• Procedure
(1) Confirm that both the liquid side and gas side
valves are set to the back seat.
(2) Connect the charge set to the 3-way valve's port.
-Leave the valve on the charge set closed.
-Connect the charge hose to the service port.
(3) Open the valve (Lo side) on the charge set and dis-
charge the refrigerant until the gauge indicates 0
kg/cm
2
G.
- If there is no air in the refrigerant cycle (the pres-
sure when the air conditioner is not running is high-
er than 1 kg/cm
2
G), discharge the refrigerant until
the gauge indicates 0.5 to 1 kg/cm
2
G. if this is the
case, it will not be necessary to apply an evacua-
tion.
- Discharge the refrigerant gradually; if it is dis-
charged too suddenly, the refrigeration oil will also
be discharged.
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