INSPECT WIRINGAND RECORD ELECTRICAL DATA:
RATINGS:
Motor Voltage Motor(s)Amps Oil Pump Voltage Starter Amps
Line Voltages: Motor Oil Pump Controls/Oil Heater
STARTERCHECKOUT:
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 ‘‘PHASETO PHASE’’ ‘‘PHASETO GROUND’’
T1-T2 T1-T3 T2-T3 T1-G T2-G T3-G
10-Second Readings:
60-Second Readings:
Polarization Ratio:
STARTER: Electro-MechanicalMSolid-State M
Motor Load Current Transformer Ratio : Signal Resistor Size Ohms
Transition TimerTime Seconds
Check Magnetic Overloads Add Dash Pot Oil Yes MNo MSolid-State Overloads YesMNo M
Solid State Starter: TorqueSetting O’Clock Ramp Setting Seconds
OPEN-DRIVE MOTOR BEARINGS:Added Oil to Proper Level MYe s
CONTROLS: SAFETY,OPERATING, ETC.
Perform Controls Test(Yes/No)
PIC CAUTION
COMPRESSOR MOTOR AND CONTROLPANEL 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 YesMNo M
Chilled Water Flow Switch YesMNo M
Pump Interlocks YesMNo M
INITIAL START:
Line UpAll Valves in Accordance With Instruction Manual: Start Water Pumps and Establish WaterFlow
Oil Level OK and Oil TemperatureOK Check Oil Pump Rotation-Pressure
Check Compressor Motor Rotation (Motor End Sight Glass) and Record: Clockwise
Restart Compressor, Bring UpTo Speed. Shut Down. Any Abnormal Coastdown Noise? Yes*MNo M
*If yes determine cause.
STARTMACHINE 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