Siemens RVA63.280 Basic Documentation page 7

Siemens Building Technologies
Landis & Staefa Division
3.19 Heat gains (Tf)............................................................................................. 150
3.20 Adaption sensitivity 1 (ZAF1)....................................................................... 151
3.21 Adaption sensitivity 2 (ZAF2)....................................................................... 152
3.22 P-band mixing valve (Xp) ............................................................................ 153
3.23 Integral action time mixing valve (Tn).......................................................... 153
3.24 Actuator running time mixing valve.............................................................. 153
D.h.w. 154
3.25 Maximum nominal setpoint of d.h.w. temperature (TBWmax) .................... 154
3.26 Switching differential of d.h.w. temperature (SDBW) .................................. 155
3.26.1 d.h.w. temperature control........................................................................... 155
3.26.2 D.h.w. temperature control with 2 sensors .................................................. 156
3.27 Legionella function ...................................................................................... 157
3.28 Setpoint of legionella function ..................................................................... 158
3.29 Discharge protection during d.h.w. heating ................................................. 159
Service 160
3.30 Continuous display ...................................................................................... 160
3.31 Software version.......................................................................................... 160
3.32 Device operating hours ............................................................................... 161
4 General control processes .......................................................................... 162
4.1 Generation of boiler temperature setpoint ................................................... 163
4.2 Automatic 24-hour heating limit ................................................................... 164
4.2.1 Without room influence................................................................................ 164
4.2.2 With room influence..................................................................................... 165
4.3 Quick setback with room sensor ................................................................. 166
4.4 Overtemperature protection mixing heating circuit...................................... 167
4.5 Attenuated outside temperature .................................................................. 168
4.6 Composite outside temperature .................................................................. 169
4.7 D.h.w. push ................................................................................................. 170
4.8 Pump and valve kick ................................................................................... 171
4.9 Protection against discharging after d.h.w. heating..................................... 171
4.10 Overview of pump operation ....................................................................... 172
4.11 Frost protection ........................................................................................... 173
4.11.1 For the boiler ............................................................................................... 173
4.11.2 For the d.h.w................................................................................................ 173
4.11.3 For the heating circuit.................................................................................. 174
5 Application examples .................................................................................. 175
5.1 Plant types................................................................................................... 175
5.1.1 D.h.w. heating with diverting valve .............................................................. 176
5.2 Supplementary information on the plant types listed................................... 176
5.3 Legend to plant types .................................................................................. 177
5.4 Electrical connections.................................................................................. 177
6 Dimensions.................................................................................................. 178
6.1.1 Panel cut-out ............................................................................................... 178
6.1.2 Combination of controllers........................................................................... 178
7 Technical data ............................................................................................. 179
Basic Dokumentation RVA63.280, RVA53.280
Summary
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CE1P2374E
19.04.2001