3. Thermal insulation of duct
Air-sending duct and air return duct shall
be thermally insulated . First stick the gluey
nail on the duct, then attach the heat
preservation cotton with a layer of tinfoil
paper and use the gluey nail cap to fix .
Finally use the tinfoil adhesive tape to seal
the connected part . As Figure shown .
lnstalling the suspension screw
Use M8 or M10 suspension screws (4, prepared in the field) (when the suspension screw height exceeds 0 .9m,
M10 size is the only choice) . These screws shall be installed as follows with space adapting to air conditioner
overall dimensions according to the original building structures .
A square wood shall be supported by the beams
and then set the suspension screws .
To set with embedded parts, foundation bolts etc .
Wooden structure
Use hole hinge, hole plunger or hole bolt .
New concrete slab
Use steel angle or new support steel angle
directly .
Hanging of the indoor unit
Fasten the nut on the suspension screw and then hang the suspension screw in the T slot of the suspension
part of the unit .
Aided with a level meter, adjust level of the unit within 5mm
Installation of indoor unit
Fix the indoor to the hanger bolts .
If required, it is possible to suspend the unit to the beam, etc . Directly by use of the bolts without using the hanger
bolts .
Note
When the dimensions of main unit and ceiling holes does not match, it can be adjusted with the slot holes of
hanging brackets .
Adjusting to levelness
Adjust the out-of levelness using a level or by the following method . Make adjustment so that the relation
between the lower surfarce of the unit proper and water level in the hose becomes as given below .
Unless the adjustment to the levelness is made properly, malfunctioning or failure of the float switch may occur .
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