LG ARWB80LA2 - Branch Pipe

22 Outside Unit
Refrigerant piping installation
3 Outside Units
Connecting
branch pipe
Combination specification Gas pipe Liquid pipe
ARCNN20
ARCNN30
Slave1 Outside unit
gas pipe
Ø 31.8
Ø 28.58
Ø 28.58
Ø 19.05
Ø 22.2
Ø 28.58
Ø 34.9
Don't cut the pipe less
than 70mm
Blow nitrogen
while brazing
OD28.58
Ø19.05
Ø22.2
Ø38.1
OD34.9
Ø15.88
OD19.05
Slave1 Outside unit pipe
Ø 12.7
Ø 9.52
Ø 12.7
Ø 15.88
Ø 19.05
Ø 12.7
Ø22.2
OD19.05
Ø9.52
OD12.7
Main pipe
Master Outside
unit gas pipe
Ø 38.1
Ø 34.9
Ø 34.9
Ø 28.58
Ø 28.58
Ø 41.3
Don't cut the pipe less
than 70mm
Blow nitrogen
while brazing
OD28.58
Ø19.05
Ø22.2
Main pipe
Master Outside unit pipe
Ø 12.7
Ø 19.05
Ø 12.7
Ø 15.88
Ø 22.2
Ø 19.05
Ø9.52
OD12.7
(unit : mm)
Y branch
A
B
To outdoor unit
To branch piping or indoor unit
A
B
Facing
upwards
Facing
downwards
Within ± 3° Within ± 3°
Viewed from point A
in direction of arrow
Within +/- 10°