Mounting and Operating Instructions EB 5432 EN
Contents
1. F4 O for single stage boiler system Storage tank charging DHW priority possible gt Fig 4 EB 5432 EN 19 Systems HK_3 step BE BA AE RK Fig 2 Weather compensated control or fixed set point control and on off control for storage tank system in the primary circuit Weather compensated control Fixed set point control Setting Fl 1 and F7 0 F1 O and F7 O Comments With or without S3 depending on the circuit Storage tank charging over storage tank sensor S5 depending on the circuit Monitoring priority at S5 20 EB 5432 EN Systems BE BA AE RK Fig 3 Weather compensated control or fixed set point control and mechanical control ROH self operated regulators for storage tank system in the primary circuit Weather compensated control Fixed set point control Setting Fl 1 and F7 0 Fl O and F7 O Comments With or without S3 depending on the circuit Storage tank charging over storage tank sensor S5 depending on the circuit Monitoring priority at S4 depending on the circuit or S5 EB 5432EN 21 Systems gt ae gt cd 7 lt gt lt Sau gt 17 a ee gt lt KW SS a A NG HK_3 step UP S4 TW on off 53 S S2 BE BA AE RK Fig 4 Room temperature based control and on off control of the storage tank system in the primary system Room temperature based c2. 1 Monday 2 Tuesday 7 Sunday and Moo a A doy with l first time of use period 2 second time of use period 3 third time of use period Open time period day Display Start time of first time of use period and 3t blink Change start time in steps of 30 minutes Confirm start time Display Stop time of first time of use period O and 3 blink Change stop time Confirm stop time Display Set time of use period SK To set other times of use repeat the instructions in the fields highlighted in gray Select End on the display x Exit Times of use Select End on the display gt lt Switch to operating level Note The controller automatically switches to the operating level if the control knob is left un touched for five minutes EB 5432EN 11 Operation 1 7 Stand by mode 1 7 1 Vacation mode Function independent of controller setting The vacation mode function places the heating circuit into the stand by mode the heating is deactivated however frost protection is guaranteed The functions of an existing DHW cir cuit remain unchanged The vacation mode function is set in the operating level set point display Proceed as follows Select menu HoLidAY turn knob to the left as far as it will go The display blinks gt Confirm vacation mode Alternatively Wait 3 minutes until the display stops blinking The vacation mode is activ
3. Appendix Configuration and Operating level User level parameterization level 3s Current set point System time gt gt Fl to F9 Temporary Current time of use P1 to P18 t point ch set point change O O turn knob to left Set point rated operation End or K HoLidAY OT deactivating value O in rated operation turn knob to right O PArtY Set point red operation or A A OT deactivating value in reduced operation tl to t5 End X K3s Fig 10 Level structure EB 5432EN 49 50 EB 5432 EN EB 5432 EN 51 SAMSON AG MESS UND REGELTECHNIK Weismillerstrafse 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 5432 EN 2008 02
4. 2 Turn the control knob one position The icon display blinks O Change the parameter kk Confirm the new parameter setting Alternatively Wait until the display stops blinking The new parameter setting has been saved The temporarily active set point corrected once is indicated on the display by the icon together with the icon 1 9 2 Correcting the set point permanently The permanent change of Day set point or Flow temperature set point in rated operation as well as the Night set point or Reduced flow temperature set point in reduced operation is made in the user level Proceed as follows gt 3s Switch to user level Display Time Select menu Set point gt page 6 gt lt Open the set point O Change the set point gt K Confirm the set point Select End on the display gt lt Switch to operating level 14 EB 5432 EN Start up 2 Start up 2 1 Configuration and parameterization The controller is configured and parameterized in the configuration and parameterization level gt Fig 10 on page 49 After accessing the configuration and parameterization level CoPa level the function blocks F1 to F9 appear at first followed by the parameters P1 to P18 The individual functions and parameters are listed in the Appendix gt page 41 The configuration and parameterization level is locked to prevent unintentional and unautho rized access This level can only be opened when the key number
5. C Max flow temperature 80 C CoPa level P4 O to 130 C Set back of flow temperature in reduced operation 15 C CoPa level P9 O to 50 C 24 EB 5432 EN Functions of the heating circuit Note Particularly for control operation without room panel the room temperatures for day Day set point and night Night set point adjusted in the room set point mode only become effec tive satisfactorily when the heating characteristic has been adapted to the building heating surface layout 5 2 Fixed set point control During a time of use period the flow temperature can be controlled according to a fixed set point Outside the time of use periods the controller regulates the reduced flow temperature Functions WE Configuration Type of control 1 HITO Parameter WE Level Range of values Flow temperature set point 50 C User level O to 130 C Reduced flow temperature set point 30 C User level O to 130 C 5 3 Drying of jointless floors In compliance with Part 4 of the DIN EN 1264 standard the first heating up is performed with a flow temperature of 25 C This temperature is maintained constant for 3 days After that the controller uses the maximum flow temperature as the set point for the following 4 days When the drying of jointless floors function is activated the set point appears on the left hand side of the display and the current flow temperature appears on the right hand side of the display An active funct
6. On off differential of storage tank charging Use F8 to select the On off differential of storage tank charging F8 0 On off differential 5 C F8 1 On off differential 2 C Functions WE Configuration On off differential of storage tank charging 0 FS Parameter WE Level Range of values DHW set point 45 C CoPa level P16 20 to 90 C 6 1 DHW priority Should the temperature at the DHW sensor S4 or in cases where DHW sensor S4 does not exist at the storage tank sensor S5 S2 fall below the Monitoring value for priority for five minutes the heating capacity of the heating circuit is lowered by reducing the set point The heating circuit set point is then reduced in small steps every five minutes up to a minimum 30 EB 5432 EN Functions of the DHW circuit flow temperature of 20 C provided the temperature still lies below the Monitoring value for priority Three different operating conditions exist The DHW temperature at S4 S5 S2 is under the Monitoring value for priority gt the heating circuit set point is reduced The DHW temperature to S4 S5 S2 is up to 5 C above the Monitoring value for prior ity gt the heating circuit set point remains unchanged The DHW temperature to S4 S5 S2 exceeds the Monitoring value for priority by more than 5 C s the heating circuit set point which was reduced due to the priority is in creased Functions WE Configuration Room panel 0 wee F7 0
7. P16 DHW set point 45 C MUS P17 Advance heating time 120 min O to 360 min P18 Cycle rate O min O to 100 min and 1 to 100 min 10 min P Parameter WE Default setting 42 EB 5432 EN 12 3 Resistance values with Pt 1000 sensor Appendix z395 30 25 20 lO 10 z9 0 5 10 Q 862 5 882 2 901 9 921 6 941 2 960 9 980 4 1000 0 1019 5 1039 0 AG 15 20 25 30 35 40 45 50 55 60 Q 1058 5 1077 9 1097 3 1116 7 1136 1 1155 4 1174 7 1194 0 1213 2 1232 4 C 65 70 75 80 85 90 25 100 105 110 Q 1251 6 1270 7 1289 8 1308 9 1328 0 1347 0 1366 0 1385 0 1403 9 1422 9 NG 115 120 125 130 185 140 145 150 Q 1441 7 1460 6 1479 4 1498 2 1517 0 1535 8 1554 5 1573 1 12 4 Technical data Inputs 5 inputs for Pt 1000 sensors Outputs Control signal Y Three step or on off signal non floating 230 V AC 0 3 A AC triac outputs with varistor for surge suppression Binary output 2 outputs to control heating circuit pump and to release DHW system double throw contact non floating 230 V AC 2 A relay output with varistor for surge suppression Operating voltage 230 V AC 10 15 48 to 62 Hz Power consumption approx 1 VA Ambient temperature Operation O to 50 C Transport storage 10 to 60 C Relative humidity Normal no dew Degree of protection
8. 1 Tuesday 2 Wednesday 3 Thursday 4 Friday 5 Saturday 6 Sunday 7 EB 5432 EN 45 Index Index A Activation dependent on outdoor temperature 27 Automatic mode 5 C Configuration oo ooooo o 15 Connection o A pete dade head AO Controller apostar apa 39 o AA AA 40 Sensor 2 2 ee eee eee 39 Constant rated operation 13 Control On off AA 34 Three step o o oooo 33 Control knob APA 5 Correcting the set point 14 D Data 270 0174 AR 7 Day mode ce cece 5 Deactivation 1 60 oes ara en owes 26 outdoor temperature dependent 12 Delayed adaptation to the outdoor femperature o o o oooo ooo eee al DHW priority override 30 Display serrano rre 6 Drying jointless Hoors 25 E Electrical connection 46 FB 5432 EN F Fixed set point control 6 25 Flash adaptation 28 Forced operation of pumps 32 Frost protection 32 Function block 15 Function block list 4 G Gradient characteristics 23 Infrared interface 36 Installation control panel mounting 37 wall mounting 37 J Jointless floors 25 M Malfunctions o oo oo oooo 35 Manual operation mode 16
9. IP 40 according to EN 60529 Class of protection according to EN 50178 Degree of contamination 2 according to EN 50178 Overvoltage category Il according to EN 50178 Noise immunity According to EN 61000 6 1 Noise emission According to EN 61000 6 3 Weight Approx 0 4 kg EB 5432EN 43 Appendix 12 5 User data Station Operator Responsible SAMSON office Function blocks Fl F2 F3 F4 F5 F6 F7 F8 F9 Parameters P Designation Setting Range of values Pl Gradient 0 2 to 3 2 P2 Level O AS P3 Min flow temperature O to 130 C P4 Max flow temperature O to 130 C P5 Max return flow temperature 20 to 90 C P6 Monitoring value for priority 20 to 90 C EZ Delay 1 to 6C P8 Kp Return flow temperature limit 0 1 to 50 P9 aa flow temperature in reduced 0 to 50 C P10 Kp Three step control 0 1 to 50 P11 Tn Three step control O to 999 s P12 Ty Three step control 10 to 240 s P13 On off differential 2 to 10 C P14 Minimum activation time for on off control O to 600 s P15 Minimum deactivation time for on off control O to 600 s P16 DHW set point 20 to 90 C P17 Advance heating time O to 360 min P18 Cycle rate i Ng Hi 44 FB 5432 EN Appendix Times of use Start Stop 1 Start Stop 2 Start Stop 3 Monday
10. O and F7 0 Cs Night set point or reduced flow temperature set point F1 O and F7 0 hr OT deactivating value in rated operation F1 1 and F9 0 Gi OT deactivating value in reduced operation F1 1 and F9 0 H Measured value Flow temperature gt lt Flow temperature set point 2 ji Measured value Outdoor temperature gt lt Delayed outdoor temperature F3 1 2 Measured value Storage tank temperature F1 O and F7 1 x Activating deactivating value for DHW system DHW set point on off differential t3 Measured value Return air temperature gt lt Maximum return air temperature t4 Measured value DHW temperature monitoring gt lt Monitoring value 4 W Measured value Room temperature F7 1 gt Day set point or night set point influenced by a room panel if applicable 5 gt Measured value Storage tank temperature F7 0 gt Activating deactivating value for DHW system DHW set point on off differential Select End on the display gt lt Switch to operating level Note The i icon appears additionally on the display for a control functioning with the room panel unit F7 1 8 EB 5432 EN 1 5 Setting the system time Operation The current time and date need to be set immediately after start up and after a power failure lasting more than 72 hours has occurred This is indicated by the time blinking on the dis play The time is
11. the control works without an outdoor sensor The flow temperature is reduced or raised by up to 30 C when deviations in room tempera ture occur The Cycle rate determines the time between each correction of the flow tempera ture set point by 1 C The default setting is 10 minutes when the room temperature based control is activated the flow temperature control starts with a default set point of 50 C pro vided that the parameter Max flow temperature P4 permits it Note We recommend not to set the cycle rate too short Shorter cycle rates are more likely to have a negative effect particularly when cooling loads such as drafts or an open window affect the control Then the rooms may be temporarily overheated when the cooling load is elimi nated Functions WE Configuration Type of control 1 FO Room panel 0 F7 1 Parameter WE Level Range of values Cycle rate 10 min CoPa level P18 1 to 100 min EB 5432EN 29 Functions of the DHW circuit 6 Functions of the DHW circuit b SLP 59 92 Fig 6 DHW system in a storage tank charging system a and in a storage tank system b The controller starts charging the storage tank as soon as the water temperature measured at the storage tank sensor S5 or 2 falls below the DHW set point P16 The charging of the storage tank finishes when the water temperature measured at the stor age tank sensor has reached the temperature T DHW set point
12. already in the edit mode and can be changed directly The first two instruc tions steps are then omitted Proceed as follows x gt 3s Switch to user level Display Time Open time data point blinks Change time Confirm time setting Display Year Change year Confirm year Display Date day month as well as day of the week DJ Mon 2 Tue E Sun Change date Confirm date Display Time Select End on the display Switch to operating level Note On initial start up and after a power failure lasting more than 72 hours the controller switches automatically to the operating level after the date has been set and confirmed The last two steps are omitted Note The controller automatically switches to the operating level if the control knob is left untouched for five minutes EB 5432EN 9 Operation 1 6 Setting the times of use Three time of use periods can be set for each day of the week If not all the time of use periods are required the start and stop times of the third time of use period for just two periods must be set to identical times or alternatively the start and stop times of the second time of use for just one period The controller then automatically sets the start and stop times to the stop time of the previous time of use period The times of use are displayed in the user level gt Fig 10 on page 49 Note You can set the times of use fo
13. higher and the outdoor temperature exceeds the Night set point by 1 C The Night set point is 17 C or lower and the room temperature exceeds the Night set point by 1 C Room temperature based con trol Deactivation during day mode The room temperature exceeds the Day set point by 1 C Deactivation during night operating mode The room temperature exceeds the Night set point by 1 C The heating is activated immediately when the temperature falls below the relevant set point Note The table does not include any specifications for fixed set point control as the heating is never deactivated with this type of control 26 EB 5432 EN Functions of the heating circuit 5 5 Outdoor temperature dependent advance heating Due to low outdoor temperatures the controller starts heating before the time of use period starts in rated operation The Advance heating time uses a reference outdoor temperature of 12 C The advance heating time is shortened when the outdoor temperature is higher The colder it is outside the earlier the reduced operation is ended to ensure that the required room temperature is reached at the start of the time of use period Note During the advance heating phase the 3 icon blinks on the display Functions WE Configuration Type of control 1 rie Parameter WE Level Range of values Advance heating time 120 min CoPa level P17 O to 360 min 5 6 Delayed adapta
14. is known The key number can be found on page 48 To avoid unauthorized use of the key number remove the page or make the key number unreadable Proceed as follows 3s Switch to user level Display Time Select End on the display gt 3s Switch to the configuration and parameterization level CoPa level Display O nr blinks Set key number gt Confirm key number Display F1 Select function block or parameter gt lt Open selected data point Change data point gt Confirm setting of the data point To set further function blocks and parameters repeat the instructions in the fields highlighted In gray Select End on the display gt lt Return to operating level Display Current set point Note A function block is activated when F_ 1 appears on the display it is deactivated when F_ 0 appears on the display EB 5432 EN 15 Manual operation mode 3 Manual operation mode In manual operation mode the circulation pump UP is always switched on The output SLP is usually switched off Initially no control signal is issued for the heating circuit Activate the manual operation mode in the configuration and parameterization level CoPa level over function block F2 Functions WE Configuration Manual operation of an actuator 0 F2 Proceed as follows x 3s Switch to user level Display Time Select End on the display 3s Switch to the configuration and parameterization leve
15. 17 N Night ox cae ten ANA KANG dane 5 O On off control 34 Outdoor temperature dependent advance o A 27 Overvoltage protection 39 P Parameter list 42 Parameters oooooo o oooooo 15 Party MODE ua ses 13 R Rated operation 5 13 Reduced operation 5 Remote control 28 Resistance values 43 Return flow temperature limit 33 Room panel 000000 28 Room sensors 12 0 10 0 PENE APA PAPET 28 S Sensor defective ooo ooooomoo 35 Set point DON sepa N 23 Night 23 Setting the system time 9 Stand by mode 5 12 Summer time winter time changeover 32 System description 18 22 T Technical data 43 Three step control 33 Times of use o sob 2 0 Eon ee ee 10 TROVIS VIEW 3 444 242 14 400 e 36 U User dala ci nieve avenge oneeads 44 V Vacation mode oo oo oo oooo 12 W Weather compensated control 6 23 Index 47 Abbreviations Abbreviations AE Analog input BA Binary output BE Binary input HK Heating circuit KW Cold water OT Outdoor temperature RK Control circuit ROH Self operated regulators S1 5 Sensors 1 5 SLP Storage charging pump TW Domestic hot water DHW UP Circulation pump WW Hot water Key number 1732 48 EB 5432 EN
16. 6 Drying of jointless floors O F6 1 Drying of jointless floors active After the function s running time has elapsed F6 O is set F7 Room panel O F7 1 Connection of Type 5257 5 Room Panel to S4 S5 F7 0 DHW priority storage tank charging over S4 S5 depending on circuit F8 On off differential of 0 F8 1 On off differential 2 C storage tank charging F8 0 On off differential 5 C F9 Room set point mode 1 Only effective with F1 1 F Function block WE default setting F9 1 Room set point assignable F9 O Set back and outdoor temperature dependent deactivating values assignable EB 5432 EN 41 Appendix 12 2 Parameter list P Designation WE Range of value P1 Gradient 1 6 0 210932 P2 Level 0 aaa P3 Min How temperature HONG Oto 130 C PA Max flow temperature 80 C O to 130 C P5 Max return flow 50 C 20 1090 C temperature P6 Monitoring value for priority 40 C 20 to 90 C P7 Delay 3 C h 1106 C h P8 ng Return How temperature 10 0 1 to 500 Imit PY Set back of flow tempera 15 C O to 50 C ture in reduced operation P10 K Three step control 2 0 0 1 to 50 0 P11 T Three step control 120 s O to 999 s P12 T Three step control 45s 10 to 240s P13 On off differential 5 C 2 to 10 C P14 Min activation time for 120 s 0 to 600 s on off control P15 Min deactivation time for 120 s 0 to 600s on off control
17. Automation System 5400 Heating and District Heating Controller TROVIS 5432 Mounting and Operating Instructions EB 5432 EN Firmware version 2 1x Edition July 2004 C 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 he accuracy or completeness of these mounting and op erating 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 ap propriate storage are assumed The controller has been designed for use in electrical power systems For h wiring and maintenance you are required to observe the relevant safety regulations 2 EB 5432EN Contents Table of contents 1 1 1 1 2 1 3 1 4 o do do amp N N NO Operation 6 04 2546 naa Su oa a ae na neh ae 5 Connal Kobe apod
18. Monitoring value for priority at S4 depending on the circuit or storage tank charging and Monitoring value for priority at S5 F7 1 Storage tank charging and monitoring value for priority at S2 room temperature based control Parameter WE Level Range of values Monitoring value for priority 40 C CoPa level P6 20 to 90 C EB 5432 EN 31 System wide functions 7 System wide functions 7 1 Automatic summer time winter time changeover The clock is automatically set one hour forward on the last Sunday in March at 2 00 h and set one hour back on the last Sunday in October at 3 00 h Function WE Configuration Summer time winter time changeover 1 Bo 7 2 Frost protection The frost protection function is activated with weather compensated or room temperature based control The circulation pump is activated and a flow set point of 20 C is used for the control when the outdoor temperature is lower than 3 C with weather compensated control and the heat ing is switched off stand by mode The flow temperature is monitored with room temperature based control and the heating is switched off If the flow temperature drops below 5 C the circulation pump is activated and the flow temperature set point of 20 C is used for the control Note The frost protection function is not active in manual operating mode or with fixed set point control 7 3 Forced operation of the pumps When the circulation pumps have not been
19. P9 Set back of flow temperature in reduced operation with the controller setting F1 1 and F9 O The parameters Max flow temperature and Min flow temperature mark the upper and lower limits of the flow temperature EB 5432EN 23 Functions of the heating circuit Examples for setting the characteristic Old building radiator design 90 70 New building radiator design 70 55 New building radiator design 55 45 Gradient approx 1 8 Gradient approx 1 4 Gradient approx 1 0 Underfloor heating depending on arrangement Gradient smaller 0 5 Weather compensated control room set point mode Functions WE Configuration Type of control 1 pied Room set point mode 1 F9 1 Parameter WE Level Range of values Day set point 20 C User level 10 to 40 C Night set point 15 C User level 10 to 40 C Gradient 1 6 CoPa level P1 0 2 to 3 2 Level O C CoPa level P2 30 to 30 C Min flow temperature 30 C CoPa level P3 O to 130 C Max flow temperature 80 C CoPa level P4 O to 130 C Weather compensated control Functions WE Configuration Type of control 1 akal Room set point mode 1 F9 O Parameter WE Level Range of values OT deactivating value in rated operation 22 C User level O to 50 C OT deactivating value in reduced operation 15 C User level 30 to 50 C Gradient 1 6 CoPa level P1 0 2 to 3 2 Level 0 C CoPa level P2 30 to 30 C Min flow temperature 30 C CoPa level P3 O to 130
20. ROVIS VIEW Operator Interface soft ware This software s operation is similar to Microsoft Windows Explorer The TROVIS VIEW software is supplied with the device specific module for he TROVIS 5432 Heating and District Heating Controller on CD ROM order no 6661 1002 The minimum system requirements can be found in the Data Sheet T 6661 EN for TROVIS VIEW as well as the readme txt file in the main directory of the CD ROM An infrared interface on the controller front panel is used for communication between PC and controller Data transmission between the RS 232 serial port on a PC and the integrated controller infrared interface requires an infrared adapter order no 8864 0900 SALZ 1 Infrared adapter 2 Connect to PC at optionally COMI to COMA ports Fig 7 Data transfer over the infrared interface 36 EB 5432 EN Installation 10 Installation The controller consists of the housing section and base The housing section contains the en tire electronics the display as well as the control knob The base contains the terminal strip The controller is suitable for mounting in control panels or on walls gt Fig 8 Note An adapter is available to mount the controller on top hat rails Control panel mounting oO RANES gt Press down the tongue on top of the controller Tip the housing forward and remove it from the base Make a cut out of 138 x 92 mm W x H in the control panel Insert the controlle
21. Range of values On off differential 5 C CoPa level P13 2 to 10 C Min activation time 120s CoPa level P14 O to 600 s Min deactivation time 120s CoPa level P15 O to 600 s 34 EB 5432 EN Malfunctions 8 Malfunctions The controller s reaction when a sensor is defective or a sensor is missing is described in fol lowing Flow sensor For three step control the control valve takes on the valve position 30 For on off control the controller regulates the on off output at 30 minute intervals as long as the time set under Minimum activation time P14 The icon blinks on the display when the sensor fails Outdoor sensor A flow temperature set point of 50 C is used for control or the Maximum flow tempera ture is used if the maximum flow temperature P4 is lower than 50 C The icon blinks on the display when the sensor fails Return flow sensor The return flow temperature limit function is deactivated Room sensor in room panel The flow temperature control is no longer affected by the measured room temperature The icon blinks on the display when the sensor fails DHW sensor The monitoring of priority changes to storage tank sensor if necessary Storage tank sensor There is no storage tank charging EB 5432EN 35 Infrared interface 9 Infrared interface The TROVIS 5432 Heating and District Heating Controller can be configured and operated over the front infrared interface using SAMSON s T
22. activated for 24 hours forced operation of the pumps is started at 12 00 h for one minute to prevent the pumps from getting stuck when they are not operated for a longer period of time 32 EB 5432 EN System wide functions 7 4 Limiting the return flow temperature The temperature difference between the flow and return flow in a network 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 network flow temperatures are predetermined The flow temperature set point is reduced when the return flow temperature measured at the return flow sensor S3 exceeds the limit temperature As a result the primary flow rate is reduced and the return flow temperature falls A PI algorithm is used to limit the return flow temperature The integral action cannot be parameterized Parameter WE Level Range of values Maximum return flow temperature 50 C CoPa level P5 20 to 90 C Kp Return flow temperature limit TO CoPa level P8 0 1 to 50 0 7 5 Three step control The flow temperature can be controlled with a PI algorithm The motorized valve reacts to pulses which the controller issues when a system deviation arises In particular the length of the first pulse depends on the size of the system deviation and the selected Kp Proportional gain the impulse length increases as the Kp increases The intervals between each pulse and t
23. ated Note The controller is in vacation mode when HoLidAY appears on the display The controller exits the vacation mode when the current set point is reset gt section 1 9 1 7 2 Outdoor temperature dependent deactivation Controller setting F1 1 and F9 1 The outdoor temperature dependent deactivation function places the heating circuit into the stand by mode dependent on the outdoor temperature The heating is deactivated when the outdoor temperature exceeds the active limit value plus 1 C on off differential however frost protection is still guaranteed appears on the display as the flow temperature set point while the outdoor temperature dependent deactivation function is active The functions of an existing DHW circuit remain unchanged The OT deactivating value in rated operation within the times of use and OT deactivating value in reduced operation outside of the times of use apply and are set in the user level 12 EB 5432 EN Operation Proceed as follows gt 3s Switch to user level Display Time Select OT deactivating value in rated operation or OT deactivating value in reduced operation gt lt Open data point OT deactivating value in rated Y Change data point preno x Confirm data point Select End on the display gt lt Switch to operating level OT deactivating value in reduced operation 1 8 Party mode constant rated operation Function independent of cont
24. e set point can be in creased or reduced by up to 5 C using a continuously adjustable rotary knob When the remote room controller room panel is connected and activated the corrected Room temperature set point is shown Functions WE Configuration Room panel 0 F7 1 5 8 Flash adaptation A Type 5257 5 Room Panel must be connected for the Flash adaptation function The flash adaptation counteracts deviations in room temperature by reducing or raising the flow temperature by up to 30 C The Cycle rate determines the time between each correc tion of the flow temperature set point by 1 C The flash adaptation is deactivated when the parameter Cycle rate P18 is set to O The measured room temperature then does not have any affect on the flow temperature control Note We recommend setting the flash adaptation initially with a cycle rate of 10 minutes Shorter cycle rates are more likely to have a negative effect particularly when cooling loads such as drafts or an open window affect the control Then the rooms may be temporarily overheated when the cooling load is eliminated Functions WE Configuration Type of control 1 Fle Room panel 0 F7 1 Parameter WE Level Range of values Cycle rate O min CoPa level P18 O to 100 min 28 EB 5432 EN Functions of the heating circuit 5 9 Room temperature based control A Type 5257 5 Room Panel must be connected for the Room temperature based control function however
25. ed operation within the programmed times of uses and in reduced operation outside of the times of use provided that the control operation is not deactivated due to the outdoor temperature The controller switches automatically between both operat ing modes Day mode constant rated operation Display PArTY or 3t Regardless of the programmed times of use the set points relevant for rated operation are used constantly by the controller Stand by mode vacation mode Display HoLidAY or In stand by mode the heating is switched off regardless of the programmed times of use The frost protection mode is still active Night mode reduced operation can only be set over the room panel Display Regardless of the programmed times of use the set points relevant for reduced operation are used constantly by the controller EB 5432EN 5 Operation 1 3 Display The current set point appears on the display during operation Which set point is displayed depends on The configured type of control The programmed times of use Weather compensated control room set point mode F1 1 and F9 1 Day set point time of use period or night set point outside of time of use period Flow temperature times of use period or reduced flow temperature outside of time of use period displayed in this example Appears on the depicted display Note The icon appears additionally on the display for a control funct
26. he interval length between pulses change continuously until the system deviation has been eliminated The interval length between each pulse is greatly influenced by the Reset time Ty the interval length increases as Tn increases The Valve transit time Ty specifies the time required by the valve to travel through the range from O to 100 Functions WE Configuration Control signal 1 P Parameter WE Level Range of values Kp proportional gain 2 0 CoPa level P10 0 1 to 50 0 Tn reset time 120s CoPa level P11 O to 999 s Ty valve transit time 45s CoPa level P12 10 to 240 s EB 5432 EN 33 System wide functions 7 6 On off control The flow temperature can be controlled for instance by switching a burner on and off The burner is switched on by the controller when the flow temperature falls below the set point T 0 5 x On off differential On exceeding the set point by T 0 5 x On off differential the burner is switched off again The larger the On off differential selected the less amount of switching involved The default setting of Minimum activation time enables a burner once it is switched on to run permanently for this time regardless of how long Likewise a burner that has just been switched off due to the temperature conditions when the programmed Min imum activation time remains switched off regardless how long for the time set Functions WE Configuration Control signal 1 Pao Parameter WE Level
27. ion for drying of jointless floors is indicated on the display by the 3 icon to gether with the icon The function is switched off automatically when the drying is completed Note A power failure or any change in the controller setting resets the drying function to restart Function WE Configuration Drying of jointless floors 0 F6 1 EB 5432EN 25 Functions of the heating circuit 5 4 Automatic deactivation of the heating The heating is automatical ly deactivated according to various criteria depending on whether the heating system is equipped with or without a room panel Weather compensated control room set point mode F1 1 and F9 1 without room panel Deactivation during day mode The outdoor temperature exceeds the Day set point by 1 C Deactivation during night mode The outdoor temperature exceeds the Night set point by 1 C Weather compensated control F1 1 and F9 0 without room panel Deactivation during day mode The outdoor temperature exceeds OT deactivating value in rated operation by 1 C Deactivation during night mode The outdoor temperature exceeds OT deactivating value in reduced operation by 1 C Weather compensated control F1 1 and F7 1 with room panel Deactivation during day mode The outdoor temperature exceeds the Day set point by 1 C Deactivation during night operating mode The Night set point is 17 C or
28. ioning with the room panel unit F7 1 A temporarily active set point corrected once is indicated on the display by the icon together with the icon refer to section 1 9 1 An active function for drying of jointless floors is indicated on the display by the 3 icon together with the icon refer to section 5 3 6 EB 5432 EN Operation 1 Days of week 1 4 6 Mon 1 to Sun 7 2 mmm 2 Times of use l 2 3 periods n A KI KI AN Ll 3 Malfunction NA NA O i serene LI Automatic mode Day operation 3 KU O xt O i Mi a rated operation 7 Night operation reduced operation 8 Outdoor sensor Room sensor 10 Hot water demand Fig 1 Icons 1 4 Displaying data The times of use periods measured values as well as set points or limit values can be re trieved and displayed in the user level gt Fig 10 on page 49 The controller configuration determines which measured values as well as which set points or limit values appear on the display Proceed as follows gt 3s Switch to user level Display Time Select value The different data points appear on the display in sequence Display Meaning Current time of use Di gt Open data point Times of use Display daily times of use gt Confirm Times of use by pressing the knob when End appears on the display EB 5432 EN 7 Operation Display Meaning oe Day set point or flow temperature set point F1
29. l CoPa level Display O nr blinks Set key number Confirm key number Display F1 Select function block F2 gt Open function block F2 Activate function block F2 Display F2 1 gt lt Activate manual operation mode Display and StoP O Move the actuator manually oPEn OPEN 3 step signal activate output on off signal StoP Last position 3 step signal deactivate output on off signal cLoSE CLOSED 3 step signal Note The frost protection function is not active in manual operation mode 16 EB 5432 EN Manual operation mode Exit manual operation mode Select cLoSE on the display gt 3s Close manual operation mode and return to operating level Displaying measured values during manual operation mode Select StoP on the display 3s Switch to user level Display Time Select the measured values t1 to i5 in sequence Select End on the display Switch to menu for moving actuator manually oPEn StoP or cLoSE Note The manual operation mode is maintained even after a power failure display StoP EB 5432EN 17 Systems 4 Systems The heating system can be designed either as a primary system secondary system or a sin gle stage boiler system The flow temperature can either be controlled weather compensated based on the room temperature or a fixed set point The hydraulic schematics of the heating system and the con troller configuration are the fact
30. mum distance 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 in let or outlet using the largest possible cross section Connect the central grounding point and the PE grounding conductor with a cable gt 10 mm using the shortest route Inductances in the control cabinet e g contactor coils are to be equipped with suitable interference suppressors RC elements Control cabinet elements with high field strength e g transformers or frequency convert ers should be shielded with separators providing a good ground connection Overvoltage protection If signal lines are installed outside buildings or over large distances make sure appropri ate surge or overvoltage protection measures are taken Such measures are indispens able for bus lines The shield of signal lines installed outside buildings must have current conducting capac ity 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 wiring diagram Open the housing to connect the cables To connect the feeding cables make holes in the marked locatio
31. n 32 Automatic summer time winter time changeover 32 Frost protection a a ee Si eo ae een eh 32 Forced operation of the pumps 22 22 2 nn nn 32 Limiting the return How temperature 222222 22m 33 EB 5432EN 3 Contents 75 7 6 10 11 12 12 1 12 2 12 3 12 4 12 5 4 EB 5432 EN Three step control AA 33 On off control o 34 Malfunctions aaa a a 35 Infrared interface 2 2 2 oo oo 36 Installation UA 37 Electrical connection 2 CC oo on 39 Appendix 2 a 41 Function block list A Parameter list 0 on A2 Resistance values with Pt 1000 sensor 2 2 08 6 43 Technical data oo oo 43 JE ss ia 2 nee AA AA Index 46 Abbreviations Co oo 48 Operation 1 Operation The controller is ready for use with the temperatures and operating time schedules preset by the manufacturer On start up the current time and date need to be set at the controller gt section 1 5 1 1 Control knob Turn o x Select parameters displays and temperature displays Press X Confirm adjusted selection or settings Press for three seconds 3s Switch from the operating level to the user level as well as from the user level to the installation level 1 2 Operating modes Automatic mode Display and 3 in the time of use periods and outside of the times of use periods The controller works in rat
32. ns underneath on the base and fit suitable grommets or cable glands Connecting the sensors Cables with a minimum cross section of 2 x 0 5 mm2 can be connected to the terminals at the controller base unit EB 5432EN 39 Electrical connection Note The controller can only be operated with Pt 1000 sensors Connecting the actuators Connect cables with at least 1 5 mm suitable for damp locations to the terminals of the con troller output The direction of travel needs to be checked at start up gt section 3 Connecting the pumps Connect all cables with at least 1 5 mm to the terminals of the controller as illustrated in the connection diagram po Et EEE HE BE oO apafojajsjojzfajofroj Lnfizlssl slishielizlis Cl E Typa 5267 5 Room Panel TW on off HK on off Fig 9 Electrical connection 40 EB 5432 EN 12 Appendix 12 1 Function block list Appendix F 8 Function WE Comments F1 Type of control 1 F1 1 Weather compensated control F1 O Fixed set point control or F1 O and F7 1 Room temperature based control F2 Manual operation of O F2 1 Manual operation mode active actuator F3 Delayed adaptation to O F3 1 Delayed adaptation to outdoor temperature outdoor temperature only effective with F1 1 F4 Control signal 1 F4 1 3 step control FA 0 On off control F5 Summer time winter time 1 F5 1 Changeover active changeover F
33. ontrol Fl O and F7 1 Setting With or without S3 depending on the circuit Storage tank charging over storage tank sensor 2 depending on the circuit Monitoring priority at 52 Comments 22 EB 5432 EN Functions of the heating circuit 5 Functions of the heating circuit 5 1 Weather compensated control When weather compensated control is used the flow temperature is adjusted according to the outdoor temperature The heating characteristic in the controller defines the flow temper ature set point as a function of the outdoor temperature gt Fig 5 VL Flow temperature tA Outdoor temperature 20 20 16 12 8 4 0 4 8 12 16 20 Cl Fig 5 Gradient characteristics Basically the following rule applies a drop in outdoor temperature causes the flow tempera ture to rise By varying the parameters Gradient and Level you can adapt the characteristic to your individual requirements Increasing Gradient results in a higher flow temperature de creasing Gradient in a lower flow temperature The parameter Level performs a parallel shifting of the heating characteristic in upward or downward direction Outside the times of use reduced set points are used for control The reduced flow set point is calculated either as the difference between the adjusted values for Day set point rated room temperature and Night set point reduced room temperature or dependent on the parameter
34. ors that determine how the flow temperature is controlled Primary system indirect j JE Primary system direct j HK 3 step S3 UP Si S4 52 HK 3 step UP SI S3 S4 2 BE BE BA BA AE AE 0 RK RK Secondary system I Boiler system g Single stage boiler UPHK 3 step S1 s3 S4 532 HK on off S UP SA S2 BE BE BA BA AE AE RK RK e 18 EB 5432 EN Systems Weather compensated control without room panel default setting Setting F1 1 with outdoor temperature sensor S2 F7 O without room panel Comments With or without S3 depending on the circuit FA O for single stage boiler system Storage tank charging DHW priority possible gt Figs 2 and 3 Weather compensated control with room panel Setting F1 1 with outdoor temperature sensor S2 F7 1 with room panel Comments With or without S3 depending on the circuit FA O for single stage boiler system Storage tank charging DHW priority not possible Fixed set point control Setting Comments F1 O without outdoor temperature sensor S2 F7 O without room panel With or without S3 depending on the circuit F4 O for single stage boiler system Storage tank charging DHW priority possible gt Figs 2 and 3 Room temperature based control Setting F1 O without outdoor temperature sensor AS F7 1 with room panel Comments With or without S3 depending on the circuit
35. os oe a ee A So ee ew 5 Operating modes o oa a AA 5 DISPO ae eek ba AA 6 Displaying zn sei 0445464455640 Gon oo 4 4 7 Setting the system time oo oaa AG 9 Setting the times of use 2 2 o 10 Stand by mode zu ea kav mk BA PERE HEHE RA AA EEG 12 Vacation mode lt o 4 066 522 02 ham sa os 12 Outdoor temperature dependent deactivation 12 Party mode constant rated operation 0 13 Correcting the set point 22 2 2 2 ee 14 Correcting the set point temporarily 0 14 Correcting the set point permanently 0 14 Selami Proa ee ee ae ee eS lo Configuration and parameterization o 15 Manual operation mode AG 16 Systems cocoa aa ss DES 18 Functions of the heating circuit o 23 Weather compensated control 2 222 222 o 23 Fixed sel point control cos rra ea 25 Drying of jointless floors y 22060003 Po Baw la AG 25 Automatic deactivation of the heating 2 2222 222 202 26 Outdoor temperature dependent advance heating 27 Delayed adaptation to the outdoor temperature 27 Remote control lt lt sonoro fee aoa wee eee od 28 Flash adaptation 4 4 4 6 4 we 4459 58 w amp eae e 28 Room temperature based control 2222 22 2 ee 29 Functions of the DHW circuit 0 4 30 DAW PHONY maawa oe ete we Ah oO ea EGE eae ee 30 System wide functions one
36. r each day or for an entire week If you want to set the times of use for certain days to be different than the rest of the week we recommend you set the times of use for the entire week first display 1 4 6 and then al ter the times of use for each day which require different times of use The week setting of the times of use writes over any already programmed times of use Parameter WE Range of values Time period day 1 7 U 4 6 7 daily 1 Monday 2 Tuesday ie Sunday Start time of first time of use 07 00 00 00 to 24 00 h in steps of 30 minutes Stop time of first time of use 22 00 00 00 to 24 00 h in steps of 30 minutes Start time of second time of use 22 00 00 00 to 24 00 h in steps of 30 minutes Stop time of second time of use 22 00 00 00 to 24 00 h in steps of 30 minutes Start time of third time of use 22 00 00 00 to 24 00 h in steps of 30 minutes Stop time of third time of use 22 00 00 00 to 24 00 h in steps of 30 minutes Note The controller includes an optimized activation function which makes sure the controller auto matically changes to the valid set point 34 blinks six hours at the earliest before the pro grammed time of use starts to compensate for low outdoor temperatures 10 EB 5432 EN Operation Proceed as follows 3s Switch to the user level Display Time Select Times of use gt Open data point Times of use blinks Select time period day and times of use
37. r housing through the panel cut out Use the two threaded bolts located at the side of the housing and the clips to clamp the housing in the panel Install the electrical connections in the base as described in section 11 First attach the lower part of the base to the housing and then snap on the top part Wall mounting Press down the tongue on top of the controller Tip the housing forward and remove it from the base If necessary drill holes at the intended place using the specifications given Fasten base with screws Install the electrical connections in the base as described in section 11 First attach the lower part of the base to the housing and then snap on the top part EB 5432 EN 37 Installation AI UT 2 N a z Holes for adapter to mount on top hat rail 3 35 Fig 8 Installation 38 EB 5432 EN Electrical connection 11 Electrical connection A Caution For electrical installation you are required to observe the relevant electrotechnical regula tions of the country of use as well as the regulations of the local power suppliers Make sure all electrical connections are installed 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 im munity observe a minimum distance of 10 cm between the lines Make sure the mini
38. roller setting The party mode function sets the controller in rated operation mode regardless of the pro grammed times of use the Set point day or Flow temperature set point are constantly used by the controller The party mode function is set in the operating level set point display Proceed as follows Select menu PArtY turn knob to the right as far as it will go The display blinks gt Confirm party mode Alternatively Wait 3 minutes until the display stops blinking The party mode is activated Note The controller is in constant rated operation when PArtY appears on the display The controller exits the constant rated operation mode when the current set point is reset gt section 1 9 EB 5432EN 13 Operation 1 9 Correcting the set point The current set point is displayed in the operating level In rated operation the Day set point or the Flow temperature set point appears on the display gt section 1 3 In reduced opera tion the Night set point or the Reduced flow temperature set point appears on the display 1 9 1 Correcting the set point temporarily The current set point which appears on the display can be changed for just as long as the rated operation mode programmed time of use period is running or the reduced operation mode outside of the time of use period is running This temporary correction of the set point is made in the operating level set point display Proceed as follows
39. tion to the outdoor temperature The calculated outdoor temperature is used to determine the flow temperature set point The heat response is delayed when the outdoor temperature either gets colder or warmer If the outdoor temperature varies by for example 10 C within a very short period of time the calculated outdoor temperature is adapted to the actual outdoor temperature in small steps Assuming a Delay of 5 C h the adaptation would take t adi 2h The delayed adaptation to the outdoor temperature helps avoid unnecessary overloads of central heating stations in combination with either overheated buildings occurring for exam ple due to warm winds or temporarily insufficient heating due to the outdoor sensor being exposed to direct sunshine Note The described function can only be activated together with weather compensated control Functions WE Configuration Type of control 1 Pila Delayed adaptation to outdoor temperature O F3 1 Parameter WE Level Range of values Delay 3 C h CoPa level P7 1 to 6 C h EB 5432 EN 27 Functions of the heating circuit 5 7 Remote control Apart from measuring the room temperature the Type 5257 5 Room Panel Pt 1000 sensor provides the following opportunities of influencing the control process Selection of the operating mode Automatic mode Rated operation day Reduced operation night Set point correction during rated operation the room temperatur
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