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22 Outside Unit
Refrigerant piping installation
3 Outside Units
Connecting
branch pipe
Combination specification Gas pipe Liquid pipe
ARCNN20
ARCNN30
[mm(inch)]
125
341
298
111
I.D.41.3 O.D.34.9
I.D.34.9
I.D.41.3 I.D.34.9
I.D.28.58
I.D19.05
I.D22.2
O.D28.58
120
334
281
83
I.D.19.05
I.D.12.7 I.D.15.88
I.D.19.05I.D.22.2
O.D12.7
I.D6.35
I.D9.52
110
O.D19.05
I.D15.88
I.D12.7
110
83
314
331
I.D.15.88
I.D.19.05
I.D.15.88I.D.12.7
I.D.12.7
I.D.15.88
I.D.9.52
70
I.D.22.2
O.D.19.05
O.D15.88
I.D12.7
I.D9.52
110
130
408
416
111
I.D.28.58
I.D.34.9I.D.31.8
I.D.22.2
I.D.28.58
I.D.41.3 I.D.38.1 O.D.34.9
I.D.28.58
I.D19.05
I.D22.2
O.D28.58
120
• Ensure that the branch pipes are attached horizontally or vertically.(see the diagram below.)
Facing
upwards
Facing
downwards
Within 3°
Within 3°
Viewed from point A
in direction of arrow
Horizontal
plane
A
Within
±10
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