Panasonic CS-C9BKNG Service Manual page 51

Procedure:
1. Connect the charge hose to the charging cylinder.
- Connect the charge hose which you disconnected from the
vacuum pump to the valve at the bottom of the cylinder.
2. Purge the air from the charge hose.
- Open the valve at the bottom of the cylinder and press the
check valve on the charge set to purge the air (be careful of
the liquid refrigerant).
3. Open the valve (Low side) on the charge set and charge the
system with liquid refrigerant.
- If the system cannot be charged with the specified amount of
refrigerant, it can be charged with a little at a time
(approximately 150 g each time) while operating the air
conditioner in the cooling cycle; however, one time is not
sufficient, wait approximately 1 minute and then repeat the
procedure. (pumping down-pin)
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