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Siemens RVP540, Basic Documentation

The Siemens RVP540 is a versatile and user-friendly device designed for efficient and reliable control of various HVAC systems. Accessing its Basic Documentation is a breeze with our free manual download option available at manualshive.com. Equip yourself with the essential guide to maximize your system's potential effortlessly.

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Siemens Building Technologies 

Basic Documentation RVP540 / RVP550 

CE1P2488en 

HVAC Products 

Description of the heating engineer settings 

18.10.2002 

 

Alternatively 

Parallel 

B6

Q5

Sol 11

K8

0

1

B62

K9

 

 

B6

Q5

Sol 11

K8

0

1

B62

K9

 

B6

Q5

B61

Q16

Sol 12

 

 

 

0

1

B6

Q5

B61

Q16

Sol 14

K9

B62

 

 

 

B6

Q5

B61

Q16

Sol 15

B62

K9

 

 

Summary of Contents for RVP540

Page 1: ...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 ...

Page 2: ...tion RVP540 RVP550 CE1P2488en HVAC Products 18 10 2002 Siemens Building Technologies Ltd HVAC Products Gubelstrasse 22 CH 6301 Zug Tel 41 41 724 24 24 Fax 41 41 724 35 22 www landisstaefa com 2002 Siemens Building Technologies Ltd Subject to alteration ...

Page 3: ...ure 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 Operatio...

Page 4: ...w 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 ...

Page 5: ...n 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 temperatur...

Page 6: ...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 1...

Page 7: ...llector 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 anti...

Page 8: ...9 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 ...

Page 9: ...ion 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...

Page 10: ...k 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 Fu...

Page 11: ...mum 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 ...

Page 12: ...ity 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 D...

Page 13: ...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 h...

Page 14: ... 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 29...

Page 15: ...12 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...

Page 16: ...ction 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 ...

Page 17: ...f 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 ...

Page 18: ...put 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 cha...

Page 19: ...he 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 ...

Page 20: ...ngle 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...

Page 21: ...rol desk 2 1 2 Mounting methods The RVP540 RVP550 is designed for 3 different mounting methods Wall mounting The base is secured to a flat wall with the help of 3 screws Rail mounting The base is fitted to a DIN rail Flash panel mounting The base is inserted in a cutout measuring 92 x 138 mm 1 mm 0 mm The maximum thickness of the front panel is 3 mm 2 1 3 Installation The cable lengths should be c...

Page 22: ...ut the holes required for ca ble entry Prior to mounting pull the cables through the holes Secure the base with the 2 screws 1 and 2 in illustration 2378Z06 1 2 b DIN rail mounting Before wiring the power supply must be turned off Fit the DIN rail Knock out the holes required for ca ble entry Prior to mounting pull the cables through the holes Fit base and if possible secure it TOP at the top 2378...

Page 23: ...Turn the fixing levers inward Slide controller into the base Note Do not use any tools when inserting the controller into the cutout If the unit does not fit into the base check position of the fixing levers 2392Z11 Tighten the 2 screws on the front of the controller Note Tighten the screws only slightly When tightening the screws the fix ing levers automatically assume their correct positions 239...

Page 24: ...ys must be connected to the same live conductor 2 2 2 Installation procedure With the wall mounting version the specified designations of the base terminal strips facilitate straightforward wiring The controller plugs into the ready wired base No cod ing strips are required Base view from inside N B101 B105 B104 H1 M N L F4 Q101 F5 Q102 F1 Q103Q104 F2 Q105Q106 F6 Q107 F7 2488Z01 B103 B102 Q108 F3 ...

Page 25: ...01 Temperature sensor NTC LG Ni 1000 with automatic detection MD Ground PPS room unit BMU A6 Data PPS room unit BMU MB Ground bus LPB DB Data bus LPB Terminal Terminals Q110 Multifunctional output Q109 Multifunctional output F3 Phase Q109 Q110 F7 Phase Q108 Q108 Multifunctional output Q107 Multifunctional output F6 Phase Q107 Q106 Multifunctional output Q105 Multifunctional output F2 Phase Q105 Q1...

Page 26: ...sor function K18 Output for solar swimming pool heating K 18 Inverted K18 signal Y1 Mixing valve heating circuit OPEN Y2 Mixing valve heating circuit CLOSED Y4 Heat generation lock Y 4 Inverted Y4 signal Y7 Maintained return temperature oil gas OPEN Y8 Maintained return temperature oil gas CLOSED Y9 Maintained return temperature wood OPEN Y10 Maintained return temperature wood CLOSED Y14 Diverting...

Page 27: ...emperature sensor oil gas Strap on sensor LG Ni 1000 B71 Return temperature sensor heat pump Strap on sensor LG Ni 1000 B72 Return temperature sensor wood Strap on sensor LG Ni 1000 B73 Return temperature sensor heating circuit Strap on sensor LG Ni 1000 B8 Flue gas temperature sensor Pt 1000 B9 Outside temperature sensor LG Ni 1000 NTC600 B10 Common flow temperature sensor Strap on sensor LG Ni 1...

Page 28: ...nob Adjustment of nominal room temperature setpoint Setting buttons Parameter settings Line selection buttons Selection of parameters switching of lines Display Readout of actual values and settings Operating mode buttons heating circuit Operating mode changes to Automatic operation Continuous operation Standby Operating mode button d h w D h w heating ON OFF Manual d h w push Function button with...

Page 29: ...roller is the master operating line 850 and when there is sufficient power on the bus ECO Heating temporarily switched off Heating to the room temperature frost protection setpoint operating line 28 2 4 2 Operating procedure The enduser level is accessed by pressing the or button The required line is selected by pressing the and buttons For accessing the higher operating levels refer to the instru...

Page 30: ... mode Enduser 2 Press the line selection buttons to select the required line The parameter list on the next pages contains all set tings that can be made 3 Press the or button to set the required value The setting will be stored as soon as you leave the programming mode or change to another line 4 By pressing any of the operating mode buttons you leave the programming mode Enduser Note If no butto...

Page 31: ...16 Switch off time 2 phase of free time switch progr 00 00 24 00 h min 10 min 17 Switch on time 3 phase of free time switch progr 00 00 24 00 h min 10 min 18 Switch off time 3 phase of free time switch progr 00 00 24 00 h min 10 min Time switch program for d h w heating 19 Preselection of weekday 1 7 7 day block 1 7 Individual days 1 7 1 7 Weekday 1 day 20 Switch on time 1 period d h w 00 00 24 00...

Page 32: ...ekday month 1 day 42 End of holiday period Inactive To cancel the selected holiday period press the buttons si multaneously for 3 seconds 01 01 31 12 Weekday month 1 day General service 50 Indication of errors 0 255 00 01 14 16 1 Oil gas fired boiler 60 Chimney sweep 0 OFF 1 ON Outside the programming level the second burner stage can be switched on and off with the buttons 0 1 1 0 Solar collector...

Page 33: ...nduser 2 Press the line selection buttons to select the required line The parameter list on the next two pages contains all lines on which settings can be made 3 Press the or button to set the required value The setting will be stored as soon as you leave the programming mode or change to another line 4 You leave the programming level Heating engineer by pressing one of the operating mode buttons ...

Page 34: ...am not active Sp0 1 3 Partial diagrams Sp1 through Sp3 0 3 1 0 125 Display of partial diagram D h w storage tank 0 Partial diagram not active BwSp0 1 10 Partial diagrams BwSp1 through BwSp10 0 10 1 0 126 Display of partial diagram Combi storage tank 0 Partial diagram not active KoSp0 1 6 Partial diagrams KoSp1 through KoSp6 0 6 1 0 127 Selection of partial diagram Heating circuit 0 Partial diagram...

Page 35: ...al Q101 110 101 110 1 149 System pump Q14 ZuFu6 None 101 110 Relay Q14 connected to relay terminal Q101 110 101 110 1 150 Pump H1 Q15 ZuFu7 None 101 110 Relay Q15 connected to relay terminal Q101 110 101 110 1 151 Alarm output K10 ZuFu8 None 101 110 Relay K10 connected to relay terminal Q101 110 101 110 1 152 Output Overtemperature protection K11 ZuFu9 None 101 110 Relay K11 connected to relay ter...

Page 36: ...uFu27 None 101 110 Relay Y 4 connected to relay terminal Q101 110 101 110 1 175 Solar swimming pool heating K18 ZuFu28 None 101 110 Relay K18 connected to relay terminal Q101 110 101 110 1 176 Solar swimming pool heating inverted K 18 ZuFu28 None 101 110 Relay K 18 connected to relay terminal Q101 110 101 110 1 177 Solar swimming pool heating sensor B13 ZuFu28 None 101 109 Sensor B13 connected to ...

Page 37: ...ue of the common flow 220 Display of the common flow temperature setpoint No value available 0 0 140 0 C 0 1 221 Actual value of the common flow temperature No value available 0 140 C 1 Flue gas temperature 222 Actual value B8 of the flue gas temperature No value available 50 350 C 1 223 Display of maximum value B8 of the flue gas temperature No value available To reset the maximum value to the ac...

Page 38: ...ge 1 ON Q1 K4 3 In addition burner stage 2 ON Q1 K4 K5 4 Maintained boiler return temperature fixed ON Q1 K4 K5 Q12 Y7 5 Maintained boiler return temperature fixed OFF Q1 K4 K5 Q12 Y8 0 5 Solar collectors Setpoints actual values 300 Actual value of the collector temperature B6 No value available 50 350 C 1 301 Actual value of the collector temperature B61 No value available 50 350 C 1 302 Actual v...

Page 39: ...election of type of collector sensor B6 B61 1 LG Ni 1000 2 Pt 1000 1 2 1 1 325 Measured value correction collector sensor B6 10 0 10 0 K 0 1 0 0 326 Measured value correction collector sensor B61 10 0 10 0 K 0 1 0 0 327 Measured value correction collector flow sensor B62 10 0 10 0 K 0 1 0 328 Heat exchanger pump operation for partial diagram Sol 5 1 Alternative operation 2 Parallel operation 1 2 1...

Page 40: ...oiler output K3 To reset to 0 press the buttons simultaneously for 3 seconds 0 999 999 1 0 Functions 369 Minimum temperature differential of the wood fired boiler 0 20 K 1 4 370 Minimum temperature of wood fired boiler for release of pump 20 80 C 1 60 371 Switching differential for minimum temperature of wood fired boiler for release of pump 1 30 K 1 12 372 Pump overrun time No pump overrun time 4...

Page 41: ...eously for 3 seconds 0 999 999 1 0 413 Number of starts stage 2 output K2 To reset to 0 press the buttons simultaneously for 3 seconds 0 999 999 1 0 Functions 420 Control sensor for the heat pump 1 Flow sensor B21 2 Return sensor B71 3 Common flow sensor B10 4 Mean value B21 B71 2 5 ON with flow sensor B21 OFF with return sensor B71 6 ON with flow sensor B21 OFF with buffer storage tank sensor B42...

Page 42: ...unctions 470 Recharge control buffer storage tank with the wood fired boiler 0 With sensor B4 switching differential 1 With sensors B4 B41 B42 start stop 0 1 1 0 471 Minimum buffer storage tank temperature level when charging with the collectors TPmin 0 line 472 C 1 0 472 Maximum buffer storage tank charging temperature Line 471 Line 450EXP C 1 80 473 Automatic heat generation lock OFF 0 With B4 1...

Page 43: ...age tank cooling by delivering heat for space heating Function OFF 1 priority 1 2 priority 2 1 2 1 D h w storage tank Functions 520 D h w heating with electric immersion heater K6 1 For storage tank frost protection 2 Only in summer operation 3 Always 1 3 1 2 521 Recharge control of the d h w storage tank 0 With sensor B3 switching differential 1 With sensor B3 and B31 start stop 2 D h w heating w...

Page 44: ... the B31 functionality 0 No 1 Yes 0 1 1 0 Bivalent operation Heat source sequence 620 Lead heat source 2 Oil gas fired boiler 3 Heat pump 4 Wood fired boiler 1 3 1 621 Delayed switching on of lag heat source 1 255 min 1 10 622 Release integral for lag heat source 0 500 K min 1 200 623 Reset integral for lag heat source 0 500 K min 1 50 Release depending on the outside temperature 630 Release of oi...

Page 45: ...tion 0 Heavy 1 Light 0 1 1 1 726 Adaption of the heating curve 0 Inactive 1 Active 0 1 1 1 727 Maximum forward shift of optimum start control 00 00 06 00 hh mm 10 min 00 00 728 Maximum forward shift of optimum stop control 00 00 06 00 hh mm 10 min 00 00 730 Locking signal gain heating circuit 0 200 1 100 732 Frost protection for the plant with the heating circuit pump 0 General frost protection fo...

Page 46: ...ft 2 According to the d h w time switch program operating lines 19 25 0 2 1 1 772 Program selection circulating pump 0 According to the heating circuit time switch program 1 According to the release of d h w heating operating line 771 3 According to the d h w time switch program 0 3 1 1 773 Assignment of d h w heating 0 For local consumer only 1 For all consumers in the same segment 2 For all cons...

Page 47: ...PB power supply ON OFF 855 Range of action of central changeover 0 In the segment 1 In the system if segment address 0 0 1 1 1 856 Automatic summer winter changeover 0 Acting only on the local heating circuit 1 Central changeover of all heating circuits 0 1 1 0 857 Central standby switch 0 OFF Inactive 1 ON all units on standby 0 1 1 0 860 Outside temperature source No signal 00 01 Segment device ...

Page 48: ...ting action of voltage signal at input E1 0 0 V switches on 1 230 V switches on 0 1 1 1 Output P1 PWM 885 Pump assignment P1 1 Solar pump Q5 K9 2 Pump Q10 of the wood fired boiler 3 Heating circuit pump Q2 4 Reserved 1 4 1 1 886 PWM signal logic 0 Standard 1 Inverted 0 1 1 0 887 Display of PWM output P1 0 100 1 888 Output test P1 No test 0 100 PWM setpoint in 0 100 1 Output Ux DC 0 10 V 890 Functi...

Page 49: ...ode EXP Wrong code If the code has been entered incorrectly the display will change to Parameter settings for the heating engineer 4 Press the line selection buttons to select the required line The parameter list on the next two pages contains all lines on which settings can be made 5 Press the or button to set the required value The setting will be stored as soon as you leave the pro gramming mod...

Page 50: ... control of the boiler pump 0 According to temperature demand 1 Parallel to burner operation 0 1 1 0 Minimum limitation of the return temperature 280 Minimum limitation of the boiler return temperature EXP 8 line 252 C 1 8 281 Maintained boiler return temperature with effect on the consumers locking signal 0 With no effect on the consumers 1 With effect on the consumers 0 1 1 1 283 Switching diffe...

Page 51: ...401 Minimum switch on temperature Fct OFF 8 95 C 1 410 Prerun time heat pump circulator and water brine pump 5 240 s 1 15 411 Overrun time heat pump circulator and water brine pump 5 240 s 1 15 413 Minimum compressor running time 0 60 min 1 15 414 Minimum compressor off time 0 60 min 1 15 415 Automatic switch on attempt after heat pump faults 135 and 137 0 No 1 Yes 0 1 1 1 416 Compensation of runt...

Page 52: ...712 Integral action time heating circuit Tn 10 873 s 1 90 713 Actuator running time heating circuit 30 873 s 1 120 D h w EXP 750 Maximum nominal setpoint of the d h w temperature TBWmax 8 80 C 1 60 751 Switching differential of the d h w temperature SDBW 0 20 K 1 5 752 d h w discharge protection when charging with a wood fired boiler 1 Supervision of sensor of the wood fired boiler 2 Supervision o...

Page 53: ...296 to see if the relevant relays will be energized One of the pumps does not run Has the correct basic diagram been selected Operating line 100 Has the relevant partial diagram been deactivated or changed Operating lines 120 11 Is the pump correctly defined Also refer to auxiliary functions Check wiring and fuse of the pump relay test operating line 210 Check wiring of the sensors sensor test ope...

Page 54: ...correctly set Operating line 30 Check wiring of the outside sensor operating line 211 Has the Setting knob for the nominal room temperature setpoint with the Parallel displacement of the heating curve operating line 720 been calibrated based on the effective room temperature Has the holiday function been activated Operating lines 40 42 Make Functional test heating circuit operating line 745 to see...

Page 55: ...perating mode Designation Effect of selected operating mode Automatic operation Heating according to the time program operating lines 5 to 11 Room temperature setpoints according to the heating program Protective functions active Operating actions on the room unit possible Automatic summer winter changeover and automatic 24 hour heating limit active ECO functions Continuous operation Heating mode ...

Page 56: ... switch Line 857 1 HC operating mode flashes D h w operating mode button will not be affected Holiday program HC operating mode flashes when holiday program is active D h w operating mode button flashes when switched on refer to operating line 773 Function Effect on button and meaning Occupancy button HC operating mode flashes when occu pancy button is active D h w operating mode button will not b...

Page 57: ...ct d h w heating Time switch program d h w heating operating lines 19 25 Nominal d h w temperature setpoint operating line 26 Reduced d h w temperature setpoint operating line 770 Release of d h w heating operating line 771 Assignment of d h w heating operating line 773 D h w heating operating line 774 Type of d h w demand operating line 775 Green button operating line 801 When the wood fired boil...

Page 58: ...8 20 22 24 26 C 2392Z45 Room temperature setpoint setting ranges 27 Setting Reduced room temperature setpoint 28 Setting Frost protection setpoint of room temperature When the nominal room temperature setpoint is active the rooms will be heated ac cording to the adjustment made with the setpoint knob Effect in the various operating modes Operating mode Effect of knob adjustment Adjustment acts on ...

Page 59: ...ge the re adjustment is added to the setpoint adjusted with the controller s setpoint knob Setpoint programmed with the room unit readjustment made on the room unit 3 C controller s nominal room temperature setpoint Adjustment made with the controller s setpoint knob in active 22 C Setpoint adjustment on the room unit s line 19 C Adjustment made with the controller s setpoint knob 2 C Resulting se...

Page 60: ...h w diverting valve or charg ing pump d h w transfer pump Q3 Q13 OFF D h w diverting valve inverted Q 3 ON Auxiliary functions 1 2 3 8 9 use of residual heat from the return partial storage tank charging storage tank transfer pump alarm output output overtemperature protection Y15 Y14 Q11 K10 K11 OFF uncontrolled Overtemperature protection in verted K 11 ON Partial storage tank charging and return...

Page 61: ... solar collectors and the wood fired boiler The conventional heat sources oil gas electrical immersion heaters heat pump will be locked Comfort losses should they occur will be accepted With operating parameter 801 effect of the green button it is possible to decide whether the heat generation lock shall act when there is a demand for heat from d h w the heating circuit or from both It is thus pos...

Page 62: ...y returns to the time of day The individual Info lines display the following values if there is no value the display shows 1 Outside temperature C 2 Room temperature C 3 Flow temperature C 4 Boiler temperature oil gas fired boiler C 5 D h w storage tank temperature at the top C 6 D h w storage tank temperature at the bottom C 7 Temperature solar collector 1 C 8 Temperature solar collector 2 C 9 24...

Page 63: ...onsider leap years and to ensure the correct triggering of the holiday program The time of day can be set from a remote location via the bus system provided clock operation is appropriately set Also refer to clock operation on operating line 865 3 7 Time of day Setting range Unit 00 00 23 59 Hour Minute During the setting procedure the clock continues to run Each time the or button is pressed the ...

Page 64: ... becomes active when selecting automatic mode Setting range Unit 1 7 1 7 7 day block Individual days This setting must be made before the switching times are entered For every day on which other switching times shall apply the preselection of the in dividual day with subsequent entry of the switching times must be repeated This setting is used to select either the whole week 1 7 or individual days...

Page 65: ...s active when selecting automatic mode Setting range Unit Factory setting 00 00 24 00 h min See Program overview below First select the weekday operating line 5 for which the switching times shall be en tered The controller then makes a check to ensure the entries have been made in the correct order At the times entered the program will switch to the respective temperature setpoints The table belo...

Page 66: ... programs for space heating and d h w The free time switch program can have an impact on the following functions Forced charging of the buffer storage tank with the heat pump operating line 475 D h w circulating pump operating line 772 Auxiliary functions 23 K13 operating line 169 Additional pump kick for water brine pump operating line 427 3 12 Preselection of weekday With this setting you select...

Page 67: ...e saved by making adequate use of the time switch program The time switch program for d h w consists of the switching times to be entered for the weekdays or the 7 day block The time switch program for d h w and the time switch program for space heating op erate independently of one another The time switch program is active only when on operating line 771 d h w program setting 2 has been selected ...

Page 68: ...nt Switch off time period 2 Reduced setpoint Switch on time period 3 Nominal setpoint Switch off time period 3 Reduced setpoint The principle is the same as that used with Time switch program space heating refer to operating lines 6 1 When solar collectors with heat exchanger in the d h w storage tank or a wood fired boiler is used the d h w storage tank should not be charged during the day by the...

Page 69: ... 0 10 20 30 40 50 60 70 80 90 100 120 130 140 C 2392Z13 26 Setting Nominal d h w temperature setpoint 770 Setting Reduced d h w temperature setpoint 750EXP Setting Maximum nominal setpoint of the d h w temperature D h w heating has 2 different setpoints that can be used Nominal d h w temperature setpoint It ensures the d h w temperature required during main occupancy times Reduced d h w temperatur...

Page 70: ...Frost protection setpoint of room temperature setting on operating line 28 TRN Nominal room temperature setpoint adjusted with the setpoint knob If the required temperature level cannot be set the adjustment made with the setpoint knob may be too low It is not possible to set a value above the adjustment made with the setpoint knob 0 2 4 6 8 10 12 14 16 18 20 22 24 26 C 2392Z14 Room temperature se...

Page 71: ...on throughout the year The heating will not be switched on when the outside temperature drops for short periods of time Additional savings function The summer winter changeover temperature is the criterion for automatic summer winter changeover of the heating plant Setting range Unit Factory setting 8 30 0 C 17 By changing the setting the respective periods of time will be shortened or extended Th...

Page 72: ...itching differential is compared with the attenuated outside temperature Also refer to page 218 Heating OFF summer operation TAged SoWi 1 C Heating ON winter operation TAged SoWi 1 C Changeover between summer and winter operation Taged Attenuated outside temperature SoWi Summer winter changeover temperature T Temperature t Time in days H Heating Changeover ON 17 T SoWi TAged C H OFF t 2379D06 SoWi...

Page 73: ...ease The flow temperature will be raised to a lesser degree when the outside temperature drops Using the heating curve the controller generates the flow temperature setpoint ena bling the system to maintain a constant room temperature even without using a room temperature sensor The steeper the slope of the heating curve the higher the flow temperature setpoint at low outside temperatures TV Flow ...

Page 74: ...buttons simultaneously for 3 seconds Setting range Unit Factory setting 0 1 0 All parameters of the Enduser level with the exception of the time switch programs will be reset to their default values The time switch programs are reset on the next operating line 3 24 Resetting the heating circuit and d h w time switch programs Straightforward resetting of all time switch programs to their standard v...

Page 75: ...ds Then the display will show The holiday program is only active during the selected automatic mode The dates entered apply as follows Activation 00 00 hrs of the first day of the holiday period Deactivation 24 00 hrs of the last day of the holiday period By pressing operating mode button or the holiday function no longer acts on space heating and d h w heating But the holiday function remains act...

Page 76: ...5 The first entry in the error list will automatically be displayed on this operating line By pressing it is possible to switch between the error messages The controller can store a maximum of 10 error messages The error signal will be cleared only after the cause of the error has been removed If additional errors are pre sent they will be stored when storage capacity becomes available Errors are ...

Page 77: ...w sensor thermostat 1 error top B32 9 56 Storage tank 2 d h w sensor thermostat 2 error bottom B33 9 61 Room unit 1 error A6 6 70 Storage tank temperature 1 top sensor error buffer storage tank sensor B4 6 71 Storage tank temperature 1 bottom sensor error buffer storage tank sensor B41 6 72 Storage tank temperature 1 center sensor error buffer storage tank sensor B42 6 73 Collector temperature 1 s...

Page 78: ...rt circuit With error code 146 operating line 202 also gives the relevant configuration error With error code 150 operating line 295 also displays the manufacturer specific error code of the BMU 0 4 8 12 16 20 24 1 2 3 4 5 6 7 8 9 10 2392Z04f Other devices in the system can also signal their errors via LPB Display Description of error Example 150 09 01 Error with address of the faulty device The f...

Page 79: ...nd the pointer for the current time of day appear 0 4 8 12 16 20 24 1 2 3 4 5 6 7 8 9 10 2392Z04h Burner stage 1 will be activated In that case the boiler s switching differential will not be taken into consideration To ensure continuous burner operation the only switch off point used is the boiler temperature s maximum limitation TKmax First all connected loads will be locked enabling the boiler ...

Page 80: ... total yield was reset last Display Unit 0 9999999 9 kWh To reset the display to zero press the buttons simultaneously for 3 seconds 3 31 Acknowledgement of heat pump error messages 135 and 137 Error messages Brine temperature too low and Operation feedback signal miss ing can be reset on this line Error messages Water brine sensor temperature too low error message 135 on op erating line 50 and Op...

Page 81: ...k Wood fired boiler with all its operating lines will be hidden If setting 0 is selected when selecting or adapting the partial diagrams the respective parameter blocks will also be hidden 4 1 Selection of the basic diagram number Straightforward basic configuration that matches the required plant diagram The basic diagram selected from the basic diagram library in document CE1P2489en or CE1P2490e...

Page 82: ...ur For drawings of the individual partial diagrams refer to the partial diagram library in the documents Configuration and application CE1P2489en for plants with 1 or 2 heat sources CE1P2490en for plants with 3 heat sources When selecting a basic diagram operating line 100 the partial diagrams will automati cally be set to the respective value 4 2 Selection of partial diagram Oil gas fired boiler ...

Page 83: ... hidden Setting range Unit Factory setting 0 16 0 The currently selected partial diagram number will automatically be displayed on this operating line The numbers have the following meaning 0 No partial diagram selected Parameter block Solar collectors will be hidden The basic diagram number remains the same The setting is useful when replacing a solar collector or when a section of the plant is a...

Page 84: ...t is already in operation and the wood fired boiler is supplied later 1 5 Partial diagrams according to the partial diagram library documents CE1P2489en and CE1P2490en 4 5 Selection of partial diagram Heat pump The partial diagram Heat pump defined by the basic diagram can be replaced by an other partial diagram that requires the same maximum number of terminals or it can be hidden Setting range U...

Page 85: ...and CE1P2490en 4 7 Display of partial diagram D h w storage tank The partial diagram of the d h w storage tank can only be slightly changed within the relevant basic diagram If a completely different partial diagram of the d h w storage tank is required another basic diagram with an adequate partial diagram must be se lected Display setting range Unit Factory setting 0 10 0 The partial diagram num...

Page 86: ...diverting valve Q3 can be replaced by a partial diagram with out a diverting valve according to the table given below Diagram that can be modified with Q3 Can be replaced by partial diagram number without Q3 KoSp 4 KoSp 1 KoSp 5 KoSp 2 KoSp 6 KoSp 3 The diverting valve of combi storage tank partial diagrams 4 through 6 can be replaced by a charging pump also Q3 see operating line 193 In that case ...

Page 87: ... B101 on the controller becomes available Setting range Unit Factory setting 0 1 0 The settings have the following meaning 0 The outside temperature signal becomes available via LPB In that case some other controller must acquire the outside temperature and transmit the signal via LPB If the controller receives no signal via LPB error message 10 will appear on operating line 50 indication of error...

Page 88: ...e sensor B41 If not used buffer storage tank temperature sensor B41 must be hidden deactivated Setting range Unit Factory setting 0 1 0 The settings have the following meaning 0 The buffer storage tank sensor at B41 is deactivated This means that the relevant sensor terminal becomes available for other use 1 The buffer storage tank sensor at B41 is activated 4 14 Reduction return temperature senso...

Page 89: ... heat pump return temperature sensor B71 must be hidden deactivated Setting range Unit Factory setting 0 1 0 The settings have the following meaning 0 The heat pump return temperature sensor at B71 is deactivated This means that the relevant sensor terminal becomes available for other use 1 The heat pump return temperature sensor at B71 is activated 4 17 Reduction water brine temperature sensor B1...

Page 90: ...erential is reached the return will be diverted via the lower part of the buffer storage tank This function can be used to either raise or lower the return temperature The effective functionality will be defined on operating line 482 Additional setting choices are offered on operating lines 480 481 and 483 Setting range Unit Factory setting 101 110 101 110 101 109 Y15 Y 15 B73 So that return diver...

Page 91: ...t via the lower part of the storage tank It is thus possible to preheat the return with solar energy for example Lowering the return temperature If the return temperature from the consumers is higher than the temperature at the se lected sensor operating line 483 the return can be used to preheat the lower part of the storage tank As a result the return temperature continues to drop which in the c...

Page 92: ...ignment for the inverted signal 101 110 The inverted signal for diverting valve Y 14 can be assigned to a free relay terminal between Q101 and Q110 It is required for the control of 2 wire actuators in addition to Y14 As soon as relay Y14 is deenergized relay Y 14 will be energized with a delay of 1 second and vice versa No assignment made Operating line 145 sensor assignment 101 109 Sensor B43 ca...

Page 93: ... K below the maximum buffer storage tank charging temperature the diverting valve will change back to angle partial stor age tank charging As a result the lower part of the storage tank will be enabled to accept heat from the solar collectors as long as possible Auxiliary function 11 third buffer storage tank sensor and auxiliary function 2 partial storage tank charging can be active at the same t...

Page 94: ...0 491 540 and 541 Setting range Unit Factory setting 101 110 Q11 The storage tank transfer pump is activated as soon as pump Q11 is assigned a free terminal 101 110 Storage tank transfer pump Q11 can be assigned to a free relay termi nal between Q101 and Q110 No assignment made and the storage tank transfer pump is not acti vated The storage tank transfer pump can be integrated in the diagram as f...

Page 95: ...101 110 D h w circulating pump Q4 can be assigned to a free relay terminal between Q101 and Q110 No assignment made and the d h w circulating pump is not activated When the auxiliary function is activated the circulating pump operates according to the setting made on operating line 772 switching program Circulating pump In addition it is possible to define if during the legionella function the d h...

Page 96: ...lically be integrated such that the sensors B21 and or B71 are lo cated in the section where there is flow refer to application example Setting range Unit Factory setting 101 110 Q17 The auxiliary function is activated as soon as relay Q17 is assigned a free terminal 101 110 The relay for the second circulating pump Q17 can be assigned to a free relay terminal between Q101 and Q110 No assignment m...

Page 97: ...ction is to be se lected on operating line 195 Setting range Unit Factory setting 101 110 Q14 The auxiliary function is activated as soon as system pump Q14 is assigned to a free terminal 101 110 System pump Q14 can be assigned to a free relay terminal between Q101 and Q110 No assignment made and the system pump is not activated The system pump can be integrated in the diagram as follows Example o...

Page 98: ...perating lines 870 873 Setting range Unit Factory setting 101 110 Q15 The auxiliary function is activated as soon as pump H1 Q15 is assigned to a free termi nal 101 110 Pump H1 Q15 can be assigned to a free relay terminal between Q101 and Q110 No assignment made and pump H1 is not activated Pump H1 responds to locking signals and forced signals and features pump overrun It is not used for overtemp...

Page 99: ...110 Alarm output K10 can be assigned to a free relay terminal between Q101 and Q110 No assignment made and the auxiliary function is not activated When there is an error message refer to display of error operating line 50 with priority 5 or higher the controller closes the contact with a delay of 10 minutes Considered will be all controller internal errors and the error with the highest priority t...

Page 100: ...11 can be assigned to a free relay terminal between Q101 and Q110 No assignment made Operating line 153 relay assignment for the inverted signal 101 110 The inverted signal K 11 can be assigned to a free relay terminal be tween Q101 and Q110 It is required for the control of 2 wire actuators for example in addi tion to K11 As soon as relay K11 is deenergized relay K 11 will be energized with a del...

Page 101: ...1 110 K17 The auxiliary function is activated as soon as relay K17 is assigned a free terminal 101 110 The relay for the flue gas sensor function K17 can be assigned to a free relay terminal between Q101 and Q110 No assignment made and the auxiliary function is not activated The impact switch on and switch off temperature is described on operating lines 225 and 226 Integration into the plant diagr...

Page 102: ...and the flue gas temperature sensor is not acti vated The activated flue gas sensor makes possible the display of the current flue gas tem perature operating line 222 and of the maximum value of the flue gas temperature operating line 223 In addition via operating line 154 a relay can be defined for the flue gas temperature sensor function which is energized and deenergized when the respective swi...

Page 103: ...sor makes no sense In that case control of solar charging is accomplished via sensor B41 and the switching differentials that can be set on operating lines 329 332 ON OFF temperature differ entials Setting range Unit Factory setting 101 109 B42 The auxiliary function is activated as soon as the third buffer storage tank sensor B42 is assigned to a free terminal 101 109 Buffer storage tank sensor B...

Page 104: ... activated Using central setpoint compensation the heat source setpoint will be adjusted such that the temperature at sensor B10 reaches the required level Central setpoint compensation can be activated and deactivated on operating line 804 Sensor B10 is also used for d h w discharge protection for control of the electric im mersion heater in the buffer storage tank operating lines 170 and 485 as ...

Page 105: ...the collector flow temperature example B With no auxiliary function 13 sensor B62 the pump in the respective circuit can only be activated or deactivated or the 3 port valve will change over on completion of the Changeover startup delay based on the temperature acquired by sensor B6 The solar collector partial diagrams with which solar flow sensor B62 can be used show the sensor with broken lines ...

Page 106: ...ensor terminal between B101 and B109 No assignment made and the auxiliary function is not activated Based on the temperatures acquired by sensors B63 and B64 and the measured or set flow rate the controller calculates the current energy yield The settings for solar yield measurement are to be found on operating lines 338 through 344 the yield display on operating lines 65 and 66 For a detailed des...

Page 107: ...etailed description of solar yield measurement and the use of alternative sen sors refer to the general description of operating line 338 To ensure an acceptable accuracy level of yield measurement flow rate measurement and calibrated sensors must be located in the same circuit Refer to operating line 159 4 34 Solar heat exchanger diverting valve K 8 ZuFu15 Additional inverted signal for the contr...

Page 108: ...e auxiliary function will be activated as soon as diverting valve K 9 is assigned a free terminal 101 110 The inverted signal for diverting valve K 9 can be assigned to a free relay terminal between Q101 and Q110 No assignment made and the auxiliary function is not activated For a valve with one wire control the only signal required is signal K9 As soon as this valve is deenergized the valve retur...

Page 109: ... will be activated as soon as relay K13 is assigned a free terminal 101 110 Relay K13 of the free time switch program can be assigned to a free relay terminal between Q101 and Q110 No assignment made and the auxiliary function is not activated Relay K13 is energized and deenergized according to the free time switch program operating lines 13 through 18 At the switch on times relay K13 will be ener...

Page 110: ...nd amounts to at least 50 K min integral In addition the Attenuated outside temperature operating line 704 must lie below the set Release threshold operating line 484 Control of the electric immersion heater to the highest heating circuit setpoint takes place via a fixed switching differential of 3 K If the actual value at the control sensor lies 3 K below the setpoint display on operating line 70...

Page 111: ... locked when the green button is activated de pending on the parameterization of the green button Frost protection cannot be locked via the green button The electric immersion heater must be connected in series with a safety limit thermo stat The electric immersion heater can be integrated in the diagram as follows Example K16 ZuFu 24 2393Z15 B4 B41 Sp 2 Note Important Application example ...

Page 112: ...and 521 However the electric immersion heater can also be defined only for ensuring frost pro tection for the d h w storage tank or the combi storage tank Setting range Unit Factory setting 101 110 K6 The auxiliary function is activated as soon as electric immersion heater K6 is assigned a free terminal 101 110 Electric immersion heater K6 can be assigned to a free relay terminal between Q101 and ...

Page 113: ...e Q 3 can be assigned to a free relay terminal between Q101 and Q110 No assignment made and the auxiliary function is not activated For a valve with one wire control the only signal required is signal Q3 As soon as the signal is no longer present the valve will change over to its initial position For a valve with 2 wire control to change over to the initial position a second inverted signal Q 3 is...

Page 114: ...d to a free relay terminal be tween Q101 and Q110 No assignment made Operating line 174 relay assignment for the inverted signal 101 110 The inverted signal for diverting valve Y 4 can be assigned to a free relay terminal between Q101 and Q110 No assignment made For a valve with one wire control the only signal required is signal Y4 As soon as the signal is no longer present the valve will change ...

Page 115: ...lock the heat source has no access to the buffer storage tank Also frost protection for the buffer storage tank is no longer ensured by the oil gas fired boiler If frost protection for the buffer storage tank is required an electric immer sion heater ZuFu 24 must be used The automatic heat generation lock can be integrated in the diagram as follows Example 2393Z16 B2 Q1 K4 OeG 1 B4 B41 Sp 2 ZuFu 2...

Page 116: ...minal between B101 and B109 No assignment has been made and the auxiliary function is not acti vated For a valve with one wire control the only signal required is signal K18 As soon as the signal is no longer present the valve will change over to its initial position For a valve with 2 wire control to change over to the initial position a second inverted signal K 18 is required Solar swimming pool...

Page 117: ...heating engineer settings 18 10 2002 The diagram below shows an example of solar swimming pool heating integration into solar collector partial diagram Sol1 Example Alternatively B6 Sol 1 Q5 B4 B41 Sp 2 K18 K 18 B13 ZuFu 28 0 1 2392Z57 Parallel B4 B41 Sp 2 K18 K 18 B13 ZuFu 28 B6 Sol 1 Q5 2392Z58 Application example ...

Page 118: ...eer settings 18 10 2002 In the following solar collector partial diagrams the points of integration of solar swim ming pool heating flow and return are marked by a cross Alternatively Parallel B6 Sol 1 Q5 B6 Sol 1 Q5 B6 Sol 3 Q5 K9 B62 0 1 B6 Sol 4 Q5 B62 K9 B6 Sol 4 B62 K9 Q5 B6 Sol 5 K12 K8 B6 Sol 5 K12 K8 Points of integration ...

Page 119: ...1P2488en HVAC Products Description of the heating engineer settings 18 10 2002 Alternatively Parallel B6 K8 Sol 6 Q5 0 1 B6 K8 Sol 6 Q5 0 1 B6 K8 Sol 8 Q5 K9 0 1 0 1 B62 B6 Q5 Sol 9 B62 K9 K8 0 1 B6 Q5 Sol 9 B62 K9 K8 0 1 B6 Q5 Sol 10 B62 K9 K8 0 1 B6 Q5 Sol 10 B62 K9 K8 0 1 ...

Page 120: ...ion RVP540 RVP550 CE1P2488en HVAC Products Description of the heating engineer settings 18 10 2002 Alternatively Parallel B6 Q5 Sol 11 K8 0 1 B62 K9 B6 Q5 Sol 11 K8 0 1 B62 K9 B6 Q5 B61 Q16 Sol 12 0 1 B6 Q5 B61 Q16 Sol 14 K9 B62 B6 Q5 B61 Q16 Sol 15 B62 K9 ...

Page 121: ...ass flow of the boiler pump must be at least as big as that of the d h w charging pump thus ensuring that the heating water is delivered by the boiler and not partly by the buffer storage tank 1 With diverting valve A diverting valve after the boiler changes directly over to d h w heating This means that both the buffer storage tank and the consumers will be hydraulically decoupled so that they ca...

Page 122: ...making certain that the use of solar energy is always guaranteed 4 44 Function of system pump Q14 The switch on off criteria of the system pump change depending on the location of the pump The relevant configuration is made via this operating line Setting range Unit Factory setting 1 3 1 Entry 1 System pump for heating circuits only The system pump is activated as soon as a heating circuit includi...

Page 123: ... to the relevant re lays By pressing the buttons the assignment of all terminals can be called up With every press of the button the display changes to the next higher or next lower terminal The first 3 digits correspond to the relay that the diagram shows by the relevant com ponent The second 3 digits correspond to the relay terminal at the rear of the controller 101 110 Corresponds to terminal n...

Page 124: ...s can be called up With every press of the button the display changes to the next higher or next lower terminal The first 3 digits correspond to the sensor shown in the diagram b1 b99 Corresponds to the sensor number shown in the diagram To make certain there will be no confusion with number 8 the display shows a lower case b The second 3 digits corresponds to the sensor terminal at the rear of th...

Page 125: ...2 Terminal Q102 used beyond capacity 3 Terminal Q103 used beyond capacity 4 Terminal Q104 used beyond capacity 5 Terminal Q105 used beyond capacity 6 Terminal Q106 used beyond capacity 7 Terminal Q107 used beyond capacity 8 Terminal Q108 used beyond capacity 9 Terminal Q109 used beyond capacity 10 Terminal Q110 used beyond capacity 11 Terminal B101 used beyond capacity 12 Terminal B102 used beyond...

Page 126: ...as mixing valves and for this reason are not counted as such 37 A d h w circulating pump ZuFu4 operating line 147 has been selected although the diagram does not contain any d h w or combi storage tank 38 An external heat source e g BMU RVL471 or RVL472 is connected although none has been expected OeG0 OeG6 OeG9 39 Inadmissible reduction of B72 operating line 135 40 Sensor B13 or relay K18 K 18 is...

Page 127: ...als Q is given on operating lines 140 152 and the relay terminals Q is given on operating lines 142 145 153 155 through 160 and 177 4 48 Display of diagram identification numbers parts 1 2 3 and 4 Unambiguous diagram identification number All basic diagrams and all combinations of partial diagrams auxiliary functions and re duction parameters are defined by a clearly assigned diagram identificatio...

Page 128: ...step to the next No test all outputs switch according to the current operating state 2392Z24 1 2 3 4 5 6 7 8 9 10 0 4 8 12 16 20 24 b a c a The pointer below the symbol indicates the output activated b The number indicates the current test step c The framed number indicates the selected setting line When there is no operating action the output test will automatically be quit after 8 min utes Benef...

Page 129: ...to change from one test step to the next Display The selected sensor values are updated within a maximum of 5 seconds The display is made with no measured value correction Benefit Description Setting Effect Test step 1 Test step 2 Test step 3 Test step 4 Test step 5 Test step 6 Test step 7 Test step 8 Test step 9 Test step 10 Test step 11 Test step 12 Display of input B101 Display of input B102 Di...

Page 130: ...n between controller BMU and room unit The display provides information about the communication status and the types of connected peripheral devices Press the buttons to interrogate the various PPS users If communication is error free the controller identifies the unit connected by displaying the identification number in addition to the device address Display Unit 1 12 0 255 o o o No communication...

Page 131: ...rature sensors Better overview of plant s operating state 4 52 Display of the common flow temperature setpoint The common flow temperature setpoint will automatically be displayed on this operating line Display Unit 0 140 C The setpoint can only be displayed but not changed The function helps better under stand the control sequences taking place in the controller The displayed setpoint is generate...

Page 132: ...utomatically be dis played on this operating line Display Unit 50 350 C No value available 4 55 Display of maximum value of flue gas temperature B8 Display of the highest flue gas temperature acquired since the last reset was made Display Unit 50 350 C The highest temperature acquired with the flue gas sensor B8 will automatically be displayed on this operating line provided the auxiliary function...

Page 133: ...play of the maximum value 4 57 Switch on temperature flue gas temperature sensor function ZuFu10 If the actual value of flue gas temperature B8 operating line 222 reaches the tem perature adjusted here relay K17 of the flue temperature sensor function will be ener gized This means that the controlled flue gas temperature function will be activated Display Unit Factory setting 0 350 C 60 The flue g...

Page 134: ...8 Switch off temperature flue gas temperature sensor function ZuFu10 If the actual value of flue gas temperature B8 operating line 222 reaches the tem perature adjusted here relay K17 of the flue gas temperature function will be deener gized This means that the controlled flue gas temperature function will be deactivated Display Unit Factory setting 0 350 C 40 Refer to operating line 225 Assignmen...

Page 135: ...l also be taken into consideration Central setpoint compensation setpoint compensation with pressureless header ZuFu 12 B10 Setpoint boost for combi storage tanks refer to chapt 6 General control processes All heat generation locks The highest of the setpoints received is shown on the display as the flow temperature setpoint No value available 4 60 Actual value B2 PPS TKx of the boiler temperature...

Page 136: ...witching differ ential of 6 K ON according to line 252 OFF according to line 252 6 K 4 62 Actual value of return temperature B7 Visualization of actual value of the return temperature The return temperature B7 currently acquired will automatically be displayed on this operating line Display Unit 50 350 C No value available 4 63 Burner hours run of stage 1 K4 PPS Overview of the number of burner op...

Page 137: ...r stage 1 The display shows the total number of burner starts of stage 1 since the controller was last reset The number of burner starts of stage 1 are generated based on the signal at input 4 or the PPS signal Display Unit 0 999 999 For calculating the average boiler running time refer to operating line 256 The number of burner starts can also be acquired via input E1 operating lines 878 and 880 ...

Page 138: ... the boiler temperature 270 Minimum limitation Tkmin of the boiler temperature setpoint 250EXP Lowest minimum limitation TkminEXP of the boiler temperature setpoint 251EXP Maximum limitation TkmaxEXP of the boiler temperature setpoint The setting ensures that the boiler temperature will not fall below the adjusted minimum level TKmin This prevents noncondensing boilers from being operated in the c...

Page 139: ...ost protection for the plant is given on operating line 180 EXP Diagnosis 4 69 Display of BMU error code Straightforward checking of plant Fault tracing is made easier For the BMU the RVP540 RVP550 can display an error message with the associated error code The error will automatically be displayed on this operating line Display Unit 1 255 Error code Error messages cannot be deleted They disappear...

Page 140: ...able can be selected with the buttons No test 0 Everything OFF 1 Boiler pump Q1 ON 2 In addition burner stage 1 ON Q1 K4 3 In addition burner stage 2 ON Q1 K4 K5 4 In addition maintained boiler return temperature bypass pump ON Q1 K4 K5 Q12 Y8 5 Maintained boiler return temperature bypass pump OFF Q1 K4 K5 Y7 The functional test is only possible for internal heat sources With test steps 0 3 the mi...

Page 141: ... of the plant Display Unit 50 350 C The current temperature at the relevant collector sensor will automatically be displayed on this operating line Temperature at collector 1 sensor B6 in C Temperature at collector 2 sensor B61 in C The displays are already readjusted by measured value corrections operating lines 325 and 326 that may have become necessary No value available Sensor B6 must always b...

Page 142: ...circuit very close to the diverting valve as with Sol3 or on the flow of the secondary circuit as with Sol4 B6 Sol 3 Q5 K9 B62 0 1 B6 Sol 4 Q5 B62 K9 4 73 Maximum values B6 and B61 of the collector temperature Display of the highest temperature measured on the collector Knowledge of the relevant stationary temperature of the collector The highest collector temperature measured since the last reset...

Page 143: ... table a selection example with a description of the basic rules is given on the next page Solar input in No of heat exchangers 1 2 1 2 No of sens in the stor tank 1 2 3 2 3 1 2 4 2 4 Sensor for heat exchanger 1 B4 B41 B41 B41 B41 B3 B31 B33 B31 B33 Sensor for heat exchanger 2 B4 B42 B3 B32 Solar input in Buff d h w stor tank combi storage tank No of heat exchangers 1 Buffer 1 D h w 1 2 No of sens...

Page 144: ...torage tank If only 1 sensor is installed it will be used If several sensors are installed in the same storage tank the sensor at the bottom will be used In that case a combi storage tank is regarded as a combination of a buffer and d h w storage tank and the rule will be appropriately applied Example of assignment of heat exchanger sensor The use of the table is explained based on the following b...

Page 145: ...13 Temperature differential collector 2 B61 and swimming pool B13 Hours run counter 4 76 Hours run of collector pumps Q5 and Q16 Overview of the number of collector pump operating hours Parameter for making energy calculations and plant analyses The total number of collector pump operating hours since the last reset will automati cally be displayed on this operating line Display Unit 0 999 999 h N...

Page 146: ...g line Display Unit 0 999 999 h Number of operating hours of pump K12 Number of operating hours of pump diverting valve K8 To reset the hours run counter to 0 press the buttons simultaneously for 3 sec onds 4 78 Hours run of swimming pool heating K18 Overview of the number of operating hours of swimming pool heating The total number of operating hours of swimming pool heating output K18 since the ...

Page 147: ...ne 320 will not be reached charging will be stopped before the setpoint is reached 4 80 Actual value of swimming pool temperature B13 When selecting the operating line the current swimming pool temperature sensor B13 will be displayed For that purpose the respective auxiliary function ZuFu28 must be activated Display Unit 50 350 C 4 81 Temperature differential swimming pool ON Swimming pool heatin...

Page 148: ...lus energy from the solar collectors will be delivered to the buffer d h w stor age tank until their safety temperature is reached and overtemperature protection de vices if fitted will respond 4 84 Heat exchanger pump operation for swimming pool Optional alternative or parallel operation of storage tank and swimming pool heating You can choose whether the swimming pool shall be heated at the same...

Page 149: ...charged at the same time swimming pool heating is started parallel to priority storage tank charging When the priority storage tank has reached its setpoint the valve changes over to charge the non priority storage tank Swimming pool heating will be maintained as long as the so lar collector is able to deliver sufficient amounts of heat The hydraulic circuit used must not prevent the selected oper...

Page 150: ...ors can be recalibrated individually More accurate display of the collector temperature More accurate generation of the temperature differential Calibration of the collector temperature sensors and compensation of the different line lengths ensure that the display of the effective temperature will be more accurate Setting range Unit Factory setting 10 0 10 0 K 0 0 Measured value correction of coll...

Page 151: ...arging of the storage tank selected on operating line 333 is started priority with 2 stor age tanks When the priority pump runs and the amount of heat delivered by the collector is sufficient during the Maximum waiting time the collector temperature does not drop below the Temperature differential ON by more than half the switching differential the second charging pump can also be activated after ...

Page 152: ...ferential defines the minimum temperature differential ΔT between storage tank and collector sensor B6 or B61 from which storage tank charging via the respective heat exchanger is released When this temperature differential is reached a valve if present is brought into the position required for storage tank charging and the necessary pump s is are acti vated The type of storage tank sensor used fo...

Page 153: ...heat exchanger 2 The switching differential defines the temperature differential ΔT between storage tank and collector sensor B6 or B61 at which storage tank charging via the respective heat exchanger will be stopped When the temperature differential drops below that level the pumps will be deactivated The type of storage tank sensor used for generating the temperature differentials is de pendent ...

Page 154: ...e 1 No priority Both storage tanks heat exchangers are treated the same The storage tank with the lower temperature is charged first The collector pump runs until the storage tank temperature lies 5 K above the temperature of the second storage tank Then the second storage tank will be charged until its temperature lies 5 K above that of the first storage tank So both storage tanks are charged alt...

Page 155: ...rged If not charging of the buffer storage tank will be resumed If the temperature differential required for charging the d h w storage tank is reached during the Maximum storage tank charging time d h w storage tank charging will immediately be started Charging of the buffer storage tank will continue only when the d h w storage tank is completely charged If neither the buffer nor the d h w stora...

Page 156: ... and the return B63 B64 These can be selected as an auxiliary function ZuFu14 operating lines 159 and 160 The type of sensor used is to be entered on operating line 342 the actual values of the sensors can be queried on operating lines 343 and 344 If there is only one collector one additional return temperature sensor B64 is sufficient The controller uses the value of collector sensor B6 as the fl...

Page 157: ...ent This includes the following brands Antifrogen L and Antifrogen SOL Clariant DOWCAL 20 and DOWFROST HD DOW Glythermin P44 BASF Tyfocor L Tyforop and UCOTHERM PGA FRAGOL 4 The solar circuits contains a mixture of Ethylenglycol and Propylenglycol as an antifreeze agent This includes Glythermin GP42 BASF for example The antifreeze agent Antifrogen SOL Clariant is a premixed heat conducting medium ...

Page 158: ...at purpose setting 14 must be selected on operating line 870 When using a solar pump without speed control and the pressure drop across the solar circuit has been accurately calculated or measured an approximate solar yield meas urement can also be accomplished without using a flow meter refer to operating line 341 4 95 Volumetric flow solar pump Approximative yield measurement without using a flo...

Page 159: ...he type of sensor used for solar yield measurements are Pt 1000 sensors To prevent false measurements the sensors used for yield measurements must always be calibrated 4 97 Actual value of solar flow temperature B63 Visualization of the plant s state Display of the actual temperature acquired with sensor B63 solar yield measurement Setting range Unit Factory setting 50 350 C 4 98 Actual value of s...

Page 160: ...e Minimum solar pump speed is reached In addition the controller makes advance assessments of the anticipated temperature differential and initiates pump speed changes only if in agreement with the current situation The speed of solar collector pump Q5 is controlled such that the temperature at sensor B6 will be within the range called const if possible 2392Z48 B6 ON OFF Q5 c o n s t ON OFF C t TB...

Page 161: ...eed increases Temperature range in which the pump s speed decreases const Temperature range in which the pump s speed remains constant 346 347 Minimum speed maximum speed of the solar pump 4 100 Display of speed of the solar pump Q5 K9 Visualization of solar pump speed Q5 K9 The speed of the solar pump will automatically be displayed on this operating line Display Unit 0 100 Heating circuit pump i...

Page 162: ...00 Diagnosis 4 103 Functional test solar Individual relays or combinations of relays can be controlled for test purposes To check the functionality the functional test enables individual terminals or combina tions of terminals to be controlled Setting range Unit Factory setting 0 4 The following test steps are available to activate the required test step use the buttons No test 0 Everything OFF 1 ...

Page 163: ... the wood fired boiler will automatically be displayed on this operating line Display Unit 50 350 C No value available 4 106 Display of the return temperature setpoint The boiler return temperature setpoint of the wood fired boiler will automatically be dis played on this operating line Display Unit 0 140 C 4 107 Display of actual value of return temperature B72 The return temperature B72 of the w...

Page 164: ...ler K3 The display shows the number of operating hours of the wood fired boiler since the last reset was made resolution 1 hour The number of operating hours of the wood fired boiler are generated based on the signal at output K3 Display Unit 0 999 999 h To reset the hours run counter to 0 press the buttons simultaneously for 3 sec onds 4 110 Number of releases of the wood fired boiler K3 The disp...

Page 165: ...w the minimum the boiler pump will be deactivated on completion of the pump overrun time operating line 372 even if it should still be running according to the crite ria of operating lines 370 and 371 will deactivate the function The diagram below shows a possible progression of the temperature of the wood fired boiler and the relevant switching states of the boiler pump Q10 Also refer to the grap...

Page 166: ... the relevant switching states of the boiler pump Q10 Also refer to the graph on operating line 369 C 2392Z06 t s ON OFF ON OFF Q10 t s TV TR TV Actual value B22 of temperature of the wood fired boiler TR Return temperature B72 Q10 Pump of the wood fired boiler Variant TV 370 Minimum temperature of the wood fired boiler for release of the pump 371 Switching differential of Minimum temperature of w...

Page 167: ...ating line 369 is satisfied the boiler pump will be put into operation If the sum of Minimum boiler temperature operating line 370 and switching differen tial operating line 371 is not reached or if the Minimum switching differential of the wood fired boiler is not satisfied the pump will remain deactivated For diagram refer to operating line 370 4 114 Pump overrun time Pump overrun time can be se...

Page 168: ...g valve is used for both the maintained return temperature control and flow temperature control boiler temperature and releases the water of the boiler circuit to the plant only when both the required boiler temperature set point for display see operating line 350 and the minimum return temperature operating line 380EXP are reached Without mixing valve The pump of the wood fired boiler is controll...

Page 169: ...el A description of the slave pointer is given in chapter 6 General control process 4 115 2 Storage tank priority Storage tank priority in the case of charging by the wood fired boiler is dependent on the current d h w operating mode d h w button pressed or not pressed and the defi nition of input H1 If at input H1 Charging priority d h w for heat from the wood fired boiler was se lected operating...

Page 170: ...ces oil fired gas fired electric as soon as the pump of the wood fired boiler runs or the boiler sensor signals a temperature rise of more than 1 K min For plants where the wood fired boiler uses the same stack as the other heat sources and or the controllable heat sources shall be shut down as soon as the wood fired boiler delivers heat 4 117 Frost protection for the plant with the pump of the wo...

Page 171: ...d operating line 372 If no residual heat function is selected the pump will be deactivated on completion of the pump overrun time If the residual heat function is selected the valve for the maintained boiler return temperature if present will assume the throughport position no water from the flow added to the return The boiler pump continues to run The residual heat in the boiler is thus carried a...

Page 172: ... is deacti vated and the valve is closed If the temperature differential exceeds 8 K the re sidual heat function will be activated again that is the pump will be switched on and the valve will again assume the through port position This state will be maintained again for a minimum of 2 minutes If the temperature differential is smaller than 4 K the residual heat function will be stopped again The ...

Page 173: ...plant the residual heat can be supplied directly to the consumers To activate or deactivate the residual heat function for the consumers press the buttons Setting range Unit Factory setting 0 1 0 Entry 0 No The residual heat is not used by the consumers 1 Yes The residual heat is directly used by the consumers The consumer pumps draw the required amount of water directly from the boiler the boiler...

Page 174: ... speed of pump of the wood fired boiler Minimum speed limitation of boiler pump Q10 The minimum boiler pump speed can be defined It is thus possible to negate the low est pump speeds which cannot be properly controlled Setting range Unit Factory setting 0 max 40 max Boiler pump maximum speed of pump operating line 392 4 124 Maximum speed of pump of the wood fired boiler Maximum speed limitation of...

Page 175: ... buttons No test 0 Everything OFF 1 Boiler pump ON Q10 2 In addition release ON Q10 K3 3 In addition maintained boiler return temperature OFF Q10 K3 Y10 4 In addition maintained boiler return temperature ON Q10 K3 Y9 With test steps 0 1 and 2 the valve for the maintained boiler return temperature can be in any position passive dead Heat pump Setpoints actual values The settings on operating lines ...

Page 176: ...mperature setpoint will automatically be displayed on this operating line Display Unit 0 140 C 4 129 Display of actual value of heat pump return temperature B71 The actual value of the heat pump return temperature will automatically be displayed on this operating line Display Unit 50 350 C If the display shows there is no value available 4 130 Actual value of water brine flow temperature B11 The a...

Page 177: ...ing h The number of heat pump operating hours can also be acquired via input E1 operating lines 877 and 880 To reset the hours run counter to 0 press the buttons simultaneously for 3 sec onds 4 132 Operating hours heat pump stage 2 K2 Overview of the number of operating hours of heat pump stage 2 Criterion for service and maintenance work The display shows the total number of operating hours of he...

Page 178: ... 410 The number of starts of heat pump stage 1 can also be acquired via input E1 operating lines 878 and 880 To reset the start counter to 0 press the buttons simultaneously for 3 seconds 4 134 Number of starts of heat pump stage 2 K2 Overview of the number of starts of heat pump stage 2 Aid for calculating the average running time of heat pump stage 2 The display shows the total number of starts ...

Page 179: ...f the common flow tem perature 4 Mean value B21 B71 2 The heat pump is switched on and off as a function of the mean value of flow and return temperature 5 ON with flow temperature sensor B21 OFF with return temperature sensor B71 6 ON with flow temperature sensor B21 OFF with buffer storage tank temperature sensor B42 B41 B4 7 ON with common flow temperature sensor B10 OFF with buffer storage tan...

Page 180: ...ff time operating line 414EXP the minimum compressor on time operating line 413EXP and compensation of the running time dependent surplus heat heat deficit operating line 416EXP can considerably delay the switch on off time according to the switching differentials ON and OFF operating lines 421 and 422 4 137 Heat pump switching differential OFF Defines the heat pump s switch off point The heat pum...

Page 181: ...etting range Unit Factory setting 1 30 K 8 To obtain the current return temperature setpoint the current flow temperature setpoint according to the heating curve is reduced by the current temperature differential For that purpose the entered temperature differential between flow and return at an outside temperature of 10 C is converted to the composite outside temperature op erating line 705 This ...

Page 182: ...r when the heat pump is the only heat source With bivalent parallel or bivalent partial parallel operation this setting should not be used since in that case the 2 heat sources would receive different heat demand signals To be able to satisfy the consumers demand for heat the selected reduction may not exceed the smallest mixing valve boost selected in the system with this controller on operating ...

Page 183: ...the normal pump kick refer to chapter 6 General control func tions the water brine pump will be activated according to the times of the free time switch program operating lines 12 through 18 4 142 Control of the heat pump circulators The control mode of the heat pump circulators can be selected The setting defines the criteria according to which the heat pump circulators shall be operated Setting ...

Page 184: ...e functionality the functional test enables individual terminals or combina tions of terminals to be controlled Setting range Unit Factory setting 0 4 The following test steps are available can be selected with the buttons No test 1 Brine pump ON Q8 2 In addition heat pump circulator ON Q8 Q9 3 In addition heat pump stage 1 ON Q8 Q9 K1 4 In addition heat pump stage 2 ON Q8 Q9 K1 K2 The functional ...

Page 185: ...ual value B41 of the buffer storage tank temperature at the bottom Actual value B42 of the buffer storage tank temperature at the center This sensor is used for auxiliary function 11 operating line 156 Actual value B43 of the buffer storage tank temperature for partial charging This sensor is used for auxiliary function 2 partial charging operating lines 143 through 145 No value available B4 B41 S...

Page 186: ...play of the return temperature acquired with sensor B73 Display Unit 50 350 C The return temperature can be displayed only if a free sensor terminal has been assig ned to sensor B73 Otherwise the display will show With auxiliary function 1 return diversion sensor assignment is to be made on oper ating line 142 No value available 4 147 Display of setpoint of the buffer storage tank temperature Know...

Page 187: ...fer storage tank is charged with the help of sensor B4 and a switching differential As soon as the temperature at sensor B4 drops 2 K below the required value the buffer storage tank will be charged until the temperature at sensor B4 lies one switching differential above the temperature displayed on operating line 456 slave pointer 1 The buffer storage tank is charged with the help of sensors B4 a...

Page 188: ... an additional switch on criterion In that case the ON OFF switching differential against the higher of the 2 values TPx or TPmin is to be maintained Setting range Unit Factory setting 0 line 472 C 0 This ensures that the upper part of the stratification storage tank possible with Sol 4 9 10 11 and 15 will be raised to a higher temperature level already at the beginning of charging instead of heat...

Page 189: ...ontroller will lock the controllable heat sources If this kind of locking is not desired it can be deactivated on this operating line Setting range Unit Factory setting 0 1 0 Entry Automatic heat generation lock is deactivated 0 Automatic heat generation lock is activated Heat generation will be locked as soon as the criteria defined on operating line 474 for the buffer storage tank sensor at the ...

Page 190: ...te the extra heat required Released The heat sources will be released when Buffer storage tank temperature heat demand from the heating circuits ΔT Locked The heat sources will be locked when Buffer storage tank temperature heat demand from the heating circuits ΔT 2 K The standard setting of 2 K partly compensates the boost of the heat demand from the heating circuits The parameter is active only ...

Page 191: ...quired by the sensor at the time forced charging was stopped Forced charging can be triggered via input E1 or the free time switch program Triggering via input E1 At input E1 operating line 880 select setting 8 forced buffer storage tank charging Forced charging will be triggered as soon as an appropriate signal is present at input E1 If setting8 is not selected on operating line 880 forced buffer...

Page 192: ...n the mode of operation selected on operating line 482 For a description of the auxiliary function and a graph refer to operating lines 140 and 141 4 155 Return diversion temperature differential OFF ZuFu1 Defines the temperature differential required for deactivating auxiliary function Return diversion ZuFu 1 Setting range Unit Factory setting 0 line 480 K 5 The controller compares the temperatur...

Page 193: ...ng lines 140 and 141 The temperature differentials required for activating the function can be set on operat ing lines 480 and 481 4 157 Storage tank sensor for the return diversion ZuFu1 Defines which of the buffer storage tank sensors shall use auxiliary function Return di version ZuFu1 for generating the temperature differentials operating lines 480 and 481 Setting range Unit Factory setting 1 ...

Page 194: ... RVP540 RVP550 uses the electric immersion heater for reheating or emergency heating for description refer to operating line 170 4 159 Selection of control sensor for electric immersion heater in the buffer storage tank Either common flow temperature sensor B10 or buffer storage tank sensor B4 can be used as the control sensor for the electric immersion heater in the buffer storage tank Setting ra...

Page 195: ...ex ceeds the maximum storage tank temperature MSP and deactivated when the actual storage tank temperature falls by the selected hysteresis operating line 490 below the maximum storage tank temperature MSP Priority 2 Will be activated when the actual value of the storage tank temperature TPx ap proaches a level that lies half the temperature differential operating line 489 below the safety tempera...

Page 196: ...aximum storage tank temperature priority 2 will be deactivated 4 162 Hysteresis for buffer storage tank cooling function with priority 1 The switch off point for the buffer storage tank cooling function with priority 1 can be set via a hysteresis Setting range Unit Factory setting 1 20 C 5 When the maximum buffer storage tank temperature MSP is reached the buffer stor age tank cooling functions wi...

Page 197: ...4 164 Priority of buffer storage tank cooling with the collector pump The priority of the cooling function can be selected OFF priority 1 priority 2 As soon as the selected priority is released and the collector temperature has dropped below the storage tank temperature by the amount of Temperature differential ON e g during the night or in the case of overcast skies the heat will be released to t...

Page 198: ...tted by the selected type of hydraulic circuit Setting range Unit Factory setting 1 2 1 The cooling function will be stopped as soon as the selected priority is no longer re leased refer to mode of operation on page 195 4 166 Priority of buffer storage tank cooling with overtemperature protection output K11 The priority of the cooling function can be selected OFF priority 1 priority 2 Relay K11 wi...

Page 199: ...s on the type of heating circuit pump or mixing heating circuit con troller internal heating circuit or heating circuits connected via LPB The pumps of all pump heating circuits controller internal and LPB will be put into op eration The forced signal raises the flow temperature setpoint of the mixing heating circuits With the forced signal the flow temperature setpoint of the controller internal ...

Page 200: ...uring the following periods of time depending on the selection made 1 Only for frost protection for the storage tank The electric immersion heater will only be used to provide frost protection for the storage tank 2 Only in summer operation The electric immersion heater will heat the d h w in summer operation oper ating line 29 according to operating lines 770 through 795 In winter operation the d...

Page 201: ...soon as the temperature at sensor B3 falls below the required level the d h w storage tank will be charged until the temperature at sensor B3 exceeds the current d h w setpoint by one switching differential 1 Recharge control is accomplished with sensors B3 and B31 start stop behavior When the temperature at B3 at the top falls below the required level the buffer storage tank will be charged until...

Page 202: ...itional switch on criterion In that case the ON OFF temperature differential against the higher of the 2 values TBx or TBmin is to be maintained Setting range Unit Factory setting 0 line 523 C 80 This ensures that the upper part of the stratification storage tank possible with Sol 4 9 10 11 and 15 will be raised to a higher temperature level already at the beginning of charging instead of heating ...

Page 203: ...eat transfer function permits the transfer of heat from the buffer stor age tank to the d h w storage tank This can be accomplished either with the d h w charging pump Q3 or with the storage tank transfer pump ZuFu 3 Q11 For heat transfer to take place several criteria must be satisfied The Automatic heat transfer function operating line 531 must be activated set ting 1 or 2 The temperature of the...

Page 204: ...tting range Unit Factory setting 1 2 1 The following pump will be put into operation when the heat transfer function is active Automatic heat transfer function OFF 1 Automatic heat transfer takes place with d h w charging pump Q3 2 Automatic heat transfer takes place with storage tank heat transfer pump Q11 ZuFu 3 operating line 146 For that purpose the auxiliary function must be activated and a p...

Page 205: ...ature does not lie below the value of the slave pointer 4 176 Heat transfer temperature differential ON Defines the temperature differential between buffer storage tank sensor B4 and the selected d h w storage tank sensor operating line 530 that is required for triggering automatic heat transfer Setting range Unit Factory setting Line 535 40 C 6 When the temperature differential is reached and the...

Page 206: ...s the maximum storage tank temperature MSB and deactivated when the actual stor age tank temperature falls by the adjusted hysteresis below the maximum storage tank temperature MSB Priority 2 Will be activated when the actual storage tank temperature TBx reaches a level which lies half the temperature differential operating line 539 below the storage tank safety temperature and deactivated when th...

Page 207: ...rage tank temperature MSB priority 2 will be deactivated 4 180 Hysteresis for the d h w cooling function with priority 1 The switch off point for the d h w storage tank cooling function with priority 1 can be set via a hysteresis Setting range Unit Factory setting 1 20 C 5 When the maximum d h w storage tank temperature MSB is reached the d h w stor age tank cooling functions with priority 1 will ...

Page 208: ...P 4 182 Priority of d h w storage tank cooling with the collector pump The priority of the cooling function can be selected OFF priority 1 priority 2 As soon as the selected priority is released and the collector temperature has dropped below the storage tank temperature by the amount of Temperature differential ON e g during the night or in the case of overcast skies the heat will be released to ...

Page 209: ...st makes possible the control of individual relays or relay combinations in order to check the functionality Setting range Unit Factory setting 0 3 Press the buttons to activate the required test step No test 0 Everything OFF 1 Charging pump ON Q3 2 In addition diverting valve ON Q3 Y3 3 Transfer pump ON Q13 Combi storage tanks 4 185 B4 delivers the temperature signal for the B31 functionality Sav...

Page 210: ... a boiler burning wood chips or pellets The controller analyzes the selected basic diagram with regard to its heat source com bination and based on this analysis automatically defines the lead boiler This is made based on the following table Heat source combination Oil gas heat pump Wood Lead heat source Lag heat source x x Heat pump Oil gas x x Wood Oil gas x x Heat pump Wood Noncontrollable heat...

Page 211: ...n time Prevents frequent switching of the lag heat source If the output of the lead heat source is no longer sufficient to satisfy the demand the controller starts calculating the heat deficit The calculation takes into account the lack of heat over time and makes corrections until the adjusted value is reached Setting range Unit Factory setting 0 500 K min 200 On completion of the adjusted switch...

Page 212: ...In the hatched outside temperature range the relevant heat source is released 20 10 0 10 20 30 C 2392Z55 TAxged OeG Ho Wp SD SD SD 30 Wp heat pump Ho wood fired boiler OeG Oil gas fired boiler 630 Release of the oil gas fired boiler below the outside temperature threshold 631 Release of the heat pump above the outside temperature threshold 632 Release of the wood fired boiler below the outside tem...

Page 213: ...side temperature for release of the oil gas fired boiler can be defined Definition of the outside temperature below which the oil gas fired boiler may be put into operation Setting range Unit Factory setting 30 30 C Oil gas fired boiler is always released The oil gas fired boiler is released when the composite outside temperature lies be low the adjusted value If the outside temperature lies above...

Page 214: ... absorb small outside temperature variations Refer to Release of outside temperature above operating line 630 4 192 Release of wood fired boiler below the outside temperature threshold Outside temperature for release of the wood fired boiler can be defined Definition of the outside temperature below which the wood fired boiler may be put into operation Setting range Unit Factory setting 30 30 C Wo...

Page 215: ...heat source D h w heating is provided by the lag heat source For that the lag heat source will be released if it was not released before The lead heat source continues to heat to the setpoint for space heating 3 D h w heating with lag heat source lead heat source during d h w heating OFF D h w heating is provided by the lag heat source For that the lag heat source will be released if it was not re...

Page 216: ...nominal room temperature setpoint is made up of the adjusted setpoint and a readjustment that may have been made on the room unit Without room unit Adjustment made with the controller s setpoint knob controller s nominal room temperature setpoint When using a room unit with no programming facility e g QAW50 Adjustment made with the controller s setpoint knob readjustment made on the room unit 3 C ...

Page 217: ... unit QAW50 QAW70 4 196 Heating circuit flow temperature setpoint TVw Displays the current flow temperature setpoint of the heating circuit When selecting this operating line the current flow temperature setpoint of the control ler s internal heating circuit is displayed Display Unit 0 140 C The value displayed corresponds to the flow temperature of the heating circuit that is required for satisfy...

Page 218: ... The generation of the attenuated outside temperature cannot be influenced Display Unit 50 50 C The attenuated outside temperature is generated by the controller It is continually cal culated based on the prevailing outside temperature The factory setting is 0 C The attenuated outside temperature affects directly only the summer winter change over setting 29 The attenuated outside temperature acts...

Page 219: ... temperature is dependent on the type of building construction setting 725 and is generated as follows Selected type of construction Composite outside temperature Heavy setting 725 0 Tagem TAakt TAged Light setting 725 1 Tagem TAakt TAged The composite outside temperature as a compensating variable acts on flow tempera ture control that is thus matched to the prevailing weather conditions It also ...

Page 220: ... room temperature setpoints and actual room temperatures Setting range Unit Factory setting 4 5 4 5 K 0 0 By changing the value entered all room temperature setpoints will be appropriately raised or lowered This allows the room temperature setpoints to be matched to the ef fective room temperatures If a nominal room temperature setpoint of 20 C adjusted on the controller always pro duces a room te...

Page 221: ...ture deviations on the temperature control Entry 0 Room influence inactive The measured room temperature will not affect the temperature control 1 Room influence active The measured room temperature will affect the tem perature control Room influence means Deviations of the actual room temperature from the setpoint are acquired and taken into account by temperature control To use the control varia...

Page 222: ...umps are switched on and off more often Room temperature varies within a narrower band Increase Switching differential will become greater Pumps are switched on and off less often Room temperature varies within a wider band With pump heating circuits the amount of heat supplied must be controlled by switch ing the pumps on and off This is accomplished with 2 position control by means of the room t...

Page 223: ...n operating line 724 0 10 20 30 40 50 60 70 80 90 100 TV max min akt C 2392Z28 TVw TVw Current flow temperature setpoint 723 Minimum limitation of the flow temperature setpoint 724 Maximum limitation of the flow temperature setpoint The setting will make certain that the flow temperature setpoint will not fall below a minimum level If the flow temperature setpoint demanded by the heating circuit r...

Page 224: ...limit in other words it will not be allowed to exceed it 4 206 Type of building construction Consideration is given to the building s thermal dynamics Enables the control system s response to be matched to the type of building construc tion Setting range Unit Factory setting 0 1 1 When the outside temperature varies the room temperature changes at different rates depending on the building s therma...

Page 225: ... following situations should occur as rarely as possi ble especially after commissioning since this would reset certain calculations re quired for the adaption Manual correction of the heating curve slope parallel displacement Power failure Changes to the room temperature setpoint Every day at midnight the room temperature control differential of the previous day is evaluated This evaluation leads...

Page 226: ...tings 18 10 2002 Example using a nominal room temperature setpoint of 20 C f Factor f1 Factor for parallel displacement f2 Factor for slope TAged Attenuated outside temperature ZAF1 Adaption sensitivity 1 operating line 709EXP ZAF2 Adaption sensitivity 2 operating line 710EXP Diagram 0 2371D07 TA 12 4 4 12 0 5 1 f 20 ged f1 f2 ZAF1 ZAF2 ...

Page 227: ...he nominal temperature level Optimization calculates the changeover time such that at the start of occupancy the room temperature will have reached the nominal setpoint The forward shift is made with energy occupancy period 4 208 1 Without room temperature sensor The composite outside temperature is used as the compensating variable In the case of floor heating systems the maximum forward shift sh...

Page 228: ...timum stop control can be limited to a maximum Setting range Unit Factory setting 00 00 06 00 hh mm 00 00 The adjusted value will automatically be displayed on this operating line 00 00 Optimum stop control is switched off 00 10 Maximum forward shift of optimum stop control 06 00 Optimum stop control acts only when a room sensor is used and when room influence is active The maximum forward shift c...

Page 229: ...Locking signal will be reduced 100 Locking signal will be adopted unchanged 101 200 Locking signal will be amplified up to 2 times 4 211 Frost protection for the plant with the heating circuit pump Frost protection for the plant with the heating circuit pump can be switched on and off Setting range Unit Factory setting 0 1 1 0 The General frost protection for the plant does not act on the pump of ...

Page 230: ...733 Zeile734 10 734 30 line 733 C C 5 10 Operating lines 733 and 734 define the switching points for the start and end of lift of the reduced room temperature setpoint Defines the start of lift of the reduced room temperature setpoint Between the 2 temperatures set on operating lines 733 and 734 the reduced room temperature setpoint will be raised in a linear fashion Defines the end of lift of the...

Page 231: ...ng range Unit Factory setting 0 3 0 Selection of a temperature profile activates the floor curing function and the heating cir cuit ensures the preset flow temperatures 0 Inactive 1 Functional heating 2 Floor curing heating 3 Functional and floor curing heating 4 213 1 Temperature profile The following graph shows the temperature profile of the selected floor curing function 50 45 40 35 30 20 5 10...

Page 232: ...ature profile The starting day is called day 0 and adopts the flow temperature value of day 1 The flow temperature changes dictated by the temperature profile always take place at midnight When the floor curing function is activated the mixing valve ensures that the flow tem perature dictated by the temperature profile will be maintained This means that protec tive boiler start up or d h w heating...

Page 233: ... heating circuit pump in will automatically be displayed on this op erating line Display Unit 0 100 The heating circuit pump is not speed controlled 4 216 Minimum speed of the heating circuit pump Minimum limitation of speed of the heating circuit pump The minimum speed of the heating circuit pump can be defined It is thus possible to negate the lowest pump speeds which cannot be properly controll...

Page 234: ...perating line 741 1 Changeover according to the characteristic The speed is controlled based on the flow and the outside temperature The change from minimum speed operating line 471 to maximum speed operating line 472 takes place when the maximum flow temperature is not able to cover the demand for heat For details refer to the description of the differential of flow and return tempera ture in cha...

Page 235: ...played depends on the following parameters Time switch program d h w heating operating lines 20 35 Nominal setpoint of the d h w temperature operating line 26 Reduced setpoint of the d h w temperature operating line 770 Release of d h w heating operating line 771 Assignment of d h w operating line 773 Number of the d h w heating cycles per day operating line 774 Legionella function OFF duration of...

Page 236: ...erature sensor B31 Actual d h w temperature sensor B32 Actual d h w temperature sensor B33 No value available 4 222 Maximum values of d h w temperatures B3 B32 Knowledge of the maximum temperature acquired in the d h w storage tank Display Unit 50 350 C The highest temperature acquired since the last reset will automatically be displayed on this operating line Maximum value of the d h w temperatur...

Page 237: ...Setting range Unit Factory setting 8 TBWw C 40 TBWw Nominal setpoint of the d h w temperature setting on operating line 26 The temperature setpoint during reduced d h w operation will be changed 0 10 20 30 40 50 60 70 80 90 100 120 130 140 C 2392Z29 26 Setting Nominal d h w temperature setpoint 770 Setting Reduced d h w temperature setpoint 750EXPSetting Maximum nominal setpoint of the d h w tempe...

Page 238: ...ng to the d h w time switch program of the RVP540 RVP550 4 224 1 24 hour operation Setting 0 The d h w is continuously charged to the nominal d h w temperature setpoint inde pendent of the time switch program operating line 26 0 6 12 18 24 h 2371Z18 4 224 2 Operation according to the heating program with forward shift Setting 1 For d h w heating the heating circuit time switch programs of the cont...

Page 239: ...of the switch on times is inactive 0 6 12 18 24 h 2373Z24 4 225 Program selection circulating pump The circulating pump runs only during the selected periods of time No unnecessary heat losses during the periods of time when there is no demand for d h w Defines the time switch program according to which the circulating pump is switched on and off Setting range Unit Factory setting 0 3 1 Depending ...

Page 240: ... 1 For all consumers controllers in the same segment 2 For all consumers controllers in the LPB system only if the controller is in segment 0 In the case of d h w heating according to the heating circuit time switch program oper ating line 771 setting 1 the time switch programs are used from the appropriate range for the release of d h w heating at the nominal temperature setpoint based on the con...

Page 241: ...de the controller releases d h w heating either once or several times per day and adjusts the forward shift accordingly Setting Charging day Forward shift 0 One 2 5 hours 1 Several 1 hour 4 227 1 Once per day with a forward shift of 2 5 hours Setting 0 The number of daily releases for d h w heating at the nominal temperature setpoint is limited to one Also with this setting the switch on point is ...

Page 242: ...iagrams7 through 10 or auxiliary function 3 temperature sensors are required as well acquisi tion of temperature differential When using a d h w sensor The controller calculates the switching points with the respective switching differential from the d h w temperature setpoint entered Sensor line with a short circuit error message Sensor value available d h w according to the current setpoint Sens...

Page 243: ...ated up the boiler temperature must be higher than the d h w setpoint This setpoint boost can be set on this operating line Setting range Unit Factory setting 0 30 K 16 The setting will raise the boiler temperature setpoint when there is demand for d h w Increase Heating up time will become shorter More overshoot Decrease Heating up time will become longer Less overshoot Using the two settings the...

Page 244: ...he mixing heating circuits restricted until d h w heating is terminated Frost protection for the plant is fully active only in the case of setting 2 With setting 0 or 1 it will be partly or fully restricted If the boiler is correctly sized frost protection for the plant is also ensured when using setting 1 In the case of plants where there is a con siderable risk of frost e g plants with outdoor h...

Page 245: ...mer the locking signal will lead to switching on off or a set point reduction Cycling or deactivation of the pumps will reduce the amount of heat drawn from the heat source This will considerably shorten the time required for heating up the d h w Heating circuit pump Status Effect Locking signal 20 Normal pump operation Locking signal 20 Heating circuit pump cycles Locking signal 93 Heating circui...

Page 246: ...n of the heat contained in the buffer storage tank Defines the priority of d h w heating over space heating This function works only if Automatic heat transfer from the buffer to the d h w storage tank is activated operating lines 530 535 Setting range Unit Factory setting 0 2 1 Entry 0 Absolute priority The controller internal heating circuit and the heating circuits of other controllers connecte...

Page 247: ... inactive 1 Automatic d h w push is active The d h w push is triggered as soon as the actual d h w temperature falls below the reduced d h w setpoint operating line 770 by an amount exceeding twice the switch ing differential operating line 751EXP TBWx TBWR 2 SDBW When the d h w push is triggered the storage tank is charged once until the nominal d h w temperature setpoint operating line 26 is rea...

Page 248: ...at required can be supplied by the electric immersion heater Setting range Unit Factory setting 20 80 C Function deactivated As soon as the changeover temperature adjusted here is reached the controller will switch the heat source off and the electric immersion heater on The electric immersion heater remains in operation until the required setpoint is reached The setpoint must be reached at the se...

Page 249: ... be selected Legionella function can be deactivated The legionella function can be triggered on a certain weekday or periodically or it can be deactivated Setting range Unit Factory setting 1 7 Weekday 7 Entry OFF Legionella function inactive 1 7 Duration of period weekday Duration of period in days or weekday 1 Monday 7 Sunday This setting has an impact in connection with the setting made on oper...

Page 250: ...ixed period The legionella function will be triggered after an adjustable number of days 1 7 days refer to operating line 790 If the legionella setpoint operating line 792 has already been reached on the same day due to heating by noncon trollable heat sources the legionella function will be omitted and reactivated only after the selected number of days have elapsed again 3 Fixed weekday The legio...

Page 251: ...ionella function will be triggered during the selected period operating line 790 at the time of day set here Setting range Unit Factory setting 00 00 24 00 hh mm 18 00 4 239 Dwelling time at legionella function setpoint Adjustable minimum dwelling time at the legionella setpoint The setpoint of the legionella function operating line 792 is maintained for at least the period of time set here Settin...

Page 252: ...art of the plant Setting range Unit Factory setting 0 1 C 1 0 The circulating pump ZuFu4 operating line 147 does not run during the time the legionella function is performed 1 The circulating pump ZuFu4 operating line 147 runs during the time the le gionella function is performed If this function is deactivated there is a risk that legionella bacteria will return from the circulation piping to the...

Page 253: ...ating circuit will be ignored by the above mentioned heat sources The heating circuits will only be heated by heat delivered by a wood fired boiler or by solar collectors 3 D h w and heating circuit Demand for heat from d h w and the heating circuits will be ignored by the above mentioned heat sources All the heat required by the plant is delivered by a wood fired boiler or by solar collectors Ign...

Page 254: ... between the heat demand currently placed on the heat sources and the common flow temperature effectively acquired by sensor B10 The previous heat demand is adjusted by this differential and passed to the heat sources as the new heat demand The maximum readjustment can be made on this operating line Even if the deviation calls for a larger readjustment the maximum readjustment made is the value se...

Page 255: ...ting range Unit Factory setting 0 1 1 Entry of the device address is especially important when used in a system The ad dresses classify the controllers within a segment Within a segment the RVP540 RVP550 can only be used as a standalone controller 0 or master 1 The controller cannot be connected to some other master as a slave Entry Address Effect Example 0 Standalone Single controllers 1 Master L...

Page 256: ... doc no CE1N2030E and Local Process Bus LPB Basic Engineering Data doc no CE1N2032E 4 246 LPB power supply A central bus power supply is not required in systems with up to 16 devices Straightforward extension of systems The bus power supply via the controllers enables the bus system to be powered directly by the individual controllers no central bus power supply The type of bus power sup ply can b...

Page 257: ...lers is currently inactive Power supply to the bus can be accomplished in different ways The respective setting is made on operating line 852 4 248 Range of action of central changeover The range of action of the central changeover actions can be defined Function for defining the range of action of central changeover Setting range Unit Factory setting 0 1 1 The range of action can be defined for t...

Page 258: ... summer winter changeover depending on the selection made on operating line Range of action of central changeover oper ating line 855 4 250 Central standby switch Central operation of the interconnected system Centrally from the RVP540 RVP550 the entire heating system can be switched to standby Setting range Unit Factory setting 0 1 0 Entry 0 Central standby switching is deactivated 1 Central stan...

Page 259: ...ler to which a sensor is connected Display Unit 00 01 14 16 No signal Segment and device address The LPB address of the outside sensor that currently delivers the outside temperature signal will automatically be displayed on this operating line No outside sensor signal 01 02 Address of outside sensor The first 2 digits represent the segment number 01 The second digit corresponds to the device numb...

Page 260: ... The clock time on the unit can be adjusted The controller s clock time will not be matched to the system time Adjustment Controller s time System time 1 System time The clock time on the unit cannot be adjusted The controller s clock time will automatically and continuously be matched to the system time Adjustment Controller s time System time 2 System time with adjustment The clock time on the u...

Page 261: ... For that purpose the time of day is shifted forward by one hour Setting range Unit Factory setting 01 01 31 12 hh mm 25 03 4 254 Summer wintertime changeover Automatic changeover of the yearly clock to wintertime In accordance with present international standards the change from summertime to wintertime takes place on the last Sunday in October The standard setting of the con troller complies wit...

Page 262: ...d 3 Minimum flow temperature setpoint The Minimum flow temperature setpoint TVHw set on operating line 871 will be activated by closing input H1 4 Heat generation lock oil gas The oil gas fired boiler will be locked by closing input H1 5 Heat demand DC 0 10 V The demand for heat is delivered to the heat sources in the form of a voltage sig nal 6 Error alarm message Error message 171 will appear on...

Page 263: ...ding on the selected setting When using terminal H1 as a voltage input setting 5 it is not possible to connect sev eral signals in parallel When 2 heat demands are received at the same time one via input H1 settings 3 5 and a second one LPB d h w or controller internally the highest of them will auto matically be selected The contacts must be suited for use with extra low voltage gold plated 4 255...

Page 264: ...2 as selected above d h w heating remains released only operating mode button will flash Changeover of all controllers in the same segment Prerequisite With segment 0 setting 0 must be made on operating line 855 range of action of segment with the other segments the setting on operating line 855 has no impact The contact must be connected to the master controller in seg ments 0 to 14 Possible addr...

Page 265: ... the boiler will be maintained 4 255 4 Heat demand Setting 5 External consumers can transmit a demand for heat in the form of an analog signal of DC 0 10 V The RVP540 RVP550 converts this voltage signal to a temperature set point of 0 130 C and considers this value when generating the setpoint v 0 2 4 6 8 10 10 20 30 40 50 60 70 80 90 100 110 120 130 c 2379Z26 T 130 C T 50 C T 70 C T 90 C T 110 C ...

Page 266: ...1 has been selected Setting range Unit Factory setting 8 TKmax C 70 TKmax Maximum limitation of the boiler setpoint operating line 251EXP Function Minimum setpoint of flow temperature contact H1 selected on operating line 870 will be activated when contact H1 closes The heat source will maintain the tem perature level set here until either contact H1 reopens or more heat is demanded If several hea...

Page 267: ... demand via H1 operating line 870 setting 5 Based on this temperature the controller converts the heat demand voltage signal to a temperature 4 258 Operating action of the contact connected to H1 The operating action of the contact can be matched to the type of output signal de livered by a device of other manufacture More flexibility when selecting non Siemens products both operating actions can ...

Page 268: ...f the number of starts The number of starts the controller made since it was reset will automatically be dis played on this operating line Display Unit 0 999 999 So that the number of starts will be counted setting 1 or 6 Hours run and start coun ter must be selected on operating line 880 and the heat source whose number of starts shall be counted must deliver an AC 230 V signal To reset the hours...

Page 269: ...ontroller by deliv ering an AC 230 V signal Based on this signal the controller acquires the num ber of heat pump starts and the number of operating hours The relevant values will appear on operating lines 877 and 878 If setting 6 is selected and the controller receives no feedback from the heat pump within the period of time set on operating line 412EXP the controller will cause the heat pump to ...

Page 270: ...p of ancillary equipment The pulse width modulated PWM output can be assigned either to the solar pump the pump of the wood fired boiler or the heating circuit pump The relay terminal connections of the relevant pump in that case do not change they will only be complemented by the PWM control line Setting range Unit Factory setting 1 4 1 According to the setting output P1 is assigned to one of the...

Page 271: ... to run at 45 of its nominal speed For that purpose it delivers a PWM signal of 52 5 The PWM characteristic is specific to the pump manufacturer The characteristic shown above represents the mean value of the most common products 4 264 PWM signal logic P1 Invertible PWM signal The PWM signal can be inverted This means that it is also possible to control variable speed pumps with an inverted signal...

Page 272: ...tput Ux Control of voltage modulated pumps Output of a voltage proportional demand for heat The voltage modulated output can be assigned either to the solar pump the pump of the wood fired boiler or the heating circuit pump or it can be used as an output for a voltage proportional demand for heat The relay terminal connections of the pumps in that case do not change they will only be complemented ...

Page 273: ...10 V refer to operating line 891 The heat demand is delivered only if the oil gas fired boiler is released accord ing to Lead heat source operating line 620 and Release of oil gas fired boiler below the outside temperature threshold operating line 630 Green button and heat generation lock operating lines 376 and 473 continue to be active 8 Output setpoint wood fired boiler Output Ux is used for de...

Page 274: ... the form of an analog voltage signal of DC 0 10 V The maximum heat demand is to be defined on this operating line corresponding to 10 V The conversion of the required temperature to a voltage signal takes place in a linear fashion based on the following calculation v 0 2 4 6 8 10 10 20 30 40 50 60 70 80 90 100 110 120 130 c 2379Z26 T 130 C T 50 C T 70 C T 90 C T 110 C S 5 C t Maximum value of hea...

Page 275: ...rted The signal will be inverted before it is delivered 4 270 Displaying voltage output Ux Display of the actual value at voltage output Ux in Display Unit Factory setting 0 100 DC 0 10 V 0 100 4 271 Output test voltage output Ux The voltage output signal can be checked For test purposes a predefined and constant signal can be delivered via output Ux Setting range Unit Factory setting 0 100 The se...

Page 276: ...neer parameters The parameters of the programming level Heating engineer with the exception of the hours run and start counters and the slave pointer can be reset together To do this press the buttons simultaneously for 3 seconds Setting range Unit Factory setting 0 1 0 All parameters of the programming level Heating engineer will be reset to their default values Description Setting Caution ...

Page 277: ...de sensor is connected controller internal or LPB Setting range Unit Factory setting 0 1 1 Depending on the selection made the plant will be protected by activating the pumps In that case the heat sources will not be put into operation The heat sources are put into operation only if this is demanded either by frost protec tion according to the component temperature refer to chapter 6 Frost protect...

Page 278: ...hour intervals takt 1 5 C Continuously OFF OFF Between 4 5 C different statuses can occur In that range it is important which situation had existed before If the temperature was previously higher in the range of takt the pump will also cycle in the temprature range from 4 to 5 C and is continuously ON only when the tempe rature drops further If the temperature was previously lower in the range of ...

Page 279: ...0 120 C 80 This setting provides maximum limitation of the boiler temperature setpoint The boilers are operated at a temperature no higher than the adjusted temperature even if the consumers call for more heat 5 4 Switching differential of the boiler temperature SDK Adjustable control accuracy of the boiler temperature Burner s switching frequency is reduced Boiler temperature control is in the fo...

Page 280: ...n Setpoint for switching off If the boiler temperature TKx exceeds by more than half the switching differential the currently valid boiler temperature setpoint TKw the burner will be switched off The time switching off occurs can be delayed by the minimum burner running time Also refer to setting 253EXP TKw SDK 0 1 BR 2371D01 C TKw TKw SDK TKx t 40 C BR Burner TKx Actual value of boiler temperatur...

Page 281: ...er is switched on the minimum burner running time starts making certain that the burner will not be switched off before the set minimum time has elapsed If the boiler temperature exceeds the setpoint by the amount of the switching differen tial the minimum burner running time will be ignored or reset BR Burner FZ Release counter SDK Switching differential of the boiler tBRmin Minimum burner runnin...

Page 282: ... activate and deactivate burner stage 2 according to the switching differential The temperature time integral is a continuous summation of the temperature differential over time In this case the decisive criterion is the difference by which the boiler temperature falls below the burner s switch on setpoint TKw SDK 2 TKx Through the generation of the temperature time integral it is not only the per...

Page 283: ...ivate burner stage 1 according to the set switching differential The temperature time integral is a continuous summation of the temperature differential over time In this case the decisive criterion is the difference by which the boiler tem perature exceeds the burner s switch off setpoint TKx TKw SDK 2 Through the generation of the temperature time integral it is not only the period of time that ...

Page 284: ...heat from the boiler becomes invalid At the same time the previous flow temperature setpoint remains valid allowing the mixing valves of the controllers connected to LPB to stay open ON OFF t BR Q t TVNw TVRw 2373Z28 Y t tPN t HK ON OFF HK Operating mode BR Burner Q Pumps Y Extenal mixing valve via LPB TVNw Nominal flow temperature setpoint TVRw Reduced flow temperature setpoint Nominal operation ...

Page 285: ...tomatic operation with extended burner running time The boiler is operated only when one of the consumers calls for heat The effec tive boiler temperature setpoint is used even if it lies below TKmin operating line 270 If the boiler temperature drops below the setpoint by half the boiler s switching differential SDK 2 the burner will be put into operation until the boiler tem perature has exceeded...

Page 286: ...oiler startup with impact on the consumers and on the boiler pump 2 Protective boiler startup with impact on the consumers 3 Protective boiler startup with impact on the boiler pump Protective boiler start up is triggered via a locking signal generated by the temperature time integral Protective boiler startup leads to switching on off actions or setpoint reductions of the heating circuits dependi...

Page 287: ... boiler startup can be interrupted to ensure that in the event of a burner fault for instance frost protection for the plant will be provided In the case of protective boiler start up and simultaneous frost protection for the plant the boiler temperature gradient must turn positive within 15 minutes Otherwise the locking signal will become invalid for at least 15 minutes On completion of the 15 mi...

Page 288: ...ler pump Boiler pump control mode can be selected The setting defines the criteria according to which the boiler pump shall be operated Setting range Unit Factory setting 0 1 0 The settings have the following meaning 0 The boiler pump operates when there is a demand for heat In that case the boiler pump responds to locking signals 1 The boiler pump operates when there is a demand for heat or when ...

Page 289: ... actions triggered for that depends on the settings made in connection with these functions and the selected oil gas partial diagram Minimum limitation of the boiler temperature Tkmin operating line 270 must be set to a level above the Setpoint of minimum limitation of the return temperature adjusted on this operating line Boiler operating mode Automatic with extended burner running time operating...

Page 290: ...oint by half the switching differential the bypass pump will be deactivated again The frequency of switching on off changes as follows Increase of SDBP the bypass pump runs less frequently but for longer periods of time Return temperature variations are greater Decrease of SDBP the bypass pump runs more frequently but for shorter period of time Return temperature variations are smaller If the sele...

Page 291: ... deac tivated 1 According to the boiler return temperature The bypass pump will operate based on the Switching differential of the bypass pump operating line 283EXP and the Setpoint of minimum limitation of the return temperature operating line 252 5 15 1 Parallel with the burner Setting 0 The bypass pump operates according to the burner s on off signal The boiler return temperature has no direct ...

Page 292: ... return so that the boiler return temperatures rises If the boiler return temperature acquired with sensor B7 exceeds the adjusted Setpoint of minimum limitation of the return temperature operating line 252 by more than one Switching differential of the bypass pump operating line 283EXP the boiler bypass pump will be deactivated In general Prerequisite Bypass pump TKRx TKRmin ON TKRx TKRmin SDBP O...

Page 293: ...anipulated variable Δy at a given change of the control variable Δx 2392Z08 Tn y t Xp 1 t x 5 17 Integral action time minimum limitation of the return temperature oil gas Tn Adapting the control characteristic to the plant s behavior controlled system I part of the PI controller can be adjusted Setting the integral action time for the control of the mixing valve actuator used for the maintained bo...

Page 294: ...hed Setting range Unit Factory setting 20 350 C 120 Maximum limitation of the collector temperature collector 1 Maximum limitation of the collector temperature collector 2 When the maximum limitation of the collector temperature is reached the maximum storage tank charging temperature will be negated for buffer storage tanks operating line 472 for d h w storage tanks operating line 523 and the col...

Page 295: ...P Hysteresis for maximum limitation of the collector temperature 5 21 Collector frost protection temperature Adjustable temperature for frost protection for the collector Frost protection for the collector prevents the collector s from freezing at low outside temperatures When there are 2 collectors the setting applies to both Setting range Unit Factory setting 20 5 C Entry Frost protection for th...

Page 296: ...nk or combi storage tank it can be selected which of the storage tanks shall be charged by the solar collector with priority refer to operating line 333 Function Maximum storage tank charging time is active only if Relative priority setting 2 or 4 was selected During that period of time the storage tank with no priority will be charged if the switch on criteria for charging the priority storage ta...

Page 297: ...h on criteria for charging the priority storage tank will be met As soon as they are satisfied the priority storage tank will be charged no waiting for the end of the maximum waiting time If the switch on criteria are not met during the maximum waiting time charging of the storage tank with no priority will be started again during the maximum storage tank charging time 5 24 Changeover startup dela...

Page 298: ...ng 80 350 C means that the function is deactivated If the collector temperature sensor B6 or B61 exceeds the adjusted value the associ ated pump s will be deactivated The pump s will be released again only when the collector temperature has dropped one switching differential operating line 311EXP below the temperature set here 5 26 Switching differential to evaporation temperature of heat conducti...

Page 299: ...the wood fired boiler The minimum boiler return temperature can be adjusted The setting defines the permitted minimum boiler return temperature Setting range Unit Factory setting 8 140 C 60 Partial diagram Ho 1 for wood fired boiler with a fixed bypass or a 4 port mixing valve The amount of heat drawn by the consumers will be restricted such that the boiler re turn temperature will not fall below ...

Page 300: ...e manipulated variable Δy at a given change of the control variable Δx 2392Z08 Tn y t Xp 1 t x 5 30 Integral action time minimum limitation of the return temperature of the wood fired boiler Tn Adapting the control characteristic to the plant s behavior controlled system I part of the controller can be adjusted Setting the integral action time for the control of the mixing valve actuator used for ...

Page 301: ... dropped below the maximum switch off temperature by the amount of heat pump switching differential OFF operating line 421 and the minimum off time has elapsed operating line 414 5 33 Minimum switch on temperature Prevents excessive temperature drops at the selected control sensor The setting defines the minimum temperature at the selected heat pump control sensor Setting range Unit Factory settin...

Page 302: ...g 5 240 s 15 5 35 Overrun time of heat pump circulator and water brine pump When the compressor is switched off both the heat pump circulator and the water brine pump will overrun for the period of time set here Setting range Unit Factory setting 5 240 s 15 5 36 Minimum compressor on time Prevents premature switching off of compressor after startup Frequent switching on off of compressor causes we...

Page 303: ...t after fault has occurred The error messages Water brine sensor temperature too low error message 135 on operating line 50 and Feedback signal missing error message 137 will automatically be reset acknowledged after 6 hours Setting range Unit Factory setting 0 1 1 The settings have the following meaning 0 Automatic switch on attempt not activated 1 Automatic switch on attempt activated After auto...

Page 304: ... operating line 422 If at this moment in time the minimum compressor on time operating line 413EXP has not yet elapsed the compressor will be switched off only on completion of that period of time The heat pump circulator continues to run as long as the heat pump is released Any surplus heat that accumulates during the minimum compressor on time will be acquired by an integral Switching on of the ...

Page 305: ...ly when the locking time has elapsed The locking time starts at the point in time heat pump stage 1 is released Setting range Unit Factory setting 1 60 min 10 The locking time enables heat pump stage 1 to reach a stable condition before heat pump stage 2 is allowed to switch on 5 41 Release integral heat pump stage 2 Prevents frequent switching on off of heat pump stage 2 If the capacity of heat p...

Page 306: ...has reached the total number of operating hours set here the stage sequence will be reversed This means that heat pump stage 1 be comes heat pump stage 2 and vice versa The hours run counter of stage sequence changeover will be reset and starts counting again 5 44 Minimum water brine temperature Prevents uneconomical heat pump operation If the water brine temperature drops below a certain level he...

Page 307: ...ller will again release the heat pump Buffer storage tank EXP 5 46 Buffer storage tank safety temperature Limitation of the maximum permissible buffer storage tank temperature The maximum permissible temperature in the buffer storage tank coldest sensor can be adjusted At this temperature the collector pump will be deactivated even if collector overtemperature protection refer to operating lines 3...

Page 308: ...um safety temperature that can be adjusted For the settings required in connection with d h w storage tank overtemperature pro tection refer to operating lines 540 544 Space heating EXP 5 48 Boost of the flow temperature setpoint at the mixing valve UEM Efficient control of mixing heating circuits By adding cooler return water to the water delivered by the boiler boiler temperature variations will...

Page 309: ...be ad justed Defines the influence of room temperature setpoint deviations on the controlled system The room influence can be activated and deactivated operating line 721 Setting range Unit Factory setting 0 20 4 Changing this setting has the following impact Entry Increase Authority of room influence will increase Decrease Authority of room influence will decrease The value of setting 701EXP is d...

Page 310: ...k is started as soon as a change to a lower room temperature setpoint takes place e g switching times in automatic mode The heating circuit pump will be deactivated until the quick setback time has elapsed which is generated from setting 702EXP the composite outside temperature and the room temperature setpoint change The quick setback time is limited to a maximum of 15 hours The example applies t...

Page 311: ...re setpoint boost Heating up time will become shorter Decrease Less setpoint boost Heating up time will become longer Boost heating is started as soon as switching to a higher room temperature setpoint occurs e g switching times in automatic mode The room temperature setpoint will be raised by the setting made on line 703EXP until the room is heated up TRw C The boost produces an increase in the f...

Page 312: ...osition controller is to be entered on operating line 706EXP 1 3 position actuator The signal is used to control a mixing valve The mixing valve can assume any position between the 2 end positions 5 53 Switching differential of actuator The switching differential of a 2 position mixing valve can be set adjusted This enables the controller to be optimally adjusted to the type of actuator used Setti...

Page 313: ...10 min This period of time will be broken down according to the following on time ratio TRw TVxGed TRw TVwGef ε ε On time ratio TVwGef Demanded flow temperature setpoint TRw Current room temperature setpoint TVxGed Actual value of the attenuated flow temperature Multiplication of the on time ratio by the cycling period 10 minutes gives the number of minutes for which the pump runs This means that ...

Page 314: ...ng curve adaption in the temperature range between 4 12 C Also refer to section Adaption of heating curve operating line 726 Setting range Unit Factory setting 1 15 15 The level of adaption sensitivity is automatically adapted by the controller and there fore need not be manually adjusted The heating curve in the temperature range between 4 and 12 C will be differently adapted depending on the lev...

Page 315: ...crease Less adaption Each time a significant adaption of the heating curve below 4 C has taken place adaption sensitivity 2 ZAF2 will automatically be reduced by one step This means that the extent of adaption and thus the readjustment of the heating curve s slope will gradually be reduced When readjusting the slope of the heating curve operating line 30 the adaption sensi tivity will automaticall...

Page 316: ... manipulated variable Δy at a given change of the control variable Δx 2392Z08 Tn y t Xp 1 t x 5 59 Integral action time of the heating circuit Tn Adapting the control characteristic to the plant s behavior controlled system I part of the PI controller can be adjusted Setting the integral action time for control of the mixing valve actuator used for the heating circuit Setting range Unit Factory se...

Page 317: ... 61 Maximum nominal setpoint of the d h w temperature TBWmax Setting can be limited by the enduser Reduced risk of scalding Minimized proneness to buildup of lime Function for limiting the nominal setpoint of the d h w temperature Setting range Unit Factory setting 8 80 C 60 The setting will ensure maximum limitation of the nominal d h w temperature setpoint setting 26 0 10 20 30 40 50 60 70 80 90...

Page 318: ... larger Fewer and longer heating up times larger temperature variations Decrease Switching differential will become smaller More frequent and shorter heating up times smaller temperature varia tions D h w temperature control 2 position control heats the d h w at certain intervals The duration of d h w heating depends mainly on the storage tank s capacity and water volume and the amount of d h w cu...

Page 319: ...e met for both sensors Supervision of the buffer storage tank sensor ensures that in the case of d h w heating with the charging pump inadvertent supply of cold water by the buffer storage tank mixing will be prevented D h w heating will be released when the temperature at the supervised sensor s according to the above selection lies half a d h w switching differential operating line 751EXP above ...

Page 320: ...he temperatures acquired with the selected sensors are compared with the Flow temperature setpoint boost of the d h w operating line 776 If at least half the boost value is reached d h w heating will be released If the boost value is less than 1 8 of the value set d h w heating will be stopped With setting 2 the release criterion for both sensors must be met General service EXP 5 65 Software versi...

Page 321: ...ours cannot be reset 5 67 Resetting the EXP parameters The parameters of the EXP programming level can be reset as a whole To do this press the buttons simultaneously for 3 seconds Setting range Unit Factory setting 0 1 0 All parameters of the EXP programming level with the exception of the device operat ing hours 801EXP will be reset to their default values 5 68 Displaying the version of the basi...

Page 322: ...nsumer e g by a heat ing circuit generates the current boiler temperature setpoint The setpoint requirements considered stem from both controller internal setpoints heating circuit or input H1 and setpoints transmitted via LPB Auxiliary functions such as setpoint boosts and the like are included in the setpoints actually demanded at the time A demand for d h w has priority over all other setpoint ...

Page 323: ...nds The slave pointer will also be reset when switching the controller off 6 3 Setpoint boost for the combi storage tank KoSp 1 3 Prevents cold water from entering the combi storage tank Ensures stratification in the storage tank In the case of combi storage tanks with no diverting valve KoSp1 3 the lower part of the storage tank cannot be charged independently like with combi storage tanks using ...

Page 324: ...hen there is no more demand for heat Economical operation is thus ensured throughout the year since manual switching off during intermediate seasons is no longer required The automatic 24 hour heating limit does not function in continuous operation When the automatic 24 hour heating limit is active the display shows ECO 6 5 1 Without room influence If no room unit is connected the room temperature...

Page 325: ...re the values of the flow temperature setpoint and the current room temperature setpoint If the flow temperature setpoint corrected by the room influence falls below the room temperature setpoint plus a correction value the heating will be switched off Heating s switch off point 16 EXP 701 10 S 2 TRw TVwk If the flow temperature setpoint corrected by the room influence exceeds the room temperature...

Page 326: ...place e g switching times in automatic mode Quick setback is terminated as soon as the actual room temperature reaches the level of the respective room temperature setpoint TRx TRw TRx Actual value of the room temperature TRw Room temperature setpoint H Quick setback When the room temperature setpoint changes the heating circuit pump will be switched off until the quick setback process is terminat...

Page 327: ...urve until the maximum flow temperature is reached maximum temperature differential of flow and return Variant 1 Speed according to the operational level With variant 1 the reduced speed is only used in reduced operation In that case the heating curve will not be raised This means that the demand for heat in reduced oper ation will possibly not be covered if the heating curve is correctly adjusted...

Page 328: ... speed nred TVMax 70 C Range 1 Range 2 Heating curve TV at maximum pump speed nmax TRL at nmax TRL at nred C B A Maximum pump speed Mean radiator temperature 2392Z43en Figure 1 Progression of pump speed flow temperature TV and TRL versus the outside temperature example Notes on the example shown in Figure 1 The heating system is designed such that it reaches its maximum capacity at an outside temp...

Page 329: ...ed from the reduced speed to the maximum speed To define the rate at which the pump speed shall be increased the radiators power factor is to be set The power factor defines the ratio of radiator output at the reduced pump speed nred and radiator output at the maximum pump speed speed pump imum max at output Radiator speed pump reduced at output Radiator LF This factor is fixed at 85 If the plant ...

Page 330: ... freezing In addition to the frost protection modes described here frost protection for the room TRF and frost protection for the plant whose parameters can be individually set are also active For details refer to the descriptions on operating lines 28 and 180EXP 6 9 1 For the BMU modulating The frost protection function for modulating gas fired boilers is integrated in the BMUs For details refer ...

Page 331: ...ic immersion heater if fitted ZuFu5 operating lines 146 and 172 If there is no electric immersion heater either the heat demand signal will be sent to a controllable heat source oil or gas fired boiler If then If the actual value of the d h w temperature at the coldest sen sor falls below the value given below For oil gas fired boiler TBWx 5 C For electric immersion heater transfer pump TBWx 7 C t...

Page 332: ...d for heat is delivered to the electric immer sion heater or otherwise to a controllable heat source oil or gas fired boiler If then The buffer storage tank temperature at the coldest sensor falls below 7 C TPx 7 C the frost protection func tion for the buffer storage tank becomes active The buffer storage tank temperature at the coldest sensor rises to at least 10 C TPx 10 C the frost protection ...

Page 333: ...g Technologies Basic Documentation RVP540 RVP550 CE1P2488en HVAC Products Dimensions 04 11 2009 7 Dimensions 19 26 26 26 26 15 96 144 106 8 12 93 max 3 2488M01 60 4 14 56 112 4 5 138 1 0 92 1 0 2488M01 Room unit Panel cutout ...

Page 334: ...environment Operation to IEC 721 3 3 class 3M2 Storage to IEC 721 3 1 class 1M2 Transport to IEC 721 3 2 class 2M2 To EN 60 730 par 11 4 1b Voltage range AC 24 230 V Nominal current Q101 AC 0 02 2 2 A Nominal current Q102 Q110 AC 0 02 1 1 A Nominal current ignition transformer max 1 A during max 30 s Switch on current ignition transformer max 10 A during max 10 ms To sensors and external contacts ...

Page 335: ...t E1 input voltage range AC 0 230 10 V identification input passive Uein AC 10 V or input no voltage identification input active Uein AC 100 V input resistance purely 100 kΩ galvanic separation optocoupler PWM output P1 signal frequency f 2 4 kHz output voltage Vout_high 11 5 13 V with no load Vout_low 0 5 V output resistance Rout 1300 Ω degree of modulation g 3 97 output is short circuit proof An...

Page 336: ...ntifreeze agent concentration 157 assignment heat exchanger sensor 143 assignment of d h w heating 240 Attenuated outside temperature 218 automatic 24 hour heating limit 324 automatic adaption 225 Automatic d h w push 247 automatic heat generation lock 189 automatic heat transfer from the buffer to the d h w storage tank 204 automatic operation 285 Automatic operation 56 automatic switch on attemp...

Page 337: ...ndby switch 258 changeover stage sequence 306 Changeover startup delay time 297 changeover of stage sequence 306 changeover temperature heating circuit 71 changeover to d h w heating with electric immersion heater 248 charging pump 121 charging time 243 charging time limitation with d h w 248 Chimney sweep 79 circulating pump program selection 239 circulating pump d h w 95 circulating pump operati...

Page 338: ...7 delayed switching on of lag heat source 211 demand for heat 262 Description of the EXP settings 277 device operating hours 321 diagnosis 209 Diagnosis 234 diagram identification numbers parts 1 2 3 and 4 127 difference between the maximum storage tank temperature and the buffer storage tank safety temperature 196 difference between the maximum storage tank temperature and the d h w storage tank ...

Page 339: ...r pulse value 158 flow temperature maximum limitation of the setpoint 224 minimum limitation of the setpoint 223 setpoint boost d h w 243 flow temperature setpoint 322 for the heat pump 175 flue gas condensation 286 flue gas temperature actual value 132 maximum value 132 133 flue gas temperature sensor 102 flue gas temperature sensor function switch off temperature 134 switch on temperature 133 fo...

Page 340: ...ng 210 priority 210 heat source sequence 210 heat source strategy for d h w heating 215 heat transfer temperature differential OFF 205 temperature differential ON 205 heat transfer strategy summer winter 204 heat transfer with the d h w sensor 204 heating circuit actual value of the flow temperature 217 flow temperature setpoint 217 frost protection 331 heat demand 190 locking signal gain 229 oper...

Page 341: ...the consumers 289 manual heating operation 62 manual d h w push 57 manual operation 59 master 258 260 maximum buffer storage tank charging temperature 189 d h w storage tank charging temperature 203 forward shift of optimum start control 227 forward shift of optimum stop control 228 storage tank charging time 296 swimming pool charging temperature 148 switch off temperature HP 301 waiting time 297...

Page 342: ...n of contact H1 267 operating action of the return diversion 193 operating action of voltage signal E1 270 operating hours heat pump stage 1 177 heat pump stage 2 177 of the device 321 pump of the wood fired boiler 164 wood fired boiler 164 operating mode d h w 57 green 61 heating circuit 55 manual operation 59 operating procedure 29 operation 28 operational faults 53 operational feedback signal H...

Page 343: ... priority 1 195 206 Priority 1 207 priority 2 195 priority of d h w charging 246 priority of d h w storage tank cooling with overtemperature protection output K11 209 priority of d h w storage tank cooling with the collector pump 208 priority of d h w storage tank cooling with the heat transfer pump 208 priority with 2 heat exchangers 154 product liability 20 program selection circulating pump 239...

Page 344: ...al heat function 171 directly fot he consumers 173 once several times 172 with buffer storage tank stratification protection 172 Restriction of consumers 292 restriction of mixing valve from d h w priority 244 return diversion 90 temperature differential OFF 192 temperature differential ON 192 return temperature actual value 136 actual value B73 186 actual value wood 163 lowering 91 193 minimum li...

Page 345: ...lues 75 Standby 56 285 standby switch 258 start and end of the holiday period 76 starting of lift of reduced room temperature setpoint 230 storage tank partial charging 92 priority 169 transfer pump 94 storage tank charging time maximum 296 storage tank priority 154 storage tank sensor for the return diversion 193 summer winter changeover temperature 71 summer wintertime 261 summer wintertime chan...

Page 346: ...r energy 80 TPmin 188 transfer pump storage tank 94 TRw 217 TVHw 266 TVmax 224 TVmin 223 TVw 217 TVx 217 type of antifreeze agent added 157 type of building construction 224 type of d h w demand 242 U UEM 308 use of outside temperature 87 Ux 272 275 V valve kick 330 voltage output signal logic Ux 275 volumetric flow solar pump 158 W waiting time 297 Wall mounting 21 water brine pump 302 additional...

Page 347: ...ion RVP540 RVP550 CE1P2488en HVAC Products 18 10 2002 ZuFu11 103 ZuFu12 104 ZuFu13 105 ZuFu14 106 107 ZuFu15 107 ZuFu16 108 ZuFu2 92 114 ZuFu23 109 ZuFu24 110 ZuFu25 112 ZuFu26 113 ZuFu28 116 ZuFu3 94 ZuFu4 95 ZuFu5 96 ZuFu6 97 ZuFu7 98 ZuFu8 99 ZuFu9 100 ...

Page 348: ...ation RVP540 RVP550 CE1P2488en HVAC Products 18 10 2002 Siemens Building Technologies Ltd HVAC Products Gubelstrasse 22 CH 6301 Zug Tel 41 41 724 24 24 Fax 41 41 724 35 22 www landisstaefa com 2002 Siemens Building Technologies Ltd Subject to alteration ...

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