Rev.1 26 July, 2018

Energy Conservation Guideline

26 July 2018
The Energy Conservation Center, Japan

Rev.1 26 July, 2018

Rev.1 26 July, 2018

Table of Contents
Part-1 General Requirements applicable to All Business Operators

2

Standard Components

2

Target Components

4Part-2 Items related to Rational Use of Energy in Buildings

6

1. Air-conditioning Facilities and Ventilation Facilities

6

2. Items related to Boiler Facilities and Hot Water Facilities

10

3. Items related to Lighting Systems, Elevators and Motive Power Facilities

12

4. Items related to Power Receiving and Transforming Facilities and BEMS

14

5. Items related to Dedicated Power Generation Facilities and Cogeneration Facilities
15
6. Items related to Office Equipment and Consumer Equipment

16

7. Items related to Commercial Equipment

16

8. Items related to Other Rational Use of Energy

17Part-3 Items related to Rational Use of Energy in Factories

18

1. Rationalization of Fuel Combustion18

2. Rationalization of Heating, Cooling and Heat Transfer

202-1. Heating Equipment, etc.

202-2. Air Conditioning Facilities and Hot Water Supply Facilities

22

3. Waste Heat Recovery and Usage

26

4. Rationalization of Conversion of Heat to Motive Power

28

4-1. Dedicated Power Generation Facilities28

4-2. Cogeneration Facilities29

5. Prevention of Energy Loss due to Radiation and Resistance30

5-1. Prevention of Heat Loss due to Radiation, Conduction and etc.

30

5-2. Prevention of Electricity Loss due to Resistance and etc.

32

6. Rationalization of Conversion of Electricity to Motive Power, Heat and etc.

34

6-1. Motor Applied Facilities, Electric Heaters and etc.

34

6-2. Lighting Systems, Elevators, Office Equipment and Consumer Equipment

36

7. Factory Energy Management System (FEMS)

38

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Rev.1 26 July, 2018

Energy Conservation Guideline
The Energy Conservation Guideline (EC Guideline) is prepared based on “Standards of Judgment for business
operators on the rational use of energy at factories etc. from “Bulletin No.59 under of Ministry of Economy, Trade andIndustry, Japan on 30th March 2018”

Part-1 General Requirements
1-1 General Requirements those apply to all Business Operators
Persons or organizations who operate a business consuming energy (hereafter called“Business Operators”) at factories, offices, or other premises (hereafter called“Factories”) shall make the efforts described below in items (1) to (8) to appropriately
manage energy, with the aim of conserving total energy generated from fuels as wellas heat and electricity, by not only taking full account of the characteristics of fuels,
heat, and electricity but also overlooking Factories of the operators.
（1） Energy Policy
Business Operators shall set policies on efforts for energy conservation in all of
their Factories (Specified Business Operators shall include a mid- to long-termplan in the policy; hereafter called “Energy Policy”). The Energy Policy shall
include energy conservation targets and policies on operating facilities, installing
new ones or replacing existing ones with the aim of achieving the targets.
（2） Energy Management Organization
Business Operators shall develop a management organization for efficient andeffective overall energy conservation in all of their Factories.

Standard
Components（3） Responsibilities
Business Operators shall assign the following personnel in the Energy
Management Organization i.e. (a) Energy Management Representative, (b)Energy Management Planning Promoter who is a person assists Energy
Management Representative, (c) Energy Manager who is a person manages
actual energy managemnet activities at a workplace, and esure that each person
fulfills his or her responsibilities associated with energy conservation based oneach role defined below.
A. Responsibilities of Energy Management Representative(a) To keep track of the status of implementation processes of energy
conservation (maintenance, installation, modification and removal of
facilities that consume energy or relate to energy conservation as well as
improvement and monitoring of energy usage) in all Factories that theorganization has.
(b) To supervise processes for achieving targets concerning energy
conservation defined in the Energy Policy by, for example, giving
instructions about processes that should be implemented to persons who
manage business activities at a workplace according to the Energy Policy.
(c) To prepare a plan for a next-term Energy Policy based on the status ofcompliance with the Energy Policy as well as report from persons who
manage business activities at a workplace, and report the plan to the boardof directors or other equivalent organization responsible for making
decisions on execution of business.
(d) To develop human resources who contribute to energy conservation(including persons who manage business activities at a workplace).
B. Responsibilities of Energy Management Planning Promoter
To assist the manager by, for example, facilitating smooth communication
between the manager and persons who manage business activities at aworkplace.

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C. Responsibilities of Energy Manager(a) To keep track of the status of implementation processes of energy
conservation (maintenance of facilities that consume energy or relate toenergy conservation as well as improvement and monitoring of energy
usage) in each of the Factories that the organization has.
(b) To firmly implement processes associated with energy conservation basedon, for example, the Energy Policy and instructions from the manager.
(c) To report results of analysis concerning the status of energy conservation in
the Factories based on the energy management described in item A. above.
（4） Resource Management
Business Operators shall secure the funds and human resources necessary forenergy conservation.
（5） Communication and Education
Business Operators shall communicate the Energy Policy to employees of all of
their Factories, and provide training in the area of energy conservation in the
Factories.
（6） Monitoring and Evaluation
Business Operators shall study necessity of utilizing internal audit or othermeans to improve the objectivity, and monitor and evaluate compliance with theEnergy Policy in their Factories. The operators shall take improvement measures
if compliance is found to be insufficient as the result of the evaluation.
（7） Review of Energy Policy
Business Operators shall periodically review the evaluation methods for the
Energy Policy and compliance, and modify them as necessary.

Standard
Components（8） Document Control
Business Operators shall keep track of the current situation by creating,updating, and storing a document that describes (1) establishment of the Energy
Policy, (2) development of a management organization, (3) assignment of amanager, etc., (6) monitoring, etc. of compliance with the Energy Policy, and (7)results of review, etc. of the Energy Policy.
1-2 Fundamental Requirements applicable to factories and/or facilities
Business Operators shall thoroughly implement detailed energy management
measures for every factory and facility (or every group of facilities or every process if it
is not appropriate to apply separate measures to individual facilities; the same applies
hereinafter) described below in items (1) to (6) as far as those measures aretechnologically and economically applicable. Further, the operators shall appropriately
and effectively conserve energy at the Factories through complying with the various
standards, as described in the Part 2 or 3, concerning major facilities used in different
processes associated with use of energy.
(1) To conserve energy by improving productivity through improvement in operating
efficiency of facilities, rationalization of production processes, etc.
(2) To provide and maintain gauges and other devices relating to energy
management.
(3) To keep track of and analyze conditions of the facilities that consume a large
amount of energy such as genertion of waste heat to identify issues while
prioritizing the conditions.
(4) To keep track of and analyze conditions of existing facilities including their energy
efficiency and level of deterioration, and prioritize neccesities of updating,modification, and other actions from the perspective of energy conservation.
(5) To give priority to equipment with a high energy efficiency when selecting andintroducing a facility that consumes energy, and optimize the margin of its
capability and capacity.
(6) To minimize energy usage such as on holidays and in periods when facilities are
not operated by taking energy losses caused by starting and stopping of operationand other related factors into consideration.

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A. Business operators shall manage their energy consumption intensity. With the aimof reducing, in medium- to long-term, at least one percent (on an annual averagebasis) of the energy consumption intensity of their factories as a whole or each of
the factories, the operators shall make efforts to achieve various targets and actions
for energy saving in the factories, as far as technologically and economicallyapplicable.
B. Those who use energy over a predetermined amount, which is equivalent to theamount generated from 1,500 kiloliters of crude oil, during an energy year (starting
April 1 and ending March 31 of the following year) for the businesses listed in the
Table (8) shall make efforts to achieve improvements or reductions toward thebenchmark indexes in the table. In the course of the efforts, they shall aim toachieve the indexes in medium- to long-term, as far as technologically andeconomically applicable, while keeping track of the situation of their factories.
C. Business operators must systematically work on the efforts from a medium- tolong-term perspective, so that these actions can be taken most effectively in the
future. Use of ISO 50001, which is a standard for energy management systems,
shall also be considered.
D. Business operators being a lessor and lessee shall cooperate to promote energy
conservation activities and make efforts to establish mechanisms to reflect theresults of the activities to the method of sharing costs associated with use of energy
and energy conservation, so that appropriate and effective energy conservation canbe encouraged.
E. Business operators shall study efforts to contribute to promotion of energy
conservation by others, through provision of technologies, advices, and coalition ofbusiness, in order to eventually promote energy conservation by the entire nation.

TargetComponents

F. Efficient use of thermal energy:
Data on total energy usage in terms of available energy (exergy) shall be
developed and maintained to achieve efficient heat utilization. Improvements inthermal consistency in heat utilization shall also be studied.
G. Utilization of surplus steam:(a) If high-temperature combustion gas or steam that is useful can be obtained at thefactories, business operators shall study ways to utilize it, for example, in power
generation and as driving power in operation, taking item (1) into consideration.
Improvements in efficiency in converting heat to power through combined-cycle
power generation and improved steam conditions shall also be studied.
(b) If surplus heat and steam that are useful can be obtained at the factories, thebusiness operators shall study ways to utilize them in other factories or consumer
sector, taking item (1) into consideration.
H. Utilization of unused energy:(a) Fuels and energy generated while burning or processing combustible waste shallbe recovered as much as possible so that they can be utilize for other purposes.
(b) If energy can be obtained, by thermal energy conversion, from industrial
wastewater, sewage, river water, and seawater at the factories or around them, thebusiness operators shall study possible use of the energy in a thermally efficientfacility using, for example, a heat pump.
(c) If waste heat is generated in factories of other business operators around thefactories and it is usable, the business operators shall study possible use of theenergy as much as possible.
I. Use of a provider of services related to energy conservation:
Before taking actions necessary to promote total energy conservation, the business
operators shall study to take advantage of some services including diagnosis andadvice on energy efficiency improvements, and a method of guarantee concerning
efficient use of energy. Such services are available from Energy Service
Companies (ESCOs), which are providers of comprehensive services concerningenergy conservation.

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J. Regional energy sharing:
If it is possible to promote total energy conservation by sharing energy between
neighboring city blocks, regions, or buildings having a variety of energy demands,
areal utilization of energy shall be studied.
TargetComponents

K. Use of tools and approaches for energy conservation:
Before taking actions for energy conservation of commercial buildings, use of some
useful tools shall be considered. They include the tool that estimates energy
consumption by a building before and after implementing energy conservation
measures for comparison and evaluates the reduction effect gained, and a tool thatputs together operation process data of air conditioning facilities and createsgraphical representation to allow easier analysis.

5Rev.1 26 July, 2018

Part -2 Items related to Rational Use of Energy in Buildings
1. Air-conditioning Facilities and Ventilation Facilities
A. Air conditioning shall be managed by limiting zones of air conditioning,
reducing a load using window shades, and according to the instructions
concerning facilities depending on how air conditioning is used in thezones, which shall be described in the EM Manual. The instructions
include thoese for operational time, room temperature, air changes perhour, humidity, and effective use of outdoor air. Note that air
cooling/heating temperatures in the EM Manual shall be determinedconsidering the preset temperatures recommended by the government.
B. Heat source facilities for combustion (e.g. absorption chiller or chilled/hot
water generator) for air conditioning facilities shall be controlledaccording to the instructions concerning air ratios, which shall be
described in the EM Manual.
C. Heat source facilities, facilities that transport heat from a heat source
facility to an air conditioner facility with chilled water (hereafter, “heattransport facilities”), and air conditioner facilities, which are included in
air conditioning facilities, shall be controlled in a way that improves totalenergy efficiency of air conditioning facilities, which shall be described in
the EM Manual. The improvement shall be achieved by presetting
cooling water temperatures, chilled/hot water temperatures andpressures based on seasonal variations in outdoor air conditions.

Standard
Components(1) Management& Control

D. If a heat source facility in air conditioning facilities includes more than
one unit of heat source equipment of the same model or more than one
unit of heat source equipment using different types of energy, the facility
shall be managed in a way that improves total energy efficiency of theheat source facility, which shall be described in the EM Manual. The
improvement shall be achieved by adjusting the numbers of units inoperation or selecting equipment to be operated depending on seasonalvariations in outdoor air conditions and load fluctuations.
E. If a heat transport facility includes more than one pump, the facility shallbe managed in a way that improves total energy efficiency of the heattransport facility, which shall be described in the EM Manual. The
improvement shall be achieved by adjusting the numbers of units inoperation or selecting equipment to be operated depending on seasonalvariations.
F. If an air conditioner facility includes more than one air conditioner of thesame model in one zone or more than one air conditioner of different
types, the facility shall be managed in a way that improves total energy
efficiency of the air conditioner facility, which shall be described in the
EM Manual. The improvement shall be achieved by preventing mixing
loss, and adjusting the numbers of units in operation or selecting
equipment to be operated based on the load status.
G. Ventilating facilities shall be managed by limiting zones to be ventilated
and according to the instructions concerning ventilation volume,
operational time and temperature, which shall be described in the EM
Manual. The instructions shall be determined based on the purpose andplace of the ventilation.

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A. For each of the zones of air conditioning, factors necessary to keep trackof air conditions (e.g. temperature and humidity levels) and improve air
conditioning efficiency shall be periodically measured and the results
shall be recorded according to the instructions concerning
measurements and records of such factors, which shall be described in
the EM Manual.
(2) Measurement& Recording

B. For heat source facilities, heat transport facilities, and air conditioner
facilities included in air conditioning facilities, factors necessary to
improve efficiency of each unit and total efficiency of the HVAC Systemshall be periodically measured and the results shall be recorded
according to the instructions concerning measurements and records ofsuch factors, which shall be described in the EM Manual.
C. For each of the zones to be ventilated, factors necessary to keep track of
air conditions (e.g. temperature and carbon dioxide levels) and improveventilation efficiency shall be periodically measured and the results shallbe recorded according to the instructions concerning measurements andrecords of such factors, which shall be described in the EM Manual.
A. Heat source facilities, heat transport facilities, and air conditioner
facilities included in air conditioning facilities shall be periodicallymaintained and inspected to be kept in good condition according to the
instructions concerning maintenance and inspection necessary to
improve efficiency of the air conditioner facilities, which shall be
described in the EM Manual. The improvement shall cover both each
unit and total efficiency of the HVAC System and shall be achieved by,for example, maintaining thermal insulation materials, cleaning clogged
filters, and removing scale formed on a surface of the condenser or heatexchanger.

Standard
Components(3) Maintenance& Inspection

B. Automatic control devices of air conditioning and ventilating facilities
shall be periodically maintained and inspected to be kept in goodcondition according to the instructions concerning maintenance andinspection necessary to manage the devices, which shall be describedin the EM Manual.
C. Fans and ducts included in ventilating facilities shall be periodicallymaintained and inspected to be kept in good condition according to the
instructions concerning maintenance and inspection necessary to
improve efficiency of the ventilating facilities, which shall be described in
the EM Manual. The improvement shall cover both efficiency of each
unit and total efficiency of the facilities and shall be achieved by, forexample, cleaning clogged filters.

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A. When installing a new air conditioning facility, ventirating facility, etc., aproper type & capacity of facility shall be selected in accordance withloads and ventilation requirement.
B. When installing a new air conditioning facility, actions including thefollowing shall be taken to improve efficient use of energy. The actions
shall be determined based on the information concerning air
conditioning.
(a) If at all possible, individual control shall be available for each zone of air
conditioning.
(b) To introduce a heat source facility with highly energy efficiency thatutilizes, for example, a heat pump.
(c) To select a heat transport facility of less energy loss with considering
shortening of piping/ducts, thermal insulation, etc.
(d) To introduce a system capable of high efficiency operation in heatsource and heat transport facilities included in air conditioning facilities
that are expected to have load fluctuations. The high efficiency operation
includes appropriately splitting and controlling the number of units to be
operated, controlling the rotation speed, use of equipment with highefficiency during partial load operation, and use of a heat storage
system. In addition, use of heat transport facilities with variable pumphead control shall be considered.

Standard
Components(4) Necessary
Measures when
Installing New
Facilities(e) To introduce variable air-volume and flow-rate systems with a rotation
speed control device so that the air conditioner facility can be controlled
in response to a current load when the facility is used under thecondition with large load fluctuations.
(f) To consider introducing a total heat exchanger for reduction of an air
cooling/heating load required to supply outdoor air in summer andwinter. Further, when air cooling is needed in winter or during
intermediate seasons, controlling room temperatures by outdoor air
cooling shall be considered. If indoor air needs to be humidified during
the control, use of water humidification shall be considered so that the
air cooling load can be reduced.
(g) To reduce pump head using a heat exchanger if a heat transport facility
that receives heat from a heat storage system and district heating andcooling system has a large head.
(h) To determine where and how to install an outdoor unit of an air
conditioner based on solar radiation and ventilation condition of theinstallation location, and ventilation condition in case the units are
installed closely together.
(i) To ensure that the air conditioning facility allows proper control of air
conditioning and analysis of its operation. This shall be achieved by, forexample, installing equipment and sensors required to measure factors
necessary to keep track of air conditions (e.g. temperature and humidity
levels) for each zone of air conditioning and to improve air conditioning
efficiency, and by introducing a building energy management system(hereafter, “BEMS “).
C. When installing new equipment for air conditioning or ventilating facilities
that is regarded as energy consumption equipment (as specified in
Article 78, item 1 of the Act on the Rational Use of Energy; hereafter,“Specified Energy Consuming Equipment”), a proper type of theequipment shall be selected with due consideration to the applicable
performance regulation with regard to the equipment in question.

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D. When installing a new ventilating facility, the following actions to improve
efficient use of energy shall be taken.
(a) To adopt proper control system for load flactuations.
(b) To select a facility of less energy loss with considering shortening of
piping/ducts, thermal insulation etc.
For air conditioning facilities, ways to efficiently use energy for air
conditioning facilities shall be studied, including the following actions.
A. To use, for air conditioning facilities, systems using heat source
equipment with high energy efficiency such as a heat pump and storage
system and gas cooling/heating system. If both air cooling and heatingloads are present at the same time in factories, use of heat recovery
system shall be considered. Further, if exhaust heat can be effectively
used, use of a heat recovery heat pump and exhaust-heat-driven heatsource equipment shall also be considered.

TargetComponents

B. To improve thermal insulation for walls and roof in the areas to be
air-conditioned, such as by increasing the thickness of the walls androof, using materials with low thermal conductivity, applying double-layer
thermal insulation. Other measures shall also be exploered to shieldsolar radiation through windows using, for example, window shades,
heat reflecting glasses, heat shield window films, and thermal bufferzone with double insulation structure.
C. To introduce air volume control for outdoor air supply for air conditioning
facilities, using a carbon dioxide sensor or the like, in order to reduce aload required for outdoor air processing. Further, for air cooling duringseasons except for summer, reduction of energy consumed by heatsource facilities through, for example, air cooling utilizing water cooled
by a cooling tower shall be considered.
D. To introduce a large temperature difference system that can reduce air
flow volume and circulation water volume for air conditioning facilities.
E. To improve thermal insulation of pipes and ducts by, for example, using
thermal insulation material with low thermal conductivity.
F. To reduce power to drive ventilating facilities for indoor parking areas,machine rooms and electric rooms using air volume control with various
sensors.

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2. Items related to Boiler Facilities and Hot Water Suplly Facilities
A. Boiler facilities shall be managed according to the instructions
concerning air ratios based on boiler capacities and fuel types, whichshall be described in the EM Manual.
B. The EM Manual shall be established so that the air ratio is reduced
below the reference air ratio specified in Table (1) as standard value.
C. Boiler facilities shall be managed according to the instructions
concerning steam pressure, temperature, and operational time, whichshall be described in the EM Manual. The facilities shall be properly
operated, eliminating excessive steam and fuel supplies.
D. Quality of boiler feed-water shall be controlled according to the
instructions concerning water quality, which shall be described in the EM
Manual. Note that the feed water quality shall be controlled according toJapanese Industrial Standards (JIS) B8223 (Water conditioning for boiler
feed water and boiler water) or an equivalent standard.
(1) Management& Control

E. When more than one boiler facility is used, the facilities shall be
managed in a way that improves total energy efficiency, which shall be
described in the EM Manual. Based on the manual, the proper numberof units shall be operated.
F. Hot water supply facilities shall be managed by limit supply points
depending on seasons and work and according to the instructions,which shall be described in the EM Manual. The instructions areconcerned with factors necessary to improve the efficiency of hot watersupply (e.g. a supply period, hot water supply temperature, and hot
water supply pressure).

Standard
Components

G. Heat source facilities included in hot water supply facilities shall be
managed in a way that improves total energy efficiency including
auxiliary equipment (e.g. heat source equipment and pump) in response
to load fluctuations, which shall be described in the EM Manual.
H. If a heat source facility for hot water supply facilities includes more than
one unit of heat source equipment, the facility shall be managed in a waythat improves total energy efficiency of the heat source facility, whichshall be described in the EM Manual. The improvement shall be madeby adjusting the numbers of units in operation based on the load status.

(2) Measurement& Recording

A. For boiler facilities, factors necessary to improve the boiler efficiency
shall be periodically measured and the results shall be recorded
according to the instructions concerning measurements and records ofsuch factors (e.g. amount of fuel supply, steam pressure, hot watertemperature, residual oxygen content in exhaust gas, waste gas
temperature, and boiler feed water volume), which shall be described in
the EM Manual.
B. For hot water supply facilities, factors necessary to improve theefficiency of hot water supply shall be periodically measured and theresults shall be recorded according to the instructions concerning
measurements and records of such factors (e.g. feed water volume andhot water supply temperature), which shall be described in the EM
Manual.

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A. Boiler facilities shall be periodically maintained and inspected to be kept
in good condition according to the instructions concerning maintenanceand inspection of the factors necessary to improve the efficiency, whichshall be described in the EM Manual.

(3) Maintenance& Inspection

B. Boiler facilities shall be periodically maintained and inspected to be kept
in good condition in a way that keeps temperatures of the facilities,
maintains thermal insulation, and prevents steam leak and clogging ofsteam traps, which shall be described in the EM Manual concerning
maintenance and inspection.
C. Hot water supply facilities shall be periodically maintained and inspected
to be kept in good condition according to the instructions concerning
maintenance and inspection, which shall be described in the EM
Manual. The instructions include those necessary to improve theefficiency of hot water supply (e.g. removing scales formed on a surfaceof the heat exchanger) and to control automatic control devices.
A. When installing a new boiler facility or hot water supply facility, a proper
type & capacity of facility shall be selected in accordance with loads.
B. When the temperature of waste gas from boiler facilities exceeds thetemperature listed in Table (2) as standard value, actions to utilize thewaste heat shall be taken. When waste heat from steam drain can beeffectively used, actions to recover and use the heat shall be taken.
C. When installing a new boiler facility, the following actions to improve
efficient use of energy shall be taken.

Standard
Components(a)To select high efficiency boiler facility equipped with economizer or thelike(b) To select a facility of less energy loss with considering shortening of
piping/ducts, thermal insulation etc.

(4) Necessary
Measures when
Installing New
Facilities

D. If load fluctuations are expected with boiler facilities, a system capable ofhigh efficiency operation shall be introduced. The high efficiency
operation shall be achieved by, for example, properly splitting andcontrolling the number of units to be operated.
E. When installing a new hot water supply facility, actions including thefollowing shall be taken to improve efficient use of energy.
(a) To select a facility that is capable of operation in response to loadchanges on hot water supply.
(b) To introduce a local hot water supply system for sections where demandfor hot water is low.
(c) To examine possible introduction of a heat pump system and/or a latent
heat recovery system for heat source facilities.
(d) To select a facility of less energy loss with considering shortening of
piping/ducts, thermal insulation, etc.
F. When installing new equipment for hot water supply or boiler facilities
that is regarded as the Specified Energy Consuming Equipment, aproper type of the equipment shall be selected with due consideration to
the applicable performance regulation with regard to the equipment inquestion.

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A. For boilers, efforts shall be made to reduce their air ratio toward thereference air ratio listed in Table (1) as target value.
B. For waste heat recovery from exhaust gas of boilers, efforts shall bemade to reduce the waste gas temperature and enhance the waste heatrecovery rate targeting the values of the waste gas temperature andheat recovery rate listed in Table (2) as target value.

TargetComponents

C. For hot water supply facilities, ways to efficiently use energy for the hotwater supply facilities shall be studied including introduction of hot watersupply facilities with higher energy efficiency (such as by combining aheat pump system or a latent heat recovery system for heat source
facilities).

3. Items related to Lighting Systems, Elevators and Motive Power Facilities(1) Management& Control(2) Measurement& Recording

A. Lighting systems shall be managed according to the instructions basedon JIS Z9110 (General rules of recommended lighting levels), JIS Z9125(Lighting of indoor work places), or their equivalent standards, whichshall be described in the EM Manual. Dimming or turning-off the lightshall be managed in a way that eliminates excessive or unnecessary
lighting, which shall be described in the EM Manual.
B. Elevators shall be operated efficiently according to the instructions
concerning efficient elevator operation, which shall be described in the
EM Manual. The efficient operation includes limiting the floors to stop in
certain time slots or in certain days of the week and limiting the numberof elevators in operation (if there is more than one).
A. Illuminance of lighting systems shall be periodically measured and theresults shall be recorded according to the instructions concerning
measurements and records of illuminance in workplaces to be lit, whichshall be described in the EM Manual.
A. Lighting systems shall be periodically maintained and inspectedaccording to the instructions concerning maintenance and inspection,
which shall be described in the EM Manual. The instructions include
cleaning and replacement of lighting fixtures and lamps.

Standard
Components(3) Maintenance& Inspection

B. Elevators shall be periodically maintained and inspected in a way that
reduces mechanical losses of their electric motors, power transmission
units and machines that apply loads to the motors, which shall be
described in the EM Manual concerning maintenance and inspection.
C. Motive Power facilities of plumbing facilities and mechanical parking
facilities shall be periodically maintained and inspected in a way that
reduces mechanical losses of their electric motors, power transmission
units and machines that apply loads to the motors, which shall be
described in the EM Manual concerning maintenance and inspection. If
a fluid machine (e.g. a pump or fan) is used as the machine that apply aload, the machine shall be periodically maintained and inspected in a
way that prevents leaks of the fluid and reduces resistance of pipes andducts, which shall be described in the EM Manual concerning
maintenance and inspection.

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A. When installing a new lighting facility, elevator, etc., a proper type of theequipment shall be selected in accordance with necessary illuminanceor a required transportation capacity.
B. When installing a new lighting system, actions including the following
shall be taken to improve efficient use of energy.
(a) To consider introducing energy-conserving lighting facilities such as
inverter fluorescent lamps.
(b) To consider introducing energy-conserving lighting facilities such as
lighting fixtures with high efficiency lamps (e.g. HID lamps).
(c) To select lighting fixtures that can be easily maintained, allowing easycleaning and light source replacement. Ease of maintenance shall also
be taken into consideration for the place and method of installation.
(d) To select lighting fixtures, considering factors for total lighting efficiency.
The factors include illuminance efficiency of the light sources, efficiencyof lighting circuits and lighting fixtures, and light radiation efficiency.

Standard
Components(4) Necessary
Measures when
Installing New
Facilities(e) To consider separating lighting system circuits for places with naturallighting from others.
(f) To consider measures to prevent unnecessary lighting in some places
and time slots by turning the lights off or dimming. The measures include
installing a motion sensor, use of timers, and interlocking with security
systems.
C. When installing new equipment for lighting systems that is regarded as
the Specified Energy Consuming Equipment, a proper type of theequipment shall be selected with due consideration to the applicable
performance regulation with regard to the equipment in question.
D. When installing a new elevator, such actions to improve efficient use ofenergy shall be taken like adopting higher energy efficiency control
system and/or driving system.
E. When installing a new AC motor that is regarded as the Specified Energy
Consuming Equipment or a new motive power facility equipped withsuch an AC motor, a proper type of the equipment shall be selected withdue consideration to the applicable performance regulation (see table(7)for Top-Runner Standards*see footnote) with regard to the equipment inquestion. When installing a new AC motor that is not regarded as theSpecified Energy Consuming Equipment (limited to a three-phasesquirrel-cage induction motor) or a new motive power facility equippedwith such an AC motor, a proper type of the equipment shall be selectedwith due consideration to the JIS C4212 (Low-voltage three-phasesquirrel-cage high-efficiency induction motors)*see footnote.

TargetComponents

A. For lighting systems, when natural lighting can be used, selecting
lighting fixtures with a dimming function and introduction of automatic
control devices for lighting shall be considered. Introduction of lighting
systems that is capable of properly offsetting high illuminance of a newlight source (e.g. at the initial installation of the lighting system,
immediately after the replacement of a light source) for power saving
shall also be considered.
B. Introducing light-emitting diode (LED) lighting fixtures shall beconsidered.
C. For elevator and escalator facilities, efficient operation based on theirusage shall be studied. The efficient operation includes use of a motion
sensor to stop the facilities while no passenger is around.

*Top-Runner Standard for high efficiency motors specifies motors in accordance with IE3, while JIS C4212
specifies motors in accordance with IE2.

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Rev.1 26 July, 2018

4. Items related to Power Receiving and Transforming Facilities and BEMS

(1) Management& Control

A. Transformers and uninterruptible power systems shall be managed in a
way that increases efficiency of the transformers and uninterruptible
power systems as a whole, which shall be described in the EM Manual.
In the management, efficiency during partial load operation shall betaken into consideration. Adjustment of the numbers of units in operationand proper load allocation shall be implemented.
B. The power factor at the receiving end shall be controlled in a way thatallows the factor to be basically 95% or higher, which shall be describedin the EM Manual. The control shall be achieved by controlling, forexample, phase advance capacitors.

(2) Measurement& Recording

B. Factors necessary to reduce electric consumption losses shall be
periodically measured and the results shall be recorded according to the
instructions concerning measurements and records of such factors (e.g.
electric consumption in offices and other premises, and voltages andcurrents in power receiving and transforming facilities), which shall be
described in the EM Manual.

(3) Maintenance& Inspection

C. Power receiving and transforming facilities shall be periodicallymaintained and inspected in a way that keeps them in good condition,
which shall be described in the EM Manual concerning maintenanceand inspection.

Standard
Components

A. When installing a new power receiving and transforming facility,
equipment with less energy losses shall be introduced. The actual
record and future trends of power demand shall be fully examined todetermine the layout, distribution voltage, and capacity of the facilities.
(4) Necessary
Measures when
Installing New
Facilities

B. When installing new equipment for power receiving and transforming
facilities that is regarded as the Specified Energy Consuming
Equipment, a proper type of the equipment shall be selected with due
consideration to the applicable performance regulation with regard to theequipment in question.
C. Introducing BEMS shall be considered for total management andevaluation of the facilities that use electric power and air conditioning
facilities.
A. BEMS shall assume a main role in managing energy. The management
activities shall be planned for each system so that they are madeperiodically (e.g. yearly, for each season, monthly, weekly, daily, andhourly), and the results are clearly compared with past records using
data and graphs to keep track of the current energy consumption trends.

TargetComponents

B. Use of integrated energy conservation control shall be considered for air
conditioning and electrical facilities.
C. Maintenance condition, operational time, and operating characteristics
of facilities and equipment shall be compared and reviewed to figure out
their current degradation and timing of maintenance needed.
D. Improving the power factor, at the receiving end, of the facilities listed inTable (6) (except for those with a capacity smaller than the values in thetable) or power transforming facilities shall be studied. The improvement
shall basically target 98% or higher and shall be achieved by, forexample, installing phase advance capacitors.

14

Rev.1 26 July, 2018

5. Items related to Dedicated Power Generation Facilites and Cogeneration Facilities(1) Management& ControlStandard
Components

A. Operation of facilities that are used solely for the purpose of power
generation, such as gas turbines, steam turbines, and gas engines(hereafter, “dedicated power generation facilities”), shall be managed ina way that maintains efficient operation of the facilities, which shall be
described in the EM Manual. Further, when multiple dedicated power
generation facilities are operated in parallel, they shall be managed in a
way that allows the load to be properly distributed to the facilities in
response to increase/decrease of the load, which shall be described in
the EM Manual, in order to improve total efficiency. Characteristics ofdifferent facilities shall be taken into consideration when determining
how the load should be distributed.
B. Operation of equipment used in cogeneration facilities (e.g. gas turbines,
gas engines, and diesel engines) shall be managed in a way that allows
generated heat and electric power to be fully utilized in response toincrease/decrease of the load, which shall be described in the EM
Manual, in order to improve total efficiency. Further, when multiple
cogeneration facilities are operated in parallel, they shall be managed ina way that allows the load to be properly distributed to the facilities in
response to increase/decrease of the load, which shall be described in
the EM Manual, in order to improve total efficiency. Characteristics ofdifferent facilities shall be taken into consideration when determining
how the load should be distributed.

(2) Measurement& Recording

A. For dedicated power generation facilities and cogeneration facilities,
factors necessary to improve total efficiency of the facilities (including
auxiliary equipment) shall be periodically measured and the results shallbe recorded according to the instructions concerning measurements andrecords of such factors, which shall be described in the EM Manual.

(3) Maintenance& Inspection

A. If dedicated power generation facilities and cogeneration facilities areused, they shall be periodically maintained and inspected in a way thatmaintains a high level of total efficiency of the facilities (including
auxiliary equipment), which shall be described in the EM Manual
concerning maintenance and inspection.
A. When installing a new dedicated power generation facility, the actual
record and future trends of power demand shall be fully examined to
select a type of the facility with an optimal capacity.

(4) Necessary
Measures when
Installing New
Facilities

TargetComponents

B. When installing a new dedicated power generation facility, generation
efficiency of the facility at the receiving end shall not be significantly
lower than the average level of domestic dedicated thermal power
generation facilities throughout a year.
C. When installing a new cogeneration facility, the actual record and future
trends of heat and power demands shall be fully examined. It shall be
confirmed that exhaust heat and electricity are fully available on a fullyear basis to select a type of the cogeneration facility with an optimal
capacity.
N/A

15

Rev.1 26 July, 2018

6. Items related to Office Equipment and Consumer Equipment

Standard
Components(1) Management& Control

A. Office equipment shall be managed in a way that prevents unnecessary
operation, which shall be described in the EM Manual.

(2) Measurement& Recording

N/A(3) Maintenance& Inspection

A. Office equipment shall be periodically maintained and inspected, as
required.

(4) Necessary
Measures when
Installing New
Facilities

A. When installing new office equipment or consumer equipment that isregarded as the Specified Energy Consuming Equipment, a proper
type of the equipment shall be selected with due consideration to theapplicable performance regulation with regard to the equipment inquestion.

TargetComponents

N/A

7. Items related to Commercial Equipment

Standard
Components(1) Management& Control

A. Commercial equipment shall be managed according to the instructions
concerning factors necessary for the management (e.g. seasons, daysof the week, time slots, and load), which shall be described in the EM
Manual. Examples of the commercial equipment are kitchen equipment,commercial refrigerators, commercial chillers, showcases, medical
equipment, broadcast equipment, communication equipment,
computers, experimental apparatus, and amusement machines.

(2) Measurement& Recording

A. Factors necessary to keep track of and improve operation status ofcommercial equipment shall be periodically measured and the results
shall be recorded according to the instructions concerning
measurements and records of such factors, which shall be described in
the EM Manual.

(3) Maintenance& Inspection

A. Commercial equipment shall be periodically maintained and inspected to
be kept in good condition according to the instructions concerning
maintenance and inspection, which shall be described in the EM
Manual.
A. When installing new commercial equipment, a type of the equipmentwith high energy efficiency shall be selected.

(4) Necessary
Measures when
Installing New
Facilities

B. When installing new commercial equipment that generates heat,increase in air conditioning load shall be prevented (by, for example,
limiting zones of air conditioning or limiting outdoor air volumes). In
addition, heat shall be discharged directly outside of the zones of air
conditioning (by, for example, use of a duct or refluxing heat media) toprevent the increase in the air conditioning load.
C. When installing new commercial equipment that is regarded as theSpecified Energy Consuming Equipment, a proper type of theequipment shall be selected with due consideration to the applicable
performance regulation with regard to the equipment in question.

TargetComponents

A. If vending machines of canned or bottled beverage are installed,
measures for efficient operation based on their usage shall beconsidered. The measures include suspending the machines during
night and on weekends using a timer and turning off light in themachines when unnecessary.

16

Rev.1 26 July, 2018

8. Items related to Other Rational Use of EnergyStandard
Components- A business operator that leases a room in its premises to other operator(hereafter, “lessor”) and a business operator that leases the room fromthe lessor (hereafter, “lessee”) shall cooperate to promote energy
conservation activities. The lessor shall keep track of the energy
consumptions by the lessee and provide the lessee with theconsumption information so that the lessee would know its energy
conservation performance. The information shall be measured values if
the lessor owns a measuring instrument. If not, estimated figures basedon a reasonable calculation method shall be provided.

TargetComponents

N/A

17

Rev.1 26 July, 2018

Part - 3 Items Related to Rational Use of Energy in Factories
1. Rationalization of Fuel Combustion
A. Fuel combustion process shall be managed according to the instructions
concerning air ratios, which shall be described in the EM Manual. The
ratio shall be determined based on facilities that burn fuel (hereafter,“combustion facilities”) and fuel types.
B. The EM Manual shall be established so that the air ratio is reduced
below the reference air ratio specified in Table (1) as standard value.
(1) Management& Control

C. If more than one combustion facilities are used, combustion load foreach facility shall be adjusted in a way that achieves a high level ofthermal efficiency of the combustion facilities as a whole, which shall be
described in the EM Manual. The thermal efficiency herein means aratio of heat quantity that has been used to increase the value added tothe burned objects to the input heat quantity.
D. When fuel is burned, combustion facilities shall be properly operated in a
way that achieves a high level of combustion efficiency under specificoperating conditions, which shall be described in the EM Manual. The
conditions shall be determined based on fuel particle size, moisture
content, viscosity and other properties.

Standard
Components(2) Measurement& Recording

A. For every combustion facility, factors necessary to keep track of andimprove fuel combustion state shall be periodically measured and theresults shall be recorded according to the instructions concerning
measurements and records of such factors, which shall be described in
the EM Manual. The factors include an amount of fuel supply,
temperature of exhaust gas generated during combustion, and residual
oxygen content in exhaust gas.

(3) Maintenance& Inspection

A. Combustion facilities shall be periodically maintained and inspected to
be kept in good condition according to the instructions concerning
maintenance and inspection, which shall be described in the EM
Manual.
A. When installing a new combustion facility, a proper type & capacity offacility shall be selected in accordance with loads.

(4) Necessary
Measures when
Installing New
Facilities

B. When installing a new combustion facility, proper combustion equipment(e.g. burner) shall be selected based on the combustion facility and thetype of fuel to be used. In addition, the equipment shall be capable ofadjusting the amount of fuel supply and air ratio according to load
fluctuations and changes in combustion state.
C. When installing a new combustion facility, a draft control system that is
capable of adjusting air flow rate and combustion chamber pressure
shall be selected.

18

Rev.1 26 July, 2018

A. For combustion facilities, efforts shall be made to reduce their air ratio
toward the reference air ratio listed in Table (1) as target value.
B. Installing combustion control devices shall be considered to allow controlof the air ratio as described in the EM Manual.

TargetComponents

C. Selecting and introducing proper combustion equipment (e.g. burners)
shall be considered, based on the combustion facility and the type of fuelto be used. In addition, the equipment shall be capable of adjusting theamount of fuel supply and air ratio according to load fluctuations andchanges in combustion state. Further, when installing a new burner or
replacing an existing one, introducing a type of burner with a heatexchanger function (e.g. regenerative burners) shall be considered (ifimprovement of thermal efficiency is expected).
D. Introducing a draft control system that is capable of adjusting the air flowrate and combustion chamber pressure shall be considered.
E. For each combustion facility, introducing proper combustion
management using computers or similar means shall be considered.
The management shall be achieved by installing measurement devices
to measure the factors necessary to keep track of and improve the
combustion state. The factors include an amount of fuel supply,
temperature of exhaust gas generated during combustion, and residual
oxygen content in exhaust gas.

19

Rev.1 26 July, 2018

2. Rationalization of Heating, Cooling and Heat Transfer(2-1) Heating Equipment, etc.
A. Facilities that use steam or other heat media (e.g. heating facilities,
cooling facilities, dryers, and heat exchangers) shall be managed
according to the instructions, which shall be described in the EM
Manual. The instructions are concerned with temperatures, pressures,and volumes of heat media required for heating, cooling, or heartransfer (hereafter, “heating, etc.”) and those of heat media supplied.
Accordingly, excessive supply of heat quantity by the heat media shallbe prevented.
B. Industrial furnaces for heating and heat treatment shall be managed to
improve heat patterns in a way that improves thermal efficiency of theequipment, which shall be described in the EM Manual. The heatpatterns herein mean the temperature changes of heated objects overtime. The structure of the equipment, characteristics of heated objects,
and pre- and post-process of the heating or heat treatment shall betaken into consideration for the improvement of the efficiency.
C. Facilities for heating, etc. shall be managed to prevent overloading andunderloading according to the instructions concerning volumes ofheated or cooled objects and their arrangement in a furnace, whichshall be described in the EM Manual.

(1) Management& Control

D. If more than one facility for heating, etc. is operated, load for eachfacility shall be adjusted in a way that achieves a high level of thermal
efficiency of the facilities as a whole, which shall be described in the EM
Manual.
E. Processes that involve repeated heating shall be managed in a waythat shortens waiting time between processes, which shall be describedin the EM Manual.
F. Facilities for heating, etc. that are capable of intermittent operation shallbe managed in a way that streamlines the operation, which shall be
described in the EM Manual.

Standard
Components

G. Boiler feed-water shall be supplied in a way that prevents scale
formation on a surface of a heat transfer pipe and sludge accumulation,
which shall be described in the EM Manual concerning water quality.
The feed water quality shall be controlled according to JIS B8223(Water conditioning for boiler feed water and boiler water) or anequivalent standard.
H. While facilities for heating, etc. that use steam are not in use, theirsteam supply valves shall be closed.
I. Dryness of the steam in facilities for heating, etc. shall be kept at an
appropriate level.
J. Other factors related to heating, etc. (e.g. temperature of heated orcooled objects, and temperature, pressure, and flow rate of heat media(such as steam) used in heating, etc.) shall be controlled according to
the instructions, which shall be described in the EM Manual.
(2) Measurement& Recording

A. Factors necessary to improve and keep track of heat transfer conditions
shall be periodically measured and the results shall be recorded
according to the instructions concerning measurements and records ofsuch factors, which shall be described in the EM Manual. The factors
include temperature of heated or cooled objects, and temperature,pressure, and flow rate of heat media (such as steam) used in heating.

(3) Maintenance& Inspection

A. Components related to heat transfer of the equipment, such asheat-transfer surfaces of boilers, industrial furnaces and heatexchangers, shall be maintained according to the instructions
concerning their maintenance and inspection, which shall be describedin the EM Manual. Based on the manual, the facilities shall be
periodically cleaned to remove soot, dust and scale to prevent
deterioration of their heat transfer performance.

20Rev.1 26 July, 2018

When installing a new facility for heating, etc., actions including thefollowing shall be taken to improve efficient use of energy.
A. When installing a new facility for heating, a proper type & capacity offacility shall be selected in accordance with loads.
Standard
Components(4) Necessary
Measures when
Installing New
Facilities

B. When installing a new facility for heating, actions including the following
shall be taken to improve efficient use of energy.
(a) To use materials with high thermal conductivity for heat exchanging
components.
(b) To arrange heat exchangers properly to improve total thermal
efficiency.
A. Increasing dryness of steam used in facilities for heating, etc. shall beconsidered if such dry steam contributes to energy conservation. The
dryness shall be increased through preventing heat radiation duringtransport and installing a steam separator
B. Improving properties and shapes of wall surfaces of industrial furnaces
shall be considered to improve emissivity of such surfaces.
C. Improving properties and shapes of heat-transfer surfaces of facilities
for heating, etc. shall be considered to improve heat transfer coefficientof such surfaces.
D. Using materials with high thermal conductivity for heat exchanging
components of facilities for heating, etc. shall be considered.
E. Direct heating of the objects using a direct fire burner or throughsubmerged combustion shall be considered, if possible.
F. When heating, etc. is applied using multiple-effect evaporators,
increasing the stages of the evaporators shall be considered to improve
total thermal efficiency.
G. Improving efficiency of distillation towers shall be considered. The
improvement measures include optimization of operating pressure,
reduction of reflux ratio by increasing number of stages, vapor
recompression, and use of multiple-effect distillation towers.

TargetComponents

H. Increasing the number of stages of heat exchangers and arranging
them more properly shall be considered to improve total thermal
efficiency.
I. Multistep utilization of heat shall be considered to improve total thermal
efficiency. It shall be achieved by, for example, combining industrial
furnaces operated at high temperatures and those operated at low
temperatures.
J. Efforts to improve the method to control facilities for heating, etc. shallbe made for more effective use of heat.
K. Processes that require repeated heating, etc. shall be streamlined by,for example, serialization, integration, cut down, or partial elimination of
the processes.
L. Preliminary treatment methods for heated materials that may contributeto energy conservation shall be studied and reviewed. The methods
include removal of moisture content, preheating, and pre-grinding.
M. When installing heat-using facilities (e.g. boilers and chillers), ways toimplement distributed arrangement of compact boilers or to install heatstorage facilities that may contribute to energy conservation shall be
studied.
N. When installing boilers, industrial furnaces, and heating/drying facilities
that use heat media (e.g. steam and hot water), facilities with highthermal efficiency shall be selected taking account of temperaturelevels to be used. Further, the facilities shall have a capacity
appropriate for required performance based on their types, operating
characteristics and operational status.
O. Heating with vacuum steam media shall be considered as an alternative
to hot water media used in heating facilities.

21Rev.1 26 July, 2018

2. Rationalization of Heating, Cooling and Heat Transfer(2-2) Air Conditioning Facilities and Hot Water Supply Facilities
A. Air conditioning to maintain proper environment required for
manufacturing and storage and work environment for workers shall be
managed by limiting zones of air conditioning, reducing a load, andaccording to the instructions concerning facilities depending on how air
conditioning is used in the zones, which shall be described in the EM
Manual. The instructions include those for operational time,
temperature, air changes per hour, and humidity.
B. Air conditioning of an office in a factory shall be managed by limitingzones of air conditioning, reducing a load using window shades, andaccording to the instructions concerning facilities depending on how air
conditioning is used in the zones, which shall be described in the EM
Manual. The instructions include those for operational time, room
temperature, air changes per hour, humidity, and effective use ofoutdoor air. Note that air cooling/heating temperatures in the EM
Manual shall be determined considering the preset temperatures
recommended by the government.
C. Heat source facilities, heat transport facilities, and air conditioner
facilities included in air conditioning facilities shall be controlled in a
way that improves total energy efficiency of air conditioning facilities,
which shall be described in the EM Manual. The improvement shall beachieved by presetting cooling water temperatures, chilled/hot watertemperatures and pressures based on seasonal variations in outdoor
air conditions.

Standard
Components(1) Management& Control

D. If a heat source facility in air conditioning facilities includes more than
one unit of heat source equipment of the same model or more than one
unit of heat source equipment using different types of energy, thefacility shall be managed in a way that improves total energy efficiencyof the heat source facility, which shall be described in the EM Manual.
The improvement shall be achieved by adjusting the numbers of units
in operation or selecting equipment to be operated depending on
seasonal variations in outdoor air conditions and load fluctuations.
E. If a heat transport facility includes more than one pump, the facility shallbe managed in a way that improves total energy efficiency of the heattransport facility, which shall be described in the EM Manual. The
improvement shall be achieved by adjusting the numbers of units inoperation or selecting equipment to be operated depending on load
fluctuations.
F. If an air conditioner facility includes more than one air conditioner of thesame model in one zone or more than one air conditioner of different
types, the facility shall be managed in a way that improves total energy
efficiency of the air conditioner facility, which shall be described in the
EM Manual. The improvement shall be achieved by preventing mixing
loss, and adjusting the numbers of units in operation or selecting
equipment to be operated based on the load status.
G. Hot water supply facilities shall be managed by limit supply points
depending on seasons and work and according to the instructions,which shall be described in the EM Manual. The instructions areconcerned with factors necessary to improve the efficiency of hot watersupply (e.g. hot water supply temperature, and hot water supply
pressure).
H. Heat source facilities included in hot water supply facilities shall be
managed in a way that improves total energy efficiency including
auxiliary equipment (e.g. heat source equipment and pump) in
response to load fluctuations, which shall be described in the EM
Manual.

22

Rev.1 26 July, 2018

I.
(1) Management& Control

If a heat source facility for hot water supply facilities includes more than
one unit of heat source equipment, the facility shall be managed in a
way that improves total energy efficiency of the heat source facility,
which shall be described in the EM Manual. The improvement shall bemade by adjusting the numbers of units in operation based on the load
status.

A. For each of the zones of air conditioning, factors necessary to keep
track of air conditions (e.g. temperature and humidity levels) and
improve air conditioning efficiency shall be periodically measured andthe results shall be recorded according to the instructions concerning
measurements and records of such factors, which shall be described in
the EM Manual.

(2) Measurement& Recording

B. For heat source facilities, heat transport facilities, and air conditioner
facilities included in air conditioning facilities, factors necessary to
improve efficiency of each unit and total efficiency of the HVAC Systemshall be periodically measured and the results shall be recorded
according to the instructions concerning measurements and records ofsuch factors, which shall be described in the EM Manual.
C. For hot water supply facilities, factors necessary to improve theefficiency of hot water supply shall be periodically measured and theresults shall be recorded according to the instructions concerning
measurements and records of such factors (e.g. feed water volume andhot water supply temperature), which shall be described in the EM
Manual.

Standard
Components(3) Maintenance& Inspection

A. Heat source facilities, heat transport facilities, and air conditioner
facilities included in air conditioning facilities shall be periodicallymaintained and inspected to be kept in good condition according to the
instructions concerning maintenance and inspection necessary to
improve efficiency of the air conditioner facilities, which shall be
described in the EM Manual. The improvement shall cover both each
unit and total efficiency of the HVAC System and shall be achieved by,for example, maintaining thermal insulation materials, cleaning clogged
filters, and removing scale formed on a surface of the condenser orheat exchanger.
B. Hot water supply facilities shall be periodically maintained andinspected to be kept in good condition according to the instructions
concerning maintenance and inspection, which shall be described in
the EM Manual. The instructions include those necessary to improvethe efficiency of hot water supply (e.g. removing scales formed on asurface of the heat exchanger).
C. Automatic control devices of air conditioning and hot water supply
facilities shall be periodically maintained and inspected to be kept ingood condition according to the instructions concerning maintenanceand inspection necessary to manage the devices, which shall be
described in the EM Manual.
A. When installing a new air conditioning facility, hot water supply facility
and etc., a proper type & capacity of facility shall be selected inaccordance with loads.

(4) Necessary
Measures when
Installing New
Facilities

B. When installing a new air conditioning facility, actions including thefollowing shall be taken to improve efficient use of energy.
(a) To select a facility that has a sufficient capacity to respond to heat
demand changes. If at all possible, individual control shall be available
for each zone of air conditioning.
(b) To introduce a heat source facility with highly energy efficiency thatutilizes, for example, a heat pump.

23

Rev.1 26 July, 2018(c) To introduce a system capable of high efficiency operation in heatsource and heat transport facilities included in air conditioning facilities
that are expected to have load fluctuations. The high efficiency
operation includes appropriately splitting and controlling the number ofunits to be operated, controlling the rotation speed, use of equipmentwith high efficiency during partial load operation, and use of a heatstorage system. In addition, use of heat transport facilities with variable
pump head control shall be considered.
(d) To introduce variable air-volume and flow-rate systems with a rotation
speed control device so that the air conditioner facility can be controlled
in response to a current load when the facility is used under thecondition with large load fluctuations.
(e) To consider introducing a total heat exchanger for reduction of an air
cooling/heating load required to supply outdoor air in summer andwinter. Further, when air cooling is needed in winter or during
intermediate seasons, controlling room temperatures by outdoor air
cooling shall be considered. If indoor air needs to be humidified during
the control, use of water humidification shall be considered so that the
air cooling load can be reduced.
(f) To manage production facilities that generate heat, if installed, in a waythat would not increase the air conditioning load by directly discharging
heat outside of zones of air conditioning (by, for example, use of a ductor refluxing heat media).

Standard
Components(4) Necessary
Measures when
Installing New
Facilities(g) To introduce local air conditioning around workers or reduce the loadrequired for the air conditioning by radiant heating if air conditioning of
the entire workplace is unnecessary. The volume of air to be airconditioned shall be minimized.
(h) To close gaps and openings of buildings as much as possible if there
are noticeable ones, to reduce the load required for air conditioning.
(i) To determine where and how to install an outdoor unit of an air
conditioner based on solar radiation and ventilation condition of theinstallation location, and ventilation condition in case the units are
installed closely together.
(j) To ensure that the air conditioning facility allows proper control of air
conditioning and analysis of its operation. This shall be achieved by, forexample, installing equipment and sensors required to measure factors
necessary to keep track of air conditions (e.g. temperature andhumidity levels) for each zone of air conditioning and to improve air
conditioning efficiency, and by introducing a factory energy
management system.
B. When installing a new hot water supply facility, actions including thefollowing shall be taken to improve efficient use of energy.
(a) To select a facility that is capable of operation in response to loadchanges on hot water supply.
(b) To introduce a local hot water supply system for sections where
demand for hot water is low.
(c) To examine possible introduction of a heat pump system and/or a latent
heat recovery system for heat source facilities.
C. When installing new air-conditioning or hot water supply facilities that isregarded as the Specified Energy Consuming Equipment, a proper
type of the equipment shall be selected with due consideration to theapplicable performance regulation with regard to the equipment inquestion.

24

Rev.1 26 July, 2018

A. For air conditioning facilities, ways to efficiently use energy for air
conditioning facilities shall be studied.
(a) To use, for air conditioning facilities, systems using heat source
equipment with high energy efficiency such as a heat pump andstorage system and gas cooling/heating system. If both air cooling andheating loads are present at the same time in factories, use of heatrecovery system shall be considered. Further, if exhaust heat can beeffectively used, use of a heat recovery heat pump andexhaust-heat-driven heat source equipment shall also be considered.
(b) To improve thermal insulation for walls and roof in the areas to be
air-conditioned, such as by increasing the thickness of the walls androof, using materials with low thermal conductivity, applying
double-layer thermal insulation. Other measures shall also be studied
to shield solar radiation through windows using, for example, window
shades, heat reflecting glasses, heat shield window films, and thermal
buffer zone with double insulation structure.

TargetComponents(c) To introduce air volume control for outdoor air supply for air
conditioning facilities, using a carbon dioxide sensor or the like, in orderto reduce a load required for outdoor air processing. Further, for air
cooling during seasons except for summer, reduction of energy
consumed by heat source facilities through, for example, air coolingutilizing water cooled by a cooling tower shall be considered.
(d) To introduce a large temperature difference system that can reduce air
flow volume and circulation water volume for air conditioning facilities.
(e) To improve thermal insulation of pipes and ducts by, for example, using
thermal insulation material with low thermal conductivity.
B. For hot water supply facilities, ways to efficiently use energy for hot
water supply facilities shall be studied.
(a) To introduce hot water supply facilities with high energy efficiency (suchas by combining a heat pump system or a latent heat recovery system
for heat source facilities).
(b) To introduce a heat pump system or a latent heat recovery system forheat source facilities into the hot water supply facilities for heating anddrying equipment.
C. Reduction of power to drive ventilating facilities using air volume control
with various sensors shall be studied for indoor parking areas, machinerooms and electric rooms.

25

Rev.1 26 July, 2018

3. Waste Heat Recovery and Usage
A. Recovery and use of waste heat from exhaust gas shall be managed
according to the instructions concerning waste gas temperature or
waste heat recovery rate for different types of facilities that discharge
exhaust gas, which shall be described in the EM Manual.
B. The EM Manual shall be established so that waste gas temperatureis reduced and the waste heat recovery rate is enhanced based on thevalues of waste gas temperature and waste heat recovery rate
specified in Table (2) and (4) as standard value.
(1) Management& Control

C. Recovery and use of waste heat from steam drain shall be managed
according to the instructions concerning temperatures, volumes, andproperties of the steam drain used in waste heat recovery, which shallbe described in the EM Manual.
D. Recovery of sensible heat, latent heat, pressure, and combustible
constituents of heated solid or fluid shall be managed according to the
instructions concerning range of recovery, which shall be described in
the EM Manual.
E. Waste heat from exhaust gas shall be properly utilized according totemperature conditions (e.g. preheating temperature) and operating
conditions of facilities.

Standard
Components(2) Measurement& Recording

A. Factors necessary to keep track of conditions of waste heat andpromote its utilization shall be periodically measured and the results
shall be recorded according to the instructions concerning
measurements and records of such factors, which shall be described in
the EM Manual. The factors include temperature of waste heat, heat
quantity, and components of heat media discharging waste heat.

(3) Maintenance& Inspection

A. Heat exchangers and waste heat boilers that are used to recover waste
heat (hereafter, “waste heat recovery facilities”) shall be periodicallymaintained and inspected according to the instructions concerning
maintenance and inspection necessary to maintain efficient recovery
and use of waste heat, which shall be described in the EM Manual. The
efficiency shall be maintained by, for example, cleaning heat transfer
surfaces and repairing the leaks of heat media.

(4) Necessary
Measures when
Installing New
Facilities

A. When installing a new flue or pipe that transports waste heat from afacility that discharges the heat to a waste heat recovery facility, actions
to keep waste heat at a high temperature level shall be taken. The
actions include preventing air intrusion and enhancing thermal
insulation.
B. When installing a new waste heat recovery facility, actions to increase
the waste heat recovery rate shall be taken. The actions include
improving properties and shapes of heat transfer surfaces andincreasing heat transfer area.

26

Rev.1 26 July, 2018

A. Efforts shall be made to decrease temperatures at the inlets of coolers
and condensers toward a target of 200°C or less so that efficient heatrecovery can be achieved. However, this rule shall not apply to solid,
highly contaminated fluid, highly corrosive fluid, and other materials
with low cooling heat quantity (less than 2,100 MJ per hour) or a lowheat recovery capacity (less than 630 MJ per hour).
B. For waste heat recovery from exhaust gas, efforts shall be made to
reduce the waste gas temperature and enhance the waste heatrecovery rate toward the reference values listed in Table (2) and (4) astarget values.

TargetComponents

C. For flues and pipes that transport waste heat from a facility thatdischarges the heat to a waste heat recovery facility, taking measures
to keep waste heat at a high temperature level shall be considered. The
actions include preventing air intrusion and enhancing thermal
insulation.
D. For waste heat recovery facilities, taking measures to increase thewaste heat recovery rate shall be considered. The actions include
improving properties and shapes of heat transfer surfaces andincreasing heat transfer area. Additionally, installing heat storage
facilities shall also be considered if they allow waste heat utilization.
E. Ways to effectively use waste heat shall be studied and reviewed,
depending on how it is released.
F. Ways to effectively use sensible heat, latent heat, pressure,combustible constituents, and reaction heat of heated solid or fluid shallbe studied and reviewed, depending on how they are released.

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Rev.1 26 July, 2018

4.

Rationalization of Conversion of Heat to Motive Power(4-1) Dedicated Power Generation Facilities(1) Management& Control

A. Operation of dedicated power generation facilities shall be managed ina way that maintains efficient operation of the facilities, which shall be
described in the EM Manual. Further, when multiple dedicated power
generation facilities are operated in parallel, they shall be managed in a
way that allows the load to be properly distributed to the facilities in
response to increase/decrease of the load, which shall be described in
the EM Manual, to improve total efficiency. Characteristics of different
facilities shall be taken into consideration when determining how theload should be distributed.
B. If pressure can be lowered when a partial load is put on the steam
turbines of thermal power station, the station shall be managed in an
optimized way, which shall be described in the EM Manual.

Standard
Components(2) Measurement& Recording

A. For dedicated power generation facilities, total efficiency of the facilities
shall be periodically measured and the results shall be recorded
according to the instructions concerning measurements and records ofthe efficiency, which shall be described in the EM Manual.

(3) Maintenance& Inspection

A. If dedicated power generation facilities are used, they shall be
periodically maintained and inspected in a way that maintains a highlevel of total efficiency of the facilities, which shall be described in the
EM Manual concerning maintenance and inspection.
A. When installing a new dedicated power generation facility, the actual
record and future trends of power demand shall be fully examined to
select a type of the facility with an optimal capacity.

(4) Necessary
Measures when
Installing New
Facilities

TargetComponents

B. When installing a new dedicated power generation facility, generation
efficiency of the facility at the receiving end shall not be significantly
lower than the average level of domestic dedicated thermal power
generation facilities throughout a year. When installing a new dedicatedpower generation facility for electricity supply business as listed inTable (8), the facility shall have power generation efficiency equal to or
more than the efficiency listed in Table (9).
N/A28

Rev.1 26 July, 2018

4.

Rationalization of Conversion of Heat to Motive Power(4-2) Cogeneration Facilities(1) Management& Control

A. Operation of equipment used in cogeneration facilities (e.g. boilers, gas
turbines, steam engines, gas engines, and diesel engines) shall be
managed in a way that allows generated heat and electric power to be
fully utilized in response to increase/decrease of the load, which shallbe described in the EM Manual, to improve total efficiency. Further,when multiple cogeneration facilities are operated in parallel, they shallbe managed in a way that allows the load to be properly distributed to
the facilities in response to increase/decrease of the load, which shallbe described in the EM Manual, to improve total efficiency.
Characteristics of different facilities shall be taken into consideration
when determining how the load should be distributed.
B. If bleeder turbines or back pressure turbines are used in cogeneration
facilities, minimum allowable values of bleed pressure for the bleeder
turbine or back pressure for the back pressure turbine shall becontrolled according to the instructions concerning the values, whichshall be described in the EM Manual.

Standard
Components(2) Measurement& Recording

TargetComponents

A. For equipment used in cogeneration facilities (e.g. boilers, gas
turbines, steam turbines, gas engines, and diesel engines), factors
necessary to improve total efficiency in response to increase/decreaseof load shall be periodically measured and the results shall be recorded
according to the instructions concerning measurements and records ofsuch factors, which shall be described in the EM Manual.
B. When bleeder turbines or back pressure turbines are operated under alow pressure close to the minimum allowable bleed or back pressure,management factors shall be periodically measured and the results
shall be recorded according to the instructions concerning
measurements and records of such factors, which shall be described in
the EM Manual. The factors include operational time, inlet/outletpressure, bleed or back pressure, and amount of steam.

(3) Maintenance& Inspection

A. Cogeneration facilities shall be periodically maintained and inspected ina way that maintains a high level total efficiency, which shall be
described in the EM Manual concerning maintenance and inspection.

(4) Necessary
Measures when
Installing New
Facilities

A. When installing a new cogeneration facility, the actual record and future
trends of heat and power demands shall be fully examined. It shall be
confirmed that exhaust heat and electricity are fully available on a fullyear basis to select a type of the cogeneration facility with an optimal
capacity.
A. If there is large steam or hot water demand and exhaust heat is
expected to be fully available on a full year basis in the future, installingcogeneration facilities shall be considered.
B. If efficiency of bleeder turbines or back pressure turbines incogeneration facilities can be improved under different bleeding or backpressure conditions, modifying the turbines shall be considered.

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Rev.1 26 July, 2018

5. Prevention of Energy Loss due to Radiation and Resistance(5-1) Prevention of Heat Loss due to Radiation, Conduction and etc.
A. Thermal insulation work for pipes and other equipment that transportheat media and process fluid and facilities for heating, etc. (hereafter,“heat-using facilities”) shall be completed according to JIS A9501(Standard practice for thermal insulation works) and equivalent
standards.

(1) Management& Control(2) Measurement& Recording

Standard
Components(3) Maintenance& Inspection(4) Necessary
Measures when
Installing New
Facilities

B. When building a completely new industrial furnace, the furnace shall bethermally insulated in a way that improves insulation performance of
furnace walls, taking account of the temperatures of the externalsurfaces of a furnace listed in Table (5) as standard value. Morespecifically, if the furnace is intermittently operated or operated for 12hours or less in a day and its internal temperature is 500°C or higher,
the insulation shall be based on the temperatures listed in Table (5) as
standard value or at least 70% of its interior wall surface area shall bemade of thermal insulating material having a weighted average bulk
density of 1.0 or less. Further, existing industrial furnaces shall also bethermally insulated, if possible, based on the temperature of theexternal surface of a furnace listed in Table (5) as standard value.
A. For each of facilities for heating, etc., factors necessary to keep track ofand improve heat losses shall be periodically measured, and the results
shall be analyzed for heat balance and recorded according to the
instructions concerning measurements and records of such factors,
which shall be described in the EM Manual. The factors include
temperature of the external surface of a furnace, heated object
temperature, and waste gas temperature.
A. Heat-using facilities shall be periodically maintained and inspectedaccording to the instructions concerning maintenance and inspection of
the measures (e.g. heat insulation work) that have been taken toprevent heat losses, which shall be described in the EM Manual.
B. Steam traps shall be periodically maintained and inspected in a waythat prevents steam leaks and clogged traps caused by malfunction of
the steam traps, which shall be described in the EM Manual
concerning maintenance and inspection.
A. When installing a new heat-using facility, actions to improve thermal
insulation shall be taken. The actions include increasing the thicknessof thermal insulation materials, using thermal insulation materials with
low thermal conductivity, and applying double-layer thermal insulation.
Additionally, if fire-retardant heat insulation materials are used, suchmaterials with sufficient fire-retardant heat insulation performance shallbe selected.
B. When installing a new heat-using facility, measures to prevent heatlosses due to heat dissipation and air intrusion at the openings ofheat-using facilities shall be taken. The measures include reducing thesize of the openings, sealing, installing double doors, and insulation
using air flows.
C. When installing a new heat-using facility, a heat radiation area shall be
reduced by measures such as using a more streamlined pipe route fortransporting heat media and implementing distributed arrangement ofheat source facilities.

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Rev.1 26 July, 2018

A. Measures to reduce thermal capacity of the bodies, bases, and fixturesof industrial furnaces, and wagons to carry heated objects to thefurnaces shall be studied.
B. Efforts to improve thermal insulation of furnace walls shall be made,taking account of the temperatures of the external surfaces of anindustrial furnace listed in Table (5) as target value. More specifically, if
the furnace is intermittently operated or operated for 12 hours or less ina day and its internal temperature is 500°C or higher, the insulation
shall be based on the temperatures listed in Table (5) as target value orat least 80% of its interior wall surface area shall be made of thermal
insulating material having a weighted average bulk density of 0.75 or
less.

TargetComponents

C. Improving thermal insulation of heat-using facilities shall be studied.
The improvement shall be achieved by, for example, increasing the
thickness of thermal insulation materials, using thermal insulationmaterials with low thermal conductivity, and applying double-layer
thermal insulation.
D. Taking measures to prevent heat losses due to heat dissipation and air
intrusion at the openings of heat-using facilities shall be studied. The
measures include reducing the size of the openings, sealing, installing
double doors, and insulation using air flows.
E. Taking measures (e.g. sealing) to prevent leaks of heat media fromrotation parts and joints of heat-using facilities shall be studied.
F. Using a more streamlined pipe route for transporting heat media shallbe studied to reduce a heat radiation area.
G. Covering open type facilities steam-using facilities and transportfacilities for high-temperature materials shall be studied to reduce heatlosses due to dissipation or diffusion of heat media. However, this rule
shall not apply to the cases where it is necessary to cool the facilities
while transporting them.

31Rev.1 26 July, 2018

5. Prevention of Energy Loss due to Radiation and Resistance(5-2) Prevention of Electricity Loss due to Resistance and etc.
A. Transformers and uninterruptible power systems shall be managed in a
way that increases efficiency of the transformers and uninterruptible
power systems in whole, which shall be described in the EM Manual. In
the management, efficiency during partial load operation shall be taken
into consideration. Adjustment of the numbers of units in operation andproper load allocation shall be implemented.
B. Power receiving and transforming facilities shall be managed to haveproper arrangement, shorter distribution lines due to change in themethod of distribution of electricity, and appropriate distribution voltage
according to the instructions concerning such measures, which shall be
described in the EM Manual, in order to reduce distribution losses.

(1) Management& Control

C. The power factor, at the receiving end, of the facilities listed in Table (6)as standard value (except for those with a capacity smaller than thevalues in the table) or power transforming facilities shall be improved tobasically 95% or higher. The improvement shall be achived by, forexample, installing phase advance capacitors. Note that this rule shallnot apply to auxiliary equipment in a power station.
D. Phase advance capacitors shall be controlled in a way that allows thecapacitors to be started or stopped together with the operation of the
facilities in which the capacitors are installed, which shall be describedin the EM Manual.
E. When a single-phase load is connected to a three-phase power supply,
the equipment shall be controlled in a way that prevents voltage
imbalance, which shall be described in the EM Manual.
F. Facilities that use electricity (hereafter, “electricity-using facilities”) shallbe managed and adjusted according to the instructions concerning
operation of the facilities, which shall be described in the EM Manual.
Based on the manual, the facilities shall be controlled to reduce themaximum current by equalizing the power consumption in factories.

Standard
Components

G. Supply of electricity to electricity-using facilities shall be managed
according to the instructions concerning such factors as voltage,current and etc. that are necessary to reduce electrical losses in powerreceiving and transforming facilities and power distribution facilities(according to the type of electricity-using facilities, operational status,and capacity), which shall be described in the EM Manual.
(2) Measurement& Recording

A. Such factors as voltage, current and etc. that are necessary to reduce
electrical losses in power receiving and transforming facilities shall be
periodically measured and the results shall be recorded according to
the instructions concerning measurements and records of such factors,
which shall be described in the EM Manual.

(3) Maintenance& Inspection

A. Power receiving and transforming facilities and power distribution
facilities shall be periodically maintained and inspected to be kept ingood condition, which shall be described in the EM Manual concerning
maintenance and inspection.

(4) Necessary
Measures when
Installing New
Facilities

A. When installing a new power receiving and transforming facility or
power distribution facility, the actual record and future trends of power
demand shall be fully examined to determine the layout, distribution
voltage, and capacity of the facilities.
B. When installing new equipment for power receiving and transforming
facilities that is regarded as the Specified Energy Consuming
Equipment, a proper type of the equipment shall be selected with due
consideration to the applicable performance regulation with regard to
the equipment in question.

32

Rev.1 26 July, 2018

A. Regarding the facilities listed in Table (6) or power transforming
facilities, improvement of the power factor at the receiving end by
installing phase advance capacitors or other measures shall be studied.
The target of power factor shall be 98%.
TargetComponents

B. For each electricity-using facility, introducing proper measurement
management using computers or similar means shall be considered.
The management shall be achieved by keeping track of factors showing
how electricity is used in the electricity-using facilities (e.g. electric
consumption, motive power converted from electricity, thermal status,
and temperature of exhaust gas generated while the motive power andheat is used).

33

Rev.1 26 July, 2018

6. Rationalization of Conversion of Electricity to Motive Power, Heat and etc.
(6-1) Motor Applied Facilities, Electric Heaters and etc.
A. Motor applied facilities shall be stopped when the operation is
unnecessary in a way that reduces electrical losses due to idle motor
operation, which shall be described in the EM Manual. In the
management, relationship with the electricity consumption at the start
shall be taken into consideration.
B. When more than one electric motor is used, the motors shall be
managed in a way that increases efficiency of the motors as a whole,which shall be described in the EM Manual. In the management,
efficiency during partial load operation shall be taken into
consideration. Adjustment of the numbers of units in operation andproper load allocation shall be implemented.

(1) Management& Control

C. After reviewing the current use end pressure and discharge rate of fluid
machines (e.g. pumps, fans, blowers, and compressors), they shall be
managed to reduce the load of their electric motors according to the
instructions, which shall be described in the EM Manual. The
instructions include those for selection of the number of units to be
operated and change of rotation speed depending on the load.
Additionally, if the machines have a constant load fluctuation range,measures such as modification of pipe/duct arrangement and reductionof the impeller size shall also be considered.
D. Electric heating facilities (e.g. induction furnaces, arc furnaces, andresistance furnaces) shall be managed to improve their thermal
efficiency according to the instructions, which shall be described in the
EM Manual. The instructions include those for improvement in the wayof loading heated objects, reduction of electrical losses due to no-load
operation, thermal insulation and waste heat recovery (if applicable).

Standard
Components

E. For electrolytic facilities, electrodes with an appropriate shape andcharacteristics shall be used. The facilities shall be managed to
improve their efficiency of electrolysis according to the instructions,which shall be described in the EM Manual. The instructions include
those for a distance between electrodes, electrolyte concentration, andcontact resistance of conductors.
F. Use of electricity shall be managed according to the instructions
concerning such factors as voltage, current and etc. that are necessary
to reduce electrical losses of different types of electricity-using facilities(e.g. motor applied facilities and electric heating facilities), which shallbe described in the EM Manual.

(2) Measurement& Recording

A. For motor applied facilities and electric heating facilities, such factors asvoltage, current and etc. that are necessary to reduce electrical losses
shall be periodically measured and the results shall be recorded
according to the instructions concerning measurements and records ofsuch factors, which shall be described in the EM Manual.

34

Rev.1 26 July, 2018

A. Motor applied facilities shall be periodically maintained and inspected ina way that reduces mechanical losses of electric motors, powertransmission units, and machines that apply loads to the motors, whichshall be described in the EM Manual concerning maintenance andinspection.
(3) Maintenance& Inspection

B. Fluid machines (e.g. pumps, fans, blowers, and compressors) shall be
periodically maintained and inspected in a way that prevents leaks ofthe fluid and reduces resistance of pipes and ducts for transporting
fluid, which shall be described in the EM Manual concerning
maintenance and inspection.
C. Electric heating facilities and electrolytic facilities shall be periodicallymaintained and inspected in a way that reduces resistance losses atwire connections and contacts of a switch, which shall be described in
the EM Manual concerning maintenance and inspection.
A. When installing a new motor applied facility, an electric heating facility,
etc., a proper type of the equipment shall be selected in accordancewith a necessary load.

Standard
Components(4) Necessary
Measures when
Installing New
Facilities

B. When installing a new motor applied facility that is expected to be used
constantly under the condition with large load fluctuations, a facility
configuration that is easily adjusted for operation in response to load
fluctuations shall be selected.
C. When installing a new AC motor that is regarded as the Specified
Energy Consuming Equipment or a new motive power facility equippedwith such an AC motor, a proper type of the equipment shall be selectedwith due consideration to the applicable performance regulation (seetable(7) for Top-Runner Standards*see footnote) with regard to theequipment in question. When installing a new AC motor that is notregarded as the Specified Energy Consuming Equipment (limited to athree-phase squirrel-cage induction motor) or a new motive power
facility equipped with such an AC motor, a proper type of the equipment
shall be selected with due consideration to the JIS C4212 (Low-voltage
three-phase squirrel-cage high-efficiency induction motors)*see footnote.
A. When a motor applied facility is used under the condition with large load
fluctuations, installing a rotation speed control device shall beconsidered so that the operation can be controlled in response to a
current load.
B. Installing electric motors with a capacity appropriate for the required
output shall be considered, taking account of characteristics and typesof the motors, as well as operating characteristics and operational
status of machines that apply loads to the motors.

TargetComponents

C. Electric heating facilities to be installed shall be selected after
comparing and reviewing the characteristics of different heating
methods (more specifically, heating with a fuel combustion process,heating with steam, and electric heating). Additionally, electric heating
facilities with an appropriate heating scheme shall be introduced basedon the temperature level.
D. If air compressors are to be installed, ways to implement distributed
arrangement of compact boilers that may contribute to energy
conservation shall be studied. Additionally, using low-pressure blowers/
fans for low-pressure application shall be considered, instead of
decompressing high-pressure air from an air compressor.
E. If vending machines of canned or bottled beverage are installed,
measures for efficient operation based on their usage shall beconsidered. The measures include suspending the machines during
night and on weekends using a timer and turning off light in themachines when unnecessary.

*Top-Runner Standard for high efficiency motors specifies motors in accordance with IE3, while JIS C4212
specifies motors in accordance with IE2.
35

Rev.1 26 July, 2018

6. Rationalization of Conversion of Electricity to Motive Power, Heat and etc.
(6-2) Lighting Systems, Elevators, Office Equipment and Consumer Equipment(1) Management& ControlStandard
Components

A. Lighting systems shall be managed according to the instructions basedon JIS Z9110 (General rules of recommended lighting levels), JIS
Z9125 (Lighting of indoor work places), or their equivalent standards,
which shall be described in the EM Manual. Dimming or turning-off thelight shall be managed in a way that eliminates excessive or
unnecessary lighting, which shall be described in the EM Manual.
B. Elevators shall be operated efficiently according to the instructions
concerning efficient elevator operation, which shall be described in the
EM Manual. The efficient operation includes limiting the floors to stopin certain time slots or in certain days of the week and limiting thenumber of elevators in operation (if there is more than one).
C. Office equipment shall be turned off when unnecessary and a low
power mode shall be used.

(2) Measurement& Recording

A. Illuminance of lighting systems shall be periodically measured and theresults shall be recorded according to the instructions concerning
measurements and records of illuminance in workplaces to be lit, whichshall be described in the EM Manual.
A. Lighting systems shall be periodically maintained and inspectedaccording to the instructions concerning maintenance and inspection,
which shall be described in the EM Manual. The instructions include
cleaning and replacement of lighting fixtures and lamps.

(3) Maintenance& Inspection

B. Elevators shall be periodically maintained and inspected in a way that
reduces mechanical losses of their electric motors, power transmission
units and machines that apply loads to the motors, which shall be
described in the EM Manual concerning maintenance and inspection.
C. Office equipment shall be periodically maintained and inspected, as
required.

36

Rev.1 26 July, 2018

A. When installing a new lighting system, elevator, etc., a proper type &capacity of facility shall be selected in accordance with necessary
luminous intensity or capacity.
B. When installing a new lighting system, actions including the following
shall be taken to improve efficient use of energy.
(a) To consider introducing energy-conserving lighting facilities such as
inverter fluorescent lamps.
(b) To consider introducing energy-conserving lighting facilities such as
lighting fixtures with high efficiency lamps (e.g. HID lamps).
(c) To select lighting fixtures that can be easily maintained, allowing easycleaning and light source replacement. Ease of maintenance shall also
be taken into consideration for the place and method of installation.
Standard
Components(4) Necessary
Measures when
Installing New
Facilities(d) To select lighting fixtures, considering factors for total lighting efficiency.
The factors include illuminance efficiency of the light sources, efficiencyof lighting circuits and lighting fixtures, and light radiation efficiency.
(e) To consider separating lighting system circuits for places with naturallighting from others.
(f) To consider measures to prevent unnecessary lighting in some places
and time slots by turning the lights off or dimming. The measures
include installing a motion sensor, use of timers, and interlocking withsecurity systems.
C. When installing a new elevator, such actions to improve efficient use ofenergy shall be taken like adopting higher energy efficiency control
system and/or driving system.
D. When installing new equipment for lighting systems, new officeequipment or consumer equipment that is regarded as the Specified
Energy Consuming Equipment, a proper type of the equipment shallbe selected with due consideration to the applicable performance
regulation with regard to the equipment in question.
A. For elevator and escalator facilities, efficient operation based on theirusage shall be studied. The efficient operation includes use of a motion
sensor to stop the facilities while no passenger is around.

TargetComponents

B. For lighting systems, when natural lighting can be used, selecting
lighting fixtures with a dimming function and introduction of automatic
control devices for lighting shall be considered. Introduction of lighting
systems that is capable of properly offsetting high illuminance of a newlight source (e.g. at the initial installation of the lighting system,
immediately after the replacement of a light source) for power saving
shall also be considered.
C. Introducing light-emitting diode (LED) lighting fixtures shall beconsidered.

37

Rev.1 26 July, 2018

7. Factory Energy Management System (FEMS)

Standard
Components

N/A

For factory energy management systems, actions including the following
shall be taken to study efficient use of energy.

TargetComponents

A. To have the system assume a main role in managing energy. The
management activities shall be planned for each system so that they
are made periodically (e.g. yearly, for each season, monthly, weekly,
daily, and hourly), and the results are clearly compared with pastrecords using data and graphs to keep track of the current energy
consumption trends.
B. To implement integrated energy conservation control for various
facilities (e.g. combustion, heat-using, waste heat recovery,
cogeneration, electricity-using, air conditioning, ventilating, and hot
water supply facilities).
C. To compare and review the maintenance condition, operational time,and operating characteristics of facilities and equipment in order tofigure out their current degradation and timing of maintenance needed38