Carrier 19XR,XRV Hermetic Centrifugal Liquid Chillers User Manual
Page 126

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