Hitachi RAS-(3-6)HVNC1(E) - Page 427

10 Servicing
413
SMGB0087 rev.0 - 12/2013
10
Remove 4 screws which x the motor.
Model RAS-(4-6)H(V)NC1E
Connector pin location Inverter PCB - CN202
Motor xing screws 4x M5 screws
Motor clamp.
Cord clamp.
Plastic band.
Lead Wire for fan motor.
Fan motor
5
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.
10.7.6 Removing electrical box
6 Remove the service cover following “10.7.1Remo-
vingservicecover”.
7 Remove the upper cover following “10.7.3Removing
uppercover”. Remove 4 screws which x the elec-
trical box.
8 Pull up and remove the electrical box.
Remove four (4) fixing screws
for the electrical box.
Upper Cover
Electrical Box
N O T E
Thefollowingwiringmustberemovedtodismounttheelectricalbox.
1.Removethereversingvalvecoilfromthereversingvalve:“10.7.13Removingreversingvalve”.
2.Removetheexpansionvalvecoilfromtheexpansionvalve:“10.7.11Removingelectronicexpansionvalvecoil”.
3.Removethesolenoidvalvecoilfromthesolenoidvalve:“10.7.12Removingsolenoidvalvecoil(SVA)”.
4.RemovetheFastonterminals of high/low pressureswitchandthe pressure switch forcontrolfromthe switch body:
“10.2.5Removinghighpressureswitchandpressureswitchforcontrol”
5.RemoveallconnectorsonthecontrolPCB.
6.Removethecompressorwiresintheterminalboxofthecompressor.
7.Toremounttheelectricalboxattachtheelectricalboxttingwiththepartitionplate.
(InserttheradiationnintotheU-notchonthepartitionplateandplacethenonthefanboxside.Thenattachthe
electricalboxhookingontothepartitionplate).