MULTI VRF-Ⅱ  INDOOR UNIT SERVICE MANUAL    EUROPEAN/LATIN AMETICA (R410A) 
 
142 
Precondition: The power supply has been disconnected.
 
7. Remove the 
front volute 
casing. 
●Use a screwdriver to unscrew 
the front volute casing and 
then remove the volute casing. 
8. Remove the 
centrifugal fan. 
●Loosen the fasteners that 
connect the coupler with the 
motor axle and remove the 
centrifugal fan. 
●Remove the motor from the 
support and remove the 
centrifugal fan from the motor 
axle. Then, remove the motor. 
●For motors that are 
accompanied with supports, 
the supports need removing 
as well. 
●Assemble units based on the 
reverse order of this procedure 
and power on the units for 
test.