LG LS-E0960CL Manual page 47

3. Evacuation
(All amount of refrigerant leaked)
Vacuum pump
• Procedure
(1) Connect the vacuum pump to the charge set's
center hose
(2) Evacuation for approximately one hour.
– Confirm that the gauge needle has moved
toward -76 cmHg (vacuum of 4 mmHg or less).
(3) Close the valve (Lo side) on the charge set,
turn off the vacuum pump, and confirm that
the gauge needle does not move (approxima-
tely 5 minutes after turning off the vacuum
pump).
(4) Disconnect the charge hose from the vacuum
pump.
– Vacuum pump oil.
If the vacuum pump oil becomes dir ty or
depleted, replenish as needed.
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Liquid side
Indoor unit
Lo
OPEN
CLOSE
2-Way
valve
Open
Gas side
3-Way
valve
Open
- 47 -
Outdoor unit
LGE Internal Use Only