LG Multi V Installation Manual

36 Outdoor Unit
Pipe connections between indoor and outdoor unit
u Combination of Y branch/header method
1 Outdoor Units
Example : 5 Indoor Units connected
Ⓐ : Outdoor Unit
Ⓑ : 1st branch (Y branch)
Ⓒ : Y branch
Ⓓ : Indoor Unit
Ⓔ : Header
Ⓕ : Sealed piping
L 492ft(150m)(656ft(200m) : Conditional application)
131ft(40m)(295ft(90m) : Conditional application)
L 361ft(110m)
49ft(15m)
Branch pipe can not be used after header
Branch pipe can not be used after header
2 Outdoor Units
Example : 5 Indoor Units connected
Ⓐ : Outdoor Unit
Ⓑ : 1st branch
Ⓒ : Y branch
Ⓓ : Indoor Unit
Ⓔ : Connection branch pipe be-
tween Outdoor units:
ARCNN21
Ⓕ : Header
Ⓖ : Sealed piping
33ft
(10m)
or less
H 361ft(110m)
49ft(15m)
Master
Slave
Master
Slave
Master
Slave
L 492ft(150m)(656ft(200m) : Conditional application)
131ft(40m)(295ft(90m) : Conditional application)
ODU Capacity
Master Slave

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)