Hitachi UTOPIA RAS-4HVRP2E - Removing Bottom Service Cover and Rear Cover; Removing Outdoor Fan Motor

9 Servicing
RAS-(4-6)H(V)(R/N)(C/P)2E
SMGB0136 rev.0 - 07/2021
185
9
9.3.4 Removing bottom service cover and rear cover
1 Remove 5 screws which x the bottom service cover.
2 Pull and remove the bottom service cover.
3 Remove the upper cover following “9.3.3Removinguppercover”.
4 Remove 8 screws which x the rear cover.
5 Pull backward and remove the rear cover.
Rear Cover
Valve Stay
Electrical Box
Front Side
Piping Cover
A
ir Outlet Grille
Air Outlet Grille
Valve Stay
Front Side
Piping Cover
Rear Cover
Electrical Box
Rear Cover
Air Inlet Grille
Position of
Ambient Thermistor
Air Inlet Grille
Rear Cover
Position of THM9
Ambient Thermistor
NOTE
Payattentionthatthescrewlengthfortheambientthermistordiffersfromotherxingscrews.
9.3.5 Removing outdoor fan motor
1 Remove the service cover following “9.3.1Removingservicecover”.
2 Remove the outlet grille following “9.3.2Removeoutletgrille”.
3 Remove the upper cover following “9.3.3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 (CN406 (Red)).
6 Cut the plastic tie with nippers which xes the fan motor lead wire onto the motor clamp.