Gree GMV-V72W/A-F Owner's Manual page 11

Ultra Heat GMV Multi VRF
3.2.3 Space dimension for multiple-module unit
For keeping good ventilation, make sure there are no obstructions above the unit.
When the unit is located at a half-open space (front and left/right side is open), install the unit as per
the same or opposite direction.
Fig.5
Fig.6
7