Hitachi RAS-(3-6)HVNC1(E) Service Manual page 415

10 Servicing
10.6.6 Removing electrical box
1 Remove the service cover following
service cover".
2 Remove the upper cover following
upper cover". Remove 6 screws which fix the electrical
box.
3 Pull up and remove the electrical box.
N O T E
The following wiring must be removed to dismount the electrical box.
1. R emove the reversing valve coil from the reversing valve: "10.6.12 Removing reversing valve".
2. R emove the expansion valve coil from the expansion valve: "10.6.11 Removing electronic expansion valve coil".
3. R emove the solenoid valve coil from the solenoid valve: "10.6.10 Removing reversing and solenoid valves coils".
4. R emove the Faston terminals of high/low pressure switch and the pressure switch for control from the switch body:
"10.6.8 Removing High pressure switch and pressure switch for control".
5. R emove all connectors on the control PCB.
6. R emove the compressor wires in the terminal box of the compressor.
7. T o 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).
Notches of the partition plate
Portion plate
Electrical box
401
SMGB0087 rev.0 - 12/2013
"10.6.1 Removing
"10.6.3 Removing
Fan box
Place the electrical box to hook the parts
onto the partition plate
Remove the
fixing screws
10