Gree GMV-V72W/A-F Owner's Manual page 21

Ultra Heat GMV Multi VRF
Note: when the distance between outdoor units exceeds 2m (6-1/2 feet), U-type oil trap should be
added at low-pressure gas pipe. a≤10m (32-7/8 feet); b≤10m (32-7/8 feet).
4.3.5 Size requirement for branch pipe and piping
4.3.5.1 Connection sketch map of single-module system
Fig.18
Fig.19
Fig.20(a)
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