Gree Ultra Heat GMV-V72W/A-F, Service Manual

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Ultra Heat GMV VRF Technical Service Manual INSTALLATION
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drill, air screw driver and screwdriver.
3) Basic operation of connecting an ODU to static pressure ventilating duct
Two methods are available to connect an ODU to static pressure ventilating duct.
Method 1: Reserve the unit top case. Detailed operations are as follows:
a). Install the ODU (2) and steel-plate ventilating duct (1). Use an air screw driver or screwdriver to
unfasten the tapping screws that fixing the top case component (3), and then remove the top case
component. Take out the grille from the top of the top case component and leave the top case.
b). Put the canvas casing inside out (4). Cover one end of the canvas casing over the unit
downward until the canvas end face is aligned with the unit or a bit higher than the top of the unit. Then,
put the top case back (3) and tightly press the canvas casing (4). Use tapping screws to fix the top case
onto the unit (3).
c). Pull up the canvas casing reversely (4) and use the steel bar (5) to press the canvas casing
tightly onto the counter flange of the steel-plate ventilating duct (1). Use a hand-operated electric drill to
drill holes and fasten the parts by using tapping screws.
d). Use the tin foil to seal the joints and check the joints' reliability.
Step 1 Step 2
Step 3 Step 4