LG ARUB80LT2 Installation Manual page 29

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.
1 Refrigerant piping
2 Pipe to be brazed
3 Nitrogen
1
WARNING
Do not use anti-oxidants when brazing the pipe joints.
Residue can clog pipes and break equipment.
Pipe Length between Outdoor Units
(Low pressure gas pipe, High pressure gas pipe, Liquid pipe)
= Product length (1,280) + Max. 10
1,280
1,280
4 Taping
5 Valve
6 Pressure-reducing valve
2
3
Max. 10
Distance between outdoor units
Max. 10
Distance between outdoor units
Refrigerant piping installation
6
4 5
Installation Manual 29
Unit: mm