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Refrigerant Piping
Selection of Y Branch and Header
1. Y Branch
Models
ARBLN01621
I.D19.05
I.D25.4
ARBLN03321
ARBLN07121
O.D22.2
I.D34.9
ARBLN14521
O.D22.2
For example. Indicated Ø9.52 is the outer diameter(O.D..) of field jointed piping
32
Outdoor Unit
Gas pipe
I.D12.7
I.D15.88
281
292
O.D15.88
70
I.D22.2
I.D19.05
I.D15.88
1
I.D15.88
390
413
I.D22.2
I.D28.58 O.D25.4
O.D19.05
3
1
70
80
I
D .
2
. 8
8 5
I
D .
1
I.D31.8
I.D19.05
376
404
I.D28.58
I.D31.8
I.D34.9 O.D31.8
2
1
120
90
I.D41.3
I.D38.1
471
517
I.D19.05 I.D15.88
I.D41.3
O.D38.1
3
2
120
90
I.D12.7
O.D28.58
3
2
O.D15.88
I.D12.7
I.D15.88
I.D15.88
74
I.D12.7
I.D12.7
I.D19.05
I.D12.7
2
I.D19.05
83
I.D12.7
3
I.D22.2
O.D19.05
I.D25.4
2
110
I.D19.05
2 2
2 .
I.D15.88
2
I.D15.88
96
I.D12.7
3
I.D22.2
O.D19.05
I.D28.58
3
120
I.D34.9
I.D38.1
I.D28.58
2
I.D28.58
125
I.D34.9
I.D22.2
3
I.D38.1
O.D34.9
3
I.D41.3
O.D15.88
130
I.D22.2
I.D19.05
Liquid pipe
I.D.6.35
I.D9.52
1
281
292
1
O.D9.52
70
I
D .
. 9
2 5
I.D12.7
321
332
I.D12.7
I.D15.88
I.D15.88
I.D15.88 I.D19.05
I.D19.05
371
394
O
D .
2 1
7 .
I
D .
. 9
2 5
I.D6.35
3
110
I.D15.88
I.D19.05
1
I.D22.2
416
444
I.D12.7
O.D19.05
I.D9.52
I.D22.2
2
3
110
80
[unit:mm]
I.D6.35
I.D9.52
I.D.6.35
74
I.D.9.52
I.D12.7
I.D9.52
I
D .
. 6
5 3
I.D12.7
74
I.D9.52
I.D6.35
I.D19.05
I.D12.7
2
I.D12.7
83
3
O.D12.7
I
D .
. 9
2 5
2
70
I.D19.05
I.D22.2
I.D15.88
2
I.D15.88
I.D19.05
I.D12.7
96
3
I.D9.52
O.D12.7
I.D6.35
3
110
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