Gree GMV-H224WL/A-X Owner's Manual page 15

Total capacity of downstream indoor units C (kW)
4.2.6 Dimension of Pipe between Indoor Branch and IDU
Dimension of pipe between indoor branch and IDU should be consistent with the dimension of
indoor pipe.
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C ≤5.6
5.6＜C≤14.2
14.2＜C≤22.4
22.4＜C≤33.5
DC Inverter Multi VRF System
Fig.8
Gas pipe（mm）
Φ12.7
Φ15.9
Φ19.05
Φ25.40
Fig. 9
12
Liquid pipe（mm）
Φ6.35
Φ9.52
Φ9.52
Φ12.70