LG LS-B0760CM/B0760HM Service Manual page 48

2) Balance refrigerant of the 2-way, 3-way valves
(Gas leakage)
(Low handle)
• Procedure
(1) Confirm that both the 2-way and 3-way 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 with the push pin to the
service port.
Indoor unit
Lo
OPEN
Liquid side
Open
2-Way
valve
Gas side
Open
3-Way
valve
Manifold
Gauge
CLOSE
(High handle)
(3) Open the valve (Low handle) on the charge set and
discharge the refrigerant until the gauge indicates
0 kg/cm G.
2
- 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
the gauge indicates 0.5 to 1 kg/cm
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.
- 48 -
Outdoor unit
G), discharge the refrigerant until
2
G. If this is the
2