
41
13.4 New installation, Relocation, Repairing of Refrigerant Cycle System The
Procedures
Operation testing
New
Installation
Relocation
Repairing refrigerant cycle
Pump down
Refrigerant recovery
Prevention of impurity
Leakage checking
Insertion of refrigerant
• Dismantling indoor / outdoor units
• Repairing by brazing
Evacuation (Air purging) new installation and relocation for at or
more than 15 minutes, re-charging at or more than 60 minutes
Indoor / outdoor units and piping
• Displacing pipes and wires, and displacing indoor / outdoor units
・
Indoor / outdoor units installation and piping, and wiring
Removal