Gree GMVVQ224WM/C-X Owner's Manual page 27

GMV Heat Recovery DC Inverter VRF
(2) The drop and the length of the pipe between the outdoor units are as follows.
NOTE：
When the distance A+B between the outdoor modules exceeds 2m, U-type oil trap should be
added at low-pressure gas pipe and is no more than 2m away from the outdoor manifold, and
A+B≤10m. The height drop among the outdoor units is 0m.
3.3.5 Size requirement for branch pipe and piping (main pipe)
(1) Connection sketch map of single-module system
Fig.3.3.5
Fig.3.3.6
Fig.3.3.7
23
Unit: m