Gree GMV-224WM/G-X Owner's Manual page 20

GMV DC Inverter VRF
(5) If the wall exceeds the above value, increase the space as follows.
(6) If there is an obstacle above the unit, install the unit as follows.
In principle, the top of the unit is required to be more than 3000 mm from the top wall. If the space
around the front, back, left and right sides of the unit is open space, the top of the unit is required to
be 1500mm or more from the top wall, as shown in the fig. as below. If the size is less than 1500mm,
or if the space around the unit is not open, you need to connect an exhaust duct for smooth ventilation,
as shown below.
3.2.4 Installation Space Requirements for Equipment Floor
When the outdoor unit is installed in the equipment floor, it needs to connect an air exhaust duct.
The opening ratio of the shutters in the equipment floor is not less than 60%, and the horizontal
angle of louvers is less than 20°.
Fig.3.2.8
Fig.3.2.9
16
Unit: mm
Unit: mm