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Vacuum pump
Vacuuming pipe
1. Completely connect the indoor/outdoor unit pipes.
2. Connect the manifold gauge to the service valve port of the low pressure side on the outdoor unit.
3. Execute vacuum pump for over 30 minutes.
- If the pipe extension is larger, time of the vacuum pump should also get longer.
4. After degree of vacuum has been established, open the service valve
➀
~
➁
as shown in the illustration.
- Use soapsuds to check for refrigerant leakage on the connection part of the pipes
2
1
F&T Condenser
Outdoor unit
Air flow
Sensor
EEV
Compressor
Indoor unit heat
exchanger
Service Valve
Service Valve
f
f
Vacuuming air conditioner
- Execute vacuum pump on the manifold gauge connected to low pressure side
➁
, to purge the air from the pipes and indoor unit.
칠레향 FAC MEMORY 냉난방_IBIM_EN_03892A(5).indd 50
2014-03-12 오전 9:33:17