The remaining air in the Refrigeration cycle which contains
moisture may cause malfunction on the compressor.
1. Remove the caps from the 2-way and 3-way valves.
2. Remove the service-port cap from the 3-way valves.
3. To open the valve, turn the valve stem of 2-way valve
counter-clockwise approx. 90° and hold it there for ten
seconds, then close it.
4. Check gas-leakage of the connecting portion of the pipings.
5. To open 2-way valve again, turn the valve stem counter-
clockwise until it stops.
2) Air Purging
The air which contains a moisture is remaining in the Refrigeration cycle may cause a malfunction on the Compressor.
1. To purge the air, push the pin on the Gas side 3-way valve for three seconds using with a Hexagonal wrench and set it free
for one minute.
•
Repeat this three times.
2. To balance the refrigerant, close the low pressure side valve on the Manifold gauge and release a refrigerant from the piping
through service port until the gauge indicates 0.49 ~ 0.294 MPa.
3. Set the both 3-way valves to open position with the hexagonal wrench for the unit operation.
CS-C/A/V/W12CT
47
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5
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