LG MULTI V ARWN80LA2 Product Data page 126

9) Connecting branch pipe between outside units
2 Outside Units
Combination specification
3 Outside Units
Combination specification
* Install the branch pipe between outside units so that the outlet pipe is parallel to the surface.
To outdoor unit
A
B To branch piping or indoor unit
When installing the branch pipe vertically between the outside units, the refrigerant can be uneven
between the outside units, leading to compressor burn and reduced capacity
Installation
Connecting
Gas pipe
branch pipe
Execute the welding
while pouring
nitrogen
Do not cut for
70mm or less
I.D28.58
I.D28.58
I.D19.05
38
ARCNN20
I.D22. 2
473
I.D22.2
I.D15.88 I.D19.05 I.D19.05 O.D28.58
75 115
Connecting
Gas pipe
branch pipe
Don't cut the pipe less
than 70mm
I.D28.58 I.D28.58
I.D19.05
ARCNN20 38
I.D22.2
473
I.D22.2
I.D15.88 I.D19.05 I.D19.05 O.D28.58
75 115
Blow nitrogen
Don't cut the pipe less
while brazing
than 70mm
I.D28.58
ARCNN30
45
I.D28.58
370
I.D34.9
440
I.D22.2
I.D19.05
115
Viewed from point A
in direction of arrow
Liquid pipe
I.D12.7
I.D9.52
24
I.D28.58
I.D34.9
I.D12.7
401
I.D31. 8
363
I.D38.1
O.D34.9
I.D9.52 O.D12.7
83
73
Liquid pipe
Blow nitrogen
while brazing
I.D12.7
I.D9.52
24
I.D28.58
I.D34.9
I.D12.7
401
I.D31.8
363
I.D38.1
O.D34.9 I.D9.52 O.D12.7 I.D19.05
73
83
I.D12.7
I.D15.88
24
I.D34.9 I.D41.3
I.D12.7
I.D19.05
397
I.D38.1
O.D28.58
I.D9.52 O.D12.7
73
Within +/- 15°
(unit : mm)
I.D19.05 I.D12.7
I.D15.88
331
I.D19.05 I.D22.2
80
(unit : mm)
I.D19.05
I.D12.7
I.D15.88
331
I.D22.2
80
I.D19.05
I.D22.2
289
14
14