Gree GMV5 Series Service Manual page 57

GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
Rated capacity of indoor unit C(kW)
C≤2.8
2.8＜C≤5.0
5.0＜C≤14.0
14.0＜C≤16.0
16.0＜C≤28.0
Pipe between indoor branch and IDU
Gas Pipe(mm)
Φ9.52
Φ12.7
Φ15.9
Φ19.05
Φ22.2
54
Liquid Pipe(mm)
Φ6.35
Φ6.35
Φ9.52
Φ9.52
Φ9.52