

, .output, ET, 

### 10 watt-hour's**~}.** The '

calculation isrepeated three times as

. required insection 3.2.3. The average ofthe three ET'S isused for calculations in 4.4.3 and 4.4.S. For calculations spedfied in units of ,energy (watt-hours), use theeqtiation**~loW:** 

### 'Er 

# = 4.l87MW{T 2 

### -T1

### )+O.88Mc(T 2 

# -To) HE
Where: 

### Mw "= the measured mass of the test Water load, ingrams. Mc

.. the measured mass ofthe test container before filling withtestwater load, in grams. TI - the initial testwater load temperature, in °C (oF). T2

..the final testwater load temperature, in °C (oF). To"the measured ambient room temperature, in OF (OC). C

..0.88**~1kg_oC,** (0.210 Btullb-oF) specific heatoftest container. 

# c;.

... 4.187**~1kg_oC,** (1.0 BtuIlb-oF) specific heatofwater. 

### Ii.

.. 3.6 

### kj/Wh (3.412 BtulWh,) conversion factor for Btu'sto Watt-hours. 

### 4.4.2 MIcrowave oven testpower output. Calculate the microwave oventestpower ,output, PT, inwatts as specified in Section four, paragraph 12.S oflEC 70S. The calculation isrepeated for each ofthe three tests as required insection 3.2.3. The average ofthe three PT'S isused for calculations iIi section 4.4.4. ' 

### 4.4.3 Microwave oven 

### annual energy 

### consumpdon. Calculate the microwave oven annual energy consumption, 

### E MO, inkWh's peryear, defined as:

Where: 

### EM

... the energyconsumptionas defined in' section 3.2.3

.. OM'" 77.3 kWh'speryear, the microwave
oven annual useful cooking energy output. ET

..

### the test energy as calculatedinsection 4.4.1. ' 

### 4.4.4 Microwave oVen 

### cooklng efficIency. Calculate the microwave ovencooking efficiency, Eff'MO, asspecified in section four, paragraph 14 oflEC 70S.

. .

'4.4.S 

### Microwave oven enerllY factor. Calculate the,energy factor or the ratio ofthe useful cooking energy outputto total energy inputon a yearly basis, RMO, defined as: 

### OM RMO 

## =--,. EMO
BlWHO CODE M5O-O'I-P 

# .-

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15357 

# 5. ILLUSTRATION OF CONVENTIONAL OVEN TEST DATA

~.



# . .. ~TD



# .T

IC~~~~~a.J~~~~~~~



# T.

c 

# I B 

# i C--t-- n 

# -

Ts_-"B

- 

# E -ag

. - 

# nr

: 

### L; & . -. CD 

### = Energy In

O 2 AboveOff ¢



# E

ENERGY INPUT

BIN

. CODE- On Cycle
BILLING CODE 64S001-C 

# ., Federal Register I 

### Vol. 60. 

### No. 56 I 

### Thursday. March 23. 1995 I 

### Proposed Rules 

### 15357



# ,5. ILLUSTRATION OF CONVENTIONAL OVEN. TEST DATA

I

. .



# _.- TB 

# --- ".,.-



### T_.

. 284
, All

...



# .**~** 

# =.,•., T

........,. •

BlUING CODE**8450-4~** 

# T ·AS 

# , 

# , ,

, ......

### -~I--- 

# On Cycle-.

----...... 

# ,



# - T ., .A •



# --

ENERGY .1NPUT --rage CD 

# = Energy In OffCycJe

### 15358 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

Where: by the difference between weighted test load 2. Testing Conditions OM



### - 77.3 kWh, annual useful cooking after the normal cycles and the weighted 2.1 Installation. Install the clothes washer energy output. reference (bone-dry) weight ofthe test load. in accordance with manufacturer's EMo



### - annual total energy consumption as 1.11 Nonwater-heatingclothes washer instructions. determined in section 4.4.3. refers to a clothes washer that hasboth hot 2.2 Electricalenergysupply.Maintain the 6.Appendix J to subpart B ofpart 430 is and cold water supply pipe connections., electrical supply at the clothes washer revised to read as follows: This type of clothes washer does not have an terminal block within 2 percent of 120/240 internal hot water heater device to generate or 120/208Y as applicable to the particular AppendixJ to Subpart B of Part 430- the energy needed to heat inletwater. terminal block wiring system as specified by Uniform Test Method for Measuring the 1.12 Normal cyclemeans the cycle the manufacturer. Ifthe clothes washer has Energy Consumption ofAutomatic and recommended by the manufacturer for a dual voltage conversion capability, conduct Semi-Automatic Clothes Washers washing cotton and/or linen clothes. the test at the highest voltage specified by the

.Deflnitons 1.13 Sensor filledrefersto a type ofwater manufacturer. fill control which automatically terminates 2. 3 Water temperature. For nonwater1.1 Agitator means the device that thefill when the water reaches an heating dothes washers not equipped with provides the shaking or stirring motion to the aproriate level in the tubthermostaticaly controlled inletwater clothes for washing. The device shall include 1.14 S refe valves, the temperature ofthe hot and cold 1,14 Sprayrinsecycle refers to arinse all fixtures and other essential assemblies water supply shall be maintained at a 1 r F needed for clothes washing in thenormal cye inwhich wateris spray±10F (37.8°C±5.5°C). For nonwater-heating cycle. clothes load for a definite period oftime clothes washers equipped with thermostatic

1.2 Bone-drymeans a condition or a load without maintaining any specific water level controlled inlet valves, the temperature ofthe oftest oth which hasbeen dried n a dryer in the clothes container. hot water supply shallbe maintained at at maximum temperature for a minium of 1. Standard refers to a clothes washer 140°F±5°F (60.0tC±2.8oC) and the cold water 10 minutes, removed and weighed before which has a clothes container capacity of 1.6 supply shall be maintained at 60°F+5°F cool down, and then dried again for 10- ft3 (45 L) orgreater. (15.6°C2.8C). For water-heating clothes minute periods until the final weight change 1.16 Suds-returnmeans a feature or washers that have infinite or various ofthe load is 1percent or less. option on a clothes washer which causes the temperature selection feature, the

1.3 Clothes container means the stored wash water obtained by utilizing the temperature ofthe water supply shall be compartment within the clothes washer that suds-saver feature to be pumped from the maintained at a minimum of 55°F (12.8°C) holds the clothes during operation ofthe external laundry tub back into the clothes and a maximum of60°F (15.6°C). Water machine. washer. meters shall be installed in both the hot and

1.4 Compactrefersto a clothes washer 1.17 Suds-savermeans a feature or option cold water lines to measure water which has a clothes container capacity of less on a clothes washer which allows the userto consumption. than 1.6 ft 3 (45 L). store used wash water in an external laundry 2.4 Water pressure. The static water 1.5 Deep rinse cyde refers to a rinse cycle tub for use with subsequent wash loads. pressure at the hot and cold water nlet inwhich the clothes container is filled with 1.18 Temperatureuse factor means the connections of themachine shall be water to a selected level and the clothes load percentage ofthe total number of washes a maintained during the test at 35 pounds per isrinsed by agitating it or tumblingit through user would wash with a particular wash/ square inch gauge (psig)*2.5 psig (241.3 the water. rinse temperature setting. 'kPa*17.2 Kpa). The static water pressure for

1.6 Front-loadermeans a clothes washer 1.19 Thermostaticallycontrolled valves a singe water inlet connection shall be which sequentially rotates or tumbles refer to clothes washer valves which sense maintained duringthe test at 35 ps25 sg (241.3 Kpa±17.2 kPa). Waterpressure gauges portions of the cothes load above the water water temperature and adjust valve orifices (241s be italled oth te ho and cold level allowing the clothes load to fall freely appropriately to maintain a desired mixed water lines to measure water pressure.
clothes container is in a horizontal plane and 1.20 Time filledreferstoatypeofwater measurements using the following the access to the clothes container is through fill control which uses a combination of instruments, as appropriate: the front ofthe machine. 7 Mchine-controlled water f water flow controls inconjunction with time 2.5. Weighingscales. i.7 Machine-controlled water fTei to terminate the water fill cycle. 2.5.1.1 Weighingscale fortestcloth. The capability means a clothes washer whichhas 1.21 Top-loader-horizontal-axs clothes scale shall have a range of0 lbs (0kg) to a the capability of automatically controlling washermeans a clothes washer which maximum of 30 lbs (13.6 kg) with a the level ofthe water in vie tub dthetta osequentially rotates or tumbles portions of resolution ofat least 0.2 oz(5.7 g) and a upon the size ofthe test load, without upon

ethe v sizeofthe test load,wcmthout the clothes load above the water level maximum error no greater than 0.3 percent e18Make-up watermeans the o amont of allowing the clothes load to fall freely back ofany measured value within the range of 3 fre1. water needed to suppment the o into the water. The principal axis ofthe lbs (1.4 kg) to 15 lbs (6.8 kg). eamount of storedwater puped fromthe clothes container is in a horizontal plane and 2.5.1.2 Weighingscale forclothes external laundry tub back into the clothes the access to the clothes container is through container capacity measurements.The scale washer when the suds-rturn feature is the top ofthe clothes washer should have a range of0 lbs (kg) to a electerial lenergy consumptin ant he energylo24 Wathetthese clothes washer

. rfs 2 Wate of 0Ibs ( ete a washer when the suds-return feature is- "- I V y, loader vertical axis clothes maximum of 500 lbs (226.8 kg) with a activated in order to achieve the required 1.22 Topoader-vertical-axisclothes maxresolution of 500 lbs (0226.23 kg)and a washer means aclothes washer that flexes lution of 0.50 lbs (0.23 and a water fill level inthe clothes washer, maximum error no greater than 0.5 percent

1.9 Modifiedenergy factormeansthe and oscillates the submerged clothes'load ofthe measured value. quotient of the cubic foot (liter)capacity of thugh thewater by means of mechancal 2.5.2 Watt-hourmeter.The watt-hour the clothes container divided by the total agitation or other movement. The principal meter shall have a resolution of at least 1Wh clothes washer energy consumption per axis ofthe clothes container isin avertical (3.6 k and a maximum error no greater than cycle, expressed as the sum ofthe machine plane and the access to the clothes container 2 percent of the measured value forany electrical energy consumption, the hot water i through the top ofthe cothes washer. demand greater than 50 Wh (180.0 k). energy consumption, and the energyrequired 1.23 Water onsumptionfactor means the 2.5.3 Temperaturesensingdevice.The for removal ofremaining moisture of the est quotient of the cubic foot (liter)capacity of temperature sensing device shall have an load for nonwater-heating clothes washers the cothes washer divided by the total error no greater than ±1 F (:0.6C)over the and expressed as the sum ofthe machine weighted per-cycle water consumption. range of 32°F (0°C) to 200°F (93.3 0C). electrical energy consumption and the energy 1.24 Water-heatingclothes washerrefers 2.5.4 Watermeter.The water meter shall required for removal of moisture ofthe test to a clothes washer which does nothave a have a resolution no larger than 0. 1gallons load for water-heating clothes washers. supply pipe connection for hot water. This (0.4 liters) and a maximum error no greater

1.10 Moistureremovalenergymeansthe

. type ofclothes washer does have an internal than 2 percent for all water flow rates from nominal energy required for a clothes dryer electrical water heating device to generate the 1.gl/min(3.8L/min) to 5 gal/min (18.9 L/ to remove moisture from clothes multiplied energy needed to heat inletwater. rin). 

## 15358 Federal Register I 

### Vol. 60, No. 56 I 

### Thursday, March 

### 23, 1995 

## I. Proposed Rules

Where: Ow

... 77.3 kWh, annual useful cooking energy output. EMD

... annual total energy consumption as detennined insection 4.4.3. 6. Appendbc

## Jto subpartBofpart 430 is revised to read asfollows: 

### Appendix

## Jto SubpartB ofPart4,3OcUniformTestMethod for Measuring,the Energy Consumption ofAutomatic and Semi-Automatic ClothesWashers '
I. Definitions

1.1 Ag1tatormeans the device that provides the shaking or stirringmotion to the

, clothes for washing. The device shall include

all fixtures 

### aixI other essential assemblies

,needed for clothes washinginthe normal cycle. 1.2 Bone-clrymeans a condition ora load oftest cloth whichhasbeendried in a dryer atmaximum temperature for a minimum of 10 minutes, rerrioved and weighed before cool down, and then dried again for 10- minute periodsuntil the flnal weightchange ofthe load is 1 percent or**I~.**

1.3 Clothes conta1nermeansthe compartmentwithin the clotheswasher that holds the clothes during operation ofthe machine. 1.4 Compactrefers to a clothes washer ' whichhas a clothes cOntainer capaCity ofless ,than 1.6 ft 3 (45 L).
,

,1.5 Deep r1nse cyclerefers to a rinse cycle in whichthe clothescontainer isftlled with water to

# a selected level and the clothesload 'is rinsed by agitating itortumbling

### it' through the water. ' 1.6 Front-loadermeans a clothes washer which sequentla11y rotates ortumbles ' portions ofthe clothesload above the water level alloWing the clothes load to fall freely back into the water. The principal axis ofthe clothescontainerisin,a horizontal plane and the access to the clothes container is through
, the front ofthe machine.

1.7 Machine-controlled water flH capabilitymeans a clothes washer which has the capabilitY ofautomatically controlling the level ofthe water inthe tub dependent upon the size ofthe test load, without operator intervention.

I.SMake-up watermeans the amount of fresh water needed to supplementthe amount ofstored water pumped from the extemallauhdrytub backinto the clothes washerwhen the suds-returnfeature isactivated in order to achieve therequired waterflll level in the clothes washer. 1.9 ModlfJed energyfactormeans the quotient ofthe cubic foot (l1ter) capadtyof the clothescontainer divided by the total clothes washer energy consumption per cycle, expressed as the sum ofthe machine electrical energy consumption, the hot water energy consumption, and the'energy reqUired, for removal ofremainingmoisture ofthe 'test load for nonwater-heating clotheswashers and expressed as the sum ofthe machine electrical ener&y consumption and ,the eriergy required for rerrioval ofmoisture'ofthe test load for water-heating clothes washers.

, 1.10',Moisture removaleneixYmeans the nominalenergyrequired for a clothes dryer

, to remove moisture from clothes multiplied by the, difference between weighted test load after the normal cyclesand the weighted reference (bone-dry) weight ofthe test load.

1.11 Nonwater-heatlng clothes washer refers to a clotheswasher that hasbothhot and cold water supply pipe connections., ' This type ofclothes washer does nothave an

. internalhOt water heater device to generate , the energy needed to heatinletwater. 1.12 Normal cyclemeans the cycle recommended by the maiuifacturerfor washingcotton and/or linenclothes. ' 1.13' SensornDedrefers to a type ofwater fill control which automaticallyterminates the·nil when thewaterreaches an appropriatelevel inthe tub. 1.14 Sprayrinse cyclerefers to a rinse cycle in whichwater is**spr~yed** onto the clothesload for a definite period oftime without maintainingany spedficwater level inthe clothes container. 1. Standardrefers to a clotheswasher whichhasa clothes container capac1tyof 1.6 ft3 (45 L) orgreater. '

1.16**Suds~retw7i** means a feature or option on a clotheswasherwhich causes the' stored washwater obtained by util1z1ng the**suds-sav~r** featUre tobepumped from the external laundrytub back into the clothes washer. "

,1.17**,Si.Jds~saver**means a feature or option

on a clotheswasherwhich anows the user to ,store" used washwater in anextemallaundry tub for usewith subsequentwashloads.

1.IS ,Temperature usefactor means the percentage ofthe total number ofwashes a userwould washwitha particularwash! rinse temperature settlrlg. 1.19 Thermostatically controlled valves refer 

### to clotheswashervalves which sense watertemperature and adjustvalve orifices appropriately to maintaina desired mixed water temperature; 1.20' Time flHedrefers toa type ofwater fill control whichuses'a combinationof water flow cOntrols inconjunctionwith time to terminate the water fill cycle. 1.21 Top-loader-horlzontal-axis clothes washerm(!ans a clotheS washer which sequentla11y rotates or**tum~les** pqrtlonsof the clothes load above the water level allowing theclothesload to fall freely back into the water. The princlpal axis ofthe
, clothes container is ina horizontal plane and the access to theclothes containeristhrough the top ofthe clotheswasher. 1.22 Top-loader-vertlcal-axls clothes washermeans a clothes washerthat flexes and oscillates the submerged clothes'load through thewaterby means ofmechanical agitation or othermovement. The principal axis ofthe clothes conta1nerisin a vertical plane and the access to the clothescontainer is throughthe top ofthe clothes washer.

1;23 Water eonsuplptlonfactor means the quotientofthe cubic foot (l1ter) capacity of the clotheswasher dividedby the total weighted per<ycle water consumption. 1,.24 Water-heating clothes washerrefers to a clotheswasherwhichdoes nothave a supplypipeconnectionfor hotwater. This type ofclotheswasherdoes have aninternal ,electrical water heatlng device to generate the energy,needed to heat inletwater. ' 2. Testing Conditions 2.1 lnstallation. Install the clotheswasher in accordance with manufacturer's

.instructions. ' 2.2 Electrlcal enerllYsupply. Maintain the electrical supply at the clothes washer terminal blockwithin 2 percentof 120/240
or 120/208Y as appUcable to the particular terminal blockwiringsystem asspecified by the 'manufacturer. Ifthe clothes washerhas
a dual voltage conversion capability, conduct the testatthehighestvoltage specified bythe manufacturer. ': '

2.3 Water temperature, For nonwater-, heating clotheswashers not equipped with thermostaticanycontrolled inletwater valves, the temperature ofthe hot and cold 'water supply shall be mafutained at 100°F ±10°F (37.soC±5.5°C). For nonwater-heating clotheswashers equipped withthermostatic controlled inletvalves, the temperature ofthe hotwater supplyshall be maintained at 140°F±5°F (60.O"C±2.SoC) and the cold water supply shall be maintained at 6O°F±5°F (15.6°C±2.S0C). Forwater-heating clothes washers that have 1nftn1te or'various

, temperatUre selectionfeature; the

temperature ofthewater supply shall be ma1ntained ata minimUJII of55°F (12.S°C) and a maximum of60°F (15.6°C). Water meters shall be installed in boththe hot and cold water lines to measure water ' consumption.



### ?.4 Waterpressure. The static water pressure atthe hotand cold water inlet connectionsofthemac:h1ne shall be maintained during the test at 35 poundsper square inCh puge (psfg)±2.5 psig (241.3 ' kPa±17.2 Kpa). The static waterpressure for
a single water inlet connectionshall be maintained during the test at 35 psig±2.5 psfg (241.3 Kpa±17.2 kPa). Water pressUrepuges shall be installedbi'boththe hOt and cold waterlines to measure waterpressure.

, 2.5 Instrumentation. Performall test measurements using the follOwing instruments, as appropriate:

2.5. Welghlng scales. 2.5.1.1 Welghlng scalefor test cloth. The scale shallhave a rangeof0 Ibs (O kg) to a maximum of 30 Ibs {l3.6

### Jcs} with a resolution ofat least0.2 oz (5.7 g) and a maximum error no greater than 0.3 percent, ofany measured valuewithinthe range of3 Ibs {1.4 

### Jcs} to 151bs (6.8 kg).

2.5.1.2 Weighing scalefor clothes contamercapacitymeasurements. The scale, should have a range of0 Ibs (Okg) to a maximum of500 Ibs {226.S 

### Jcs} with a

,resolution of0.50 Ibs (0.23 kg) and a maximum error no greater than 0.5 percent ofthe measured value. '..

2.5.2**.Watt~holU**meter. Thewatt-hour meter shall have a resolutionofatleast I Wh {3.6**~** and a maximum error no greater than . 2 percent ofthe measured value for any demand greater than 50Wh**{180.0~.**

2.5.3 Temperature sensingdevice. The temperature sensingdevice shan have an error no greater than±1°F (±O.6°C) overthe ,range of 32°F (O°C) to 200°F (93.3°C). 2.5.4 Watermeter. The water meter stulll havea resolutionno larger than 0.1 gallons (0.4 liters) and a maximum

# error no greater ,than 2 percentfor all water flow rates from l,galImin (3.SUm1n) to 5 galIm1n**(1S.~** 

### U tnin).

. ','

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15359

2.5.5 Water pressuregauge.The water shaking them to hang loosely and then W pressure gauge shall have a resolution of 1 dropping them into the clothes container C=- psig (6.9kPa) and shall have an error no prior to activating the clothes washer. P greater than 5 percent ofany measured value 2.9 Preconditioning. Ifthe clothes washer Where:
over the range of 32.5 psig (224.1 kPa) to 37.5 has not previously been tested nor filled with C = capacity in cubic feet (liters). psig (258.6 kPa). = mass ofwater in the preceding 96houpounds (kilograms). 2.6 1Test clothsc.otTe nn precondition it by running it through a cold p = density ofwater at the measured 2.6.1 Enegytestcloth. The energy test rinse cycle and then draining it to insure that temperature in pounds per cubic foot cloth shall be clean and consist ofthe the hose, pump, and sump are filled with (kilograms per liter). following:

2.6.1.2 Pure finishedbleachedcloth. Pure wate3.2 Testcycle. Establish the test finished bleached cloth, made with a momle 2.10 Washtimesetting.Theactual wash conditions set forth in section 2 ofthis or granite weave, which is 50 percent cotton time (period of agitation) shallbe not less appendix. Automatic and semi-automatic and 50 percent polyester and weighs 5.75 oz/ than 9.75 minutes. clothes washers that have Infinite or various yd2 (195.0 g/m 2) and has 65 ends on the warp 2.11 Agitatorandspin speedsettings, temperature selection features that do not and 57 picks on the fill. Where controls are provided for agitation and conform to the wash/rinse temperature

2.6.1.3 Clothmaterial.Cloth material that spin speed selections, set them at the normal combination settings ofsections 5 or 6 shall is 24 in by 36 in (61.0 cm by 91.4 cm) and cycle settings. If settings at the normal cycle be tested at the following temperature has been hemmed to 22 in by 34 in (55.9 cm are not offered, set the control settings to the settings: Hottest setting available on the by 86.4 cm) before washing. The maximum maximum levels permitted on the clothes machine, hot (a minimum of 140°F (60.0°C) shrinkage after five washes shall not be more washer. and a maximum of 145°F (62.8°C)), warm (a than four percent on the length and width. Tt Masmen minimum of 100°F (37.8°C) and a maximum

2.6.1.4 Numberof tests. The number of es t easurementsof 105°F (40.6°C)), and coldest setting test runs on the same energy test cloth shall 3.1 Clothescontainer capacity.Measure available on the machine. not exceed 25 runs. the entire volume which a dry clothes load 3.2.1 Nonwater-heatingclothes washers.

2.6.2 Energystuffiercloths. The energy could occupy within the clothes container, 3.2.1.1 Per-cycleelectricalenergy stuffier cloths shall be made from energy test according to sections 3.1.1 and 3.1.2. consumption.Setthe water level selector at cloth material and shall consist ofpieces of 3.1.1 Top-loader-vertical-axiclothes maximum fill available on the clotheswasher material that are 12 in by 12 in (30.5 cm by washer.Line the clothes container and and nsert the appropriate test load, if 30.5 cm) and have been hemmed to 10 in by agitator with 2 mil (0.051 mm) plastic sheet applicable. Activate the normal cycle of the 10 in (25.4 cm by 25.4 cm) before washing. oruse some other method to prevent the clothes washer and also any suds-saver The maximum shrinkage after five washes water from entering the outer tub container switch. shall not be more than four percent on the and intothe agitator. The agitator shall be in 3.2.1.1.1 Measure the electrical energy length and width. The number oftest runs on place. Fill the clothes container with water consumption of the clothes washer forthe the same energy stuffier cloth shall not to its uppermost edge. (This filling procedure complete normal cycle. exceed 25 runs. otslamay require overriding of the fill level 3.2.1.2 Hotandcoldwaterconsumption

2.7 Compositionoftestloads. control, or manually completing the fill to with the water level selectoratmaximumfill 2.7. Sevenpound test load. Theseven the top ofthe container after the fill sensor availableon the clotheswasher, ifmanually pound test load shall consist of bone-dry terminates the fil at maximum level.) Record controlled energy test cloths which weigh 7f0.07 lbsefore filling it 3.2.1.2.1 Set the water level selector at (3.18±:0.03 kg). Adjustments to the test load th water andof the

machine before filling t wtthe clothes waher to achieve the proper weight can be made by wthe er ith maximum fill available on the clothes washer to achievetnhe proper weignt canDe mare y the use ofenergy stuffier cloths. water. The clothes container capacity is and nsert the appropriate test load. Activate

2.7.2 Threepoundtestload The three calculated as follows: the normal cycle of the clothes washer and pound test load shall consist of bone-dry also any suds-saver switch. energy test cloths which weigh 3±0.03 lbs W 3.2.1.2.2 For automatic clothes washers, (1.36±0.014 kg). Adjustments to the test load C set the wash/rinse temperature selector to the to achieve the proper weight can be made by hottest TUF combination setting. For semithe use of energy stuffier cloths. Where: automatic clothes washers, open the hot

2.8 Use oftestloads. C= capacity in cubic feet (liters). water faucet valve completely and close the 2.8.1 Top-loader-vertical-axis clothes W =mass ofwater in pounds (kilograms). cold water faucet valve completely to achieve washers for calculatingenergy factor.The p = density ofwater at the measured the hottest TUF combination setting. top-loader clothes washer shall be tested temperature in pounds per cubic foot 3.2.1.2.3 Measure the respective number without atest load, except for clothes (kilograms perliter). ofgallons (liters) of hot and cold water used washers equipped with machine controlled 3.1.2 Front-loader andtop-loader- to fill the tub for the wash cycle. water fill capability. Machine controlled horizontal-axsclotheswasher.For front- 3.2.1.2.4 Measure the respective number water fill capable clothes washers shall use loader-horizontal-axis clothes washers, ofgallons (liters) of hot and cold water used

a test load per section 2.8.2. position the tub and shaftaxis vertically with for al deep rinse cycles.

2.8.2 Front-loader, top-loader-horizontal- the tub facing up. For top-loader-horizontal- 3.2.1.2.5 Measure the respective gallons axis,top-loadvevertical-axis withmachine- axis clothes washers, position the washer in iters) ofhot and cold water used for all controlled water fill capableandtop-loader- spray rinse cycles. its upright position and the centerline ofthe spray rinse cycles. vertical-axis forcalculating modifiedenergy inner door at the the 3.2.1.2.6 For automatic clothes washers factor,clothes washers. i n ne r d a t the op position. L n e th e repeat sections 3.2.1.2.3, 3.2.1.2.4, and

2.8.2.1 Standardsize clothes washer. clothes container with 2 mi (0.051 mm) 3.2.1.2.5 for each of the other wash/rinse When the maximum water fill level is being plastic sheet or use some other method to temperature selections available that use hot tested, the test load shall be seven pounds as prevent the water from entering the outer tub water. For semi-automatic clothes washers described in section 2.7.1. When the container. Fill the clothes container with repeat sections 3.2.1.2.3, 3.2.1.2.4, and minimum water fill level isbeing tested, the water to its uppermost edge. This filling 32.1.2.5 for the TUFs in section 6 with the test load shall be three pounds as described procedure may require overriding of the fill following water faucet valve adjustments: in section 2.7.2. level control, or manually completing the fill

2.8.2.2 Compactsize clotheswasher. to the top of the container after the fill sensorFaucet position When either the maximum or minimum terminates the fill at maximum level.) Record water fill levels are being tested, the test load the weight ofthe machine before filling it Hot valve Cold valve shall be as described in section 2.7.2. with water and then after filling it with

2.8.3 Method ofloading.Load the energy water. The clothes container capacity is Hot................ Completely Closed. test clothes by grasping them inthe center, calculated as follows: open. 

### Federal Register I 

### Vol. 60, No. 56 I 

### Thursday, March 23, 1995 I 

### Proposed Rules 

## 15359

2.5.5 Waterpressuregauge. The water shaking them to hang looselyand then pressure gauge shall have a resolution of 1 dropping theminto the clothes container psig (6.9 kPa) and shall have an error no prior to activating the clothes washer. greater than 5 percentofany measured value 2.9 Preconditioning. Ifthe clothes washer
over the range of 32.5 psig (224.1 kPa) to 37.5 has not previously been tested nor ftlled with psig (258.6 kPa). water in the preceding 96 hours.

2.6 Test cloths. precondition it byrunning itthrough a cold 2.6.1 Energy test cloth. The energy test rinse cycle and then draining itto insure that cloth shall be clean and consist·ofthe the hose, pump. and sump are filled with following:

.

2.6.1.2 Pureflnished bleached cloth. Pure water. finished bleached cloth. made with a momie 2.10 Wash time setting. The actual wash
orgranite weave. which is 50 percentcotton. time (period ofagitation) shallbenot less and 50 percentpolyester and weighs 5.75 OZ/ than 9.75mtnutes. yd2(195.0 g/m2) and has 65 ends on the warp 2.11 Agitatorandspin speed settings. and 57 picks on the fill. Where controls are provided for agitation and

2.6.1.3 Cloth material. Cloth material that spinspeed selections. setthem atthe normal is 24 in by 36 in (61.0 cm by 91.4 em) and cYcle settings. Ifsettings atthe normal cycle has been hemmed to 22 in by 34 in (55.9 cm are not offered. set the control settings to the by 86.4 cm) before washing. The maximum maximum levels permitted on the clothes shrinkage after five washes shall not be more washer. than four percenton the length and width. 3. Test Measurements

2.6.1.4 Number oftests. The number of testruns on the same energy test cloth shall 3.1 Clothes container capacity. Measure not exceed 25 runs.

. the entire volume which a dryclothes load

2.6.2 Energystuffiercloths. The energy could occupy withtnthe clothes container. stuffier cloths shall be made from energy test according to sections 3.1.1 and 3.1.2. cloth material and shall consist ofpieces of 3.1.1 Top-loader-vertical-axis clothes material thatare 12 in by 12in (30.5 cm by washer. Une the clothes container and 30.5 cm) and have been hemmed to lOin by agitator with 2 mil (0.051 mm) plastic sheet 10 in (25.4 cm by 25.4 cm) before washing. or use some other method to preventthe Themaximum shrinkage after five washes water from entering the outer tub container shall not be more than four percent on the and intothe agitator. The agitator shall be in length and width. The number oftest runs on

. place. Fill the clothes container with water the same energy stuffier cloth shall not to its uppermost edge. (This filling procedure exceed 25 runs. may require overriding ofthe ftlllevel

2.7 Composition oftestloads.

. control. or manually completing the fill to 2.7.1 Sevenpound test load. The seven the top ofthe container after the fill sensor pound test load shall consist ofbone-dry terminates the rul at maximum level.) Record energy test cloths which weigh 7±O.07 Ibs the weight ofthe machine before ruling it (3. 18±O.03 kg). Adjustments to the test load with water and then after fillin it with to achieve the proper weight can be made by t Th 

### cl the tai g ity is the use ofenergy stuffier cloths. wa er. e 0 s**c~n** ner capac

.

2.7.2 11Jreepound testload. The three calculated as follows. pound test load shal1.consist ofbone-dry energy test cloths which weigh 3±O.03 Ibs (1.36±O.014 kg). Adjustments to the test load to achieve the proper weight can be made by the use ofenergy stuffier cloths.

2.8 Use of test loads. 2.8.1 Top-loader-vertical-axis clothes washersfor calculating energyfactor. The top-loader clothes washer shall betested without a test load. except for clothes washers equipped with machine controlled water fill capabllity. Machine controlled water fill capable clothes washers shall use . a test load per section 2.8.2.

2.8.2 Front-loader. top-loader-hor1zontalaxis. top-loader-vertical-axis with machlnecontrolled water fill capable and top-loadervertical-axisfor calculatingmodlfledenergy factor. clothes washers.

2.8.2.1 Standard size clothes washer. When the maximum water fill level is being tested. the test load shall be seven pounds as described in section 2.7.1. When the mtntmum water fill level is being tested. the test load shall be three pounds as described in section 2.7.2.

2.8.2.2 Compact size clothes washer. When eitherthe maximum or minimum water fill levels are being tested. the test load shall be as described in section 2.7.2.

2.8.3 Method of loading. Load the energy test clothes by grasping them in the center. Where: 

# w 

# c=- p

C = capadty incubic feet (liters). W 

### =mass ofwater inpounds (kilograms). p 

### =density ofwater at the measured temperature inpoundspercubic foot (kilograms per liter). 3.1.2 Front-loader and top-loaderhorizontal-axis clothes washer. For frontloader-horizontal-axis clothes,washers. position the tub and shaft axis vertically with the tub fadng up. For top-Ioader-horizontal-

. axis clothes washers. poSition the washer, in itsupright position and the centerline ofthe inner door at the top position. Une the clothes container with 2 mil (0.051 mm) plastic sheet or use some other method to preventthe water from entering the outer tub container. FUI the clothes container with water to itsuppermost edge. (This ftlllng procedure may require overriding ofthe fill level control. ormanually completing the fUI to the top ofthe container after the fill sensor terminates the fill at maximum level.) Record the weight ofthe machine before filling it with water and then after filling it with water. The clothes container capacity is calculated 

## as follows: Where: 

## . W 

# c=- p

C= capacity incubic feet (liters). W = mass ofwater in pounds (kilograms). p = density ofwater atthe measured temperature in pounds percubic foot (kilograms per liter). 3.2· Test cycle. Establish the test conditions setforth in section 2 ofthis appendix. Automatic and semi-automatic clothes washers thathave infinite orvarious temperature selection features that do not conform to the wash/rinse temperature· combination settings ofsections 5 or 6 shall be tested atthe following temperature settings: Hottest settingavaUable on the machine. hot {a minimum of 140°F (60.0°C) and a maximum of 145°F (62.8°C». warm {a 'minimum of 100°F (37.8°C) and a maximum of 105°F (40.6°C». and coldest setting available on the machine.

3.2.1 Nonwater-heatlng clothes washers. 3.2.1.1 Per-cycle electrical energy consumption. Set the water level selector at maximum fill avaUable on the clothes washer and insert the appropriate test load. if applicable. Activate the normal cycle ofthe clothes washer and also any suds-saver switch.

.

3.2.1.1.1 Measure the electrical energy consumption ofthe clothes washerfor the complete normal cycle.

3.2.1.2 Hot and cold water consumption with the waterlevelselectoratmaximum fl11 available on the clothes washer. If manually controlled.

3.2.1.2.1 Set the water level selector at maximum rul avaUable on the clothes williher and insert the appropriate test load. Activate the normal cycle ofthe clothes washer and also any suds-saver switch.

3.2.1.2.2 For automatic clothes washers. set the wash/rinse temperature selector to the hottest TUF combination setting. For semiautomatic clothes washers. open thehot water faucet valve completely and close the cold water faucet valve completely to achieve the hottestTUF combination setting.

3.2.1.2.3 Measure the respective number ofgallons (liters) ofhot and cold water used to rul the tub for the wash cycle.

3.2.1.2.4 Measure the respective number ofgallons (liters) ofhot and cold water used for all deep rinse cycles

.

3.2.1.2.5 Measure the respective gallons (liters) ofhot and cold water used for all sprayrinse cycles.

3.2.1.2.6 For automatic clothes washers repeat sections 3.2.1.2;3.3.2.1.2.4. and 3.2.1.2.5 for each ofthe other wash/rinse temperature selections avaUable·tbat use hot water. For semi-automatic clothes washers repeat sections 3.2.1.2.3. 3.2.1.2.4. and 3..2.1.2.5 for the TUFs insection 6 with the following water faucet valve adjustments:

Faucet position

Hot valve Cold valve

Hot

................ Completely Closed. open.

### 15360 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

Faucet position and complete testing. Measure and record the Vhj and Vq, measured at minimum fill level kilowatt-hours ofelectrical energy consumed for each wash/rinse TUF combination setting Hot valve Cold valve for the complete cycle as Ehi. in section 3.2.1.3, excluding any fresh make3.2.2.1.3 Warmwash atmaximumfil1 upwater required to complete the fill during Warm

......... Completely Completely Repeat section 3.2.2.1.2 for a warm wash a suds-return cycle. open. open. setting at a minimum of100°F (37.8°C) and 3.4.1.4 Recordtheindividualgallons Cold......... Closed......... Completely a maximum of 105°F (40.6°C). Measure and (liters)ofhot and cold water, ShH and ScH, open. record the kilowatt-hours of electrical energy measured atmaximum fill for the suds-return consumed for the complete cycle as E,,.,. cycle. 3.2.1.2.7 Set the suds-saver switch to 3.2.2.1.4 Coldwashatmaximumfll. 3.4.1.5 Record the individualgallons activate the suds-return. Repeat sections Repeat section 3.2.2.1.1 for the coldest water (liters)ofhot and cold water, ShL and SCL, 3.2.1.2.3 to 3.2.1.2.5 for a Warm/Cold setting. Measure and record the kilowatt- measured atminimum fill for the suds-return temperature setting. hours of electrical energy consumed for the cycle.

3.2.1.3 Hotandcoldwaterconsumption complete cycle as Ecm. Ensure that the inlet 3.4.2 Water-heatingclotheswashers. with the water level selectoratminimumfil. water temperature is maintained per section 3.4.2.1 Record the kilowatt-hours of Set the water level selector at minimum fill 2.3. electrical energy Ean., E.ma., Ew,.x, and and insert the appropriate test load. Activate 3.2.2.2 Per-cyclewaterconsumptionat 

### Ec. consumed at maximum fill level for the normal cycle of the clothes washer and maximumfill. Measure the total number of each wash/rinse TUF combination setting in also any suds-saver switch. Repeat sections gallons (liters) ofwater used in sections sections 3.2.2.1.1, 3.2.2.1.2, 3.2.2.1.3, and 3.2.1.2.2 through 3.2.1.2.7. 3.2.2.1.1, 3.2.2.1.2, 3.2.2.1.3, and 3.2.2.1.4, 3.2.2.1.4, respectively.

3.2.1.4 Hotandcold waterconsumption including all wash, deep rinse, and spray 3.4.2.2 Record the total gallons (liters)of forclothes washersthatincorporate apartial rinse cycles as VhaTM, Vbx., V-,,, and water consumption, Vhmu. Vma, V.,... and fill during therinsecycle. When sections Vo. V., measured at maximum fill level for 3.2.1.2 and 3'2.1.3 cannot be used for clothes 3.2.2.3 Per-cycleelectricalenergy each wash/rinse TUF combination setting in washers that incorporate a partial fl during consumptionatminimumfill. Setthe water section 3.2.2.2. the rinse cycle, activate any suds-saver level selector to the minimum fill position, 3.4.2.3 Record the kilowatt-hours of switch and operate the clothes washer for the fmanually controlled. electrical energy, Eat ,.Eh 

### E,,

. F, and * complete normal cycle at both the maximum 3.2.2.3.1 Hottestwashatminimumfill. E,. consumed atminimum fill level for water full level and the minimum water fill .Repeat section 3.2.2.1.1. Measure and record each wash/rinse TUF combination setting in level for each ofthe wash/rinse temperature the kilowatt-hours ofelectrical energy section 3.2.2.3.1, 3.2.2.3.2, 3.2.2.3.3, and selections available. Measure the respective consumed for the complete cycle as Ei

. 3.2.2.3.4, respectively. hot and coldlwater consumed during te 3.2.2.3.2 Hotwash atminimumfill. 3.4.2.4 Record the total gallons (liters) of hot and cold-water clonsumed during the Repeat section 3.2.2.1.2. The hot wash setting water consumption, ¥hb,,, Vhai..V.w.,, and

3.2.2 Water-heaingclotheswashers.For shall be at a minimum of 140°F (60.0°C) and V, measured at minimum fill level for w ater-heating clothes washers thefollowing a maximum of 145°F (62.80C). Measure and each wash/rinse TUF combination setting in watemperature seting s wia be tested: honest record the kilowatt-hours ofelectrical energy section 3.2.2.4. temperature settings will b e tested: hottest temperature msettings be consumed for the complete cycle as E

.. - 3.4.3 Record the weight of the test loads: setting available on the machine, hot (a 3.2.2.3.3 Warmwashat minimumfill. W,, and Wi, after completion of test teminimumpofa40F (60.C ) a nd a m a xi m um Repeat section 3.2.2.1,2 for warm wash cycles in section 3.3. of 145°F (62.8°C)), warm (a minimum of 1 yof 145eF c at einergy `F setting ata minimum of 100° F (37.8°C) and 4. CalculationofDerfvedResultsFrom Test 1000F (37.80 C) and a maximum of 105°F a maximum of 1050F (40.60 C). Measure and (40.6C)), and coldest setting available on the record the kilowatt-hours of electrical energy Measurements machine. These temperature mustbe macie ese temerature mu econsumed for the complete cycle as Ewe. 4.1 Energy consumption. confirmed by measurement using a 3.2.2.3.4 Coldwash atminimumfill. 4.1.1 Nonwater-heatng othes washers. temperature sensing device. Repeat section 3.2.2.1.1 for the coldest wash 4.1.1.1 Per-cycletemperature-weighted

3.2.2.1 Per-cycle electricalenergy setting. Measure and record the kilowatt- hotwater consumption formaximum and consumptionatmaxlmumfill. Set the water hours ofelectrical energy consumed forthe minimumwater filllevels.Calculate for the level selector at maximum fill available on complete cycle as E.in.Ensure that the inlet cycle under test the per-cycle temperature the clothes washer, ifmanually controlled. water temperature is maintained per section weighted hot water consumption for the

3.2.2.1.1 Hottestwash atmaximum fill. 2.3. maximum water fill level, Vhw, and for the Activate the machine and nsert the 3.2.2.4 Per-cyclewaterconsumptionat minimum water fill level, Vhi,. expressed in appropriate test load, ifapplicable. Select the minimumfil. Measure the total number of gallons per cycle (ltersper cycle) and normal or its equivalent wash cycle. Where gallons (liters)ofwater usedinsections defined as: spin speed selection is available, set the 3.2.2.3.1, 3.2.2.3.2. 3.2.2.3.3, and 3.2.2.3.4, control to its maximum setting Set the water including allwash, deep rinse, and spray temperature selector to the hottest setting and rinse cycles. 

## Vh= 1 

### + activate the wash cycle. Measure and record 3.3 Moisturecontentoftestload.Weigh= the kilowatt-hours of electrical energy the test loads after completion of testcycles consumed for the complete cycle as E.n. in warmwash/cold rinse or cold wash/cold

3.2.2.1.2 Hotwash atmaximumfill. rinse temperature setting for both maximumn X TUF, 

### xShtl Insert a water temperature sensing device and minimum water fills. inside the inner drum prior to testing. 3.4 Datarording. Record for each test Where: Activate the machine and insert the cycle in sections 3.2.1 through 3.3. Vhi = reported hot water consumption in appropriate test load., f applicable. Select the 3.4.1 Nonwater-heating clothes washers. gallons per cycle (litersper cycle) at normal or its equivalent wash cycle. Where 3.4.1.1 Record the kilowatt-hours of maximum fillfor each wash/cycle TUF spin speed selection is available, set the electrical energy, M, consumed during the combination setting, as provided in control to its maximum setting. Set the water test to operate the clothes washer in section section 3.4.1.2. (Ifa clothes washer Is temperature selector to the hot setting (a 3.2.1.1. equipped with two different wash/rinse minimum of 140°F (60.0°C) and a maximum 3.4.1.2 Recordthe individual gallons temperature selections that have the of 145°F (62.8°C)) and activate the wash (liters) ofhot and cold water consumption, same basic TUF label (oneof them has cycle. Verify the wash water temperature, Vh,and Vci, measured atmaximum fill level its water temperature controlled by which must be at a minimum of 140'F for each wash/rinse TUF combination setting thermostatically controlled valves and (60.0°C) and a maximum of 145°F (62.80C). in section 3.2.1.2, excluding any fresh make- the other one does not), thenthe higher Ifthe measured water temperature is not up water required to complete the fill during of the two Vi's shall be used forthe within the specified range, stop testing, a suds-return cycle. calculation.) adjust the temperature selector accordingly 3.4.1.3 Record the Individual gallons TUFI

- applicable temperature use factor in and repeat the procedure. Otherwise, proceed (liters) ofhot and cold water consumption, section 5 or 6. 

## 15360 Federal Register' / 

### VoL 60, 

### No. 56 / 

### Thursday, March 23, 1995 / 

### Proposed Rules

Faucet pOsition
Hot va/ve


### Warm

............ .Completely open. Cold

..:............ Closed

......... Cold valve Completely

open. Completely

. open.
3.2: 1.2.7 Set the suds-sawrswitch to

.activate the suds-return. Repeat sectionS 3.2.1.2.3 to 3.2.1.2.5 for a Warm/Cold temperature sett1Jlg;

.



### 3.2.1.3 Hot and cold water Consumption with the waterlevelselectoratminimumflll. Setthe.waterlevel selector at minimum ftll and insert the appropriate test load. Activate the normal cycle ofthe clotheswasher and also any suds:.saver switch. Repeat sections 3.2.1.2.2 through 3.2.1.2.7.



### 3.2.1.4 Hot andcold waterconsumption for clothes 

### washers thatIncorporate a 

### partial flll dur1ng the rinse 

### cycle. Whensections

. 3.2.1.2 and**3~2.1.3** 

## cannot be .used for clothes washers that InCorporate a partial ftll during the rinse cycle. activate any suds-saver ' switch and operatethe clotheswasherfor the complete norinal cycle at both the maximum waterfill level and the minimumwaterf1ll level for each ofthe wash/rinsetemperature selections available. Measure 

### the respective hot and cold1water consumed during the complete normal cycle.



### 3.2.2 Water-heattns clothes washers. For wafer-heatingclothes washers the following temperature settings will be tested: hottest setting available onthe machine. hot (a minlmumof 1400F (SO.OOC) and a maximum of 145°F (S2.S0C». warm (a minimum of 100°F (37.S0C) and a maximum of 105°F (40.SoC». and coldest setting available onthe machine. These temperature mustbe conftrined by measurement using a temperature sensing device.



### 3.2.2.1 Per-cycle electrical energy consumption atmaidinum,flll. Set the water level selector at maximum ftll available on

. the clothes washer. ifmanuallycontrolled.



### 3.2.2.1.1 Hottest wash atmaximumflll. Activate

.. the machine.and insertthe appropriate test load. ifapplicable. Select the normal oritsequivalent washcycle. Where spin speed selection 15 available. set the ,controlto itsmaximumsetting. Set the water

temperature selector to the hottest setting and activate the wash cycle. Measure and record the kilowatt-hours ofelectrical energy consumed for the complete cycle as**~.**



### 3.2.2.1.2 Hot wash atmaximumfill. Inserta water temperature sensing device inside themner drum priorto testing. Activate the machine and Insert the appropriate test load. Ifapplicable. Select the normal oritsequivalent washcycle. Where spin speed selection 15 available. setthe control to its maximum setting. Set thewater

. temperature selector to the hotsetting (a minimum of 140"F (SO.O°C) and a maximum of 145°F (S2.S 0C» and activate the wash cycle. Verify the wash watertemperature. which mustbe ata m1n1mum of 1400F (50.0°C) and a maximum of 145°F (S2.SoC). Ifthe measured watertemperature isnot within the spec1fted range. stoptesting. I

.adjust the temperature selectoraccordingly and repeat the procedure. Otherwise. pipCeed and complete testing. Measure and retord the**kilowatt~hours** ofelectricalenergyconsumed for the complete cycle as 

### Et,,-.

3.2.2.1.3 Wann wash atniaximum fill Repeat section 3.2.2.1.2 for a warmwash settingat a minimJJIIi oflOO°F (37.S0C) and
a maximum of 105°F (40.S°C). Measure and' record the kilowatt-hours.ofelectrical energy consumed for the complete cycle asE.......".



### 3.2.2.1.4 Cold wash at maximum

### 00.

. Repeat section 3.2.2.1.1 for 

### the coldestwater setting. Measure and record the kilowatthours ofelectrical energyconSumed for the completecycle,as E.,

........ Ensuret,hat the inlet water temperature ismaintained per,section**~3.·** .



### 3.2.2.2 Per-cyelE; waterconsumption at maximum

### 00

. . Measure the total numberof gaIlons (liters) ofwater used in sections 3.2.2.1.1.3.2.2.1.2.3.2.2.1.3. and 3.2.2.1.4. including all wash. deep

### rinse. and spray rinse cycles as V_,**V~.** V w

_. and V

__. .



### 3.2.2.3 Per-cycle electrical energy consumption atminimumflll. Set the water .level selectorto the minimum ftll pos.ition.**ifman~ycori~lled.** .



### 3.2.2.3.1 Hottestwash atminimum00. Repeat section 3.2.2.1.1. Measure and record the kilowatt-hours ofelectrical energy consumedfor the complete cycle as 

### Ebt,miA.

3.2.2.3.2 Hot wash atminimum00. Repeat section 3.2.2.1 ;2. )behotwash setting shall be at a minimum of 140°F (SO.O°C) and
a maximumof 145°F (S2.S°C). Measure and record the kilowatt-hours ofelectrical energy consumed for the complete cycle as

## &..m.m.

. 3.2.2.3.3 

### Wann wash atminimumfill.

. Repeat section 3.2.2.1,2 for warm wash settingata minimum of 100°F (37.S0C) and
a maximum of 105°F (40.S0C). Measure and record the kilowatt-hours ofelectricalener&y consumed for the complete cycle asE..,miD.



### 3.2.2.3.4 Cold wash 

### at mlnJmum 

### ml.

.Repeat section 3.2.2.1.1 for the coldestwash setting. Measure and record the kilowatthours ofelectrical energy consumed for the completecycle as E.,,miD. EnSure that the inlet watertemperature 15 mainta1ried persection 2.3.



### 3.2.2.4 Per-cycle waterconsumption at minimumflll. Measure thetotal numberof gallons (liters) ofwater used insections 3.2.2.3.1.3.2.2.3.2.3.2.2.3.3. and 3.2.2.3.4. including allwash, deeprinse. and spray rinsecycles.



### 3.3 Moisture contentof testload. Weigh the test loads

# after completionoftest cycles inwarmwash/cold rinse orcold wash/cold

. rinse temperature setting for both maximum

and minimum water ftlls.

.



### 3.4 Data recording. Record for eachtest cycle 10 sections 3.2.1 through 3.3.



### 3.4.1 Nonwater-heattns clothes washers, 3.4:1.1 Record the kiloWatt-hourS of electrical ener&y. 

### Ms. consumed during the test to operate the clotheswcisher insection 3.2.l:I.

3.4.1.2 Record the individualgallons

.(liters) ofhotand cold water consumption. Vhl and VCI. measured at maximum fill level for each wash/rinseTUF combination setting Insection 3.2; 1.2. exChlding any fresh makeupwater required to complete the ftII during
a suds-return cycle.

.

.. 3.4.L3 Record the Individual gallons (liters) ofhot and'cold water consumption. Vhj and VCj. measured at m1n1mum ftllievel for eachwash/rinse TUF combinationsetting in sectiori 3.2:1.3. excludingany fresh makeup waterrequired to complete the ftll duririg
a suds-returncycle.

.

3.4.1.4 Record the individual gallons. (liters) ofhot and cold watel'.ShH and SC}{. measured at maximum ftll for the suds-return cycle.

3.4.1.5 Record the individual gallons (liters)**ofho~** and cold water. Silt. and ScL measured at minimumfill for the suds-return cycle.



### 3,4.2 Water-heattns clothes washers. 3,4.2; I Record thekilowatt-hours of electrical ener&y 

### E.m-.**~.F.,,;;..,..** and 

### E."...a consumed at maximum

# nn level for each washlrinseTUF combination setting in sections 3.2.2.1.1.3.2.2.1.2.3.2.2:1.3. iIJld 3.2.2.1,4. reSpectively.

.**3,4.2.~.** Record the total gallons (liters) of water consumption. V_, V

.......... V w

-.. and V

o
........ measured at maximumffillevel for each washlrinseTUF combination setting in .section 3.2.2.2. 'i

-

3.4.2.3 Record thekilowatt-hours of electrical ener&y.**~.** 

## F.t"..w.. E..,miD. and E.,,mIa consumed at m1n1mum fW level for each wash/rinse.TUF combination setting in section 3.2.2.3.1.3.2.2.3.2.3.2.2.3.3. and 3.2.2.3.4. respeCtively.**3.4~2.4** Record the total gallons (liters) of water consumption. V-.;; Vb,miD.'vw,miD. and
, Vo,miD. measured at minimum ftllievel for each washlrinse TUF combination settingin section 3.2.2.4.

3.4.3 Record the weight ofthe test loads; W_and WmiA. after completion oftest cycles in section 3.3. 

### 4. Calculation of DerivedResults

### From Test Measurements

.



### 4.1 Energy 

### consumption..

. 4.1.1 Nonwater-heattng clothes

### washers. 4.1.1.1 Per-cycle temperature-weighted hotwater consumptionformaximum and minimum waterfllllevels. Calculate for the cycle under test the per-cycle teniperature weighted hotwaterconsumptionfor the

.maximum water ftllievel. 

### Vhm.. and for the minimum water ftllievel. 

### Vh..w.. expressed in

. gallons percycle (liters percycle) and

defined as:

. .

n 

### Vhmax = 

### X1L[Vhi 

### x

# TUFd+

i=l



### -Where:

, Vb; = reported hotwater consumption in gallons percycle (liters percycle) at maximum fWfor eachwash/cycle TUF combinationsetting. as provided 10 ' section 3.4.1.2. (If.a clotheswasher 15 equipped with two differentwash/rinse

. temperature selections thatruive the

. same basic TUF label (one ofthem has its water temperature controlled by

.thermostatically controlled valves and the other one does not). thenthe higher ofthe two VI'S shall be usee! for the calculation.)

.. TUFI= applicable temperature use factor in section 5 or S. 

# . ,

### Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15361

n= number ofwash/rinse TUF combination 

### r l / n =number ofwash/rinse TUF combination Emin [Vhmin x T x Kx MF] Emin (0.05x Ehtrain)+(0.25 x Ehmi.) setting available to the user for the x M 

### E =0.0 x ,0.25 xE clothes washer under test. Where: TUF, = temperature use factor for warm T as defined above. +(0.55x E,i))+(0.15 

### x E,m,) wash setting. K =as defined above. For clothes washers equipped with the V = as dened n section 4.Where: Vhm. = as defined in section 4.1.1.1. suds-saver feature: MF =as defined in section 4.1.1.2. Ehtn, = as defined in section 3.2.2.1.1 XI = frequency ofuse without the suds-saver 4.1.1.3 Totalweightedper-cycle hot water Elm,

- as defined in section 3.2.2.1.2 feature

- 0.86.energy consumption expressedin kilowatt- E = as defined in section 3.2.2.1.3 X2

- frequency ofuse with the suds-saver hours.Calculate the total weighted per cycle Ec. = as defined in section 3.2.2.1.4 feature

- 0.14. hot water energy consumption, ET, expressed E&tan = as defined in section 3.2.2.3.1 ShH

- fresh make-up water measured during in kilowatt-hours per cycle and defined as: E = as defined in section 3.2.2.3.2 suds-return cycle atmaximum water fill EEwmn =as defined in section 3.2.2.3.3 level. E =[E x 

### F. 1+E x 

### F.-1 E,,i= as defined in section 3.2.2.3.4 For clothes washers not equipped with the T mx xj i mi4.1.2.2 Total weighted per-cycle energy suds-saver feature: Where: consumptionexpressedinkilowatt-hours. Fn=usage fill factor=0.72 Calculate the total weighted per cycle energy X 1 = 1.0 F>,u=usage fill factor=0.28 consumption, ET, expressed in kilowatt- 

### .0E,,E=as defined in section 4:1.1.2. hours per cycle and defined as: X2 = 0.0 Em,,=as defined in section 4.1.1.2. and 4.1.1.4 Per-cyclemachine electrical ET =[Emx x Fx]+[Emin x Fmin] energyconsumption.The value recorded In Wherenhr .XC[Vh, * TU~section 3.4.1.1 is the per-cycle machine InTkilowatt-hours per cycle. F~ = asdefined in section 4.1.1.3. Vh Xi=1~~~~~~~ 

## E.F.,i = as defined in section 4.1.2.1.3. 

### Vhmi =X VhjxTUFj+ electricalenergyconsumption, ME, expressed F13 i=1 in kilowatt-hours per cycle.*E.- asd ®ndi se c t .1 4.1.1.5 Per-cyclewaterenergy E =asdenedinsection 4121 consumptionusinggas-heated or oil-heated X2 [TUFwxShL] water.Calculate for the normal cycle the per- 4.2 Per-cycleenergyconsumptionfor Where: cycle water consumption, ETO, using gas removal of moisture from testload Calculate wVhjreported hot water consumption In heated or oil-heated water, expressed in BTU the per-cycle energy required to remove the Vhj = reported hot water consumption in moisture of thetest load, moisture removal gallons per cycle (liters per cycle) at per cycle (megaoulesper cycle) and definedest load, mosture removal minimum fill for each wash/rinse TUF a: energy, Hv expressed kilowatt-hours per cycle and defined as: combination setting, as provided in section 3.4.1.3. (Ifa clothes washer is1 3412 BTU equipped with two different wash/rinse ETG = ET X - 

### H = (W 2 Wl) DEF temperature selections that have the e kWh Where:
same basic TUF label (one of them has itswater temperature controlled by

- - W2

- Weighted test load after normal cycles, thermostatically controlled valves and 1 3.6 

### MJ in lbs (kg). the other one does not), then the higher TG T

- = [(W xFJ+ (WnxFJ)I. of the two Vi's shall be used for the 

### e JW = as defined in section 3.4.3. calculation.) Where: Wim = asdefined in section 3.4.3. TUFj =applicable temperature use factor in e = nominal gas or oil water heater Fn = as defined in section 4.1.1.3. section 5 or 6. effciency=0.75. Fmn = as defined in section 4.1.1.3. ShL = fresh hot make-up water measured ET = as defined in section 4.1.1.3. W 1 = weighted reference weight (bone dry) of during suds-return cycle at minimum test load. water fill level.4.1.1.6 otalper-cycleenergy= 5.88 Ibs (2.42 kg) for standard size
n = as defined above. consumption when electrically heatedwater clothes washers. TUFw = as defined above. is used Calculate for the normal cycle the = 3 Ibs (1.36 kg) for compact size clothes XI = as defined above. total per-cycle energy consumption, ETE, washers. X2 = as defined above. using electrically heated water, expressed in = nominal energy required for a clothes

4.1.1.2 Totalper-cyclehotwaterenergy kilowatt-hours per cycle and defined as: dryer to remove moisture from clothes, consumption formaximum andminimum ETE=ET+ME 0.5 kWhlbs (1.1 kWh/kg). water filllevels. Calculate the total per-cycle Where: 4.3 Waterconsumption. hot water energy consumption for the ET = as defined in section 4.1.1.3 4.3.1 Nonwater-heating clothes washers. maximum water fill level, Em and forthe ME = as defined in section 4.1.1.4. 4.3.1.1 Per-cycle temperature-weighted minimum water level, Emin, expressed in 4.1.2 Water-heatingclothes washers. waterconsumption formaximum and kilowatt-hours per cycle and defined as: 4.1.2.1 Per-cycletemperature-weighted minimum water filllevels. Calculate for the
energy consumption formaximum and cycle under test the per-cycle temperature

## Emx = [Vhmx xT x KxMF] minimum water fill levels. Calculate for the weighted total water consumption for the cycle under test the per-cycle temperature maximum water fill level, QO., and for the Where: weighted energy consumption for the minimum water fill level, Qn, expressed in T = temperature rise = 90°F (50°C). maximum water fill level, E.,, and for the gallons per cycle (liters per cycle) and K = water specific heat = 0.00240 kWh/ minimum water fill level, E., expressed in defined as: (gal.-F) [0.00114kWh/(L.C)]. kilowatt-hours per cycle and defined as: VhI~ = as defined in section 4.1.1.1. MF

- multiplying factor to account for \ = 

### [(vhi +Vcj)x TUF] absence oftest load=0.94 for top-loader Em

. =(005XE ht,m)+(0 2 5 x Eh,ma) Vi) vertical axis clothes washers that are sensor filled, 1.0 for all other clothes t i x V wsensor hied, 1.0 for ar other clothes + (0.55 x Ewax )+ (0.15 xEcm ) + X2 [TUFw x (ShH +SCH) ]
and: and, Where: 

### Federal Register 

### I 

### Vol. 60, No. 56 I 

### Thursday, March 23, 1995 I 

### Proposed Rules 

## 15361

n = number ofwash/rinse TUF combination setting avallableto the user for the clothes washer under test. TUF

....temperature use factor for warm wash setting. For clothes washers equipped withthe suds-saver feature: 

### XI = frequency ofuse withoutthe suds-saver feature" 0.86. 

### X

2

.. frequency ofuse with the suds-saver feature

.. 0.14. ShH

.. fresh make-up water measured during suds-return cycle at maximum water fill level. Forclothes washers not equipped withthe suds-saver feature:

.

and

n 

### Vh

### min = X1 

### L[Vhj 

### x TUF j 

### ]+ j=1

Where: Vh

j = reported hotwater consumption in

gallons percycle (liters per cycle) at minimum ffil for each wash/rinse TUF combination setting, as provided in section 3.4.1.3. (Ifa clothes washer is equipped with two differentwash/rinse temperature selections that have the

same basic TUF label (one ofthem has its water temperature controlled by thermostatically controlled valves and the other one does not). then the higher ofthe two Vj's shall be used for the calculation.) TUF j = applicable temperature use factor in section 5 or 6. ShL = fresh hot make-up water measured during suds-return cycle at minimum water fill level.

n = as defined above. TUFw "" as defined above. 

### XI = as defined above. 

### X

2= as defined above. 

### 4.1.1.2 Totalper-cycle hotwater energy

. consumptionfor maximum andminimum watermllevels. Calculate the total per-cycle hot water energy consumption for the maximum waterfill level. E""", and for the minimum water level. 

### E..w.. expressed in kilowatt-hours per cycle and defined as:


### Emax =[Vh

### max x TxKxMF]
Where: T 

### =temperature rise

.. 90°F (50°C). K

.. water specific heat

..0.00240 kWh/ (gal.0F) [0.00114 kWhl(VC)). 

### Vhmu" as defined in section 4.1.1.1. MF

.. mUltiplying factor to account for absence oftest load=O.94 for top-loader vertical axis clothes washers that are sensor filled. 1.0 for all other clothes washers and: 

### Emin 

### = [Vhmin 

### x T xKxMF]
Where: T

..as defined above. K

.. as defined above. 

### Vhmm

.. asdefined in section4.1.1.1. MF

..as defined in section 4.1.1.2.



### 4.1.1.3 Total weightedper-cycle hotwater energy consumption expressed in 

### ldlowatthours. CalcUlate the total weighted percycle hot water energy consumption. ET.expressed in kilowatt-hours per cycle and defined as:


### ET = [Emax xFmax]+[Emin x F min]
Where: F_=usage fill factor=O.72 Fmia=usage fillfactor=O.28 E_=as defined in section 4,1.1.2. Emu,=as defined in section 4.1.1.2.



### 4.1.1.4 Per-cycle machine electrical energy consumption. The value recorded in section 3.4.1.1 istheper-cycle machine electrical energy consumption. ME. expressed in kilowatt-how's per cycle.



### 4.1.1.5 Per-cycle water energy consumption usinggas-heated oroil-heated water. Calculate for the normal cycle the percycle water consumption. E TO•using gas heated or oil-heated water. expressed inBTU percycle (mega joules per cycle) and defined

as:



### E - E 1 [3412 BTU] TG- TX-x 

## e kWh 

# 1[3.6MJ] orETG =ETx-x

--- . e kWh Where:

e = nominal gas or oil water heater efficiency=O.75. ET = as defined in section 4.1.1.3.



### 4.1.1.6 Totalper-cycle energy consumption when electrically heatedwater is used. Calculate for the normal cycle the total per-cycle energy consumption. ETE• using electrically heated water. expressed in kilowatt-hours per cycle and defined as: ETE=ET+ME Where: ET = as defined in section 4.1.1.3

. ME = as defined 1n section 4.1.1.4. 

### 4.1.2 Water-heating clothes washers. 4.1.2.1 Per-cycle temperature-weighted energyconsumptionfor maximum and minimum water

## nn levels. Calculate for the cycle under test the per-cycle temperature weighted energy consumption for the

. maximum water ffillevel. 

### E....... and for the

minimum water fill level. 

### E..w.. expressed in kilowatt-hours percycle and defined as:


### Emax = (0.05 x Eht

.max)+(0.25x Eh• 

### max)

+ (0.55 xEw.max)+(0.15 xEc.max)

and. 

### Emin 

### = (0.05 xEht.min)+(0.25 x Eh• 

### min )


### +(0.55 X Ew .min

### )+(0.151XEc.min)

Where: 

### &.t,awt 

### =as defined in section 3.2.2.1.1 Eb,max" as defined insection 3.2.2.1.2 

### E..,awt = as defined in section 3.2.2.1.3 Ec_ 

### =as defined in section 3.2.2.1.4 Ebt,min = as defined in section 3.2.2.3.1 Eh,min" as defined in section 3.2.2.3.2 E..,min

..as defined in section 3.2.2.3.3 Ec,mia 

### =as defined in section 3.2.2.3.4



### 4.1.2.2 Total weightedper-cycle energy consumption expressed inkilowatt-hours. Calculate the total weighted percycle energy consumption. ET. expressed in kilowatt-' hoursper cycle and defined as:


### ET =[Emax xFmax]+[Emin xFmin]
Where: F""",

.. as defined in section 4.1.1.3. Fmia = as defined in section 4.1.1.3. 

### E......

.. as defined in section 4.1.2.'1. Emia

.. as defined insec.tion 4.1.2.1



### 4.2 Per-cycle energy consumptionfor removal of moisturefrom test load. Calculate the per-cycle energy required to remove the moisture ofthe test load. moisture removal energy. Hv. expressed in kilowatt-hours per cycle and defined as:

Where: W2 = Weighted test load after normal cycles. in Ibs (kg).

= [(W..,.,.xF..,.J+(WmiaxF..w.)). W""",

.. as defined in section 3.4.3. Wmia = as defined in section 3.4.3. Fmu = as defined in section 4.1.1.3. Fmia = as defined insection 4.1.1.3. WI" weighted reference weight (bone dry) of test load.

= 5.88 Ibs (2.42 

### kg) for standard size

clotheswashers.

.. 31bs (1.36 kg) for compact size clothes

washers. 

### DEF = nominal energy required for a clothes dryer to remove moisture from clothes. 0.5 kWhlIbs (1.1 kWh/kg). 

### 4.3 Water consumption. 4.3.1 Nonwater-heating clothes washers. 4.3.1.1 Per-cycle temperature-weighted waterconsumptionfor maximum and minimum watermllevels. Calculate for the cycle under test the per-cycle temperatureweighted total water consumption for the maximum water fillleveI. Q....,.. and for the minimum water fill level. Q...;... expressed in gallons per cycle (liters per cycle) and defined as:

D 

### Qmax = X1

### L[(Vhi+VCi)xTUFd

i=1

Where:

### 15362 Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

Vhi

- hot water consumption in gallons per ' Qu

- as defined in section 4.3.1.1. 4.4.2 Water-heatingclotheswashers. cycle at maximum fill for each wash/ Q =as defined in section 4.3.1.1. Calculate the modified energy factor, MEF, rinse TUF combination setting, as 4.3.2 Water-heating othes washers. expressed in cubic feet per kilowatt-hours provided in section 3.4.1.2. 4.3.2.1 Per-cyetemperature-weighted per cycle (liters per kilowatt-hours per cycle), Vci cold water consumption in gallons per- waterconsumption for maximumand as: cycle at maximum fill for each wash/ minimum water fill levels. Calculate for the rinse TUF combination setting, as C rinse TUF combination setng, s cycle under test theper-cycle temperature MEF provided in section 3.4.1.2. weighted total water consumption forthe 

### E +H TUFi

- applicable temperature use factor in maximum water fll level, Qu. and for the T v) nmsection 5 wsor ie T cm6.bia minimum water fill;level, QO,,. expressed in Where: n - 1 number ofwash/rinse TUF ombination gallons per cycle (liters per cycle) and C = as defined in section 3.1.1 or 3.1.2. settings available to the user for the defined as: ET as defined in section 4.1.2.2. dlothes r under test. clothes washer test. e aEHv- as defined in section 4.2. TUF

- temperature use factor for warmHv as dened n section 4.2. wash setting.max = 

### (0.5x 

### Vt, ) +

### (025 x Vbhx) 5.Applicable TemperatureUse Factors for For clothes washers equipped with suds- v + Determining HotWater Usage for Various
saver feature: + , 5 5 x Vwrm)x 0.15 x cnma)WashIRinse TemperatureSelections forAl X = frequency ofusewithout suds-saver and,utomatc Clothes Washers feature-0.86 5.1 Five-temperature selection (n-5). X2 frequency of use with suds-saver t. x TeInperaure feature-0.14 Qmi = x0.05 x Vht +2 Wash/inse temperaturer ShH

- freshhot water make-up measured+ 5 setting UF)aor during suds-return cycle atmaximum\ (0.55 Vm)+ _________(____) ( TU F) water fill level. Where: water-fill level. 'Where: Hot/Warmn

............................. 0.18 SCH



### - fresh cold water make-up measured VitaV, =as defined in section 3.2.2.2. Hot/Cold

............................... .12 during suds-return cycle at maximum V as defned in section 3.2.2.2.WamWar

......... .30

water fill level.» V
,. as defined in section 3.2.2.2. Warm/Cold

........................... .25 Forclothes washers not equipped with V

- as defined in section 3.2.2.2. Cold/Cold

.............................. 15 suds-saver feature: V nin as defined in section 3.2.2.4. VI,.i

- as defined in section 3.2.2.4. 5.2 Four-temperature selection (n-4). X = 1.0 V,,,, as defined in section 3.2.2.4. X2 = 0.0 V
,, as defined in section 3.2.2.4. Washrinse temperature Temperar and 4.3.2.2 Totalweighted per-cyclewater setting (TUF) consumption.Calculate the totalweighted 

### Dn

, per cyclewater consumption, QT, expressed Alternate I: Q

D 

### =X 1 [Vh. +Vc) XTUF. in gallons per cycle (liters per cycle) and Hot/Warm

.......................... 0.18

_m

## i nl'\ = X 1 s) J definedas: HotCold .12 -J lWarm/Cold

...................... .55 QT=[Qma x Fmax[+[Qmiax F '...] Cold/Cold

.......................... .15 QT

# =l Xia[XNFm Dteate1:+[min1 +X[TUF x (Sh +S cL)] Alteate II: +X[TUFV x^ShL+SL~j w~here: Hot/Warm

.......................... 0.18 Where: F,

- as defined in section 4.1.1.3. Hot/Cold

............................. 12 Vhj hot water consumption ingallons per F as defined in section 4.1.1.3.WarmWm

...................... .30 cycle (liters per cycle) at minimum fill Qa = as defined In section 4.3.2.1. Warm/Cold

.................... .40 for each wash/rinse TUF combination Q = as defined in section 4.3.2.1. Alterate Ill: setting, as provided in section 3.4.1.3. 4.3.3 Waterconsumption factor. wal

................ 18 Warm/Warm

...................... 0 182 Vcj

- cold water consumption ingallons per Calculate the water consumption factor,Wr o cycle (liters per ycle) at minimum fill WCF, expressed in cubic feet per gallon per W Cold

........... .55 for each wash/rinse TUFcombination cycle (liter per liter per cycle), as:.......................... setting, as provided in section 3.4.1.3. 

## C 5.3 Three-temperature selection (n=3). TUFj = applicable temperature use factor in

. 

### W' C section 5 or 6. W,
, at ShL

- fresh hot and cold make-up water QT Wash/rinse temperature useactor measured during suds-return cycle at Where: setting (TUF) minimum water fill level. C

- as defined insection 3.1.1 or 3.1.2.- SCL =fresh hot and cold make-up water T = as defined in section 4.3.1.2 forAltemate I: measured during suds-return cycle at nonwater-heating clothes washers. Hot/Warm

......................... 0.30 minimum water fill level. Warm/Cold

....................... .55

n =as defined in section 4.3.1.1. 4.4 Modfedenergyfactor. Cold/Cold

.......................... 15 TUF, = as defined in section 4.3.1.1. 4.4.1 Nonwater-heating clothes washers. Altemate II: X asdefined in section 4.3.1.1. Calculate the modified energy factor MEF, HotCold

.......................... 0.30 X2

- as defined in section 4.3.1.1. expressed in cubic feet per kilowatt-hours Warm/Cold

....................... .55 4.3.1.2 Total weighdp e w r per cycle (liters per kilowatt-hours percycle), Cold/Cold

................. .15 4.3.1.2 Totalweighted per-cycle water as:

........................ consumption.Calculate the total weighted as: AHemat 11 per cycle water consumption, QT, expressed C Wam a

................... 

### . in gallons per cycle liters per cycle) and MEF = 

### l/

. defined as: (ME +ET 

### +HV) Cold/Cold

......................... .15 defined as (ME+ET+Hv)
Q

_ n[Qm XFw.1]+[Q XFi. 1 Where: 6. ApplicableTemperatureUse Factors for QT 

## [ x JL* C

- asdeflned i 3.1.1 or 3.1.2. Determining Hot Water Usage for Various C .-as defined In section 3.1.1 or 3.1.2. Where: ME as defined in section 4.1.1.4.Wash1inse TeiperatureSettingsforAI F. = as defined in section 4.1.1.3 ET as defined in section 4.1.1.3.Sem-Automatic Clothes Washers F"

- asdefined in section 4.1.1.3. Hv

- as defined in section 4.2. 6.1 Six-temperature settings (n=6). 

## 15362 Federal Register' / Vol. ·60, No. 56 / Thursday, March 23, 1995 / Proposed Rules

Vhi

... hotwater consumptioningallons per,- cycle at**~um.ftll** for eachwashl

.

. rinse 

### TUF combinationsetting. as provided in section 3.4.,.2

.. VCI" coldwater consumption ingallons percycleatmaximum ftll for eachwashl 

### rInse TUF combinationSetting•.**~** provided insection 3.4.1.2. TUFi
- appUcable temperature use factor in section 5 or 6

.. n

... number ofwash/rinse TUF combtnation settings available to the userfor the clothes washerunder test. 

### TUF..,

... temperature use factor for warm wash setting. Forclotheswashers equippedwith sudssaverfeature: ," XI

... frequency ofuse withoutsuds-saver feature-O.86 X2

... frequency ofuse with suds-saver featureaO.14 ShH

... fres/1 hotwater make-up measured during suds-return cycle at maximum waterftlllevel.**~** ... fresh cold water make-up measured during suds-return cycle.at maximum waterftlllevel. For clotheswashers notequipped with suds-saverfeature:

.

and



### QmiD ::::Xt

# ± [(Vhj+VCj)XTUF j]

. let

Where: Vhj

.. hotwater consumption in"gallons per cycle (Uters percycle) at minimum ftll ' for eachwash/rinse TUFcombination setting. as provided insection 3.4.1.3. VCj

- cold water consumptioningallons per cycle (Uters percycle) at minimumftll for each washlrinse TUFcombination setting. as provided insection 3.4.1.3. 

### TUFj

.. appUcable temperature use factor in section 5 or 6. ShL

.. fresh hot and cold make-up water measured during suds-return cycle at intn1mum waterftlllevel.**~** .,; fresh hotand cold make-up.water measured during suds-return cycle at minimum water mllevel.
n

..

## as denDed in section 4.3.1.1. 

### TuF

.... as defined insectiori4.3.1.1. XI co as defined insection 4.3.1.1. X2

.. as defined in section4.3.1. 1.

4.3.1.2 Total welght¢per-cycle water consumption. Calculate the total weighted percycle water consumption. Qr. expressed ingallons percycle (l1tersper cycle) and defined as:

. . 

### QT == 

### [Qmax xFmax]+{QmiD xFmiD]
Where: F_

... asdef1ried in section4.1.1.3. F;'"

- as defined'inseCtion 4.1.1.3. 'Q..,.,.

.. asdefined in section 4.3.1.1. Q..w. -asdefined insection 4.3.1.1.

4.3.2**Water~heat1ng** clothes washers. 4.3.2.1

. Per-cycle temperature-weighted water consumptionformaximumand m1n1mum water

# nn levels. Calculate for the cycle under test theper-cycle temperature

. weighted,total water consumptionfor the maximum water ftlllevel. 

### <2-. and for the minimumWater ftll;level. 

### Q..w.; expressed in gallons percycle (Uters percycle) and defined as: 

### Qmax = 

### (0.05 X V bt•



### max)+(0.25 X V h

• max) +(055X

### V W

### ,11JIIX)+(0.15XVc,max)

and.


### QmiD 

# =(0.05

# x V

bt•



### miD)+(0.25 xVh,miD) +(0.55 x V W•

### miD) +(0.15 x V c • miD)
'Where: Vht,aiu

..as defined in section 3.2.2.2; Vb,mu

.. as defined insection 3.2.2.2. 

## V..,_

... asdefined insection 3.2.2.2.

.**V~** .. as defined in section 3;2.2.2. VJtt.mm" as defined insection 3.2.2.4. Vb,miD

..as defined insection 3.2.2.4. V

.. ,miD.

... asdefined insection 3.2.2.4. Vc,miD

... asdefined in section 3.2.2.4.

4.3.2.2 Total weightedper-cycle water consumption. Calculate the totalweighted percycle waterconsumption. QT. expressed ingallons percycle (liters percycle) and defined as: 

## Qr 

# =[Qmax X F

11JIIX]+ [QmiDx F miD]
Where: F_

- as defined insection**~.1.1.3.** FmiD'"

# as defined in section 4.1.1.3. Q..,.,.

.. as defined in section 4.3.2.1. Q..w.

- as defined insection 4.3.2.1:

4.3.3 Water consumptionfactor. I Calculate the waterconsumption factor. WCF. expressed incubic feet per gallon per cycle (liter per Utet percycle). as:

Where: 

# c WCF=- 

## Q

r

C

..as defined insection 3.1.1 or 3.1.2.

. QT" as defined in section4.3.1.2 for

. nonwater-heating clotheswashers. 4.4 Modlfled energyfactor. 4.4.1 Nonwater-heating clothes washers. Calculate the modified energy factor. 

### MEF. expreSsed incubic feet per kllowatt-hours percycle (Uters**~r** kllowatt-hours percycle).
as:

Where: C

... as defined insection 3.1.1 or 3.1.2. MB ;" as defined insection 4.1.1.4. ET

... as defined insection 4.1.1.3. Hv'" as defined in section4.2. 4.4.2 Water-heating clothes washers. Calculate the mod1ftecJ energy factor. MEF. expressed in cubic feet perkilowatt-hours per cycle (Uters perkilowatt-hours per cycle).

. as: '.

. 

### C**MEF=~-'-":",** 

## (Er+Hv)
Where: C

... asdefined in section 3.l.1or.3.1.2. ET" as defined in section 4.1.2.2. Hv ';' as defined insection 4.2.
5. Applicable Temperature Use Factorsfor Detenn1n1ngHot Water UsaseforVartous

.

.WashlRinse Temperature SelectionsforAn Automatic Clothe,s**W~ers**

S.l Five-temperature selection (n-:5).

Wash/rinse temperature setting

HotIWartn

.........**~**..................... Hot/Cold

................................ WarmNoIarm

.......................... ··Warm/Cold

............................ Cold/Cold

.............................. Teinperature use factor

.

(TUF)

0.18 .12 .30 .25 .15
.5.2 Four-temperature selection (n",,4).

Washlrinse tempendure setting

Alternate I:

..

HotlWann

........................... Hot/Cold

............................ Warm/Cold

..........:

............. Cold/Cold

...........................

. Altemate II: HotlWann

.......,.................. Hot/Cold

............................ WarmNoIarm

...................... Warm/Cold

........................ Altemate III:

Hot/Cold

.........**~**.................. WarmNoIann

...................... W8rrnJCold

......................... Cold/Cold

...........**~**.............. Temperature
use factor

(TUF)

0.18 .12 .55 .15

0.18

.12 .30 .40

0.12

.18 .55 .15
5.3. Three-temperature selection (n=3).

Wash/rinse temperature setting

.Alternate I: HotIWarm

.......................... Warm/Cold

........................ Cold/Cold

.......................... Altemate II:

Hot/Cold

...........................; Warm/Cold

........................ Cold/Cold

................:

....;

.. .. Alternate III:

Hot/Cold

............................. WarrnlWarm

...................... Cold/Cold

...;

...................... Temperature

. use factor (TUF)

0.30 .55 .15

0.30

.55 .15

0.30

.

;55 .15
6. Applicable Temperature Use Factorsfor· Determ1nJngHot Water Usasefor Various WashlRlnse Temperature SettingsforAn Semi-Automatic Clothes Washers

6.1

. Six-temperature settJnss (n.,6).

### ' ' " Federal Register / Vol. 60, No. 56 / Thursday, March 23, 1995 / Proposed Rules 15363

Wash/rinse temperature Tmpe use factor setting TUF)

HoHot

........ . ........... .15 Hot/Warm

.............................. .09 Hot/Cold

................................ .06 Warm/Warm

.......................... .42 Warm/Cold

........................... .13 Cold/Cold

.............................. .15 §430.62 [Amended]

7. Section 430.62 (a)(2) is amended by adding "energy factor (for clothes washers, clothes dryers, and dishwashers)" after "(for pool heaters)," and before "and annual fuel utilization efficiency". [FR Doc. 95-4048 Filed 3-22-95; 8:45 am] BILLNG CODE 645-0-P 

# ..



# .. Federal Register / 

### Vol. 60, 

### No. 56 / 

### Thursday, March 23, 1995 / 

### Proposed Rules

Wash/rinse temperature setting

Hot/Hot

.................................. Hot/Warm

.............................. Hot/Cold

....:

................,.......... WarmlWarm

.......................... Warm/Cold

............................ Cold/Cold

..............................
5430.62 [Amended] Temperature use factor

(TUF)

.15 .09 .06 

### .42 .13 .15

7. Section 430.62 (a)(2) is amended by adding "energyfactor (for clothes washers. clothes dryers, and dishwashers)" after "(for pool heaters)," and before "and annual fuel utilization effiCiency". [FRDoc". 95-4048 Filed 3-i2-95; 8:45 am)
BlUING CODE**1I4IiO-G~** 

## 15363