Combination Of Y Branch/Header Method - LG Multi V Plus II System Installation Manual

Refrigerant piping installation
N Combination of Y branch/header method
Example : 5 Indoor Units connected
: Outdoor Unit
: 1st branch (Y branch)
: Y branch
: Indoor Unit
: Header
: Sealed piping
Example : 5 Indoor Units connected
: Outdoor Unit
: 1st branch
: Y branch
: Indoor Unit
: Connection branch pipe
between Outdoor units:
ARCNN30
: Connection branch pipe
between Outdoor units:
ARCNN20
: Header
: Sealed piping
34 Outdoor Unit
Branch pipe can not be used after header
Slave
Slave
Master
10m or
less
Branch pipe can not be used after header
L 150m
40m
Master
L 150m
40m