LG multi V ARUN Series Installation Manual page 33

u
Header Method
1 Outdoor Unit
Example : 6 Indoor Units connected
Ⓐ : Outdoor Unit
Ⓑ : 1st branch
Ⓒ : Indoor Units
Ⓓ : Sealed piping
2 Outdoor Units
Example : 6 Indoor Units connected
Ⓐ : Outdoor Unit
Ⓑ : Header branch
Ⓒ : Indoor Units
Ⓓ : Sealing
Ⓔ : Connection branch pipe
between Outdoor units:
ARCNN21
Pipe connections between indoor and outdoor unit
Slave
Slave
Master
10m or
less
L 200m
40m
Slave
Master Master
ODU Capacity
Master ≥ Slave
L 200m
40m
Installation Manual 33