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EQJW 125: Heating controller

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1. EQJW 125 Heating controller User s Manual 7001029003 A 7001029003 A Printed in Switzerland Subject to changes O Fr Sauter AG Im Surinam 55 CH 4016 Basel www sauter controls com 7001029003 A O Fr Sauter AG EQJW 125 Heating controller Table of contents Table of contents 7001029003 A Fr Sauter Ltd Table of contents iii dit ns tn ete acess 3 Symbols used in this Manual cccsecceeeeseeeeeeeeeeneeeeeeeeeeseaeseseeeeneeeeseeeseseaesnseeeeeeeaess 7 1 General information ss seen eeneeeeeeeeeseaesesaaesnseeeeeeeeeneaeseneeeeneeeeneas 9 1 1 Introductio hassa A PT 9 1 2 Safety information justa ito 9 2 Description of the controls sms 11 2 1 Front view of the EQUW 125 iii 11 2 2 Rotary SWOR sairone A a te 12 2 3 IMPUUKNOD sites nina ete Main nie 12 2 4 ESC button sise 12 2 5 DISPIAY ss A gabe ctiees eases eh a 13 3 COMMISSIONING oe soices r e ae ea nn ii 15 3 1 Operating the device for the first time ccccceeeseeeseeeeseeeeeeteeeteeeeeees 15 S11 Setting the times mate en Mine de nent A 15 3 1 2 Setting the date 15 3 2 SERVIC Mode iia ara 16 3 2 1 Accessing SERVICE mode cocooccconocccionccconccconncnnancnnnnncanancn nana nnnnncc nana cannnrs 16 3 2 2 Viewing SERVice parameters 16 3 2 3 Changing SERVice parameters ococinocccinnccconccconnccnoncncnnnnnnnncnnancn narco 17 3 2 4 List of SERVice parameters 17 3 2 5 Explanations of SERVice
2. Command Date Numerical value 1 3 1 1 2 decimal 13112 1 stand by mode 2 reduced mode 3 normal mode Notes on the weekly and calendar switching programme All registers for unused switching commands should contain the numerical value of 0 The switching commands should be entered in chronological order time or date the first command of the day or year should therfore be Commandt 6 3 2 Modbus data points coils Number of Description Comments Set Delete Coil 0 Coil 1 coil register Coil 0 Coil 1 means means 4 Collective bit Control of all functions Yes No As Auton specified 57 Bit for terminal 6 Heating medium pump see coil Yes Yes Off On register 96 89 Bit for operating Switch over operating mode Yes No As Auton mode see holding register 40106 specified 90 Bit for final control Control of final control element Yes No As Auton element see holding register 40107 specified 96 Bit for heating Control of heating medium pump Yes No As Auton medium pump specified 116 Bit for setpoint value Calculation of the setpoint value for Yes No As Auton TF TF specified 150 Manual mode Enable manual mode Yes Yes Inactive Active 157 Disable modem Dialling the control station via modem Yes Yes Inactive Active if a fault occurs is disabled see CP23 48 7001029003 A O Fr Sauter AG EQJW 125 Heating controller
3. Modbus address This address is used to identify the controllers for RS485 or modem operation Each address must occur only once within a system Modbus via modem phone number of the control station The telephone number of the BMS modem must be entered here including the dialling code or for example a O for extension systems Short pauses between the digits can be entered with P 1 second and the end of the number is identified by The phone number can comprise a maximum of 22 digits including pauses SMS via modem telephone number of the provider The telephone number for the provider s SMS forwarding service must be entered here including the dialling code or for example a O for extension systems Short pauses between the digits can be entered with P 1 second and the end of the number is identified by The phone number can comprise a maximum of 22 digits including pauses When selecting the provider make sure that TAP Telocator Alphanumeric Protocol is used SMS via modem telephone number of the mobile phone The telephone number of the mobile phone must be entered here including the complete dialling code e g 00 41 The phone number can comprise a maximum of 22 digits Device bus time synchronisation If CP 09 is set to 1 this controller sends time information on the device bus every 24 hours All devices with CP 09 set to 0 will evaluate this information and set their clocks accordingly Withi
4. 1 connection of room sensor NI1000 2 Connection for EGS 52 15 or EGT 333 with room sensor 3 Connection for EGS 52 15 or EGT 333 without room sensor Using the EGS 52 15 room operating unit it is possible to change the controller s operating mode remotely Moreover the EDB 100 room operating unit can be connected via the device bus and can be used to change the operating mode The operating mode on the EQJW 125 can also be changed via a control station using Modbus In the event of contradictory commands the following priorities apply i the settings on the EQUW 125 itself have priority 1 ii the settings via the EDB 100 room operating unit via the device 20 7001029003 A Fr Sauter AG EQJW 125 Heating controller Commissioning SP08 SP09 SP10 SP11 SP12 SP13 7001029003 A Fr Sauter Ltd bus or a setting via the Modbus have priority 2 iii the settings via the binary input have priority 3 The settings on the EGS 52 15 room operating unit have the lowest priority If the setpoint for the room temperature is altered via the setpoint adjuster of the EGS 52 15 or EGT 333 room operating unit this causes a change in the actual value for the room temperature at the sensor input of the EQJW 125 This adjusts the flow temperature and therefore the heating output for the room Room temperature connection A room temperature sensor resistance sensor Ni1000 or device bus is a requirement for this functio
5. 23 25 EQJW 125 Heating controller Commissioning 3 3 2 3 3 3 26 Viewing the communication parameters x EP 03 1 Turn the input knob ww 2 Select the communications parameter you want OK o EA 1 a a 13400 g 3 Push the input knob A e The value for the parameter is shown CP 03 a To leave the value unchanged push ESC to exit from the display Changing communication parameters CP 92 1 Turn the input knob 2 Select the communications parameter you want sl z f a ia E eA A 1900 g 3 Push the input knob e The value of the parameter is shown Loa N 960 i 4 Turn the input knob A ui e The value of the parameter is changed a N j A r p p J 5 Push the input pie e The new value is confirmed db Push the ESC button to cancel the procedure The value will not be accepted unless it has already been confirmed 7001029003 A O Fr Sauter AG EQJW 125 Heating controller Commissioning 3 3 4 List of communication parameters Parameter f Description Range Step Value CP01 Serial number of EQJW 125 read only CP02 2 Type of communication 0 4 1 0 no communication 1 device bus 2 MOD bus via RS485 3 MOD bus via modem 4 SMS via modem 5 MOD bus and SMS via modem CP03 19200 Baud rate 9600 19200 CP04 Device bus address EQUW 125 1 32 auto 1 CPO5
6. MOD bus via RS485 address EQJW 125 1 247 1 CP06 MOD bus via modem phone number of the control station 1 CP07 SMS via modem telephone number of the provider TAP protocol 1 CP08 SMS via modem telephone number of the mobile phone 1 CP09 1 Device bus time synchronisation 0 1 1 0 not enabled 1 enabled CP10 0 Device bus send outdoor temperature 0 1 1 0 not enabled 1 enabled CP11 0 Device bus receive outdoor temperature 0 1 1 0 not enabled 1 enabled CP12 0 Device bus send heat requirement TF 0 1 1 0 not enabled 1 enabled CP13 0 Device bus receive heat requirement TF 0 1 1 0 not enabled 1 enabled CP14 0 Device bus send error 0 1 1 0 not enabled 1 enabled CP15 0 Device bus EDB 100 digital room operating unit 0 1 Q EDB 100 not connected 1 EDB 100 connected CP16 Device bus address of EDB 100 room operating unit auto 2 32 1 7001029003 A 27 O Fr Sauter Ltd EQJW 125 Heating controller Commissioning fn Parameter Description Range Step Value CP17 SMS or MOD bus via modem automatic configuration of modem 0 1 1 0 not enabled 1 enabled CP18 5 SMS or MOD BUS via modem dialling pause in minutes 0 255 1 CP19 5 SMS or MOD BUS via modem time out in minutes 1 255 1 CP20 5 SMS or MOD bus via modem number of dialling attempts 1 255 1 CP21 0 SMS or MOD bus via modem send message even if error is
7. The anti frost function becomes active if the outdoor temperature falls below the anti frost limit 3 C If the outdoor temperature rises above 4 C again the function is ended The flashing symbol indicates that the anti frost function is active It forces the circulating pump for the heating circuit to switch on The setpoint for the flow temperature of the heating circuit is set at 10 C unless it is already higher In addition regardless of the outdoor temperature temperature TF flow sensor is monitored to a limit value of 5 C If SP20 0 the function can be disabled and the controller will no longer offer an anti frost function in this case Anti jamming function for the pump If this function is enabled a daily check is carried out at 0 00 hours to determine whether the pump was operated in the last 24 hours If not it is operated for one minute to prevent jamming Calendar switching programme This SERVice parameter is used to either enable or disable the calendar switching programme Only when the calendar switching programme is enabled can calendar switching commands be entered If the parameter has a value of 1 the calendar switching programme is enabled if it has a value of O it is disabled The factory setting for this parameter is 1 Summer winter or winter summer time change Thanks to the calendar time switch integrated into the equitherm EQUW 125 the winter summer time change and the summer winter time chan
8. F Calendar switching programme is currently active E rror An error has occurred see Section 7 Ne Funktion Floor drying operational heating is active Nx 7001029003 A 13 O Fr Sauter Ltd EQJW 125 Heating controller Description of the controls 14 7001029003 A Fr Sauter AG EQJW 125 Heating controller Commissioning 3 Commissioning 3 1 Operating the device for the first time When you operate the equitherm EQJW 125 for the first time you have to set the date and time The controller is then basically ready to use However depending on the particular application it may be necessary to change more settings after this 3 1 1 Setting the time fe b 3 1 2 Setting the date 7001029003 A O Fr Sauter Ltd 000 000 1506 1505 Set the rotary switch to automatic mode e the time is shown Press the input knob e the time flashes Turn the input knob e the time is set Press the input knob again e the new time is confirmed Set the rotary switch to automatic mode e the time is shown Turn the input knob until the date is shown e day month and year are shown alternately Press the input knob e the number of the year flashes Turn the input knob e year is changed Press the input knob e year is confirmed and day month are shown Turn the input knob e the date is changed Push the input knob e new date is confirmed EQJW 125 Heating contr
9. A 33 O Fr Sauter Ltd EQJW 125 Heating controller Operation 4 2 ESG A retained l 34 3 i After you select the switch position the current time is shown The current operating status here sun for normal mode daytime operation and the current status of the outputs are shown on the lower margin of the display in this case not illustrated here see Section 2 5 Turn the input knob clockwise to show the room setpoint temperature only if a room sensor is present then the current actual value for the room temperature only if a room sensor is present the flow setpoint not available in OFF mode or summer mode for example the current actual value for the flow temperature and the outdoor temperature that is currently measured Turn the knob further in a clockwise direction to display the time again Entering the setpoint temperature in normal mode gt Press the ESC button once before confirming to cancel the input the old value is After you select the switch position the current room setpoint temperature for normal operation is shown Push the input knob and the numerical value will flash and you can now change it by turning it upwards or downwards step value 0 1 C Push the input knob again to confirm the changed numerical value 7001029003 A O Fr Sauter AG EQJW 125 Heating controller Operation 4 3 Entering the setpoint temperature in reduced
10. Communication functions Number of Description Commenis Set Delete Coil 0 Coil 1 coil register Coil 0 Coil 1 means means 158 Dial if error is Dial the control station even if error is Yes Yes Inactive Active rectified rectified again see CP21 159 Time out for control EQJW 125 closes the connection to Yes Yes Inactive Active station the control station after 30 minutes see CP24 Tab 5 Modbus data points If a function is specified to the EQJW 125 via modbus by the control station through the holding register the associated coil register is automatically set to 1 i e deleted In addition the collective bit number 4 of the coil register is also set to 1 Examples of this include holding registers 40106 40107 and 41000 and also the associated coil registers 89 90 and 116 If coil register 57 is deleted coil register 96 and coil register 4 are automatically deleted as well Coil registers 4 89 90 96 and 116 cannot be deleted directly They are deleted by modifying the associated holding register or in the case of coil register 96 the associated coil register 57 The other registers can be set or deleted These results in the consequences listed in the table i e a function is enabled or disabled or the heating medium pump is switched on or off All the coil registers can be set This means that the functions are controlled from the EQJW 125 numbers 57 89 90
11. change 7001029003 A O Fr Sauter Ltd o 2h Push the input knob e The switching command is called up Turn the input knob Choose whether you want to delete the switching command Clr or change it SEt Push the input knob your selection is confirmed e If the switching command was deleted the next switching command is shown or __ _ _ if there are no more switching commands For a change SEt the rest of the procedure is as described in the Section on Entering a switching command Set the rotary switch to the party symbol Turn the input knob set the duration for the temperature change h hours d days t until the next switching command minimum 2 h Push the input knob e The duration is confirmed Turn the input knob select the mode LD or Push the input knob Confirm the mode While the time is running down the remaining time is shown in days hours or minutes After the temporary temperature change has finished the heating circuit is again controlled in accordance with the automatic mode Use the ESC button or set the rotary switch to another position to cancel the temporary temperature change function 39 EQJW 125 Heating controller Manual mode 5 Manual mode In manual mode you can control the plant by hand during installation or in case of a fault No regulating takes place in manual mode The pump is switched on or off The valv
12. condensation Conformity EMC immunity EN 12098 and CE EN 61000 6 1 2 EMC irradiation EN 61000 6 3 4 Safety EN 60730 1 Weight with base approx 0 4 kg Dimensions with base W x H x D 146 x 98 x 41 Time switch Running capacity Accuracy Switching period for weekly programme Number of switching commands in weekly programme Min 24 hours after supply was connected for min 4 hours parameters switching commands are stored permanently lt 1sec day 10 min 6 per day or 48 per week panel Switching period for calendar prog 1 day Number of switching commands in 20 calendar programme Inputs 2 temperature sensors Ni1000 1 temperature sensor or remote control Ni1000 62 7001029003 A Fr Sauter AG EQJW 125 Heating controller Technical data 7001029003 A O Fr Sauter Ltd Outputs relay output for pump relay outputs for final control element 3 relays normally open contact 230V 2A cos gt 0 5 permitted start up current 7A max 1sec 2 x normally open contacts 230V 0 5A cos gt 0 5 Interface electrical specification interface protocols RS485 2 wire similar to RS232 Modbus slave format Modbus RTU connection with control station or alternatively device bus for connection to other devices Measuring accuracy better than 0 3 K a 25 C Time constant for process
13. mode ESC ae A gt Press the ESC button once before confirming to cancel the input the old value is retained 1 After you select the switch position the current J l 5 ik room setpoint temperature for reduced mode is shown D c 2 Push the input knob and the numerical value will flash O O ive Do and you can now change it by turning it upwards or downwards step value 0 1 C a in D oo Push the input knob again to confirm the changed numerical value 9 e Din 4 4 Weekly switching programme The weekly switching programme repeats itself every week It comprises a maximum of 48 switching commands 6 for each day and another 6 for the whole week with the associated operating modes which can be entered in a10 minute grid The switching commands can be modified individually and they are captive A switching command may be valid every day 1 7 orona specified day of the week Mon 1 Tue 2 etc If a switching command is present on a certain day of the week Mon Tue etc the daily switching command 1 7 is not valid on that day An empty switching programme is interpreted as a switching programme in normal mode The ex works setting for the weekly programme is Day Time Mode Daily 06 00 Normal mode Daily 22 00 Reduced mode You are recommended to note any change to the weekly switching programme in the relevant table in Section 14 700102
14. night temperature Normal mode normal room temperature day temperature Automatic mode controller changes the mode automatically according to the weekly and calendar programmes that have been set Automatic mode should be selected in normal cases The positions of the rotary switch on the right hand side allow you to change the device settings In these positions the controller operates in automatic mode Setpoint adjustment normal mode day Setpoint adjustment reduced mode night Enter switching programme Limited temperature change Service level and communication parameters contains all the other parameters heating characteristic control parameters communication settings etc Display in automatic mode ESG A 0 gt Press the ESC button once to go directly to the time display You can also turn the knob in the opposite direction to scroll backwards through the displays In special cases more displays can be added to the display loop e g the Error display see section 7 can be added in case of a fault a display of the connection status can be added for modem operation This is mainly needed for commissioning or in case of faults on the plant Normal mode corresponds to nominal mode as per EN12098 1 7001029003 A Fr Sauter AG EQJW 125 Heating controller Operation 4 22 1 After you select the switch position the current Xt time is shown The current operating
15. parameters 20 3 3 Communication mode nn cnn cn nnn cn carr nnrnrnranrcnnn 25 3 3 1 Access to communication mode 25 3 3 2 Viewing the communication parameters 26 3 3 3 Changing communication parameters ooocccincccinnccnnncccnonccnannnnnncananancnnnos 26 3 3 4 List of communication parameters oooooocccnnnnccccnnoncccnnnnncnnnnonnnnnnnnnnnncnnnnns 27 3 3 5 Explanations of communication parameters 28 4 Operation nai 32 4 1 Operating modes is 32 4 1 1 Display in automatic mode 32 4 1 2 Display when OFF mode reduced mode and normal mode are set 33 4 2 Entering the setpoint temperature in normal mode 34 4 3 Entering the setpoint temperature in reduced mode 35 4 4 Weekly switching programme oooccccnccccccnncoccnnnanoncnonanon cnn naar cnn rnnencnnrnnnnno 35 4 4 1 Calling up the weekly switching programme 36 3 EQJW 125 Heating controller Table of contents 4 4 2 Viewing switching COMMANAS ccooooccccnonccccnnonnncncnnnnncnnnnnnnnnnonncnnnannnncnnanns 36 4 4 3 Entering a switching command 36 4 44 Changing and deleting a switching command c cceeeeeeeteteeeeeeees 37 4 5 Calendar switching programme ccccccceeeeeeeeeeeseeeeeeeeeeteaeeseneeesseeeeaes 37 4 5 1 Calling up the calendar switching programme cccceeeeesteeteeeeeeees 37 4 5 2 Viewing switching COMMANAS ccooooccccnnn
16. status here sun for normal mode daytime operation and the current status of the outputs are shown on the lower margin of the display in this case not illustrated here see Section 2 5 k date The numbers of the month day and year alternate continuously in the display J 2 Turn the input knob clockwise to show the xO Mu Qu a C3 3 Turn the knob clockwise again to see the room setpoint temperature only if a room sensor is HS 4 O ru co F TN present L ca Siz the current actual value for the room n 2 J i i temperature only if a room sensor is present DN L nn the flow setpoint not available in OFF mode or J 548 summer mode for example B II CO Ny e the current actual value for the flow A 2 y l 546 temperature I RSS Sedo La J Yer and the outdoor temperature that is currently cl A measured L E qee 4 Turn the knob further in a clockwise direction to display the time again 4 1 2 Display when OFF mode reduced mode and normal mode are set Press the ESC button once to go directly to the time display You can also turn the knob in the opposite direction to scroll backwards through the displays In special cases more displays can be added to the display loop e g m de Di the Error display see section 7 can be added in case of a fault a display of the connection status can be added for modem operation 7001029003
17. target temperature call up various data and change the operating mode To connect the EDB 100 room operating unit with the EQUW 125 the two device bus terminals on the room operating unit should be connected with terminals Data1 and Data2 on the controller polarity is irrelevant The room operating unit requires its own power supply On the EQUW 125 parameter CP15 should be set to 1 in order to use the room operating unit The address of the room operating unit is set via parameter CP16 6 2 3 Sending and receiving outdoor temperatures Controllers which have an outdoor temperature sensor can be configured so that they make the measured outdoor temperature value available to other controllers via the device bus This allows weather compensating control even in installations with no outdoor temperature sensors of their own To send an outdoor temperature set parameter CP10 to 1 and to receive one set parameter CP11 to 1 6 2 4 Requesting and processing a heat requirement One or more controllers can be connected downstream in a controller grouping You can use parameter CP12 to send the required flow temperatures for the various downstream control circuits to the controller for the primary circuit If CP13 is set to 1 on the controller for the primary circuit these data will be received The controller will then control the highest flow temperature sent to it in the primary circuit 6 2 5 Synchronising the time If several
18. 5 Heating controller Communication functions Number of Description Comment Read Decimal Units With holding only points math register sign 40146 Cycl_Init_Modem Modem cyclical initialisation no 0 min no 40147 DialPause_Modem Modem dialling pause after engaged tone no 0 min no 40148 DialRpt_Modem Modem number of dialling attempts no 0 no 40149 Time out_Modem Watchdog Modem time constant no 0 min no 40150 Device statusReg Device status register yes 0 no 40152 ErrorstatArchiv Device status archive no 0 no 40154 ErrorCounterReg Error counter register no 0 no 41000 FlowSetp_Rk1 Flow setpoint no 1 C yes 41001 MaxFlow_Rk1 Maximum flow temperature no 1 C yes 41002 MinFlow_Rk1 Minimum flow temperature no 1 C yes 41003 Day_Setp_Rk1 Setpoint normal mode no 1 C yes 41004 Night_Setp_Rk1 Setpoint reduced mode no 1 C yes 41006 Slope_HeatCh_Rk1 Slope of heating characteristic no 1 no 41065 Kp_Rk1 Y1 Proportional band no 1 no 41066 Tn_Rk1 Y1 Reset time no 0 sec no 41067 Ty_Rk1 Run time for actuator no 0 sec no 42000 to Switching 48 possible switching commands for the 1 no 0 no 42047 commands heating circuit 42500 to Calendar switching 20 possible switching commands for the no 0 ng 42519 program calendar switching program Tab 3 Modbus data points i The data points are transmitted in 16 bits 46 7001029003 A Fr Sauter AG EQJW 125 H
19. 7001029003 A Fr Sauter AG EQJW 125 Heating controller Communication functions 6 4 3 Displays for modem operation When modem operation is enabled an additional item appears in the display loop to show the current modem status The following displays may appear here No communication modem on standby PAUSE No communication dialling pause has not yet elapsed however calls are accepted Modem is being initialised There is a connection to the provider or the control station CALL The connection is being built up The connection is being disconnected OER It was impossible to reach the provider or the control station with the permitted number of dialling attempts new dialling attempts will be made on the next day Tab 6 Display for modem operation 6 5 Setting parameters using the PC The EQJW 125 can be configured and parameterised with a PC using an additional USB adaptor and the Config equitherm software To do so the adaptor should be connected to the terminals for Modbus communication on the EQUW 125 Modbus RTU CP02 2 is the type of communication that has been set ex works However the address 255 has been set rather than a valid Modbus address in the range 1 247 This makes it possible to communicate with the controller via the Config equitherm software without having to set communication parameters on the EQUW 125 It is not possible to communicate with non configured controllers if there are sever
20. 9003 A 35 Fr Sauter Ltd EQJW 125 Heating controller Operation 4 4 1 Calling up the weekly switching programme O 4 Set the rotary switch to PROG l Push the input knob e The weekly programme is selected a 1 _ 7 6 Turnthe input knob QL I 7 Select the day of the week 1 Monday 2 Tuesday 1 7 daily G 5 Friday has been selected here A Y n nn n 8 Push pills mn RA Y U UU LI e The first switching command for this day or for the whole week is shown 4 4 2 Viewing switching commands v a Turn the input knob the individual switching TENA Xt commands are shown oe g 10 O e An empty switching command is shown as 4 43 Entering a switching command cy a 1 Turn the input knob until you reach the next SS empty switching command e ogogo 2 Push the input knob Nuy a a e The new switching command is shown N f 3 Turn the input knob o 4 a 4 g e The time for the switching command is changed a 0600 4 Push the input knob e The time for the switching command is confirmed 0 6 40 5 Turn the input knob Select the mode for the switching command 6 A MC UN 7 Push the input knob e 0 Yi 7 Push the input kno e The mode is confirmed 36 7001029003 A O Fr Sauter AG EQJW 125 Heating controller Operation 4 4 4 Changing and deleting a switching command Show the switching command as described in t
21. 96 116 or that the functions are activated as a basic rule nos 150 157 158 159 If coil register 4 is set then coil registers 89 90 96 and 116 are also set automatically as a result 6 4 Modem operation A modem of type KT DataMod10 can be connected to the communication interface terminals 18 to 21 via a special connection line This modem can be used for Modbus communication with a control station or to send error messages via SMS In both cases the controller can build up a connection automatically if a fault occurs The two functions can be combined in this case an error is signalled via SMS and via Modbus 6 4 1 Modbus operation via modem 7001029003 A Fr Sauter Ltd CP02 must be set to 3 or 5 In Modbus mode the controller accepts calls from a control station to the modem In the event of an error the control station is called on the telephone number entered at CPO6 The line between the controller and the modem must not be longer than 1 5 m for reasons related to EMC 49 EQJW 125 Heating controller Communication functions In the case of a modem connection before executing write commands via Modbus the valid code number 123 must be written to Modbus register 40145 Otherwise only read commands will be processed This is used to prove the legitimacy of the management system If an incorrect code number is entered three times via Modbus this is recorded as a prohibited access attempt As
22. ON Radiator heating Floor heating 7001029003 A Fr Sauter Ltd This application requires an additional safety thermostat Before the plant is commissioned the slope of the characteristic and the flow temperature limit must be checked in every case Depending on the application the following settings are recommended characteristic slope SERVice parameter SP17 flow temperature limit SERVice parameter SP16 characteristic slope SERVice parameter SP17 flow temperature limit SERVice parameter SP16 value 1 4 M value 75 C M value 0 6 value 50 C The recommended values have been tried and tested but they are not necessarily the ideal solutions for every plant No liability is accepted for the values indicated here 55 EQJW 125 Heating controller Economy tips 9 Economy tips More economy tips 56 Heating is by far the largest consumer of energy in the household 78 of the energy required in a household is consumed by the heating source Wohnen amp Energie Sparen Living and Saving Energy BINE Information Service of the Karlsruhe Technical Information Centre July 2004 It is precisely here that major savings are possible Most residents under estimate the potential for saving on heating and over estimate the potential for saving on other consumers Fig 5 Energy consumption in the home Hot water 11 6 Cooling freezing 3 Washing cooking rinsing 2 5 O Light 1 4 GO Ot
23. SP20 SP21 SP22 SP23 SP24 SP60 120 25 10 25 03 7001029003 A Fr Sauter AG EQJW 125 Heating controller Overview of controller settings 15 2 List of communication parameters If the ex works setting for the communication parameters is changed the modified values must be entered in the table below Parameter gt P change Parameter i P CP01 X CP14 0 2 CP02 2 CP15 0 A CPO03 19 200 CP16 auto __ CP04 O CP17 0 o CPO5 CP18 5 A CPO6 ee CP19 5 ee CPO7 ee CP20 5 eee CP08 CP21 0 CPO9 1 es CP22 0 es CP10 0 o CP23 0 o CP11 0 _ CP24 0 _ CP12 0 A CP13 0 Tab 11 List of communication parameters 7001029003 A Fr Sauter Ltd EQJW 125 Heating controller Overview of controller settings 15 3 Weekly switching programme Day Time Mode Deleted Daily 06 00 Normal mode a Daily 22 00 Reduced mode O Switching commands added for the weekly switching programme Day Time Mode 15 4 Calendar switching programme Switching commands added for the calendar switching programme Day Month Mode 68 7001029003 A O Fr Sauter AG EQJW 125 Heating controller List of figures List of figures 7001029003 A Fr Sauter Ltd Fig Fig Fig Fig Fig Fig Fig Front view of the EQUW 125 ins 11 Rotary switch of EQUW 125 ins 12 Guideline for the slope of the heating characteristic ooconnnccnnnicinni
24. The address of the EDB 100 room operating unit assigned to the controller should be set at CP16 SMS or Modbus via modem automatic configuration If the type of communication is set via parameter CPO2 so that a modem is being used a value of 1 is automatically assigned to parameter CP17 Otherwise CP17 has a value of O ex factory If parameter CP17 has a value of 1 the connected modem is configured automatically SMS or Modbus via modem modem dialling pause Time between two dialling attempts A pause of several minutes must be observed between calls so that the telecoms network is not continuously under pressure SMS or Modbus via modem modem time out In case of a connection via modem the connection is terminated by the controller if no data exchange has taken place after this time has elapsed 7001029003 A Fr Sauter AG EQJW 125 Heating controller Commissioning CP20 CP21 CP22 CP23 CP24 7001029003 A Fr Sauter Ltd SMS or Modbus via modem number of dialling attempts The dialling attempts via modem to the provider or the control station are repeated observing the dialling pause CP 18 if the line is busy or if it is impossible to make a connection for any other reason When the number of dialling attempts set at CP 20 is reached however no further attempts are made at first and the modem status is shown as OFF The dialling attempts counter is automatically reset at 12 00 hours and then the dialli
25. age is sent via SMS or Modbus the fault is notified in the form of the device status The coding is as follows Err 1 Sensor failure TF lt gt 1 Err 2 Sensor failure TA gt 2 Err 3 Sensor failure TR lt gt 4 Err 11 Prohibited access lt gt 1024 The value shown as the device status is the total of the codings for the existing errors 52 7001029003 A Fr Sauter AG EQJW 125 Heating controller Faults Example Error on TF and TR Err1 and Err3 provides a value of 5 for the device status Err1 1 Err3 4 Total value of device status 5 7 2 Reset functions It is possible to reset the EQJW 125 to the ex works setting To do this go to the SERVice level see Section 3 2 and set parameter SP04 to 1 Reset SERVice and communication parameters 2 Reset switching commands 3 Reset SERVice and communication parameters and switching commands 7 3 Actions to deal with faulty temperature readings Outdoor temperature sensor Flow temperature sensor Room temperature sensor 7001029003 A Fr Sauter Ltd The Sensor fault symbol see chapter 2 5 appears if there is a short circuit or an interruption in sensor supply lines The following list states how the controller behaves if individual sensors fail If the outdoor sensor is faulty a flow temperature setpoint of 50 C is operated or if the maximum flow temperature set at parameter SP16 is less than 50 C the maximum flow temperature
26. al controllers in a network that have not yet been configured In such cases all but one of the controllers that have not yet been configured has to be switched off beforehand 7001029003 A 51 Fr Sauter Ltd EQJW 125 Heating controller Faults 7 Faults Before you call a heating specialist check electrical fuses main plant switch burner function circulating pump valve fault display time and day of the week for the EQJW 125 7 1 Displaying faults An operating fault is shown on the display by the flashing fault symbol see Section 2 The Error message is shown Press the input knob to open the error level In certain circumstances you can poll several faults by turning the input knob As long as an acute operating fault is present the error message is kept in the display loop even if it is not opened by pushing the input knob The error is shown in the error level according to the list below In the first three minutes after you switch the controller on evaluation and display of faults is suppressed to wait until other parts of the plant are switched on 7 1 1 Error list Sensor failure TR Prohibited access via modem Tab 7 Error list 7 1 2 Device status The device status register contains the information about faults that are present according to the error list in coded form The register can be read with the help of the service parameters the communication parameters or via the Modbus If a fault mess
27. be Anz Number of following Read Holding AA 03 XX XX 00 01 CC CC Set Se SESS AS SAS Reg Adr RH HR Nr Reg CRC Number of registers to be read Response AA 03 02 XX XX CC CC SSjoSS 55 Sao AE Anz Adr RH Anz Data CRC Number of following data bytes Set Coil AA 05 XX XX YY 00 CC CC YY OxFF to set Bp soo NES Sasa SaaS 0x00 to delete Adr SC CoilNr Data CRC Response identical Set Holding AA 06 XX XX YY YY CC CC Adr SH HR Nr Response identical Current measured values and operating statuses for example can be read out via Modbus The controller outputs can be switched The list of the available data points is given in the Annexe section 6 3 1 7001029003 A Fr Sauter AG EQJW 125 Heating controller Communication functions If desired the controller will monitor the activity of the Modbus interface As long as valid Modbus enquiries are registered regularly the controller will reset the time monitoring If no more enquiries are directed to the controller for 30 minutes it will operate independently again Changes to the controller outputs triggered via Modbus then become invalid This function can be disabled with CP24 The EQJW 125 is compatible with the Modbus Frame protocol extension Enquiries in standard format are answered in standard format and frame enquiries receive an answer in frame format This format allows reliable data transmission even if the data are segmented during t
28. ccccnnonnncnnnonnncnnnnncnnnonnncnnnnnnnncnnnnns 38 4 5 3 Entering a switching command 38 4 5 4 Changing and deleting a switching command ccceeeeeeeeteeeeeeees 39 4 6 Temporary temperature change 39 Manual Od Eee RS 40 5 1 Access to manual mode 40 5 2 Set valv POSITION srta 40 5 3 Set status of pump on off for manual operation 40 5 4 Ending manual mode ss 41 5 5 Checking measured values in manual mode 41 Communication FUNCTIONS siennes 42 6 1 BUS WINING ses an aati iether patel in nine lee Met Ad 42 6 2 Device D S aeea airi ae a a 42 6 2 1 Assigning addresses uirae ra e ana R i R 42 6 2 2 EDB 100 room operating Unit 43 6 2 3 Sending and receiving outdoor temperatures 43 6 2 4 Requesting and processing a heat requirement 43 6 2 5 Synchronising the time 43 6 3 Modbus communication 43 6 3 1 Modbus data points holding register 45 6 3 2 Modbus data points COIS ooooocccnnnnncnnonnncccconaccncconercncnnnnrnnnnonnrnnn nana 48 6 4 Modem operation 49 6 4 1 Modbus operation via modem 49 6 4 2 Sending SMS ff there is a fault on the plant 50 6 4 3 Displays for modem operation ooococcccccnnncoccccccnncccnnannnnccnnnnnnnnnannnnccnnnnnnns 51 6 5 Setting parameters using the PC 51 AA ee 52 7 1 Displaying fauls viii ltda 52 A O A a A A E 52 Feke DEVICE Status cocida A ANA E aS 52 7 2 Reset functions ss rainu
29. ce SP SERVice parameter TA outdoor temperature TF flow temperature Tri actual value for the flow temperature Trs setpoint for the flow temperature TFsmax maximum limit for the setpoint for TF TFsmin minimum limit for the setpoint for Tf TR room temperature TRI actual value for the room temperature TRmax maximum limit for the adjusting range for Trs TRmin minimum limit for the adjusting range for Trs TRS setpoint for the room temperature Ts w heating limit Ty valve run time Xp proportional band Xs setpoint 71 EQJW 125 Heating controller Index Index 72 ADO IA MO Sci A A A des Oe A ed este less 70 ACCESSOMIES a me adieu nn te enr 59 ACUARIO RAR Au 21 address dira LILI 41 AANS A A AS AAA dee neve ee 64 anhydritecement dnei airosa Nas Mea tetera ce ae are eee 64 AQUA ae Aen Heian 22 Anti jamming for PUN Parar ts 22 Attenuation ia EA A AA AS CA 62 Automatic ICO A Rada 63 Baud Trini A A Ai 28 BUS SOMO esos sales gold ent eae cal dee cada rue 41 Calendar programm suicida 36 Calendar switching programme cooooococccccccccccnnnnononcnnnnnnnnnnnnnnnnnncnnnnnnnnnnnnns 22 67 OSA eee aan eee eaten eS 47 C ll ctive Dites cn A a deat ee eee nu re 48 COMMUNICATION atorado 50 COMMUNICATION MO Bird hile eink 24 CONTO SAMOA A a aa cee des aac 48 Correction aiii did Medes 20 data Dita cane an ed 43 O NN 43 Description Of CONTO Ss A A A 11 Design temperature aida ai 22 Device STATUS aaa ia 19 49 51 Dialling Eeen
30. controllers are interconnected their times should be synchronised For this purpose CPO9 is set to 1 on one of the controllers Then this controller sends its system time to the device bus once every 24 hours This time is adopted by the other controllers Regardless of the setting of communication parameter CPOS if the time is adjusted on one of the interconnected controllers it will be adopted by the others 6 3 Modbus communication 7001029003 A Fr Sauter Ltd The EQJW 125 can respond to enquiries in the Modbus RTU protocol as a slave For this purpose an RS 485 two wire bus is connected to terminals 18 and 19 A suitable Modbus master BMS centre can send enquiries or commands via this bus 43 EQJW 125 Heating controller Communication functions 44 In acommunication network based on the Modbus RTU protocol via an RS485 port up to 247 devices can be addressed Up to 32 devices can be connected within each bus segment To activate the function CPO2 must be set to 2 see Section 3 3 4 A unique address must be assigned at CP05 and the transmission speed Baud rate must be selected with CPO3 The data format supported by the controller is 8n1 i e the data format comprises 8 data bits no parity bits and one stop bit The following commands are supported Read Coil AA 01 XX XX 00 01 CC CC Adr RC CoilNr Coils CRC read Response AA O1 01 YY Adr RC Anz Dat CRE data bytes Coils Number of coils to
31. d across house limits On the EQUW 125 it is not necessary to adhere to a certain polarity A or A B 6 2 Device bus The device bus makes it possible to interconnect as many as 32 devices with little effort It is primarily used to transmit measured temperature values outdoor temperature and room temperature and commands mode change over Connecting the devices requires only two wires which are attached to the terminals regardless of polarity to terminals 18 and 19 in the case of the EQJW 125 6 2 1 Assigning addresses Each device within the group should be assigned its own bus address The address 1 must be assigned once within any group To activate the device bus parameter CP02 should be set to 1 then the address should be set parameter CP04 If a device in an operating installation is exchanged and the addresses used are unknown the Automatic address assignment function can be used CP04 Auto The controller then searches on the bus for an unused address and sets it as parameter CP04 The following should be observed when automatically assigning addresses All other devices in the installation must be switched on Only one device should carry out the function in each case 42 7001029003 A Fr Sauter AG EQJW 125 Heating controller Communication functions 6 2 2 EDB 100 room operating unit The EDB 100 room operating unit allows the occupant from the comfort of his living room to alter the
32. e is opened and closed according to the specified values Before you can work in manual mode this mode has to be enabled in SERVice mode see Section 3 2 When the switch position is selected the mixer initially retains its current position and the heating circulation pump is switched on The current statuses of the controller outputs pump on mixer open mixer closed are shown on the lower margin of the display as usual see Section 2 5 1 Access to manual mode E b e me De p g 5 gt Set the rotary switch to manual mode 5 2 Set valve position n 1 Push the input knob Li yo 1 D Le select the Open final control element option on the menu 4 3 Turn the input knob Z 5 7 e Value for percentage opening of the final uy co control element a N n a PU 5 f 4 Push the input knob 5 Confirm the value 5 3 Set status of pump on off for manual operation AN LN 9 e 2 KA KA TJ O O1 w NT if 1 Turn the input knob UP E Select the Heating medium pump output option on the menu Push the input knob Select the menu option Turn the input knob s Y specify pump output 0 pump off 1 pump on Va a Push the input knob J The setting is accepted a LP ES oO e N fr 40 7001029003 A Fr Sauter AG EQJW 125 Heating controller Manual mode 5 4 Ending manual mode Manual mode is ended as
33. e nickel measuring resistor changes in relation to the temperature The temperature coefficient is always positive i e the resistance increases as the temperature rises See the table of values DIN 43760 Within the specified tolerances the sensors can be exchanged without calibration 58 7001029003 A O Fr Sauter AG EQJW 125 Heating controller Resistance values for the Ni1000 sensors 7001029003 A Fr Sauter Ltd 59 EQJW 125 Heating controller Accessories 11 Accessories See the Sauter PDS for more components 12 Wiring diagram EQUW125 B A EGS 52 15 EGT333 EGS 52 15 EGT 333 A10175a Fig 6 Wiring diagram 13 Dimension drawing 146 61 138 x 92 DIN 43700 M10176 Fig 7 Dimension drawing 60 7001029003 A Fr Sauter AG EQJW 125 Heating controller Dimension drawing 7001029003 A Fr Sauter Ltd 61 EQJW 125 Heating controller Technical data 14 Technical data 14 1 Overview of technical data Power supply 230 V Power supply tolerance 15 50 60 Hz Power consumption approx 2 VA Degree of protection IP40 when fitted in panels EN 60529 Protection class Il EN 60730 1 Permitted ambient temperature 0 50 C Permitted storage temperature 25 C 65 C Permitted ambient humidity 5 95 rh no
34. eating controller Communication functions Read and write the weekly switching commands by Modbus The holding registers as from 42000 contain the switching commands for the heating circuit as per the table below Command Command Command Command Command Command 1 2 3 4 5 6 Mon 42000 42001 42002 42003 42004 42005 Tue 42006 42007 42008 42009 42010 42011 Wed 42012 42013 42014 42015 42016 42017 Thu 42018 42019 42020 42021 42022 42023 Fri 42024 42025 42026 42027 42028 42029 Sat 42030 42031 42032 42033 42034 42035 Sun 42036 42037 42038 42039 42040 42041 Whole week 42042 42043 42044 42045 42046 42047 Tab 4 Switching commands Every possible switching command has its own holding register 16 bit value which can be read or written The register has the following content Command Time Numerical value 3 0 7 3 0 30730 decimal 1 stand by mode 2 reduced mode 3 normal mode Examples To change the factory setting for the first switching command every day as from 6 00 hrs nominal operation to 7 30 hrs the value 30730 instead of 30600 should be written in register 42042 7001029003 A 47 O Fr Sauter Ltd EQJW 125 Heating controller Communication functions Read and write calendar switching commands via Modbus The 20 holding registers from 42500 to 42519 contain the 20 possible calendar switching commands as per the table below
35. ed by 5 K every day until 25 C is reached The function is then finished and the controller returns to normal heating mode in accordance with the chosen settings Both functions are called up using SERVice parameter SP60 1 To perform floor drying in accordance with EN1264 Part 4 the value 7d should be assigned to the parameter 2 To perform screed curing a value of 25 C should be assigned to the parameter i The EQJW 125 should be adapted to the installation before the floor drying function is activated In particular SERVice parameter SP19 maximum flow temperature should be set first of all to a suitable value for both the floor and the heating circuit When the floor drying function is active the house symbol flashes An additional value appears in the display In the case of operational heating the remaining time is shown as follows 7d 7 days at the start the value counts down to d 1 day In the case of screed curing the current phase is shown 1 Initialisation 2 Temperature build up phase 3 Temperature maintenance phase 4 Temperature reduction phase When the floor drying function has been successfully completed the figure 9 appears If the floor drying function was interrupted due to a sensor failure or high control deviation over a long period etc 8 is displayed instead of 9 as the error message 24 7001029003 A O Fr Sauter AG EQJW 125 Heating controller Commissioni
36. entered is added to the measured value for the room temperature Correction of outdoor temperature The measured value for the outdoor temperature is adjusted with the help of this parameter The value that is entered is added to the measured value for the outdoor temperature Proportional band SERVice parameter 12 sets the proportional band X of the Pl control for the flow temperature in K Integral action time SERVice parameter 13 determines the integral action time T of the PI control for the flow temperature in seconds 21 EQJW 125 Heating controller Commissioning SP14 SP15 SP16 SP17 SP18 22 Valve run time Valves with a motorised actuator need a certain time known as the valve run time to open or close completely This SERVice parameter is used to set the equitherm EQUW 125 to the run time for the valve drive that is being used Optimal control quality and various protective functions are only ensured if the valve run time is set correctly Minimum and maximum limits for flow temperature The setpoint flow temperature can be limited The value of SERVice parameter SP15 sets the lower limit in this case and the value of SERVice parameter SP16 sets the upper limit Parameters SP15 and SP16 specify a maximum and minimum flow temperature Slope of heating characteristic The flow temperature is controlled according to the outdoor temperature The heating characteristic in the controller determines the se
37. fallen below the frost protection limit The frost protection limit is 3 C for the outdoor temperature The frost protection function is turned off if the outdoor temperature is higher than 4 C When the frost protection function intervenes a flow temperature of 10 C is controlled The pump anti jamming protection function is enabled in the SERVice level At 00 00 hours daily the pump is switched on for 60 seconds if it was not operated during the previous 24 hours This function is active in all modes except manual mode The maximum and minimum setpoint values for the flow temperature are limited If a calculated setpoint value for the flow temperature is obtained which is beyond the limit the limit temperature is controlled The limit value is set in the SERVice level In manual mode the flow temperature control is not active and there is consequently no flow temperature limitation If the frost protection function is active the flow temperature limitation is turned off In manual mode the pump and the valve can be controlled separately The adjustment is menu guided if manual mode has been enabled Manual mode is enabled in SERVice mode In the ex works settings manual mode is not enabled Thanks to the automatic switch off feature the heating controller saves energy with no loss of comfort wherever possible The following possibilities are available for switching off the heating controller a EQJW 125 is in back up mode b su
38. firmed Ge N 5 p 16 1 Turn the input knob 7 lt lt 2 Select the SERVice parameter that you want A o 150 _ 8 Push the input knob e the value for the parameter is shown a 5 9 n 4 Turn the input knob naw p U e the value for the parameter is changed Ca G p 15 5 Push the input knob DS y e the new value is confirmed 3 2 4 List of SERVice parameters Parameter IS Description Range Step value SP01 Software version Y XX read only SP02 Device status error coding read only 0 1031 1 SP04 0 Software reset 0 3 1 0 n0 reset 1 default SE CO parameters 2 default switching commands 3 default SE CO parameters switching commands SP05 0 Manual mode 0 1 1 0 manual mode not enabled 1 manual mode enabled SP06 3 Output signal control model 2 3 1 2 PWM output 3 3 pt output SP07 0 Room temperature connection 0 3 1 0 no room temperature detection 1 connection of NI1000 room sensor 2 Connection for EGS 52 15 or EGT 333 with room sensor 3 Connection for EGS 52 15 or EGT 333 w o room sensor 7001029003 A 17 Fr Sauter Ltd EQJW 125 Heating controller Commissioning fn Parameter Description Range Step value SP08 0 0 not enabled 0 1 1 1 active when TR gt TRs 9 active when TR lt TRs 3 active when TR lt gt Trs SP09 20 Scanning time for room temperature if co
39. ge are carried out automatically The date for the change over is specified by the value for SERVice parameters SP23 and SP24 A value of 16 2 corresponds to 16 February If the date entered is a Sunday the change over takes place on the same day Otherwise the change over is performed on the following Sunday For the summer winter time change the time is put back from 03 00 hours to 02 00 hours The winter summer time change takes place at 02 00 hours The time is put forward to 3 00 hours If SERVice parameters SP23 and SP24 have the same values no summer winter time change is performed 23 EQJW 125 Heating controller Commissioning SP60 Floor drying function The EQJW 125 has two floor drying functions 1 Operational heating as per EN 1264 Part 4 EN 1264 Part 4 describes how cement floors should be treated during operational heating before the floor covering is laid This entails first of all maintaining an inlet temperature of 25 C for 3 days Thereafter the maximum inlet temperature should be maintained for four more days i e a total of 7 days 7d The controller then works in normal heating mode in accordance with the chosen settings 2 Screed curing Screed curing starts with a flow temperature setpoint of 25 C This setpoint is gradually increased by 5 K a day until the maximum flow temperature is reached The maximum flow temperature is maintained for 7 days The setpoint for the flow temperature is then reduc
40. gt EQJW125 Z D je 0123457 eee Le P L ee Lit y gt 68888 le De ae oH 0 0 A SAUTER Fig 1 Front view of the EQUW 125 Rotary switch Display 6 ESC button Input knob i The device has a rotary switch with 10 positions an input knob and a button 7001029003 A Fr Sauter Ltd EQJW 125 Heating controller Description of the controls 2 2 2 3 2 4 12 Rotary switch The meanings of the switch positions are as follows Operating modes Inputs Automatic mode according Setpoint adjustment to switching programme Sy Normal mode Controller is O a Setpoint adjustment y 2 continuously in normal mode Controller is continuously in reduced mode Controller is continuously in back up mode Access to manual mode de e o Reduced mode 9 2 o PROG D De od Enter weekly and e oO calendar programme Temperature change with without time limit Access to SERVice and communication level Fig 2 Rotary switch of EQJW 125 Normal mode corresponds to nominal mode as per EN 12098 1 Back up mode means that the heating is switched off and the anti frost function is active Input knob ESC button ESG With the help of the input knob you can scroll through menus or select and change values Unless explicitly stated otherwise you can scroll through menus or cha
41. he Section on View switching commands 0000 EE 1 Push the input knob 5 E t e The switching command is called up x 2 Turn the input knob CSS Cir 3 Choose whether you want to delete the switching command Clr or change it SEt a 4 Push the input knob m e Your selection is confirmed If the switching command was deleted the next switching command is shown c CD cS Cc LT 5 Fora change the rest of the procedure is as pe described in the Section on Entering a switching command etc 4 5 Calendar switching programme 4 5 1 Calling up the calendar switching programme Before you can work with the calendar programme it has to be enabled in SERVice mode see Section 3 3 The calendar programme can influence automatic mode over longer periods in addition to the weekly programme The calendar switching programme specifies the dates of periods e g for holidays when the weekly switching programme is only enabled up to a defined mode A maximum of 20 switching commands 10 periods comprising the date and mode are available for this purpose these can be entered in the day grid An empty switching programme is interpreted as a switching programme in normal mode The switching commands are captive You are recommended to note any change to the calendar switching programme in the relevant table in Section 14 No commands are entered in the calendar switching programme in the ex work
42. hers 4 5 Heating 78 Better insulation could save almost half of the heating energy Savings are also possible thanks to modern heating plants with intelligent control A reduction of 3 C at night with the heating controller saves about 5 to 8 of the heating energy A constant bedroom temperature of 18 C with a reduced night time temperature in the living rooms saves about 12 to 15 A constant bedroom temperature of 16 C with a reduction of 3 C in the living rooms during absences and at night will save about 25 bring the time when reduced mode starts as far forward as possible Each degree by which the normal temperature is reduced will save about 6 of heating costs Only ventilate briefly but well Close shutters and blinds at night Keep heaters clear i e do not place any furniture or curtains in front of the heaters etc 7001029003 A Fr Sauter AG EQJW 125 Heating controller Economy tips 7001029003 A Fr Sauter Ltd 57 EQJW 125 Heating controller Resistance values for the Ni1000 sensors 10 Resistance values for the Ni1000 sensors The temperature sensors required depending on the use of the EQJW 125 must conform to DIN 43760 Temperature C Resistance value Q Ni1000 1549 1483 o 1417 1353 1291 Oo L o o X O 1230 Oo 1171 o 1112 o 1056 1000 N o 893 o 842 40 791 Tab 8 Resistance value Ni1000 The resistance value of th
43. included on the EQUW 125 it can be activated via the SERVice level In addition the controller has a screed curing facility This involves gradually increasing the flow temperature starting at 25 C by 5 K per day until the maximum flow temperature is reached which is maintained for 7 days Thereafter the flow temperature is reduced gradually by 5 K per day until it has again reached 25 C These functions are called up from within the SERVice level Communication with the EQJW 125 is possible via an RS 485 interface with the help of the Modbus RTU protocol Data can be exchanged The EQJW 125 is always used as a slave in this case An additional modem is used to send alarm texts as SMS to a mobile telephone via a provider An interface similar to an RS 232 is used for this purpose The TAP protocol Telocator Alphanumeric Protocol is used here The settings are made in the communication level 65 EQJW 125 Heating controller Overview of controller settings 15 15 1 66 Overview of controller settings List of SERVice parameters If the ex works setting for the SERVice parameters is changed the modified values must be entered in the table below Parameter SP01 SP02 SP03 SP04 SP05 SP06 SP07 SP08 SPO9 SP10 SP11 SP12 SP13 Tab 10 List of SERVice parameters lm 2 change X XX 0 40 240 Parameter SP14 SP15 SP16 SP17 SP18 SP19
44. ing measured values approx 10 sec for Ta lt 5 sec for TR and TF Cycle time Valve running time 15 Neutral zone lt 1 0K Minimum pulse duration 250 msec Pump after run time 2x Ty Heating characteristic Curved without the influence of extraneous heat see SP 17 Attenuation of outdoor temperature Time constant approx 21 hours Summer winter heating limit ON equals summer gt winter OFF equals winter summer On when Taged lt Tsw 1K OFF when Taged gt Tsw Ts w can be set via SP 18 Zero point correction for room temp up to 6 K is possible Zero point correction for outside temp up to 9 K is possible Tab 9 Overview of technical data 63 EQJW 125 Heating controller Technical data 14 2 Room temperature connection Frost protection Pump anti jamming protection Limitation of flow temperature Manual mode Automatic switch off Switching programmes 64 Overview of main functions The room temperature connection is enabled in the SERVice level A room temperature sensor is required The influence of the room temperature connection can be adjusted in the SERVice level Maximum change of Tr due to the room temperature connection 30 K The frost protection function intervenes if the controller is in Off mode and if the frost protection function has been enabled in the SERVice level In addition the temperature must have
45. is operated If the flow temperature sensor is faulty the valve assumes the 30 valve position If the room sensor fails the controller operates according to the settings for operation without a room sensor 53 EQJW 125 Heating controller Application 8 Application The EQJW 125 controller is used for weather compensating flow temperature control of a heating circuit An additional room temperature connection is possible The controller changes the operating status in accordance with the switching commands that are entered on a time dependent basis It has an anti frost function an automatic summer time change over function an anti jamming feature for the pump and a floor drying function A communication interface allows connections with other devices and with a Modbus control station also via modem or automatic transmission of fault messages to a mobile phone as SMS messages via modem A rotary switch allows immediate mode changes and direct access to the main settings An input knob makes it easy to change the device s settings 8 1 Plant schematic 54 TR e i J Y JD Q N Fig 4 Plant schematic EQJW 125 heating controller Final control element Drive Heating medium pump Flow temperature sensor Outdoor temperature sensor Room sensor or room remote control unit if present 7001029003 A Fr Sauter AG EQJW 125 Heating controller Application 8 2 General information CAUTI
46. mmer winter limit OFF c TA gt TRs if Ta lt Trs 1 K switches controller on again A weekly switching programme with a maximum of 48 switching commands and a yearly switching programme with a maximum of 20 switching commands are available The minimum switching intervals are 10 minutes or 1 day respectively The operating mode from the weekly and yearly switching programmes with the lower energy consumption has priority An empty switching programme is interpreted as normal mode The yearly switching programme is enabled in the SERVice level In the ex works setting the yearly 7001029003 A O Fr Sauter AG EQJW 125 Heating controller Technical data Multiplication TA Floor drying function Modbus communication Alarms via SMS 7001029003 A Fr Sauter Ltd switching programme is not enabled The commands in the yearly switching programme are not deleted after they have been executed The outdoor temperature is registered by an EQJW 125 and is made available to the remaining controllers as a measured value via the device bus The parameterisation for this purpose is performed in the communication level EN 1264 Part 4 describes how anhydrite cement floors should be treated during operational heating before the floor covering is laid This entails first of all maintaining an inlet temperature of 25 C for 3 days Thereafter the maximum inlet temperature should be maintained for four days This function has been
47. n The flow temperature is changed in divergence from the setpoint according to the heating characteristic if the room temperature in the reference room diverges from the room setpoint The change in the flow temperature is limited to a maximum of 30K Scanning time for room temperature if connected When the room temperature connection is active this SERVice parameter can be used to set a period within which the flow setpoint may be altered once only A higher value is better for unresponsive buildings and heating systems than for light construction types with responsive heating systems This period should not be too short otherwise the control system may hunt The algorithm prevents hunting by changing the flow setpoint more quickly at a rate of 2 K within a scanning period when the deviation of the room temperature is diminishing than when it is increasing at a rate of 1 K within a scanning period If the deviation of the room temperature is less than 0 25 K the flow setpoint is not altered In most cases the factory setting 20 minutes provides satisfactory results for residential buildings Open windows or other cooling or heating loads may have an effect on controllability If these influences suddenly cease the room temperature may briefly be exceeded or undercut in the opposite direction Correction of room temperature The measured value for the room temperature is adjusted with the help of this parameter The value that is
48. n a controller grouping this function should only be active on one controller whose time will then be set on each of the other controllers Device bus send outdoor temperature If CP 10 is set to 1 this controller sends the current outdoor temperature on the device bus 29 EQJW 125 Heating controller Commissioning CP11 CP12 CP13 CP14 CP15 CP16 CP17 CP18 CP19 30 Device bus receive outdoor temperature If CP 11 is set to 1 the controller receives the outdoor temperature information from the device bus and uses it instead of a measured value of its own Device bus send heat requirement If CP 12 is set to 1 this controller sends its current flow temperature TF setpoint on the device bus Device bus receive heat requirement If CP 13 is set to 1 the controller receives flow temperature requirement requests from the device bus The mixer is then controlled to this temperature as a minimum Device bus send error If CP 14 is set to 1 the controller sends its current error status on the device bus in the event of an error Device bus EDB 100 room operating unit If an EDB 100 room operating unit is to be used CP15 should be set to 1 If an EDB 100 digital room operating unit is used the actual value for the room temperature is evaluated by the EDB 100 The measured values of other room operating units or room sensors see SP07 are ignored Device bus address of EDB 100 room operating unit
49. ng In the case of operational heating in accordance with EN 1264 Part 4 deviation of more than 3 K for more than ten minutes is considered to be too high In the case of screed curing deviation of more than 5 K for more than 30 minutes is considered to be a malfunction Values 8 and 9 can be read only they cannot be assigned to the SERVice parameter After the floor drying has finished the EQJW 125 runs in accordance with the switch position and the switching commands Floor drying can be aborted by setting parameter SP60 to O In the event of a power failure the floor drying function is interrupted When power is restored the drying procedure automatically re starts from the beginning 3 3 Communication mode CAUTION In communication mode a specialist can enable and configure the communication functions of the EQJW 125 Incorrect parameterisation setting of the heating controller It can cause major faults or damage to the plant gt Communication mode must only be enabled by a specialist 3 3 1 Access to communication mode 7001029003 A Fr Sauter Ltd A aw EST sE Set rotary switch to Service position 2 Turn the input knob D L 0 3 Select CO COmmunication i SO 4 Push the input knob 0000 a Turn the input knob y 0123 A 6 Show the code Push the input knob e The first communication parameter is shown e Y n
50. ng attempts to the BMS are made again SMS or Modbus via modem send message even if error is rectified If CP21 is set to 1 dialling will also take place if the fault has been rectified and the controller is operating without faults again SMS via modem language for error messages This parameter is used to select the language that is used to send an SMS The numbers have the following meanings 0 German 1 French 2 English 3 Italian 4 Spanish Modbus via modem disable fault dialling If CP23 is set to 1 there are no dialling attempts via modem to the BMS if a fault occurs Modbus via RS485 or Modbus via modem control station commands expire after the control station has been inactive for 30 minutes When CP24 1 if the controller is no longer receiving any Modbus enquiries operating statuses specified via Modbus become invalid after 30 minutes and the controller operates independently of the control station again If CP24 0 the operating statuses continue to have unlimited validity even beyond these 30 minutes 31 EQJW 125 Heating controller Operation 4 4 1 4 1 1 32 Operation Operating modes Ot we The five positions of the rotary switch on the left see 2 enable you to select one of the following modes Manual mode outputs for pump and valve can be controlled manually Off mode heating is switched off anti frost monitoring is active Reduced mode reduced room temperature
51. nge values in the form of a circular structure There is no limit stop for adjusting values or scrolling The input knob has a button function i e it can be pushed This movement is used to select the parameter that is currently displayed so as to make a change or to confirm a flashing value or to access a subordinate menu level You can use the ESC button to cancel procedures or to return from a subordinate menu item to the next level up 7001029003 A Fr Sauter AG EQJW 125 Heating controller Description of the controls 2 5 Display The device has an LC Display siehe 2 which can show various items of information at the same time The next illustration shows what the symbols mean a Times for normal mode on the current day AG 8G Time date setpoints actual values etc d Automatic mode according to the weekly and calendar switching program flashing un limited temp change Controller is operating in normal mode Controller is operating in reduced mode x WW tk Controller is operating in back up mode flashing anti frost function is active An error has occurred faulty sensor Heating medium pump is switched on x Q Final control element is open 4 or closed w Display of setpoint temperature flashing display of actual temperature gt n Tl Display of flow temperature a Display of outdoor temperature oe A Display of room temperature gt RE Controller is in summer mode I P A 3
52. ninninnincomm 22 Plant SCHEMAUG 0 Rendre chi sienne dise tant en naiss 54 Energy consumption in the home 56 Mining diag a ci da 60 Dimension drawing is 60 69 EQJW 125 Heating controller List of tables List of tables 70 Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab 1 SERVice parameters ie 18 2 Communication parameters oocoocccinicccnncccnnnccconnncnnncnnan cnn nr carac cnn rra ran cncnn rca 28 3 Modbus data POME nati a ee clei etek 46 4 Switching COMMAMNAS cccocccconoccccnonnnoncncnnnnnnan canon nn cnnn cn nan nn nn rca narra carr nn nn rra rana 47 5 Modbus data points venir iaa 49 6 Display for modem operation oooooccccconcccccnoncccnnnnoncnnnnnnnnonnnnnnnnnnnnnn cnn nonncnnnnnns 51 T Error liat rnai an Mien vant eden ati Mie EE 52 8 Resistance value Ni1000 cnn nana cnn rannnncnnnnns 58 9 Overview of technical data ccecceceseeeeeeeeteneeeeneeeeeaeeeeeeeeeneeseaeeeseaeesseeseaes 63 10 List of SERVice parameters ooooocccincccconccconnccnoncnconnnnnnncn conan nnnn cn nan nn cnnr ca nannnnns 66 11 List of communication parameters oooonoccccnnnccccnnnncccnnnnncncnnnnnoncnn nan n cn nnnnnncnnns 67 7001029003 A O Fr Sauter AG EQJW 125 Heating controller Abbreviations Abbreviations 7001029003 A Fr Sauter Ltd Abbreviations Term CO communication SE SERVi
53. nnected in minutes 1 100 1 SP10 0 Room temperature correction in K 6 0 6 0 0 1 SP11 0 Outdoor temperature correction in K 9 9 9 9 0 1 SP12 40 Proportional band PI controller in K 2 100 1K SP13 240 Reset time PI controller in sec 5 1000 5 SP14 120 Valve run time in sec 30 960 15 SP15 5 Minimum limit for flow temperature in C 5 100 1K SP16 75 Maximum limit for flow temperature in C 20 C 130 1K SP17 1 4 Slope of heating curve 0 0 5 0 0 1 SP18 15 Heating limit C 0 39 1 SP19 16 Design temperature C 50 0 1 SP20 1 Anti frost function 0 1 1 0 not enabled 1 enabled SP21 0 Anti jamming function for the pump 0 1 1 0 not enabled 1 enabled SP22 0 Calendar programme 0 1 1 0 not enabled 1 enabled SP23 25 10 Summer wintertime change over 01 01 31 12 SP24 25 03 Winter summertime change over 01 01 31 12 P23 P24 means no summer winter time change over SP60 0 Floor drying 0 7d 25 C 8 9 0 7d 25 C 8 9 0 not enabled 7d functional heating 25 C ready for laying 8 malfunction 9 successfully completed Tab 1 SERVice parameters 18 7001029003 A Fr Sauter AG EQJW 125 Heating controller Commissioning 7001029003 A Fr Sauter Ltd 19 EQJW 125 Heating controller Commissioning 3 2 5 Explanations of SERVice parameters SP01 Show software version The number of the controller s software version is displayed SP02 Dis
54. o ee nt ete tt and ges ste ete etes Rte sr 30 Error Message tent nn nent 30 49 EstrichtrockNnuUNg tai 23 EX WOrkS S ttind 42e frise amine 7 19 65 66 LE TT RE et 51 Fl or ICING PR D 54 FOOT ooo 13 FIGOR drug TUNCHON iras ds nee nn meee ue here re 64 Flow temperature is 21 63 Flow temperature sensor 52 Frost protection tri ea a A a a Gisentn addr uagette tine aes 63 TUN CONS titrated Maat Mies AA 63 Heat equi mod escisiones lid solido nd den ee eas ne 29 H ating CharaCIeTISRIC rm re SE 21 Heating TWN Sacco ta tdisa RS SM se AT ne ner en 21 62 A tach ene ected a os Tae hata a eos eee Aaa 36 A NN 71 Installation instructions 9 50S ogee PT PR a OT PRC Por dt CRE OPT 7 EC ISA AE a candace tee aca ia a hte ase hada eaten ea tat eee a aca eee ee sata 13 Limitation rio ao ba 19 Mana Mde aiii adidas 19 63 Maximum limitation sise 21 Measuring SCCUTACY us nn ns nn Dhs de esas des nn tele Le 62 Minimum limitatiON citomiiitaniia a a rain 21 7001029003 A O Fr Sauter AG EQJW 125 Heating controller Index 7001029003 A Fr Sauter Ltd Mobil PAN seccion aient eed 28 MOdDUS FT se icecs cis cht RER nan ae Rte ant ae tbh Saadaahicamteaneaty 64 Mode Mata asia 41 48 Operational heating 13 23 64 Olitdoor temperatur surnom A A A nee 20 overview of controller settings 65 parity Dl o nine cn len nine ho Aie nc 43 FRAUD E RE D DE AS 38 o Sa ee en
55. oller Commissioning 3 2 SERVice mode In SERVice mode a specialist can adapt the basic settings of the EQUW 125 to the plant so as to meet specific requirements On this subject also note the Installation Instructions MV 505870 enclosed with the EQJW 125 Incorrect parameterisation setting of the heating controller Gramon It can cause major faults on the plant or injuries to people and damage to the plant gt SERVice mode must only be enabled by a specialist Some of the parameters cannot be changed they can only be viewed version number status information 3 2 1 Accessing SERVice mode e Fp C de PRES 5 C 1 Set the rotary switch to the Service position Oe pon AS a I f f N A 000 D 2 Push the input knob TN i 3 Turn the input knob e display the code a oP Dl 4 Push the input knob e the first SERVice parameter is shown 3 2 2 Viewing SERVice parameters e GP 16 Tum the input knob KQ LA Select the SERVice parameter that you want 3 New un co a D ESC 3 Push the input knob ic A 5 P I b e the value for the parameter is shown To leave the value unchanged exit from the display by pushing ESC 16 7001029003 A Fr Sauter AG EQJW 125 Heating controller Commissioning 3 2 3 Changing SERVice parameters amp Push the ESC button to cancel the procedure The value is not accepted unless it has already been con
56. ory settings of the EQJW 125 e g control values switching times etc specified by the manufacturer The operating instructions give a step by step explanation of the individual functions of the device with the help of the following symbols PROG is shown on the display flashing 0990 09 00 is shown on the display not flashing a Press key 7001029003 A O Fr Sauter Ltd SAUTER EQJW 125 Heating controller Symbols used in this manual 8 7001029003 A Fr Sauter AG EQJW 125 Heating controller General information 1 General information 1 1 Introduction Thank you for purchasing a heating controller from Sauter The equitherm EQJW 125 is a quality product from one of the leading manufacturers of controls products for heating ventilation and air conditioning The equitherm EQUW 125 is a compact weather compensating heating controller with switched outputs to control the flow temperature In automatic mode it uses switching commands from the weekly time switch weekly switching programme to reduce the room temperature during the night reduced mode and switches to the normal temperature during the day It is suitable for all types of building A fixed basic programme ex works setting ensures simple commissioning If any adaptation to the heating plant is required this is carried out using the SERVice parameters An automatic change over between summer and winter time relieves residents of the need
57. play device status SERVice parameter 2 is used to read the device status of the EQJW 125 A value of O means that the EQJW 125 is operating without any faults The coding for faults is shown in Section 6 1 1 Once the fault has been rectified the value for the SERVice parameter is reset automatically This coded description of errors is primarily used for fault signalling via bus modem or SMS You can easily read faults directly on the controller in the ERROR display Section 6 1 SP04 Software reset Switching commands and or SERVice communication parameters are reset to the ex works setting To do this the value of the SERVice parameter has to be changed and confirmed The EQJW 125 then performs the relevant reset and assigns value O to the parameter SP05 Manual mode SERVice parameter P05 is used to disable or enable manual mode If the value of the parameter is 0 manual mode is disabled SP06 Output signal control model This parameter is used to select the control signal for the final control element You can choose between a signal for 3 point control and a PWM output Pulse Pause with a fixed period of 64 seconds If the PWM signal is used the signal is available on terminal 4 When the PWM output is used the functions for limitation of the flow CAUTION temperature are no longer effective SP07 Room temperature detection Various types of room temperature sensor can be connected 0 no room temperature detection
58. ransmission For Modbus communication via modem it is advisable to use the frame format because precisely timed data transmission from the sender to the recipient is often not available with modern transmission methods modem with compression and error correction functions digital telephone network Details about the protocol extension are available on request 6 3 1 Modbus data points holding register Number of Description Comment Read Decimal Units With holding only points math register sign 40001 Product number Product number device code yes 0 no 40003 Firmware version Firmware version yes 2 no 40004 Hardware version Hardware version yes 2 no 40010 OutdoorTemp_AF1 Measured value for input TA no 4 C yes 40013 FlowTemp_VF1 Measured value for input TF yes 1 C yes 40020 RoomTemp_RF1 Measured value for input TF yes 1 C yes 40100 Time Time hours minutes no 2 no 40101 Date Date day month no 2 no 40102 Year Year no 0 no 40103 Switch position Rotary switch yes 0 no 0 Position for inputs 1 Auto 2 Off 3 Manual 4 Normal 5 Reduced 40106 Mode_Rk1 1 Auto 2 Stdby 3 Manual 4 Sun 5 Moon no 0 no 40107 ControlSignal_Rk1 Opening for control signal 0 100 no 0 no 40117 AT_HeatOff_Rk1 Value TA heating switch off no 1 C yes 40145 Write En_Modem Write enable for modem no 0 no code number input 7001029003 A 45 O Fr Sauter Ltd EQJW 12
59. rectified 0 1 1 0 not enabled 1 enabled CP22 0 SMS via modem select language for error message 0 4 1 0 German 1 French 2 English 3 Italian 4 Spanish CP23 0 MOD bus via modem disable dialling control station in case of fault 0 1 1 0 not enabled 1 enabled CP24 0 MOD bus via RS485 or MOD bus via modem control station commands 0 1 1 expire after control station is inactive for 30 minutes 0 not enabled 1 enabled Tab 2 Communication parameters 3 3 5 CP 01 CP02 28 Explanations of communication parameters Serial number The serial number of the controller can be shown Type of communication The type of communication can be set You can choose from these options Q no communication 1 device bus 2 MOD bus via RS485 3 MOD bus via modem 4 SMS via modem 5 MOD bus and SMS via modem 7001029003 A Fr Sauter AG EQJW 125 Heating controller Commissioning CP03 CP04 CP05 CP06 CP07 CP08 CP09 CP10 7001029003 A Fr Sauter Ltd Baud rate BAUD Transmission speed between BMS and controller or for modem operation transmission speed between controller and modem Must match the Baud rate of the BMS Device bus address This is used for the unique identification of the controller on the device bus Each address must be assigned only once and a device in the controller grouping must have address 1
60. res nest 53 7 3 Actions to deal with faulty temperature readings oooococonnoccccnncoccccnnnnnss 53 APPIICATION cessed ec Foe tes ES Ne ed Rice 54 7001029003 A Fr Sauter AG EQJW 125 Heating controller Table of contents 7001029003 A Fr Sauter Ltd 8 1 Plant schematic cnn rra ERA AREATA 54 8 2 CAS 55 9 ECONOMY TIPS iii das 56 10 Resistance values for the Ni1000 sensors oonnnccconocnnanacnnanaconanananaar nana cn anna 58 TV ACCESSO ES ren sr nt na 60 112 Wiring diagramM iodo 60 13 Dimension drawing 115 505 cando etes 60 14 Technical data iii tt Sn ne den E nn Nine 62 14 1 Overview of technical data 62 14 2 Overview of main functions 64 15 Overview of controller settings 66 15 1 List of SERVice parameters 66 15 2 List of communication parameters oooccnnocccnnnnoccccnnncncnnnnncncnnnnnncnnnnnancnnns 67 15 3 Weekly switching programme oooconoccccnnncoccnonancncnnnnnnncnnnnnn cnn nnnnnn cn nnnnnncnn 68 15 4 Calendar switching programme oooocccincccnncccnoncnnnancnnonnnnnnncanancn naar ca nannnnns 68 LiSt OF T1QUIOS is 69 Listiof tables natalie dais 70 Abbreviations a 71 O aed ete Re 72 5 EQJW 125 Heating controller Table of contents 6 7001029003 A Fr Sauter AG EQJW 125 Heating controller Symbols used in this manual Symbols used in this manual Information Information concerning the use of the product A Warnings my Fact
61. s setting 7001029003 A 37 O Fr Sauter Ltd EQJW 125 Heating controller Operation O 1 Set the rotary switch to PROG 2 Turn the input knob to go to the calendar I programme 0 O 3 3 Push the input knob this selects the calendar ES C programme as e Yousee __ _ _ orthe first switching G _ eee oe command if one is present 4 5 2 Viewing switching commands gt Turn the input knob the individual switching N Xt 3 t commands are shown if any are present A 7 I e An empty switching command is shown as 4 5 3 Entering a switching command Y 1 Turn the input knob until you reach the next b empty switching command 4 Y o Mana 2 Push the input knob S J p U iU I 7 e The new switching command is shown 3 Turn the input knob a N 7 i 0 10 5 e The date for the switching command is changed A pe N a m 105 4 Push the input knob wr T Lf 1 e The date for the switching command is confirmed Select the mode for the switching command D 10 5 5 Turn the input knob hs 7 Push the input knob ra N g 0 5 The mode is confirmed 38 7001029003 A Fr Sauter AG EQJW 125 Heating controller Operation 4 5 4 Changing and deleting a switching command Show the switching command as described in the Section on Viewing switching commands e g nne g 0 105 1 D C SEL A D Pto 4 6 Temporary temperature
62. soon as you turn the rotary switch to another position 5 5 Checking measured values in manual mode 1 Ta t 1 Turn the input knob until the INFO menu InFo i i Y F option appears on the display Push the input knob a Select the INFO menu option A 1504 ee 27 4 Turn the input knob the individual values are w shown The display loop is the same as for the automatic mode switch position 0 5 Push the ESC button Exit from the INFO menu option E 3 nh o O 7001029003 A Fr Sauter Ltd 41 EQJW 125 Heating controller Communication functions 6 Communication functions The EQJW 125 has a communication interface which can be used for the device bus or alternatively for Modbus communication also via modem In addition fault messages can be sent by modem to a mobile phone as SMS messages 6 1 Bus wiring When constructing communication networks the rules for RS 485 bus systems must be observed in particular Maximum length of a bus segment 1200 m Maximum number of devices per segment 32 Allow for a terminal resistance 120 Ohm at end of cable Use twisted pair screened cable Stub lines over 3 m in length are not permissible In accordance with standard procedures screening should be made flat at both ends and connected with low resistivity to earth External measures to protect against lightning and excess voltage should be provided when wire
63. the result an error bit is set and the control station is dialled by the controller 6 4 2 Sending SMS if there is a fault on the plant A modem enables the controller to send an error message to a mobile phone as an SMS message As soon as a fault is registered in the device status register of the controller an SMS message is sent This requires modem access from a provider SMSC Short Message Service Centre which accepts SMS messages in TAP protocol The message on the display of the mobile phone will then read something like this Heating controller EQUW 125 Device status XXXX Note 0 no error gt 0 error has occurred The value shown for the device status corresponds to the value of SERVice parameter SP02 The error that has occurred is stored in this value in encoded form see Section 6 The SMS Centre usually sends the date time and sender s telephone number for this message Access numbers for SMSC D1 network of Deutsche Telekom 0171 2521002 ditto via ISDN using X 75 0171 2521001 O Germany 0179 7673425 E PLUS Germany 0177 1167 Cellnet GB 0044 7860980480 To enable the function CPO2 must be set to 4 or 5 and the telephone numbers of the provider and the mobile phone must be entered at CPO7 and CP08 see section 3 3 No guarantee is given of the availability and correctness of these numbers Up to date information on this subject must be requested from the network operator 50
64. to correct the time twice a year The equitherm EQUW 125 contains various protective functions such as the anti frost function and the anti jamming function for the pump Additional functions such as the automatic switch off have been implemented This ensures optimum convenience with the minimum use of energy for every plant Analogue or digital room remote control units can be connected to the EQJW 125 enabling easy remote operation of the controller from the living room The communication interface allows the interconnection of several controllers a connection to a control station and alarms on a mobile telephone via SMS messages 1 2 Safety information 7001029003 A Fr Sauter Ltd A Particular care is required in order to prevent injuries fire damage and damage to equipment After the device has been installed by a specialist according to the Installation Instructions MV505870 which are enclosed with it please read these instructions on how to operate it Local regulations must be followed during the installation The controller is not a safety relevant component The anti frost and anti overheating functions and the limitation of the flow temperature do not replace the corresponding safety devices EQJW 125 Heating controller General information 10 7001029003 A Fr Sauter AG EQJW 125 Heating controller Description of the controls 2 Description of the controls 2 1 Front view of the EQJW 125 equitherm
65. tpoint for the flow temperature in relation to a given outdoor temperature 2 5 3 0 3 5 4 0 20 100 PC 1 8 90 me SP17 Slope so 14 ae 12 2 1 0 60 5 E z 0 8 505 0 6 i F 40 0 4 30 A a 20 15 10 5 0 5 10 15 rc Outdoor temperature a SB AO Fig 3 Guideline for the slope of the heating characteristic 1 4 for hot water radiator heaters M 1 0 for low temperature heaters 0 6 for floor heaters Heating limit If the averaged outdoor temperature is higher than the heating limit heating operation is stopped As soon as the value falls back below the heating limit heating operation is resumed To avoid frequent status changes a hysteresis of 1K is taken into account in both cases The outdoor temperature required for control purposes can either be measured with an outdoor temperature sensor or can be received via a connected device bus The measured outdoor temperature is averaged over 21 hours for the heating limit function in order to reduce the influence of brief fluctuations 7001029003 A Fr Sauter AG EQJW 125 Heating controller Commissioning SP19 SP20 SP21 SP22 SP23 P24 7001029003 A Fr Sauter Ltd Design temperature If the current outdoor temperature is less than the design temperature the EQJW 125 heating controller will no longer switch to reduced operating mode but will remain in normal operating mode Anti frost
66. ue eee 41 PrOVId r aros 28 49 Pump anti jamming protections rs renard en Renan ee ta 63 PANM OUTpUT coito ii Rare tir Gr la 19 Radiator heating Rte DAS ee ee ated rte ey 54 RESO hii anne ai meee 19 resistance values NIT OOO cui 57 FOOM Operating CI pic ce a ta 29 OOM SCNSOM O a 29 ROOM TEMPOCratuUre sise nds rente area 20 Room temperature connection ss 20 63 Room temperature sensor 20 Safety thermostat ironia eee ee tte 54 SCre d CUMING nn nt intl nette 23 64 screening stored athe nn 41 SOMSOMS iii aaa 57 SOL II AA AAA A A AA A Teds ie 27 SERVICE Modem a a a tuee 16 SERViceparamet rS id A ava diene eee a ered meted 9 OPS a ad add 54 Software VO SIONES 19 o OI 43 Switching command ssh ia Needs 19 36 47 Switching Programme sesionar 63 tECMICA lada A A AA An ae aes es 61 Temperature level ss 9 terminal r sistance still eE 41 Time CONSTANT ee a ts 62 TIME SYNGNONISATION ise 28 Valve runtime siennes Gin Mit ee tare nas 21 weekly switching programme cinc 67 LL TELE Te ADAM ts cece hae cas atc cee hate cee task 59 73

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