19XR (PIC II) Hermetic Centrifugal Liquid Chillers 50 Hz - Carrier

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 power wiring).
Megger starter: Do not megger a motor connected to a solid-state starter, unless the leads to the motor are disconnected and
meggered.
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 __________ Electronic __________
Motor load current transformer ratio _____ : _____ Signal resistor size ________ Ohms
Transition timer time __________ seconds
Check magnetic overloads: Add dash pot oil Yes _______ No _______
Solid-state overloadsYes _______ No _______
Solid-state starter: Initial voltage __________ Volts Ramp setting __________ seconds
Controls: safety, operating, etc
Perform controls test Yes _______ No _______
CAUTION: Compressor motor and control centre 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 the machine?
Condenser water flow switch: Yes ________ No ________
Chilled water flow switch: Yes ________ No ________
Pump interlocks: Yes ________ No ________
Initial start:
Line up all valves in accordance with instruction manual: _______ Start water pumps and establish water flow: ________
Oil level and temperature correct: ________ 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* ________ No ________
* If yes, determine cause
Start machine and operate. Complete the following:
A. Trim charge and record.
B. Complete any remaining control calibration and record.
C. Take at least 2 sets of operational log readings and record.
D. After machine has been successfully run and set up, shut down and mark shutdown oil and refrigerant levels.
E. Give operating instructions to owner's operating personnel. Hours given: ________ hrs
F. Call your Carrier factory representative to report chiller start-up.
Signature: ______________________________________ Date: _________
(Carrier technician)
Signature: ______________________________________ Date: _________
(Customer representative)
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