Siemens RVA63.280 - Page 7

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Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E
Landis & Staefa Division Summary 19.04.2001
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