Hitachi RPI-6.0FSN4E - Page 315

10 Servicing
303
10
SMGB0077 rev.0 - 01/2013
10.7.7. Removal of the oat switch ...................................................................................................................... 357
10.7.8. Removal of the air lter ............................................................................................................................ 357
10.8. RPIM - Ducted indoor unit ...................................................................................................................358
10.8.1. Removal of the electrical box .................................................................................................................. 358
10.8.2. Removal of the inlet and outlet air thermistors ........................................................................................ 359
10.8.3. Outlet air thermistor ................................................................................................................................. 360
10.8.4. Removal of the fan parts ......................................................................................................................... 361
10.8.5. Removal of the oat switch ...................................................................................................................... 362
10.8.6. Removal of the air lter ............................................................................................................................ 363
10.9. RPK - FSN(H)3M Wall mounted ..........................................................................................................364
10.9.1. Removal of the air lter ............................................................................................................................ 364
10.9.2. Removal of the front panel ...................................................................................................................... 364
10.9.3. Electrical Box Structure ........................................................................................................................... 368
10.9.4. Remove the electrical box cover ............................................................................................................. 369
10.9.5. Remove the switch cover ........................................................................................................................ 369
10.9.6. Replacing PCB1 for Control .................................................................................................................... 370
10.9.7. Removing Electrical Box .......................................................................................................................... 372
10.9.8. Removing AS Motor ................................................................................................................................. 374
10.9.9. Removing Drain Pan ............................................................................................................................... 375
10.9.10. Removing Heat Exchanger ...................................................................................................................... 377
10.9.11. Removing Thermistors for Freeze Protection, Gas Pipe, Outlet Air and Inlet Air .................................... 380
10.9.12. Removing Fan and Fan Motor ................................................................................................................. 384
10.9.13. Removing Electronic Expansion Valve Coi .............................................................................................. 385
10.9.14. Removing Horizontal Louver ................................................................................................................... 387
10.10. RPF(I)- (1.0-2.5) ..................................................................................................................................389
10.10.1. Removal of the air inlet grille ................................................................................................................... 389
10.10.2. Removal of the air lter ............................................................................................................................ 389
10.10.3. Removal of the air outlet grille ................................................................................................................. 390
10.10.4. Removal of the front panel ...................................................................................................................... 390
10.10.5. Removal of the fan motor ........................................................................................................................ 390
10.10.6. Removal of the printed circuit board (PCB) ............................................................................................. 391
10.10.7. Removal of the thermistors from the liquid and gas piping ...................................................................... 392
10.11. KPI.......................................................................................................................................................393
10.11.1. System description .................................................................................................................................. 393
10.11.2. Structure and part names ........................................................................................................................ 393
10.12. DX-Interface ........................................................................................................................................ 394
10.12.1. Structure and part names ........................................................................................................................ 394
10.12.2. Removal of the electrical components ..................................................................................................... 394