LG ARUN115DT2 Installation Manual page 31

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:
ARCNN20
: Header
: Sealed piping
Refrigerant piping installation
Branch pipe can not be used after header
Slave
Master
10m
(32.8ft)
or less
Branch pipe can not be used after header
L 150m(492ft)
40m(131ft)
L 150m(492ft)
40m(131ft)
Installation Manual 31