Hitachi RAS-(3-6)HVNC1(E) - Page 10

General index
viii
SMGB0087 rev.0 - 12/2013
9.6.3 Parts name .................................................................................................................................................. 341
9.7 RAS-12HN(P/C)......................................................................................................................................344
9.7.1 Cycle and structural parts ............................................................................................................................ 344
9.7.2 Electrical parts (3Φ 400V/50Hz) .................................................................................................................. 345
9.7.3 Parts name .................................................................................................................................................. 346
10. Servicing.................................................................................................................349
10.1 Safety Introduction ................................................................................................................................353
10.2 RAS-(2-2.5)HVNP1 and RAS-3HVNC1 ................................................................................................354
10.2.1 Removing pipe cover ................................................................................................................................. 354
10.2.2 Removing front cover ................................................................................................................................ 354
10.2.3 Removing outdoor fan ............................................................................................................................... 354
10.2.4 Removing the compressor ........................................................................................................................ 355
10.2.5 Removing high pressure switch and pressure switch for control .............................................................. 357
10.2.6 Removing four-way valve coil .................................................................................................................... 357
10.2.7 Removing electronic expansion valve coil ................................................................................................. 358
10.2.8 Removing electrical components .............................................................................................................. 359
10.3 RAS-3HVNP1E .....................................................................................................................................361
10.3.1 Removing service cover ............................................................................................................................ 361
10.3.2 Remove outlet grille ................................................................................................................................... 361
10.3.3 Removing upper cover .............................................................................................................................. 362
10.3.4 Removing bottom service cover and rear cover ........................................................................................ 362
10.3.5 Removing outdoor fan motor ..................................................................................................................... 363
10.3.6 Removing electrical box ............................................................................................................................ 364
10.3.7 Removing the compressor ........................................................................................................................ 365
10.3.8 Removing the High pressure switch and Pressure switch for control ....................................................... 367
10.3.9 Opening electrical box (P plate) ................................................................................................................ 368
10.3.10 Removing Reversing valve coil ............................................................................................................... 368
10.3.11 Removing electronic expansion valve coil ............................................................................................... 368
10.3.12 Removing solenoid valve coil (SVC) ....................................................................................................... 369
10.3.13 Removing reversing valve ....................................................................................................................... 369
10.3.14 Removing Electronic expansion Valve and Solenoid Valve .................................................................... 370
10.3.15 Removing electrical components ............................................................................................................ 370
10.3.16 Removing other electrical components ................................................................................................... 371
10.4 RAS-(4-6)H(V)NP1E .............................................................................................................................372
10.4.1 Removing service cover ............................................................................................................................ 372
10.4.2 Removing air outlet grille ........................................................................................................................... 372
10.4.3 Removing upper cover .............................................................................................................................. 373
10.4.4 Removing the bottom service cover and rear cover .................................................................................. 373
10.4.5 Removing outdoor fan motor ..................................................................................................................... 374
10.4.6 Removing electrical box ............................................................................................................................ 375