MULTI VRF-Ⅱ  INDOOR UNIT SERVICE MANUAL    EUROPEAN/LATIN AMETICA (R410A) 
 
137 
Precondition: The power supply has been disconnected.
 
Remove the 
line connecting 
to the motor. 
●Use a screwdriver to unscrew 
the electric box cover. 
●Remove from the master 
board the line connecting to the 
motor and remove the tie. 
Remove the 
motor、
Remove the 
motor from the 
support 
●Use a screwdriver to unscrew 
the motor、volute casing 
subassembly and joint slack。 
●Loosen the fasteners of the 
motor ,remove the motor from 
the support 
●Remove the volute casing 
subassembly as well 
Remove the 
centrifugal fan 
●Remove the volute casing 
●Use a hexagon to unscrew 
the centrifugal fan,remove it 
from motor axle 
Replace the 
motor with a 
new one. 
●Assemble units based on the 
reverse order of this procedure 
and power on the units for 
test.