Gree GMV-Y72WM/C-F Owner's Manual page 23

Photovoltaic Direct-driven Inverter VRF
4.2.5 Fitting pipe between Outdoor Unit and the First Manifold
4.2.5.1 For single module system, pipe size (between outdoor unit and the first
manifold) is determined by that of outdoor unit.
Pipe size of basic outdoor module is shown as follows:
Basic Module
GMV-Y72WM/C-F(U)
GMV-Y96WM/C-F(U)
GMV-Y120WM/C-F(U)
4.2.5.2 For multi-module unit, select appropriate manifold connected to outdoor
module as per the pipe size of basic module. Pipe size of basic outdoor module is
shown as follows:
Fig.4.2.7
Pipe between ODU and the first branch of IDU
Gas Pipe mm(in.)
Φ19.05(3/4)
Φ22.2(7/8)
Φ28.6(1-1/8)
Fig.4.2.8
19
Liquid Pipe m m(in.)
Φ9.52(3/8)
Φ9.52(3/8)
Φ12.7(1/2)