SDC / DHC Contents
EN2H-0221GE51 R0808 5
5.4.7 "District hot water" menu (DIST.HEATING) ........................................104
5.4.8 "Return increase" menu (RETURN CONTR)......................................105
5.4.9 "Solar" menu (SOLAR) .......................................................................106
5.4.10 "Solid" menu (SOLID FUEL)...............................................................107
5.4.11 "Buffer" menu (BUFFER)....................................................................108
5.4.12 "Total flow regulation" menu (MAIN SUPPLY)....................................109
5.4.13 "Cascading" menu (CASCADE) .........................................................110
5.4.14 "Data bus" menu (BUS) ......................................................................111
5.4.15 "Relay test" menu (RELAY TEST )....................................................111
5.4.16 "Error messages" menu (ALARM) ......................................................112
5.4.17 "Error messages 2" menu (ALARM 2) ................................................113
5.4.18 "Sensor calibration" menu (SENSOR ADJ.) .......................................113
6 Control Functions ......................................................................................................114
6.1 Variable adjustment of the hydraulic parameters (variable inputs and
outputs) ...........................................................................................................114
6.1.1 Connection and settings table ............................................................116
6.2 Switching time program enabling ....................................................................117
6.3 Suppressing the cycle temperature on time program level..............................118
6.4 Enabling "Separate Control Mode"..................................................................118
6.5 Switching from SDC to DHC ...........................................................................119
6.6 Selection of hydraulic parameter presettings ..................................................119
6.7 The variable inputs and outputs of device series SDC/DHC 43 ......................119
6.8 General functions and their operation .............................................................120
6.8.1 Outside temperature sensing..............................................................120
6.8.1.1 Building type .........................................................................120
6.8.2 Heating circuit outside temperature assignment.................................121
6.8.3 Outside temperature emergency operation value...............................121
6.8.4 Outside temperature disable...............................................................122
6.8.5 Climate zone.......................................................................................122
6.8.6 Design temperature ............................................................................122
6.8.7 Summer switch-off..............................................................................123
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