Electrical And Control Settings - Hitachi YUTAKI M R32 Series Installation & Operation Manual

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 A dditional hydraulic necessary elements for space heating .................. 49
5.5.2 A dditional hydraulic necessary elements for DHW ................................... 50
5.5.3 A dditional hydraulic optional elements (For DHW) .................................. 52
5.5.4 R equirements 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 filling ....................................................................................................... 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 ..........................................................................................

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
PMML0600 rev.0 - 06/2022
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