Refrigerant Charging - LG MULTI V mini R410A Manual Del Usuario

Refrigerant Piping

3. Refrigerant charging

Follow following procedure to charge the refrigerant.
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, the compressor will be damaged when unit
starts to run, and the unit will display ch26 error.
If trying to keep running under this condition, compressor will be broken.
40 Outdoor Unit
Open
Charging during
Open
cooling operation