LG Multi V Installation Manual

40 Outdoor Unit
Pipe connections between indoor and outdoor unit
n Pipe connection between outdoor units
(General Case)
n Pipes between outdoor units are
2m(6.6ft) or less
n Pipes between outdoor units are
2m(6.6ft) or longer
n Examples of Wrong Pipe Connections
The maximum pipe length
after the first branching
between the outdoor units is
10m(33ft) or less
2m(6.6)ft or less
Oil Trap
Oil Trap Oil Trap
2m(6.6ft) or less
2m(6.6ft) or less
2m(6.6ft) or less
0.2m(0.66ft) or more
2m(6.6ft) or longer
2m(6.6ft) or longer2m(6.6ft) or longer
• If the distance between the outdoor units becomes more than 2m(6.6ft), apply Oil Traps between the gas pipes.
• If the outdoor unit is located lower than the main pipe, apply Oil Trap.
If the main pipe is higher
than the outdoor units, oil
is accumulated in the
outdoor unit.
If there are differences in the height
between the outdoor units, oil is
accumulated in the lower outdoor unit.
Oil Trap
u Pipe Connection Method/Precautions for Series connections between Outdoor units
- Separate Y branch joints are needed for series connections between outdoor units.
- Please refer to the below connection examples to install pipe connections between outdoor units.

LG Multi V Specifications

General

Type	VRF (Variable Refrigerant Flow)
Compressor Type	Scroll
Refrigerant	R410A
Energy Efficiency	High
Control System	Centralized and individual control options
Indoor Units	Multiple types available (e.g., ceiling cassette, wall-mounted, ducted)