Hitachi RAS-(2-6)HVNP1(E), Руководство по обслуживанию

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10 Servicing
413
SMGB0087 rev.0 - 12/2013
10
Remove 4 screws which fix the motor.
Model RAS-(4-6)H(V)NC1E
Connector pin location Inverter PCB - CN202
Motor fixing 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 fix 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 fitting with the partition plate.
(Insert the radiation fin into the U-notch on the partition plate and place the fin on the fan box side. Then attach the
electrical box hooking onto the partition plate).