12. HOW TO EXCHANGE COMPRESSOR
12-1. Exchanging Procedure of Compressor (Outline)
START
Has refrigerant recovery work been done?
Turn off the circuit breaker.
Remove the failure compressor.
Mount a service compressor.
Leakage check
Vacuuming
Charge the refrigerant.
12-2. Exchange of Compressor
For exchange of compressors, refer to (11) Compressor in Section 13. Detachments.
YES
END
NO
Open PMV forcedly and then recover refrigerant
using a refrigerant recovery unit.
Never recover the refrigerant to the outdoor unit.
• For the refrigerant recovery work during reinstallation
• of repair work, be sure to use the refrigerant recovery unit.
• Recovery of refrigerant to the outdoor unit is unavailable;
• otherwise a serious accident such as explosion or
• injury may be caused.
– 108 –