LG ARUN50LH2A Installation Manual page 22

Refrigerant Piping
1
1 Refrigerant piping
2 Pipe to be brazed
3 Nitrogen
WARNING
When installing and moving the air conditioner to another site, be sure to make recharge refrigerant
after perfect evacuation.
- If a different refrigerant or air is mixed with the original refrigerant, the refrigerant cycle may malfunction and
the unit may be damaged.
- After selecting diameter of the refrigerant pipe to suit total capacity of the indoor unit connected after
branching, use an appropriate branch pipe set according to the pipe diameter of the indoor unit and the
installation pipe drawing.
WARNING
Do not use anti-oxidants when brazing the pipe joints. Residue can clog pipes and break equipment.
22 Outdoor Unit
4
2
3
4 Taping
5 Valve
6 Pressure-reducing valve
6
5