Hitachi RAS-(3-6)HVNC1(E) - Page 455

10 Servicing
441
SMGB0087 rev.0 - 12/2013
10
10.9.5 Removing outdoor fan motor
1 Remove the service cover following “10.9.1Removingservicecover”.
2 Remove the outlet grille following “10.9.2Removingairoutletgrille”.
3 If necessary, remove the upper cover following “10.9.3Removinguppercover”.
4 To remove the propeller fan remove the cap nut and washer which x the propeller fan onto the motor shaft. (Use a
puller when the propeller fan and motor shaft are xed too tightly).
1
1 Upper cover
1 Fan motor lead wire.
2
Motor clamp.
3
Motor.
4
Screw with spacer.
5 Remove the fan motor connector from PCB in the electrical box.
Cut the plastic tie with nippers which xes the fan motor lead wire onto the motor clamp.
Remove 4 screws which x the motor.
Model RAS-12HNC
Fan motor
compressor
number
DC Fan Motor
Inverter PCB
CN406 (Red)
AC Fan Motor
inverter PCB
PCN404 (White)
Screws for motor
xing.
DC Fan Motor 4 x M6 screw (with spacer)
AC Fan Motor 4x M8 screws
Motor clamp
Fan motor
lead wire
Plastic tie
Cord clamp
Fan motor
Plastic tie
N O T E
1 Tomountthemotorbesuretoplacetheleadwireoutletdownward.(Adjustthepropellerfanandshroudnottocontact
witheachother).
2 Fixthemotorleadwireontothemotorclampusingaplastictieasshowninthetableonthepreviouspagetoavoid
obstructingthepropellerfan.
3 Mountingpropellerfan:Inserttheskiddingprotectionpartofthefanbossmatchingwiththemotorshaftnotch;tighten
thenutaftertheshaftscrewfullycomesout.(TighteningTorque20Nm)
4 ConnectthemotorleadwiretoPCB1oftheelectricalbox.(BesuretomatchcolorsofthePCBconnectorsandmotor
leadwireconnectors).
5 Besuretoattachtheoutletgrilleontotheshroudafterreplacingthefanmotor.