Gree GMV-WQ120WM/A-F, Owner'S Manual

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Water-cooled Heat Recovery DC Inverter VRF
11
4.2.5.6 Piping size among upstream branches of mode exchanger (“n1/n2/n3/n4”)
Total rated capacity of
downstream indoor units:
C(Btu/h)
Size of connection pipe between branches of mode exchanger
Low pressure gas pipe
mm(in.)
Liquid pipe
mm(in.)
High pressure gas pipe
mm(in.)
Q≤17100 Φ12.7(1/2) Φ6.35(1/4) Φ12.7(1/2)
17100
＜ Q≤48500
Φ15.9(5/8) Φ9.52(3/8) Φ12.7(1/2)
48500
＜ 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)
120000
＜ Q≤144000
Φ28.6(1-1/8) Φ12.7(1/2) Φ22.2(7/8)
144000
＜ Q≤168000
Φ28.6(1-1/8) Φ15.9(5/8) Φ22.2(7/8)
4.2.5.7 Piping size among downstream branches of mode exchanger “a / h”
Rated capacity of indoor unit
C(Btu/h)
Size of piping among downstream branches of mode exchanger
Gas Pipe mm(in.) Liquid Pipe mm(in.)
C≤9500 Φ9.52(3/8) Φ6.35(1/4)
9500
＜ C≤17100
Φ12.7(1/2) Φ6.35(1/4)
17100
＜ C≤48500
Φ15.9(5/8) Φ9.52(3/8)
4.2.5.8 Branch selection of downstream indoor unit of mode exchanger (“B1/B2/B3”)
R410A refrigerant system
Total rated capacity of downstream indoor
units: X(Btu/h)
Model
Y-type branch
X≤48500
FQ01A/A
4.2.5.9 Piping size between mode exchanger and downstream indoor unit (“b / c / d / g”)
Rated capacity of indoor unit
C(Btu/h)
Pipe between mode exchanger and IDU
Gas Pipe mm(in.) Liquid Pipe mm(in.)
C≤9500 Φ9.52(3/8) Φ6.35(1/4)
9500
＜ C≤17100
Φ12.7(1/2) Φ6.35(1/4)
17100
＜ C≤48500
Φ15.9(5/8) Φ9.52(3/8)
4.2.5.10 Piping between indoor branch and indoor unit (“e / f / i / j / k”)
Size of connection pipe between indoor branch and indoor unit should be consistent with the
connection pipe of indoor unit.
Piping between indoor branch and indoor unit “e / f / i / j / k”.
Rated capacity of indoor units:
X ((Btu/h)
Size of connection pipe between indoor branch and indoor unit
Gas pipe mm(in.) Liquid pipe mm(in.)
C≤9500 Φ9.52(3/8) Φ6.35(1/4)
9500
＜ C≤17100
Φ12.7(1/2) Φ6.35(1/4)
17100
＜ C≤48500
Φ15.9(5/8) Φ9.52(3/8)