Removing Outdoor Fan Motor - Hitachi RAS-2-HVNP Service Manual

10. Servicing
10.4.1.5 Removing outdoor fan motor
1 Remove the service cover following
2 Remove the outlet grille following
3 Remove the upper cover following
4 To remove the propeller fan remove the cap nut and washer which fix the propeller fan onto the motor shaft. (Use a
puller when the propeller fan and motor shaft are fixed too tightly).
1. Upper cover.
5 Remove the fan motor connector from PCB in the electrical box.
Cut the plastic tie with nippers which fixes the fan motor lead wire onto the motor clamp.
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 grill onto the shroud after replacing the fan motor.
393
SMGB0079 rev.0 - 01/2013
Removing service cover.
Remove outlet grille.
Removing upper cover.
1
Remove 4 screws which fix the motor.
Model
Connector pin location
Motor fixing screws
1. Motor clamp.
2. Plastic tie.
3. Wire.
4. Motor.
1. Fan motor lead wire.
2. Motor clamp.
3. Motor.
4. Screw with spacer.
RAS-(4-6)H(V)NCE
Inverter PCB - CN202
4x M5 screws
10