LG ARWN160BA2 Installation Manual page 21

3 Outside Units
Combination specification
Y branch
A
To outside unit
A
To branch piping or indoor unit
B
Connecting
Gas pipe
branch pipe
Don't cut the pipe less
than 70mm
I.D28.58
ARCNN20
45
I.D28.58
I.D34.9
I.D19.05
Don't cut the pipe less
than 70mm
I.D28.58 I.D28.58
I.D19.05
ARCNN30
38
I.D22. 2
I.D15.88 I.D19.05 I.D19.05
75
B
Viewed from point A
in direction of arrow
Refrigerant piping installation
Blow nitrogen
while brazing
I.D15.88
24
I.D34.9 I.D41.3
I.D12.7
I.D19.05
I.D38.1
370
440
O.D28.58
I.D22.2
115
Blow nitrogen
while brazing
I.D12.7
I.D9.52
I.D28.58
I.D34.9 24
I.D12.7
I.D31. 8
363
473
I.D9.52
I.D22.2
I.D38.1
O.D28.58 O.D34.9
115 83
Facing
downwards
Within +/- 10°
Within ± 3°
Installation Manual 21
(unit : mm)
Liquid pipe
I.D12.7
I.D19.05
I.D22.2
289
397
I.D9.52 O.D12.7
73
I.D19.05 I.D12.7
I.D15.88
331
401
O.D12.7 I.D19.05 I.D22.2
73 80
Facing
upwards
Within ± 3°