November 21, 1997

Contract \# **TW-0928**

SPECIAL SPECIFICATION

SECTION 16267-S

[VARIABLE FREQUENCY DRIVE FOR VARIABLE]{.underline}

[TORQUE PUMP OR FAN ALTERNATING CURRENT MOTORS]{.underline}

[Page]{.underline}

PART 1 - GENERAL

1.01 Description of Work

1.02 References

1.03 Submittals

1.04 Quality Assurance

1.05 Warranty

PART 2 - PRODUCTS

2.01 General

2.02 VFD Supplied with New Pump or Fan System

2.03 VFD Supplied For Existing Pump or Fan System

2.04 VFD Maximum Voltage and Current Harmonic Distortion

2.05 Enclosure

2.06 Design Feature Minimum Requirements

2.07 Protective Features

2.08 Diagnostic Fault Indicators

2.09 VFD Environmental and Service Conditions

2.10 VFD Motor Requirements

2.11 Source Quality Control

2.12 Spare Parts

2.13 Test And Inspection Equipment

PART 3 - EXECUTION

3.01 Examination

3.02 Preparation

3.03 Installation

3.04 Field Quality Control

SPECIAL SPECIFICATION

SECTION 16267

[VARIABLE FREQUENCY DRIVE FOR VARIABLE]{.underline}

[TORQUE PUMP OR FAN ALTERNATING CURRENT MOTORS]{.underline}

# PART 1 - GENERALPART I - GENERAL

## 1.01 [DESCRIPTION OF WORK]{.underline}

A. [Furnish and install]{.underline} complete Variable Frequency Drive
(VFD) system as described in this Section, and as detailed on Drawings.
VFD will be used to control speed of three-phase variable torque pump or
fan alternating current (AC) induction motor.

B. [Provide services]{.underline} of VFD manufacturer's service engineer
to perform the following:

1\. Test, checkout, and start up VFD system. Contractor shall provide
necessary test equipment to collect data required under "Field Quality
Control" Article.

2\. Train Sandia National Laboratories' (SNL) personnel in proper
operation and maintenance of VFD system in accordance with Part 3 of
Division 15, Section "Mechanical Systems Demonstration."

Training shall include minimum of four hours of on-site instruction for
new equipment, unless otherwise noted in Contract documents.

3\. Contractor shall coordinate testing, checkout, start-up, and
training functions with appropriate SNL Maintenance organization, which
shall include:

a\. Loss of speed reference signal selectable options.

b\. Energy-saving optimization, such as low voltage for lighter loads.

C. [Related Sections]{.underline}: Refer to the following sections for
related work:

1.  Division 1, Section 1300-S, "Descriptive Submittals"

2.  Division 1, Section "Contract Closeout"

3.  Division 15, Section "Mechanical Systems Demonstrations"

4.  Division 16, Section " Electrical Work"

## 1.02 [REFERENCES]{.underline}

A. [Code of Federal Regulations (CFR)]{.underline}

Title 10 Part 435 Mandatory Energy Conservation Standards for Federal
Buildings

Title 29 Part 1910 Occupational Safety and Health Standards for General
Industry

Title 29 Part 1926 Safety and Health Standards for Construction

B. [Institute of Electrical and Electronics Engineers (IEEE
)]{.underline}

112 Test Procedures for Polyphase Induction Machines

399 IEEE Recommended Practice for Industrial and Commercial Power
Systems Analysis

519 IEEE Recommended Practices and Requirements for Harmonic Control in
Electrical Power Systems

C. [National Electrical Manufacturers Association (NEMA)]{.underline}

250 Enclosures for Electrical Equipment (1000 Volts Maximum)

ICS 1 General Standards for Industrial Control and Systems

ICS 1.1 Safety Guidelines for the Application, Installation and
Maintenance of Solid State Control

ICS 6 Enclosures for Industrial Controls and Systems

MG 1 Motors and Generators

MG 2 Safety Standards for Construction and Guide for Selection,
Installation and Use of Electric Motors and Generators

MG10 Energy Guide for Selection and Use of Polyphase Motors

D. [National Fire Protection Association (NFPA)]{.underline}

70 National Electrical Code

E. [Underwriters Laboratories Inc. (UL)]{.underline}

508C Power Conversion Equipment

## 1.03 [SUBMITTALS]{.underline}

A. [Equipment Submittals]{.underline}: Submit in accordance with
provisions of Section 1300-S, "Descriptive Submittals," except as noted
herein. Include the following:

1\. Shop drawings depicting applicable schematic diagrams.

2\. Description list of equipment features to demonstrate compliance
with requirements of Part 2.

3\. Written certification from VFD manufacturer that VFD system will not
exceed maximum harmonic distortion limits. Clearly identify
modifications to manufacturer's standard VFD system which are taken to
meet limit requirements.

4\. If VFD submitted is other than that specified on Drawings, submit
harmonic distortion analysis per applicable requirements of Part 2.

5\. Prior to substantial completion of Contract, submit final
documentation for VFD installation.

B. [Record Document Submittals]{.underline}: Comply with requirements of
Division 1, Section "Project Closeout," except as noted herein. Include
the following:

1\. Final Drawings: Provide one set of reproducible drawings of black on
white 11 by 17 inch (280 by 425 mm) size or in computer format, showing
dimensions, details, wiring diagrams, and interconnections that reflect
"as-built" Work.

a\. Drawings of sufficiently high-quality drafting and reproducibility
as to permit microfilming or scanning.

b\. Include wiring for subsystems.

c\. Lay out internal wiring diagrams such that terminal blocks for
external connections have sufficient room, minimum of 1-1/2 inch (38.1
mm), for showing cables for external connections.

d\. Should Drawings be submitted in computer disk format, prior approval
from SDR must be obtained to ensure compatibility with SNL's CADD
standard software.

2\. VFD Standard Drawings: Provide minimum of three (3) complete sets of
VFD supplier's standard drawings showing schematics, wiring, outline
dimensions, mounting details, and equipment weight.

3\. Instruction Books and Spare Parts List: Provide minimum of three (3)
copies of instruction books, operating manuals, comprehensive trouble
shooting guide, spare parts list and written certification, and special
bulletins covering on-site storage.

4\. Provide VFD manufacturer's written certification of technical
support and spare parts availability for period specified in Part 2.

5\. Warranty: VFD manufacturer's warranty.

6\. Test Reports: Minimum of three (3) copies of field quality control
test data.

## 1.04 [QUALITY ASSURANCE]{.underline}

A. [Manufacturer's Qualifications]{.underline}: Minimum of five years
experience in design and manufacture of VFDs of horsepower, range, and
technology specified on Contract Drawings and in this Section.

B. [Manufacturer shall provide]{.underline} quality control laboratory
to perform failure analysis.

## 1.05 [WARRANTY]{.underline}

[Provide manufacturer's warranty certificate]{.underline} upon
acceptance of VFD system that shall include the following as a minimum:

A. [If defect in supplied apparatus]{.underline} appears, or failure to
comply with this Section is identified within period of two (2) years
from date of manufacturer's certified start-up, not to exceed 30 months
from shipment, repair VFD within forty-eight (48) hour period.

B. [Contractor shall]{.underline}, without delay and at Contractor's own
expense, correct defects or failure of compliance by repairing defective
parts, supplying non-defective replacement parts, or correcting
defective or deficient design by any other means recommended by VFD
manufacturer and accepted by SDR.

# PART 2 - PRODUCTS

## 2.01 [GENERAL]{.underline}

A. [Comply]{.underline} with applicable referenced standards.

B. [Label VFD]{.underline} in compliance with UL 508C.

C. [Provide VFD]{.underline} of fixed direct current (DC) bus type with
full-wave input diode bridge.

1\. VFD shall convert three-phase, 60 Hz, input power to three-phase
adjustable voltage, adjustable frequency output power using pulse width
modulation (PWM) switching techniques.

2\. Base continuous full-load output current rating on 104° F (40° C)
ambient, and maximum modulating frequency at which the drive can be
programmed.

3\. Submit VFD characteristics output waveforms being supplied to the
motor at full speed and full load, assuming VFD is properly sized for
motor loads.

4\. Submit typical harmonic current spectrum that will be produced by
VFD at full-speed and full-load, assuming the worst case conditions.

D. [Expected Service Life Of Components and Enclosures]{.underline}: Not
less than twenty (20) years with nominal maintenance and repair.

E. [Equipment listed]{.underline} as Altitude Class 1 km per NEMA ICS 1
shall be derated per motor nameplate for altitude indicated in "VFD
Environment and Service Conditions" Article.

## 2.02 [VFD SUPPLIED WITH NEW PUMP OR FAN SYSTEM]{.underline}

A. [Pump or fan manufacturer who supplies VFD]{.underline} shall take
\"unit responsibility\" for complete pump or fan, motor, and VFD with
all specified components. Pump or fan is specified in Division 15
specifications and/or in Drawings.

1\. Unit responsibility includes responsibility for interface, and
successful operation of system components, that include, but are not
limited to, hardware and electronics.

2\. Pump or fan manufacturer is defined as actual manufacturer of
variable speed pump or fan.

B. [VFD manufacturer should also]{.underline} be manufacturer of motor.
However, this is not prerequisite for approval. Submit letter from VFD
manufacturer stating that motor nameplate data furnished with system is
compatible with VFD, and that system will meet requirements of this
Section.

C. [If Contractor provides system other]{.underline} than that specified
on Drawings, comply with the following:

1\. Requirements of Paragraphs A and B above.

2\. Submit harmonic distortion analysis to demonstrate that VFD meets AC
harmonic distortion limits.

## 2.03 [VFD SUPPLIED FOR EXISTING PUMP OR FAN SYSTEM]{.underline}

A. [Submit letter from VFD manufacturer]{.underline} stating that use of
their VFD is compatible with, and properly sized for existing pump or
fan motor nameplate information (provided by SNL), and that it will meet
requirements of this Section. Design engineer shall determine if total
system replacement is the appropriate recommendation.

B. [If Contractor proposes substitute]{.underline} for VFD specified on
Drawings, in addition to requirements of sections 1600-S, "Materials and
Equipment", and 1300-S, "Submittals", submit harmonic distortion
analysis demonstrating that substituted VFD meets AC harmonic distortion
limits.

1\. Perform harmonic study analysis in accordance with IEEE 399, Chapter
10 and IEEE 519, Section 8, and account for existing system.

2\. SNL will provide power system data required to perform harmonic
analysis study.

## 2.04 [VFD MAXIMUM VOLTAGE AND CURRENT HARMONIC DISTORTION]{.underline}

A. [Perform harmonic study analysis]{.underline} in accordance with IEEE
399, Chapter 10, and IEEE 519, Section 8, and account for existing
system parameters.

B. [SNL will provide]{.underline} power system data required to perform
harmonic analysis study.

C. [Harmonic Voltage Distortion]{.underline}: Do not exceed distortion
limits at point of common coupling (PCC), as recommended and defined by
IEEE 519.

1\. Limit harmonic voltage distortion to 3% of fundamental for
individual frequency harmonic.

2\. Limit total harmonic voltage distortion (THVD) to 5% at PCC without
major parallel resonance of injected harmonic frequencies .

D. [Harmonic Current Distortion]{.underline}: Do not exceed distortion
limits at PCC as defined in IEEE 519.

## 2.05 [ENCLOSURE]{.underline}

A. [Enclose]{.underline} electrical and electronic components, except
for isolation transformer, if required, and remote control devices.

1\. Type 12 enclosure per NEMA 250 and ICS 6, unless noted otherwise on
Drawings.

2\. Provide enclosure containing louvers with filters and fans as
required for appropriate heat dissipation.

B. [Mount VFD]{.underline} on motor control center (MCC), if indicated
in Contract documents.

## 2.06 [Design Feature MINIMUM REQUIREMENTS]{.underline}

A. [Automatic Restart]{.underline}: Selectable control feature such that
upon restoration of input power, VFD will automatically restart and
accelerate to speed set by remote speed reference signal.

B. [Speed Controls]{.underline}

1\. Independent minimum speed adjustment, adjustable from 0-100% speed,
± 1%.

2\. Independent maximum speed adjustment, adjustable from 0-100% speed,
± 1%.

3\. Selectable V/Hz adjustment.

4\. Independent acceleration and deceleration adjustments, adjustable
over minimum range of 2-120 seconds.

5\. Minimum of three selectable output frequency ranges.

6\. Torque limit regulator, adjustable from 50-100%.

7\. Two selectable stopping modes: Coast and ramp-to-stop.

8\. Bi-directional auto-speed search for starting into rotating loads in
both directions and for returning motor to desired speed in proper
rotational direction without tripping DC bus .

9\. Upon loss of speed reference signal, VFD shall be
selectable/programmable to support customer's needs and manufacturer's
recommendations, which include the operation at a preset minimum speed
or last best signal in order to prevent interruption to pump or fan
system being controlled.

C. [Communications Link and VFD Monitoring and Control
Capabilities]{.underline}: Adjustable speed designed to accept control
signal via SNL's Protocol 1 (P1) network communication connection to
Landis and Staefa Series 600 Modular Building Controller (MBC). Direct
communication connection shall be through identical protocol to the
Landis and Staefa system, unless otherwise specified in Contract
documents.

1\. "Gateway" type protocol translation shall not be accepted.

2\. VFD shall have ability to function on Landis and Staefa System 600
P1 Network as floor level network (FLN) device.

3\. P1 communication driver shall be built into VFD.

4\. At a minimum, VFD control panel shall be able to perform the
following tasks via the Landis and Staefa System 600 P1 Network:

a\. Monitor

\(1\) Frequency output

\(2\) Speed

\(3\) Current

\(4\) Torque

\(5\) Power

\(6\) Drive temperature

\(7\) kWh

\(8\) Run time

\(9\) Control variable.

b\. Control: Provide the following control options.

\(1\) Controlled variable may be wired to drive, and control device
modulated using control loop built into drive.

\(2\) Controlled variable may be wired to drive, and control device
modulated using control strategy implemented in Power Process Control
Language (PPCL).

\(3\) Controlled variable may be wired to system 600 network at remote
location.

\(4\) Start/Stop

\(5\) Speed reference.

D. [DC Bus Discharge Indicator]{.underline}: Incorporate within VFD
control system.

E. [Heat Sink Over Temperature Protector]{.underline}: Incorporate
within VFD controller.

F. [VFD Controller]{.underline}: Provide the following functions
(electromechanical or electronic programmable):

1\. Hand-Off-Auto switch with the following features:

a\. \"Hand\" - fan/pump enabled

b\. \"Off\" - fan/pump disabled

c\. \"Auto\" - remote stop/start enabled

2\. Switch with the following functions:

a\. Position 1 - Manual speed control.

b\. Position 2 - Automatic speed control

3\. Frequently accessed VFD programmable parameters shall be adjustable
from digital alpha-numeric keypad located on front door of VFD. These
shall include the control functions specified above. Programming and
messages shall be in the English language and accessible without
requiring knowledge of codes.

G. [Provide]{.underline} output load ammeter, voltmeter, and speed
indication.

H. [Maximum Acoustical Noise Levels]{.underline}: For sound originating
in VFD equipment, do not exceed 9 decibels above room ambient noise
level where equipment will be located.

I. [Efficiency of Total VFD System]{.underline}: No less than 96.5% at
full load when operating at full-speed, and when operating at
half-speed, no less than 87% for motors 5 HP or less and 80% for larger
motors.

J. [Line Reactors]{.underline}: Supply and install if required to meet
harmonic distortion limits, suitable for VFD application (including any
derating factor). Such reactors may be in separate enclosure from
power/control module.

K. [Integrated Withstand Rating:]{.underline} No less than 25,000
amperes (symmetrical), unless noted otherwise on Contract Drawings.

L. [Capable of power loss ride through]{.underline} to prevent shut-down
during power losses for minimum of three cycles.

M. [Input Power Disconnect]{.underline}: Provide positive disconnecting
means between controller and all phases of incoming AC line.

1\. Mount disconnect inside controller enclosure, and include mounting
bracket and through-the-door interlocking handle with provisions for
padlocking.

2\. Disconnect shall be thermal magnetic, molded case circuit breaker.
Size circuit breaker to interrupt 25,000 amperes (symmetrical) fault
current, unless noted otherwise.

N. [Manual Bypass]{.underline}: Unless otherwise specified on Contract
Drawings, provide manual bypass using magnetic contactors.

1\. Provide manufacturer's written certification stating that integrated
withstand rating of VFD is no less than 25,000 amperes (symmetrical),
unless noted otherwise in Contract documents.

2\. Include circuitry necessary to safely transfer motor from VFD to
power line, or from power line to VFD while motor is at zero speed.

3\. Utilize two motor contactors, electrically and mechanically
interlocked. Use NEMA-rated contactors; do not use IEC-type contactors.
One contactor is connected between controller output and motor, and is
controlled by controller regulator. Second contactor is connected
between bypass power line and motor, providing across-the-line starting.

4\. Provide motor protection in both \"controller\" mode and \"bypass\"
mode by motor overload relay. Relay control logic shall be 120 volts AC.

a\. Include common start-stop commands in \"controller\" mode and
\"bypass\" mode within this enclosure.

b\. Bypass circuit shall include door interlock, main power input
disconnect circuit breaker that provides positive shutdown of input
power to both bypass circuitry and VFD.

5\. Bypass circuit shall provide ability to safely troubleshoot and test
VFD controller, both energized and de-energized, while operating in
\"bypass\" mode.

6\. Mount equipment within VFD controller enclosure.

O. [Provide panel-mounted diagnostic module]{.underline} that includes
functions listed in "Diagnostic Fault Indicators" Article. VFD
unit-mounted alpha-numeric keypad which performs specified diagnostic
functions is acceptable.

P. [Operation of VFD at full-load]{.underline} will have a 95 percent or
greater lagging displacement power factor.

## 2.07 [Protective Features]{.underline}

A. [VFD shall be designed]{.underline} to be self-protecting from
electrical damage due to normal transients and surges in incoming power
line, grounding or disconnection of its output power, and interruption
in or runaway of incoming speed reference signal.

1\. Protection is defined as normal shutdown with no component damage.

2\. Available Fault Current at VFD: 25,000 amperes, unless noted
otherwise.

B. [Include]{.underline} the following protective features:

1\. Ground fault protection.

2\. Short circuit protection.

3\. Overload protection of VFD unit.

4\. Separate motor overload relay with reset button extending through
door.

5\. Minimum current limit adjustable (output of drive) from 60-100%.

6\. Current limited stall prevention.

7\. Current limiting DC bus fuse, or electronic DC bus protection.

8\. DC bus under voltage.

9\. DC bus over voltage.

10\. Loss of input phase protection.

11\. Over frequency protection.

12\. Over temperature protection.

13\. Motor over temperature protection.

14\. Stator winding overcurrent protection.

15\. Open phase or missing gate protection.

16\. Gate power supply loss protection.

17\. Instantaneous electronic overcurrent trip for transistor
protection.

## 2.08 [Diagnostic Fault Indicators]{.underline}

A. [VFD shall include]{.underline} continuous self-diagnostics for fault
conditions. Faults shall be displayed on front panel.

B. [Faults displayed]{.underline} by diagnostic module shall include:

1\. Overcurrent.

2\. Short circuit.

3\. Ground fault.

4\. Overload.

5\. Over voltage.

6\. Under voltage.

7\. Over temperature.

8\. Control function error.

## 2.09 [VFD Environmental and Service Conditions]{.underline}

[VFD system shall be designed]{.underline} to operate within the
following environmental or service conditions:

A. [Ambient Service Temperature]{.underline}: 0°C to 40°C.

B. [Humidity]{.underline}: Non-condensing to 90%.

C. [Altitude]{.underline}: 5,500 feet (1.7 km).

D. [Input Voltage]{.underline}: 200 volts AC ± 10% or 460 volts AC ±
10%, as specified in Contract documents.

E. [Input Frequency]{.underline}: 60 hertz ± 2%.

F. [Other potential environmental detriments]{.underline} which may
include excessive dust or vibration.

## 2.10 [VFD Motor Requirements]{.underline}

A. [New pump or fan motors]{.underline} operated from VFD system shall
meet the following requirements:

1\. Constructed and applied per NEMA MG 2.

2\. Continuous-Duty Operation: NEMA MG 1 Design B, specifically Part
31.40.4.2

3\. Service Factor: 1.15.

4\. Insulation: Class F

5\. Energy Efficiency: Comply with NEMA MG 10 and 10 CFR 435.106, and
determine efficiency using IEEE 112, Test Method B.

6\. Classification: Inverter Duty

B. [For existing or separately supplied pump or fan motors to be
operated]{.underline} from VFD system, coordinate nameplate information
and/or refer to Contract documents. Refer to "VFD Supplied for Existing
Pump or Fan System" Article for requirements.

## 2.11 [SOURCE QUALITY CONTROL]{.underline}

[Testing]{.underline}: Printed circuit boards shall be completely tested
and burned in before assembly into VFD. VFD shall then be subjected to
preliminary test for minimum of four hours.

A. [Perform test]{.underline} at 104°F (40° C) ambient, full rated load,
or cycled load.

B. [Continuously cycle]{.underline} drive input power for maximum stress
and thermal variation.

C. [Provide]{.underline} comprehensive trouble shooting guide, and phone
number for maintenance and operation questions to be answered.

## 2.12 [Spare Parts/technical support]{.underline}

A. [Identify critical spare parts]{.underline} and long lead time
delivery items that should be recommended for SNL in-house stock.

B. [Provide spare parts]{.underline} as recommended by VFD manufacturer,
unless otherwise specified in Contract documents. Spare parts should
include the following minimum:

1\. One set of fuses for each fuse size.

2\. One power transistor for each transistor rating supplied.

C. [Provide written certification from VFD supplier]{.underline} that
spare printed circuit boards of each type utilized in VFD are readily
available to SNL from VFD manufacturer within 24 hours of order.
Describe each part and/or module and list stock number(s) of such parts.

D. [Provide written certification]{.underline} from VFD manufacturer
stating the availability of technical support, and spare parts for
minimum of five (5) years from start-up.

E. [Provide technical support]{.underline} on the following basis:

1\. Respond within 4 hours for diagnosis of the problem.

2\. Respond within 24 to 36 hours to repair the problem.

## 2.13 [TEST AND INSPECTION EQUIPMENT]{.underline}

A. [Manufacturer shall inform SNL]{.underline} through their bid
submittal, if VFD or VFD system provided requires any special tool or
equipment to test, analyze or maintain system, and include additional
price list for said equipment

B. [At SNL's option]{.underline}, manufacturer may be required to
furnish said tool or equipment, if Paragraph A above is applicable.

# PART 3 - EXECUTION

## 3.01 [EXAMINATION]{.underline}

A. [Examine areas and conditions]{.underline} under which VFD system is
to be installed, and provide SDR with written notification of conditions
detrimental to proper completion of Work.

B. [Do not proceed]{.underline} until unsatisfactory conditions have
been corrected in manner acceptable to SDR.

## 3.02 [PREPARATION]{.underline}

[Provide indoor storage]{.underline} for VFD to meet service conditions
requirements of Part 2.

## 3.03 [INSTALLATION]{.underline}

A. [Comply]{.underline} with Contract documents, and requirements as
referenced herein.

B. [Comply]{.underline} with manufacturer\'s written installation
instructions, and requirements of Division 16, Section "Electrical
Work."

C. [In case of conflict]{.underline}, follow the most stringent
requirement and contact SDR for concurrence.

D. [Install warning label]{.underline} on VFD, AHU, pump, etc.
indicating that load is subject to automatic restart upon restoration of
power.

## 3.04 [Field QUALITY CONTROL]{.underline}

A. [Notify]{.underline} SDR minimum of two weeks prior to scheduled
test, checkout, and start-up.

B. [Do not energize]{.underline} any portion of VFD system without
authorization from VFD manufacturer\'s representative and SDR.

C. [Provide visual inspection]{.underline} of VFD prior to start-up, and
document the following:

1\. Presence of moisture or debris inside equipment.

2\. Damage or dents to VFD enclosure.

3\. Damaged, disconnected, or loose components, conductors or terminal
connectors.

4\. Possible restrictions to air flow at VFD cooling fans or heat sink.

5\. Unremoved shipping blocks or tapes at power contactors, relays, etc.

D. [Correct deficiencies]{.underline} found during visual inspection
prior to commencing start-up of VFD, and provide written documentation.

E. [Demonstrate]{.underline} trouble-free, stable operation for
following conditions: starting, full load, three-quarter load, half
load, one-quarter load, no load, and intermediate loads.

F. [SNL will test]{.underline} VFD with Dranetz Model 658 power analyzer
at point of common coupling, at no charge to Contractor, before and
after installation. Power analyzer is capable of measuring total
harmonic voltage and current distortion for all planned operating speeds
of the VFD system..

If harmonic voltage and current distortion exceed limits specified in
Part 2, Contractor shall furnish and install, at no cost to SNL, devices
necessary to reduce distortion to acceptable limits.

G. [VFD manufacturer\'s service engineer shall prepare]{.underline}
final written documents of installation and inspection tests made in
field, complete with meter readings and recordings, where applicable,
and submit to SDR for approval. Data collected from these tests shall
include:

1\. Incoming voltages from each phase leg to neutral, and from phase to
phase.

2\. External process signal and its source.

3\. Set-Up Parameters: Comply with SNL's written instructions.

a\. Acceleration time to full motor speed in seconds.

b\. Deceleration time from full motor speed in seconds.

c\. Second acceleration/deceleration as applicable.

d\. Maximum speed in hertz and RPM.

e\. Minimum speed in hertz and RPM.

4\. Operational Parameters

a\. Line current for each phase at inverter at one-quarter load, half
load, three-quarter load, and full load.

b\. Line current for each phase at bypass in bypass mode.

c\. Load current for each phase at inverter at one-quarter load, half
load, three-quarter load, and full load.

d\. Load current for each phase at bypass in bypass mode.

5\. Ambient temperature during test.

6\. DC bus voltage.

7\. Frequency output at 100% reference signal.

8\. Name of person completing test and start-up procedure.

9\. Date start-up completed.

END OF SECTION