Gree GMV-784WM/H-X - Pipeline Design and Installation; Pipe Size Selection Guide

GMV DC Inverter VRF
24
Outdoor Model
Gas pipe size(mm)
Liquid pipe size(mm)
GMV-1565WM/H-X
Φ44.5 Φ
22.2
GMV-1630WM/H-X
Φ
44.5
Φ
22.2
GMV-1680WM/H-X
Φ
44.5
Φ
22.2
GMV-1734WM/H-X
Φ
44.5
Φ
22.2
GMV-1790WM/H-X
Φ
44.5
Φ
22.2
GMV-1845WM/H-X
Φ
44.5
Φ
22.2
GMV-1905WM/H-X
Φ
44.5
Φ
22.2
GMV-1959WM/H-X
Φ44.5 Φ22.2
GMV-2015WM/H-X
Φ51.4 Φ25.4
GMV-2070WM/H-X
Φ51.4 Φ25.4
GMV-2125WM/H-X
Φ
51.4
Φ
25.4
GMV-2180WM/H-X
Φ
51.4
Φ
25.4
GMV-2245WM/H-X
Φ
51.4
Φ
25.4
GMV-2295WM/H-X
Φ
51.4
Φ
25.4
GMV-2349WM/H-X
Φ
51.4
Φ
25.4
GMV-2405WM/H-X
Φ
51.4
Φ
25.4
GMV-2460WM/H-X
Φ
51.4
Φ
25.4
(5) If the liquid pipe is enlarged for a situation from (2) ~ (4), please do not enlarged any more.
(6) If the length between an IDU and its nearest branch is above 15m, then increase the size of
the liquid pipe (only for the pipe size that is≤6.35mm) and gas pipe (only for the pipe size
that is≤9.52mm) of IDU.
3.3.4 Connection Pipe among Outdoor Modules
(1) The pipe among the outdoor modules must be at the same level or tilted upwards. Otherwise,
the refrigeration oil will remain in the pipe.
Fig. 3.3.2
Fig. 3.3.3