Gree GMV-335WM/G-X - Pipe Sizing for Indoor Branches

GMV DC Inverter VRF
24
Basic module
Pipe between ODU and the first branch of IDU
Gas pipe(mm)
Liquid pipe(mm)
GMV-615WM/G-X
Φ28.6
Φ15.9
GMV-680WM/G-X
Φ28.6
Φ15.9
(3) Fitting pipe "B" between outdoor unit manifold; fitting pipe "C" from outdoor unit to indoor
manifold.
Pipe size (between two manifolds from basic modules) is based on the total capacity of upstream
modules.
Total capacity of upstream module
Q(kW)
Pipe size between manifolds
Gas pipe(mm) Liquid pipe(mm)
Q≤25.2
Φ19.05
Φ9.52
25.2<Q≤30.0 Φ22.2 Φ9.52
30.0<Q≤40.0 Φ25.4 Φ12.7
40.0<Q≤45.0 Φ28.6 Φ12.7
45.0<Q≤68.0 Φ28.6 Φ15.9
68.0<Q≤96.0 Φ31.8 Φ19.05
96.0<Q≤135.0
Φ38.1
Φ19.05
135.0<Q≤186.0
Φ41.3
Φ19.05
186.0<Q≤272.0
Φ44.5
Φ22.2
Q>272.0
Φ51.4
Φ25.4
(4) Fitting pipe "D" between indoor side manifolds.
Pipe size (between two manifolds at indoor unit side) is based on the total capacity of downstream
indoor unit(s).
Total capacity of downstream indoor
unit(s) X(kW)
Dimension of the pipe of indoor branch
Gas pipe(mm) Liquid pipe(mm)
X≤5.0 Φ12.7 Φ6.35
5.0<X≤14.2 Φ15.9 Φ9.52
14.2<X≤25.2 Φ19.05 Φ9.52
25.2<X≤30.0 Φ22.2 Φ9.52
30.0<X≤40.0
Φ25.4
Φ12.7
40.0<X≤45.0
Φ28.6
Φ12.7
45.0<X≤68.0
Φ28.6
Φ15.9
68.0<X≤96.0
Φ31.8
Φ19.05
96.0<X≤135.0 Φ38.1 Φ19.05
135.0<X≤186.0 Φ41.3 Φ19.05
186.0<X≤272.0 Φ44.5 Φ22.2
X>272.0 Φ51.4 Φ25.4
(5) Fitting pipe "E" between indoor unit and manifold.
Manifold should be matched with fitting pipe of indoor unit.
Rated capacity of indoor unit C(kW)
Pipe between indoor branch and IDU
Gas pipe(mm)
Liquid pipe(mm)
C≤2.8
Φ9.52
Φ6.35
2.8<C≤5.0
Φ12.7
Φ6.35
5.0<C≤14.2
Φ15.9
Φ9.52
14.2<C≤25.2
Φ19.05
Φ9.52
25.2<C≤30.0
Φ22.2
Φ9.52
30.0<C≤40.0
Φ25.4
Φ12.7
40.0<C≤45.0
Φ28.6
Φ12.7