Hitachi EV-1.5N1, Service Manual

Page: 10 / 480

General Index
viii
SMGB0079 rev.0 - 01/2013
9.6.1 Cycle and structural parts ............................................................................................................................ 308
9.6.2 Electrical parts ............................................................................................................................................. 310
9.6.3 Parts name ...................................................................................................................................................311
9.7 RAS-12HN(P/C)......................................................................................................................................314
9.7.1 Cycle and structural parts ............................................................................................................................ 314
9.7.2 Electrical parts ............................................................................................................................................. 315
9.7.3 Parts name .................................................................................................................................................. 316
10. Servicing ...................................................................................................................319
10.1 Introduction ...........................................................................................................................................323
10.2 Servicing for Outdoor Units RAS-(2-2.5)HVNP and RAS-3HVNC ........................................................324
10.2.1 Removing pipe cover ................................................................................................................................. 324
10.2.2 Removing front cover ................................................................................................................................ 324
10.2.3 Removing outdoor fan ............................................................................................................................... 324
10.2.4 Removing the compressor ........................................................................................................................ 325
10.2.5 Removing high pressure switch and pressure switch for control .............................................................. 327
10.2.6 Removing four-way valve coil .................................................................................................................... 328
10.2.7 Removing electronic expansion valve coil ................................................................................................. 328
10.2.8 Removing electrical components .............................................................................................................. 329
10.3 Servicing for Premium series ................................................................................................................332
10.3.1 Outdoor unit RAS-3HVNPE ....................................................................................................................... 332
10.3.1.1 Removing service cover .................................................................................................. 332
10.3.1.2 Remove outlet grille ......................................................................................................... 332
10.3.1.3 Removing upper cover .................................................................................................... 333
10.3.1.4 Removing bottom service cover and rear cover .............................................................. 333
10.3.1.5 Removing outdoor fan motor ........................................................................................... 334
10.3.1.6 Removing electrical box .................................................................................................. 335
10.3.1.7 Removing the compressor .............................................................................................. 336
10.3.1.8 Removing the High pressure switch and Pressure switch for control ............................. 339
10.3.1.9 Opening electrical box (P plate) ...................................................................................... 340
10.3.1.10 Removing Reversing valve coil ..................................................................................... 340
10.3.1.11 Removing electronic expansion valve coil ..................................................................... 341
10.3.1.12 Removing solenoid valve coil (SVC) ............................................................................. 341
10.3.1.13 Removing reversing valve ............................................................................................. 342
10.3.1.14 Removing Electronic expansion Valve and Solenoid Valve .......................................... 343
10.3.1.15 Removing electrical components .................................................................................. 343
10.3.1.16 Removing other electrical components ......................................................................... 345
10.3.2 Outdoor units RAS-(4-6)H(V)NPE ............................................................................................................. 346
10.3.2.1 Removing service cover .................................................................................................. 346
10.3.2.2 Removing air outlet grille ................................................................................................. 346
10.3.2.3 Removing upper cover .................................................................................................... 347
10.3.2.4 Removing the bottom service cover and rear cover ........................................................ 347