Installation Of The Connection Pipe - Gree Ultra Heat GMV Multi VRF Series Owner's Manual

Connecting method is shown as in the Fig.23.
4.3.6.1 Branch selection of indoor unit of mode exchanger ("C1")
R410A refrigerant system
Y-type branch
4.3.6.2 Pipe size between mode exchanger and downstream and indoor unit ("m")
Rated capacity of indoor units:
X ((Btu/h)
48500＜X≤72000
72000＜X≤96000

4.4 Installation of the Connection Pipe

Notice: before welding the pipeline sealing cap, please make sure there's no refrigerant in pipeline.
If welding it directly, it may cause unnecessary property damage or personal injury.
4.4.1 Precautions when installing the connection pipe
Fig.22
Fig.23
Total rated capacity of downstream
indoor units: X(Btu/h)
48500<X≤96000
Size of connection pipe between indoor branch and indoor unit
Gas pipe mm(inch)
Φ19.05(3/4)
Φ22.2(7/8)
20
Ultra Heat GMV Multi VRF_Heat Recovery Serial
FQ01B/A
Liquid pipe mm(inch)
Φ9.52(3/8)
Φ9.52(3/8)
Model