Hitachi UTOPIA R410A Series - 4 Capacities and Selection Data

4 Capacities and selection data
TCGB0136 rev.1 - 05/2021
47
4
4. Capacities and selection data
Index
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