LG MULTI V Installation Manual page 36

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
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
36 Outdoor Unit
L 492ft(150m)(656ft(200m) : Conditional application)
Branch pipe can not be used after header
Slave
Master
33ft
(10m)
or less
Branch pipe can not be used after header
131ft(40m)(295ft(90m) : Conditional application)
Slave Slave
Master Master
ODU Capacity
L 492ft(150m)(656ft(200m) : Conditional application)
131ft(40m)(295ft(90m) : Conditional application)
Master Slave