Hitachi UTOPIA R32 Series - Page 9

IV
PMEN0654 rev.0 - 12/2023
II
GENERAL INDEX
11. Refrigerant pump down .........................................................................................47
11.1 General consideraons ....................................................................................48
11.2 RAS-(2-3)HVRC3 refrigerant pump down example ......................................... 48
12. H-LINK II system ......................................................................................................49
12.1 General consideraons ....................................................................................50
12.2 System installaon DSW Seng ...................................................................... 51
13. Test run from outdoor unit side .............................................................................53
13.1 RAS-(2-3)HVRC3 test run procedure ...............................................................54
13.2 Test run check list ............................................................................................56
14. Troubleshoong ......................................................................................................57
14.1 On-screen display during abnormal operaon ...............................................58
14.2 Main Alarm Codes ...........................................................................................59
15. Maintenance ........................................................................................................... 64
15.1 General consideraons ....................................................................................65
15.2 General maintenance work .............................................................................65
16. Oponal parts for RAS-(2-3)HVRC3 series .............................................................67
16.1 Assigned models and quanty ........................................................................68
16.2 Air ow guide ...................................................................................................68
16.2.1 AG-264 .................................................................................................68
16.3 Wind guard ......................................................................................................70
16.3.1 WSP-SP10A ..........................................................................................70
16.4 Snow protecon hood .....................................................................................71
16.4.1 Air discharge hood ...............................................................................71
16.4.2 Rear sucon hood ...............................................................................72
16.4.3 Le sucon hood .................................................................................73
16.4.4 Assembly of snow protecon hood ....................................................74