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7. Refrigerant Piping System
7.5 Selection of Y Branch and Header
7.5.1 Y Branch
Models
ARBLN01621
I.D19.05
1
I.D25.4
ARBLN03321
3
1
ARBLN07121
2
O.D22.2
I.D34.9
ARBLN14521
3
O.D22.2
ARBLN23220
I.D.34.9
O.D.38.1
2
3
Gas pipe
I.D12.7
I.D12.7
I.D15.88
1
I.D15.88
I.D12.7
281
292
1
O.D15.88
70
I.D22.2
I.D19.05
I.D15.88
I.D19.05
I.D19.05
I.D15.88
390
413
I.D22.2
I.D28.58 O.D25.4
O.D19.05
O.D19.05
1
2
70
80
I.D19.05
I
D .
2
. 8
8 5
I
D .
2 2
2 .
I.D15.88
I.D31.8
I.D19.05
376
404
I.D28.58
I.D31.8
I.D34.9 O.D31.8
O.D19.05
1
3
120
90
I.D34.9
I.D38.1
I.D41.3
I.D28.58
I.D38.1
I.D34.9
471
517
I.D19.05 I.D15.88
I.D41.3
O.D38.1
O.D34.9
2
3
120
90
I.D12.7
O.D28.58
I.D22.2
3
2
O.D15.88
I.D.44.48
I.D.53.98
I.D41.3
I.D38.1
2
1
I.D.44.48
I.D.44.48
I.D41.3
I.D38.1
420
490
I.D31.8
I.D.53.98
I.D.28.58
O.D.44.48
O.D.28.58
X2
X2
2
3
3
175
100
I.D12.7
I.D.19.05
3
3
O.D15.88
O.D.22.2
120
70
I.D15.88
I.D.6.35
I.D9.52
1
74
1
I.D12.7
70
I.D12.7
2
I
D .
. 9
2 5
83
I.D12.7
I.D12.7
3
I.D22.2
I.D25.4
110
I.D12.7
I.D15.88
I.D15.88
2
I.D19.05
96
I.D12.7
3
I.D22.2
O
D .
2 1
7 .
I
D .
. 9
2 5
I.D28.58
3
120
110
I.D28.58
I.D15.88
I.D19.05
2
1
125
I.D22.2
I.D22.2
3
I.D38.1
I.D41.3
I.D12.7
O.D15.88
I.D9.52
130
2
I.D19.05
110
I.D25.4
I.D22.2
134
3
I.D.25.4
I.D.22.2
I.D.15.88
O.D.19.05
115
I.D.15.88
2
3
110
[unit:mm]
Liquid pipe
I.D6.35
I.D9.52
74
I.D.6.35
I.D.9.52
281
292
O.D9.52
I.D12.7
I.D9.52
I
D .
. 6
5 3
I.D12.7
74
I.D9.52
I.D6.35
321
332
I.D19.05
I.D15.88
I.D12.7
2
I.D12.7
83
I.D15.88 I.D19.05
3
371
394
I.D6.35
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
416
3
444
O.D19.05
I.D9.52
I.D22.2
O.D12.7
I.D6.35
3
3
110
80
I.D.25.4
I.D.22.2
I.D.19.05
2
I.D.25.4
96
I.D.22.2
I.D.19.05
346
3
379
I.D9.52
I.D.12.7
O.D12.7
I.D6.35
X2
3
110
R410A(50/60Hz)
_ 19
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