Refrigerant Releasing Procedure - Panasonic OCU-CR200VF5 Service Manual

Refrigerant Releasing Procedure

1. Service piping attachment
1) Check that the access ports of the high pressure and low pressure service valves have been
closed. (The back seated position)
2) Attach the service piping with the joint valve in "Closed" condition.
3) Fasten the nuts by hand up to the condition shown below, and then fasten them with a tool.
Fastening torque of 13  1N・m is recommended for the nuts.
Note: Fastening it too tight may deform the packing.
Low pressure
service valve
High pressure
service valve
2. Refrigerant releasing
1) Set the evacuation mode.
2) Set the low pressure and high pressure service valves to the Mid-position. (The access ports
are open.)
3) Slowly open the joint valve to release refrigerant.
The rapid release of refrigerant could cause refrigerant oil to be
Caution
released together with refrigerant.
8
Service piping
(SPK-TU125)
Joint valve