Siemens RVA63.280 Basic Documentation page 6

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Siemens Building Technologies
Landis & Staefa Division
2.51 Clock mode..................................................................................................119
2.52 Winter- / summertime changeover...............................................................120
2.53 Summer- / wintertime changeover...............................................................120
2.54 Display of PPS communication....................................................................121
Multi-functional inputs ..................................................................................................122
2.55 Input H1 .......................................................................................................122
2.55.1 Changeover of operating mode ...................................................................123
2.55.2 Minimum flow temperature setpoint TVHw ..................................................124
2.55.3 Heat generation lock....................................................................................124
2.55.4 Heat demand DC 0...10 V............................................................................125
2.55.5 Changeover of operating mode ...................................................................125
2.56 Minimum flow temperature setpoint contact H (TVHw) ...............................126
2.57 Maximum value of heat demand signal DC 0...10 V (H1)............................127
2.58 Operating action contact H1 and H2............................................................127
2.59 Input B31/H2................................................................................................128
2.59.1 D.h.w. sensor 2............................................................................................128
2.59.2 Minimum flow temperature setpoint (TVHw)................................................129
2.59.3 Heat generation lock....................................................................................129
2.59.4 Changeover of operating mode ...................................................................129
3 Description of OEM settings ........................................................................130
Heat generating equipment..........................................................................................130
3.1 Minimum limitation of boiler temperature (TKmin
3.2 Maximum limitation of boiler temperature (TKmax) .....................................130
3.3 Switching differential of the boiler temperature............................................131
3.3.1 Single-stage burner .....................................................................................132
3.3.2 2-stage burner .............................................................................................132
3.4 Minimum limitation of burner running time ...................................................133
3.5 Release integral of burner stage 2...............................................................134
3.5.1 Temperature-time integral ...........................................................................134
3.6 Reset integral of burner stage 2 ..................................................................135
3.6.1 Temperature-time integral ...........................................................................135
3.7 Pump overrun time ......................................................................................136
3.8 Operating mode of the boiler .......................................................................137
3.8.1 Extended burner running time .....................................................................137
3.9 Protective boiler start-up..............................................................................138
3.9.1 Impact on 2-position loads...........................................................................138
3.9.2 Impact on modulating loads.........................................................................139
3.9.3 Temperature-time integral ...........................................................................140
3.10 Control of boiler pump .................................................................................141
Heating circuit ..............................................................................................................142
3.11 Boost of flow temperature setpoint mixing valve (UEM) ..............................142
3.12 Gain factor of room influence (KORR).........................................................143
3.13 Constant for quick setback and optimum start control (KON)......................144
3.13.1 Quick setback without room influence .........................................................144
3.13.2 Optimum start control without influence.......................................................144
3.14 Boost of room temperature setpoint (DTRSA).............................................145
3.14.1 Boost heating...............................................................................................145
3.15 Frost protection for the plant........................................................................146
3.15.1 Frost protection for the plant........................................................................146
3.16 Control mode of actuator .............................................................................147
3.17 Switching differential of actuator..................................................................148
3.17.1 Control of mixing valve actuator ..................................................................148
3.18 Overtemperature protection for the pump heating circuit ............................149
Basic Dokumentation RVA63.280, RVA53.280
Summary
) ..................................130
OEM
CE1P2374E
19.04.2001