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MULTI V Water IV
8. Refrigerant Piping System
8.7 Selection of Y Branch and Header
8.7.1 Y branch pipe
Models
ARBLN01621
ARBLN03321
ARBLN07121
ARBLN14521
ARBLN23220
Heat Pump
Gas pipe
I.D12.7
I.D15.88
a
281
292
a
O.D15.88
I.D19.05
70
I.D22.2
I.D19.05
I.D15.88
a
I.D25.4
I.D15.88
390
413
I.D22.2
I.D28.58 O.D25.4
O.D19.05
c
a
70
80
I
D .
2
. 8
8 5
I
D .
a
I.D31.8
I.D19.05
376
404
I.D28.58
I.D31.8
I.D34.9 O.D31.8
b
a
O.D22.2
120
90
I.D41.3
I.D34.9
I.D38.1
471
517
I.D19.05 I.D15.88
I.D41.3
O.D38.1
c
b
O.D22.2
120
90
I.D12.7
O.D28.58
c
b
O.D15.88
I.D.44.48
I.D.53.98
I.D41.3
a
I.D.44.48
I.D41.3
420
490
I.D.34.9
I.D31.8
I.D.53.98
I.D.28.58
O.D.44.48
O.D.38.1
b
c
X2
b
c
175
100
I.D12.7
I.D.19.05
c
c
O.D15.88
O.D.22.2
70
I.D12.7
I.D15.88
I.D15.88
74
I.D12.7
I.D12.7
I.D19.05
I.D12.7
b
I.D19.05
83
I.D12.7
c
I.D12.7
I.D22.2
O.D19.05
I.D25.4
b
110
I.D19.05
I.D12.7
2 2
2 .
I.D15.88
b
I.D15.88
96
I.D12.7
c
I.D22.2
O
D .
O.D19.05
I.D28.58
c
c
120
I.D34.9
I.D38.1
I.D28.58
I.D15.88
b
a
I.D28.58
125
I.D34.9
I.D22.2
c
I.D38.1
O.D34.9
c
I.D41.3
O.D15.88
130
I.D22.2
b
I.D19.05
I.D38.1
b
I.D.44.48
I.D38.1
134
c
I.D.25.4
I.D.22.2
O.D.28.58
X2
c
115
I.D.15.88
120
Installation of Outside Units
Liquid pipe
I.D.6.35
I.D9.52
I.D9.52
a
I.D.6.35
I.D.9.52
281
292
a
O.D9.52
70
I.D12.7
I
D .
. 9
2 5
I.D9.52
I
D .
I.D12.7
I.D9.52
I.D6.35
321
332
I.D19.05
I.D15.88
I.D15.88
I.D12.7
I.D19.05
I.D15.88 I.D19.05
371
394
2 1
7 .
I
D .
. 9
2 5
I.D6.35
O.D12.7
I
D .
. 9
2 5
b
110
70
I.D19.05
I.D19.05
I.D22.2
I.D15.88
I.D22.2
I.D19.05
416
444
I.D12.7
O.D19.05
I.D9.52
I.D9.52
I.D22.2
O.D12.7
c
c
110
80
110
I.D.25.4
I.D25.4
I.D22.2
I.D.22.2
I.D.19.05
b
I.D.25.4
I.D.22.2
I.D.19.05
346
379
I.D.15.88
I.D9.52
O.D.19.05
I.D.12.7
O.D12.7
b c
X2
c
110
110
[unit:mm]
I.D6.35
74
. 6
5 3
74
I.D12.7
b
83
c
I.D15.88
b
I.D12.7
96
c
I.D6.35
96
c
I.D6.35
35
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