Carrier PC211, Start-Up, Operation And Maintenance Instructions Manual

Page: 382 / 392

INSPECT WIRING AND RECORD ELECTRICAL DATA:
RATINGS:
Motor Voltage Motor(s) Amps Oil Pump Voltage Starter Amps
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.
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:
STARTER: Electro-Mechanical
M
Solid-State
M
Manufacturer
Serial Number
Motor Load Current Transformer Ratio : Signal Resistor Size Ohms
Transition Timer Time Seconds
Check Magnetic Overloads Add Dash Pot Oil Yes
M
No
M
Solid-State Overloads Yes
M
No
M
Solid State Starter: Torque Setting O’Clock Ramp Setting Seconds
CONTROLS: SAFETY, OPERATING, ETC.
Perform Controls Test (Yes/No)
PIC CAUTION
COMPRESSOR MOTOR AND CONTROL CENTER MUST BE PROPERLY AND INDIVIDUALLY CON-
NECTED 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 Switch Yes
M
No
M
Chilled Water Flow Switch Yes
M
No
M
Pump Interlocks Yes
M
No
M
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*
M
No
M
*If yes, determine cause.
START MACHINE AND OPERATE. COMPLETE THE FOLLOWING:
A: Trim Charge and Record Under Charge Refrigerant Section on page 51.
B: Complete Any Remaining Control Calibration and Record Under Controls Section (pages 11-36).
C: Take At Least 2 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: DATE
CARRIER CUSTOMER REPRESENTATIVE
TECHNICIAN DATE
4