DC INVERTER MULTI VRF MAINTENANCE
218
z
Ultra-thin Duct-Type Unit
Removal and Assembly of Fan Motor
Remarks: Before removing the fan, make sure to cut off the power firstly.
Step Illustration Handling Instruction
1. Unplug the
motor cables
●
Cut off the power supply
of indoor unit. Use
screwdriver to remove the
electric box cover and
unplug the motor cables
in electric box.
2. Remove the
back propeller
housing
●Loosen the clamp
between back propeller
housing and front
propeller housing.
Remove the back
propeller housing
3. Remove the
front propeller
housing
●Use screwdriver to
loosen the screws fixing
the front propeller
housing. Remove the
front propeller housing.
4. Loosen the fan
and motor.
●
Use inner hexagonal
spanner to loosen the
screws on fan and
remove the clamp fixing
the motor.
5. Remove the
motor
●
Firstly, disengage the
motor from motor support
and then disengage the
fan from the motor. Then,
remove the motor from
the lower return air inlet
frame. In which, for the
motor with automatic
motor support, the motor
support shall be removed
in advance and then
changed to the unit.
6. Replace with a
new motor
●
Assemble the unit in
reverse to the
disassembly procedures
and energize it for testing.
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