Carrier 19XR,XRV Hermetic Centrifugal Liquid Chillers User Manual

Page 126

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CL-2

INSPECT WIRING AND RECORD ELECTRICAL DATA:
RATINGS:

Motor Voltage

Motor(s) Amps

Oil Pump Voltage

Starter LRA Rating

Line Voltages:

Motor

Oil Pump

Controls/Oil Heater

FIELD-INSTALLED STARTERS ONLY:
Check continuity T1 to T1, etc. (Motor to starter, disconnect motor leads T4, T5, T6.) Do not megger solid-state
starters; disconnect leads to motor and megger the leads.

STARTER:

Electro-Mechanical

U

Solid-State

U

Manufacturer
Serial Number

Motor Load Current Transformer Ratio

:

Solid-State Overloads

Yes

U

No

U

CONTROLS: SAFETY, OPERATING, ETC.

Perform Controls Test (Yes/No)

INITIAL START:

Line Up All Valves in Accordance With Instruction Manual:

Start Water Pumps and Establish Water Flow

Oil Level OK and Oil Temperature OK

Check Oil Pump Rotation-Pressure

Check Compressor Motor Rotation (Motor End Sight Glass) and Record: Clockwise

Restart Compressor, Bring Up To Speed. Shut Down. Any Abnormal Coastdown Noise?

Yes*

U

No

U

*If yes, determine cause.

START MACHINE AND OPERATE. COMPLETE THE FOLLOWING:
A: Trim charge and record under Charge Refrigerant Into Chiller section on page 63.
B: Complete any remaining control calibration and record under Controls section (pages 10-45).
C: For unit mounted VFD complete pages 58-61.
D: Take at least two sets of operational log readings and record.
E: After machine has been successfully run and set up, shut down and mark shutdown oil and refrigerant levels.
F: Give operating instructions to owner’s operating personnel.

Hours Given:

Hours

G: Call your Carrier factory representative to report chiller start-up.

SIGNATURES:

CARRIER
TECHNICIAN

DATE

CUSTOMER
REPRESENTATIVE

DATE

MEGGER MOTOR

“PHASE TO PHASE”

“PHASE TO GROUND”

T1-T2

T1-T3

T2-T3

T1-G

T2-G

T3-G

10-Second Readings:

60-Second Readings:

Polarization Ratio:

PIC II CAUTION

COMPRESSOR MOTOR AND CONTROL PANEL MUST BE PROPERLY AND INDIVIDUALLY
CONNECTED BACK TO THE EARTH GROUND IN THE STARTER (IN ACCORDANCE WITH
CERTIFIED DRAWINGS).

Yes

RUN MACHINE:

Do these safeties shut down machine?

Condenser Water Flow

Yes

U

No

U

Chilled Water Flow

Yes

U

No

U

Pump Interlocks

Yes

U

No

U

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