Gree DC Inverter Multi VRF - Page 222

DC INVERTER MULTI VRF MAINTENANCE
219
z
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 cover of
return air inlet
●Use screwdriver to
remove the lower return
air inlet cover board.
3. Remove the back
propeller housing
●
Loosen the clamp
between back propeller
housing and front
propeller housing.
Remove the back
propeller housing.
4. Remove the front
propeller housing
●
Use screwdriver to
loosen the screws fixing
the front propeller
housing. Remove the
front propeller housing.
5. Loosen the fan and
motor.
●
Use inner hexagonal
spanner to loosen the
screws on fan and
remove the clamp fixing
the motor.
6. 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.