Hitachi YUTAKI M R32 Series - Electrical and Control Settings

VII
PMML0600 rev.0 - 06/2022
I
General Index
5.3.2 Draining operation for YUTAKI H Combi ......................................................45
5.4 YUTAKI Hydraulic Connections ................................................................................46
5.4.1 Hydraulic Connections for YUTAKI M ...........................................................46
5.4.2 Hydraulic Connections for YUTAKI HYDROSPLIT and YUTAKI H .............46
5.4.3 Hydraulic Connections for YUTAKI HYDROSPLIT and YUTAKI H Combi 47
5.4.4 Parts name list ..................................................................................................47
5.5 Space heating and DHW for YUTAKI M / YUTAKI Hydrosplit ...............................49
5.5.1 Additional hydraulic necessary elements for space heating ..................49
5.5.2 Additional hydraulic necessary elements for DHW ...................................50
5.5.3 Additional hydraulic optional elements (For DHW) .................................. 52
5.5.4 Requirements and recommendations for the hydraulic circuit .............53
5.5.5 Anti-freezing protection for water circuit ....................................................54
5.5.6 Glycol as anti-freezing protection .................................................................54
5.5.7 Insulation ...........................................................................................................56
5.5.8 Water lling .......................................................................................................56
5.5.9 Water quality .....................................................................................................58
5.6 Minimum water volume description ......................................................................60
5.7 Water piping ................................................................................................................62
5.7.1 Water piping length .........................................................................................62
5.7.2 Water piping size .............................................................................................. 62
5.8 Suspension of water piping ......................................................................................63
6. Electrical and control settings .......................................................................................... 64
6.1 Optional unit wiring for accessories ....................................................................... 66
6.1.1 Summary of the terminal board connections ............................................66
6.1.2 Input terminals (Default input functions) ...................................................70
6.2 Setting of DIP switches and RSW switches ............................................................80