LG Multi V Manual page 34

Function
Refrigerant charging procedure after pump down
Always follow following procedure to charge the refrigerant after pump down.
1. Open all service valves
2. Run the unit with cooling mode
3. Charging the refrigerant to gas service valve during operation.
Refrigerant
cylinder
CAUTION
Never charge the refrigerant with service valves closed and unit stopped.
If charging is carried out with service valves closed and unit stopped after pump down, the compressor will be
damaged when unit starts to run, and eventually compressor will be broken.
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Only for training and service purposes
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Charging during
Open
cooling operation
LGE Internal Use Only