3-140
YES
NO
Start
Was refrigerant recovery work executed
when replacing the compressor?
Turn off power of the failed unit.
Measure oil volume of
the failed compressor.
Remove the failed compressor.
Charge oil.
Install the compressor.
Check leakage of the failed unit.
Vacuum the failed unit.
Charge refrigerant.
Open valves fully.
(Balancing, liquid, and gas pipes)
End
Recover refrigerant according to section 13
“Refrigerant recovery method when replacing
compressor” or by a refrigerant recovery device.
3-11. REPLACEMENT OF COMPRESSOR
3-11-1. Replacing Procedure of Compressor (Outline)