Water-cooled Heat Recovery DC Inverter VRF
10
4.2.5.2 For single ODU system, select appropriate pipe between ODU and the first indoor branch (“L”)
according to the pipe size specification of ODU. Pipe size of basic outdoor module is shown as below:
Between ODU and the first indoor branch.
Basic module
Pipe between ODU and the first indoor branch
Low pressure gas pipe
mm(in.)
Liquid pipe
mm(in.)
High pressure gas pipe
mm(in.)
GMV-WQ72WM/A-F(U)
Φ19.05(3/4)
Φ9.52(3/8)
Φ15.9(5/8)
GMV-WQ96WM/A-F(U)
Φ22.2(7/8)
Φ9.52(3/8)
Φ19.05(3/4)
GMV-WQ120WM/A-F(U)
Φ28.6(1-1/8)
Φ12.7(1/2)
Φ22.2(7/8)
4.2.5.3 Size of connection pipe “M4” between branches of basic module
Size of connection pipe between branches of
basic module is determined by the total rated
capacity of upstream modules.
Connection pipe “M4” between branches of outdoor module.
Total rated capacity of
upstream modules:
Q (Btu/h)
Size of connection pipe between branches of outdoor module
Low pressure gas pipe
mm(in.)
Liquid pipe
mm(in.)
High pressure gas pipe
mm(in.)
Q≤72000
Φ19.05(3/4)
Φ9.52(3/8)
Φ15.9(5/8)
72000
＜
Q≤96000
Φ22.2(7/8)
Φ9.52(3/8)
Φ19.05(3/4)
96000
＜
Q≤120000
Φ28.6(1-1/8)
Φ12.7(1/2)
Φ22.2(7/8)
4.2.5.4 Size of connection pipe “L” between the terminal outdoor branch and the first indoor branch
Connection pipe “L” between outdoor unit and the first indoor branch.
Module
Size of connection between outdoor unit and the first indoor branch
Low pressure gas pipe
mm(in.)
Liquid pipe
mm(in.)
High pressure gas pipe
mm(in.)
GMV-WQ72WM/A-F(U)
Φ19.05(3/4)
Φ9.52(3/8)
Φ15.9(5/8)
GMV-WQ96WM/A-F(U)
Φ22.2(7/8)
Φ9.52(3/8)
Φ19.05(3/4)
GMV-WQ120WM/A-F(U)
Φ28.6(1-1/8)
Φ12.7(1/2)
Φ22.2(7/8)
4.2.5.5 Branch selection of mode exchanger (“A1, A2”)
Select branch of mode exchanger according to each total capacity of downstream indoor unit.
Please refer to the following table.
Model selection for branch “A1 / A2” of mode exchanger.
R410A refrigerant system
Total Capacity of the Downstream Indoor Unit X(Btu/h)
Model
Y-Type Branch Pipe
X≤17100
FQ01Na/A
17100
＜
X≤72000
FQ02Na/A
72000
＜
X≤96000
FQ03Na/A
96000
＜
X≤232000
FQ04Na/A
Содержание GMV-WQ120WM/A-F
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