Panasonic CS-C9DKZW Service Manual page 51

11.2.2. Balance refrigerant of the 3-way valves
(Gas leakage)
Procedure:
1. Confirm that both the 3-way valves are set to the open
position.
2. Connect the charge set to the Gas side 3-way valve's
port.
• Leave the valve on the charge set closed.
• Connect the charge hose with the push pin to the
service port.
3. Open the valves (Lo side) on the charge set and
discharge the refrigerant until the gauge indicates 0
2
kg/cm G.
• If there is no air the refrigeration cycle [the pressure
when the air conditioner is not running is higher than 1
2
kg/cm G], discharge the refrigerant until the gauge
indicates 0.5 to 1 kg/cm
be necessary to apply an evacuation.
• Discharge the refrigerant gradually; if it is discharged
too suddenly, the refrigeration oil will also be
discharged.
2
G. If this is the case, it will not
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CS-C9DKZW CU-2C18DKH / CS-C9DKZW CU-3C20DKH