Operating instructions

6
Field-installed starters only:
Check continuity T1 to T1, etc. (disconnect cables from terminals 4, 5 and 6 of the motor to the starter).
Megger starter: Do not megger a motor connected to a solid-state starter, unless the leads to the motor are disconnected
and meggered.
  
     



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 overloads Yes/No ______________________
Electronic 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 direction. Clockwise or not ________________
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 shut-down oil and refrigerant levels.
________________________________________________________________________________________________
E. Give operating instructions to owner's operating personnel. Hours given: ________________________________
F. Call your Carrier factory representative to report chiller start-up. _______________________________________
Date: __________________________ Carrier technician ___________________________________________________
Signature
Date: __________________________ Customer representative _____________________________________________
Signature