Siemens RVP540 Operator's manual

Edition 1.0
Controller series B
RVP540 / RVP550
CE1P2488en
18.10.2002
Siemens Building Technologies
HVAC Products
SIGMAGYR
RVP540 / RVP550
Heat Energy Manager
Basic Documentation

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Siemens Building Technologies Basic Documentation RVP540 / RVP550 CE1P2488en
HVAC Products 18.10.2002
Siemens Building Technologies Ltd.
HVAC Products
Gubelstrasse 22
CH-6301 Zug
Tel. [phone]
Fax [phone]
www.landisstaefa.com
© 2002 Siemens Building Technologies Ltd.
Subject to alteration

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Contents
1Summary..................................................................................................17
1.1 Brief description .......................................................................................17
1.2 Features ...................................................................................................17
1.3 Range of products....................................................................................19
1.4 Field of use...............................................................................................20
1.5 Product liability .........................................................................................20
1.6 Environmental compatibility .....................................................................20
2Handling ...................................................................................................21
2.1 Installation ................................................................................................21
2.1.1 Mounting location.....................................................................................21
2.1.2 Mounting methods....................................................................................21
2.1.3 Installation ................................................................................................21
2.1.4 Mounting procedure (base mounting)......................................................22
2.2 Electrical installation ................................................................................24
2.2.1 Regulations for installation.......................................................................24
2.2.2 Installation procedure...............................................................................24
2.3 Commissioning.........................................................................................27
2.3.1 Functional checks ....................................................................................27
2.4 Operation .................................................................................................28
2.4.1 Operating elements..................................................................................28
2.4.2 Operating procedure ................................................................................29
2.5 Parameter settings for the enduser..........................................................30
2.5.1 Overview of enduser parameters.............................................................31
2.6 Parameter settings for the heating engineer............................................33
2.6.1 Overview of heating engineer parameters...............................................34
2.7 Parameter settings for the Expert ............................................................49
2.7.1 Overview of EXP parameters...................................................................50
2.8 Operational faults.....................................................................................53
3Description of the enduser settings..........................................................55
User interface ..........................................................................................................55
3.1 Heating circuit operating modes ..............................................................55
3.2 Operating mode of d.h.w. heating............................................................57
3.2.1 Manual d.h.w. push..................................................................................57
3.3 Nominal room temperature setpoint.........................................................58
3.3.1 Temperature adjustment via the room unit ..............................................59
3.4 Manual operation .....................................................................................59
3.5 Green mode .............................................................................................61
3.6 Info button ................................................................................................62

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Setting the clock ......................................................................................................63
3.7 Time of day...............................................................................................63
3.8 Weekday ..................................................................................................63
3.9 Date (day / month) and year ....................................................................63
Time switch program for space heating ..................................................................64
3.10 Preselection of weekday ..........................................................................64
3.11 Switching times ........................................................................................65
Free time switch program ........................................................................................66
3.12 Preselection of weekday ..........................................................................66
3.13 Switching times ........................................................................................66
Time switch program for d.h.w. heating ..................................................................67
3.14 Preselection of weekday ..........................................................................67
3.15 Switching times ........................................................................................68
D.h.w. values ...........................................................................................................69
3.16 Nominal d.h.w. temperature setpoint .......................................................69
Heating circuit values ..............................................................................................70
3.17 Reduced room temperature setpoint (TRRw) ..........................................70
3.18 Frost protection setpoint of the room temperature (TRFw)......................71
3.19 Summer / winter changeover temperature of the heating circuit .............71
3.20 Heating curve slope .................................................................................73
3.21 Actual value of the room temperature......................................................73
General 74
3.22 Actual value of the outside temperature ..................................................74
3.23 Resetting the enduser parameters...........................................................74
3.24 Resetting the heating circuit and d.h.w. time switch programs................74
Holiday program ......................................................................................................75
3.25 Preselection of holiday periods ................................................................76
3.26 Start and end of the holiday period ..........................................................76
General / service......................................................................................................76
3.27 Indication of faults ....................................................................................76
3.28 Chimney sweep........................................................................................79
Solar collectors ........................................................................................................80
3.29 24-hour yield of solar energy....................................................................80
3.30 Total yield of solar energy........................................................................80
3.31 Acknowledgement of heat pump error messages 135 and 137 ..............80
4Description of the heating engineer settings............................................81
General / service......................................................................................................81
Basic diagrams ........................................................................................................81
4.1 Selection of the basic diagram number....................................................81
Configuration ...........................................................................................................82
Partial diagrams.......................................................................................................82
4.2 Selection of partial diagram “Oil- / gas-fired boiler”..................................82

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4.3 Selection of partial diagram “Solar collectors” .........................................83
4.4 Selection of partial diagram “Wood-fired boiler” ......................................84
4.5 Selection of partial diagram “Heat pump” ................................................84
4.6 Display of partial diagram “Buffer storage tank” ......................................85
4.7 Display of partial diagram “D.h.w. storage tank” ..........................................85
4.8 Display of partial diagram “Combi storage tank”......................................86
4.9 Selection of partial diagram “Heating circuit” ...........................................86
Hiding sensors that are not required .......................................................................87
4.10 Source outside sensor B9........................................................................87
4.11 Reduction first d.h.w. storage tank temperature sensor B3.....................87
4.12 Reduction second d.h.w. storage tank temperature sensor B31.............88
4.13 Reduction second buffer storage tank temperature sensor B41 .............88
4.14 Reduction return temperature sensor B72 of the wood-fired boiler.........88
4.15 Reduction heat pump flow temperature sensor B21................................89
4.16 Reduction heat pump return temperature sensor B71.............................89
4.17 Reduction water / brine temperature sensor B11 ....................................89
Auxiliary functions....................................................................................................90
4.18 Return diversion Y15 / Y¯ 15 / B73 (ZuFu1)............................................90
4.19 Partial storage tank Y14 / Y¯14 / B43 (ZuFu2)........................................92
4.20 Storage tank transfer pump Q11 (ZuFu3)................................................94
4.21 D.h.w. circulating pump Q4 (ZuFu4)........................................................95
4.22 Additional pump Q17 for heat pump stage 2 (ZuFu5) .............................96
4.23 System pump Q14 (ZuFu6) .....................................................................97
4.24 Pump H1 Q15 (ZuFu7) ............................................................................98
4.25 Alarm output K10 (ZuFu8) .......................................................................99
4.26 Output “Overtemperature protection K11 / K¯11” (ZuFu9)....................100
4.27 Relay K17 for the flue gas temperature function (ZuFu10) ...................101
4.28 Flue gas temperature sensor B8 (ZuFu10)............................................102
4.29 Third buffer storage tank temperature sensor B42 (ZuFu11) ................103
4.30 Common flow temperature sensor B10 (ZuFu12) .................................104
4.31 Solar flow temperature sensor B62 (ZuFu13)........................................105
4.32 Solar flow temperature sensor B63 for yield measurement (ZuFu14)...106
4.33 Solar return temperature sensor B64 for yield measurement (ZuFu14) 107
4.34 Solar heat exchanger diverting valve K¯8 (ZuFu15) .............................107
4.35 Solar diverting valve K¯9 (ZuFu16) .......................................................108
4.36 Output (K13) for the free time switch program (ZuFu23).......................109
4.37 Electric immersion heater buffer storage tank K16 (ZuFu24)................110
4.38 Electric immersion heater K6 for the d.h.w. storage tank (ZuFu25) ......112
4.39 D.h.w. diverting valve Q¯3 (ZuFu26) .....................................................113
4.40 Heat generation lock Y4 / Y¯4 (ZuFu27) ...............................................114
4.41 Solar swimming pool heating K18 / K¯18 / B13 (ZuFu28).....................116
Miscellaneous........................................................................................................121

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4.42 D.h.w. heating with charging pump or diverting valve Q3......................121
4.43 Setpoint and time switch program for d.h.w. heating with a BMU .........122
4.44 Function of system pump Q14 ...............................................................122
General 123
Configuration diagnosis .........................................................................................123
4.45 Display of relay terminal assignment .....................................................123
4.46 Display of sensor terminal assignment ..................................................124
4.47 Display of configuration errors ...............................................................125
4.48 Display of diagram identification numbers (parts 1, 2, 3 and 4).............127
Terminal test..........................................................................................................128
4.49 Output test..............................................................................................128
4.50 Input test.................................................................................................129
4.51 Display of PPS communication..............................................................130
Setpoint / actual value of the common flow...........................................................131
4.52 Display of the common flow temperature setpoint.................................131
4.53 Actual value of the common flow temperature.......................................132
Flue gas temperature ............................................................................................132
4.54 Actual value B8 of the flue gas temperature..........................................132
4.55 Display of maximum value of flue gas temperature B8 .........................132
4.56 Maximum limitation of the flue gas temperature ....................................133
4.57 Switch-on temperature flue gas temperature sensor function (ZuFu10)133
4.58 Switch-off temperature flue gas temperature sensor function (ZuFu10)134
Oil- / gas-fired boiler ..............................................................................................135
Setpoints / actual values........................................................................................135
4.59 Display of the boiler temperature setpoint (TKw)...................................135
4.60 Actual value B2 / PPS (TKx) of the boiler temperature..........................135
4.61 Setpoint of minimum limitation of the return temperature ......................135
4.62 Actual value of return temperature B7 ...................................................136
4.63 Burner hours run of stage 1 (K4 / PPS) .................................................136
4.64 Burner hours run of stage 2 (K5)............................................................137
4.65 Number of burner starts of stage 1 (K4 / PPS) ......................................137
4.66 Number of burner starts of stage 2 (K5) ................................................137
Functions ...............................................................................................................138
4.67 Minimum limitation of the boiler temperature (TKmin) ...........................138
4.68 Frost protection for the plant with the boiler pump................................139
Diagnosis ...............................................................................................................139
4.69 Display of BMU error code .....................................................................139
4.70 Functional test of oil- / gas-fired boiler ...................................................140
Solar collectors ......................................................................................................141
Setpoints / actual values........................................................................................141
4.71 Actual value of solar collector sensors B6 and B61...............................141
4.72 Actual value of collector flow temperature B62......................................142

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4.73 Maximum values B6 and B61 of the collector temperature ...................142
4.74 Temperature differentials collector / heat exchanger.............................143
4.75 Temperature differentials collector / swimming pool..............................145
Hours run counter..................................................................................................145
4.76 Hours run of collector pumps Q5 and Q16 ............................................145
4.77 Hours run of pump K12 / diverting valve K8 ..........................................146
4.78 Hours run of swimming pool heating K18 ..............................................146
Solar swimming pool heating ................................................................................147
4.79 Swimming pool setpoint temperature.....................................................147
4.80 Actual value of swimming pool temperature B13...................................147
4.81 Temperature differential swimming pool ON .........................................147
4.82 Temperature differential swimming pool OFF........................................148
4.83 Maximum swimming pool charging temperature ...................................148
4.84 Heat exchanger pump operation for swimming pool .............................148
4.85 Measured value correction swimming pool sensor B13 .......................149
Functions ...............................................................................................................150
4.86 Selection of the type of collector sensors B6 and B61 ..........................150
4.87 Measured value correction collector sensors B6 / B61 / B62 ................150
4.88 Heat exchanger pump operation for partial diagram Sol 5 ....................151
4.89 Temperature differential ON heat exchanger ........................................152
4.90 Temperature differential OFF heat exchanger.......................................153
4.91 Priority with 2 heat exchangers..............................................................154
Solar yield measurement.......................................................................................156
4.92 Type of antifreeze agent added .............................................................157
4.93 Concentration of antifreeze agent..........................................................157
4.94 Pulse value flow meter...........................................................................158
4.95 Volumetric flow solar pump....................................................................158
4.96 Selection of type of sensor B63 and B64 for solar yield measurement.159
4.97 Actual value of solar flow temperature B63 ...........................................159
4.98 Actual value of solar return temperature B64 ........................................159
Speed-controlled solar pump ................................................................................160
4.99 Functioning.............................................................................................160
4.100 Display of speed of the solar pump Q5 / K9 ..........................................161
4.101 Minimum speed of the solar pump.........................................................161
4.102 Maximum speed of the solar pump........................................................162
Diagnosis...............................................................................................................162
4.103 Functional test solar...............................................................................162
Wood-fired boiler ...................................................................................................163
Setpoints / actual values .......................................................................................163
4.104 Display of the boiler temperature setpoint .............................................163
4.105 Display of actual value of boiler temperature B22 .................................163
4.106 Display of the return temperature setpoint.............................................163

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4.107 Display of actual value of return temperature B72.................................163
Hours run counter..................................................................................................164
4.108 Operating hours of pump of the wood-fired boiler..................................164
4.109 Operating hours of wood-fired boiler (K3)..............................................164
4.110 Number of releases of the wood-fired boiler (K3) ..................................164
Functions ...............................................................................................................165
4.111 Minimum temperature differential of the wood-fired boiler.....................165
4.112 Minimum temperature of the wood-fired boiler for release of the pump 166
4.113 Switching differential of “Minimum temperature of the wood-fired boiler for
release of the pump”..............................................................................................167
4.114 Pump overrun time.................................................................................167
4.115 Strategy for the wood-fired boiler...........................................................168
4.115.1 Generation of heat demand (Setting 1)..................................................169
4.115.2 Storage tank priority ...............................................................................169
4.116 Wood-fired boiler locks other heat sources............................................170
4.117 Frost protection for the plant with the pump of the wood-fired boiler.....170
Residual heat function ...........................................................................................171
4.118 Maximum duration of the residual heat function ....................................171
4.119 Residual heat function performed once / several times.........................172
4.120 Residual heat function with buffer storage tank stratification protection172
4.121 Residual heat function directly for the consumers .................................173
Speed-controlled pump of wood-fired boiler..........................................................174
4.122 Display of speed of pump Q10 of the wood-fired boiler.........................174
4.123 Minimum speed of pump of the wood-fired boiler..................................174
4.124 Maximum speed of pump of the wood-fired boiler.................................174
Diagnosis ...............................................................................................................175
4.125 Functional test of the wood-fired boiler ..................................................175
Heat pump .............................................................................................................175
Setpoints / actual values........................................................................................175
4.126 Display of heat pump flow temperature setpoint....................................175
4.127 Actual value of the heat pump flow temperature B21 ............................176
4.128 Display of heat pump return temperature setpoint.................................176
4.129 Display of actual value of heat pump return temperature B71...............176
4.130 Actual value of water / brine flow temperature B11 ...............................176
Hours run counter..................................................................................................177
4.131 Operating hours heat pump stage 1 (K1)...............................................177
4.132 Operating hours heat pump stage 2 (K2)...............................................177
4.133 Number of starts of heat pump stage 1 (K1)..........................................178
4.134 Number of starts of heat pump stage 2 (K2)..........................................178
Functions ...............................................................................................................179
4.135 Control sensors for the heat pump.........................................................179
4.136 Heat pump switching differential ON......................................................180
4.137 Heat pump switching differential OFF....................................................180

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4.138 Flow / return temperature differential at –10 °C.....................................181
4.139 Compensation of mixing valve boost .....................................................182
4.140 Frost protection for the plant acting on the heat pump circulator ..........182
4.141 Additional pump kick for water / brine pump..........................................183
4.142 Control of the heat pump circulators......................................................183
Diagnosis...............................................................................................................184
4.143 Functional test of the heat pump............................................................184
Buffer storage tank ................................................................................................185
Setpoints / actual values .......................................................................................185
4.144 Actual values of buffer storage tank temperature sensors B4, B41, B42
and B43 185
4.145 Maximum value of buffer storage tank sensor B4 .................................186
4.146 Display of actual value of return temperature B73.................................186
4.147 Display of setpoint of the buffer storage tank temperature....................186
Functions ...............................................................................................................187
4.148 Buffer storage tank charging with the wood-fired boiler.........................187
4.149 Minimum buffer storage tank temperature level when charging with the
collectors (TPmin)..................................................................................................188
4.150 Maximum buffer storage tank charging temperature.............................189
4.151 Automatic heat generation lock..............................................................189
4.152 ΔT Differential between buffer storage tank temperature and heat
demand from the heating circuit............................................................................190
4.153 Forced buffer storage tank charging with heat pump ............................190
Return diversion ....................................................................................................192
4.154 Return diversion temperature differential ON (ZuFu1) ..........................192
4.155 Return diversion temperature differential OFF (ZuFu1).........................192
4.156 Operating action of the return diversion (ZuFu1)...................................193
4.157 Storage tank sensor for the return diversion (ZuFu1)............................193
Electric immersion heater......................................................................................194
4.158 Release outside temperature for electric immersion heater in the buffer
storage tank...........................................................................................................194
4.159 Selection of control sensor for electric immersion heater in the buffer
storage tank...........................................................................................................194
Buffer storage tank overtemperature.....................................................................195
4.160 Functioning.............................................................................................195
4.161 Difference between the maximum storage tank temperature (MSP) and
the buffer storage tank safety temperature ...........................................................196
4.162 Hysteresis for buffer storage tank cooling function with priority 1 .........196
4.163 Priority of buffer storage tank cooling with the transfer pump ...............197
4.164 Priority of buffer storage tank cooling with the collector pump ..............197
4.165 Priority of buffer storage tank cooling with the heat source pump.........198
4.166 Priority of buffer storage tank cooling with overtemperature protection
output K11 .............................................................................................................198

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4.167 Priority of buffer storage tank cooling through delivery of heat for space
heating 199
D.h.w. storage tank................................................................................................200
Functions ...............................................................................................................200
4.168 D.h.w. heating with electric immersion heater K6..................................200
4.169 Recharge control of the d.h.w. storage tank ..........................................201
4.170 Minimum d.h.w. storage tank temperature level when charging with the
collector (TBmin)....................................................................................................202
4.171 Maximum d.h.w. storage tank charging temperature.............................203
Heat transfer to the d.h.w. storage tank ................................................................203
4.172 Functioning.............................................................................................203
4.173 Heat transfer with the d.h.w. sensor ......................................................204
4.174 Automatic heat transfer from the buffer to the d.h.w. storage tank........204
4.175 Heat transfer strategy summer / winter..................................................204
4.176 Heat transfer temperature differential ON..............................................205
4.177 Heat transfer temperature differential OFF ............................................205
Overtemperature protection d.h.w. storage tank...................................................206
4.178 Functioning.............................................................................................206
4.179 Difference between the maximum storage tank temperature (MSB) and
the d.h.w. storage tank safety temperature ...........................................................207
4.180 Hysteresis for the d.h.w. cooling function with priority 1 ........................207
4.181 Priority of d.h.w. storage tank cooling with the heat transfer pump .......208
4.182 Priority of d.h.w. storage tank cooling with the collector pump ..............208
4.183 Priority of d.h.w. storage tank cooling with overtemperature protection
output K11 .............................................................................................................209
Diagnosis ...............................................................................................................209
4.184 Functional test of the d.h.w. storage tank ..............................................209
Combi storage tanks..............................................................................................209
4.185 B4 delivers the temperature signal for the B31 functionality..................209
Bivalent operation..................................................................................................210
Heat source sequence...........................................................................................210
4.186 Lead heat source ...................................................................................210
4.187 Delayed switching on of lag heat source ...............................................211
4.188 Release integral for the lag heat source ................................................211
4.189 Reset integral of the lag heat source .....................................................211
Release depending on the outside temperature ...................................................212
4.190 Release of oil- / gas-fired boiler below the outside temperature threshold213
4.191 Release of heat pump above the outside temperature threshold..........214
4.192 Release of wood-fired boiler below the outside temperature threshold.214
D.h.w. heating........................................................................................................215
4.193 Heat source strategy for d.h.w. heating .................................................215
Heating circuit / space heating ..............................................................................216
Setpoints / actual values........................................................................................216

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4.194 Displaying the nominal room temperature setpoint ...............................216
4.195 Display of room temperature setpoint TRw ...........................................217
4.196 Heating circuit flow temperature setpoint TVw ......................................217
4.197 Actual value of the heating circuit flow temperature TVx (B1)...............217
4.198 Attenuated outside temperature TAxged ...............................................218
4.199 Composite outside temperature TAxgem ..............................................219
4.200 Measured value correction outside sensor B9.......................................220
Functions ...............................................................................................................220
4.201 Parallel displacement of the heating curve ............................................220
4.202 Room influence ......................................................................................221
4.203 Switching differential of the room temperature (SDR) ...........................222
4.204 Minimum limitation of the flow temperature setpoint (TVmin)................223
4.205 Maximum limitation of the flow temperature setpoint (TVmax)..............224
4.206 Type of building construction .................................................................224
4.207 Adaption of the heating curve ................................................................225
4.208 Maximum forward shift of optimum start control ....................................227
4.208.1 Without room temperature sensor .........................................................227
4.208.2 With room temperature sensor ..............................................................228
4.209 Maximum forward shift of optimum stop control ....................................228
4.210 Locking signal gain heating circuit .........................................................229
4.211 Frost protection for the plant with the heating circuit pump ...................229
4.212 Outside temperature for start and end of lift of the reduced room
temperature setpoint .............................................................................................230
Floor curing............................................................................................................231
4.213 Floor curing ............................................................................................231
4.213.1 Temperature profile................................................................................231
4.213.2 Activating the function............................................................................232
4.213.3 Function .................................................................................................232
4.213.4 Display ...................................................................................................232
4.213.5 Aborting the function ..............................................................................232
4.214 Floor curing data ....................................................................................233
Speed-controlled pump .........................................................................................233
4.215 Display of speed of heating circuit pump Q2 .........................................233
4.216 Minimum speed of the heating circuit pump ..........................................233
4.217 Maximum speed of the heating circuit pump .........................................233
4.218 Speed reduction of the heating circuit pump .........................................234
Diagnosis...............................................................................................................234
4.219 Functional test of the heating circuit ......................................................234
D.h.w. 235
Setpoints / actual values .......................................................................................235
4.220 Display of the d.h.w temperature setpoint TBWw..................................235
4.221 Actual values of d.h.w. temperatures B3/BMU, B31, B32 and B33.......236
4.222 Maximum values of d.h.w. temperatures B3 / B32 ...............................236

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Functions ...............................................................................................................237
4.223 Reduced setpoint of d.h.w. temperature TBWR ....................................237
4.224 Release of d.h.w. heating.......................................................................238
4.224.1 24-hour operation Setting 0...................................................................238
4.224.2 Operation according to the heating program with forward shift, Setting 1238
4.224.3 Operation according to the d.h.w. time switch program Setting 2 ........239
4.225 Program selection circulating pump.......................................................239
4.226 Assignment of d.h.w. heating.................................................................240
4.227 Number of d.h.w. charging cycles ..........................................................241
4.227.1 Once per day with a forward shift of 2.5 hours Setting 0 ......................241
4.227.2 Several times per day with a forward shift of 1 hour Setting 1..............241
4.228 Type of d.h.w. demand...........................................................................242
4.229 Boost of the flow temperature setpoint for d.h.w....................................243
4.230 D.h.w. priority .........................................................................................244
4.230.1 Shifting priority........................................................................................244
4.231 D.h.w. priority when charging with the buffer storage tank ....................246
4.232 Automatic d.h.w. push............................................................................247
4.233 D.h.w. charging time limitation ...............................................................248
4.234 Changeover to d.h.w. heating with electric immersion heater ...............248
Legionella function.................................................................................................249
4.235 Periodicity of the legionella function.......................................................249
4.236 Legionella function strategy ...................................................................250
4.237 Setpoint of the legionella function ..........................................................251
4.238 Time for the legionella function ..............................................................251
4.239 Dwelling time at legionella function setpoint ..........................................251
4.240 Circulating pump operation during the legionella function .....................252
General functions ..................................................................................................253
4.241 Effect of the green button.......................................................................253
4.242 Frost protection for the plant with the system pump ..............................253
4.243 Central setpoint compensation...............................................................254
LPB / system..........................................................................................................255
4.244 LPB device address ...............................................................................255
4.245 LPB segment address............................................................................256
4.246 LPB power supply ..................................................................................256
4.247 Display of LPB power supply .................................................................257
4.248 Range of action of central changeover ..................................................257
4.249 Automatic summer / winter changeover.................................................258
4.250 Central standby switch ...........................................................................258
4.251 Outside temperature source...................................................................259
Clock 260
4.252 Clock mode ............................................................................................260
4.253 Winter- / summertime changeover.........................................................261

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4.254 Summer- / wintertime changeover.........................................................261
Input H1 262
4.255 Function selection input H1....................................................................262
4.255.1 Changeover of operating mode (remote telephone switch) Setting 1 / 2263
4.255.2 Minimum setpoint of the flow temperature, contact H1 Setting 3 .........265
4.255.3 Heat generation lock oil / gas or heat pump Setting 4 or 11.................265
4.255.4 Heat demand Setting 5 .........................................................................265
4.256 Minimum setpoint of the flow temperature, contact H1 (TVHw) ............266
4.257 Maximum value of heat demand DC 0...10 V (H1)................................267
4.258 Operating action of the contact connected to H1...................................267
Input E1 268
4.259 Display of hours run, input E1................................................................268
4.260 Display of number of starts, input E1.....................................................268
4.261 Function selection input E1....................................................................268
4.262 Operating action of voltage signal at input E1 .......................................270
Output P1 (PWM) ..................................................................................................270
4.263 Function selection P1.............................................................................270
4.264 PWM signal logic P1 ..............................................................................271
4.265 Display of PWM output P1 .....................................................................272
4.266 Output test PWM signal P1....................................................................272
Output Ux (DC 0…10 V)........................................................................................272
4.267 Function selection output Ux..................................................................272
4.268 Maximum value of heat demand Ux ......................................................274
4.269 Voltage output signal logic Ux................................................................275
4.270 Displaying voltage output Ux .................................................................275
4.271 Output test voltage output Ux ................................................................275
Reset 276
4.272 Resetting the heating engineer parameters...........................................276
5Description of the EXP settings .............................................................277
EXP general ..........................................................................................................277
5.1 General frost protection for the plant .....................................................277
5.1.1 Frost protection for the plant ..................................................................278
Oil- / gas-fired boiler EXP......................................................................................279
5.2 Minimum limitation of the boiler temperature setpoint EXP (TKminEXP) 279
5.3 Maximum limitation of the boiler temperature setpoint (TKmax) ...........279
5.4 Switching differential of the boiler temperature (SDK)...........................279
5.5 Minimum limitation of the burner running time.......................................281
5.6 Release integral of burner stage 2.........................................................282
5.7 Reset integral of burner stage 2.............................................................283
5.8 Pump overrun time.................................................................................284
5.9 Operating mode of the boiler .................................................................285
5.10 Protective boiler startup .........................................................................286

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5.10.1 Impact on 2-position loads .....................................................................286
5.10.2 Impact on modulating loads ...................................................................287
5.10.3 Temperature-time integral......................................................................287
5.11 Control of the boiler pump......................................................................288
Minimum limitation of the return temperature........................................................289
5.12 Minimum limitation of the boiler return temperature EXP ......................289
5.13 Maintained boiler return temperature with impact on the consumers....289
5.14 Switching differential of the bypass pump (SDBP) ................................290
5.15 Control of the bypass pump ...................................................................291
5.15.1 Parallel with the burner Setting 0 ...........................................................291
5.15.2 According to the boiler return temperature Setting 1 ............................292
5.16 P-band minimum limitation of the return temperature oil / gas (Xp) ......293
5.17 Integral action time minimum limitation of the return temperature oil / gas
(Tn) 293
5.18 Actuator running time minimum limitation of the return temperature oil /
gas 294
Solar collectors ......................................................................................................294
5.19 Maximum limitation of the collector temperature ...................................294
5.20 Hysteresis for maximum limitation of the collector temperature ............295
5.21 Collector frost protection temperature....................................................295
5.22 Maximum storage tank charging time ....................................................296
5.23 Maximum waiting time............................................................................297
5.24 Changeover / startup delay bypass valve / charging pump K9..............297
Protection for the collector pump...........................................................................298
5.25 Evaporation temperature of heat conducting medium ...........................298
5.26 Switching differential to evaporation temperature of heat conducting
medium 298
Wood-fired boilers .................................................................................................299
5.27 Protective startup of wood-fired boilers..................................................299
5.28 Minimum limitation of the return temperature of the wood-fired boiler...299
5.29 P-band minimum limitation of the return temperature of the wood-fired
boiler (Xp) ..............................................................................................................300
5.30 Integral action time minimum limitation of the return temperature of the
wood-fired boiler (Tn) ............................................................................................300
5.31 Actuator running time minimum limitation of the return temperature of the
wood-fired boiler ....................................................................................................301
Heat pump .............................................................................................................301
5.32 Maximum switch-off temperature...........................................................301
5.33 Minimum switch-on temperature............................................................301
5.34 Prerun time of heat pump circulator and water / brine pump.................302
5.35 Overrun time of heat pump circulator and water / brine pump...............302
5.36 Minimum compressor on time................................................................302
5.37 Minimum compressor off time................................................................303
5.38 Automatic switch-on attempt after heat pump fault 135 and 137...........303

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5.39 Compensation of running time-related surplus heat / heat deficit .........304
Second heat pump stage ......................................................................................305
5.40 Locking time of heat pump stage 2........................................................305
5.41 Release integral heat pump stage 2 ......................................................305
5.42 Reset integral heat pump stage 2..........................................................306
5.43 Changeover of stage sequence.............................................................306
5.44 Minimum water / brine temperature .......................................................306
5.45 Switching differential of minimum water / brine temperature.................307
Buffer storage tank EXP........................................................................................307
5.46 Buffer storage tank safety temperature .................................................307
D.h.w. storage tank EXP .......................................................................................308
5.47 D.h.w. storage tank safety temperature.................................................308
Space heating EXP ...............................................................................................308
5.48 Boost of the flow temperature setpoint at the mixing valve (UEM)........308
5.49 Gain factor of room influence (KORR)...................................................309
5.50 Constant for quick setback and optimum start control (KON) ...............310
5.51 Boost of room temperature setpoint.......................................................311
5.52 Control mode of actuator .......................................................................312
5.53 Switching differential of actuator ............................................................312
5.54 Overtemperature protection for the pump heating circuit ......................313
5.55 Heat gains (Tf) .......................................................................................314
5.56 Adaption sensitivity 1 (ZAF2) .................................................................314
5.57 Adaption sensitivity 2 (ZAF2) .................................................................315
5.58 P-band of the heating circuit (Xp) ..........................................................316
5.59 Integral action time of the heating circuit (Tn)........................................316
5.60 Actuator running time heating circuit......................................................317
D.h.w. EXP ............................................................................................................317
5.61 Maximum nominal setpoint of the d.h.w. temperature (TBWmax).........317
5.62 Switching differential of the d.h.w. temperature (SDBW).......................318
5.63 D.h.w. discharge protection when charging with the wood-fired boiler..319
5.64 D.h.w. discharge protection when charging with the oil- / gas-fired boiler320
General / service EXP ...........................................................................................320
5.65 Software version ....................................................................................320
5.66 Device operating hours ..........................................................................321
5.67 Resetting the EXP parameters ..............................................................321
5.68 Displaying the version of the basic diagram table .................................321
6General control processes .....................................................................322
6.1 Generating the boiler temperature setpoint ...........................................322
6.2 Slave pointer for the buffer storage tank................................................323
6.3 Setpoint boost for the combi storage tank (KoSp 1 – 3)........................323
6.4 Protection against discharging after d.h.w. heating...............................324
6.5 Automatic 24-hour heating limit .............................................................324

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6.5.1 Without room influence ..........................................................................324
6.5.2 With room influence ...............................................................................325
6.6 Quick setback with room temperature sensor........................................326
6.7 Temperature differential of flow / return temperature.............................327
6.7.1 Purpose of the function ..........................................................................327
6.7.2 Variants ..................................................................................................327
6.7.3 Function description of variant 2 (according to the heating curve) .......328
6.7.4 Setting the parameters at the time of commissioning............................328
6.7.5 Control of pumps with no speed control.................................................329
6.8 Pump kick / valve kick ............................................................................330
6.9 Frost protection ......................................................................................330
6.9.1 For the BMU (modulating)......................................................................330
6.9.2 For a single- or 2-stage oil- or gas-fired boiler.......................................330
6.9.3 For the heating circuit.............................................................................331
6.9.4 For the d.h.w. storage tank ....................................................................331
6.9.5 For the buffer storage tank.....................................................................332
7Dimensions.............................................................................................333
8Technical data........................................................................................334
Index 336

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1 Summary
1.1 Brief description
SIGMAGYR™ controllers RVP540 and RVP550 are designed for the coordinated con-
trol of the following pieces of heat generating equipment:
solar collector
wood-fired boiler
heat pump
Oil- or gas-fired boiler
With the RVP540, the maximum number of heat sources is limited to 2 , with
the RVP550, to 3.
Buffer and / or d.h.w. storage tank
or combi storage tank
Pump heating circuit
or mixing heating circuit
1.2 Features
•Mono- or bivalent heat generation
•Heat generation with oil- or gas-fired boilers
•Heat generation with wood-fired boilers
•Heat generation with heat pump
•Heat generation with solar collectors
•Management of buffer, d.h.w. or combi storage tanks
•Heat generation controlled either directly by the RVP540 or by an additional con-
troller of the SIGMAGYR™ range (e.g. RVL471, RVL472 or BMU)
•Heat source temperature setpoint according to the heat demand from the heating
circuits connected to the system
•Heat source temperature setpoint according to the temperature requisition
(DC 0…10 V, input H1, for controllers not included in the system)
•Heat generation lock or minimum demand for heat with the remote switch (via con-
tact H1)
•Overload detection (shifting priority)
•Green operation
•Manual operation
•Chimney sweep function
•Automatic operation
•Weather-compensated heating circuit control with or without room influence
•Adjustable maximum limitation of the heat demand signals delivered to heat generation
•Quick setback and boost heating
•Automatic 24-hour heating limit
•Automatic summer / winter changeover
•The building's thermal dynamics are taken into consideration
•Automatic adjustment of the heating curve to the type of building construction and
the heat demand (provided a room unit is connected)
•Floor curing function
•Optimum start / stop control
Types of heat sources
Storage tanks
Heating circuits
Heat generation
Heating circuit

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•Protective boiler startup (acting on the consumers)
•Minimum limitation of the boiler return temperature (acting on the mixing valve, by-
pass pump and / or consumers)
•Protection against boiler overtemperature (pump overrun)
•Adjustable minimum and maximum limitation of the boiler temperature
•Cycling protection for heat generation
•Frost protection for the building and the plant
•Frost protection for the boiler and the d.h.w. storage tank connected directly to the
controller
•Pump protection through periodic pump kick
•Overtemperature protection for the pump heating circuit
•Overtemperature protection for the storage tanks and the collector circuit
•Room temperature adjustment with setpoint knob
•Automatic button for efficient automatic operation throughout the year
•Operating mode buttons
•Button for green mode
•Info button for additional information about the plant values
•D.h.w. button
•Manual operation via manual operation button
•7-day or 24-hour program for the heating circuit and d.h.w. heating
•Remote operation via digital room unit
•Output and input tests to aid commissioning and functional checks
•Change of operating mode via a remote switch (via contact H1)
•Service connection facility for local parameter settings and data logging
•Holiday program
•D.h.w. heating with charging pump
•D.h.w. control with temperature sensor or control thermostat
•Selectable priority for d.h.w. heating
•Selectable d.h.w. heating program
•Adjustable boost of the d.h.w. charging temperature
•Reduced setpoint of the d.h.w. temperature
•Protection against discharging of d.h.w.
•Automatic d.h.w. push
•Legionella function
•Storage tank charge transfer with pump
•Manual d.h.w. push
•Communication via the Local Process Bus (LPB)
•Communicating via PPS (BMU / room unit)
•Controllers of other manufacture can deliver their heat demand signal by closing
potential-free contact H1
•Controllers of other manufacture can deliver their analog heat demand by using
DC 0...10 V signals
•Integrity of system architecture with all RVP... controllers
•Can be extended to include 40 heating circuits (with central bus power supply)
•Optional remote supervision
•Error messages (own faults, faults of LPB devices, faults of PPS devices)
•Logging the individual burner operating hours
•Logging the number of burner starts
•Logging the number of device operating hours
•Logging the number of pump operating hours
Protection for the plant
Operation
D.h.w.
Use in extensive
systems
Logging

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1.3 Range of products
The following units and accessories are designed for use with the SIGMAGYR range:
Type of unit Description Documentation no.
RVL471 Boiler and heating circuit controller (C-series) CE1P2524E
RVL472 Boiler and heating circuit controller (C-series) CE1P2526E
RVx… Zone controllers with LPB-communication
ACS700 Service tool for use in the field CE1N5641en
ACS712 Service tool for use in the field CE1N5643en
ACS713 Service tool for use in the field CE1N5644en
ACS715 Service tool for use in the field CE1N5645en
ACS741 Service tool for use in the field CE1N5647en
ACS785 Service tool for use in the field CE1N5648en
OCI69 Communication interface for service tool
OCI600 Central communication unit CE1N2529E
OCI611… Central communication unit CE1N2533E
QAA10 Digital room sensor
QAW50 Digital room unit
QAW50.03 Digital room unit
QAW70 Digital, multi-functional room unit
Working range
QAC22… Outside sensor LG-Ni 1000 (-35...70 °C)
QAC32... Outside sensor NTC 575 (-35...70 °C)
QAD22… Strap-on sensor LG-Ni 1000 (-30...130 °C)
QAD26.220 Strap-on sensor LG-Ni 1000 (-35...90 °C)
QAZ21… Immersion sensor LG-Ni 1000 (0...95 °C)
QAP21.2 Immersion sensor LG-Ni 1000 complete with cable (-30...180 °C)
FGT Pt 1000 Flue gas sensor Pt 1000 (-20...400 °C)
AGS2S.200/109 Conduit box with overvoltage protection
(to protect collector sensor B6 or B61 against surge voltages in
case of lightning)
Controllers
Service tool
Remote supervision
Room units
Sensor
Overvoltage protection

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1.4 Field of use
•Installers who specialize in the field of alternative forms of energy
•Companies offering system solutions with alternative forms of energy
•Residential and nonresidential buildings with own space heating and d.h.w. heating
facility
•Residential and nonresidential buildings having a common heat generating plant
•Heat distribution with standard heating systems such as
radiator, convector, underfloor and ceiling heating systems, and radiant panels
•With or without d.h.w. heating
•Solar collectors
•Wood-fired boiler
•Heat pumps
•Heating boilers with single- or 2-stage oil- or gas-fired burners
•Heating boilers with modulating burners (e.g. gas-fired wall-hung boilers)
1.5 Product liability
•The products may only be used in building services plant and applications as de-
scribed above
•When using the products, all requirements specified in sections “Mounting” and
“Electrical installation” and in chapter "Technical data" must be satisfied
•When using the products in a system, all requirements contained in data sheets no.
CE1N2030E and CE1N2032E must be satisfied
•The local regulations for electrical installation must be complied with
1.6 Environmental compatibility
The controllers contain electrical and electronic components and may not be disposed
of together with household garbage. Local and currently valid legislation must be
observed!
Target market
Types of buildings
Types of heating systems
Types of heat sources
Note on disposal