Siemens Synco 700 Series - Page 7

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Building Technologies Boiler sequence controller RMK770 CE1P3132en
HVAC Products Contents 23.04.2009
9.8.4 Pulse limitation ............................................................................................146
9.8.5 Pump overrun and mixing valve overrun ..................................................... 147
9.8.6 Pump kick and valve kick ............................................................................147
9.9 Text designation .......................................................................................... 147
9.10 Fault handling .............................................................................................. 148
9.11 Diagnostic choices....................................................................................... 148
10 Heating circuit control .................................................................................. 150
10.1 Overview of function block........................................................................... 150
10.2 Configuration ............................................................................................... 150
10.2.1 3-position or modulating mixing valve ......................................................... 152
10.2.2 Pump control ............................................................................................... 152
10.3 Heating circuit operating mode.................................................................... 152
10.3.1 Room operating modes ............................................................................... 152
10.3.2 User requests from the room....................................................................... 154
10.3.3 Room operating mode contact .................................................................... 154
10.3.4 Timer function.............................................................................................. 155
10.3.5 Room operating mode outputs .................................................................... 155
10.3.6 Plant operation ............................................................................................ 157
10.3.7 Control priorities in the heating circuit .........................................................157
10.4 Room temperature setpoints ....................................................................... 159
10.4.1 Settings........................................................................................................ 159
10.4.2 Increasing the Economy setpoint ................................................................160
10.4.3 Room temperature setpoint adjuster, absolute............................................ 160
10.4.4 Room temperature setpoint adjuster, relative.............................................. 162
10.5 Weather-compensated heating circuit control ............................................ 162
10.5.1 The composite and the attenuated outside temperature ............................. 163
10.5.2 Heating curve .............................................................................................. 164
10.5.3 Influence on the flow temperature setpoint.................................................. 166
10.5.4 Heating limit switch...................................................................................... 167
10.6 Mixing valve control ..................................................................................... 168
10.6.1 Control ......................................................................................................... 168
10.6.2 Load control................................................................................................. 169
10.7 Optimization functions ................................................................................. 170
10.7.1 Type of optimization .................................................................................... 170
10.7.2 Otimum start / stop control .......................................................................... 171
10.7.3 Quick setback and boost heating ................................................................171
10.8 Limit and protective functions ...................................................................... 172
10.8.1 Maximum limitation of the room temperature .............................................. 172
10.8.2 Return temperature limitation ...................................................................... 173
10.8.3 Pulse limitation ............................................................................................175
10.8.4 Frost functions and general protective functions ......................................... 175
10.8.5 Pump overrun and mixing valve overrun ..................................................... 176