Service manual

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4�2 Indoor Unit
4.2.1Duct type
Assembly and Disassembly of the Electric Fan
Remarks: Prior to the assembly and disassembly, make sure the power supply is cut off.
Steps Illustrations Operation Instructions
1.Pull out the electric
wire of the motor.
● Cut off the power supply of the
indoor unit, open the cover plate of
the electric box and then pull out
the electric wire inside the box.
2.Remove the cover
plate for return air.
●Loosen the screws used to
xed the cover plate for return
air with a screwdriver.
3. Remove the rear volute
● Undo the buckle of the rear
and front volutes and then
remove the rear volute away.
4. Remove the front volute
● Loosen the screws used
to x the front volute and
then remove it away.
5. Loosen the fan blade
and fan motor
●Loose the screws used to x
the fan blades and then undo the
buckle used to x the motor.
6.Remove the motor away.
● Separate the motor always
from the motor frame, remove
the fan blade, and lastly take
the motor out from the return
air frame. As for the motor
7. Repalce the motor.
● Assemble the fan as the
reverse disassembly order and
then take a power-on test.
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