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Samson 5476 User's Manual

1. Hysteresis FB10 AUS 1 t0 30 C Max system deviation FB11 ON 2 to 10 C Max system deviation FB12 ON 2 to ORG Proportional gain Kp FB17 ON 0 1 to 50 Reset time Ty FB17 ON 1 to 999 s Valve transit time Ty FB17 ON 15 to 240 s Hysteresis FB17 OFF 3056 Limiting factor FB20 ON 0 1 t0 10 Limiting factor FB21 ON 0 1 t0 10 Maximum limit FB22 OFF and FB23 ON 3 to 500 Limiting factor FB22 OFF and FB23 ON 0 1 to 10 Maximum limit for DHW FB22 OFF and FB23 ON 3 to 500 7f Limiting factor FB22 OFF and FB23 ON 0 1 t0 10 Upper measuring range FB22 FB23 ON 0 1 to 650 Minimum limit FB22 FB23 ON 0 1 to 650 4 Maximum limit FB22 FB23 ON 0 1 to 650 4 Meter bus address WMZ 1 FB29 ON O to 255 Meter bus address WMZ 2 FB29 ON O to 255 Meter bus address WMZ 3 FB29 ON O to 255 Model code WMZ 1 FB29 ON Model code WMZ 2 FB29 ON Wu s Model code WMZ 3 FB29 ON Reading mode WMZ 1 FB29 ON Reading mode WMZ 2 FB29 ON Reading mode WMZ 3 FB29 ON 24h CONT CoiL Maximum limit FB30 ON 0 01 to 650 Maximum limit for heating FB30 ON 0 01 to 650 Maximum limit for DHW FB30 ON 0 01 to 650 Minimum limit FB30 ON 0 01 to 650 Limiting factor 0 1 to 10 EB 5476 101 Appendix Function block parameters
2. 44 OT deactivation value in reduced operation 44 Summer mode bos e ee ee fed 44 Delayed outdoor temperature 45 Remote 45 Ophmizati hios x ae kp a TR 46 Flash adaptation 47 Adaptation mn see rennen nen 47 5476 EN 3 Contents 7 10 1 7 10 2 7 11 7 12 8 1 8 2 8 3 8 4 4 EB 5476 EN Pump management 2 48 Potentiometer input s 48 Functions of the DHW circuit 49 DHW heating in the storage tank system 2 2 2 2 2222 49 DHW heating in the storage tank charging system 51 DHW heating with solar system Anl 2 3 4 5und9 53 DHW heating in instantaneous heating system Anl 6 53 Circulation pump operation during storage tank charging 54 Circulation over the heat exchanger 54 Intermediate heating operation Anl 2 3and9 54 Parallel pump operation Anl 2 3 9 54 Priority circuit Anl 4 5 6 7 8 11 55 Reverse control 55 Set back operation 55 Forced charging of the DHW storage tank Anl 2 3 5 7 8 9 56 Thermal disinfection of the DHW storage tank 56 System wide functions 2 57 A
3. 5257 5 3 1 2 af adi GND CP EE 3015410 System Anl 8 WMZ wmz 15 9 116 BEI 14 21 17 13 CST VES 71 Potentiometer 1 18 BAI 2I CXQr 1 4110 2k RKI_3Pkt x DA BEA 11 HSJ SE2 4 1 Free RKI DE Pl ad BES 10 CXJ SF 2 For 0 to 20 mA 11 121 6 9 PSH VE2 50 Q connected in RK2_3Pkt 22 8 HESHR FI Parallel 0 5 0 Ve 7 DS AF2 11 24 Bes 6 2 5 5 5 vF M ZB 4 Option 2715 6 zB 3 Type 5244 SLP L1 28 BAZ Ey 5257 5 3 1 2 HD TL GND 7 ea SS 5476 EN 79 Electrical connection System Anl 9 WMZ wmz 15 o 1 16 4 17 13 29 1 Tasa Ing 2 AL _RKI_3Pkt ex 8 m BEA l1 295 52 RK1_2Pkt ok a SFI Free BA2 BES IOHA SFI 2 For 01620 mA ee BE6 9 CXC VF2 Q connected in RK2_3Pkt ex BE7 8 HS R F1 parallel RK2_2Pkt pe Een 7 US AF
4. X bd lt bd k Switch to the parameter level Display shows Time blinks Switch to the configuration level Display shows Currently valid system code number p gt blink Select a function block e g FB20 protected by the key number Open the function block 0 0 0 0 0 appears on the display Set 01995 as the key number Confirm the key number Display shows 00100 Enter current key number Confirm current key number Set new key number between 00100 and 01900 Confirm new key number This new key number is now the active key number 5476 EN 63 Operational faults 8 Operational faults Malfunctions or faults are indicated by the icon blinking on the display y g play 8 1 Sensor failure The following list explains how the controller responds to the failure of the different sensors Safety functions such as frost protection and excess temperature protection no longer work when a sensor fails Outdoor sensor AF When the outdoor sensor fails the controller uses a flow temperature set point of 50 C or the Max flow temperature when the Max flow temperature is smaller than 50 C Flow sensor in heating circuit VF1 VF2 When the flow sensor is defective the controller continues to work with the associated valve in the 30 valve position DHW heating which uses such a sensor to measure the charging temperature is interrupted In systems Anl 4 5 6 and 11
5. FB13 OFF Without RF FB20 ON With RUF1 FB14 ON With SF1 FB15 ON select CF With SF2 FB21 OFF Without RUF2 5476 EN 33 Systems System Anl 6 ww J gt lt au RK2 UP ZP AF RKI VF1 RF TWF BE BA AE RK e Default settings FB13 OFF Without RF FB20 ON With R F1 34 EB 5476 EN System Anl 7 Systems RK2 VF2 RKI SLP SFI AF R F1 UPI VFI RF ZP BE BA AE e e RK e Default settings FB13 OFF Without RF FB20 ON With R F1 FB14 ON With SFI FB15 OFF Without SF2 EB 5476 EN 35 Systems System Anl 8 AF BE BA AE e RK e Default settings FB13 OFF Without RF FB20 ON With R F1 FB14 ON With SF1 FB15 ON With SF2 FB27 OFF Without VF3 36 5476 EN System Anl 9 Systems RKI VF1 RK2 R F1 UP2 BE BA AE RK e VF2 Default settings FB13 OFF Without RF FB20 ON With RUF1 FB14 ON With SF1 FB15 OFF Without SF2 5476 EN 37 Systems System Anl 9 setting different from default setting With solar sys
6. 18 Gradient flow 0 2 to 3 2 1 8 012345478 9 10111213 1415 16 17 18 19 2021 22 23 24 00 2 Level flow 30 to 30 C 0 C 012345478 9 10111213 1415 16 17 18 19 2021 22 23 24 4 point characteristic DK Press key to set parameters outdoor temperature points 1 to 4 flow temperature points 1 to 4 return flow temperature points 1 to 4 flow rate points 1 to 4 capacity points to 4 012345678 9101213141516 17 18 19 2021 22 23 24 a 0 sp E A 4 point characteristic outdoor temperature Outdoor temperatures of the points 2 3 4 are marked by squares below the numbers 2 3 4 30 to 20 C point 1 15 C point 2 5 C point 3 5 C point 4 15 C 5476 EN 87 Appendix Parameter designation Display Range of values default values 012345678 9101121311516 17 18 19 20 21 22 23 24 4 point characteristic flow temperature Flow temperatures of points 2 3 4 are marked squares j below the numbers 2 3 4 Ee 20 to 130 C point 1 70 C point 2 55 C point 3 40 C point 4 25 C 012345478 9101121341516 17 18 19 20 21 22 23 24 a 4 point characteristic return flow temperature m b ol Return flow temperatures of the points 2 3 4 are marked by squares below the numb
7. 62 M Manual operation 8 22 Memory module 74 Meter bus interface 70 Mode selector switch DAW circuit 7 Heating circuit 7 Modem dialing pause 69 Modem redialing attempts number of 70 Modem time out 70 N Nighimode 8 On off 60 Operating elements Index Operating level 10 Operating modes 8 Operational faults 64 65 46 OT deactivation value in reduced 44 OT deactivation value rated operation 44 Outdoor temp adaptation delayed A5 Overvoltage protection 76 p Parallel pump operation 54 Parameter level 19 Parameter list 87 Parameters 19 Potentiometer input 48 Priority circuit specter asas si Can 55 Public holidays 14 Pulse input using pulse 61 Pump management 48 64 R Rated operation 7 8 Reduced 8 Release control circuit over the binary input 60 Remote 45 Reset 6 Resistance values
8. 74 Installation ooo oe 74 Electrical connection Con 77 Appendix 82 Function 82 Parameter list 2 22 2 oo on 88 Sensor resistance tables ooo e 99 Technical data 100 101 Most frequently used 105 E 108 5476 EN 5 Operation Operation The controller is ready for use with the temperatures and operating schedules preset by the manufacturer On start up the current time and date need to be set at the controller gt section 1 5 1 1 Operating elements The operating controls are located in the front panel of the controller and protected by a Plexi glas door 1 1 1 Operating keys 6 gt e gt O EB 5476 EN Changeover key gt Fig 11 on page 112 Press to switch between operating level and configuration level and from configuration level to the parameter level Reset key Press to reset accessible parameters to their default settings the controller must be in the parameter level Arrow keys gt Fig 11 on page 112 To scroll within levels To change values To switch from the parameter level into the configuration level press both arrow keys simultaneously Enter key To access levels Access parameters and functions to edit them Confirm settings Di
9. 98 Return flow temperature limitation 57 Reverse control 55 Room panel 1000 45 secus Kua oea asw Ta 45 Room sensor 45 Room sensors Pr 000 ie 45 PIC gi Mantis HD 45 EB 5476 EN 109 Index S Sensor calibration 20 Sensor failure 64 Set back operation priority through 55 STAUB an nee be qaya aaye aa 17 21 Station address 69 Summer 44 Summer time winter time changeover 57 System code number 17 Description 23 39 T Temperature monitoring 65 Temperature set 16 Thermal disinfection 56 110 EB 5476 EN Three step control 59 I P 11 Times of use Sellihic os torba ku rer ERSTE 12 U Unauthorized access occurred 67 Underfloor heoting 43 V Vacation sse e seen 15 Vacation periods 15 w Weather compensated control 40 5476 EN 111 00 00 EB Temperatures Nor eating Operating level Time schedule refer to section 1 for Time schedule DHW operation Heating Temperatures Public holida
10. 5 21 ON Return flow sensor R F2 activated Function block parameter Limiting factor 0 1 to 10 1 Selection with system Anl 5 SLP thermometer and heat exchanger icons switched on de pending on return flow temperature or SLP switched on irrele vant of return flow temperature Setting only possible after entering key number EB 5476 EN 83 Appendix FB Function WE Anl Comments 22 Current input for OFF All FB22 ON Current input active flow rate Select 0 0 to 20 mA signal feedforwarding measurement 4 4 to 20 mA signal feedforwarding 50 0 resistor must be connected to terminals 15 and GND terminals 1 2 in parallel to the current signal FB22 OFF Pulse input active Setting only possible after entering key number 23 Flow rate or OFF All FB23 ON and FB22 OFF Limitation with pulse input capacity limitation Function block parameters Max limit value 3 to 500 pulse h 500 pulse h Limiting factor 0 1 to 10 1 Max limit value for DHW 3 to 500 pulse h 500 pulse h Limiting factor 0 1 to 10 1 FB23 ON and FB22 ON Limitation with current input Function block parameters Upper measuring range 0 01 to 650 m h 10 00 m3 h Min limit value 0 01 to 650 m h 0 01 m h Max limit value 0 01 to 650 m h 9 m h Setting only possible after entering key number The following function blocks are in the second level 24 Potentiometer in
11. As a result the call to the configured control system is triggered Bit D15 is deleted as soon as the error status register has been read by the control system and the con nection has been terminated In special cases the Lock dial up function can be selected to stop dial up in case an error oc curs Using the Dial up also upon corrected error function the controller additionally informs the building control station when a previously signaled error no longer persists EB 5476 EN 67 Communication Functions WE Configuration Modem operation OFF 4 ON 8bit 8 bit 16 bit 30 min Cydlical initialization In O to 255 min 5 Dialing pause to PA 0 to 255 min 5 min Modem timeout to 0 to 99 min PULS Dial procedure PULS ton Phone no of control station GLT Alternative recipient OFF 46 5 Number of dialing attempts An 0 to 99 Phone number of alternative recipient Lock dial up OFF 35 Dial up also upon corrected error OFF 45 Parameters WE Range of values Station address ST NO 255 1 to 247 8 bit 1 to 999 16 bit Baud rate BAUD 9600 150 to 9600 Section 9 3 Description of communication parameters to be adjusted GND TD DTR DCD RD RTS TA RBRA ik Wm Fig Z Pin assignment of RS 232 port left and RS 485 port right 9 2 Controller with serial RS 485 interface A constant bus connection is requi
12. C 45 C With systems Anl 2 3 5 7 8 9 and 11 with two storage tank sensors SF1 and SF2 or in systems with solar circuit 94 5476 EN Display Appendix Parameter designation Range of values default values 012345678 9 10111213 1415 16 17 18 19 2021 22 23 24 DHW heating OFF 20 to 90 C 50 C With systems Anl 2 3 5 7 8 9 and 11 with two storage tank sensors SF1 and SF2 a 012345478 9 10111213 141516 17 18 19 20 21 22 23 24 550 pese DHW set point 20 to 90 C 55 C Anl 4 Anl 6 012345478 9 10111213 1415 16 17 18 19 2021 22 22 24 Charging temperature N 4 GEH 2010 90 C 185 C po cU 012345678 9 10111213 1415 16 17 18 19 20 21 22 23 24 End chorging process x x 530 2010 90 53 C STOP 4 Return flow limitation temperature during DHW heating 550 20 to 90 65 C Can only be set after entering the key number 5476 EN 95 Appendix Display Parameter designation Range of values default values 012345478 9 10 1213 141516 17 18 19 20 21 22 23 24 leii N Heat exchanger inlet temperature limit 20 to 130 C 120 C e 12345678 910112131415 16 7 18 19 20 21 22 23 24 Time schedule for DHW heating section 1 6 e 12345678 9 101112131415 16 7 18 19 20 21 22 23 24 lt ons Time
13. Maximum limit 0 01 to 6000 kw 15kW Maximum limit for heating 0 1 to 6000 kw 15kW Maximum limit for DHW 0 1 to 6000 kw 1 0 Limiting factor 0 1 to 10 0 Does not need to be set on selecting At WE for WMZ2 and 3 255 Parameter WE Range of values Maximum limit for heating points 1 to 4 15kW 0 1 to 6000 kw EB 5476 EN 73 Installation Parameter WE Range of values Parameter only needs setting with FB31 ON select At 9 5 Memory module The use of a memory module accessory no 1400 7142 is particularly useful to transfer all data from one TROVIS 5476 Controller to several other TROVIS 5476 Controllers The memory module is plugged into the RJ 12 jack integrated into the front panel Once the module has been connected 76 SP is displayed If the memory module already contains data from a dif ferent TROVIS 5476 Controller press the enter key until SP 76 is displayed Pressing the enter key to confirm 76 SP causes the controller settings to be transferred to the memory module Pressing the enter key to confirm SP 76 causes the saved controller settings to be trans ferred from the memory module to the controller During the data transfer the bars on the display indicate the progress After the display stops remove the memory module from the controller 10 Installation The controller consists of the housing with the electronics and the back panel with the terminals It is
14. Range of values Maximum limit FB31 ON 0 1 to 6000 kw Maximum limit for heating FB31 ON 0 1 to 6000 kW Maximum limit for DHW FB31 ON 0 1 to 6000 kw Limiting factor 0 1 to 10 Binary input 8 in error status register FB36 ON Rising negative Binary input BE7 in error status register FB37 ON Rising negative Binary input BE6 in error status register FB38 ON Rising negative Binary input BES in error status register FB39 ON Rising negative Binary input BEA in error status register FB40 ON Rising negative Binary input BES in error status register FB41 ON Rising negative Binary input in error status register FB42 ON Rising negative Binary input BET in error status register FB43 ON Rising negative Cyclic initialization In FB44 ON 0 to 255 min Modem dialing interval PA FB44 ON 0 to 255 min Modem timeout to FB44 ON 0 to 99 min Phone number of control station Freely configurable Number of dialing attempts An FB4 ON 0 to 99 Phone number of alternative recipient FB46 ON Freely configurable Parameter settings Parameters Range of values Gradient flow 0 2 10 3 2 Level flow 30 to 30 C 4 point characteristic Point 1 Point 2 Point 3 Point 4 Outdoor temperature 30 to 20 C Flow temperature 20 to 130 C Return flow temperature 20 to 90 C Capacity 0 1
15. 0 01 to 650 m h 2 m h Max limit for DHW 0 01 to 650 m h 2 m h Min limit 0 01 to 100 m h Limiting factor 0 1 to 10 1 Parameter does not need to be set when At selected Setting only possible after entering key number 31 Capacity limitation OFF All FB31 ON Capacity limitation activated 7 Select At Outdoor temperature dependent limitation FB19 ON when At selected Fixed limitation Function block parameters Max limit 0 1 to 6000 kW 15 kW Max limit for heating 0 1 to 6000 kW 15 kW Max limit for DHW 0 1 to 6000 kW 15 kW Limiting factor 0 1 to 10 1 Parameter does not need to be set when At selected Setting only possible after entering key number 32 Circulation over OFF 5 FB32 ON Control of DHW circuit remains released after 8 heat exchanger 11 storage tank charging Setting only possible after entering key number 33 Sensor calibration ON All Cannot be deactivated 9 Setting only possible after entering key number 34 Manual level OFF All FB34 ON Locking activated 10 locking Setting only possible after entering key number 35 Lock dial up OFF All FB35 ON No dial up in case of fault 11 Setting only possible after entering key number EB5476EN 85 Appendix FB Function WE Anl Comments 36 BE8 All FB36 to 43 ON Binary input in error status register 12 Select StEIG Fault indicated by
16. Public holidays that are not assigned to a specific date should be deleted by the end of the year so that they are not carried on into the following year Deleting a public holiday Select the holiday you wish to delete in the datapoint for public holidays Confirm selection Select Pq PE Delete the public holiday 14 5476 EN Operation 1 6 2 Entering vacation periods During vacation periods the controller constantly remains in the reduced operating mode The system is monitored for frost A maximum of 10 vacation periods can be entered The vacation periods are set in the parameter level Set the function block FB ON to make the programmed vacations also apply to the DHW heating Parameter WE Range of value Vacation period Configurable as reguired Proceed as follows gt Switch to the parameter level Display Time blinks Tai V Select datapoint for vacation periods Display y gt Open datapoint for vacation periods Display START y If applicable select Activate editing mode for vacation periods F blinks Y Set start date of vacation period Confirm start date of the vacation period Display STOP V Set end of vacation period Confirm end of the vacation period To enter additional vacation periods re select between 31 12
17. The current time and date need to be set immediately after start up and after a power failure lasting longer than 24 hours The time is set in the parameter level Proceed as follows e 12345678 9 10111213 1415 16 17 18 19 20 21 22 23 24 2 Switch to the parameter level Display Time blinks gt Activate editing mode for the controller time blinks i Change controller time NP l4 Ls Confirm controller time Display Date day month Change date setting Confirm date Display Year V Change year setting P Confirm year 3 Return to the operating level Note The controller automatically returns to the operating level if the keys are left unpressed for five minutes 5476 EN 11 Operation 1 6 Setting the times of use Two times of use can be set for each day of the week If only one time of use is required the start and stop times of the second time of use must be programmed to identical times The times schedules are set for the required control circuits one after the other in the parameter level Time schedule Display Heating circuit 1 Heating circuit 2 Anl 9 underfloor heating circuit second set of parameters after datapoint for vacation mode DHW circuit Circulation pump Ga Parameters of the heating circuit WE Range of values Period day ley 1
18. limit 20 to 130 C Solar circuit pump ON 0 to 30 C Solar circuit pump OFF 058306 Solar charging OFF 20 to 90 C Station address 1 to 247 8 bit 1 to 999 16 bit Baud rate 150 to 9600 Time schedules for heating circuit and underfloor heating circuit system Anl 9 Heating circuit 1 Heating circuit 2 or underfloor heating circuit Anl 9 Start Stop 1 Start Stop 2 Start Stop 1 Start Stop 2 Monday 1 Tuesday 2 Wednesday 3 Thursday 4 Friday 5 Saturday 6 Sunday 7 Public holidays and vacations Public holidays Date Vacations Start Stop 104 EB 5476 EN Appendix Time schedules for DHW circuit and circulation pump DHW circuit Circulation pump Start Stop 1 Start Stop 2 Start Stop 1 Start Stop 2 Monday 1 Tuesday 2 Wednesday 3 Thursday 4 Friday 5 Saturday 6 Sunday 7 Frequently used abbreviations AF Outdoor sensor RF Room sensor Anl System R F Return flow sensor BA Binary output SF Storage tank sensor BE Binary input SLP Storage tank charging pump CF Solar circuit collector sensor TLP Heat exchanger charging pump CP Solar circuit pump TW TWE DHW domestic hot water heating FB Function block UP Circulation pump GLT Building control station VF Flow senso
19. the lower the switching frequency Function WE Configuration On off control for RK1 RK2 ON FB10 FB17 OFF 5 C Hysteresis 1 to 30 C 7 8 Releasing a control circuit over the binary input The release of a control circuit using the binary output only becomes effective when the respec tive control circuit is in automatic mode icon The released control circuits always work in automatic mode the deactivated control circuit be haves as if it were in frost protection mode if the outdoor temperature requires it The control cir cuit can be released via the binary input when the binary input is open BE ON Function WE Configuration Releasing a control circuit OFF 25 FErn Note The function cannot be selected in systems Anl 4 5 and 9 with solar system and in system Anl 11 with VF3 7 9 Processing of external demand in RK1 Regardless of the operating mode except form manual mode of the control circuit RK1 the controller uses the Minimum flow temperature for external demand when the binary input is closed BEI The DHW heating from the secondary circuit and demands of the heating circuit which are higher than the Minimum flow temperature for external demand have priority In systems Anl 7 and 8 a mixing control is not active just the set point of the heating circuit changes The deactivated binary input OFF does not have any effect on the control Function WE Configuration Ex
20. valve RK1 opens 0 Anl 1 2 3 on SLP TLP off UP1 on SLP TLP off off SLP TLP off ui valve RK opens valve RK1 stationary valve RK1 closes on on on Anl 4 5 6 11 valve RK1 opens valve RK1 stationary valve RK1 closes UP1 on UP1 on on Anl 7 8 valve RK2 stationary valve RK2 stationary valve RK2 stationary valve RK opens volve RK1 stotionory volve RK1 closes UP1 on SLP off UP1 on SIP off UP1 on SLP off Anl 9 valve RK2 stationary valve RK2 stationary valve RK2 stationary valve RK1 stationary valve RK1 closes DHW circuit mode selector switch system Anl 9 underfloor heating circuit 0 off SLP TLP on DHW heating inactive DHW heating inactive Anl 2 3 charging temp control Anl 4 T SLP TLP on SLP TLP on SLP TLP on nl 5 6 volve RK2 opens volve RK2 stotionory volve RK2 closes SLP TLP on SLP TLP on SLP TLP on Anl 7 8 valve RK1 stationary valve RK1 stationary valve RK1 stationary valve RK2 opens valve RK2 stationary valve RK2 closes SLP on UP2 on SLP off UP2 on SLP off Anl 9 valve RK1 stationary valve RK1 stationary valve RK1 stationary valve RK2 opens valve RK2 stationary valve RK2 closes Note In manual mode frost protection is not guaranteed gt section 7 2 22 EB5476EN Systems 4 Systems 10 hydraulic schematics are availab
21. 1 outdoor temperature input for sensor or current signal 4 0 to 20 mA 1 flow temperature sensor input Binary inputs optionally for releasing a control circuit or external demand BES configurable for storage tank thermostat Other inputs Pulse or current input for capacity or flow rate limitation Remote control to correct the room temperature and select the operating mode Alternatively potentiometer input 1 to 2 or configurable for binary alarm Outputs Control signal outputs Three step signals Load 250 V AC max 2 A min 10 mA On off signals Load 250 V AC max 2 A min 10 mA Varistor suppression 300 V Binary outputs Max 4 outputs to control pumps load 250 V AC max 2 A min 10 mA varistor suppression 300 V 2 reed relay outputs for controlling the speed of a circulation pump or for fault indication load max 24 V 100 mA Interfaces Serial RS 485 interface for connection to four wire bus protocol Modbus RTU data format 8N1or serial RS 232 C interface for connection to a modem connection over RJ 12 jack Option Meter bus interface Operating voltage 230 V AC 10 15 48 to 62 Hz Power supply failure All parameter settings and configuration data are stored in an EEPROM in the case of power failure Power consumption Approx 3 VA Temperature range Operation O to 40 C avoid long periods of heat Storage 20 to 60 C Degree and class of
22. 50 40 30 20 4 NI b 10 20 15 10 5 0 5 10 15 20 Fig 3 4 point characteristic Function WE Configuration Characteristic OFF FB19 ON Parameters WE WE Range of values Outdoor temperature point 1 19 46 19 6 20 Outdoor temperature point 2 IT She Outdoor temperature point 3 SE Se Outdoor temperature point 4 Io ISEC Flow temperature point 1 SONG 20 to 130 C Flow temperature point 2 SSE ALAC Flow temperature point 3 NAC Flow temperature point 4 23 C AOAC Return flow temperature point 1 Come 20 To ORG Return flow temperoture point 2 SORE Return flow temperature point 3 Return flow temperature point 4 20 C Set back difference points 2 3 2 SRE Oto 50 C Max flow temperature POL BOC 20 to 130 C 42 5476 EN Functions of the heating circuit Parameters WE WE Range of values Min flow temperature AT 0 20 to 130 C Default setting applies to system Anl 9 floor heating 5 2 Fixed set point control During the times of use the flow temperature can be controlled according to a fixed set point Outside the times of use this set point is reduced by the Set back difference Both Minimum flow temperature and Maximum flow temperature parameters are set to identical values Parameters WE WE Range of values Max flow temperature KOTE 5056062061606 Min flow temperature AG 0 20 to 130 C Default setting applies to
23. 7 1 5 5 6 1 2 3 4 5 6 7 with 1 7 daily 1 5 Monday to Friday 6 7 Saturday to Sunday 1 Monday 2 Tuesday 7 Sunday Start first time of use 7 00 00 00 to 24 00h in steps of 30 minutes Stop first time of use 12 00 00 00 to 24 00h in steps of 30 minutes Start second time of use 12 00 00 00 to 24 00h in steps of 30 minutes Stop second time of use 22 00 00 00 to 24 00h in steps of 30 minutes Proceed as follows D 12345678 910112131415 16 17 18 19 2021 22 23 24 Q Switch to the parameter level 4 1203 Display Time blinks 12 EB 5476 EN a 17 18 19 20 21 22 2324 1 pune l 012345479 9 1011219 141516 1718 19 2021 2 2324 mmum m mumumumum 5 100 E g Operation Select datapoint for times of use Display T Activate editing mode for times of use Display 1 7 Select period day for which the times of use are to be valid 1 7 Monday to Sunday 1 5 Monday to Friday 6 7 Saturday to Sunday 1 Monday 2 Tuesday 7 Sunday Activate editing mode for period day Display START blinks Edit start time steps of 30 minutes Confirm start time Display STOP Edit stop time steps of 30 minutes Confirm stop time Display START The second time of use is set like the first time of use To set the times of use for each
24. Activate editing mode for parameter Parameters which do not allow the editing mode to activated are protected by a key number These parameters can only be altered as long as the key number is active af ter selecting a protected function block e g FB20 gt section 2 4 Vv Change parameter Confirm parameter setting To adjust additional parameters repeat the steps in the fields highlighted in gray gt Return to the operating level Note The controller automatically returns to the operating level if the keys are left unpressed for five minutes 2 4 Enter key number Some functions are protected against unintentional or unauthorized access These functions can only be activated or deactivated after the valid key number has been entered The valid key number for initial start up can be found on page 106 To avoid unauthorized use of the key number remove the page or make the key number unreadable Proceed as follows 0 0 0 Oblinks on the display V Set valid key number _ Confirm key number When the correct key number is entered the function block to be changed blinks on the display whereas the display does not blink when an incorrect key number is entered The key number remains active for approx 5 minutes if the keys are left unpressed during this time EB 5476 EN 19 Start up 2 5 Calibrating sensors The connected sensors are calibrated in the configu
25. BE8 unswitched 8 4 Error status register The error status register is used to indicate controller or system errors In modem operation with Dial up also upon corrected fault function any change in state of the error status register causes the building control station to be dialed BITMAP error status register FSr Number Bit no in HR 0123 45 67 8 9 10 11 12 13 14 15 A set bit is indicated by on the ia as tact co ne Rp as right of number 20 21 22 23 24 25 26 27 28 29 210 211 212 213 214 215 Sensor breakage DO Default values read D 1 DHW set point not reached D2 Mode switch HK faulty D 3 Mode switch DHW faulty D 4 active 43 ON D_5 active 42 ON D 6 BE3 active 41 D7 active 40 ON D 8 BES active 39 ON D_9 BES active FB38 ON D 10 BE7 active FB37 D 11 active FB36 ON D 12 Data error alarm from WMZ D 13 Meter bus communication error D 14 Unauthorized access D 15 The binary inputs to BE8 appear in the error status register whenever the associated function block FB ON 5476 EN 65 Communication Example of a transfer to the control system The error status register is transferred as a word lt w gt in a holding register HR whose value is calculated as follows lt w D 0 D_1 D 15
26. Function WE Configuration Flow rate limitation OFF FB30 ON At 20 Maximum limit 0 01 to 650 A 2 0 Maximum limit for heating 0 01 to 650 2 0 X Maximum limit for DHW 0 01 to 650 2 0 Minimum limit 0 01 to 650 1 0 Limiting factor 0 1 to 10 0 Does not need to be set on selecting At Parameter WE Range of values Maximum limit for heating points 1 to 4 2 0 m h 0 01 to 100 m3 h Parameter only needs setting with FB30 ON select At Capacity limitation The settings which are to made for the capacity limitation are mainly contained in function block FB31 as function block parameters Only after selecting the type of limitation At for outdoor temperature dependent limitation which automatically means a 4 point characteristic four outdoor temperature dependent maximum limits for heating need to be set in the 4 point char acteristic menu After selecting set Maximum limit for the system Maximum limit for heat ing and Maximum limit for DHW Minimum limit and the Limiting factor that appear in this order The Limiting factor determines how strongly the controller responds when the limit values are ex ceeded in either direction Function WE Configuration Meter bus OFF FB29 ON 254 Meter bus address for WMZ 1 to 3 ST NO 0 to 1434 255 Cont Model code WMZ 1 to 3 1434 CAL3 APAIO SLS Reading mode WMZ 1 to 3 24h Cont Coil Capacity limitation OFF FB31 ON 15kw
27. With the setting FB26 OFF the circulation pump is switched off as soon as the storage tank charging pump is activated The circulation pump returns to operate according to the time schedule when the storage tank charging pump has been switched off again Function WE Configuration Circulation pump OFF FB26 6 6 Circulation over the heat exchanger In systems in which the DHW heating takes place in the storage tank charging system from the primary circuit Anl 5 11 it is possible to keep the control of the charging temperature even when the active storage tank charges are finished Function WE Configuration Circulation over the heat exchanger OFF FB32 ON 6 7 Intermediate heating operation Anl 2 3 and 9 With the setting FB OFF heating operation of the UP1 heating circuit is reactivated for a pe riod of 10 minutes after 20 minutes of priority heating deactivated during DHW heating Dur ing this time DHW heating is interrupted Function WE Configuration Parallel pump operation OFF FB9 OFF select 20 Note In system Anl 2 with circulation pump and switchover valve the Intermediate heating operati on function set FB ON and select US and 20 6 8 Parallel pump operation Anl 2 3 and 9 When the Parallel pump operation function is activated the circulation pump UP1 remains switched on during DHW heating unless certain operating situations occur These situations in clude for example those w
28. day repeat the instructions in the fields highlighted in gray Y Exit the datapoint for times of use 3 Return to the operating level Note Do not use the 1 7 1 5 und 6 7 menus to check the programmed times of use On opening this period the times of use are reset to their default settings Note The controller automatically returns to the operating level if the keys are left unpressed for five minutes 5476 EN 13 Operation 1 6 1 Entering public holidays On public holidays the times of use specified for Sunday apply A maximum of 20 public holi days may be entered The public holidays are set in the parameter level Set the function block FB6 ON to make the programmed public holidays also apply to the DHW heating Parameter WE Range of value Public holidays Configurable as required Proceed as follows gt Switch to the parameter level Display Time blinks Select datapoint for public holidays Display Open data point for public holidays 16 17 18 19 20 21 22 23 24 lt If applicable select Activate editing mode for public holiday blinks Edit public holiday gt Confirm public holiday To enter additional public holidays re select between 31 12 and 01 01 and repeat the steps in the fields highlighted in gray Y X Y 3 Return to the operating level Note
29. protection IP 40 according to IEC 529 and Il according to VDE 0106 Degree of contamination 2 according to VDE 0110 Overvoltage category according to VDE 0110 Humidity rating F according to VDE 40040 Noise immunity According to EN 61000 6 1 Noise emission According to EN 61000 6 3 Weight Approx 0 6 kg 5476 EN 99 Appendix 12 5 Customer data Station Operator Relevant SAMSON office System code number Function block settings 0 1 2 S 4 5 6 7 8 9 10 11 17 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 99 34 35 36 37 38 39 40 41 42 43 44 45 46 47 Function block parameter settings Function block parameters Range of values Start summer mode FB3 ON Freely configurable End summer mode FB3 ON Freely configurable Outdoor temperature limit FB3 ON 0 to 30 C Delay FB4 ON 0 2 to 6 C h Day of week FB7 ON 1 to 7 1 7 Priority in case of deviation FB8 ON 2 to 10 min Stop parallel operation in case of deviation FB9 ON 2 to 10 min Proportional gain Kp FB10 ON 0 1 to 50 Reset time FB10 ON 1 to 999 s Valve transit time Ty FB10 ON 15 to 240 s 100 EB 5476 EN Appendix Function block parameters Range of values Pump lag time FB10 ON 1 x Ty to 10x Ty
30. rising edge make contact y to FALL Fault indicated by negative edge break contact 19 44 Modem operation OFF All Select 8 6 8 bit addressing 20 16 bit 16 bit addressing FB44 ON Modem function activated Function block parameters Cyclical initialization In 0 to 255 min 30 min Intervals between dialing PA 0 to 255 min 5 min Modem timeout tg to 99 min 5 min Dialing procedure PULS ton PULS Phone number of station GLT 0 to 9 P max 23 characters Setting only possible after entering key number 45 Dial up also upon OFF All FB45 ON Dial up when faults exist remedied 21 corrected fault FB45 OFF Dial up only when faults exist Setting only possible after entering key number 46 Phone number of OFF All FB46 ON Dialing an alternative recipient 22 alternative recipient Function block parameters Number of dialing attempts An 0 to 99 5 Phone number of alternative recipient 0 to 9 P max 23 char Setting only possible after entering key number 47 Fault alarm output OFF All FB47 ON and FSr gt 0 ON 23 BA8 Pump management for UP1 no longer available Setting only possible after entering key number FB Function block WE Default setting Anl System code number 86 5476 EN 12 2 Parameter list Display Appendix Parameter designation Range of values default values 012345678 9 10111213 1415 16 17 18 19 2021 22 23 24
31. suitable for panel wall and top hat rail mounting Fig 9 To connect the wiring undo the fastening screw 1 at the front and separate the controller housing from the back of the control ler Panel mounting 1 Make a cut out of 138 x 91 mm width x height in the control panel 2 Insert the controller housing through the panel cut out and turn the two plastic clamps 2 on the front panel by 90 3 Install the electrical connections at the back of the housing as described in section 11 4 Fit the controller housing back on Wall mounting 1 If necessary bore holes with the specified dimensions in the appropriate places 2 Fasten the back panel with four screws Perform steps 3 and 4 as describe for panel mounting Top hat rail mounting 1 Fasten the spring loaded hook 4 at the bottom of the top hat rail 3 2 Slightly push the controller upwards and pull the upper hooks 5 over the top hat rail Perform steps 3 and 4 as describe for panel mounting 74 5476 EN Installation Wall mounting Panel mounting Back of the controller Top hat rail mounting Dimensions in mm W x Hx D 144x 96x 125 Fig 9 Installation N 15 62 5476 EN 75 Electrical connection 11 Electrical connection A Caution For electrical installation you are required to observe the relevant electrotechnical regulations of
32. system Anl 9 underfloor heating 5 3 Underfloor heating The system Anl 9 is designed for radiator heating in conjunction with an underfloor heating cir cuit The maximum flow temperature of the radiator circuit is only available to the underfloor heating circuit If the radiator circuit is in rated operation its flow temperature is only reduced so far to ensure that the flow temperature ofthe underfloor heating circuit does not fall below the temper ature according to the heating characteristic for the control circuit RK2 If the radiator circuit is switched off due to the outside temperature the controller still continues to regulate a flow tem perature according to the heating characteristic for the control circuit RK1 at the flow sensor VF1 despite of the deactivated circulation pump UP1 Functions such as Optimization Adaptation or Flash adaptation are only available for the ra diator circuit after regulating the temperature according to the room temperature A connected remote operation also only has an influence on the operation of the radiator circuit The summer mode causes both heating circuits to be switched off The OT deactivation value in rated operation parameter relates to both heating circuits whereas the OT deactivation value in reduced operation parameter only effects the radiator circuit 5476 43 Functions of the heating circuit 5 4 Deactivation depending on outdoor temperature 5 4 1 OT deactivation val
33. to 6000 kw Flow rate 0 01 to 100 102 EB 5476 EN Appendix Parameters Range of values Set back difference 0 to 50 C Max flow temperature 20 to 130 C Min flow temperature 20 to 130 C Set back difference 0 50 C OT deactivation value in red operation 10 to 50 C Room set point 0 to 40 C Reduced room set point 0 to 40 C Sustained temperature O to 40 C Gradient return flow 0 2 10 3 2 Level return flow 30 to 30 C Max return flow temperature 20 to 90 C Min return flow temperature 20 to 90 C OT deactivation value in rated operation 0 to 50 C Underfloor heating system Anl 9 Gradient flow 0 2 to 3 2 Level flow 30 to 30 C 4 point characteristic Point 1 Point 2 Point 3 Point 4 Outdoor temperature 30 to 20 C Flow temperature 20 to 130 C Set back difference 0 50 Max flow temperature 20 10130 C Min flow temperature 20 to 130 C Set back difference 0 to 50 C DHW heating DHW heating ON 20 to 90 C Hysteresis 0 to 30 C DHW heating OFF 20 to 90 C DHW set point 20 to 90 C Charging temperature 20 to 90 C End charging process 20 to 90 C 5476 103 Appendix Parameters Range of values Return flow limitation temperature 20 to 90 C during DHW heating Heat exchanger inlet temp
34. 0 sensors FB16 OFF PTC and Pt 100 sensors A mixture of both types of sensor is possible Control mode three step RK2 ON 89 Qn FB17 ON Three step signal control mode Function block parameters Kp proportional gain 0 1 to 50 0 5 Tn reset time 1 to 999 s Anl 5 6 60 s Anl 4 200 s Ty val transit time 15 30 to 240 s Anl 5 6 30 s Anl 4 90 s FB17 OFF On off control Function block parameter Hysteresis 1 to 30 C 5 C Outdoor temperature current input OFF All FB18 ON Current input to measure outdoor temperature activated Select 0 0 to 20 mA 20 to 50 C 4 4 to 20 mA 20 to 50 C A 50 Q resistor must be connected to terminals 7 and GND terminals 1 2 in parallel to the current signal FB18 OFF Sensor input for measuring outdoor temperature 4 point characteristic OFF FB19 ON Characteristic according to four points FB19 OFF Characteristic according to gradient 20 Return flow sensor All FB20 ON Return flow sensor activated Function block parameter Limiting factor 0 1 to 10 1 Selection with systems Anl 2 7 and 9 SLP thermometer and heat exchanger icons switched on de pending on return flow temperature or SLP switched on irrele vant of return flow temperature Setting only possible after entering key number 21 Return flow sensor R F2 OFF 4
35. 0h and 22 00h during the desired period If the mean daytime temperature exceeds the Outdoor temperature limit in summer mode on two consecutive days summer mode is activated on the following day the heating is switched off If the mean daytime temperature remains below the Outdoor temperature limit in summer mode on the next day summer mode is deactivated on the following day 44 EB 5476 EN Functions of the heating circuit Function WE Configuration Summer mode OFF 01 06 Start summer mode 01 01 to 31 12 30 09 Stop summer mode 01 01 to 31 12 18 C Outdoor temperature limit 0 to 30 C 5 5 Delayed outdoor temperature adaptation The calculated outdoor temperature is used to determine the flow temperature set point The heat response is delayed when the outdoor temperature either decreases or increases and de creases If the outdoor temperature varies by for example 12 C within a very short period of time the calculated outdoor temperature is adapted to the actual outdoor temperature in small steps Assuming a Delay of 3 C h the adaptation would take le 4h Note The delayed outdoor temperature adaptation helps avoid unnecessary overloads of central heating stations in combination with either overheated buildings occurring for example due to warm winds or temporarily insufficient heating due to the outdoor sensor being exposed to di rect sunshine Function WE Configuration Delayed outdoor t
36. 13 OFF Without RF FB20 ON With RUF 1 FB14 ON With SF1 FB15 ON select CF With SF2 FB27 OFF Without VF3 5476 EN 29 Systems System Anl 4 BE BA AE RK Default settings FB13 OFF Without RF FB20 ON With RUF1 FB21 OFF Without RUF2 30 EB 5476 EN Systems System Anl 4 setting different from default setting With solar system Solar collector RK2 VF1 RF CP SF2 SFI RK R Fl R F2 UP CF ZP AF BE BA e e e AE e e e e e e e RK e Setting different from default setting FB15 ON FB13 OFF Without RF FB15 ON With SF2 FB20 ON With R F1 FB21 OFF Without RUF2 EB 5476 EN 31 Systems System Anl 5 RK2 VFI RF VF2 SF2 SFI RK1 RuF2 SLP ZP AF BE BA e AE RK Default settings FB13 OFF Without RF FB20 ON With R F1 FB14 ON With SF1 FB15 ON select With SF2 FB21 OFF Without RUF2 32 5476 EN Systems System Anl 5 setting different from default setting With solar system BE BA AE RK Setting different from default setting FB15 ON select CF
37. 2 11124 pes 6 OGRE 5 5 PST Vr un B6 Il ZB 4 Option 27 BAG ZB 9 5244 3 sip 87 2 5257 5 m 4 ZP CP 36 1 so System Anl 11 WMZ wmz 151 o 11 416 14H55 VF3 17 BE2 13 EIT RUF2 Potentiometer 11 18 BAI 12 21 to 2k _RKI_3Pkt x 19 I BEA 11 59 52 Free 2 00 BES 1O CS SF1 For 0 to 20 1 21 BE 9 CXO VF2 50 connected in RK2 3Pkt 22 NA m 7 CO AF2 T 1 24 6 SRF Ozka 5 PST VFI 11 26 ZB 4 Option 12 re 78 3 5244 _ sip gt t 8 paz 5 Type 5257 5 3 sl GND ZP 80 5476 EN Appendix 12 Appendix 12 1 Function block list FB Function WE Anl Comments O Optimization OFF FBO ON Optimization active when FBO ON also FB13 ON 1 Adaptation OFF FB1 ON Adaptation active when FB1 ON also FB13 ON 2 Flash adaptation OFF FB2 ON Flash adaptation active when FB2 ON also FB13 ON 3 Summer mode OFF FB3 ON Summer mode active Function block parameters Start summer mode 01 01 to 31 12 01 06 End summer mode 01 01 to 31 12 30 09 Outdoor temperature limit 0 to 30 C 18 C 4 Delayed outdoor OFF FB4 ON Temperature adaptation active temperature Ab Active when outdoor temperature drops adaptation AufAb Active when outdoor temp
38. 20 100 1 8 90 16 80 14 tu Flow temperature 70 12 ta Outdoor temperature 60 19 E 0 8 0 4 40 30 02 ta 20 20 16 12 4 0 4 8 2 20 C Fig 2 Gradient characteristics Measured at the outdoor sensor Function WE Configuration Outdoor temperature Current input OFF FB18 OFF Received over 0 4 to 20 mA current input a 50 Oresistor must be connect to terminals 7 and GND terminals 2 parallel to the current signal 40 5476 EN Functions of the heating circuit Function WE Configuration Outdoor temperature Current input OFF FB18 ON 0 0 to 20 mA 20 to 50 C 4 4 to 20 mA 20 to 50 C 5 1 1 Gradient characteristic Bosically the following rule applies a decrease in the outdoor temperature causes the flow tem perature to increase By varying the Gradient and Level parameters you can adapt the charac teristic to your individual requirements Increasing Gradient results in a higher flow tempera ture decreasing Gradient in a lower flow temperature The Level parameter performs a parallel transport of the heating characteristic in an upward or downward direction Outside the times of use reduced set points are used for control Reduced flow set point Flow set point Set back difference The Max flow temperature and Min flow temperature parameters mark the upper and lower lim its of the flow temperature A separate gradient characteristic can be selected for the limitation of the r
39. 20 21 215 9 Communication Using the serial system bus interface the TROVIS 5476 Heating Controller can communicate with a building control system In combination with a suitable software for process visualization and communication a complete control system can be implemented The following communication settings are possible Operation with a dial up modem at the RS 232 C system bus interface Basically communication is only established automatically when errors occur The controller works autonomously Nevertheless the modem can dial up to the controller at any time to read data from it or otherwise influence it if necessary We recommend to use the modem connect ing cable 1400 7139 Operation with a four wire bus at the RS 485 system bus interface To establish the link between computer and bus line the signal level needs to be converted by a converter SAMSON s TROVIS 5484 Converter lt r 232C 00000 00000 TROVIS 5476 Fig Network structure The TROVIS 5476 Controller is fitted with either a RS 485 port or a RS 232 C port depending on the order The optional operation between both versions or a conversion to a different port version is not possible 66 EB 5476 EN Communication 9 1 Controller with RS 232 C port The system bus connection is located at the back of t
40. 45678 910111213141516 17 18 19 2021 2 23 24 Times of use for heating circuit m gt section 1 6 1 01234 5267 8 9 101112 13 14 15 16 17 18 19 20 21 22 23 24 Public holidays e section 1 6 1 Vacations D section 1 6 2 EB 5476 EN 91 Appendix Display Parameter designation Range of values default values System Anl 9 underfloor heating circuit 012345678 91011213 141516 17 18 19 20 21 22 23 24 08 ee Gradient flow 0 2 to 3 2 0 8 012345478 91011213 415 16 17 18 19 20 21 22 23 24 50 Level flow 30 to 30 C 5 C 0123456789 1011213141816 17 18 19 20 21 22 23 24 ps 4 point characteristic x Press key to set parameters outdoor temperature point 1 to 4 flow temperature point 1 to 4 01234546478 91011213141516 17 18 19 20 21 22 23 24 a 4 point characteristic outdoor temperature Outdoor temperatures of the points 2 3 4 are marked by squares below the numbers 2 3 4 30 to 20 C point 1 15 C point 2 5 C point 3 5 C point 4 15 C 92 5476 EN Display Appendix Parameter designation Range of values default values 012345678 9 10111213 1415 16 17 18 19 2021 22 23 24 a 500 gt N 4 point characteristic How temperature Flow temp
41. 5 29 BA10 System Anl 4 WMZ WMZ 15 0 T 11116 BEI 14 25 4 17 13 mu 7 Potentiometer L1 18 EE 12 2531 1 to 2kQ RK1_3Pkt ex 19 BEA 11 1 Free 2 GAN Fa BES 10 H S R F2 2 For 0 to 20 u BE 9 CST SFI 50 LES in RK2_3Pkt ex 22 BA3 8 op N 7 PS 2 u L 24 BES 6 4 5 EAS 5 11 26 7 4 Option 126 1 20 57 dE KL BAG 7 3 5244 28 gt 5257 5 3 1 2 FEE 7 L CP 1 78 5476 EN Systems Anl 5 to 7 Electrical connection WMZ WMZ 9 1 16 BEI BE2 H R F2 4 18 Potentiometer BE3 CS RK1_3Pkt 19 2 BEA PX S2 gem X us RES Sr SFI 2 For 0 to 20 mA um 21543 BE 9 CX VF2 TWF 0 connected in RK2_3Pkt 22 BE7 8 CS RiFI 4 paralel CS AF2 11 024 pes CXFRF AR CS VFI 1 26 12 6 ZP ZB Option 127 zB Type 5244 _ _ i 28
42. 9 Operation 1 4 Displaying data Measured values set points times of use public holidays and vacation periods as well as tem peratures of the connected sensors and their set points can be retrieved and displayed in the op erating level Proceed as follows Y Bd Select value The various datapoints appear one after the other on the display depending on the con figuration gt Fig 11 on page 112 AN Outdoor temperature Temperature at flow sensor VF in heating circuit 1 2 Temperature at return flow sensor RUF1 s temperature 7 z Temperature at flow sensor VF1 while DHW is active Temperature at flow sensor in DHW circuit VF2 VF3 r Temperature at DHW sensor VF2 J Temperature at storage tank sensors SF1 SF2 Temperature at return flow sensor in DHW circuit RUF2 Temperature at solar collector sensor CF Time schedule for heating WR Time schedule for DHW circuit k Public holidays N Vacation periods Compare the set point or limit with the actual measured temperature By pressing the enter key when the time appears on the display a status alarm of the system bus interface appears when the Modbus operation is active If the system bus interface is not used accordingly PAUSE appears on the display EB 5476 EN Operation 1 5 Setting the controller time
43. Automation System 5400 Heating and District Heating Controller TROVIS 5476 Mounting and Operating Instructions EB 5476 EN Z TROVIS Firmware version 2 3x C NEN Edition December 2004 Disclaimer of liability Disclaimer of liability We are constantly developing our products and therefore reserve the right to change the prod uct or the information contained in this document at any time without notice We do not assume any liability for the accuracy or completeness of these mounting and operating instructions Moreover we do not guarantee that the buyer can use the product for an intended purpose SAMSON rejects any liability for claims by the buyer especially claims for compensation including lost profits or any other financial loss except the damage was caused intentionally or by gross negligence If an essential term of the contract is breached by negligence SAMSON s liability is limited to the foreseeable damage Safety instructions The device may only be assembled started up or operated by trained and experienced personnel familiar with the product Proper shipping and h appropriate storage are assumed The controller has been designed for use in electrical power systems For wiring and maintenance you are required to observe the relevant safety regulations 2 EB5476EN Contents N N Q QO sN N Cont
44. In modem mode baud rate refers to the transfer speed between controller and modem The baud rate adjusted at the controller must correspond with the baud rate of the control sys tem otherwise no communication can be established Cyclical initialization In This parameter defines the period of time for a cyclical issue of the initialization command ATZ The command is not issued during dial up or when connected ATZ causes the pro file O to be copied to the active profile provided the modem parameters have been set and saved in profile O using a suitable terminal program Dialing pause to the control station PA It is recommendable to pause for approx 3 to 5 minutes between dialing up to the control sys tem to avoid a permanent overloading of the telecommunications network The Dialing pause to the control station defines the interval between 2 dialing attempts 5476 EN 69 Communication Modem time out to When the controller connects to the GLT but without addressing a Modbus data point the con nection is closed after the time specified for Modem time out has elapsed If the error status reg ister has not been read during the GLT connection the controller dials up to the GLT again after the Dialing pause to the control station PA has elapsed Number of redialing attempts An The controller tries to dial up to the control system again observing the Dialing pause to the control station in case the GLT is busy or
45. ROVIS 5476 Controller when the red jumper on the back of the controller is located pointing towards the edge of the controller Fig 8 Otherwise the meter bus module in the heat meter is supplied Furthermore the heat meter is galvanically connected with controller input side pulse and current input at terminal 15 resulting it being connected to the Modbus interface as well which can lead to the communication coming to a standstill 9 4 1 Activating the meter bus To successfully transfer data from the heat meter to the controller the heat meter must use a standardized protocol in accordance with EN 1434 3 It is not possible to make a general state ment about which specific data can be accessed in each meter For details on the different meter makes refer to the technical documentation TV SK 6311 All necessary function block parame ters to set up the communication with heat or water meters are available in function block FB 29 The meter bus address the model code and the reading mode must be specified for the heat meters WMZ1 to WMZ3 A meter bus address must be unique and correspond with the address preset in the WMZ If the preset meter bus address is unknown a single heat meter connected to the controller can be as signed the meter bus address 254 The address 255 deactivates the communication with the re spective WMZ The model code to be set for the heat meter can be found in TV SK 6311 In gen eral the default setting of 1434
46. and 01 01 and repeat the steps in the fields highlighted in gray gt Return to the operating level Note Vacation periods that are not assigned to a specific date should be deleted by the end of the year so that they are not carried on into the following year 5476 EN 15 Operation Deleting vacation periods Y Select the vacation period you wish to delete in the datapoint for vacation periods Confirm selection Y Select Pk Delete vacation period 1 7 Correcting temperature set points The room temperature for the heating circuit can be adapted to the actually valid conditions at the correction switch Slide correction switch in direction The flow temperature is increased and the room temperature becomes warmer Slide correction switch in direction The flow temperature is reduced and the room temperature becomes cooler Note The operation of the underfloor heating in system Anl 9 remains unaffected 16 5476 EN Start up 2 Start up 2 1 Setting the system code number 10 different hydraulic schematics are available Each system configuration is represented by a system code number Anl The different schematics are dealt with in section 4 Available con troller functions are described in sections 5 6 and 7 Changing the system code number resets previously adjusted function blocks to their default set tings WE Function block parameters and settin
47. arging pump ZP Circulation pump KW Cold water WW Hot water Fig 5 DHW heating in a storage tank charging system Start storage tank charging The controller begins charging the storage tank when the water temperature measured at sen sor SF1 falls below the set point DHW heating ON or the temperature adjusted at the storage tank thermostat DHW heating from the secondary circuit Anl 3 8 If the flow temperature of the system is higher than the required charging temperature the con troller tries to reduce the temperature on the heating circuit side three minutes at the maximum before the storage tank charging pump starts If heating operation is not taking place or the flow temperature in the system is lower the storage tank charging pump is switched on immedi ately If the currently measured temperature at sensor VF is reached the storage tank charging pump is switched on DHW heating from the primary circuit An 5 11 The storage tank charging pump Anl 5 or the heat exchanger charging pump Anl 11 is started immediately The controller regulates the temperature to the Charging temperature Note In systems Anl 3 8 and 11 the charging temperature in the storage tank charging circuit is re gulated over the flow sensor VF3 when it is activated on switching on the storage tank charging pump The heat exchanger inlet temperature is monitored at sensor VF1 Anl 3 or VF2 IF it reaches the Heat exchanger i
48. ating in instantaneous heating system 53 in solar system 53 in the storage tank charging system 51 in the storage tank system 49 Dial up modem 66 DIS elo AA A nenn 9 E Electrical connection 76 80 Enter key see 6 Error status register 65 Excess temperature alarm 65 External demand processing 60 F Fixed set point 43 Flash adaptation 47 Flow rate limitation using a 0 4 to 20 mA signal 62 using pulse input 61 via melerbus 71 Forced charging DHW storage tank 56 Forced charging 56 Forced operation pumps 57 Frost protection 57 Function block 15 81 G Gradient characteristic 41 H Heating characteristic 40 l Installation Panel mounting 74 Top hat rail mounting 74 Wall mounting 74 Interface Meter bus 70 RS 232 C aa win de 67 RS 485 c osos es ana 68 Intermediate heating operation 54 K Keynumber 19 cuslomized 63 entering aa aas aaa me ye 19 L Limitation using a 0 4 to 20 mA signal 62 using pulse input 61 via melerbus 71 Locking manual level
49. ber 1990 has been set the operating hours of the solar pump are dis played in extended operating level Function WE Configuration Storage tank sensor SF2 FB15 ON select CF Parameters WE Range of values Solar circuit pump ON 0 20 Solar circuit pump OFF 2 5C esc Solar charging OFF 70 C 20 to 90 C 6 4 DHW heating in instantaneous heating system Anl 6 The controller regulates the DHW outlet temperature of the heat exchanger according to the ad justed DHW temperature The circulation pump works according to the time schedule We strongly recommend to operate the circulation pump during times of use of the DHW circuit section 6 5 To keep temperature peaks caused by load changes as small as possible it is absolutely neces sary that a temperature sensor with short response times e g Type 5207 xx x Pt 1000 Sen sor to measure the DHW outlet temperature In addition an actuator with a transit time of around 20 seconds should be used Note The control parameter setting has great influence on the control accuracy in the case of DHW heating in instantaneous heating systems Parameter WE Range of values DHW temperature 55 C 20 to 90 C EB 5476 EN 53 Functions of the DHW circuit 6 5 Circulation pump operation during storage tank charging With the setting FB26 ON the circulation pump continues operation according to the pro grammed time schedule even during storage tank charging
50. can be used for most devices The meters can be read either au tomatically every 24 hours approx continuously or when the coils Modbus data points as signed to the heat meters WMZ1 to WMZ3 are overwritten with the value 1 via the system bus interface Function WE Configuration Meter bus OFF FB29 ON 254 Meter bus address for WMZ 1 to 3 ST NO 0 to 255 1434 Model code WMZ 1 to 3 1434 CAL3 APAIO SLS Cont Reading mode WMZ 1 to 3 24h Cont CoiL WE for WMZ 2 and 3 255 9 4 2 Flow rate and or capacity limitation via meter bus Similarto the flow rate limitation based on a standardized 0 4 to 20 mA signal the update rate of the measured variable flow rate and or capacity must be smaller than 5 seconds in meter bus operation to carry out a proper limitation Refer to the technical documentation TV SK 6311 EB 5476 EN 71 Installation for details on which listed heat meters fulfill this criterion and can be used for limitation pur poses In case of battery operated heat meters in particular please note that some makes react with communication intervals if they are polled too frequently Other makes could use up their bat teries too quickly The technical documentation TV SK 6311 provides more details on these matters A system with simultaneous room heating and DHW heating requires maximum energy A system with a fully charged storage tank which performs only room heating requires less energy A system
51. e tank when the water temperature measured at sen sor SF1 falls below the set point DHW heating ON or the temperature adjusted at the storage tank thermostat DHW heating from the secondary circuit An 2 7 9 If the flow temperature of the system in system Anl 9 of the radiator circuit is higher than the required charging temperature the controller tries to reduce the temperature in the heating cir cuit side for three minutes at the maximum before the storage tank charging pump starts to op erate If the flow temperature of the system is lower than the required charging temperature the charging pump first start to run when the temperature at the affected flow sensor reaches the temperature currently measured at sensor SF1 or the flow temperature could be raised at least by 10 K If heating operation is not taking place the storage tank charging pump is switched on immedi ately Note The function block setting FB20 ON provides two switching conditions for the storage tank charging pump SLP that can selected gt section 7 4 when the heating circuits are switched off 1 SLP switched on regardless of the return flow temperature 2 SLP switched on depending on the return flow temperature 5476 EN 49 Functions of the DHW circuit DHW heating from the primary circuit Anl 4 The control valve opens depending on the DHW temperature from its closed position Stop storage tank charging The controller
52. emperature adaptation OFF Ab AvfAb Delay on decreasing decreasing and increasing temperature 3 C h Delay 0 2 to 6 0 C h 5 6 Remote operation Apart from measuring the room temperoture the Type 5244 Room Sensor PTC sensor and Type 5257 5 Room Sensor Pt 1000 sensor offer the following opportunities of influencing the control process Selection of the operating mode Automatic mode Day mode Night mode Set point correction during rated operation the room temperature set point can be in creased or reduced by up to 5 C using a continuously adjustable rotary knob When the room sensor is activated the measured room temperature is displayed Nevertheless it is not used for control unless the Optimization Adaptation or Flash adaptation functions EB 5476 EN 45 Functions of the heating circuit have been activated Refer to page 78 onwards for the wiring diagrams of the room panels Functions WE Configuration Room sensor RF OFF FBI32 ON Potentiometer input 1 to 2 kQ OFF X FB24 OFF 5 7 Optimization This function requires the use of a room sensor Depending on the building characteristics the controller determines and adapts the required preheating time maximum hours to ensure that the desired Room set point rated room temperature has been reached in the reference room when the time of use starts During the preheating period the controller heats with the max flow temperature This
53. ents 6 Operating elements 222 6 Operating keys gie Vx nen oe d A ace RO 6 Operating switches 7 Operating a s aosan tt ee pini a e e e a a a e d 8 Display wesen cue a RE Ea agal EE ee eek 9 DISPlaying daka meee 2 2 10 Setting the controller time 11 Setting the times of use 12 Entering public 14 Entering vacation periods 15 Correcting temperature set points 16 sa aaa ee KO SA 17 Setting the system 17 Activating and deactivating functions 0 0 17 Changing 19 Enterkeynumber g Ka qa ee 19 Calibrating 20 Resetting to default values a ee 21 22 Systems s oe a lt w y rs 23 Functions of the heating circuit 40 Weather compensated 40 Gradient characteristic 41 A point characteristic 42 Fixed set point control 2222 2m nennen 43 Underfloor heating 43 Deactivation depending on outdoor temperature 44 OT deactivation value in rated
54. erature increases or drops Function block parameter Delay 0 2 to 6 C h 3 C h 5 Automatic summer ON FB5 ON Changeover active time winter time changeover 6 Public OFF 2 FB ON Public holiday and vacation data entered also holidays vacation to applies to DHW heating data for DHW 11 7 Thermal OFF 2 3 FB7 ON Thermal disinfection active when FB7 ON also FB14 disinfection 4 5 EXGIN 7 8 Function block parameter 9 11 Day of week 1 to 7 Mon to Sun 1 7 3 8 Priority for DHW OFF 4 5 FB8 ON Priority active circuit 6 7 Priority through set back operation In Priority through reverse control Function block parameter Activate priority in case of deviation 2 to 10 min 10 min EB 5476 EN 81 Appendix FB Function WE Anl Comments 9 Parallel pump operation OFF 20 9 9 9 ON Parallel pump operation Select Anl 2 and 9 PU Parallel pump operation US Operation with switchover valve Function block parameter on selecting US Stop parallel oper in case of deviation 2 to 10 min 10 min FB9 OFF Intermediate heating after 20 min Select FB ON US or 9 OFF 20 Intermediate heating after 20 min No intermediate heating 10 Control mode three step RK1 ON All FB10 ON Three step signal control mode Function block parameters Kp proportional gain 0 1 to 50 0 5 Ty re
55. eratures of the points 2 3 4 are marked by squares below the numbers 2 3 4 20 to 130 C point 1 50 C point 2 40 C point 3 35 C point 4 20 C 012345478 9 10111213 1415 16 17 18 19 2021 22 23 24 a sg EC 4 point characteristic set back difference Set back difference of point 3 is marked by the square below the number 3 0 to 50 C point 2 and 3 5 C 012345478 9 10111213 1415 16 17 18 19 2021 22 23 24 500 EN Max flow temperature 20 to 130 C 50 C 012345478 9 10111213 1415 16 17 18 19 2021 22 22 24 200 PE Min flow temperature 20 to 130 C 20 C 012345678 9101213141516 17 18 19 2021 22 23 24 Set back difference 0 to 50 C 5 C 5476 EN 93 Appendix Parameter designation Displa Range of values default values play g 5 5 7 Times of use for underfloor heating circuit gt section 1 6 1 DHW heating 012345 67 8 9 10111213 1415 16 17 18 19 20 21 22 23 24 DHW heating ON is 20 to 90 C 45 C 450 With systems Anl 2 3 5 7 8 9 and 11 without solar circuit with a storage tank sensor SF1 yep 2 oll 0 to 30 C 5 C 012345678 9 1011 1213 14 15 16 17 18 19 20 21 22 23 24 DHW heating ON s 20 to 90
56. ers 2 3 4 20 to 90 C point 1 65 C point 2 50 C point 3 35 C point 4 20 C 012345478 910111213 141516 17 18 19 20 21 22 23 24 a 4 point characteristic capacity P ISD i Capacity of the points 2 3 4 are marked by squares below the i numbers 2 3 4 n 0 1 to 6000 kW point 1 to 4 15 kw 012345478 91011213 1415 16 17 18 19 20 21 22 23 24 4 point characteristic How rate 200 Flow rates of the points 2 3 4 are marked by squares below the i numbers 2 3 4 Be 0 01 to 100 m h point 1 to 4 2 m h 912345678 9 10 1213 141516 17 18 19 20 21 22 23 24 4 point characteristic set back difference a cog Setback difference of point 3 is marked by the square below the number 3 L b 0 to 50 C point 2 and 3 20 C 88 5476 EN Display Appendix Parameter designation Range of values default values 012345678 9 10111213 1415 16 17 18 19 2021 22 23 24 900 PR Maximum flow temperature 20 to 130 C 90 C 012345478 9100121341516 17 18 19 2021 22 22 24 200 s Minimum flow temperoture 20 to 130 C 20 C 012345478 9 10111213 1415 16 17 18 19 2021 22 22 24 5 NGO Set back difference 0 to 50 C 15 C 012345478 9 10111213 1415 16 17 18 19 2021 22 22 24 ZEE OT deactivation value in red
57. eturn flow temperature Examples for adjusting the characteristic Old building radiator design 90 70 Gradient approx 1 8 New building radiator design 70 55 Gradient approx 1 4 New building radiator design 55 45 Gradient approx 1 0 Underfloor heating depending on arrangement Gradient smaller 0 5 Function WE Configuration Characteristics OFF FB19 OFF Parameters WE WE Range of values Gradient flow 1 8 0 8 0 2 to 3 2 Level flow ORG 5 30 to 30 C Set back difference 5 5 0 to 50 Min flow temperature 20 3 20 IC 20 to 130 C Max flow temperature LOX SOAS 20 to 130 C Default setting applies to system Anl 9 floor heating 5476 EN 41 Functions of the heating circuit 5 1 2 4 point characteristic The 4 point characteristic allows you to define your own heating characteristic It is defined by 4 points for the Outdoor temperature the Flow temperature and the Return flow temperature The Set back difference at points 2 and 3 indicates how much the flow temperature is reduced outside the times of use The Max flow temperature and Min flow temperature pa rameters mark the upper and lower limits of the flow temperature ML 100 PlioP4 Points 1 to 4 Flow temperature 80 tA Outdoor temperature 70 Minimum flow temperature 60 max Maximum flow temperature Set back characteristic
58. g a Pl algorithm The valve reacts to pulses that the controller emits when a system deviation occurs The length of the first pulse in particular de pends on the extent of the system deviation and the selected Proportional gain Kp the pulse length increases as Kp increases The pulse and pause lengths change continuously until the system deviation has been eliminated The pause length between the single pulses is greatly in fluenced by the Reset time TN the pause length increases as TN increases The Transit time Ty specifies the time required by the valve to travel through the range of 0 to 100 Functions WE Configuration Three step control for RK1 ON FB10 ON 0 5 Kp proportional gain 0 1 to 50 2005 reset time 1 to 999 s 90s valve transit time 15 to 240 s 2xTy Pump lag time 1 x Ty to 10 x Ty Three step control for RK2 ON FB17 ON 0 5 Kp proportional gain 0 1 to 50 60 s reset time 1 to 999 s 30 s valve transit time 15 to 240 s WE applies to systems Anl 5 Ty 200 s Ty 90 s applies for system Anl 4 EB 5476 EN 59 System wide functions 7 7 On off control The flow temperature can be controlled by an on off signal The controlled valve is opened when the flow temperature falls below the set point by T 0 5 x Hysteresis When the flow tem perature exceeds the set point by T 0 5 x Hysteresis the control valve is closed The greater the Hysteresis selected
59. gs in the parameter level remain unchanged The system code number is set in the configuration level Proceed as follows gt Switch to the parameter level Display shows Time blinks ws E V Switch to the configuration level p Display shows Current system code number RU Es blink ES boli editing mode for system code number Anl blinks on the display Y Set system code number Confirm system code number gt Exitthe configuration level gt Return to the operating level 2 2 Activating and deactivating functions A function is activated or deactivated in the associated function block The numbers O to 24 in the top row of the display represent the respective function block numbers When a configura tion level is opened the activated function blocks are indicated by a black square on the right hand side below the function block number The first level of the display shows the function blocks O to 23 and the second level shows the status of function blocks 24 to 47 The function blocks are described in section 12 1 EB 5476 EN 17 Start up Proceed as follows gt gt X lt E Switch to the parameter level Display shows Time blinks Switch to the configurotion level Display shows Current system code number 4 blink Select level displaying function blocks 0
60. he controller housing RJ 12 jack In this case the controller can be connected either directly to the serial interface of a PC point to point connection or to a dial up modem A dial up modem is required ifthe control ler is to be connected to the telecommunications network In this case the controller works au tonomously and can issue an alarm call to the building control station when errors occur By pressing the enter key when the time appears on the display the following status information is shown FrEE No communication but the modem is ready PAUSE Interval between dialing has not yet elapsed since the last attempt Conn Connection currently established RinG Incoming call Init Modem is initialized appears only briefly if it appears for longer period the modem has not responded with OK and ATZ gt page 70 is repeated CALL Controller dialing control EndE Connection is cut Additionally the building control station can dial the controller poll it and send it new data af ter writing to the holding register no 92 with valid key number The Alternative recipient function is used by the controller after a programmable number of di aling attempts to the building control station has been completed Note If a wrong key number has been written to holding register no 92 for the third consecutive time the controller immediately interrupts the modem connection and generates an alarm Unautho rized access occurred
61. he return flow tem perature falls The Limiting factor determines how strongly the controller responds when the limit values are exceeded in either direction 5476 EN 57 System wide functions The measured temperature reading return flow temperature and the set point reading flow temperature of the heating charging temperature blink to indicate that a return flow limitation is active in the control circuit concerned In systems Anl 2 3 7 8 and 9 the Return flow limita tion temperature parameter during DHW heating is used for limitation in the primary circuit while the DHW heating is active The systems Anl 4 5 and 11 allow a separate return flow sensor to be installed in the DHW circuit To ensure that the preset Return flow temperature limit temperature during DHW heating can be met make sure that the heating characteristic is not adjusted to ascend too steeply the speed of the circulation pumps is not set too high the heating systems have been calibrated Note For outdoor temperature dependent control with gradient characteristic the return flow tempe rature is limited to fixed set point by entering the same value for both Maximum return flow tem perature and Minimum return flow temperature parameters Functions WE Configuration Return flow sensor R F1 ON FB20 ON 1 Limiting factor 0 1 to 10 Return flow sensor R F2 OFF FB21 ON 1 Limiting factor 0 1 to 10 Parameters WE Ra
62. he time of use of the heating circuits starts 6 11 Thermal disinfection of the DHW storage tank In all systems with DHW heating the DHW storage tank is thermally disinfected on a selected day of the week or every day The storage tank is heated up to 70 C Thermal disinfection starts at 0 00h and finishes at 4 00h at the latest Thermal disinfection for preventing legionella infection causes high return flow temperatures during the disinfection cycle return flow temperature limita tion suspended high storage temperatures after thermal disinfection has been concluded lime scale possibly which can have a negative effect on heat exchanger performance Note This function is not available when a storage tank thermostat is used Function WE Configuration Thermal disinfection OFF FB7 ON 3 Mi Day of the week 1 7 daily 1 2 to 7 Mon Tue to Sun 56 5476 EN System wide functions 7 System wide functions 7 1 Automatic summer time winter time changeover The clock is automatically adjusted on the last Sunday in March at 2 00h and on the last Sunday in October at 3 00h Function WE Configuration Summer time winter time changeover ON FB5 ON 7 2 Frost protection When outdoor temperatures below 3 C occur the heating circulation pumps UP1 and UP2 are switched on The controllers regulates the temperature to a flow temperature set point of 20 C The circulation pump for the DHW circuit is likewi
63. hen the boost of the flow temperature exceeds 10 C or when the maximum flow temperature is exceeded In this case the controller applies priority operation if necessary with intermediate heating 54 5476 EN Functions of the DHW circuit Once a parallel pump operation cycle has been activated and the time for Stop parallel opera tion has elapsed system deviations greater than 5 C cause the controller to suspend parallel operation for 10 minutes and to apply priority operation Function WE Configuration Parallel pump operation OFF FB9 ON PU 10 min Stop parallel operation 2 to 10 min Note In system Anl 9 the control valve of the underfloor heating circuit is always closed with the function block setting FB OFF With the setting FB9 ON select PU to ensure it remains in control operation even the parallel operation has been interrupted due to system deviations 6 9 Priority circuit Anl 4 5 6 7 8 and 11 In many district heating systems with primary DHW heating the allotted amount of water is only intended to supply the heating system As a result the capacity required for DHW heating needs to be taken from the heating system when great heating loads occur and this until DHW heating has been concluded Nevertheless heating operation is not simply to be interrupted Only the amount of energy re quired for DHW heating is to be deducted This can be achieved by using the priority functions Reverse cont
64. le System code number Anl 1 2 3 4 5 6 7 8 9 11 Heating Outdoor temperature dependent flow temperature control with variable return flow temperature limitation Mixing control From the primary circuit From the secondary circuit in storage tank system in st tank charging system in instantaneous heating sys Mixing control Solar system possible The system Anl 9 is designed for the control q radiator in conjunction with an underfloor heating circuit The solar circuit is activated with the function block setting FB15 ON select CF Further parameters Solar circuit pump ON Solar circuit pump OFF and Solar charging OFF are available to influence the solar operated DHW heating EB 5476 EN 23 Systems System Anl 1 OH C RK1 R F1 VFI RF AF BE BA AE RK e Default settings FB13 OFF Without RF FB20 ON With 24 5476 EN System Anl 2 Systems RKI UP1 SLP ZP AF VF1 RF SF BE BA RK e Default settings FB13 OFF Without RF FB20 ON With R F1 FB14 ON With SF1 FB15 OFF Without SF2 EB 5476 EN 25 Systems System Anl 2 setting different from default se
65. nal lines installed outside buildings must have current conducting capacity and must be grounded on both sides Surge diverters must be installed at the control cabinet inlet Conneding the controller The controller is connected as illustrated in the following wiring diagrams If individual inputs for other functions e g for binary input it must be configured in the configu ration level Refer to section 2 2 for details Open the housing to connect the cables To connect the feeding cables make holes in the marked locations at the top bottom or back of the rear part of the housing and fit suitable cable glands 76 5476 EN Electrical connection Connecting the sensors Cables with a minimum cross section of 2 x 0 5 mm can be connected to the terminals at the back panel of the housing Connecting the actuators Connect cables with at least 1 5 mm suitable for damp locations to the terminals of the control ler output The direction of travel needs to be checked at start up Set slide switch to Valves must open Set slide switch to Valves must close Connecting the pumps Connect all cables with at least 1 5 mm to the terminals of the controller as illustrated in the corre sponding wiring diagram page 78 to 80 Legend for wiring plans AF Outdoor temperature sensor SLP Storage tank charging pump RF Room temperature sensor TLP Heat exchanger charging pump VF Flow temperature sensor UP Heating ci
66. nge of values Gradient return flow 11 2 OZO 9 2 Level return flow 0 C 30 to 30 C Maximum return flow temperature 65 C 201090 C Minimum return flow temperature 65 C 201090 C Return flow temperature limit temperature during 65 C 20 to 90 C DHW heating Note In systems Anl 2 5 7 and 9 The function block setting FB20 ON or FB21 ON provides two switching conditions for the storage tank charging pump SLP that can be selected when the heating circuits are switched off 1 SLP switched on regardless of the return flow temperature 2 SLP switched on depending on the return flow temperature 58 5476 EN System wide functions 7 5 Condensate accumulation control Activate the Limitation of the system deviation for OPEN signal function to start up condensate accumulation plants in particular to avoid problematic excess temperatures The controller re sponse to set point deviations which cause the primary valve to open is attenuated The control ler response to set point deviations which cause the control valve to close remains unaffected Function WE Configuration Limitation of the system deviation for OFF FBII FBI2 ON OPEN signal RK1 RK2 2 C Maximum system deviation 2 to 10 C Note The condensate accumulation control function can only be activated when no on off control has been configured i e when FB10 ON or FB17 ON 7 6 Three step control The flow temperature can be controlled usin
67. nlet temperature limit the limit is used as the basis for the set point for the follo wing heat exchanger inlet temperature control 5476 EN 51 Functions of the DHW circuit Stop storage tank charging The controller stops charging the storage tank when the water temperature in the storage tank measured at sensor SF reaches the value DHW heating ON Hysteresis In systems with two storage tank sensors the controller stops charging the storage tank when the water temper ature in the storage tank measured at sensor SF2 reaches the value DHW heating OFF In sys tems with storage tank thermostat the Hysteresis of the thermostat determines when the storage tank charging is finished DHW heating from the secondary circuit Anl 3 8 When a high flow temperature is required by the system the heat exchanger charging pump is immediately switched off If no heating is taking place or if the flow temperature demand in the system is lower the End charging process parameter applies for switching off the heat exchanger charging pump The heat exchanger charging pump is switched off at the latest after two transit time periods of the control valve 2 x Ty 15 seconds after the heat exchanger charging pump has been switched off the storage tank charging pump stops operating DHW heating from the primary circuit An 5 11 The storage tank charging pump An 5 or the heat exchanger charging pump An 11 is switched off when the tem
68. ow rate or capacity changes which occur in the system When the pulse rate reaches the current Max limit the current flow set point is reduced How strongly the controller responds is determined by the Limiting factor In systems Anl 4 to 6 and 11 the control circuit with lowest set limit in the set point is always re duced Example to determine the limit If a capacity of 30 kW is to be limited the following limit value must be set for a heat meter with an output of one pulse per kilowatt hour 30 kw 1 KWh pulse 30 pulse h EB 5476 EN 61 System wide functions Functions WE Configuration Current input for flow rate OFF FB22 OFF measurement Flow rate or capacity limitation OFF FB23 ON 500 pulse h Max limit 3 to 500 pulse h 1 0 Limiting factor 0 1 to 10 500 pulse h Max limit for DHW 3 to 500 pulse h 1 0 Limiting factor 0 1 to 10 7 10 2 Limitation using 0 4 to 20 mA signal A connected heat meter terminals GND 15 with a 50 Qresistor connected in parallel with a 0 4 to 20 mA output can be used to limit the flow rate in the system All limit values are given in the unit cubic meters per hour m3 h As a result it is necessary to se in addition to Lower measuring range value 0 or 4 mA also an Upper measuring range value flow rate at which the 20 mA signal is issued in unit m3 h When the flow rate reaches the current Maximum limit the controller switches in control circuit RK1 to flow rate cont
69. perature reaches End charging process parameter at the latest how ever two transit time periods of the DHW control valve 2 x Ty In system Anl 11 15 seconds after the heat exchanger charging pump has been switched off the storage tank charging pump stops operating Functions WE Configuration Storage tank sensor SF1 ON 14 Storage tank sensor SF2 ON FB15 Flow sensor VF3 OFF FB27 Parameters WE Range of values DHW heating ON ASS 204 CC DHW heating OFF 2015 Hysteresis ow Owo He Charging temperature e Aus WE End charging process 53 Wo 0 Heat exchanger inlet temperature limit 208066 52 5476 EN Functions of the DHW circuit 6 3 DHW heating with solar system Anl 2 3 4 5 und 9 The systems Anl 2 3 4 5 and 9 include a solar system for DHW heating In these systems the difference between the temperatures measured at storage sensor SF2 and the sensor at the so lar collector CF is determined The Solar pump ON parameter determines the minimum temper ature difference between sensors SF2 and CF required to activate the solar pump If the temper ature difference falls below the value of Solar pump OFF the solar pump is switched off Ba sically the solar pump is also switched off when the water temperature measured at sensor SF2 has reached the Solar charging OFF parameter The times of use of the DHW circuit do not have any influence on the operation of the solar sys tem After the key num
70. put OFF FB24 ON Potentiometer input connected at terminal 12 0 1 to 2 ko FB24 OFF Type 5244 or 5257 5 Room Panel connected 25 Release for OFF 1 FB25 ON Configuration of BEI 1 control external to Select FErn Release for control demand over BEI 11 bEd Demand of a minimum flow temperature Function block parameter Min flow temperature for external demand 20 to 130 C 20 C Not Anl 4 5 and 9 with solar system or Anl 11 with VF3 26 Circulation pump OFF 2 to FB26 ON Circulation pump operation acc to time schedule 2 ZP 11 FB26 OFF ZP operation switches off SLP 27 Flow sensor VF3 OFF 3 8 FB27 ON Sensor activated 3 11 28 Pump management OFF All FB28 ON BA9 not active outside times of use 4 FB28 AUS BA9 active outside times of use 84 5476 EN Appendix FB Function WE Anl Comments 29 Meter bus OFF All FB29 ON Meter bus communication activated 5 Function block parameters WMZ 1 to 3 Meter bus address 0 to 255 WMZ1 254 WMZ2 3 255 Model code 1434 CAL3 APAIO SLS 1434 Reading mode 24h Cont CoiL Cont Setting only possible after entering key number 30 Flow rate limitation OFF All FB30 ON Flow rate limitation activated 6 Select At Outdoor temperature dependent limitation FB19 ON when At selected Fixed limitation Function block parameters Max limit 0 01 to 650 m3 h 2 m h Max limit for heating
71. r KW Cold water WW Hot water RK Control circuit ZB Meter bus 5476 EN 105 Appendix Key number 1732 106 EB 5476 EN EB 5476 EN 107 Index Index A point characteristic 42 A Adaptation 47 Automatic mode 8 B Baud 69 Binary input BE 60 C Calibrating sensors 20 Capacity limitation using a 0 4 to 20 mA signal 62 using pulse input 61 via melerbus 71 Changeover 6 Characteristic 40 Circulation over the heat exchanger 54 Circulotionpump 54 Collective error cdloarm 64 Communication parameters 69 Condensate accumulation control 59 Configuration level 17 Connection Actuator isle 77 76 Pump ee nen 77 SensoF i en See ee EE 77 Control station phone number 70 Controller 11 Correction switch 7 Current input Al Customer dofa 100 Cyclical initialization 69 108 5476 EN D Day 8 Deactivation depending on outdoor temperature 44 Default values 21 Demand request for external 60 DHW he
72. ration level The following applies FB16 ON select P1000 Pt 1000 and Pt 100 sensors FB16 ON select nic NTC and Pt 100 sensors FB16 OFF PTC and Pt 100 sensors default setting The resistance values of the sensors can be found on page 98 If the temperature values displayed at the controller differ from the actual temperatures the measured values of all connected sensors can be changed or readjusted To calibrate a sensor the currently displayed sensor value must be changed such that it matches the temperature ref erence temperature measured directly at the point of measurement Perform the calibration in function block FB33 The function block FB33 always remains activated Proceed as follows gt Switch to the parameter level Display Time blinks Switch to the configuration level Display Current system code number Anl gt blink V Select function block level 24 to 47 Select function block FB33 PK Activate function block FB33 Display 00000 Enter currently valid key number Display Flow sensor measured temperature Flow sensor VF1 necessary select other sensors that you want to calibrate A Outdoor sensor AF A Room sensor RF Return flow sensor R F1 20 5476 EN Start up Return flow sensor R F2 Solar circuit collector sensor CF 4 Flow
73. rculation pump SF Storage tank sensor ZP DHW circulation pump RUF Return flow temperature sensor RK Control circuit TWF DHW sensor BE Binary input GND Grounding of input signals WMZ Heat meter connection L N Mains supply ZB Meter bus interface CF Solar circuit collector sensor CP Solar circuit pump Connections on the back of the controller showing pump management as an example BAS BA9 jl Refer to the instructions of the pump manufacturer for further 31 32 33 installation conditions 5476 EN 77 Electrical connection Systems Anl 1 to 3 WMZ 15 p AE 11 116 BEI 14 61 ln 13 CS VF3 1 18 12 PSl Polenjiomeker gaye BAL BEA 11 CXO SF2 Esse RKI 2Pk DAN 20 n BES lO CSS SF 4 2 For 0 to 20 mA wa Zia BEG 9 CS CF 71 50 Qconnected in t 122 BE7 8 CS RiFI parallel BeN 7 CS AF2 L1 124 BES 6 n ieh E 5 Leg VEI G L1 126 ZB 4 12 6 1 26 57 37 Option i 5244 31102 2 p Dpe5257
74. red data cable for the operation of the controller with serial RS 485 interface The bus line links the control units devices in an open ring At the end of the bus line the data cable is connected to the control station using an RS 485 RS 232 converter e g TROVIS 5484 The maximum range of the bus connection cable length is 1 200 meters A maximum of 32 devices can be connected to such a segment 68 EB 5476 EN Communication If you wish to use more than 32 devices in line or need to bridge greater distances make sure repeaters e g TROVIS 5482 are installed to replicate the signal With 8 bit addressing a maximum of 246 devices can be addressed and connected to a bus A Warning You are required to follow the relevant standards and regulations concerning lightning and overvoltage protection on installation Function WE Configuration Modem operation OFF FBA4 OFF 8bit 8 bit 16 bit Parameters WE Range of values Station address 255 1 to 247 8 bit 1 to 999 16 bit Baud rate 9600 150 to 9600 gt Section 9 3 Description of communication parameters to be adjusted 9 3 Description of communication parameters to be adjusted Station address ST NO This address is used to identify the controller in bus or modem mode In a system each control ler needs to be assigned a unique address Baud rate BAUD In a bus system baud rate refers to the transfer speed between control system and controller
75. rol and Set back operation 6 9 1 Reverse control The capacity demand of the heating circuit is reduced when there is a system deviation of more than 5 C in the DHW circuit This is achieved by the three step output of the DHW circuit work ing in the opposite direction compared to the heating circuit control valve The amount of time in which the priority for the DHW circuit is given is set in the Priority in case of deviation parameter Function WE Configuration Priority for OFF FB8 ON select In DHW circuit 10 min Priority in case of deviation 2 to 10 min 6 9 2 Set back operation The heating circuit is set back to reduced operation for 20 minutes when a system deviation of more than 5 C arises in the DHW circuit Its capacity demand is reduced by the value in 5476 EN 55 Functions of the DHW circuit Set back difference by set back of the current flow temperature The amount of time in which the priority for the DHW circuit is given is set in the Priority in case of deviation parameter Function WE Configuration Priority for OFF FB8 ON Ab DHW circuit 10 min Priority in case of deviation 2 to 10 min 6 10 Forced charging of the DHW storage tank Anl 2 3 5 7 8 and 9 This function is always configured when the system has ot least one storage tank sensor To provide the full room heating performance when the time of use of the heating circuits be gins existing storage tanks are charged one hour before t
76. rol with the Maximum limit acting as the set point If the flow temperature exceeds its normal set point by more than 5 C during this time the flow temperature control is started again If the flow rate falls below the set Mini mum limit the control valve of control circuit RK1 is temporarily closed The normal control op eration is started again when the flow temperature falls below its normal set point by 5 C Note In systems Anl 4 to 6 and 11 the valve of the heating circuit is affected during an active flow rate limitation Functions WE Configuration Current input for flow rate measurement OFF Flow rate or capacity limitation OFF FB22 ON select Lower measuring range FB23 ON 10 00 m3 h Upper measuring range 0 1 to 650 m h 0 01 m h Minimum limit 0 01 to 650 m3 h 9 00 m3 h Maximum limit 0 01 to 650 m3 h 7 11 Locking manual levels The number of access options to the controller can be restricted by locking the manual level When the locking is active the mode switches positioned at the manual mode do not have any effect concerning manual activation of the valves Merely reactions occur as if the mode 62 5476 EN System wide functions switches were set to Night mode or Heating circuit s deactivated or DHW heating un changed Function WE Configuration Locking manual levels OFF FB342 ON 7 12 Setting a customized key number gt gt
77. schedule for circulation pump section 1 6 STOP ee Ga 012345678 9 101112 13 1415 16 17 18 19 20 21 22 23 24 Solar circuit pump ON mer x I 01030 c 110 C 1 6 012345678 9 101 1213 14 15 16 17 18 19 20 21 22 23 24 Solar circuit pump OFF INE c EL 96 5476 EN Appendix Parameter designation Display Range of values default values 012345678 9 10111213 1415 16 17 18 19 2021 22 23 24 Solar chorging OFF EN 100 201090 c 70 c 012345678 91011213 415 16 17 18 192021 22 23 24 Station address ST NO 5 5 1 to 247 8 bit 255 ST NR to 999 16 bit 255 a 012345478 9 10111213 1415 16 17 18 19 2021 22 22 24 Baud rate BAUD 95 150 to 9600 9600 BAUD a EB 5476 EN 97 Appendix 12 3 Sensor resistance tables Resistance values with PTC resistors Type 5224 Outdoor Temperature Sensors Type 5264 and Type 5265 Flow and Return Flow Temperature Sensors Type 5264 Storage Tank Temperature Sensors c 20 10 0 10 20 25 30 40 50 60 70 80 90 100 110 120 Q 694 757 825 896 97111010 1050 1132 1219 1309 1402 1500 1601 1706 1815 11925 Type 5244 Room Sensor Sel 1 15 Bo 2 ESO Switch position terminals 1 and 2 o 679 699 720 741 762 Resis
78. se the controller is in reduced operation unless control operation is deactivated de pending on the outdoor temperature The controller switches automatically between both oper ating modes Manual operation 0 Valves and pumps can be controlled manually gt section 3 The default setting of the circulation pumps for the heating circuit is set for constant operation 8 EB 5476 EN 1 3 Display Operation During operation the display indicates the current time as well as information about the opera tion ofthe controller The times of use are represented by black squares below the row of num bers at the top of the display Icons indicate the operating status of the controller 4 9 6 7 D J 2 3 4 S 7 8 S 1071112713 141816 1Z 18 1920212223 24 1160 BLEU ea ET ER E 16 2 1m 27 IC LI LI 4 __ 5666 5 6 l 7 e 1 SLOSO ky 8 9 10 11 12 13 14 15 Automatic operation 8 Heating pump UP 14 DHW exchanger charging Day mode rated oper 9 Heating demand pump TLP Anl 9 UP2 Night mode 10 Heating valve OPEN 15 DHW valve reduced operation CLOSED OPEN CLOSED Vacation mode 11 Storage tank charging led vice underfloor Public holiday mode pump SLP T x Malfunction 12 Solar circuit pump CP Imes oruse Frost protection 13 DHW demond Fig 1 Icons The controller status can be displayed in the operating level gt section 1 4 EB 5476EN
79. se switched on Outside the DHW heating times of use the temperature in the DHW storage tank is additionally kept at 5 C provided a storage tank thermostat is not used In conjunction with a storage tank thermostat the frost pro tection function does not work outside the times of use Note The frost protection function is not activated when manual mode is selected at the mode switch 7 3 Forced operation of the pumps When the heating circuit pumps have not been activated for 24 hours forced operation of the pumps is started between 00 00h and 00 01h This is done to avoid that the pumps get stuck when they are not operated for a longer period of time The forced operation of the storage tank or heat exchanger charging pump is operated between 00 01h and 00 02h 7 4 Return flow temperature limitation The temperature difference between the flow and return flow indicates how well the energy is used the greater the difference the higher the efficiency A return flow sensor is sufficient to evaluate the temperature difference when the flow temperatures are preset The return flow tem perature can be limited either to a value depending on the outdoor temperature variable or to a fixed set point When the temperature measured at return flow sensor RUF exceeds the limit value the set point of the flow temperature flow temperature ofthe heating system charging temperature is reduced As a result the primary flow rate is reduced and t
80. sensor VF2 Storage tank sensor SF1 SF2 T Flow sensor in DHW circuit VF3 Activate editing mode for sensor Y Correct measured temperature Read the actual temperature directly from the thermometer at the point of measure ment and enter this value as the reference temperature Confirm corrected measured temperature Additional sensors are calibrated similarly gt Exit the configuration level gt Return to the operating level 2 6 Resetting to default values All parameters and function blocks from any parameter level can be reset to their default set tings WE Proceed as follows gt Reset to default settings Function blocks and parameters are reset to their default settings WE Note Resetting protected parameters to their default settings is only possible when the key number is still active The function block settings are kept Note The controller is ready for operation with its default settings You just need to set the correct date and current time EB 5476 EN 21 Manual operation 3 Manual operation Heating circuit and DHW circuit Anl 9 underfloor heating circuit can be set to manual mode at their operating mode selector switches Heating circuit mode selector switch The heating circuit can only be set to manual mode when the DHW underfloor heating circuit mode selector switch is not positioned at
81. set time 1 to 999 s 200 s Ty valve transit time 15 30 45 to 240 s 90 s Pump lag time 1 x Ty to 10 x Ty 2 x Ty FB10 OFF On off control when FB10 OFF also FB11 OFF Function block parameter Hysteresis 1 to 30 C 5 C 11 Limit deviation for OPEN signal RK1 OFF All FB11 ON only when FB10 ON Limitation active Function block parameter Max deviation 2 to 10 C 2 C 12 Limit deviation for OPEN signal RK2 OFF FB12 ON only when FB17 ON Limitation active Function block parameter Max deviation 2 to 10 C 2 C 13 Room sensor RF OFF FB13 ON Sensor remote operation activated Cannot be selected when FBO FB1 or FB2 ON when FBO FB1 and FB2 OFF the room temperature is only indicated and not used for the control 14 Storage tank sensor SF ON FB14 ON Sensor SF activated Storage tank thermostat FB14 FB15 OFF 15 Storage tank sensor SF2 ON with 8 811 15 ON Sensor SF2 activated Select Settings for plants with DHW heating in storage tank charging system with 2 storage tank sensors CF Activated for solar circuit Storage tank thermostat FB14 FB15 OFF 82 EB 5476 EN FB Function Appendix WE Anl Comments 16 Sensor selection OFF All FB16 ON select P1000 Pt 1000 and Pt 100 sensors nic NTC and Pt 10
82. splay set points in the info level Operation 1 1 2 Operating switches Heating circuit mode selector switch Automatic mode with switchover between rated operation and reduced operation or standby mode Day mode rated operation Night mode reduced operation or standby mode mE Manual operation Control valve RK1 open stationary closes in operation no reaction in switch position em Fr mM DHW circuit mode selector switch Underfloor heating circuit Anl 9 Automatic mode with deactivation of DHW heating Heating circuit s deactivated frost protection only DHW heating unchanged Manual operation Control valve RK2 open stationary closes Correction switch 0 r colder ATFlow max 4 C x Gradient of the heating characteristic 10 C for 4 point characteristic Adaptation operation only when switch position is at O Correction of flow temperature set point in times of use to become warmer EB5476EN 7 Operation 1 2 Operating modes Day mode rated operation 3 Regardless of the programmed times of use the set points relevant for rated operation are used by the controller Night mode reduced operation 2 Regardless of the programmed times of use the set points relevant for reduced operation are used by the controller Automatic mode During the programmed times of use the controller works in rated operation Outside these times of u
83. stops charging the storage tank when the water temperature in the storage tank measured at sensor SF reaches the value T DHW heating ON Hysteresis In systems with two storage tank sensors the controller stops charging the storage tank when the water temper ature in the storage tank measured at sensor SF2 reaches the value DHW heating OFF In sys tems with storage tank thermostat the Hysteresis of the thermostat determines when the storage tank charging is finished When a high flow temperature is required by the system the storage tank charging pump is im mediately switched off If no heating is taking place or if the flow temperature demand in the system is lower the End charging process parameter applies for switching off the storage tank charging pump The storage tank charging pump is switched off at the latest after two transit time periods of the control valve 2 x Ty Functions WE Configurotion Storage sensor SF1 ON FB14 Storage sensor SF2 OFF FBI5 Return flow sensor R F1 ON FB20 Parameters WE Range of values DHW heating ON AS Gee 01190868 DHW heating OFF DE 01119066 Hysteresis SG Ol 30 Chorging temperoture 55 AUS AC Stop chorging SIAC AV tie XO AC DHW temperature DANG 016 TC 50 EB 5476 EN Functions of the DHW circuit 6 2 DHW heating in the storage tank charging system SFI Storage tank sensor 1 SF2 Storage tank sensor 2 SLP Storage tank charging pump ur VE Flow sensor TLP Heat exchanger ch
84. tance values with Pt 100 resistors Suitable Pt 100 sensors include Outdoor temperature sensor Type 5225 Flow and return flow temperature sensors Type 5204 Type 5205 47 Storage tank temperature sensor Type 5205 Room temperature sensor Type 5255 30 25 20 15 10 0 5 10 Q 86 25 88 22 90 19 92 16 94 12 96 09 98 04 100 00 101 95 103 90 Sc Is 20 25 30 95 40 45 50 55 60 Q 105 85 107 79 109 73 111 67 113 61 115 54 117 74 119 40 121 32 123 24 G G9 70 75 80 85 90 95 100 105 110 125 16 127 07 128 98 130 89 132 80 134 70 136 6 138 50 140 39 142 29 cg US 120 175 130 135 140 145 150 144 17 146 06 147 94 149 82 151 70 153 58 155 45 157 31 Resistance values with Pt 1000 resistors Use the resistance values listed in the table for Pt 100 resistors and multiply them by 10 Suitable Pt 1000 sensors include Outdoor temperature sensor Type 5227 2 Flow and return flow temperature sensors Types 5207 5277 2 thermowell required and 5267 2 Storage tank temperature sensor Types 5207 5277 2 thermowell required Room temperature sensor Type 5257 1 room temperature sensor with remote control Type 5257 5 98 5476 EN Appendix 12 4 Technical data Inputs Sensor inputs 7 configurable inputs for sensors Pt 100 and PTC or Pt 100 and Pt 1000 or Pt 100 and NTC or binary alarms
85. tem NICHE Solar collector RKI VF1 RK2 UP CP SFI R F1 UP2 VF2 SIP SF2 AF BE BA e AE e e e e RK e e Setting different from default setting FB15 ON select CF FB13 2 OFF Without RF FB20 ON With RUF1 FB14 ON With SF1 FB15 ON select CF With SF2 38 5476 EN System Anl 11 Systems BE BA AE RK e Default settings FB13 OFF Without RF FB20 ON With R F1 FBl4 ON With SF1 FB15 ON With SF2 FB21 OFF Without RUF2 FB27 OFF Without VF3 EB 5476 EN 39 Functions of the heating circuit 5 Functions of the heating circuit Which controller functions are available depends on the selected system code number Anl 5 1 Weather compensated control When weather compensated control is used the flow temperature is controlled according to the outdoor temperature The heating characteristic in the controller defines the flow temperature set point as a function of the outdoor temperature gt Fig 2 The outdoor temperature required for weather compensated control is measured at the outdoor sensor or received over a current input C i 32 29 26 130 24 120 22 110
86. temperature is built up in steps of 10 C As soon as the Room set point has been reached weather compensated control is activated Depending on the room sensor the controller switches off the heating system up to two hours before the time of use ends The controller chooses the deactivation time such that the room temperature does not drop significantly below the desired value until the time of use ends It two times of use are programmed for one doy the controller monitors the Reduced room set point in the time between these times of use Outside the times of use the controller monitors the Sus tained temperature Should the temperature fall below the Sustained temperature the controller heats with the max flow temperature until the measured room temperature exceeds the ad justed value by 1 C During the preheating period DHW heating does not take place in systems with DHW circuits linked in the secondary side Note Direct sunshine can cause the room temperature to increase and thus result in the premature de activation of the heating system Function WE Configuration Optimization OFF FBO ON Parameter WE Range of values Room set point 20 C Oto 40 C Reduced room set point 17 C Oto 40 C Sustained temperature 15 C Oto 40 C 46 EB 5476 EN Functions of the heating circuit 5 8 Flash adaptation The function is only active in automatic mode Direct reactions to deviations in room temperature can be achie
87. ter WE Range of values Room set point 20 C Oto 40 C EB 5476 EN 47 Functions of the heating circuit 5 10 Pump management The Pump management function can be used for the heating circuit circulation pump UP1 The binary outputs BA8 and BA should always be used to control the operation of this pump when ever a speed controlled pump is implemented in the heating circuit switches the pump on off BA releases the speed control in rated operation or sets the pump to minimum speed oper ation during reduced operation is closed if the circulation pump is to be switched on The binary output BA9 can be config ured with function block FB28 FB28 ON BA OFF outside times of use FB28 OFF BA ON outside times of use Function WE Configuration Pump management OFF FB28 5 11 Potentiometer input Terminal 12 can be used for the connection of a potentiometer e g to indicate the valve posi tion in percent on the controller display or at the control station Function WE Configuration Potentiometer input 1 to 2 kQ OFF FB24 ON 48 5476 EN Functions of the DHW circuit 6 Functions of the DHW circuit 6 1 DHW heating in the storage tank system WW SLP Storage tank charging pump bed SFI SFI Storage sensor 1 ZP Circulation pump KW Cold water WW Hot water KW Fig 4 DHW heating in a storage tank system Start storage tank charging The controller begins charging the storag
88. ternal demand over BEI OFF FB25 ON bed 20 C Minimum flow temperature for external demand 20 to 130 C 60 EB 5476 EN System wide functions Note The function cannot be selected in systems Anl 4 5 and 9 with solar system and in system Anl 11 with VF3 7 10 Flow rate capacity limitation Flow rate capacity limitation can be implemented based on a pulse or standardized signal of 0 4 to 20 mA provided by the heat meter This only applies in plants without solar system Par ticularly when a standardized signal is applied a heat meter flow meter with high measuring accuracy is required It must be ensured that the controller is supplied with updated measured values in intervals of max 5 seconds In system Anl 1 just the maximum limit for the flow rate or capacity can be entered 7 10 1 Limitation using pulse input A connected heat meter terminals GND 15 with pulse output can be used to limit either the flow rate or the capacity in the system Two different maximum limits can be set Maximum limit Maximum limit for DHW exclusively for DHW heating All limit values are given in the unit pulses per hour pulse h As a result the controller does not distinguish between a flow rate pulse signal or a capacity pulse signal As the displayed cur rent pulse rate P pulse h is calculated depending on the interval between the received pulses it is natural that the controller cannot react immediately to all rapid fl
89. the country of use as well as the regulations of the local power suppliers Make sure all electri cal work is performed by trained and experienced personnel Notes on installing the electrical connections Install the 230 V power supply lines and the signal lines separately To increase noise immu nity observe a minimum distance of 10 cm between the lines Make sure the minimum dis tance is also observed when the lines are installed in a cabinet The lines for digital signals bus lines and analog signals sensor lines analog outputs must also be installed separately In plants with a high electromagnetic noise level we recommend to use shielded cables for the analog signal lines Ground the shield at one side either at the control cabinet inlet or outlet using the largest possible cross section Connect the central grounding point and the PE grounding conductor with a cable 2 10 mm using the shortest route Inductances in the control cabinet e g contactor coils are to be equipped with suitable in terference suppressors RC elements Control cabinet elements with high field strength e g transformers or frequency converters should be shielded with separators providing a good ground connection Overvoltage protection If signal lines are installed outside buildings or over large distances make sure appropriate surge or overvoltage protection measures are taken Such measures are indispensable for bus lines The shield of sig
90. the failure of flow sensor VF2 cause the DHW control valve to close Flow sensor in DHW circuit VF3 When the flow sensor VF3 is defective the DHW heating takes place without change in lag lead sequence Return flow sensor RUF1 RUF2 The controller continues to function without the return tem perature limitation when the return flow sensor fails Room sensor RF The controller functions using the settings for operation without room sen sor when the room sensor fails For example optimization mode switches to the reduced op eration mode Adaptation mode is interrupted The last defined heating characteristic is not changed anymore Storage tank sensor SF1 SF 2 When one of the sensors fail DHW heating no longer takes place Solar circuit sensor SF2 CF When one of the sensors fails the solar circuit pump is switched off 8 2 Collective error alarm As an alternative to the Pump management function a fault alarm can be indicated over the bi nary output BAB Should the error status register FSr indicate a fault the binary output is activated Function WE Configuration Fault alarm output BA8 OFF 47 ON 64 EB 5476 EN Operational faults 8 3 Temperature monitoring Should a deviation arise in a control circuit that is greater than 10 C for longer than 30 min utes the bit D12 is automatically set in the error status register If this function is not required configure FB36 ON select steig and leave the input
91. the function that triggered the call has not been reset by the controller After the specified number of redialing attempts have failed the controller di als the alternative recipient Phone number of control station alternative recipient Enter the phone number of the control system modem alternative recipient including the dialing code if necessary Short pauses between the numbers can be entered using P 1 second the end of the string is to be marked by The phone number may include a maximum of 23 characters Example 069 2 sec pause 4009 1 sec pause 0 0 9 P P A0 0 9 P 0 11 characters 9 4 Meter bus interface The TROVIS 5476 Heating and District Heating Controller can communicate with up to 3 heat and water meters according to EN 1434 3 A flow rate or capacity limitation is possible on the basis of the values measured at heat meter WMZ1 Details on the use of the different heat or water meters can be found in the technical documenta tion TV SK 6311 WMZ 15 5V WMZ o 7B Note I or Locate red jumper to the left with the meter bus operation using the supply voltage ZB ZB l 1 GND WMZ Fig 8 View from the back of the controller 70 EB5476 EN Communication Note A 15V DC supply voltage 15 V at terminal 15 connected to the meter bus connection terminal 3 can be used atthe WMZ connection of T
92. to 23 or Select level displaying function blocks 24 to 47 Select function block Activate editing mode for function block The function block number starts to blink IF 0 0 0 0 0 appears on the display the key number needs to be entered first Refer to section 2 4 Activate function block FB ON An activated function block is indicated by a black square below right the function block number in the top row of the controller display or Deactivate function block FB OFF Confirm setting If the function block is not closed further function block parameters can be adjusted Proceed as follows Make the desired changes and confirm If applicable the next function block parameter is displayed Confirm all parameters to exit the opened function block To adjust additional function blocks within the configuration level repeat the steps in the fields highlighted in gray 2 Exit the configuration level gt Return to the operating level Note The controller automatically returns to the operating level if the keys are left unpressed for five minutes 18 EB 5476 EN Start up 2 3 Changing parameters Depending on the set system code number and the activated functions not all parameters listed in the parameter list in the Appendix section 12 2 might be available Proceed as follows gt Switch to the parameter level Display shows Time blinks Y Select parameter
93. tting With switch valve BE BA AE RK e R F1 Setting different from default setting FB9 ON select US FB13 OFF Without RF FB20 ON With R F1 FB14 ON Wilh SF1 FB15 OFF Without SF2 26 EB 5476 EN Systems System Anl 2 setting different from default setting With solar system Solar collector RKI UPI RF CP SF2 SFI AF VF1 SLP CF ZP BE BA e AE e e e e e e RK Setting different from default setting FB15 ON select CF FB13 OFF Without RF FB20 ON With RUF1 FB14 ON With SF1 FB15 ON select CF With SF2 EB 5476 EN 27 Systems System Anl 3 R F1 VF1 TLP SLP ZP AF BE BA AE e RK e Default settings FB13 OFF Without RF FB20 ON With R F1 FBl4 ON With SF1 FB15 ON select With SF2 FB27 OFF Without VF3 28 5476 EN Systems System Anl 3 setting different from default setting With solar system Solar collector AF VF1 TLP CF SLP ZP SF BE BA AE e 6 RK Setting different from default setting FB15 ON select CF FB
94. uced operation 10 to 50 C 15 C 012345578 9101213141516 17 18 19 2021 22 23 24 200 set point 0 to 40 C 20 C EB 5476 EN 89 Appendix Display Parameter designation Range of values default values 0123454678 9101121341516 17 18 19 20 21 22 23 24 3 4 b oO Reduced room set point to 40 17 C 012345478 91011213 41516 17 18 19 20 21 22 23 24 150 An SK Sustained temperature 40 15 C 012345478 9 10111213 1415 16 17 18 19 20 21 22 23 24 Gradient of the heating characteristic return flow 0 2 to 3 2 1 2 Can only be set after entering the key number Level return flow 30 to 30 C 0 Can only be set after entering the key number 01234546478 9101121341516 17 18 19 20 21 22 23 24 650 SK Max return flow temperature 20 to 90 C 65 C Can only be set after entering the key number 90 5476 EN Display Appendix Parameter designation Range of values default values 012345678 9 10111213 1415 16 17 18 19 2021 22 23 24 650 i K UN Min return flow temperature 20 to 90 C 65 C Can only be set after entering the key number 012345478 9 10111213 1415 16 17 18 19 20 21 22 22 24 dom Bau a OT deactivation value in rated operation 0 to 50 C 22 C o 123
95. ue in rated operation If the outdoor temperature during rated operation exceeds the limit OT deactivation value in rated operation the affected heating circuit is put out of service immediately The valve is closed and the pump is switched off after a lag time When the outdoor temperature falls below this value less 0 5 C hysteresis heating operation is restarted immediately With the default settings this means that during the warm season the system is switched off at an outdoor temperature of 22 C Parameter WE Range of values OT deactivation value PAE 0105 50 C in rated operation 5 4 2 OT deactivation value in reduced operation If the outdoor temperature during reduced operation exceeds the limit OT deactivation value in reduced operation the affected heating circuit is put out of service immediately The valve is closed and the pump is switched off after a lag time When the outdoor temperature falls below this value less 0 5 C hysteresis heating operation is restarted immediately With the default settings this means that at night the system is switched off at an outdoor tem perature of 15 C to save energy Nevertheless remember that the system requires some time in the morning to heat up the building Parameter WE Range of values OT deactivation value 15 C 10 to 50 C in reduced operation 5 4 3 Summer mode Summer mode is activated depending on the mean daytime temperature measured between 7 0
96. utomatic summer time winter time changeover 22 2 2 2 2 57 Frost protection lh 57 Forced operation of pumps 222222 2 nme 57 Return flow temperature limitation 57 Condensate accumulation control 59 Three step control 59 Onok cono 4 a dac dui s Sua ee b oe 0 Releasing a control circuit over the binary input 2 222 222 60 Processing of external demand 1 60 Flow rate capacity 61 Limitation using pulse ee 61 Limitation using 0 4 to 20 mA signal 62 locking manual levels NG 62 Setting a customized key number 63 Operational faults 64 64 Collective 64 Temperature 65 Error status register e 65 Communication ox meteo RE EE 66 12 1 12 2 12 3 12 4 12 5 Contents Controller with 232 67 Controller with serial RS 485 interface 2 2 2 2 0 0002 0004 68 Description of communication parameters to be adjusted 69 Meter bus interface oos 70 Activating the meter 71 Flow rate and or capacity limitation via meter 71 Memory module ssni
97. ved using the function block set ting FB2 ON A gradient characteristic FB19 OFF must be configured Flash adaptation counteracts room temperature deviations by increasing or decreasing the level of the heating characteristic by up to 5 C The corrections are made after 10 minutes by 1 C The corrected value is indicated in the parameter level under the datapoint for Level flow Note Cooling loads such as drafts or open windows affect the control process Rooms may be temporarily overheated when the cooling load has been eliminated Functions WE Configuration Flash adaptation OFF FB2 ON Characteristic OFF 19 OFF Parameter WE Range of values Room set point 20 C Oto 40 C 5 9 Adaptation The function is only active in automatic mode The controller is capable of automatically adapting the heating characteristic to the building characteristics provided a gradient characteristic has been set FB19 OFF The reference room where the room sensor is located represents the entire building and is monitored to en sure that the Room set point is maintained When the mean measured room temperature in rated operation deviates from the adjusted set point the heating characteristic is modified ac cordingly for the following time of use The corrected value is displayed in the parameter level under Gradient flow Function WE Configuration Adaptation OF Characteristics OFF 19 OFF Parame
98. which suspends room heating during DHW heating requires less energy As a result three different maximum limit values can be specified Max limit value to determine the absolute upper limit Max limit value for heating for exclusive operation of the room heating Max limit value for DHW for exclusive operation of the DHW heating In all systems without DHW heating or without heating circuit only the Max limit value for the flow rate or capacity can be set Flow rate limitation The settings which are to made for the flow rate limitation are mainly contained in function block FB30 as function block parameters Only after selecting the type of limitation At for out door temperature dependent limitation which automatically means a 4 point characteristic four outdoor temperature dependent maximum limits for heating need to be set in the 4 point characteristic menu After selecting set Maximum limit for the system Maximum limit for heating and Maximum limit for DHW Minimum limit and the Limiting factor that appear in this order The Limiting factor determines how strongly the controller responds when the limit values are exceeded in either direction Function WE Configuration Meter bus OFF FB29 ON 254 Meter bus address for WMZ 1 to 3 ST NO O to 255 1434 Model code WMZ 1 to 1434 CAL3 515 Cont Reading mode WMZ 1 to 3 24h Cont Coil WE for WMZ2 and 3 255 72 5476 EN Appendix
99. ys PA HW and vacations 2 Current or V Modbus parameters Parameter level Data Heating refer section 2 Data DHW Anl code Nor V Configuration level refer to section 2 FBO Fig 11 Level structure of TROVIS 5476 112 EB 5476 EN SAMSON AG MESS UND REGELTECHNIK Weism llerstrBe 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 5476 EN 2007 09

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