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Samson 5179 Thermostat User Manual

1. 62 Control station phone number 80 Controller 11 Customer 130 Day 8 Default values 26 DHW heating in the storage tank charging system 54 in the storage tank system 2 138 Eb 5179 EN Display pense yen EE RARO 9 E Electrical connection 90 96 Enterkey Error archive register 70 Error status register External demand processing 85 requesting 85 F Fault alarm qa ror SNR ETE T TET ET T 74 Fixed set point control 42 Flash adaptation 48 outdoor temperature dependent 48 Flow rate limitcfion 82 Forced charging DHW storage tank 57 Forced operation pumps 59 Frost protection 59 Function block lists 97 Function block 21 FUDCHIOHS cu ue 21 G Gradient characteristic 40 H Heating characteristic 39 Holding regisfer 70 Information level 121 Installation panel mounting 88 top hat rail mounting 88 wall mounting 88 Interface Meter bus 81
2. W Exit the parameter level gt Return to the operating level 16 EB 5179 EN Operation Note 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 the datapoint for public holidays gt Confirm selection Y Select gt Delete the public holiday Note The controller automatically returns to the operating level if the keys are left unpressed for two minutes 5179 17 Operation 1 6 3 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 Parameters WE Level Range of values Vacation period for heating circuit 1 Vacation period for heating circuit 2 Vacation period for heating circuit 3 Note The programmed public holidays and vacations of any heating circuit HK1 HK2 or HK3 ap ply with the setting CoA gt Fb12 ON select 1 2 or 3 also for the DHW heating PAI Ol Ol o T12 PA2 01 01 to 31 12 01 01 to 31 12 Proceed as follows Switch to configuration and parameter level Display PA1 Select parameter level
3. STOP lt 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 every day 1 Monday 2 Tuesday 7 Sunday Activate editing mode for period day Display shows START blinks Edit start time steps of 30 minutes Confirm start time Display shows STOP Edit stop time steps of 30 minutes Confirm stop time Display shows START The second time of use is set like the first time of use To set the times of use for each day repeat the instructions in the fields highlighted in gray gt Return to the operating level Note Select End on the display Exit the parameter level Exit the datapoint for times of use Do not use the 1 7 datapoints to check the programmed times of use Otherwise 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 two minutes 14 EB 5179 EN Operation 1 6 1 Copying the times of use The times of use of heating circuit 1 2 can be copied and used for heating circuit 2 3 Copy function Parameter level Icon gt HK2 PA COPY2 HK2 HK3 PA2 COPY3 Proceed as follows Switch to configuration and parameter level Display PA1 Select parameter level Open parameter le
4. UP2 RUF2 VFT VFS SF2 SFI VF1 RF1 RKHK2 VF2 RF2 TLP ROFTW SLP ZP AF1 AF2 TI BA AE RK Default setting Col gt Fb00 OFF without Col gt Fb01 OFF without RUF1 Col gt 2 with AF1 Co2 gt Fb00 OFF without Co2 Fb01 OFF without RUF2 Co2 gt Fb02 OFF without AF2 Co4 gt FbOO with SF1 4 gt Fb01 with SF2 CoA gt 2 OFF without ROFTW CoA gt Fb03 with VFS with Co5 gt FbOO ON with VFsek Set CoA gt Fb11 ON if the instrumentation represented by the broken line is required 5179 37 Systems System Anl 10 ee gt lt gt Rag EFT m 414 g E d M RKrw VFsek RKHk1 UP2 2 2 RKrw RUFTW VFS 5 2 SFI R Fprim TLP RF2 SLP ZP AF2 ffm of ml dne fo BA AE RK Default setting Col gt Fb00 OFF without RF1 Col gt Fb01 OFF without RUF1 Col gt 2 with AF1 Co2 gt 00 OFF without RF2 Co2 Fb01 OFF without RUF2 Co2 Fb02 OFF without AF2 Co4 gt FbOO with SF1 4 gt Fb01 with SF2 Co4 gt 2 OFF without RUFTW Co4 gt Fb03 with VFS with Co5 gt Fb00 ON with VFsek Co5 Fb01 wi
5. 999995 77 m 78 K Keynumber 24 entering 24 L Level structure 141 Limitation using meter bus 82 Locking Manual level 66 LON communicqotion 84 M Manual 9 27 Modbus o sai sua qas 13 Modem dialing 79 Modem redialing attempts number of 80 Modem timeout 80 N Nighfmode 8 O On off contirol 3 Operating elements Operating modes 8 Operational faults 67 75 46 Outdoor temp adaptation delayed 45 Outdoor temperature lorwording 4 sending 8 Overvoltage protection 90 P Parameter 11515 107 Parameters 29 Index Position leedbock 5 Priority DHW heqting 56 Pump management 50 R Rated operation 7 8 Reduced operotion 8 Release control loop over the binary input 5 Remote 46 Reset 6 Resistance values 128 Return flow temperature limitation 59 Reverse
6. C Point 3 35 C Point 4 Set back difference Points 2 3 20 C 2 37 Qo E Max flow temperature 90 C 1 2 3 20to 130 C Min flow temperature 20 PAI 2 37 20r 130 G EB 5179 EN 4 Functions of the heating circuit Note The 4 point characteristic function can only be activated when the Adaptation function is not active Col 2 3 gt Fb07 OFF 5 3 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 Parameter level Range of values Max flow temperature 90 PAI 2 37 20to 130 C Min flow temperature 20 C PA 2 3 7 20 to 130 G Set back difference 20 C PAI 20320809505 5 4 Differential temperature control using variable weighting factors This function allows the return flow temperature to be taken into account in addition to the flow temperature It can only be used in heating circuits with mixing valves The difference between the flow and return flow temperature is specified using the Intended temperature difference parameter It is a measure for the energy consumption in a heating cir cuit The greater the temperature difference the larger the energy required by a heating circuit IF the actual temperature difference is not
7. Fb12 OFF and select the function block parameter FrG E 50 5179 EN Appendix 5 14 Releasing the heating circuit The release of the heating circuit in automatic mode is a default setting after the time schedule has been programmed In addition it is possible to release the heating circuit over the corre sponding potentiometer inputs When no signal exists at these inputs and the slide switch of the heating circuit is positioned to automatic mode C the heating circuit is stand by mode i e just the frost protection is active Function WE Configuration Potentiometer input for release of HK OFF Col 2 3 gt Fb12 OFF FrG E Release over binary signal potentiometer FrG A Release over time schedule with FrG A RLG Configuration as per input FREE Input freely available 5 15 Position feedback in pre control circuit A potentiometer for position feedback series resistor 1000 can be connected at terminal 27 instead of a potentiometer to shift the set point over the room sensor The actual position of the valve in the pre control circuit is issued as an external resistance value The valve position is displayed in of the travel in the operating level at the end of the control circuit data for the pre control circuit level 5 Function WE Configuration Potentiometer in pre control circuit OFF Co5 Fb16 2 ON Note The potentiometer input HK2 is not available when Co5 gt Fb16 ON is confi
8. Open parameter level 123455732 13 1415 1819 2021 222324 Select datapoint for vacation periods Display shows Open datapoint for vacation periods Display shows START If applicable select Activate editing mode for vacation periods blinks Set start date of vacation period Confirm start date of the vacation period Display shows STOP end of vacation period Pk Confirm end of the vacation period To enter additional vacation periods re select 7 between 31 12 and 01 01 and repeat the steps in the fields highlighted in gray 18 5179 EN Exit the parameter level Operation 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 Deleting vacation periods Select the vacation period you wish to delete in the datapoint for vacation periods Confirm selection Seled gt Delete vacation period Note The controller automatically returns to the operating level if the keys are left unpressed for two minutes 5179 19 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 The different schematics are dea
9. ROFTW SLP ZP BA AE RK Default setting Col gt FbOO OFF without RF1 Col gt Fb01 OFF without RUF1 Col gt Fb02 with Co4 gt Fb00 with SF1 Co4 gt Fb01 with SF2 CoA gt 2 OFF without RUFTW CoA gt with VFS with Co5 gt FbOO ON with VFsek Co5 gt Fb01 ON with R Fprim Set Co4 Fb11 ON if the instrumentation represented by the broken line is required 5179 EN 35 Systems System Anl 8 WW j p a gt Mm Y N T i zd lt gt lt a lt N ef 5 Z lt AL Pet tt RKrw VF RKuki R Fl UP2 VFT VFS SF2 SFI RKrw R Fprim UP VFI 2 R FTW SLP 7 AFI Ld BA AE RK Default setting Col FbOO OFF without RF1 Col gt Fb01 OFF without RUF1 Col gt Fb02 ON with AF1 Co4 gt Fb00 with SF1 Co4 gt Fb01 with SF2 4 gt FbO2 OFF without ROFTW 4 gt with VFS with Co5 gt FbOO ON with VFsek Co5 gt Fb01 ON with R Fprim Set CoA gt Fb11 ON if the instrumentation represented by the broken line is required 36 5179 EN Systems System Anl 9 OF At 4 AL gt pk d el LL pr gt lt RKrw VFsek RKHK1
10. Sunday Start Stop 1 00 00 to 24 00 h Sunday Start Stop 2 00 00 to 24 00 h Function block parameters Co1 Co2 Co3 Limitation factor FbO1 ON to 25 5 Advance heating time FbO5 ON O to 360 min Start summer mode Fb11 ON 01 01 to 31 12 Stop summer mode Fb11 01 01 to 31 12 Outdoor temp limit in summer mode to 30 Fb11 Kp proportional gain Fb14 15 ON 0 1 to 50 Tn reset time Fb14 15 ON 1 to 999 5 Ty derivative action time Fb14 ON O to 999 s valve transit time Fb15 ON 15 to 240 s UP lag time Fb15 ON OFF 120 to 1200 Hysteresis Fb15 OFF to 30 C Min activation time Fb15 OFF O to 600 s Min deactivation time Fb15 OFF O to 600 s Proportional gain Kp Fb18 ON Ol 299 Reset time Tn Fb18 ON 1 to 999 s 132 5179 EN Appendix Differential temperature control using to 40 C variable weighting factors Fb18 ON Function block parameters Co1 Co2 Co3 Analog value max Fb18 ON 0 to 100 Analog value min Fb18 ON O to 100 PAI Vacations Start Stop Public holidays PA2 Vacations Start Stop Public holidays PA3
11. 012 3 4 5 6 7 8 9 10 11 20 21 22 23 24 25 26 27 28 29 210 211 Operational faults Example of a transfer to the control system The error status register is transferred as a word w in a holding register HR whose value is calculated as follows lt w gt DO x 1 D1 x 2 D11 x lt 2048 gt Holding register 61 A set bit is indicated by the right of number Number Bit no in HR 01 2 3 45 6 7 8 9 10 11 12 13 14 15 Bit value Thermal disinfection DO Limit at terminal x active Limit at terminal y active D2 VFmax at DHW exchanger D3 Temperature monitoring DA D5 D D7 D8 D9 010 011 T D13 D14 015 8 6 Error alarms Error alarms can be sent over a modem either directly to the control station or over the SMS text message function to a mobile phone or to a fax Just one function Modbus SMS function or fax function can be selected at one time since the functions use the same interface The error alarms to a mobile phone and to a fax contain the number of the affected error status register FSR1 the fault as per error status register BitNo the controller ID and the bit number Bit xx EB 5179 EN 73 Operational faults 8 6 1 Sending text message in case of a fault alarm Currently text messages can only be
12. 5 5 4 5 6 ou Contents Operating 6 Operating 6 Operating switches 7 Operating modes 8 pr Za k 2 2 ee ee eee 9 10 Setting the 11 Setting the times of use 13 Copying the times of use 15 Entering public 16 Entering vacation periods 2 2 a 18 20 Setting the system 20 Activating and deactivating functions 21 Changing 23 Enter 24 Configuring 5 24 Calibrating 24 Resetting to defaultvalues 26 Manual 2 Systems 6 28 Functions of the heating circuit 38 Functioning principle 38 Weather compensated 38 Gradient characteristic 39 A point 39 Fixed set pointcontrol 4 Differential temperature control using variable weighting factors 4 Deactivation depending on outdoor temperature 42 OT deactivation value in rat
13. 56 Room panel am PPP 46 i1 T 46 Room sensors MOOG Lune soos pad aoa 46 46 Room temperature dependent control 49 S Sending controller time 96 Sensor calibration 24 Sensor failure 67 Set back 57 KGa 20 26 Station address 79 Summermode 44 Summer time winter time changeover 59 System code number 20 Description 28 38 T Temperature monitoring 70 Text message via SMS in case of fault alarm aoa 74 Thermal disinfection 57 Three step control 2 5179 139 Index Time delays compensating for Time controlled operation Times of use copying setting 61 U 15 V W Weather compensated control 8 Universal inputs 13 Vacation periods Frequently used abbreviations AA Analog output AE Analog input AF Outdoor sensor AT Outdoor temperature BA Binary output BE input Co Configuration level Fb Function block FG Potentiometer FW District heating circuit GND Grounding GWx Limit issued to terminal x GWy Limit issued terminal y HK Heating circuit KW Cold water RF Room sensor Return flow Return flow sensor Room temperature Storage tank sensor Stor
14. Vacations Start Stop Public holidays 5179 133 Appendix DHW heating Parameters PA4 Range of values DHW demand ON 20 to 90 C DHW demand OFF 20 to 90 C Hysteresis to 30 C Charging temperature 20 to 90 C Heat exchanger charging pump 20 to 90 C deactivation value Storage tank charging pump 20 to 90 C deactivation value Return flow limitation temperature 20 to 90 C Maximum charging temperature 20 t Times of use DHW ZP Monday Start Stop 1 00 00 to 24 00 h Monday Start Stop 2 00 00 to 24 00 h Tuesday Start Stop 1 00 00 to 24 00 h Tuesday Sitort Stop 2 00 00 to 24 00 h Wednesday Start Stop 1 00 00 to 24 00 h Wednesday Start Stop 2 00 00 to 24 00 h Thursday Start Stop 1 00 00 to 24 00 h Thursday Start Stop 2 00 00 to 24 00 h Friday Start Stop 1 00 00 to 24 00 h Friday Start Stop 2 00 00 to 24 00 h Saturday Start Stop 1 00 00 to 24 00 h Saturday Start Stop 2 00 00 to 24 00 h Sunday Start Stop 1 00 00 to 24 00 h Sunday Start Stop 2 00 00 to 24 00 h 134 EB 5179 EN Function block parameters Co4 Appendix Limitation factor FbO2 ON 0 to 25 5
15. defec tive sensor The following list explains how the controller responds to the failure of the different sensors Outdoor sensors 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 VF When the flow sensor is defective the controller continues to work with the valve in the last position Flow sensor in the DHW heat exchanger VFT The DHW control valve is closed when the sensor fails Flow sensor in the DHW storage tank VFS The flow set point for the DHW heat exchanger is only controlled with VFT The display blinks Return sensor RUF When the return flow sensor is defective the controller continues to work without the return flow temperature limitation function 5179 EN 67 Operational faults Room sensor RF Upon failure of the room sensor the controller functions according to the settings for operation without a room sensor For example optimized operation is switched over to reduced operation Adaptation operation is interrupted The last determined heating characteristic is not changed anymore Storage tank sensors SF1 and SF2 Upon failure of one of these sensors the storage tank is not charged anymore Sensor breakage status In InF7 and InF8 levels it is possible to see which sensor does not function properly The status of the sensors is shown over function blocks together
16. Function block parameter Boost 0 to 30 C 0 C In systems Anl 6 and 9 the demand can only be sent 102 5179 EN Comments Fb Function WE Anl Function block parameters Range of values default setting Appendix Co Sensor initialization Comments Fb Function WE Anl Function block parameters Range of values default setting OO Sensor selection All Co gt Fb00 ON Pt 100 Pt 1000 general gt FbOO OFF Pt 100 01 Sensor input 1 Any sensor inputs that are different from the settings for function block FbOO 17 sensor input 17 gt to Fb17 ON select Outdoor temperature input 0 4 to 20 to 10 V 40 to 50 Other temperature inputs 0 4 to 20 mA 0 to 10 V 0 to 160 Ni200 Ni1000 PTC NTC Pt1000 Pr100 0 4 20 0 10 OFF All 23 Sensor calibration OFF All Fb Function block WE Default setting Co7 LON communication Comments Fb Function WE Anl Function block parameters Range of values default setting 00 active OFF All Co7 gt Fb00 ON LON interface active 01 Controller as OFF All 7 gt Fb01 ON Controller is defined as primary controller master controller processes the external demand as master controller Co7 Fb01 OFF Controller is defined as secondary controller 02 Controller time OFF All 7 gt
17. been configured i e Co5 Fb14 ON 7 6 Compensating for time delays The controller regulates the control circuit with the highest flow set point with the secondary flow sensor If the sensor is placed on the secondary side directly downstream of the heat exchanger and the setting Co5 gt Fb06 ON configured any time delays due to changes in temperature at a distant flow sensor do not occur anymore This measure used with a condensate accumula tion control means that the control can intervene before the control valve releases unproportionally too much heat exchanger area Functions WE Configuration Flow sensor secondary VFsek ON Co5 gt Fb00 ON Compensation of time delays OFF Cos gt Fb06 ON 5179 EN 61 System wide functions 7 7 Three step control The flow temperature can be controlled using a 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 The three st
18. 1 Gradient characteristic Basically 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 parameter Level 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 return 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 Functions WE Configuration 4 characteristic OFF Col 2 3 gt Fb10 OFF 4 characteristic OFF Cos gt Fb03 OFF Anl 3 5 8 and 10 Parameters WE Parameter level Range of values Gradient flow 1 8 PAI 2 3 OL to 3 2 Level flow 0 C PA1 2 3 30 to 30 C Set back difference 20 1 2 3
19. 10 mA at the maximum If the Col lective error alarm function is active BA4 is no longer available for pump management Function WE Configuration Potentiometer in pre control circuit OFF Co5 gt Fb16 ON 68 5179 EN Operational faults Sensor breakage status Number Bit no in HR 0123456789 10111213141516 17 18 19 20 21 22 Flow sensor VF1 Return flow sensor R F1 Outdoor sensor AF1 Room sensor RF1 Flow sensor VF2 Return flow sensor RUF2 Outdoor sensor AF2 Room sensor RF2 Flow sensor VF3 Return flow sensor RUF3 Outdoor sensor AF3 Room sensor RF3 Pot input not monitored Pot input FG2 not monitored Pot input FG3 not monitored Flow sensor VFprim Return flow sensor R Fprim Flow sensor VFT Return flow sensor ROFTW Storage sensor SF Storage sensor SF2 Flow sensor VFS Flow rate not monitored 5179 EN 69 Operational faults 8 3 Temperature monitoring The flow temperature and the room temperature can be monitored for any deviations This func tion is activated in Co5 gt Fb20 The controller issues an alarm when the flow temperature deviates from its set point by more than 10 C for more than 30 minutes the room temperature falls below its set point by 2 C for more than 30 minutes the return flow temperature limita
20. 16 17 18 19 20 21 22 23 24 m Current outdoor temperature X Press enter key to confirm The set point is displayed 01234567 8 9 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 Current room temperature Press enter key to confirm The set point is displayed 5179 121 Appendix Display Parameter designation 0 11 92 eer 1819 2021 2223 24 E Tendency of room temperature 0123456789 10111213141516 17 18 19 20 21 22 23 24 LL K Valve position 0118253172 516 7 8 9110 1914 1512118202 2225322 91 The actual value of analog output with differential temperature control using variable weighting factors gt Press enter key to confirm The set point is displayed Time Press enter key to confirm The time of use for Monday 1 is displayed Press arrow key to scroll between times of use for the other days of the week 0 57255 e 1514151417 1819 2021 222524 P 122 EB 5179 EN Public holidays K Y Press enter key to confirm The first programmed public holiday is displayed Press arrow key to scroll between further programmed public holidays Display Appendix Parameter designation 0123456789 1011121
21. 4 gt Fb03 ON Charging temperature limited with VFS regulated with VFS 6 Co4 gt OFF Charging temperature regulated with without VFS 04 Circulation pump OFF Co4 gt Fb0A ON ZP continues to run during storage tank 1 3 charging 4 gt Fb04 OFF ZP runs acc to time schedule 05 UP OFF at the start OFF 5 Co4 Fb05 ON UP of pump heating circuit is additionally of reverse control switched off when reverse control starts 5179 EN 99 Appendix Comments Fb Function WE Anl Function block parameters Range of values default setting O6 Reverse control ON Not Co4 gt Fb06 ON Reverse control 1 3 6 Co4 gt Fb06 OFF Set back operation Function block parameters Activate priority in case of deviation to 30 C 0 C 07 Time until reverse ON Not 4 gt 7 ON Reverse control after 2 minutes control 1 2 4 gt Fb07 OFF Reverse control after 10 minutes 08 Thermal OFF Not Co4 gt Fb08 ON disinfection 1 3 6 Function block parameters Day of the week 0 daily 1 Monday 2 7 3 Wednesday Disinfection temperature 60 to 90 C 70 C Charging boost 0 to 30 C 5 C Start time 00 00 to 23 30 h 00 00 h Stop time 00 00 to 23 30 h 04 00 h 09 Three point step ON Not 4 gt Fb09 ON Function block parameters ping control 1 2 K prop
22. 40 60 80 appear on the display in sequence as the connection is being established EB 5179 127 Appendix 12 4 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 PES 2010 MIO NA 50 MES CN UE NS OLEO CON 00 DUET OU 20 Q 694 757825 896 971 1010 1050 1132 1219 1309 11402 1500 1601 1706 1815 1925 20 699 720 5227 2 Outdoor Temperature Sensor Type 5277 2 thermowell required and Type 5267 2 contact sensor Flow Return Flow and Storage Tank Temperature Sensors Type 5257 1 Type 5257 5 room panel Room Temperature Sensors 25 741 30 762 el Q 679 Type 5244 Sensor Switch position terminals 1 and 2 Resistance values with Pt 1000 resistors Resistance values with Pt 100 resistors Ee 35 230 10 5 0 S 10 Q 862 5 882 2 960 9 980 4 1000 0 1019 5 1039 0 Ze 20 25 30 315 40 45 50 35 60 Q 1058 5 1077 9 1097 3 1116 7 1136 1 1155 4 1174 7 1194 0 1213 2 1232 4 ne 65 70 5 80 85 90 95 100 105 110 Q 1251 6 1270 7 1289 8 1308 9 1328 0 1347 0 1366 0 1385 0 1403 9 1422 9 uc ks 120 125 130 185 140 145 150 Q 1441 7 1460 6 1479 4 1498 2 1517 0 1535 8 1554 5 1573 1 Use the resistance values specified i
23. 5 2 57405 6 7 1314151517 8192021 222924 L 5 Number of dialing attempts C O to 99 5 0818203045506 90 121512151617198192021222324 L 120 5179 EN Co9 Fb01 ON Phone number of control station tELno alternative recipient rESno Co9 gt Fb06 ON D1 access number UGno mobile phone number HAndY Co9 gt Fb10 ON Fax number tELno Station ID St Id Max 22 or 14 characters O to 9 P Pause End of number 12 3 Display Appendix The following displays are typical displays that can appear Icons at the edge of the display may vary depending on the operating mode and how the con troller is configured they cannot be shown in this case Inf1 to Inf3 Heating circuits HK1 to HK3 Display Parameter designation 0123456789 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 G 7 Current flow temperature at VF2 VF3 X Press enter key to confirm The set point is displayed 01234567 8 9 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 da Current return flow temperature at RUF1 RUF2 RUF3 gt Press enter key to confirm The set point is displayed When the function for differential temperature control using vari able weighting factors without return flow temperature limitation is active s r also appears on the display 01234567 8 9 1011 12 13 14 15
24. BAS BAS ZB 15V ZB GND 7 7 9 2617GND s BA12 T 2 BAT3 BA14 Option 5244 Type 5257 5 5179 EN 93 System Anl 5 Vek 4 VFS SE 5 s s FT R FTW L BA7 WI 3 w RF AAT BA9 RAS M Bato ND A BAD BAT BA COM 34 2 M BAI ION Option Le BA14 Type 5244 Type 5257 5 2349 BA15 30 ds BEA BE5 26 _ or 7 24 3 ZB 15V 2 co SEIS BBC HG n BE16 17 gt _ T 2 E 2Pkt HK3 4 2617GND ye 4 BATI 34 UP BA12 BAd 1311121 Hp BAI3 ON Option GW x 4 BAIA Type 5244 Type 5257 5 47 BAIS 94 EB 5179 EN System Anl 7 31 _ E sal 36 I 38 RE a dn Es 26176ND N BA11 BA COM 3 4 GW x BA12 ee BA13 Option BAIA Type 5244 Type 5257 5 NJ 5 System Anl 8 5 BAS 7 BA8 BA9 BA10 BA11 BA12 BA13 BA14 Type 5244 Type 5257 5 BAIS EB5179EN 95 Electrical connection System Anl 9 BAS BAG B
25. Fb02 ON Controller time LON system time 03 Outdoor OFF Co7 gt Fb03 ON LON outdoor temperature 1 temperature 1 Select Terminal number of outdoor sensor 04 Outdoor OFF All 7 gt Fb04 ON LON outdoor temperature 2 temperature 2 Select Terminal number of outdoor sensor 05 Report operational OFF All 7 gt Fb05 ON Report fault alarms of other LON faults of other LON participants participants Fb Function block WE Default setting 104 EB 5179 EN Co8 Error initialization Appendix Comments Fb Function WE Anl Function block parameters Range of values default setting 00 Dial up also upon CO8 gt FbOO ON Dial up to the building control station corrected fault both when a fault was detected and a fault was corrected CO8 gt Fb00 OFF Dial up to building control station only when fault was detected in FSr OFF All Co8 gt Fb01 to Fb17 ON to to Option Rising signal edge make contact 17 BE 17 in FSr Negative signal edge break contact Note Can only be changed after entering key number 22 Limit monitoring OFF All Configurable over Modbus 23 Alarm binary input OFF All Co8 gt Fb23 ON Subsequent faults reported in error status changed register bit D11 Fb Function block WE Default setting Co9 Modbus and meter bus communication Comments FB Function WE Function block parameters Ran
26. Hoe ENN in case of deviation 0 to 30 C Day of week Fb08 ON 0 1 to7 Disinfection temperature Fb08 ON 60 to 90 C Boost of charging temperature to 30 C Start Stop FbO8 ON 00 00 to 23 30 Ty valve transit time FbO9 ON 15 to 240 s Kp proportional gain Fb09 14 ON 0 1 to 50 Tn reset time Fb09 14 ON 1 to 999 5 Tv derivative action time Fb14 2 ON O to 999 s Data for heating circuits Fb12 ON 1 to 3 Max system deviation Fb13 ON 2 to 10 C PA5 System wide parameters Parameters PA5 Range of values Gradient return flow 0 4 to 3 2 Level return flow 30 to 30 C Maximum return flow temperature 20 to 90 C Minimum return flow temperature 20 to 90 C Maximum capacity of entire system 0 1 to 5999 kw Maximum capacity of heating 0 1 to 5999 kw Maximum capacity of DHW heating 0 1 to 5999 kw Proport action coefficient for limitation 0 1 to 10 Maximum flow rate of entire system 0 01 to 99 9 m h Maximum flow rate of heating 0 01 to 99 9 m h Maximum flow rate of DHW heating 0 01 to 99 9 m h Minimum flow rate 0 01 to 99 9 m h Proport action coefficient for limitation 0 1 to 10 Outdoor temperature point 1 30 to 90 C Outdoor temperature point 2 390 to 90 C EB 5179 135 Appendix Parameters PA5 Range of values Outdoor temperature point 3 510 Outd
27. ID can be programmed this number will then be forwarded as well If no station ID is specified the string nicht verf gbar not available is inserted Fax number Digits 0 to 9 o Pause end max 14 characters place an additional O in front when dialing from a private branch exchange 74 5179 EN Operational faults Station ID Digits O to 9 P pause end max 14 characters Functions WE Configuration Modbus ON gt Fb00 OFF Modem OFF Co gt Fb01 OFF Alarm sent as text message OFF Co gt Fb06 OFF Alarm sent per fax OFF Co gt Fb10 Fox dialing procedure OFF Co gt Fb11 Parameters WE Parameter level Range of values Fax number tELno Station ID St Id PA9 configurable as required configurable as required Digits O to 9 P pause end max 14 characters 5179 75 Communication 9 Communication Using the serial system bus interface the TROVIS 5179 District Heating Controller can commu nicate with a building control system In combination with a suitable software for process visual ization 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 t
28. O to 30 C 5 C 0112345 64781910112 1314151127 1819 20212223924 q ll 0 112 5179 EN DHW demand ON 20 to 90 C 40 C Systems with two storage sensors SF1 and SF2 4 gt Fb02 Fb02 ON Display Appendix Parameter designation Range of values default settings 0123456789 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 DHW demand OFF 20 to 90 C 45 C 0123456789 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 _ p Y mim Y L UN Charging temperature 20 to 90 C 55 C 0123456789 10111213141516 17 18 19 20 21 22 23 24 STOP A 4 Q Heat exchanger charging pump deactivation limit 20 to 90 C 50 C Lag of heat exchanger charging pump until the heat exchanger flow temperature falls below the limit 123456789 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 4 ol Storage tank charging pump deactivation limit 20 to 90 C 50 C Lag of storage tank charging pump until the heat exchanger flow temperature falls below the limit 0123456789 101112131415 16 17 18 19 20 21 22 23 24 Return flow limitation temperature for DHW 20 to 90 C 45 C 5179 113 Appendix Display Parameter designation Range of values default settings 5146516 Z 8121102 1314151178 1922021222524 d ieu v Maxim
29. Operation 1 1 2 Operating switches Heating circuit mode selector switch Automatic mode with switchover between rated operation and reduced operation Rated operation Reduced operation m Manual operation Control valve opens stationary closes for on off control ON 0 OFF E gt 0 DHW circuit mode selector switch The operating mode icon stickers are included in the scope of delivery and can be stuck on the front above the mode selector switch for control circuit 2 middle if required Automatic mode Rated operation DHW heating OFF Manual operation Control valve opens stationary closes for on off control ON 0 OFF DI IO 0 Note In manual mode frost protection is not guaranteed 5179 EN 7 Operation The assignment of the control circuits to the mode selector switches depends on the system code number Anl System Mode selector switch Anl Top Middle Bottom Heating circuit 1 Heating circuit 2 Pre control circuit Heating circuit 1 DHW heating Heating circuit 2 Heating circuit Heating circuit 2 Heating circuit 3 Pre control circuit Heating circuit 1 DHW heating Pre control circuit 5 Heating circuit 1 DHW heating Heating circuit 2 Pre control circuit Heating circuit 1 Heating circuit 2 Heating circuit 3 Heating circuit 1 DHW heating Pre control circuit 8 Heating circuit 1 DHW heati
30. Option steig Limitation acc to gradient characteristic 4 pt Limitation acc to 4 point characteristic Note Can only be changed after entering key number 02 Reserved OFF All 03 4 point OFF 3 5 8 Co5 gt ON 4 point characteristic characteristic 10 5 gt OFF Gradient characteristic Setting applies for all heating circuits 04 Delayed OFF All Co4 gt Fb04 ON Option outdoor tempera Ab When outdoor temperature drops ture adaptation AufAb When outdoor temperature drops or rises Function block parameter Delay 1 to C h 3 C h 05 Summer All 4 gt 5 ON time winter time Automatic summer time winter time changeover changeover 06 Compensation of 1 2 Co5 gt Fb06 ON Only with Co5 gt Fb00 ON time delays 4 7 10 07 Condensate OFF All Co5 gt Fb07 ON Only with Co5 gt Fb14 ON accumulation Function block parameter control Maximum system deviation 2 to 10 C 2 C 08 Limitation of WMZ OFF Not 5 gt Fb08 ON 6 9 Select limitation depending on Co9 gt Fb21 to Fb23 No limitation U Flow rate limitation P Capacity limitation U P Flow rate and capacity limitation when U P or U P is selected CONST Limitation constant A Ei Limitation acc to 4 point characteristic dependent on outdoor temperature Note Can only be changed after entering key number 5179 101 Appendix Com
31. The command is not issued during dial up or when connected ATZ causes the con figuration profile 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 Typical initialization of a modem with a terminal program amp restores modem to its factory settings OK response of the modem ATEOSO 1 command input EO echo off SO 1 answer on first ring Modem dialing pause P It is recommended to observe an interval of approx 3 to 5 minutes between dialing up to the control system or sending a text message or fax to avoid a permanent overloading of the tele communications network The modem dialing pause is the interval between two dialing at tempts 5179 79 Communication Modem timeout t 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 Modem dialing pause P has elapsed Number of redialing attempts C The controller tries to dial up to the control system again observing the Modem dialing pause in case the control station text messaging center fax is busy or the function that triggered the call has not been reset by the controller After the specified number of redialing atte
32. alert to a higher level control system by writing in the error status register Directly after setting the function block select the terminal that is to be monitored and the condition that triggers the alarm according to the following codes Alarm when upper limit is exceeded OGW Lower limit O Upper limit Any Alarm when bottom limit is not reached UGW Lower limit Any Upper limit 100 Alarm when the limits is exceeded or not reached Lower limit gt 0 lt OGW Upper limit gt UGW lt 100 Alarm ON when UGW is exceeded and alarm OFF when OGW is not reached Lower limit gt OGW lt 100 Upper limit gt 0 lt UGW Input to which temperature sensors are connected have readings in C measuring range from 30 to 160 C analog input readings are shown in of the measuring range In systems Anl 1 3 4 7 and 10 the limit alarm is made with BA EIN over an analog relay A make contact or break contact function can be assigned to the relay by selecting STEIG rising signal edge and FALL 2 negative signal edge respectively The limit alarm also ap pears in the error status register by selecting Fsr E Note The associated binary output is marked in the wiring plan with GWx and GWy and depends on the system code number Anl Function WE Configuration Limit monitoring at terminal Co5 Fb11 12 2 ON X y Terminal number Upper lower limit Signal edge binary output FSr A FSr E
33. characteristic 10 Pulse weighting 0 1 to 10 Parameters WE Parameter level Range of values Maximum flow rate of the entire system 9 m h 5 0 01 to 99 9 m h Maximum flow rate of the DHW heating 9 m h PAS 0 01 to 99 9 m h Proportional action coefficient for the limitation 1 0 5 0 1 to 10 Select CONST additionally for Maximum flow rate of the heating 9 m h 5 0 01 to 99 9 m h Select 4 Pt additionally for Outdoor temperature Point 1 15 C PAS 30 to 90 C Point 2 o Point 3 5 G Point 4 15 C Maximum flow rate limitation points to 4 9 m h 5 0 01 to 99 9 m3 h A second pulse counter can be connected at terminal 29 The pulses entered are stored in the holding registers 40031 low byte and 40032 high byte The associated duration on the holding registers 40035 low byte and 40036 high byte First the low byte counts upwards 0 to 65535 If several pulses arrive the counting value is formed by multiplying the low byte with the high byte 32 bit value 7 12 Locking manual level To protect the heating system this function can be used to lock manual level When this function has been activated automatic mode is started when the rotary switch is set to or 0 Function WE Configuration Locking manual levels 66 EB 5179 EN OFF Co5 Fb10 2 ON Operational faults 8 Operational faults Malfunctions or faults are indicated by the icon blinking on the display Error immed
34. details on these matters 82 5179 EN Communication 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 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 Capacity limitation Parameters WE Parameter level Range of values Maximum capacity of the entire system 50kW 5 0 1 to 5999 kW Maximum capacity of the DHW heating 50kW PA5 0 1 to 5999 kW Proportional action coefficient for limitation 1 0 PA5 0 1 to 10 By selecting CONST additionally Maximum capacity of the heating 50kW 5 0 1 to 5999 kW By selecting 4 Pr additionally Outdoor temperature Point 1 15 C PAS 30 to 90 C Point 2 XEM Point 3 ONG Point 4 Maximum limit of capacity points 1 to 4 50 5 0 1 to 5999 kW Flow rate capacity Parameters WE Parameter level Range of values Maximum flow rate of the entire system 9 m h 5 0 01 to 99 9 m h Maximum flow rate of the DHW hea
35. for branch exchange systems 80 5179 EN Communication Note The initialization settings described here are indispensable for operation on a dial up modem Nevertheless it cannot be guaranteed that data are transferred after the initialization settings have been adjusted Due to the broad range of modems available on the market and the differ ent commands refer to the operating manual of the modem for further details 9 4 Meter bus interface The district heating controller can communicate with up to 3 heat and water meters according to EN 1434 3 Details on the use of the different heat or water meters can be found in the technical documenta tion TV SK 6311 9 4 1 Activating the meter bus To successfully transfer data from the heat meter WMZ to the district heating controller the heat meter must use a standardized protocol in accordance with EN 1434 3 It is not possible to make a general statement 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 parameters to set up the communication with heat or water meters are available in Co9 gt Fb21 to Fb23 The meter bus address model code and reading mode need to be set in sequence 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 con
36. 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 In the operating level the outdoor temperature blinks on the display while delayed outdoor tem perature adaptation is active The calculated outdoor temperature is displayed Function WE Configuration Delayed outdoor temperature OFF Cos gt Fb04 ON adaptation Ab When outdoor temperature drops Auf Ab When outdoor temperature drops or rises 3 C h Delay 0 2 to 6 0 C h 5 7 Outdoor temperature dependent advance heating The controller activates the heating depending on the outdoor temperature before the time of use starts in normal operation The Advance heating time is based on an outdoor tem perature of 12 C The advance heating time is shorter when the outdoor temperature is higher Functions WE Configuration Optimization OFF Col 2 3 gt Fb05 ON Select 1 120 min Advance heating time to 360 min Outdoor sensor AF1 2 3 Col 2 3 gt Fb02 ON 5179 45 Functions of the heating circuit 5 8 Remote operation Apart from measuring the room temperature the Type 5244 Room Sensor PTC sensor and Type 5257 5 Room Sensor Pt 1000 sensor offer the following options to influence the control process Selection of the operating mode Automatic mode Day mode Night mode Set point c
37. only regulated by the primary valve when the DHW demand has the highest set point and has priority In all other systems Anl 7 8 and 9 the mixing valve regulates the charging temperature VFT When the Circulation pump function is active the circulation pump remains in operation ac cording to the time schedule The pump is switched off when this function is deactivated 52 EB 5179 EN System wide functions The Mixing valve always active function allows the heat exchanger to maintain the charging temperature using the mixing valve The heat exchanger charging pump remains switched on and the return flow temperature is not limited outside the times of use When the flow sensor VFS is active the set point in the heat exchanger charging circuit is af fected by the system deviation in the storage tank charging circuit when the storage tank charg ing pump is switched on IF the temperature measured at the flow sensor is smaller than the required charging tempera ture the set point in the heat exchanger charging circuit is raised by 1 C every minute IF the set point in the heat exchanger charging circuit reaches the value in Maximum charging temperature parameter it is not raised any further an Err 10 alarm is generated Stop storage tank charging The controller stops charging the storage tank when the water temperature in the storage tank measured at sensor SF2 DHW demand OFF exceeds the set point by 0 1 C The primary valve A
38. sent to the German D1 network The corresponding access numbers into the D1 network as well as the mobile phone number of the recipient must be set in the PA level D1 access number 0171 252 10 02 add O in front when dialing from a private branch exchange Digits 0 to 9 P pause end max 22 characters The access number is assigned by Deutsche Telekom and may alter Mobile phone number 49 xxx yyyyyyy where xxx stands for 160 171 or any other valid D1 dialing code and yyyyyy represents the specific phone number of the mobile phone you wish the alarm to be sent to Digits 0 to 9 P pause end max 14 characters Note Currently text messages can only be sent to the German D1 network Functions WE Configuration Modbus ON Co9 gt Fb00 OFF Modem OFF BOT OFF Text message via SMS OFF Co gt Fb0 ON SMS dialing procedure OFF Co gt FbO7 Alarm sent per fax OFF Co gt Fb10 OFF Parameters WE Parameter level Range of values Access number UGno configurable as required Mobile phone number HAndY configurable as required Digits O to 9 P pause end max 14 characters Digits O to 9 P pause end max 22 characters 8 6 2 Sending fax in case of a fault alarm The device type is forwarded in addition to a detailed error description The recipient s fax number must be programmed in the level Optionally also the sender s station
39. 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 signal 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 Connecting the controller The controller is connected as illustrated in the following wiring diagrams If individual inputs for other functions e g for binary inputs are to be used they must be deter mined in the configuration levels Col to 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 90 5179 EN 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 mode 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 i
40. temperatures when the temperature has changed by at least 1 C or after four minutes at the latest The analog inputs and outputs are sent when the signal level changes by 0 5 V The binary inputs and outputs are sent after every change or after four minutes at the latest In the InF7 level all other TROVIS 5100 network participants are listed together with controller type and LON address e g 74 01 A communication fault exists when the display blinks Function WE Configuration LON active OFF Co7 gt Fb00 ON 84 Eb 5179 EN Communication 9 6 Requesting processing an external demand Requesting an external demand The flow temperature set points can be passed on over the LON network in complex heating sys tems The external flow set point is compared with the controller s own flow set point The higher of the two flow set points is passed on Functions Configuration External demand OFF Co5 gt Fb13 2 ON LON active OFF Co7 Fb00 ON Master controller OFF Co7 Fb01 OFF Note In systems Anl 6 and 9 the setting Co gt FbOO OFF must be configured for passing on the flow temperature set point In all other systems the setting Co5 gt ON must be configured Processing an external demand The master controller receives the demand of connected controllers over the LON network and makes the required energy available for all the control circuits The secondary flow sensor in stalled direct
41. the same as the intended temperature difference it is evaluated by the Kp factor for differential temperature control After initial signs for a deviation occur the flow temperature is raised or reduced by this factor When the Kp factor for differential temperature control is set to O the return flow temperature does not have any affect on the control of the flow temperature When the Kp factor for differential temperature control is set to 1 a pure return flow tempera ture limitation takes place section 7 4 The reset time TN determines how fast the deviation of the temperature difference affects the control circuit the larger TN is the slower the rate in change The Intended temperature difference parameter is maintained at a constant value by adjusting the speed of the associated circulation pump in the heating circuit The pump is controlled by an analog 0 to 10 V signal which is applied to the associated analog output AA of the controller AAT to AA3 The control signal is displayed in the associated info level When the differential temperature control without return flow limitation is active the actual temperature of the return flow is nevertheless displayed After pressing the enter key the set point is displayed together with the string S r for differential temperature control using variable weighting factors 42 5179 EN Functions of the heating circuit Function WE Configuration Differential temperature c
42. tonomously and can issue an alarm call to the building control station when errors occur Addi tionally the building control station can dial up the controller read data from it and send new data once the valid key number has been written to the holding register no 40070 On recognizing the key code from the controller as valid the register value 1 confirms writing permission In any other case the register value remains at 0 Any further establishment of communications requires the writing permission to be acquired by resending the key number Note If a wrong key number has been written to holding register no 40070 for the third consecutive time the controller immediately interrupts the modem connection and sets the D bit of the error status register Unauthorized access As a result the call to the configured control system is triggered or a text message fax is sent Bit D is deleted as soon as the error status register has been read by the control system and the connection has been terminated In special cases the Lock dial up function can be selected to stop dial up in case of faults Using the Dial up also upon corrected fault function the controller additionally informs the building control station when a previously registered fault no longer persists 5179 EN 77 Communication Functions WE Configuration Modem OFF Co gt Fb01 ON Modem dialing procedure OFF Co gt Fb02 Lock diol up OFF Co9 gt Fb
43. with the string bruch A function block is as signed to each sensor and is set when the sensor data input is incorrect after one minute InF7 only with Co7 gt Fb05 ON Error status display of the recognized LON controller and its sensor breakage status for example 7403b TROVIS 5174 Controller sensor breakage bit 03 7919b TROVIS 5179 Controller sensor breakage bit 19 The relationship between the set bit and the associated sensor can be found in the Mounting and Operating Instructions EB of the recognized LON controller InF8 Sensor breakage status display of the sensor belonging to the controller The set bits remain visible in the case of failure for at least one minute appears on the right hand side of the set bit number see page 69 When an SMS text message alarm or fax alarm is issued see sections 8 6 and 8 7 Fuehl ap pears on the display next to the status of the connected sensors One o appears for every working sensor and one F for every defective sensor The sequence is the same as the set bits on page 69 Example Fuehl oFoFFooooooooooooooooo Defective resistor inputs 1 3 and 4 return flow sensor RUF1 room sensor RF1 and flow sensor VF1 8 2 Collective error alarm Should an error occur in the controller it can be indicated over binary output BAA is activated when the error status register does not equal 0 BA4 is a DC voltage output in an open collector circuit and may only be loaded with 24 V
44. x Hysteresis When the flow tem perature exceeds the set point by T 2 0 5 x Hysteresis the control valve is closed The greater the Hysteresis selected the lower the switching frequency The UP lag time parameter indicates the time span which the circulation pump continues to run after the control valve is closed the pa rameter only needs to be set for the heating circuits HK2 and HK3 By entering Minimum activation time a burner once switched on remains switched on for the time entered regardless of how the temperature develops Likewise a burner that has been switched off due to the temperatures remains switched off for the time entered in Minimum de activation time The on off control can be configured separately for the individual heating circuits and for the pre control circuit Functions WE Configuration Three step control ON Col 2 3 gt Fb15 OFF for heating circuit 5 Hysteresis 1 to 30 C 120s Minimum activation time O to 600 s 120s Minimum deactivation time O to 600 s 240 UP lag time 120 to 1200 s Three step control ON Co5 gt Fb14 OFF for pre control circuit 5 C Hysteresis 1 to 30 C 120s Minimum activation time O to 600 s 120s Minimum deactivation time to 600 s 7 9 Continuous action control The flow temperature can be controlled using a PID algorithm The valve receives an analog 0 to 10 V signal issued by the controller The proportional action component causes an immedia
45. 0 50 Min flow temperature 90 C PAI 20 130 C Max flow temperature 20 PAI 2 2950 5 2 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 40 5179 EN Functions of the heating circuit The Max flow temperature and Min flow temperature parameters mark the upper and lower lim its of the flow temperature NL A C 100 90 80 70 min Minimum ol DL PI to 4 Points 1 to A Flow temperature ta Outdoor temperature max Maximum 4 point characteristic Reduced 4 point 40 characteristic Mw LII tVLmin 20 10 20 15 10 5 5 10 15 20 Fig 3 4 point characteristic Functions WE Configuration 4 characteristic OFF Col 2 3 gt Fb10 ON 4 point characteristic OFF 4 gt Fb03 ON Anl 3 5 8 and 10 Parameters WE Parameter level Range of values Flow temperature Point 70 C PAI 2 37 20 e 130 C Point 2 55 Point 3 40 C Point 4 25 G Outdoor temperature Point 1 15 C PAI 2 3 30 to 90 C Point 2 Point 3 5C Point 4 5 Return flow temperature Point 1 65 PA1 2 3 20 to 90 C Point 2
46. 03 Diol up also upon corrected fault OFF Co8 gt FbOO Parameters WE Parameter level Range of values Station address ST NR 255 PA io 247 1 to 999 with Co9 gt Fb04 Baud rate BAUD 9600 PA 9 300 to 19200 Cyclic initialization I 30 255 min Modem dial interval between calls P 5min 1 to 255 min Modem timeout t 5min 1 to 255 min Number of redial attempts C 5 9 0 to 99 Phone number of building control station Configurable as required tELno Phone number of alternative recipient Configurable as required rESno Digits O to 9 P Pause End max 22 characters Section 9 3 Description of communication parameters to be adjusted 9 2 RS 232 RS 485 system bus interface for four wire bus in combina tion with cable converters A constant bus connection is required data cable for operation of the district heating controller in conjunction with cable converters The bus line is routed to the individual control instruments in an open ring At the end of the bus line the data cable is connected to the control station us ing an RS 485 RS 232 converter e g TROVIS 5484 The maximum range of the bus connec tion cable length is 1 200 meters A maximum of 32 devices can be connected to such a seg ment 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 i
47. 1 Maximum limit of the capacity Limits of the points 2 3 4 are marked by squares below the num bers 2 3 4 0 1 to 5999 kw point 1 to point 4 50 kw 0 2 9745516 7 8 91 0821914 51617 2 222324 Pd Ww Y 118 5179 EN V offset of the entire system 300 to 300 m h 0 0 m h Display Appendix Parameter designation Range of values default settings 2 2072182223124 0 u PA9 Communication Display P offset of the entire system 3000 to 3000 kW 0 0 kw Parameter designation Range of values default settings 2 80 6 2 o 2021222324 255 ST NR Station address ST NR to 247 255 1 to 999 255 with Co gt Fb04 ON ONIM2E3UARSE ORZESROEIONNEIZNI3EASU5816107318310120 21022 2312 4 9601 BAUD Baud rate BAUD 300 to 19200 9600 23450789 1011 12 1314 15 16 17 18 19 2021 2223 24 Cyclic initialization I 0 to 255 min 30 min EB 5179 119 Appendix Display Parameter designation Range of values default settings 2 3145516172 20212202327 P 5 Modem dialing pause to 255 min 5 2 9145516 2 8 1314151617 8122021 222324 E 5 Modem timeout t to 255 min
48. 2 86 5179 EN EB 5179 EN 87 Installation 10 Installation The controller consists of the housing with the electronics and the back panel with the terminals It is suitable for panel wall and top hat rail mounting Fig 9 Panel mounting 1 Remove both screws 1 2 Pull apart the controller housing and back panel 3 Make a cut out of 138 x 91 mm width x height in the control panel 4 Insert the controller housing through the panel cut out 5 Insert one mounting clamp 2 each at the top and bottom or at the sides Screw the threaded rod towards the panel with a screwdriver such that the housing is clamped against the control panel 6 Install the electrical connections at the back of the housing as described in section 11 7 Fit the controller housing 8 Fasten both screws 1 Wall mounting 1 Remove both screws 1 2 Pull apart the controller housing and back panel 3 If necessary bore holes with the specified dimensions in the appropriate places Fasten the back panel with four screws 4 Install the electrical connections at the back of the housing as described in section 11 5 Fit the controller housing 6 Fasten both screws 1 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 88 5179 EN Installation Panel mounting ontro
49. 20 21 22 23 24 x Gradient of the heating characteristic flow 0 4 to 3 2 1 8 Tl 2 3512551617 85 2310 8 1912021 2212324 i Level of the heating characteristic flow 30 to 30 C 0 C TI 0123456789 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 x A point characteristic Press key to adjust the following parameters outdoor temperature flow temperature return flow temperature and set back difference 0123456789 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 190 b Lm 2 4 point characteristic Point 1 Outdoor temperature Outdoor temperatures of the points 2 3 4 are marked by squares below the numbers 2 3 4 30 to 90 C point 1 715 C point 2 5 C point 5 C point 4 15 C EB 5179 EN 107 Appendix Display Parameter designation Range of values default settings 0 3146512 5 5121512 12718192021222524 700 b 4 point characteristic Point 1 Flow temperature Flow temperatures of the points 2 3 4 are marked by squares below the numbers 2 3 4 20 to 130 C point 1 70 C point 2 55 C point 3 40 C point 4 25 C Tl 0 3145017 8 951011121512151617 18 1 2021 2223924 b 5l RO 7 4 point characteristic Point 1 Return flow temperature Return flow temperatures of the points 2 3 4 are marked by squares b
50. 3141516 17 18 19 20 21 22 23 24 By Vacations K Y Press enter key to confirm The first vacation period is displayed Press arrow key to scroll between other vacation periods Inf4 DHW heating Display Parameter designation 012345678929 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 AE 0123456789 1011121314 15 16 17 18 19 20 21 22 23 24 0 Charging temperature supply of heat exchanger K Press enter key to confirm The set point is displayed 0123456 7 8 1011 121314 15 16 17 18 19 20 21 22 23 24 Charging temperature supply of storage tank K Press enter key to confirm The set point is displayed Storage tank temperature at sensor SF1 K Press enter key to confirm The set point is displayed 5179 123 Appendix Display Parameter designation 0123450789 1011 1213 14 15 16 17 18192021222324 0123456789 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 0123456789 1011 12 13 14 15 16 17 18 1920 2122 23 24 K OM 72 4910231253163 181522032 122_2324 Un _ 1234567 8 9 1011121314151617 18192021 22 23 24 Storage tank temperature at sensor SF2 Press enter key to confirm The set point is displayed 124 EB 5179 EN Storage tank temperature at return flow s
51. 4 Summer mode Summer mode is activated depending on the mean daytime temperature measured between 7 00h 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 Functions WE Configuration Summer mode OFF Col 2 3 gt 11 01 06 Start summer mode 01 01 1 Jan to 31 12 31 Dec 30 09 Stop summer mode 01 01 to 31 12 18 C Outdoor temperature limit in summer mode 0 to 30 C EB 5179 EN Functions of the heating circuit Note Summer mode only becomes effective when the controller is in automatic mode 5 6 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 12 C steps Assuming a Delay of C h the adaptation would take Z 4 h 3 C h Note The delayed outdoor temperature adaptation helps avoid unnecessary overloads
52. A7 BAS BA9 BA10 26 17GND s 3 4 RDE ai BA14 Type 5244 Type 5257 5 BA15 System Anl 10 L1 N E n BE3 VFS BES HK1 d 24 5 BE za ve ZB_15V BAS RF2 aw 28 dr i zB anu T 17 dus 2617GND 6 od 1 O 12 I BE BA13 lt p 2 amp 15 Vo ige 24 V7 30 mA XX Relay Phoenix Contact Type PLC BSC 24 DC 21 Article no 29 66 016 96 5179 EN Appendix 12 Appendix 12 1 Function block lists Col to Co3 Heating circuit 1 to 3 Comments Fb Function WE Anl Function block parameters Range of values default settings OO Room sensor OFF All Col 2 3 gt Fb00 ON Room sensor active RFI 2 3 In systems Anl 3 5 and 8 only for optimization and display 01 Return flow sensor OFF All Col 2 3 gt Fb01 ON Return flow sensor active R F1 2 3 Function block parameters Limitation factor O to 25 5 1 0 In system Anl 6 only after entering key number 02 Outdoor sensor t Col 2 3 gt Fb02 ON Outdoor sensor active 2 Option Sensor Lon HK2 OFF Lon2 HK3 OFF In HK1 it con only be deoctivoted when all heoting circuits ore configured as room temperature dependent control The out door temperature is then set to the fictive value of 3 C 03 Reserved 04 Reserved 05 Optimization OFF A
53. AUD 300 to 19200 Cyclic initialization I 1 to 255 min Modem dial interval between calls P 0 to 255 min Modem timeout t O to 255 min Number of redial attempts C 1 to 99 Phone number of control station Phone number of alternative recipient max 23 characters Access number 0109 Mobile phone number P pause Fax number Station ID Function block parameters Co9 WMZI WMZ2 WMZ3 Meter bus address Fb21 22 23 ON 0 to 255 Model code Fb21 22 23 ON Ae jo ae Reading mode Fb21 22 23 ON 24h con Coil Key number 1732 EB 5179 137 Index Index A point characteristic AO A Adaptation 48 Advance heating outdoor temperature dependent 45 Arrow keys Automatic mode 7 8 B Baud rate 79 C Calibrating sensors 24 Capacity limitation 64 82 Chongeoverkey 5 39 Collective error alarm 68 Communication parameters 79 Condensate accumulation control 61 Configuration 97 Connection Achuqhlor 9 PU 9 Sensor 9 Continuous action control 63 Control continuous action 63 on off 3
54. Automation System TROVIS 5100 District Heating Controller TROVIS 5179 Mounting and Operating Instructions EB 5179 EN Firmware version 1 2 C Edition August 2005 Disclaimer of liability Disclaimer of liability We are constantly developing our products and therefore reserve the right to change the product 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 appropriate storage are assumed h 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 EB 5179 EN Contents N o O 000 0 O N C N 5 2 1 5 2 2 Su 5 4 5 5 5 5 1 5 5 2
55. N Flash adaptation OFF Col 2 3 gt Fb08 ON 5 11 Adaptation The controller is capable of automatically adapting the heating characteristic to the building characteristics provided a gradient characteristic has been set Col 2 3 gt Fb10 OFF The reference room where the room sensor is located represents the entire building and is moni tored to ensure that the Day set point is maintained When the mean measured room tempera ture in rated operation deviates from the adjusted set point the heating characteristic is modi fied accordingly for the following time of use The corrected value is displayed in 2 3 pa rameter levels under Gradient flow Functions Configuration Room sensor RF1 2 3 OFF Col 2 3 gt Fb00 ON Outdoor sensor AF1 2 3 Col 2 3 gt Fb02 ON Adaptation OFF Col 2 3 gt Fb07 ON 4 characteristic OFF Col 2 3 gt Fb10 OFF 48 Eb 5179 EN Appendix Parameter WE Parameter level Range of values Day set point 20 5 12 Room temperature dependent control In systems Anl 6 and 9 the Room temperature dependent control function can be separately activated for each heating circuit The Room sensor function must be activated for this function Flow and return flow sensors only serve to display the temperature and can therefore be deacti vated The outdoor sensors are not required for the room control function but are still required for the F
56. O Q A Malfunction Fig 1 Icons 0 y 2 7g 9 9 v HHEHHHEHHHENHHENH 16 O Ev 9 1011 12 13 8 Circulation pump RK1 3 9 Valve RK1 3 or Primary valve OPEN or DHW OPEN 10 Valve RK1 3 or Primary valve CLOSED or DHW CLOSED 11 Storage tank charging pump SLP 14 15 12 DHW storage tank 13 Circulation pump ZP 14 DHW demand 15 Exchanger charging pump TLP 16 Time of use 5179 9 Operation 1 4 Displaying data Measured values set points times of use public holidays and vacation periods can be re trieved and displayed in the InF1 to InF9 information levels The various displays are listed in section 11 4 InFl Heating circuit 1 InF2 Heating circuit 2 InF3 Heating circuit InF4 DHW heating InF5 Primary control circuit InF Does not exist InF7 LON communication InF8 Error status register sensor failure InF9 Communication PU Pumps manual level Binary inputs and outputs Error Alarms Proceed as follows V Select information level Fig 10 on page 141 Confirm information level Select value you want to change Compare the set point limit value and the actual value Press keys simultaneously to switch to the operating level 10 5179 EN 1 5 Setting the controller time Operation The current time and date need to be set immediately after s
57. Optimization 3 2 0405160728109 1021314315 1681718192202 12272324 i dg da Gradient of the heating characteristic return flow 0 4 to 3 2 C 1 2 Only with Col 2 3 gt Fb10 OFF 5179 EN 109 Appendix Display Parameter designation Range of values default settings 5146516 SO Level of the heating characteristic return flow 30 to 30 C 0 C Characteristic is shifted parallel Max return flow temperature 20 to 90 C 65 C Only with Co5 gt FbO1 ON select steig 0152157255 9 9529310112 1314151127 92021222324 20g 4 k Min return flow temperature 20 to 90 C 20 C Only with Co5 gt FbO1 ON select steig Control according to fixed set point Min return flow temperature Max return flow temperature 37465 617 89 10112 1314151 171819 2021 222324 Y START i5li 4 A OT activation value in rated operation 30 to 50 15 The heating continues to run and is not set back outside the time of use when the outdoor temperature is below the OT limit 0012257455 1314151417 18192021222524 d 110 5179 EN OT deactivation value in reduced operation 10 to 50 C 10 C The heating is switched off outside the time of use when the out door temperatur
58. Status alarm to error status register ON OFF BA EIN BA AUS Setting not setting the binary input FALL steig Negative signal edge increasing signal edge 5179 EN 71 Operational faults 8 5 Error status register The HR 60 and HR 61 error status registers holding register 16 bit are used to indicate con troller or system errors HR 60 contains general alarms whereas special faults are entered in HR 61 In modem mode gt Fb01 ON the change in state of HR 60 or HR 61 causes the controller to dial the control system In InF8 level the bits of the error status register are displayed FSR1 general error The corresponding block at the top is set for every bit set FSR2 special error by pressing key the set bits are displayed similar to FSr1 In both cases the blocks 20 to 23 are visible when a bit is set in another error status register which is currently not visible to make it immediately recognizable whether one of the maxi mum 32 error flags has been set Holding register 60 A set bit is indicated by on the right of number Number Bit no in HR Bit value Sensor breakage Default values read Mode switch faulty Mode switch RK2 faulty Mode switch RK3 faulty Unauthorized access Error alarm of a BE WMZ error alarm issued to meter bus WMZ error alarm issued Fault alarm binary output changed 72 EB 5179 EN DO D D2 D3 D4 D5 D D7 08 09 010 011
59. age tank charging pump Storage tank thermostat Heat exchanger charging pump Domestic hot water DHW Circulation pump Flow sensor Flow sensor at storage tank Flow sensor at heat exchanger Flow Meter bus Circulation pump 140 EB 5179 EN InF2 InF3 InFA InF5 InF7 InF8 InF9 PU bIn E Error PA2 PA3 PAS PAZ PA9 Anl Col Co2 Cog CoA CoS 7 Co8 Co9 Heating circuit 1 Heating circuit 2 Heating circuit 3 DHW heating Primary control circuit LON communication Error status register Communication Pump manual level Binary inputs and outputs Error indication Heating circuit 1 Heating circuit 2 Heating circuit 3 DHW heating Capacity flow rate limitation LON communication Communication System Heating circuit 1 Heating circuit 2 Heating circuit 3 DHW heating Separate functions Sensor initialization LON communication Error initialization Communication Fig 10 Level structure Error PU Co9 Co8 Co7 5 Co4 Co3 Co2 Col or Operating level see section 1 for operation or Configuration and parameter level see section 2 for
60. ance heating time is shorter when the outdoor temperature is higher see section 5 7 Room temperature dependent advance heating and deactivation The controller calculates the required advance heating time max 6 hours adapted to the building characteristics resulting in the Day set point rated room temperature being reached in the reference room when the time of use starts The heating is heated with the maximum flow temperature during the advance heating phase As soon as the Day set point is reached weather compensated control starts The controller deactivates the heating in both types of optimization depending on the room sen sors up to two hours before the time of use finishes The controller chooses the deactivation time such that the room temperature does not drop significantly below the desired temperature until the time of use ends During the advance heating period and the premature deactivation of the heating system the icons Xf blink on the display Outside the times of use the controller monitors the Night set point reduced room temperature When the temperature falls below the night set point the controller heats with the max flow temperature until the measured room temperature exceeds the adjusted value by 1 C Note Direct sunshine can cause the room temperature to increase and thus result in the premature de activation of the heating system When the room temperature decreases while the heating system is tem
61. ated and blinks on the display This alarm can be confirmed by opening up 4 gt Fb08 The alarm is automatically reset when the Disinfection temperature is properly reached during the following thermal disinfection cycle 5179 57 Appendix 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 Functions WE Configuration Storage sensor SF1 ON CoA gt Fb00 ON Thermal disinfection OFF CoA gt Fb08 ON B Day of the week 1 7 1 2 7 with 1 7 every day 1 Monday 7 Sunday 70 C Disinfection temperature 60 to 90 C 5 C Charging boost O to 30 C 00 00 Start time 00 00h to 23 30h in steps of 30 minutes 04 00 Stop time 00 00h to 23 30h steps of 30 minutes 58 5179 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 5 gt Fb05 ON 7 2 Frost protection The Frost protecti
62. cation Proceed as follows 2 Switch to configuration and parameter level Display shows PA1 Select configuration level Open configuration level Select function block Activate editing mode for the function block Fb blinks on the display If 0 0 0 0 appears on the display the key number needs to be entered first Refer to section 2 3 1 Activate the function block Fb 2 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 the function block Fb 2 OFF EB 5179 EN 21 Start up Confirm settings I 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 repeat the steps in the fields highlighted in gray Exit configuration level gt Return to the operating level Note The controller automatically returns to the operating level if the keys are left unpressed for two minutes 22 EB 5179 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 th
63. charging pump starts to run 54 5179 EN Appendix When there is no heating operation or when the flow temperature in the system is lower the storage tank charging pump is switched on immediately If storage tank thermostat is used the storage tank charging pump is switched on when the temperature T Charging temperature 5 C is reached at sensor VFS Note The charging temperature VFS is controlled in system Anl 2 by the primary valve In all the other systems Anl 4 5 7 8 and 10 the mixing valve regulates the charging temperature VFS When the Circulations pump function is active the circulation pump remains in operation ac cording to the time schedule The pumps is switched off when this function is deactivated The Mixing valve always active function allows the heat exchanger to maintain the charging temperature using the mixing valve The heat exchanger charging pump remains switched on and the return flow temperature is not limited outside the times of use Stop storage tank charging The controller stops charging the storage tank when the water temperature in the storage tank measured at sensor SF exceeds the temperature T Charging temperature Hysteresis by 0 1 C When there is no heating operation or when the flow temperature demand in the system is lower the corresponding valve is closed The storage tank charging pump is switched off when the charging temperature at sensor VFS has fallen below
64. d time of use must be programmed to identical times The time schedules for the three heating circuits DHW heating and the circulation pump can be read over Modbus Pump circuits are treated as mixer circuits Time schedule Parameter level Icon Heating circuit 1 to 3 PA to M DHW heating PA4 Circulation pump PAA Parameters WE Range of values Period day 1 7 1 7 1 2 3 4 5 6 7 with 1 7 every day 1 Monday 2 Tuesday 7 Sunday Start first time of use 07 00 0 00 to 24 00h in steps of 30 minutes Stop first time of use 12 00 0 00 to 24 00h in steps of 30 minutes Start second time of use 12 00 0 00 to 24 00h in steps of 30 minutes Stop second time of use 22 00 0 00 to 24 00h in steps of 30 minutes Default settings WE valid for heating circuits 1 to 3 Proceed as follows 9102131515 89 20 21 22 2824 gt lt am Ill 1 Chr p di TI Switch to configuration and parameter level Display PA1 Select parameter level Open parameter level Select datapoint for times of use 5179 EN 13 Operation 2 2 4 5 Z 8 9 l011121214151612718192021222924 e 1 O 1 2 3 4 5 9101112 131415161718192021222324 0123456798 9 101112131415161718192021222324 LI
65. ding with 40 to 50 C outdoor temperature Function Configuration Outdoor temperature passed on over AA OFF Cos gt Fb15 ON 7 11 Flow rate capacity limitation over a pulse input Flow rate capacity limitation can be implemented based on a pulse signal There are three different operating situations 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 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 only the Max limit value for the flow rate or capacity can be set 64 5179 EN System wide functions A heat meter with pulse output connected at input Vmax terminal 30 can be used either to limit the system flow rate parameter code U or the system capacity parameter code P The pulse weighting of the heat meter WMZ and the type of limitation selected must be entered The dis played value corresponds to the unit pulse or kWh pulse When the pulse rate reaches the current maximum limit the flow set point of the control circuit RK1 is reduced How strongly the con
66. e Appendix section 12 2 might be available The parameters are grouped by topics Heating circuit 1 PA2 Heating circuit 2 PA3 Heating circuit 3 PA4 DHW heating PA5 System wide parameters Does not exist PAZ LON communication PA8 Does not exist PA9 Communication Proceed as follows Switch to configuration and parameter level Display shows PA1 Select parameter level Open parameter level Select parameter Activate editing mode for the parameter Edit the parameter X ki BS X lt Confirm the parameter setting To adjust additional parameters repeat the steps in the fields highlighted in gray V Exit parameter level gt Return to the operating level Note The controller automatically returns to the operating level if the keys are left unpressed for two minutes EB 5179 EN 23 Start up 2 3 1 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 137 To avoid unauthorized use of the key number remove the page or make the key number unreadable Proceed as follows 0 0 0 O blinks on the display Set valid key number Confirm key number When the correct key number is entered the funct
67. e is above the OT limit Display Appendix Parameter designation Range of values default settings 192021222324 14 28 r 0 OT deactivation value in rated operation O to 90 22 C 1234567 8 9 1011121314151617 18 19 2021 22 23 24 Times of use Freely configurable daily 7 00 to 24 00 h Section 1 6 0123456789 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 7 Public holidays Freely configurable Section 1 6 0123456789 101112131415 16 17 18 19 20 21 22 23 24 22 Vacations Freely configurable Section 1 6 01234567 8 9 101112131415 16 17 18 19 20 21 22 23 24 LUFH Copy times of use of for HK2 Only in systems Anl 1 2 3 5 6 7 8 9 10 EB 5179 EN 111 Appendix Display Parameter designation Range of values default settings 0112334 5 1012131415 181920211222324 LUFH 2 DHW heating Display Copy times of use of HK2 for HK3 Only in systems Anl 3 Parameter designation Range of values default settings 0812157255 0474819102 1514151617 8920 21 22 23 24 HUU il DHW demand ON 20 to 90 C 40 C Systems with a storage sensor SF1 CoA gt Fb02 Fb02 OFF 0 1314151217 2021222322 50 d Hysteresis
68. ed operation 0 42 OT deactivation value in reduced operation 42 OT activation value in rated operation 43 Summermode a 43 Delayed outdoor temperature adaptation 44 Outdoor temperature dependent advance heating 44 5179 3 Contents 5 8 5 7 5 10 5 11 5 12 5 13 5 14 5419 6 1 6 2 6 3 6 3 1 6 3 2 6 4 6 9 7 1 7 2 Za 7 4 74D 7 6 7 7 7 8 rdv 7 10 7 11 7 12 8 1 8 2 8 3 8 4 8 5 4 EB 5179 EN Remote operation 45 Optimization with room sensor 2 0 a 45 Flash adaptation 47 EUER E als 47 Room temperature dependent control 48 Pump management 49 Releasing the heating circuit 50 Position feedback in pre control circuit 50 Functions of the DHW circuit 5 DHW heating in the storage tank charging system 5 DHW heating in the storage tank system 59 Priority s uo s xw mom SEX v 2999995 99 Reverse control 1 55 Set back operation 56 Forced charging of the DHW storage 56 Thermal disinfection of the DHW storage tank 56 System wide functions 58 Automatic summer time winter time changeover 58 Frost protection 58 Forced operation of pumps 58 Return flow
69. elow the numbers 2 3 4 20 to 90 C point 1 65 C point 2 50 C point 3 35 C point 4 20 C 1 ini 45 61708 UIO 222322 200 x p 4 point characteristic Set back difference Varying set back differences can be entered for the second and third points The corresponding point is marked by squares below the numbers 2 and 3 O to 50 C 20 C 01 92 37465 617 8959310112 131415 167 1819 2021 222924 T Maximum flow temperature 20 to 130 C 90 C 0812257255 1514151 41271819 2021222524 i gu 4 a 108 Eb 5179 EN Minimum flow temperature 20 to 130 C 20 C Control according to fixed set point Min return flow temperature Max return flow temperature Display Appendix Parameter designation Range of values default settings 0123456789 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 HH Li b Th Set back difference O to 50 20 C 01234567 8 9 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 eii Day set point 10 to 90 C 20 C 0123456789 10111213141516 17 18 19 20 21 22 23 24 Night set point 10 to 90 C 17 C Optimization 2 3 8 9310 111213 124151417Z181 2021222324 i 4 0 Sustained temperature 10 to 90 C 10 C
70. em Anl 3 OF LLL OTT M iiiie 9 gt lt lt lt RKrw VFsek RKHk1 RKHK2 VF3 AF1 AF2 R Fprim VF1 RF1 UP2 RF2 UP3 BA AE e RK Default setting Col gt Fb00 OFF without Col gt Fb01 OFF without R F1 Col gt Fb02 with Co2 gt Fb00 OFF without RF2 Co2 gt Fb01 OFF without RUF2 Co2 gt Fb02 OFF without AF2 Co5 gt Fb00 with VFsek Co5 gt with R Fprim Only for optimization and temperature reading EB 5179 EN 31 Systems System Anl 4 2 gt lt eR Oe TER E RKEW VFsek RKHK1 RKrw R FTW VFS Hd AF1 R Fprim VF1 RF1 TLP SLP ZP SFI 11 n AE RK Default setting Col gt 500 OFF without RF1 Col gt Fb01 OFF without RUF1 Col gt 2 ON with AF1 Co4 gt Fb00 with SF1 Co4 gt Fb01 with SF2 CoA gt 2 OFF without ROFTW CoA gt with VFS with Co5 gt FbOO ON with VFsek Co5 gt Fb01 ON with R Fprim Set CoA gt Fb11 ON if the instrumentation represented by the broken line is required 32 5179 EN Systems System Anl 5 jtd dr Tj Iis RKFw VFse
71. ensor gt Press enter key to confirm The set point is displayed Control signal for continuous action control Only with CoA gt Fb14 ON Time Times of use for DHW demand X Press enter key The times of use for Monday 1 are shown IY Press the arrow key to view times of use of the other days of the week Times of use for circulation pump X Press enter key The times of use for Monday 1 are shown Y Press enter key Press the arrow key to view times of use of the other days of the week Inf5 District heating circuit Display Appendix Parameter designation 0123456789 10111213141516 17 18 19 20 21 22 23 24 n Charging temperature K Press enter key to confirm The set point is displayed 0123456789 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 A Return flow temperature at sensor R F or R Fprim K Press enter key to confirm The set point is displayed 1202222524 Valve position Only with Co5 gt Fb16 ON EB 5179 125 Appendix InF7 LON communication Display Parameter designation 0123456789 1011121314 15 16 17 18 19 20 21 22 23 24 74 02 Connected controller e g a TROVIS 5174 with LON address 2 Press enter key FSr of the corresponding controll
72. entiometer input OFF Col 2 3 gt Fb12 ON Valve position feedback Release HK Pump management OFF All 0 to 1000 0 1000 additional resistor required Col 2 3 gt Fb12 OFF RK released with binary signal FrG E Released over bin signal potentiometer FrG A Released over time schedule Configuration acc to input Input freely available Option With FrG A RLG FREE Col 2 gt Fb13 ON BA 2 4 OFF outside time of use Col 2 gt Fb13 OFF BA 2 4 ON outside time of use Continuous action control for heating circuit OFF All Col 2 3 gt Fb14 ON Continuous action control 0 to 10 V Function block parameters proportional gain 0 1 to 50 0 0 5 Tn reset time 1 to 999 s 200 s Tv derivative action time O to 999 s O s Three step control for heating circuit ON All Col 2 3 gt Fb15 ON Three step control Function block parameters proportional gain 0 1 to 50 0 0 5 Tn reset time 1 to 999 s 200 s valve transit time 15 to 240 s 120 s UP lag time 120 to 1200 s 240 s Col 2 3 gt Fb15 OFF On off control Function block parameters Hysteresis 1 to 30 C 5 C Min activation time O to 600 s 120 s Min deactivation time O to 600 s 120 s UP lag time 120 to 1200 s 240 s Parameter optimization OFF 6 9 Col 2 3 gt Fb16 ON Automatic parameter optimizatio
73. ep control can be configured separately for individual heating circuits for the DHW heating and for the pre control circuit Functions WE Configuration Three step control ON Col 2 3 gt Fb15 ON for heating circuit 05 Kp proportional gain 0 1 to 50 0 200s Ty reset time 1 to 999 s 120s transit time 15 30 240 s 240s lag time 120 to 1200 s Three step control ON CoA gt Fb0 ON for DHW heating r5 Kp proportional gain 0 1 to 50 0 2005 reset time 1 to 999 s 120 Ty transit time 15 30 120 Three step control ON Co5 gt Fb14 ON for pre control circuit 0 5 Kp proportional gain 0 1 to 50 0 2005 reset time 1 to 999 s 120 Ty transit time 15 30 240 s No further pulses are issued at the three step outputs when the control signal deactivation func tion is activated when the total of the timing pulses uninterrupted in one direction is larger than three times the control valve transit time Ty In this case it can be assumed that the control valve is either completely open or completely closed other signals do not cause any changes in the control valve Function WE Configuration Control signal deactivation OFF 5 gt Fb18 ON 62 5179 EN System wide functions 7 8 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 2 0 5
74. er is displayed Inf8 Error status register sensor failure Display Parameter designation 012345678 9101112131415161718192021222324 ERR d Error status register FSr 1 X Press enter key FSr 2 appears 126 5179 EN Sensor failure The affected sensors are marked with a square below their assigned number O 1 RUF1 2 3 A VF2 5 R F2 6 AF2 7 RF2 8 VF3 9 RUF3 10 AF3 11 RF3 12 FG1 13 FG2_FGprim 14 15 VFprim 16 17 VFT 18 RUFTW 19 SF1 20 SF2 21 VFS 22 flow rate Appendix InF9 Communication only with Co9 gt FbO1 Co gt Fb06 ON or Co gt Fb10 ON In the main display loop the connection status appears in the InF9 level and only exists when the modem SMS or fax function is active otherwise just END appears on the display In this display the applicable status from the following list of states appears when a modem connection is established PAUSE Device start not yet initialized dialing interval INIT Modem has been initialized FREE No connection established modem is ready RING Modem has been dialed connection has not yet been established CALL Modem is dialing the control station CONN Connection to control station is established ENDE Disconnection taking place With Fax function setting GENG3 00
75. eration exceeds the limit OT deactivation value in re duced operation the affected heating circuit is put out of service immediately The valve is closed and the pump is switched off after t 2 x Valve transit time EB 5179 EN 43 Functions of the heating circuit 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 10 C to save energy Nevertheless remember that the system requires some time in the morning to heat up the building Outdoor temperature dependent advance heating section 5 7 Parameter WE Parameter level Range of values OT deactivation value 10 C 1 2 3 10 50 in reduced operation 5 5 3 OT activation value in rated operation If a heating circuit is in reduced operation automatic mode the circuit is automatically trans ferred to rated operation when the outdoor temperature falls below the limit OT activation value in rated operation When the limit value is exceeded plus 0 5 C hysteresis reduced operation is restarted This function is activated at very low temperatures to avoid the building cooling down exces sively outside the times of use when low outdoor temperatures occur Parameter WE Parameter level Range of values OT activation value 15 C PAI 2 3 30 to 50 C in rated operation 5 5
76. erature point 2 20 to 130 C Flow temperature point 3 130 C Flow temperature point 4 20 to 130 C Return flow temperature point 1 740 G Return flow temperature point 2 20 to 90 C Return flow temperature point 3 20 to 90 Return flow temperature point 4 20 to 90 C Set back temperature point 2 0 to 50 C Set back temperature point 3 0 to 50 C Doy set point 10016295 Night set point 10 to 90 C Sustained temperature o C Maximum return flow temperature 20 to 90 C Minimum return flow temperature 20 to 90 C OT activation value rated operation 30 to 50 C OT deactivation value 10 SOC reduced operation OT deactivation value 0 to 90 C rated operation EB 5179 131 Appendix Parameters PA1 PA2 PA3 Range of values Times of use Monday Start Stop 1 00 00 to 24 00 h Monday Start Stop 2 00 00 to 24 00 h Tuesday Start Stop 1 00 00 to 24 00 h Tuesday Start Stop 2 00 00 to 24 00 h Wednesday Start Stop 1 00 00 to 24 00 h Wednesday Start Stop 2 00 00 to 24 00 h Thursday Start Stop 1 00 00 to 24 00 h Thursday Start Stop 2 00 00 to 24 00 h Friday Start Stop 1 00 00 to 24 00 h Friday Start Stop 2 00 00 to 24 00 h Saturday Start Stop 1 00 00 to 24 00 h Saturday Start Stop 2 00 00 to 24 00 h
77. es DHW demand ON 40 PAA 7 20 to 90 C DHW demand OFF 45 C PA4 2016 90 C Charging temperature 55 PA4 2010 90 C Heat exchanger charging pump 50 4 20 to 90 C deactivation limit Storage tank charging pump 50 PAA 201090 CG deactivation limit Maximum charging temperature 120 C PAA 20 to 120 C 6 2 DHW heating in the storage tank system SLP SF1 VFS Storage tank charging pump Storage sensor 1 Flow sensor Circulation pump Cold water Domestic hot water DHW Flow Return flow Fig DHW heating in storage tank system applies to systems Anl 4 5 7 8 9 and 10 Anl 2 without three way valve Start storage tank charging The controller can be reconfigured for all systems with DHW heating to control a DHW storage tank with heating register storage tank system The controller switches the storage tank charging pump SLP on and off and controls the mixing valve for the DHW circuit A mixing valve in the DHW circuit does not exist in system Anl 2 The sensor VFS is connected to terminal 28 and the storage tank charging pump to terminal 45 The controller starts the storage tank charging when the water temperature measured at sensor SF1 falls below the DHW demand ON by 0 1 If the flow temperature in the system is higher than the required charging temperature the controller attempts to reduce it in the heating circuit for maximum three minutes before the storage tank
78. flow rate of the DHW heating 0 01 to 99 9 m h 9 m3 h 01 2 314 5 6 Z 8 91101 1218 14 15 1617 1819 20212223 24 5 201 V Minimum flow rate creep limitation 0 01 to 99 9 m h 0 01 m h 0123456789 1011 12 13 14 15 16 17 18 19 20 21 22 23 24 5 IL Proportional action coefficient for the limitation 0 1 to 10 1 0 EB 5179 117 Appendix Display Parameter designation Range of values default settings 2 51415 8902131415161 18 19 202 222324 Pd m3 h kw A point characteristic Press key to adjust the following parameters outdoor temperature return flow temperature see page 108 maximum flow rate or maximum capacity 0 B 3145161728 9101102 1314151617 18 1202 222324 150 E E 4 point characteristic Point 1 Outdoor temperature Outdoor temperatures of the points 2 3 4 are marked by squares below the numbers 2 3 4 30 to 90 C point 1 15 C point 2 5 C point 5 C point 4 15 C 0 314 56 9 19 2021 0222324 900 o 4 characteristic Point 1 Maximum limit of the flow rate Limits of the points 2 3 4 are marked by squares below the num bers 2 3 4 0 01 to 99 9 m3 h point 1 to point 4 9 m h 0 x 31455 6128 8 12 2021222327 500 PE 4 characteristic Point
79. ge of values default setting 00 Modbus ON 9 gt FBOO ON Modbus active 01 Modem OFF 9 gt FBO1 ON Modem active 02 Modem dialing OFF CO9 gt FB02 ON Pulse dialing mode CO gt FBO2 OFF Tone dialing 03 Lock dial up OFF CO gt FB03 ON No dial up in case of fault 04 Modbus 16 bit OFF CO9 gt Fb04 ON 16 bit addressing addressing CO gt Fb04 OFF 8 bit addressing 05 Reserved 06 Text message alarm OFF 9 gt FBO ON Fault alarm sent to mobile phone 07 Text message OFF 9 gt FB07 ON Pulse dialing dialing mode CO gt FBO7 OFF Tone dialing 10 Fax alarm OFF 9 gt FB10 ON Alarm sent to fax 11 Fox dialing mode OFF 9 gt FB11 ON Pulse dialing CO9 gt FB11 OFF Tone dialing EB 5179 105 Appendix Comments FB Function WE Function block parameters Range of values default setting 21 Meter bus 1 OFF CO gt Fb21 22 23 ON Function block parameters to to Meter bus address WMZ O to 255 255 23 Meter bus 3 Model code WMZ P15 PS2 1434 CAL3 APAIO SLS 1434 Reading mode WMZ 24h con Coil con Fb Function block WE Default setting 106 Eb 5179 EN 12 2 Parameter list Appendix PA1 to PA3 Heating circuits HK1 to HK3 Display Parameter designation Range of values default settings 0123456789 1011 12 13 14 15 16 17 18 19
80. gt Switch to configuration and parameter level Display shows PA1 Vv Select level k Open level Display shows Select function block Fb23 x Confirm selection Display shows 0 0 0 0 Enter and confirm key number Fb23 blinks on the display Activate editing mode for function block Activate function block Start sensor calibration Select the function block for the sensor that you want to calibrate The function blocks FbO1 to Fb17 correspond to the inputs in the terminal wiring plan page 92 onwards e g Fb02 BE2 Activate editing mode for function block Fb blinks on the display x Display measured value Activate editing mode for measured value Measured value blinks on the display Correct measured temperature Read the actual temperature directly from the ther mometer at the point of measurement and enter this value as the reference tempera ture Confirm corrected measured temperature Additional sensors are calibrated similarly Select End x Exit configuration level gt Return to the operating level 5179 EN 25 Start up Note The sensor values adjusted are not reset by the Loading default settings function 2 6 Resetting to default values All parameters and function blocks from any para
81. gured 5179 EN 51 Functions of the DHW circuit Functions of the DHW circuit 6 1 DHW heating in the storage tank charging system TLP Heat exchanger charging pump TW VFS VFT Flow sensors VFT SLP Storage tank charging pump Storage sensor 1 SF2 Storage sensor 2 ZP Circulation pump TW DHW KW Cold 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 DHW demand ON 0 1 C If the flow temperature in the system is higher than the required charging temperature the controller attempts to reduce it in the heat ing circuit for maximum 3 minutes before the heat exchanger pump together with the storage tank charging pump start to run When there is no heating operation or when the flow temperature in the system is lower the heat exchanger charging pump is switched on immediately The storage tank charging pump is switched on when the temperature currently measured at storage sensor VFT has reached the temperature measured at sensor SF1 If a storage tank thermostat is used the storage tank charging pump is switched on when the temperature T Charging temperature 5 C is reached at sensor VFT Note The charging temperature VFT is regulated by the primary valve in system Anl 2 In systems Anl 4 5 and 10 the charging temperature VFT is
82. he 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 leased line modem at the RS 232 C system bus interface Communication is established via a permanent connection between two leased line modems This setup is applied for long distance transmissions or when different signal level converters are used The connection between controller and modem can also be established via the mo dem connecting cable 1400 7139 Operation at a four wire bus To establish the link between controller and bus line the signal level needs to be converted by a converter SAMSON s cable converter 1400 7308 Fig 7 Network structure The TROVIS 5179 District Heating Controller is fitted with a Modbus interface RS 232 Op tionally a cable converter for four wire bus 1400 7308 is available 76 5179 EN Communication GND TD DCD RD RTS Fig 8 Pin assignment of RJ 12 system bus interface 9 1 RS 232 C system bus interface The system bus connection is located at the back of the 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 if the control ler is to be connected to the telecommunications network In this case the controller works au
83. iately appears on the display Press the enter key to open the error level It may be possible to view several error alarms by pressing the enter key As long as an error alarm is present the error level appears in the display loop even though it has not been opened by pressing the enter key In the error level the controller indicates a defective sensor by displaying the corresponding sensor combination A fault is displayed as specified in the list below 8 1 Error list sensor failure ERR 1 Sensor broken in RK1 in connection with the corresponding sensor icon ERR 2 Sensor broken in RK2 in connection with the corresponding sensor icon ERR Sensor broken in in connection with the corresponding sensor icon ERR 4 Sensor broken DHW circuit in connection with the sensor icon ERR 5 Sensor broken in primary circuit in connection with the sensor icon ERR 1 Standard data entered again default settings ERR 2 Final temperature of the thermal disinfection not reached ERR 3 Mode selector switch 1 defective ERR 4 Mode selector switch 2 defective ERR 5 Mode selector switch 3 defective ERR 10 Temperature limitation of DHW heat exchanger active In the error level ERR1 to ERR5 on the display indicates the sensor failures as per the error list Detailed information over a sensor failure can be retrieved within the information level by poll ing individual temperatures each sensor icon displayed together with indicates
84. ion block that is to be changed blinks on the display On entering an incorrect key number the controllers switches to the next configuration level The key number remains active for approx 10 minutes 2 4 Configuring universal inputs The connected sensors are calibrated in Co configuration level The following applies gt ON Pt 100 Pt 1000 sensors default setting gt FbOO OFF Pt 100 PTC sensors The resistance values of the sensors can be found on page 128 Each universal input can be configured separately The following inputs Ni 200 1000 PTC NTC Pt 100 1000 0 4 20 mA 0 10 V can be configured as function block parameters The function blocks 01 to 17 correspond to the binary inputs to BE17 in the terminal wiring plan page 92 onwards The function block for the required sensor is activated and the function block parameter selected which corresponds to the type of input signal 2 5 Calibrating sensors 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 24 EB 5179 EN Start up erence temperature measured directly at the point of measurement Sensor calibration is to be activated in Co via function block Fb23 Proceed as follows
85. ivate priority in case of deviation O to 30 C Note The priority operation is deactivated with the setting Co4 gt FbO OFF and Activate priority in case of deviation 0 6 4 Forced charging of the DHW storage tank 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 the time of use of the heating circuits starts For the individual controller this means that storage tank charging is activated when the water temperature in the storage tank falls below the adjusted deactivation value of T DHW demand ON Hysteresis The forced charging of the storage tank does not take place when the DHW circuit is not activated at the beginning of the time of use set for the heating circuit s Note This function is not available when a storage tank thermostat is used 6 5 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 1 to 7 or every day 0 The storage tank is heated up to the adjusted Disinfec tion temperature The charging set point is always higher than the Disinfection temperature by the value in Charging boost Disinfection begins at the adjusted Start time and at the latest ends at the specified Stop time When the Disinfection temperature has not been reached at the end of the thermal disinfection cycle an ERR 2 alarm is gener
86. k UP2 RKrw VFS SF2 AF1 R Fprim VFI RFI VF2 TLP SLP ZP SF1 lH BA AE RK Default setting Col gt FbOO OFF without RF1 Col gt Fb01 OFF without RUF1 Col gt 2 ON with AF1 Co4 gt FbOO with SF1 CoA gt Fb01 with SF2 CoA gt 2 OFF without RUFTW CoA gt with VFS with Co5 gt FbOO ON with VFsek Co5 gt Fb01 with R Fprim Only for optimization and temperature reading Set CoA gt Fb11 ON if the instrumentation represented by the broken line is required EB 5179 EN 33 Systems System Anl 6 po um UP2 VF2 UP3 RUF3 AF1 AF2 AF3 VFsek UP RKHK2 RF2 RKHK3 RF3 BE BA AE RK Default setting Col gt FbOO OFF without RF1 Col gt Fb01 OFF without RUF1 Col gt Fb02 with Co2 gt OFF without RF2 Co2 gt Fb01 OFF without RUF2 Co2 Fb02 OFF without AF2 Co3 gt FbOO OFF without RF3 Co3 gt Fb01 OFF without RUF3 Co3 gt Fb02 OFF without AF3 Co5 gt Fb00 with VFsek 34 EB 5179 EN System Anl 7 Systems a gt lt pu wo d RKTw RKHK1 RUF 1 VFT VFS SF2 SFI RKrw R Fprim VFI RF
87. lay Parameter designation Range of values default settings 0 5746516 Z 8121012 1314151618 192021222524 5 200 4 bd Minimum return flow temperature 20 to 90 C 20 C Only with Co5 gt ON select steig Control according to fixed set point Min return flow temperature Max return flow temperature 8 2022212824 P 500 Maximum capacity of the entire system 0 1 to 5999 kW 50 kw omi BEAS 8910112131415 16 1815 2032 22 23 24 P 5L Maximum capacity of the heating 0 1 to 5999 kW 50 kw 0123456789 10111213141516 17 18 19 20 21 22 23 24 P huu Maximum capacity of the DHW heating 0 1 to 5999 kW 50 kw 0123456789 10111213714 15 16 17 18 19 2021 2223 24 P dl 116 5179 EN Proportional action coefficient for the limitation 0 1 to 10 1 0 Display Appendix Parameter designation Range of values default settings 5 891021314 89 21 22123 24 HL V 2 Maximum flow rate of the entire system 0 01 to 99 9 m h 9 m3 h 081823545 612 89 ol 2921222324 5 gH V Va T Maximum flow rate of the heating 0 01 to 99 9 m h 9 m3 h 5 6 2021222324 E gui l V Maximum
88. ll 2 3 gt Fb05 ON Option Activation according to outdoor temperature set back acc to time schedule 2 Activation according to outdoor temperature set back acc to room sensor 3 Activation and deactivation acc to room sensor Function block parameters Advance heating time 0 to 360 min 120 min Option 2 and 3 only with Col 2 3 Fb00 ON 06 Room temperature OFF 6 9 Col 2 3 gt Fb06 ON Room temperature dependent con dependent control trol active 07 Adaptation OFF Not 1 2 3 gt Fb07 ON Adaptation active only with 3 5 8 Col 2 3 gt Fb00 ON and Col 2 3 gt Fb10 OFF 08 Flash adaptation OFF Not 3 Col 2 3 gt Fb08 ON Flash adaptation active 5 8 only with Col 2 3 gt Fb00 ON EB 5179 EN 97 Appendix Comments Fb Function WE Anl Function block parameters Range of values default settings 09 RK switched off OFF All Col 2 3 gt Fb09 ON UP still runs until 1 x Ty when switch at The flow sensor is no longer be read MAN CLOSED 10 4 point character OFF Not Col 2 3 gt Fb10 ON 4 point characteristic istic A 7 Col 2 3 gt Fb10 OFF Gradient characteristic 11 Summer mode All Col 2 3 gt Fb11 ON Function block parameters Start summer mode 01 01 to 31 12 01 05 End summer mode 201 01 to 31 12 30 09 Outdoor temp limit for summer mode 0 to 30 C 18 C 12 Pot
89. ller housing Wall mounting Oo c 2 5 s S S Fig 9 Installation 5179 EN 89 11 Electrical connection N Caution For electrical installation you are required to observe the relevant electrotechnical regulations of 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
90. llustrated in the corre sponding connection diagram page 92 to 96 Wiring plan legend page 92 to 96 AA Analog output O to 10 V VFS Flow sensor in storage tank AE Analog input O to 10 V VFT Flow sensor in heat exchanger BA Binary output GND Ground UP HK1 ON OFF GWx Limit alarm to terminal x UP HK1 Speed reduced GWY Limit alarm to terminal BA3 UP HK2 ON OFF ZB Meter bus BAA UP HK2 Speed reduced HK Heating circuit BE V Binary input for flow rate FW District heating circuit AF Outdoor sensor TW DHW circuit FG Potentiometer terminal 3 at Type 5244 SLP Storage tank charging pump RF Room sensor terminal 1 at Type 5244 Heat exchanger charging pump R F Return flow sensor UP Circulation pump SF Storage tank sensor ZP Circulation pump 1 Storage tank ON 2 Storage tank OFF STh Storage tank thermostat Option T 5244 or 5257 5 a VE Elowsensor Terminal base of room panel is illustrated 5179 EN 91 System Anl 1 ZB 15V 49 ZB GND 8 ZB 92 EB 5179 EN System Anl 3 Option Type 5244 Type 5257 5 ZB 15V 49 ZB GND BA7 49 7B 3 V pas BA11 BA12 BA13 BA14 BA15 o o o je e v e z s u u e Bp 9
91. lt with in section 4 Available controller 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 The system code number is set in the configuration level Proceed as follows Switch to configuration and parameter level Display shows PAT j Select Anl on the display Activate editing mode for the system code number Anl blinks on the display Edit system code number Confirm system code number Display shows Co1 gt Return to the operating level Note The controller automatically returns to the operating level if the keys are left unpressed for two minutes 20 5179 EN Start up 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 For more details on function blocks refer to section 12 1 The functions are grouped by topics Col Coz Co3 CoA Co7 Co8 Co9 Heating circuit 1 Heating circuit 2 Heating circuit 3 DHW heating System wide functions Sensor initialization LON communication Error initialization Communi
92. ly downstream of the heat exchanger serves as the sensor for the primary valve The Boost parameter improves the control performance of the connected heating circuit valves and compensates for any loss in capacity If an internal heating circuit has the highest set point the primary valve regulates the tempera ture at the flow collector to the set point of the heating circuit plus Boost The set point in the heating circuit is regulated by the mixing valve of the heating circuit In InF5 level the set point of the primary valve appears on the display in this case Note In systems Anl and 9 the external demand is only sent and not processed Functions WE Configuration Flow sensor secondary VFsek ON Cod gt 00 ON External demand OFF 5 gt 13 ON O Boost 0 to 30 C LON active OFF 7 gt Fb00 ON Controller as master controller OFF 7 gt Fb01 ON 5179 EN 85 Communication Note In controllers with a firmware version lower than 1 05 the master controller receives the Subnet address and node address 1 and is the decisive controller in LON network terms It is the only controller that can send alarms over a modem 9 7 Sending outdoor temperatures and controller time Two outdoor temperatures and the controller time can be sent over the LON bus which are taken on by all the other controllers Any controller in the system can send these data Either all the data can be sent by one contr
93. ments Fb Function WE Anl Function block parameters Range of values default setting O9 Pulse input for flow OFF Not Co5 gt Fb09 ON Type of limitation rate or capacity 6 9 Option U Flow rate limitation P Capacity limitation limitation CONST Limitation constant A Pt Limitation acc to 4 point characteristic Function block parameter Pulse weighting 0 1 to 10 10 Note Can only be changed after entering key number Locking manual OFF 5 gt Fb10 ON Manual intervention not possible and levels parameters cannot be changed Note Can only be changed after entering key number 11 Limit monitoring of OFF All Co5 gt Fb11 ON Function block parameters a selected sensor Terminal number input x Upper lower limit Signal edge binary output FSr A FSr E Status alarm to error status register OFF ON BA ON BA OFF Setting not setting the binary input FALL steig Negative signal edge increasing signal edge 12 Limit monitoring of OFF All Co5 gt Fb12 ON Function block parameters 13 a selected sensor input y External demand OFF Terminal number Upper lower limit Signal edge binary output FSr A FSr E Status alarm to error status register OFF ON BA ON BA OFF Setting not setting the binary input FALL steig Negative signal edge increasing signal edge Co5 gt Fb13 ON The highest set point is passed on only with FbOO ON possible in systems Anl 6 and 9 FbOO OFF
94. meter level can be reset to their default set tings WE Proceed as follows Reset to default settings Function blocks and parameters are reset to their default settings WE Note When the key number is active the function blocks protected by the key number are also reset to their default settings The controller is ready for operation with its default settings You just need to set the correct date and current time 26 5179 EN Manual operation 3 Manual operation Switch to manual mode to configure all outputs see wiring diagram in section 11 Proceed as follows Position all selector mode switches to 0 or Select PU pump manual level gt Open pump manual level Select pump to PUS PU2 BAI3 PUA BA14 5 Confirm pump selection The display blinks Activate output di Deactivate output v Confirm setting The modified values remain active as long as the controller is in manual mode Move slide switch from O or Exit manual level Note In manual mode frost protection is not guaranteed EB 5179 EN 27 Systems 4 Systems There are 10 hydraulic schematics System code number Anl 2 3 4 5 7 8 9 10 Heqting Outdoor tempera
95. mpts have failed the district heating controller dials up the alternative recipient Resetting of triggered call Reading the error status register HR 40060 Phone number of control station tELno Enter the phone number of the control system modem 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 22 characters Example 069 2 sec pause 4009 1 sec pause 0 069PPA009PO 211 characters Phone number of the alternative recipient rESno Enter the phone number of the alternative recipient including the dialing code if necessary Short pauses between the numbers can be entered using P 2 1 second the end of the string is to be marked by The phone number may include a maximum of 22 characters Example 069 1 sec pause 654321 069 P 54321 10 characters Common modem settings are EO Echo off QO Enable result codes X3 Dial without checking for dial tone CO Data compression off NI Buffer off fault correction off V Result codes in text format B 9600 Baud rate 9600 N VO Standard connect result codes Resetting to default settings A modem can be reset to its default settings directly at the controller using the key number Key number Command 44 AT amp F amp W lt CR gt lt LF gt 45 AT amp F amp W ATX3 CR lt LF gt
96. n Ke Tn Ty 98 5179 EN Appendix Comments Fb Function WE Anl Function block parameters Range of values default settings 17 sensor OFF OFF 6 9 2 3 gt Fb17 ON Deactivate flow sensor with room tempera ture dependent control 18 Differential temper OFF 1 2 3 gt Fb18 ON Only for mixer circuits ature control using variable weighting factors Function block parameters Proportional gain Kp 0 1 to 999 0 5 Reset time T 1 to 999 s 200 5 Intended temp difference 0 to 40 C 20 C Analog value max 0 to 100 90 9 Analog value to 100 30 Fb Function block WE Default setting Co4 DHW heating Comments Fb Function WE Anl Function block parameters Range of values default setting 00 Storage tank sensor ON Not 4 gt Fb00 OFF only with storage tank thermostat SF1 1 3 6 4 gt Fb00 OFF and Co4 gt Fb01 OFF Storage tank sensor ON Not 4 gt Fb01 ON 2 storage tank sensors SF1 and SF2 SF2 1 Co4 gt Fb01 OFF 1 storage tank sensor SF1 or with gt Fb00 OFF Storage tank thermostat 02 Return flow sensor OFF Not Co4 gt Fb02 ON Return flow sensor DHW circuit active DHW circuit 1 2 Function block parameters 3 6 Limitation factor 0 to 25 5 1 0 Note Can only be changed after entering the key number 03 Flow sensor ON Not
97. n the table for Pt 1000 resistors and divide the values by 10 Type 5225 Outdoor Temperature Sensor Types 5204 5205 46 to 48 Flow and Return Flow Temperature Sensors Types 5205 46 to 48 Storage Tank Temperature Sensors Type 5255 Room Temperature Sensor 128 5179 EN Appendix 12 5 Technical data Inputs Sensor inputs Max 17 configurable inputs for temperature sensors Pt 100 Pr 1000 Ni 200 Ni 1000 und PTC NTC 0 10 V 0 4 20 mA or binary alarms heating DHW circuit 5 flow temperature sensors 2 outdoor temperature sensors 2 return flow temperature sensors 2 room temperature sensors 2 storage tank temperature sensors Binary inputs Storage tank thermostat Other inputs Pulse counter input for flow rate or capacity limitation Inputs for valve position feedback remote operation to correct the room temperature and to select the operating mode Outputs Analog output 3 outputs Control signal y 0 to 10 V load gt 4 7 Three step signal 230 V 2 A On off signal 230 V 2 A Binary outputs 5 outputs to control pumps 230 V 3 A 4 outputs for alarms max 50 V DC 100 mA Operating voltage 230 V 48 to 62 Hz 8 VA Interface RS 232 for connection to a modem interface for meter bus LON free topology Ambient temperature O to 40 C Storage temperature 20 to 60 C Degree of protection IP 40 according to IEC 529 Class of protection Il according t
98. ng Heating circuit 2 Pre control circuit 9 Heating circuit 1 DHW heating Heating circuit 2 10 Heating circuit 1 DHW heating Heating circuit 2 1 2 Operating modes Day mode rated operation X Regardless of the programmed times of use and summer mode the set points relevant for rated operation are used by the controller Night mode reduced operation Regardless of the programmed times of use the set points relevant for reduced operation are used by the controller Automatic mode 2 During the programmed times of use the controller works in rated operation Outside these times of use 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 8 EB 5179 EN 1 3 Display Operation During operation the display indicates the current time as well as information about the opera tion of the 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 The controller status can be displayed in the operating level InF level section 1 4 N O OAK O NN Automatic operation 2 Day mode rated operation Night mode reduced operation Vacation mode Public holiday mode Frost protection
99. nl 2 or the mixing valve in the DHW circuit are sent pulse signals until the heot exchanger charging temperature on the primary side at sensor VFT has fallen below the Heat exchanger charging pump deactivation limit The heat exchanger charging pump is switched off according to the time schedule and depend ing on the temperature When the flow set point of the primary heating circuit is lower than the Heat exchanger charging pump deactivation limit the heat exchanger charging pump TLP is first switched off when the primary heat exchanger charging temperature at sensor VFT has dropped to the same level as the flow set point of the primary heating circuit The heat exchanger charging pump is switched off at the latest after t 2 x Transit time of the primary valve The storage tank charging pump SLP is switched off after t 2 x Transit time of the primary valve or when the storage tank charging temperature in the secondary circuit at sensor VFS has fallen below the Storage tank charging pump deactivation limit The circulation pump is switched on and off according to a time schedule Functions WE Configuration Storage sensor SF1 ON 4 gt 00 Storage sensor SF2 ON Co4 gt Fb01 ON Flow sensor VFS ON 4 Circulation pump OFF 4 gt Fb04 Storage tank system OFF _ 4 gt 10 Mixing valve always active OFF Cod4 gt Fbl1 5179 53 Appendix Parameters WE Parameter level Range of valu
100. nstalled 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 78 EB5179 EN Communication Functions WE Configuration Modbus ON Co gt 00 ON Modem OFF Co gt Fb01 OFF Modbus 16 bit addressing OFF Co gt Fb04 Parameters WE Parameter level Range of values Station address ST NR 255 9 1 to 247 1 to 999 with Co gt Fb04 ON Baud rate BAUD 9600 300 to 19200 Section 9 3 Description of communication parameters to be adjusted 9 3 Description of communication parameters to be adjusted Station address ST NR This address is used to identify the district heating controller in bus or modem mode In a system each controller needs to be assigned a unique address Baud rate BAUD In a bus system the baud rate refers to the transfer speed between control system and district heating controller In modem mode baud rate refers to the transfer speed between district heat ing controller and modem The baud rate adjusted at the district heating controller must correspond with the baud rate of the control system otherwise communication cannot be established Cyclic initialization I This parameter defines the period of time for a cyclical issue of the initialization command ATZ
101. ntrol OFF Col 2 3 gt Fb06 ON Parameter optimization OFF Col 2 3 gt Fb16 Flow sensor OFF when room temperature OFF Col 2 3 gt Fb17 dependent control is used 5 13 Pump management To control the circulation pumps for the heating circuits UP1 and UP2 reed relay outputs can be used instead of the relay output Depending on the operating state the circulation pumps run during the times of use regulated depending on the differential pressure The differential pres sure is regulated by the pumps Outside the times of use the circulation pumps are switched back to the minimum speed The binary outputs BA1 to BA4 have the following function BA1 BA3 Circulation pump on and off BA2 BA4 Reduce pump speed Ifthe circulation pump is to be switched on the contact of BA1 or BA3 is closed The binary out puts BA2 and BA4 can be configured over the function blocks Co1 2 gt Fb13 Col 2 gt Fb13 ON BA2 BA4 OFF outside the time of use Col 2 gt Fb13 OFF 2 ON outside the time of use Function WE Configuration Pump management OFF Col 2 gt Fb13 Note Refer to the pump manufacturer instructions for the exact terminal assignments of pumps since the terminal assignments vary depending on the pump In systems Anl 3 5 8 and 10 the pumps of an uncontrolled heating circuit can be switched on and off over an external binary signal For this purpose deactivate the Potentiometer function Co to Co3
102. ntrol and Set back operation 6 3 1 Reverse control In all systems with DHW heating and at least one heating circuit with a control valve the DHW heating can be given priority by applying a reverse control With the setting CoA gt Fb0 ON the charging temperature can be monitored If the temperature also falls below the charg ing temperature after the time period set in function block FbO7 has elapsed the heating circuit is closed and the set point remains the same Which circuit is closed depends on how the system Anl is configured Anl 2 Heating circuit with the highest flow set point Anl 4 Heating circuit Anl 5 Heating circuit 1 Switching off the pump heating circuit with CoA gt FbO5 possible Anl 7 Pre control circuit of heating Anl 8 Pre control circuit of heating Anl 9 Heating circuit 1 Anl 10 Both heating circuits Functions WE Configuration Reverse control ON CoA gt Fb0 ON Time until reverse control ON CoA gt FbO7 Cod gt Fb07 ON 2 minutes CoA gt Fb07 OFF 10 minutes 56 EB 5179 EN Appendix 6 3 2 Set back operation In all systems with DHW heating and at least one heating circuit with control valve DHW heat ing can be given priority by applying set back operation The charging temperature can be monitored with the setting Co4 gt FbO OFF and Activate priority in case of deviation gt Function WE Configuration Reverse control ON 4 gt Fb06 OFF Act
103. o ea XU a e OX 83 9 6 Requesting processing an external demand 84 9 7 Sending outdoor temperatures and controller time 85 10 Installation 2 2 87 11 Electrical connection 2 2 aaa 89 12 96 12 1 Function block lists a 4 vob om 99 o Xue a 96 12 2 Parameter list w 404 Y 9 X 3 X AURORA 107 12 9 Display 3 22 121 12 4 Sensor resistance tables 128 12 5 Technicabdald s 129 12 6 Customer data 130 5179 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 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 gt e ok v EN EN 6 X m EB 5179 EN Changeover key Press to switch between operating level and configuration parameter level Reset key Press to reset accessible parameters to their default settings the controller must be in the parameter level Arrow keys To scroll within levels To change values Enter key To access levels Access parameters and functions to edit them Confirm settings Display set points in info level
104. o VDE 0106 Degree of contamination 2 according to VDE 0110 Overvoltage category ll 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 EB 5179 129 Appendix 12 6 Customer data Station Operator Relevant SAMSON office System code number Function block settings in configuration levels Col Co2 Co3 CoA Co5 Co Co8 Co9 Fb00 Fb01 Fb02 Fb03 Fb04 Fb05 Fb0 Fb07 Fb08 Fb09 Fb10 Fb11 Fb12 Fb13 Fb14 Fb15 Fb16 Fb17 Fb18 Fb19 Fb20 Fb21 Fb22 Fb23 130 Eb 5179 EN PA1 to Heating circuits HK1 to HK3 Appendix Parameters 2 Range of values Gradient flow 0 4 to 3 2 Level flow 30 To 30 C Maximum flow temperature 20 to 130 C Minimum flow temperature 740 150 C Set back difference 0 to 50 C Gradient return flow 0 4 to 3 2 Level return flow 30 to 30 C Outdoor temperature point 1 30 to 720 C Outdoor temperature point 2 30 to 90 C Outdoor temperature point 3 OUO Outdoor temperature point 4 30 to 90 C Flow temperature point 1 20 to 130 C Flow temp
105. oller or each piece of data can come from a separate controller The controller time and the outdoor temperature are transmitted every four minutes The out door temperature is additionally transmitted if it changes by 0 5 C All controllers delete the values received over the bus ten minutes after the last update Sending the controller time The controller time can be made available to all LON participants They download the transmit ted time and adopt it The controller time can be sent with the setting Co7 gt Fb02 ON This functions should only be set in one LON participant otherwise various controller times might be sent In the case that the controller time of the LON participant fails the controller time continues to run locally in all other participants Function WE Configuration Controller time OFF Co7 gt Fb02 ON Sending outdoor temperqtures Two outdoor temperatures can be sent By specifying the terminal number after activating the corresponding function block the sensor is defined whose measured temperature is passed on The transmitted temperatures are available to all LON participants Functions WE Configuration Outdoor temperature 1 OFF 7 gt Fb03 ON Terminal number of outdoor sensor Outdoor temperature 2 OFF 7 gt Fb04 ON Terminal number of outdoor sensor Note The outdoor temperature used by each LON participant is set on selecting the outdoor sensor select FUEHL 0 10 Lon 1 Lon
106. on function does not work in manual mode The heating system is automatically monitored for frost protection The operation of a pump a heating circuit or DHW circuit as a frost protection measure is indicated by on the display If the outdoor temperature drops below 0 C the heating and circulation pumps are activated The DHW storage tank is charged to 10 C 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 12 00h and 12 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 12 01h and 12 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 Limitation factor the set point of the flow temperature flow temperature of the heating system charging temperature is reduced As a result the primary flow rate is reduced and the return flow tempera
107. ontrol using variable OFF Col 2 3 gt Fb18 ON weighting factors 0 5 Proportional gain factor 0 1 to 999 200s Resettime Ty 1 to 999 s 20 C Intended temp difference 0 to 40 C 90 Analog value max 0 to 100 30 Analog value min O to 100 Parameters WE Parameter level Range of values Max return flow temperature 65 PAL 2 3 20 to 90 C Min return flow temperoture 20 C PAI 2 37 20 to 90 G Con only be selected when Co5 gt Fb01 ON select steig Nolte Only one function con be assigned to an analog output e g flow temperature control passing on the outdoor temperature or differential temperature control 5 5 Deactivation depending on outdoor temperature 5 5 1 OT deactivation value in rated operation If the outdoor temperature 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 t 2 x Valve transit 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 Parameter level Range of values OT deactivation value 22 PAI 2 3 0to 90 in rated operation 5 5 2 OT deactivation value in reduced operation If the outdoor temperature in reduced op
108. oor temperature point 4 30 to 90 C Return flow temperature point 1 20710 20 C Return flow temperature point 2 20 to 90 Return flow temperature point 3 20410056 Return flow temperature point 4 20 to 90 C Max limit of flow rate point 1 0 to 99 9 m h Max limit of flow rate point 2 0 to 99 9 m h Max limit of flow rate point 3 0 to 99 9 m h Max limit of flow rate point 4 0 to 99 9 m h Max limit of capacity point 1 0 to 5999 kw Max limit of capacity point 2 0 to 5999 kw Max limit of capacity point 3 0 to 5999 kw Max limit of capacity point 4 0 to 5999 kw V offset of the entire system 300 to 300 m h P offset of the entire system 3000 to 3000 kw Function block parameters Co5 Delay Fb04 ON 1 to C Max system deviation Fb07 ON 2 to 10 Pulse weighting 9 0 1 to 10 Boost Fb13 ON O to 30 C Ty valve transit time Fb14 ON 15 to 240 s Ke proportional gain Fb14 19 ON 0 1 to 50 Tu reset time Fb14 19 ON 1 to 999 5 Hysteresis Fb14 OFF Min activation time Fb14 OFF O to 600 s Min deactivation time Fb14 OFF O to 600 s Tv derivative action time Fb19 2 ON O to 999 s 136 Eb 5179 EN Co9 Modbus and meter bus communication Appendix Parameters Range of values Station number ST NR to 247 999 Baud rate B
109. orrection 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 Flash adaptation or Room tem perature dependent control functions have been activated 2128 27 2 25 24 23 22 21 TROVIS Type 5244 5257 5 5179 14 112 1352 1 10 9 8 Fig 4 Wiring plan for Type 5244 5257 5 Room Sensors TROVIS 5179 Controller Function WE Configuration Room sensor 2 3 OFF Col 2 3 gt Fb00 ON 5 9 Optimization with room sensor Both the following described functions should only be used when the room reference room in which the room sensor is located has a typical heating pattern similar to the rest of the building In addition there should be no thermostat valves mounted on the radiators in this reference room 5179 EN Functions of the DHW circuit There are two types of optimization depending on the activation conditions Outdoor temperature dependent advance heating room temperature dependent deacti vation The controller activates the heating depending on the outdoor temperature before the time of use starts in normal operation The Advance heating time is based on an outdoor temperature of 12 C The adv
110. ortional gain 0 1 to 50 0 0 5 for DHW heating 3 6 Tw reset time 1 to 999 s 200 s valve transit time 15 to 240 s 120 s 10 Storage tank OFF Not 4 gt Fb10 ON DHW heating in storage tank system system 13 6 11 Mixing valve OFF Not 4 gt Fb11 ON Heating maintained to prevent circulation always active 1 3 6 losses 12 Public holiday and OFF Co4 gt Fb12 ON Function block parameter vacation data Not Data for heating circuit 1 to 1 apply to DHW lS circuit 13 Condensate CoA gt Fb13 ON Function block parameter accumulation 7 8 Maximum system deviation 2 to 10 C 2 C control For all other systems Anl enter under Co5 gt Fb07 14 Continuous action OFF Not 4 gt Fb14 ON Continuous action control O to 10 V control 1 3 6 Function block parameters DHW heating proportional gain 0 1 to 50 0 0 5 Tw reset time 1 to 999 s 200 5 Ty derivative action time 0 to 999 s 0 s Fb Function block WE Default setting 100 Eb 5179 EN Appendix Co5 General functions and pre control circuit Comments Fb Function WE Anl Function block parameters Range of values default setting 00 Flow sensor All 5 gt Fb00 secondary VFsek In systems Anl and 9 not possible with Co5 gt Fb0 ON 01 Return flow sensor ON Not Co5 gt Fb01 ON Return flow limitation active primary 6 9
111. porarily outside its times of use this can prematurely cause the controller to heat up to the adjusted Room set point Function WE Configuration Room sensor RF1 2 3 OFF Col 2 3 gt Fb00 ON Outdoor temperature dependent advance heating room temperature dependent deactivation Optimization OFF Col 2 3 gt Fb05 ON select 2 120 min Advance heating time 0 to 360 min Outdoor sensor AF1 2 3 Col 2 3 gt Fb02 ON Room temperature dependent advance heating and deactivation Optimization OFF Col to Co3 gt Fb05 ON select 3 EB 5179 EN 47 Functions of the DHW circuit Parameters WE Parameter level Range of values Day set point 20 2 327 01o 90 Night set point JZ WN Sustained temperature 10 C PA1 2 3 10 to 90 C 5 10 Flash adaptation Direct reactions to deviations in room temperature can be achieved using the function block set ting Col 2 3 gt Fb08 ON Flash adaptation counteracts room temperature deviations by increasing or decreasing the flow temperature by up to 30 C The shift is displayed under Level in PA1 2 3 parameter levels it cannot be altered The set point correction over remote room panel is not possible 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 Room sensor 2 3 OFF Col 2 3 gt Fb00 O
112. r level Range of values Return flow limitation temperature for DHW 45 C 20090 C Nolte To ensure thot the preset return flow temperature limit 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 60 5179 EN System wide functions 7 5 Condensate accumulation control Activate the Condensate accumulation control function to start up condensate accumulation plants in particular to avoid problematic excess temperatures The controller response to set point deviations which cause the primary valve to open is attenuated The controller response to set point deviations which cause the control valve to close remains unaffected In systems Anl and 9 the limitation applies to all control valves in all other systems it applies to the control valve with the highest flow temperature set point In systems with DHW heating on the primary side Anl 7 and 8 the Condensate accumulation control function must configured separately under Co4 Functions WE Configuration Condensate accumulation control OFF Co5 gt Fb07 ON 2 Maximum system deviation 2 to 10 C Condensate accumulation control CoA gt Fb13 ON Anl 7 and 8 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
113. rost protection function The outdoor sensor AF1 can also be deactivated if all the control cir cuits are configured as room control circuits Activation of the room control function causes the control parameters to be automatically set to the following settings TN reset time 1617 s Tv derivative action time 330 s proportional gain 20 With the aid of Parameter optimization Col 2 3 gt Fb16 ON these settings are opti mized This however requires a constant room temperature at the time when the function is ac tivated and a temperature difference between the current room temperature and the new room set point of at least 3 C In room control circuits the heating circuit pump is switched on during the advance heating phase Note A fictive flow set point is reported to master controller in case there is a demand for an exter nally required signal when the room control function is active This set point is calculated from the characteristic and outdoor temperature and adapted to the actval demand over adaptation and flash adaptation The fictive flow set point has no effect on mixer circuits and blinks on the display Just the third type of optimization is permitted when the room control is active A Note The frost protection cannot function without an outdoor sensor EB 5179 EN 49 Appendix Functions WE Configuration Room sensor RF1 2 3 OFF Col 2 3 gt Fb00 ON Room temperature dependent co
114. start up 00 00 InF1 InF2 InF3 InFA InF5 InF7 InF8 InF9 2 4 5 PA7 PAY EB 5179 EN 14 SAMSON AG MESS UND REGELTECHNIK Weism llerstraBe 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 5179 EN 2006 03
115. tart up and after a power failure lasting longer than 24 hours Proceed as follows 01234567 8 101112131415161718192021222324 C 1 r 01234567 8 9101112131415161718192021 222324 7117 Onin 1311215278 o20212o22594 gt l 11 VI 1 2 910112131415161718192021222324 Jy L lli 2 Switch to configuration and parameter level Display PA1 Select PA5 parameter level Open PA5 parameter level Display Controller time Activate editing mode for the controller time xt blinks Change coniroller time Confirm controller time Display Date day month Activate editing mode for the controller date Change date setting 5179 11 Operation 1023121531812 0212223328 LI FI Note gt pg ej Confirm date Display Year Activate editing mode for the controller year Change year setting Confirm year Exit PA5 parameter level Return to the operating level The controller automatically returns to the operating level if the keys are left unpressed for two minutes 12 EB 5179 EN 1 6 Setting the times of use Operation Two times of use can be set for each day of the week If just one time of use is required the start and stop times of the secon
116. te change in the O to 10 V signal when a system deviation arises the larger the Kp the greater the change The integral action component first affects the control after a certain time TN stands for the time that passes until the l action component has changed the output signal so far as the P action component just did the larger the TN the slower the rate in change The D action com ponent causes every change in system deviation to have any increased effect on the output sig nal the larger the Tv the more intensified the change The continuous action control can be configured separately for individual heating circuits for DHW heating and for the pre control circuit EB 5179 EN 63 System wide functions Functions WE Configuration Continuous action control for heating circuit OFF Col 2 3 gt Fb14 ON 0 5 Kp gain 0 1 to 50 0 2005 Ty reset time 1 to 999 s Os Ty derivative action time 0 to 999 s Continuous action control for DHW heating OFF CoA gt Fb14 ON 5 Kp gain 0 1 to 50 0 200s Ty reset time 1 to 999 5 Os Ty derivative action time 0 to 999 s Continuous action control for pre control circuit OFF 5 gt Fb19 ON 0 5 Kp gain 0 1 to 50 0 2005 reset time 1 to 999 s Os Ty derivative action time 0 to 999 s 7 10 Forwarding the outdoor temperature The outdoor temperature can be passed on over the analog output AA 0 to 10 V terminal 11 to V correspon
117. temperature 58 Condensate accumulation control 60 Compensating time 60 Three step 61 On off control amp s c ade be ebm home as as xem 62 Continuous action control 2 62 Forwarding the outdoor temperature 63 Flow rate capacity limitation over a pulse input 63 Locking manual level 65 Operational faults 66 Error list sensor failure 66 Collective error 67 Temperature 69 Monitoring the input terminals for limit violations 70 Error status 7 Contents 8 6 Erroraletms s g i 434 05 s Q w X Wok OR OED 72 8 6 1 Sending text message in case ofa fault alarm 73 8 6 2 Sending fax in case of fault alarm 73 9 Communication 75 9 1 RS 232 C system bus interface 76 9 2 RS 232 RS 485 system bus interface for four wire bus in combination with cable converters Z 9 3 Description of communication parameters to be adjusted 78 9 4 Meter bus interface 2 1 111110 80 9 4 Activating the meterbus 80 9 4 2 Flow rate capacity limitation using meter bus 81 9 5 LON communication x xow
118. th R Fprim 38 5179 EN 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 Functioning principle The heating circuit with the highest flow set point has priority This principle applies to all heat ing circuits with mixing valves In systems Anl 3 5 and 8 the pump circuit has priority The flow set point of the heating circuit with priority is controlled by the valve in the pre control circuit If several heating circuits have the same flow set point the heating circuit with lowest number al ways has priority and is controlled by the primary valve 5 2 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 Fig 2 C 32 29 2 Flow temperature ta Outdoor temperature Fig 2 Gradient characteristics Function WE Configuration Outdoor sensor AF1 2 3 Col 2 3 gt Fb02 ON Col gt Fb02 cannot be deactivated 5179 EN 39 Functions of the heating circuit IF just one outdoor sensor should be connected connect it to AF1 This outdoor temperature is then used also for HK2 and HK3 5 2
119. the Storage tank charging pump deactivation limit however at the latest af ter t 2 x Transit time of the primary valve In the default setting the storage tank is charged by 5 C to at least 50 C when the storage tank temperature falls below 40 C The charging temperature is 55 C On completing the storage tank charging the heating valve is closed and the charging pump continues to run until the charging temperature falls below 50 C Functions WE Configuration Storage sensor SF1 ON 4 gt Fb00 ON Storage tank system OFF Co4 gt Fb10 ON Circulation pump OFF 4 gt Fb04 Mixing valve always active OFF 4 gt Fb11 5179 55 Appendix Parameters WE Parameter level Range of values DHW demand ON 40 PAA 20 to 90 C Hysteresis 0 to 30 C Charging temperature 55 C 20 lo 90 C Storage tank charging pump 50 C 4 20 to 90 C deactivation limit 6 3 Priority operation 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 to be simply 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 co
120. ting 9 m h PAS 0 01 to 99 9 m h Proportional action coefficient for limitation 1 0 PA5 0 1 to 10 By selecting CONST additionally Maximum flow rate of the heating 9 m h PAS 0 01 to 99 9 m h By selecting 4 Pr additionally EB 5179 EN 83 Communication Outdoor temperature Point 1 15 C PAS 30 to 90 C Point 2 _ 5 C Point 3 5 C Point 4 1526 Maximum limit of flow rate points to 4 9 m3 h 5 0 01 to 99 9 m3 h 9 5 LON communication Note The following section only applies to devices with LON interface and CO7 Fb00 ON On connecting LONMARK devices CO7 FbOO OFF needs to be configured Each controller is assigned a LON station address which needs to be set in the PA7 parameter level A station address in a subnet must be unique Each controller type is assigned its own subnet This means that identical LON station addresses can be assigned for different controller types e g 5174 and 5179 as they belong to different subnets A maximum of 59 participants consisting of TROVIS 5171 5174 5177 and 5179 can be connected together Controller type Subnet Station address TROVIS 5171 to 20 TROVIS 5174 4 to 20 TROVIS 5177 7 to 20 TROVIS 5179 2 20 The controller sends its inputs and outputs as well as pulse counters and their pulse duration over the LON network to a TROVIS 5171 Programmable Logic Controller The pulse inputs are sent after four minutes the sensor
121. tion is active for more than 30 minutes When one of these conditions occurs the bit for the associated sensor is set in holding regis ter 857 A set bit in holding register HR 857 causes the bit 4 to be set in the error status register FSR2 HR 61 and in the error archive register 2 HR 63 and the error counter HR 64 is incre mented Function WE Temperature monitoring OFF Co5 gt Fb20 ON Holding register 857 Number Bit number in HR 1 VFprim R Fprim VFI RFI VEZ RUF2 RF2 VF3 RUFS RF3 VFTW RUFTW Measured value set point 10 C Limitation active actual return flow blinks in InF5 Meas value gt set point 10 C Limitation active appears on the right hand side of the set bit number 2 3 4 5 7 8 9 11 12 Meas value lt set point 2 C Meas value gt set point 10 C Limitation active Meas value lt set point 2 C Meas value gt set point 10 C Limitation active Meas value lt set point 2 C Meas value gt set point 10 C Limitation active actual return flow blinks in InF4 70 5179 Operational faults 8 4 Monitoring the input terminals for limit violations The controller provides the option to apply limits in of measuring range to two selected in puts temperature sensor or analog inputs and to issue an
122. troller be assigned the meter bus address 254 The address 255 deactivates the communication with the respective WMZ The model code to be set for the heat meter can be found in TV SK 6311 In general the default setting of 1434 can be used for most devices The meters can be read either automatically approx every 24 hours 24h continuously con or when the coils Modbus data points assigned to the heat meters WMZ1 to WMZ3 are overwrit ten with the value 1 Coil via the system bus interface In InF9 info level 1434 is displayed when the meter bus is activated Press the enter key to get to the display referring to the meter bus For each of the three heat meters whose address is not 255 buSi with i 1 2 3 is indicated Press the enter key again to display the following information about the associated meter Flow rate d cm h Total capacity U cm3 Capacity P kW Energy A MWh GJ 5179 EN 8l Communication Flow temperature b C Return flow temperature b C Meter identification number L without enter key H with enter key Meter bus address sent WMZ A Blinking values in combination with black squares in the top row of the display fault status of the associated meter TV SK 6311 indicate different faults Note With reading mode 24h the displayed values are not updated by opening the buS1 to buS3 levels again the values read during the last cycle remain
123. troller responds is determined by the Proportional action coefficient for limitation Example to determine the limit value 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 T KWh pulse 30 pulse h Settings for capacity limitation Functions WE Configuration Limitation of heat meter WMZ OFF Co5 gt Fb08 OFF Pulse input for flow rate or capacity limitation OFF Co5 gt Fb09 ON select P CONST Limitation constant A Pt Limitation acc to A point characteristic 10 Pulse weighting 0 1 to 10 Parameters WE Parameter level Range of values Maximum capacity of the entire system 50kW PA5 0 1 to 5999 kW Maximum capacity of the DHW heating 50kW PA5 0 1 to 5999 kW Proportional action coefficient for the limitation 1 0 PA5 0 1 to 10 Select CONST additionally for Maximum capacity of the heating 50kW PAS 0 1 to 5999 kW Select 4 Pt additionally for Outdoor temperature Point 1 15 C PAS 30 to 90 C Point 2 Point 3 Point 4 15 C Maximum capacity limitation points 1 to 4 50 5 0 1 to 5999 kW EB 5179 65 System wide functions Settings for flow rate limitation Functions WE Configuration Limitation of heat meter WMZ OFF Co5 gt Fb08 OFF Pulse input for flow rate or capacity limitation OFF Co5 gt Fb09 ON select U CONST Limitation constant 4 Pt Limitation acc to 4 point
124. ture compensated flow temperature control with variable return flow temperature limitation Number of heating circuits 2412143 112 3 112 22 2 No of heating circuits w mixing valve 2 2 2 1 1 3 1 1 2 2 DHW heating From the primary circuit From the secondary circuit 28 5179 EN System Anl 1 Systems O RKHK2 VF2 RUF2 AF1 AF2 R Fprim UP VFI UP2 RF2 BE BA AE Default setting Col gt FbOO OFF without RF1 Col gt Fb01 OFF without RUF1 Col gt 2 ON with AF1 Co2 gt OFF without RF2 Co2 gt Fb01 OFF without RUF2 Co2 gt Fb02 OFF without AF2 Co5 gt FbOO ON with VFsek Co5 Fb01 with R Fprim EB 5179 EN 29 Systems System Anl 2 VFsek RKHK1 RKHK2 2 R Fprim VF1 RF1 UP2 RF2 l 111 11 BA AE RK Default setting Col gt Fb00 OFF without RF1 Col gt Fb01 OFF without RUF1 Col gt Fb02 with AF1 Co2 gt Fb00 OFF without RF2 Co2 gt Fb01 OFF without RUF2 Co2 Fb02 OFF without AF2 Co4 gt FbOO with SF1 4 Fb01 with SF2 CoA gt ON VFS with Co5 gt Fb00 ON with VFsek Co5 Fb01 with R Fprim 30 5179 EN Systems Syst
125. ture falls The set point reading flow temperature of the heating system charging temperature blinks to indi cate that a return flow limitation is active 5179 EN 59 System wide functions Function WE Configuration Return flow sensor R F1 2 3 OFF Col 2 3 gt ON 1 0 Limitation factor 0 to 25 5 Parameters WE Parameter level Range of values Max return flow temperature 65 C PAL1 2 3 20 to 90 C Min return flow temperoture 20 PA1 2 3 20 to 90 C In systems with a DHW in a secondary circuit the control during DHW heating uses the Return flow limitation temperature for DHW parameter systems Anl 2 4 5 and 10 In the transition time or in summer mode the heating circuit can be operated with a lower return flow tempera ture while at the same time performing proper storage tank charging The Return flow limitation temperature for DHW parameter can also be active in systems Anl 4 5 7 8 9 and 10 ata separate return flow sensor The separate sensor RUFTW return flow sen sor for DHW must in this case be installed in the return flow of the DHW circuit Note In system Anl 2 the sensor R Fprim is installed in the return flow of the primary circuit In this case the Return flow sensor primary function must be activated Co5 gt FbO1 Function WE Configuration Return flow sensor in DHW circuit OFF CoA gt Fb02 ON 1 0 Limitation factor 0 to 25 5 Parameter WE Paramete
126. um charging temperature 20 to 120 C 120 C 1 2 4 41 9 9 Z 8 9 1415121719 192021 222324 n Time schedule of DHW heating 00 00 to 24 00 h 8 9141512179 1920 2122 2324 Time schedule of circulation pump 00 00 to 24 00 h PA5 Capacity and flow rate limitation Parameter designation Range of values default settings Display O J 2 3 4 5 7 8 10 1121314 15 16 1718192021222324 D 11 e ND 114 EB 5179 EN Time 00 00 to 24 00 h Display Appendix Parameter designation Range of values default settings 9 92 5679021314153 16 7815120721222 32 Date day month 01 01 to 31 12 5 1515716192072 Date year Freely configurable 0123456789 10111213141516 17 18 19 20 21 22 23 24 5 L da Gradient of the heating characteristic return flow 0 4 to 3 2 1 2 Only with Co5 gt ON select steig 0123456789 10111213141516 17 18 19 20 21 22 23 24 Level of the heating characteristic return flow 30 to 30 C 0 C Characteristic is shifted parallel 0 1 92 5746516 72800 102131415 1617181922022 12272324 5 I Maximum return flow temperature 20 to 90 C 5 C Only with Co5 gt Fb01 ON select steig EB 5179 115 Appendix Disp
127. unchanged With reading mode con the values in the levels are not continuously updated Reopen the specific level to get current values Functions WE Configuration Meter bus 1 2 3 OFF Co9 gt Fb21 ON Fb22 ON Fb23 ON 255 Meter bus address for WMZ 1 2 3 O to 255 1434 Model code WMZ 1 2 3 P15 PS2 1434 CAL3 APAIO SLS con Reading mode WMZ 1 2 3 24h con Coil Limitation of WMZ OFF Co5 gt Fb08 ON No limitation U Flow rate limitation D Capacity limitation U P Flow rate and capacity limitation by selecting U P or U P in addition CONST Limitation parameter constant 4 Pt Limitation acc to 4 point characteristic outdoor temperature dependent 9 4 2 Flow rate capacity limitation using meter bus Flow rate and or capacity limitation with the aid of the connected meter bus can be imple mented by selecting the type of limitation 2 3 or 4 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 for details on which listed heat meters fulfill this criterion and can be used for limitation purposes In case of battery oper ated 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 batteries too quickly The tech nical documentation TV SK 6311 provides more
128. vel Select COPY data point Open copy program The display blinks Copy the times of use Xj X lt Select End on the display Exit the parameter level Return to the operating level 5179 EN 15 Operation 1 6 2 Entering public holidays On public holidays the times of use specified for Sunday apply A maximum of 20 public holi days may be entered Parameters WE Level Range of values Public holidays f heating circuit 1 Public holidays f heating circuit 2 Public holidays f heating circuit 3 Note PA1 01 01 to 31 12 PA2 01 01 to 31 12 PA3 01 01 to 31 12 The programmed public holidays and vacations of any heating circuit HK1 HK2 or HK3 ap ply with the setting CoA gt Fb12 select 1 2 or 3 also for the DHW heating Proceed as follows Switch to configuration and parameter level Display PA1 Select parameter level Open parameter level 0666 Select datapoint for public holidays E Display shows 7 Open data point for public holidays IFapplicoble select 7 x Activate editing mode for public holiday blinks Edit public holiday Confirm public holiday To enter additional public holidays between 31 12 and 01 01 and repeat the steps in the fields highlighted in gray

Samson 5179 Thermostat User Manual

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