Hitachi RCI Service Manual page 10

Index
10.6.4 Removal of the fan parts............................................................................................................. 313
10.6.5 Removal of the float switch......................................................................................................... 314
10.6.6 Removal of the air filter............................................................................................................... 315
10.7 RPC - Ceiling.............................................................................................................................. 316
10.7.1 Removal of the air filter............................................................................................................... 316
10.7.2 Removal of the side panel.......................................................................................................... 316
10.7.3 Removal of the air outlet grille.................................................................................................... 317
10.7.4 Removal of the fan motor............................................................................................................ 317
10.7.5 Removal of the fan shaft support................................................................................................ 318
10.7.6 Removal of the coupling............................................................................................................. 319
10.7.7 Removal of the automatic louver motor...................................................................................... 319
10.7.8 Removal of the thermistors from the liquid and gas pipes.......................................................... 319
10.7.9 Removal of the printed circuit board (PCB)................................................................................ 320
10.8 RPK - FSN2M Wall mounted...................................................................................................... 322
10.8.1 Removal of the air filter............................................................................................................... 322
10.8.2 Removal of the front panel.......................................................................................................... 323
10.8.3 Removal of the right cover (only RPK-(2.5-4.0)FSN2M)............................................................. 326
10.8.4 Removal of the suction air grille (only RPK-(2.5-4.0)FSN2M).................................................... 327
10.8.5 Removal of the automatic louver motor...................................................................................... 328
10.8.6 Remove the electrical box panel................................................................................................. 329
10.8.7 Removal of the thermistors from the liquid and gas pipes and the inlet air and outlet air
thermistors.................................................................................................................................. 330
10.8.8 Removal of the printed circuit board (PCB)................................................................................ 332
10.8.9 Removal of the heat exchanger.................................................................................................. 337
10.8.10 Removal of the AS motor............................................................................................................ 339
10.8.11 Removal of the drain pan............................................................................................................ 340
10.8.12 Removal of the fan motor............................................................................................................ 341
10.8.13 Removal of the electronic expansion valve................................................................................. 344
10.9 RPF(I)- (1.0-2.5)......................................................................................................................... 346
10.9.1 Removal of the air inlet grille....................................................................................................... 346
10.9.2 Removal of the air filter............................................................................................................... 346
10.9.3 Removal of the air outlet grille.................................................................................................... 347
10.9.4 Removal of the front panel.......................................................................................................... 347
10.9.5 Removal of the fan motor............................................................................................................ 347
10.9.6 Removal of the printed circuit board (PCB)................................................................................ 348
10.9.7 Removal of the thermistors from the liquid and gas piping......................................................... 349
10.9.8 Removal of the fan motor............................................................................................................ 349
10.9.9 Removal of the printed circuit board (PCB)................................................................................ 349
10.9.10 Removal of the thermistors from the liquid and gas piping......................................................... 349
10.10 KPI.............................................................................................................................................. 350
10.10.1 System description...................................................................................................................... 350
10.10.2 Structure and part names........................................................................................................... 350
10.10.3 Standard connection system and central station........................................................................ 351
10.10.4 Controlled network system.......................................................................................................... 352
10.10.5 Filter maintenance...................................................................................................................... 352
10.10.6 Cleaning energy recovery ventilation unit elements................................................................... 355
10.10.7 Energy recovery ventilation unit fan connectors and units.......................................................... 357
11 Electrical checks of the main parts................................................................ 359
11.1 Thermistor.................................................................................................................................. 360
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SMGB0063 rev. 1 - 10/2010