Monsoons Must Be Considered During Odu Installation; Snow Must Be Considered During Odu Installation; Installation Space Requirement For Equipment Floor; Preparation Before Installing Static Pressure Ventilating Duct - Gree GMV-S120WL/A-S Service Manual

5.3.2 Monsoons must be considered during ODU installation

5.3.3 Snow must be considered during ODU installation.

In order to prevent covering the air supply and air return by snow, an air supply protective
cover and air return protective cover and one foundation shall be applied.

5.3.4 Installation space requirement for equipment floor

If the ODU is to be installed in the equipment floor, induced and exhaust air duct must be
connected;
In the equipment floor, the opening rate of shutters must be at least 80%, and the angle
between the shutters and the horizontal plane should be less than 20° .

5.3.4.1 Preparation before installing static pressure ventilating duct

1）The ODU is installed properly;
2） The steel-plate ventilating duct is designed based on the unit and engineering requirement,
and is installed properly according to the engineering standards;
3）Based on the unit dimensions and the size of steel-plate ventilating duct, prepare materials
such as canvas casing, tin foil, steel bar and tapping screw, as well as tools such as
hand-operated electric drill, air screw driver and screwdriver.
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