LG ARUN80LN3 Installation Manual page 24

Refrigerant piping installation
Connection of Outdoor units
2 outdoor units
Outdoor units
C
2 Unit
C
3 Unit
C
4 Unit
For more information, refer accessory installation manual.
Common pipes
I.D.19.05
O.D.19.05
Field Supply (Not provided by LG)
Y branch
A
To outdoor unit
A
To branch piping or indoor unit
B
24 Outdoor Unit
Model
ARCNN21
C
ARCNN31
ARCNN41
A
C
I.D.19.05
O.D.19.05
B
Gas pipe
416
408
I.D.28.58 I.D.28.58
I.D.22.2
I.D.31.8 I.D.34.9
I.D.41.3 I.D.38.1 O.D.34.9
I.D.28.58
130
341
298
I.D.41.3 I.D.34.9
O.D.34.9
I.D.41.3
I.D.28.58
125
415
375
I.D.41.3
I.D.44.48 I.D.53.98
I.D.28.58
Within +/- 10
Viewed from point A
in direction of arrow
Liquid pipe
331
314
I.D.15.88
I.D.12.7
I.D.19.05
111
I.D.22.2 O.D.19.05
70
334
281
111
I.D.22.2 I.D.19.05
334
281
I.D.22.2 I.D.19.05
134
I.D.25.4 O.D.22.2
80
Facing Facing
downwards upwards
Within ± 3° Within ± 3°
[Unit : mm]
I.D.15.88
I.D.9.52
83
I.D.12.7 I.D.15.88
I.D.19.05 83
I.D.15.88 I.D.12.7
I.D.19.05 83
I.D.15.88 I.D.12.7