Basic Documentation

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Siemens Modular Heating Controller RMH760B CE1P3133en
Building Technologies Contents 2017-09-29
10.7.2 Load control ..................................................................................................................... 169
10.8 Limitation and protective functions ................................................................................... 170
10.8.1 DHW discharging protection ............................................................................................ 170
10.8.2 Limitation of the return temperature ................................................................................. 171
10.8.3 Frost protection functions ................................................................................................. 172
10.8.4 Pulse limitation ................................................................................................................ 172
10.8.5 Pump overrun and mixing valve overrun .......................................................................... 173
10.8.6 Pump kick and valve kick ................................................................................................. 173
10.9 Heat demand ................................................................................................................... 173
10.10 DHW priority .................................................................................................................... 174
10.11 Auxiliary functions ............................................................................................................ 175
10.11.1 Text designation for DHW and time switches ................................................................... 175
10.11.2 Primary flow temperature sensor ..................................................................................... 175
10.11.3 Circulating pump .............................................................................................................. 175
10.11.4 Electric immersion heater ................................................................................................ 176
10.11.5 System pump................................................................................................................... 177
10.11.6 Consumer control ............................................................................................................ 177
10.12 Fault handling .................................................................................................................. 179
10.13 Diagnostic values ............................................................................................................ 181
11 Logic functions .......................................................................................... 182
11.1 Logic ................................................................................................................................ 182
11.1.1 Activate the Logic ............................................................................................................ 183
11.1.2 Assign texts ..................................................................................................................... 186
11.1.3 Setting values switching value On and Off ....................................................................... 186
11.1.4 Switch-on/switch-off delay ............................................................................................... 187
11.1.5 Minimum on time ............................................................................................................. 187
11.1.6 Minimum off time ............................................................................................................. 187
11.1.7 Operation selector ........................................................................................................... 188
11.1.8 Wiring test ....................................................................................................................... 188
11.1.9 Priorities .......................................................................................................................... 188
11.1.10 Notes ............................................................................................................................... 189
11.1.11 Application example for storage tank charging ................................................................. 189
11.1.12 Application example for RS flip-flop ................................................................................. 190
11.1.13 Application example solar DHW ....................................................................................... 190
11.2 Comparator...................................................................................................................... 191
11.2.1 Activate Comparator ........................................................................................................ 191
11.2.2 Assign texts ..................................................................................................................... 192
11.2.3 Upper and lower limit value .............................................................................................. 192
11.2.4 Switch-on/switch-off delay ............................................................................................... 192
11.2.5 Minimum on time ............................................................................................................. 193
11.2.6 Minimum off time ............................................................................................................. 193
11.2.7 Display values ................................................................................................................. 193
11.2.8 Wiring test ....................................................................................................................... 193
11.2.9 Priorities .......................................................................................................................... 194