Hitachi RAS-2-HVNP - Page 335

10. Servicing
321
SMGB0079 rev.0 - 01/2013
10
10.4. Servicing for Standard Series..............................................................................................................391
10.4.1. Outdoor Units RAS-(4-6)H(V)NCE .......................................................................................................... 391
10.4.1.1. Removing service cover ........................................................................................................ 391
10.4.1.2. Remove outlet grille ............................................................................................................... 391
10.4.1.3. Removing upper cover .......................................................................................................... 392
10.4.1.4. Removing bottom service cover and rear cover .................................................................... 392
10.4.1.5. Removing outdoor fan motor ................................................................................................. 393
10.4.1.6. Removing electrical box ........................................................................................................ 394
10.4.1.7. Removing the compressor .................................................................................................... 395
10.4.1.8. Removing the High pressure switch and Pressure switch for control ................................... 401
10.4.1.9. Opening electrical box (P plate) ............................................................................................ 402
10.4.1.10. Removing Reversing valve coil ............................................................................................. 402
10.4.1.11. Removing electronic expansion valve coil ............................................................................. 403
10.4.1.12. Removing solenoid valve coil (SVA) ...................................................................................... 403
10.4.1.13. Removing reversing valve ..................................................................................................... 404
10.4.1.14. Removing Electronic expansion valve and Solenoid valve ................................................... 405
10.4.1.15. Removing electrical components .......................................................................................... 405
10.4.1.16. Removing other electrical components ................................................................................. 407
10.4.2. Outdoor Units RAS-(8-10)HNCE ............................................................................................................. 408
10.4.2.1. Removing service cover ........................................................................................................ 408
10.4.2.2. Removing air outlet grille ....................................................................................................... 408
10.4.2.3. Removing upper cover .......................................................................................................... 409
10.4.2.4. Removing the bottom service cover and rear cover .............................................................. 409
10.4.2.5. Removing outdoor fan motor ................................................................................................. 410
10.4.2.6. Removing electrical box .........................................................................................................411
10.4.2.7. Removing the compressor .................................................................................................... 412
10.4.2.8. Removing High pressure switch and pressure switch for control .......................................... 415
10.4.2.9. Opening electrical box (P-Mounting Plate) ............................................................................ 415
10.4.2.10. Removing reversing valve coil ............................................................................................... 416
10.4.2.11. Removing electronic expansion valve coil ............................................................................. 417
10.4.2.12. Removing solenoid valve coil (SVA) ...................................................................................... 417
10.4.2.13. Removing reversing valve ..................................................................................................... 418
10.4.2.14. Removing Electronic expansion Valve and Solenoid Valve ................................................... 419
10.4.2.15. Removing electrical components .......................................................................................... 420
10.4.2.16. Removing other electrical components ................................................................................. 422
10.4.3. Outdoor Units RAS-12HNC ..................................................................................................................... 423
10.4.3.1. Removing service cover ........................................................................................................ 423
10.4.3.2. Removing air outlet grille ....................................................................................................... 423
10.4.3.3. Removing upper cover .......................................................................................................... 424
10.4.3.4. Removing the bottom service cover and rear cover .............................................................. 424
10.4.3.5. Removing outdoor fan motor ................................................................................................. 425
10.4.3.6. Removing electrical box ........................................................................................................ 426