Hitachi RAS-10HRNM, Service Manual, Page: 414 / 482

3 Remove four (4) screws which fix the electrical box.
4 Pull up and remove the electrical box.
1. Electrical box.
2. Upper cover.
3. Compressor.
N O T E
• Wiring must be removed to dismount the electrical box.
1 Remove the 4-way valve coil from the 4-way valve. :
Removing four-way valve coil , see on page 410.
2 Remove the expansion valve coil from the expansion valve. : Removing electronic expansion valve coil ,
see on page 411.
3 Remove the solenoid valve coil from the solenoid valve. : Removing solenoid valve coil (20A) , see on page
412.
4 Remove the Faston terminals of high pressure switch and the pressure switch for control from the switch
body.
5 Remove connectors on the control PCB.
– THM7 (Outdoor Air).
– THM8 (Piping).
– THM9 (Compressor-top).
– PCN5 (Crankcase Heater).
6 Remove connectors on the DIP-IPM CN202
7 Remove the compressor power wire from the compressor.
8 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).
Correct installation Fan Box
1. Partition Plate.
2. Place the electrical box onto the front
fold of the partition plate (see correct
installation).
1. Place to hook the part onto the
partition plate.
1
2
3
10 Servicing
406
SMGB0060 rev. 1- 12/2010