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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
STARTER CHECKOUT:
Check continuity T1 to T1, etc. (Motor to starter, disconnect motor leads T4, T5, T6.) Do not megohm test 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 Ⅺ Solid-State Ⅺ
Motor Load Current Transformer Ratio : Signal Resistor Size Ohms
Transition Timer Time Seconds
Check Magnetic Overloads Add Dash Pot Oil Yes Ⅺ No Ⅺ Solid-State Overloads Yes Ⅺ No Ⅺ
Solid State Starter: Torque Setting
O’Clock Ramp Setting Seconds
OPEN-DRIVE MOTOR BEARINGS: Added Oil to Proper Level Ⅺ Yes
CONTROLS: SAFETY, OPERATING, ETC.
Perform Controls Test (Yes/No)
PIC CAUTION
COMPRESSOR MOTOR AND CONTROL PANEL MUST BE PROPERLY AND INDIVIDUALLY CON-
NECTED BACK TO THE EARTH GROUND IN THE STARTER. (IN ACCORDANCE WITH BULLETIN
C-8912).
Yes
RUN MACHINE: Do these safeties shut down machine?
Condenser Water Flow Switch Yes Ⅺ No Ⅺ
Chilled Water Flow Switch Yes Ⅺ No Ⅺ
Pump Interlocks Yes Ⅺ No Ⅺ
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* Ⅺ No Ⅺ
*If yes determine cause.
START MACHINE AND OPERATE. COMPLETE THE FOLLOWING:
A: Trim Charge and Record Under Charge Refrigerant Section on page 57.
B: Complete Any Remaining Control Calibration and Record Under Controls Section (pages 12-45).
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: Perform Hot Alignment (Open Drive Machines Only)
SIGNATURES: DATE
CARRIER CUSTOMER REPRESENTATIVE
TECHNICIAN DATE
CL-2