Hitachi UTOPIA R32 Series - Page 6

General Index
TCGB0136 rev.1 - 05/2021
IV
2.5 Installation benets................................................................................................................................26
2.6 Start-up benets .................................................................................................................................... 27
2.6.1 Automatic start-up test ................................................................................................................................... 27
2.6.2 Service verication ........................................................................................................................................ 28
2.7 Maintenance benets ............................................................................................................................29
2.7.1 Availability of maintenance tools ................................................................................................................... 29
2.7.2 Simple maintenance ...................................................................................................................................... 29
3. General data ............................................................................................................. 31
3.1 General information ...............................................................................................................................32
3.2 General specications ........................................................................................................................... 33
3.3 Cooling and heating performance .........................................................................................................41
3.3.1 UTOPIA Prime single phase series ............................................................................................................... 41
3.3.2 UTOPIA IVX Prime single phase series ........................................................................................................ 41
3.3.3 UTOPIA Prime three phase series ................................................................................................................ 42
3.3.4 UTOPIA IVX Prime three phase series ......................................................................................................... 42
3.4 Component data ....................................................................................................................................43
3.5 Electrical data ........................................................................................................................................45
3.5.1 UTOPIA series ............................................................................................................................................... 46
4. Capacities and selection data ................................................................................. 47
4.1 Combinability range...............................................................................................................................48
4.1.1 Connected number of indoor units ................................................................................................................ 48
4.1.2 Connected capacity ratio ............................................................................................................................... 49
4.2 System selection procedure .................................................................................................................. 50
4.2.1 Selection procedure (step 1) ......................................................................................................................... 50
4.2.2 Selection procedure (step 2) ......................................................................................................................... 52
4.3 Maximum cooling capacity ....................................................................................................................53
4.4 Maximum heating capacity ....................................................................................................................55
4.5 Correction indoor fan speed factor ........................................................................................................ 57
4.5.1 Cooling .......................................................................................................................................................... 57
4.5.2 Heating .......................................................................................................................................................... 57
4.6 Piping length correction factor (f
LC
, f
LH
) .................................................................................................. 57
4.7 Defrost Operation correction factor (f
D
) .................................................................................................59
4.8 Correction ratio due to humidity (CR) ....................................................................................................59
4.9 Correction factor according to altitude (f
AL
) ............................................................................................59