Service valves
- The service valve for draining, vacuum pumping and filling with refrigerant
- Service valve for draining and vacuum pumping.
The service valves are used to:
- check the system through manometer connections
- drain the system of refrigerant
- vacuum pumping
- filling with refrigerant, high-pressure side only (1).
CAUTION:
Filling with refrigerant must only be carried out on the high-pressure side to prevent the risk of liquid refrigerant in the compressor.