Panasonic CS-C9BKNG, Service Manual, Page: 52 / 81

This is different from previous procedures.
Because you are charging with liquid
refrigerant from the gas side, absolutely do no
attempt to charge with large amount of liquid
refrigerant while operating the air conditioner.
4. Immediately disconnect the charge hose from the 3-way valve’s
service port.
- Stopping partway will allow the refrigerant to be discharged.
- If the system has been charged with liquid refrigerant while
operating the air conditioner, turn off the air conditioner
before disconnecting the hose.
5. Mount the valve stem caps and the service port cap.
- Use torque wrench to tighten the service port cap to a torque
of 18 N.m.
- Be sure to check for gas leakage.
12. Servicing Information
12.1. Indoor Electronic Controllers Removal Procedures
1. The Electronic Controller, a Signal Receiver and an Indicator ( Fig.
3 ) can be seen by the below steps:
- Remove the 2 caps and 2 screws at the bottom of the Front
Grille. ( Fig. 1 )
- Remove the Front Grille by releasing the 2 hooks at the top of
the Front Grille. ( Fig. 1 )
- Remove the Control Board Cover by releasing the 2 tabs at
left, 1 tab on top and 1 tab at right side of the Control Board
Cover. (
Fig. 2 )
2. To remove the Electronic Controller:
- Release the Particular Piece. ( Fig. 3 )
- Release the hook that hold the Electronic Controller. ( Fig. 3 )
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