Gree GMV-224WM/B-X Owner's Manual page 21

4.2.5.3 Fitting pipe between two manifolds from basic modules
Pipe size (between two manifolds from basic modules)is based on the total capacity of upstream modules.
Total capacity of upstream
modules Q(kW)
22.4 Q
28.0 Q 22.4
40.0 Q 28.0
45.0 Q 40.0
68.0 Q 45.0
96.0 Q 68.0
135.0 Q 96.0
Q 135.0
4.2.5.4 Fitting pipe between the first manifold from indoor unit and the end manifold from
outdoor unit
Single module unit
Basic Module(single module)
GMV-224WM/B-X
GMV-280WM/B-X
GMV-335WM/B-X
GMV-400WM/B-X
GMV-450WM/B-X
Outdoor unit1 Outdoor unit2
Fitting pipe between outdoor manifolds
Fig.23
Pipe size between manifolds
Gas Pipe(mm)
Φ19.05
Φ22.2
Φ25.4
Φ28.6
Φ28.6
Φ31.8
Φ38.1
Φ44.5
Outdoor unit
The 1st
branch section
Fitting pipe between outdoor unit
and the first indoor manifold
Fig.24
Pipe between ODU and the first branch of IDU
Gas Pipe(mm)
Φ19.05
Φ22.2
Φ25.4
Φ25.4
Φ28.6
18
D.C. Inverter Multi-variable Modular
Outdoor unit3
Liquid Pipe(mm)
Φ9.52
Φ9.52
Φ12.7
Φ12.7
Φ15.9
Φ19.05
Φ19.05
Φ22.2
Liquid Pipe(mm)
Φ9.52
Φ9.52
Φ12.7
Φ12.7
Φ12.7