Hitachi RAS-(3-6)HVNC1(E) Service Manual page 426

10 Servicing
10.7.4 Removing bottom service cover and rear cover
1 Remove 5 screws which fix the bottom service cover.
2 Pull and remove the bottom service cover.
3 Remove the upper cover following "10.7.3 Removing upper cover".
4 Remove 8 screws which fix the rear cover.
5 Pull backward and remove the rear cover.
Air Outlet Grille
Air Outlet Grille
Front Side
Front Side
Piping Cover
Piping Cover
N O T E
Pay attention that the screw length for the ambient thermistor differs from other fixing screws.
10.7.5 Removing outdoor fan motor
1 Remove the service cover following "10.7.1 Removing service cover".
2 Remove the outlet grille following "10.7.2 Remove outlet grille".
3 Remove the upper cover following "10.7.3 Removing upper cover".
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 (CN406 (Red))
Cut the plastic tie with nippers which fixes the fan motor lead wire onto the motor clamp.
412
Electrical Box
Electrical Box
Rear Cover
Rear Cover
Valve Stay
Valve Stay
1
SMGB0087 rev.0 - 12/2013
Position of THM9
Position of
Ambient Thermistor
Ambient Thermistor
Rear Cover Rear Cover
1 Fan motor lead wire.
Motor clamp.
2
Motor.
3
Screw with spacer.
4
Air Inlet Grille
Air Inlet Grille