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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.
Y branch
A
A
To outdoor unit
B
To branch piping or indoor unit
24
Outdoor Unit
Model
ARCNN21
C
ARCNN31
ARCNN41
A
C
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
13 0
341
298
I.D.41.3
I.D.34.9
I.D.41.3
O.D.34.9
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
8 0
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
83
I.D.19.05
I.D.15.88
I.D.12.7
I.D.19.05
83
I.D.15.88
I.D.12.7
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