Installation and Operating instructions
Contents
1. 0 If you press LI four zeros will appear in the display further pressing will set the control unit for one hour to economy mode irrespective of the heating program selected If the boiler is already operating in economy mode this mode will be extended by a further hour Pressing LF again will extend the economy mode by a further hour pressing will reduce the current operation by one hour The indicator will return to 0 if more than 24 hours are entered The room temperature will again be displayed 5 s after the last input The previously selected economy mode can be cancelled again by pressing The display will show four zeros after pressing The control unit will select one hour heating mode if this key is pressed again independent of the heating program selection If the boiler is already operating in heating mode this mode will be extended by a further hour Pressing TY again will extend the heating mode by a further hour pressing 1 r will reduce the current operation by an hour The indicator will return to 0 if more than 24 hours are entered The room temperature will again be displayed 5 s after the last input The previously selected heating mode can be cancelled again by pressinga Note The economy and party keys have no effect on DHW heating WOUIF Programming level DWT DWT controls After opening the front flap the control unit changes to programming mode and the display shows STANDARD SETTINGS2. Gas fired boiler with an instantaneous water heater and DHW QuickStart Cylinder heating Heating up the DHW cylinder DHW QuickStart The heating water in the boiler will be held at a certain temperature during summer mode to be able to supply hot water as rapidly as possible from the instantaneous water heater of the combi boiler The DHW time program switches this function ON and OFF during summer mode Heating program Subject to program selection the heating time program switches the gas fired boiler from heating to economy mode or from heating mode to heating OFF and vice versa Domestic hot water program In a combi boiler the DHW time program controls the DHW QuickStart and for a boiler with a DHW cylinder the cylinder heating ON and OFF Winter mode Central heating and DHW according to the heating and DHW time program Summer mode Central heating OFF DHW according to the DHW time program Heating mode economy mode In winter mode two room temperatures can be selected One for central heating and one for economy mode when the room temperature will be setback to the economy temperature The heating program changes over between heating and economy mode In gas fired combi boilers the DWT digital weather compensated thermostat complies with the following Directives Gas Equipment Directive Low Voltage Directive EMC Directive WOUIF Assembly DWT Assembly Install the DWT on an internal wall at a height of
3. Q A YQ 25 Pasteurisation 25 00 0 0 8 Q A or W Q function 26 Maintenance 26 00 0 0 1 Q A W Q message 27 Interval 52 52 25 100 Q A or W Q maint message Weeks 28 Screed m 0 0 2 Q A or W Q drying 21 WOOF Programming level contractor DWT 29 Remote control unit 2 1 1 0 1 Q A or 1 or 2 heating circuit 30 Frost limit 30 2 2 5 to 5 Q A W Q 40 GB parameters 1068 v v Hysteresis 6801 08 1 20 Q A W Q flow temperature Upper fan 804 30 100 Q A or VQ Speed heating 81 Frost protection 10 10 Q A or outside temperature GB 0s Alls Heating circuit pump 8 0 1 Q A YQ mode GB06 0 Heating circuit pump 25 1 30 Q A or run on 6807 1 2s Oe Maximum set flow Pg 20 90 Q A VQ temperature 6808 15 di AN S E Cycle block 0 30 Q A Y CQ 6809 1 A 5 amp Input 1 9 6813 E 0 5 Q A or VQ Output 1 GB 14 6 0 9 Q A or V A DHW cylinder GB15 5 1 15 Q A YQ hysteresis A A 22 Heat up time optimisation Maximum heat up time Required heat up time Outside temperature adjustment Room sensor matching Parameter 18 Max limit for parameter 28 Parameter 25 Pasteurisation function only eBUS Programming level contractor DWT The heat up time optimisation determines within at least six hou
4. With the open flap the following settings can be displayed or modified Reset button Red indicator illuminates if the parameter can be modified Front flap Programming keys Legend for the adjacent table 1 Only with eBUS interface 2 An additional time program will be displayed for the mixer circuit only if the DWT is used as remote control unit for the DWTM Mixer circuit symbol Symbol for direct heating circuit Programming level Summary of functions DWT Open front flap A A Heatin A A A 9 2 Contractor Standard settings 2 gt DHW program Displays level 5 Qj Q Actual DHW temperature A Max heat up time Heat up optim Changing the Changing the DHW Outside temp or X g g the or Mesi ie switching times of the set time program time program Req heat up time fm or A Time program select 1 4 Actual heating water temp I A Flow temp 2 Outside temp delay Matching room temp sensor 18 Max limit for parameter 28 1 Fan speed or modulation A Heating curve slope Heating curve slope 23 Ext sensors 9 s p Burnerop ime 23 Ext sensors 2 25 Pasteurisation Room influence function 1 or X Burner starts 26 Maintenance message Set DHW temperature 1 27 In
5. multi boiler system with DWTM eBUS settings Address 0 factory setting aaa Address 1 iti Address 2 d Address 3 im Address 4 EFF Address 5 im Address 6 HH Address 7 F Address list at the back of the controller PCB For boilers with SCOM interface the BUS terminals and are marked in accordance with connection 0 with Wolf accessories Push switches 1 to 4 into the OFF position See DWTM installation and operating instructions if the DWT is set up as remote control for DWTM Note In case of replacement for systems with DWT part no 27 33 002 and DWTM part no 27 33 007 Remove any jumper which may be inserted in the DWT base between terminal 3 and 4 DIP switch settings at the back of the DWT subject to parameter 19 in the DWTM a Parameter 19 0 DWTM on DIP un a Parameter 19 1 DWTM ON DIP AW 1234 All accessory controllers BUS users must be set to the same boiler interface eBUS or SCOM A correctly adjusted BUS address and with that the communication between all users is indicated at every controller approx 1 minute later BUS connection active 6 i n a b A IF NB The electrical connection must only be carried out by a qualified electrician Do not route these cables alongside mains power cables Wire the DWT with a 2 core cable minimum cross section 0 5 mm
6. to DHW QuickStart acc Frost protection DHW program to DHW program 1 Economy mode Cylinder heating according to DHW program Heating mode Cylinder heating according to DHW program Heating or economy mode Cylinder heating according to according to heating program DHW program Heating mode or central Cylinder heating according to G im heating OFF according to DHW program heating program 1 Only for equipment with DHW QuickStart Function display Connection to the gas fired boiler OK Heating circuit pump ON Heating mode Cylinder heating or DHW draw off ON Iz Burner ON Temperature selection heating mode Economy key Party key Control level DWT Setting the required room temperature for heating mode This setting only applies to heating mode not to economy mode Turning the selector changes the display from current room temperature to set room temperature Then you can change the desired room temperature for heating mode If no change is made within 2 s the display will again show the current room temperature Note The set value only applies to the room temperature of the room in which DWT is installed in case of room temperature dependent heating mode heating curve 0 or for weather compensated heating mode with room influence see room influence The set temperature is only an approximate value for purely weather compensated control heating curve 0 2 3 0 and room influence
7. to the gas fired boiler Subject to boiler terminal strip select one of the adjacent wiring diagrams DWT base Telecontrol contact 0 eBUS and SCOM 0 Connection of outside 4 2 6 599999 Reposition the DWT onto its base and click into place When refitting the housing ensure that the contact pins on the thermostat are not bent The outside temperature sensor may be connected either to the boiler or to the DWT Install the outside temperature sensor at a north or north eastern wall at a height of 2 2 5 m above the ground cable grommet pointing downwards Electrical connection DWT Connection version a DWT terminal strip Outside 1 19 temp sensor alternative Boiler terminal strip 1 Outside temp sensor alternative 1 Leur 1 9 Outside temp eae 71 sensor alternative Boiler terminal strip WOOF Control level DWT Program selection Program selector key Economy key Party key Temperature selection heating mode Important This must be set to lll for gas fired boilers with program selector Operating Display Central DHW DHW mode prog select heating boiler combi boiler Standby I Central heating OFF Oylinder heating OFF DHW QuickStart OFF Frost protection Central heating OFF Cylinder heating according
8. Maintenance message Parameter 27 Interval until maintenance message Parameter 28 Screed drying Fig Flow temperature progress during screed drying parameter 18 50 C 24 Programming level contractor DWT If maintenance message is enabled the message MAINTENANCE will be displayed after X weeks in accordance with the setting of parameter 27 You can acknowledge this message by pressing the economy key r Afterwards the cycle starts again This parameter indicates the number of weeks after the expiry of which the maintenance message will be displayed If an underfloor heating system is started for the first time in new buildings the set flow temperature may as an option be controlled independent of the outside temperature a to a constant value or b to control the set flow temperature in accordance with an automatic screed drying program If this function has been enabled setting 1 or 2 it can be terminated by resetting par 28 to 0 Par 28 0 no effect Par 28 1 mixer circuit with a constant temperature The mixer circuit is heated to the set flow temperature The flow temperature can be adjusted with the heating operation temperature selector between 15 C and TV max parameter 18 Par 28 2 screed drying function For the first two days the set flow temperature will remain constant at 25 C It will then be automatically raised every day at 0 00 h by 5 C steps up to TV max par 18 That
9. WOLF Installation and Operating instructions Digital weather compensated controller DWT for gas fired boilers Wolf GmbH Postfach 1380 84048 Mainburg Tel 49 8751 74 0 Fax 49 8751 741600 Internet www wolf heiztechnik de Part no 30 61 347 Subject to technical modifications 6 6701 605 05 05 WLOIF Index DWT Index Summary Of FUNCION S kan Terminology nnne Standards and regulations Pride cm EET BUS interface setting Electrical connection 37 H Program selection Function display Temperature selection heating mode 9 ECONOMY KOy 9 Party key Programming level e m MY DWT Summary of functions 0 Standard enlarge Time Day bas Economy temperat re natos iri tipa tra erii e eine EI Fo Ero EE ES 14 Heating curve amp Room Language 00 Heating DHW once m Summer Heating Domestic hot water program gt BJ 2 5 Heating 6 Auxiliary functions Automatic summer winter CHANGEOVER 25 Room temperature dependent frost 26 Partial RESET i Complete RESET Rene Cro nr toe teer i Rr tese eC SERERE Fe FED ERR ERR Proces
10. anguage selection Heating DHW once A 1x BR v e Summer winter Programming level standard settings DWT The room temperature sensor integrated into the weather compensated DWT controller can be included in the calculation of the heating water temperature You can adjust the extent to which the room temperature sensor influences the calculation by various room temperature influencing factors K 0 20 The higher the selected factor the greater the effect of the room temperature sensor If no outside temperature sensor is installed or an outside temperature sensor lead break is recognised resistance infinite the system will automatically operate purely as a room thermostat Room influence K 0 gt purely a weather compensated heating water temperature 20 purelyroomtemperature dependent heating water temperature Room influence K When using the DWT as remote control unit for the DWTM The room influence will only apply for the addresses selected with the DIP Switches if both heating circuits are remote controlled by the DWT par 29 at the DWT set to 1 Address 0 room influence applies to the direct heating circuit Address 1 room influence applies to the mixer circuit The following languages may be selected German French English Italian Dutch Spanish Czech Slovakian Polish Hungarian If DHW is required outside the period where DHW heating is enabled the DHW
11. approx 1 5 m Install the DWT a living room which is representative of the entire living space The DWT must not be subject to draughts or radiated heat The DWT must not be obstructed by furniture or curtains In this room all radiator valves must be fully opened Remove the base from the DWT Fixing holes Connection eBUS or SCOM interface Plug to the top part Secure the thermostat base on the flush mounting box 855 mm or with the rawl plugs supplied directly to the wall WOIF BUS interface setting eBUS or SCOM Connection to Wolf boilers with eBUS interface CGB CGS TGC DWT y eBUS UBL cou Dip 1 4 Connection to Wolf boilers with SCOM interface TGU TGG GU 2 GG 2 TGB 11 20 40 60 GB 20 S a DRT Ht See ON eBUS ma 2L SCOM 1 4 A BUS interface setting DWT Wolf boilers are equipped either with an eBUS or a SCOM interface for control accessories The interface can be selected with DIP switch 4 at the back of the DWT For boilers with eBUS interface the BUS terminals and are marked together with eBUS Push the DIP switch 4 into the ON position Switches 1 to 3 remain OFF if only one DWT is connected Setting the eBUS address Using DIP switches 1 3 set one address for every DWT in systems with several DWT controllers
12. ature Resistance 0 0 0 Q 0 Q 0 Q e e S S 2 o 20 0 0 10 20 30 40 50 60 70 80 90 100 110 120 Temperature C 28 IF Specification Specification Parameter setup Supply voltage report DWT 18 VDC 15 Power consumption max 1VA Protection according to DIN 60529 IP30 Protection class according to VDE 0100 max 24 V Time switch power backup min 10 h Permissible ambient temp operation 0 to 50 C Permissible ambient temp storage 30 to 60 Communication and power supply via 2 core cable to the gas fired boiler boiler cross section 0 5 mm Parameter setup report Parameter Economy temperature night setback Setting options Factory setting Individual settings Heating curve slope Room influence 0 20 Language selection D GB 1 NL SK ES CZ PL HU Heat up time optim 0 or 1 Max heat up time Outside temperature delay Room sensor matching 29 Setup report switching times DWT Preset time programs Time program 1 Heating Mo Su 6 00 i and X DHW Mo Su 5 00 Time program 2 Heating Mo Fr 6 00 and 16 00 22 00 ij and Sa Su 7 00 DHW Mo Fr 5 00 and 15 00 22 00 Sa Su 6 00 Time program 3 Heating Mo Tu We Th Fr Sa Su 8 00 i and DHW Mo Tu We Th Fr Sa Su 7 00 Time
13. cator illuminates 1 heating mode shutdown time change 1 heating mode shutdown time save red indicator extinguishes DWT WOJIF Programming level heating program DWT 1 1 2nd heating mode start up time call up 1 1 1 1 1 1 1 1 39 heating mode shutdown time save 1 red indicator extinguishes 1 1 1 1 1 1 1 Q 1 1 1 1 1 acr 1 heating mode start up time call up The setting example shows time program 3 All other time programs can be changed as above Note In case of block formation a time input beyond midnight must be made according to the following example Example In time program 1 week program central heating should take place the following day from 16 00 03 00 h For this set the following times 1 Start up time Heating mode 00 00 1 Shutdown time Heating mode 03 00 2 Start up time Heating mode 16 00 2 Shutdown time Heating mode 24 00 Modifying switching times DHW program Setting example r 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 eee 19 1 00 Programming level DHW program DWT You can individually modify the switching times of the time programs 1 4 selected under the standard setting TIME PROG inthe DHW program Two ON and OFF times are available for the individual days displayed Access
14. ce 0 This selection will be made by the heating contractor separately for each heating circuit subject to the heating system the thermal insulation of the building and the relevant climatic zone Setting the gradient of the heating curve will match the heating water temperature to these conditions Diagram 1 indicates an example applicable to the following heating system climate zone with average minimum outside temperature of 14 C radiators for flow return temperatures 60 50 C For all other conditions match the gradientto the prevailing circumstances The slope must always be set so that at the min outside temperature the max radiator flow temperature or that of the underfloor heating system will be achieved As rule of thumb a slope of 1 0 to 1 4 can be used for a radiator heating system and a slope of 0 4 to 0 8 for underfloor heating systems 90 80 70 60 4 50 40 1 6 1 4 1 2 5 1 0 8 0 6 0 4 0 2 10 15 20 18 16 14 12 10 8 6 4 2 0 2 4 6 8 10 12 14 16 Outside temperature C From heating curve gradient 1 0 upwards low end raising provides sufficient comfort for higher outside temperatures in rooms equipped with radiators Please note A purely room temperature dependent heating water temperature control results automatically if the heating curve is set to 0 Room influence Please note L
15. cylinder can be heated to the set temperature by means of function 1 DHW Pressing keys A and V simultaneously with the front flap open either activates or deactivates this function Function 1 x DHW will be deactivated automatically after one hour To select the current summer winter time adjust the relevant time as described on page 12 not required when connecting a radio clock module Modifying switching times You can individually modify the switching times of the time programs 1 4 selected under the standard setting TIME PROG in the heating program Three ON and OFF times are available for the individual days Heating program Setting example r 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Programming level heating program displayed Always enter ON and OFF times as pairs Access to standard settings only requires opening the front flap Select HEAT PROG withA For access to this level press EM Display acc to time program here for example time program 3 1 heating mode start up time call up 1 heating mode start up time red indicator illuminates 1 heating mode start up time change 1 heating mode start up time save red indicator extinguishes 1 heating mode shutdown time call up 1 heating mode shutdown time red indi
16. e changes the heating system must match the heating water temperature more or less quickly to the external circumstances With the weather compensated DWT control thermostat this may be achieved by anoutside temperature adjustment This adjustment may be selected from 0 to 3 hours Oh light construction timber 3h gt solid construction brick The current display can be modified by 5 K to match the room temperature display to the installation conditions or other thermometers The adjusted display value will be applied to all calculations of relevant functions Parameter 18 will be displayed if par 28 21 2 DWTMis connected as well This parameter will then limit the set flow temperature for screed drying or a heating circuit to be operated at a constant temperature If a DWTM is connected par 18 in the DWTM acts as flow temperature limiter for the functions to be activated in par 28 Please note Boiler shutdown par 18 DWT hysteresis factory Setting 8 K Take the hysteresis into account when determining the maximum screed temperature If pasteurisation has been enabled the DHW cylinder will be heated to 65 C during the first cylinder heating of the day in accordance with the Switching times program This set temperature will be maintained for one hour Parameter 25 0 Pasteur OFF Parameter 25 1 7 Pasteur once a week 1 7 Su Parameter 25 8 Pasteur daily 23 WOIF Parameter 26
17. emperature will be regulated in accordance with a set room temperature of 5 C if the outside temperature falls below the frost protection limit The electric valve starts The frost limit selected here only applies to the heating circuits connected to the DWTM Note Only change the factory setting if you can ensure that the heating system will not freeze up at low outside temperatures Program selection The DWT will automatically change over to summer mode if the outside temperature rises 1 K above the set temperature selection for heating mode The system automatically reverts to winter mode when the outside temperature falls below the temperature selected for heating mode In addition for heating mode with room influence gt 0 The DWT will automatically change to summer mode ifthe room temperature rises 1 K above the room temperature selected for heating mode The system automatically reverts to winter mode when the room temperature falls below the selected set room temperature Also for program selection The DWT will automatically change to summer mode if the set heating water temperature falls below 20 C The system automatically reverts to winter mode when the set heating water temperature rises above 21 C Special case Heating curve 0 only room thermostat Program selection The DWT will automatically change to summer mode ifthe room temperature rises 1 K above the temperature selected
18. erature OUTSIDETENP 10 0 Max outside temp determined over 24 h AS SEH 20 0 0 00 24 00 h Min outside temp determined over 24 h 0 00 24 00 h Flow temperature heating circuit Mixer circuit flow temp Fan speed r p m or modulation 96 D 20 Burner runtime RUNTIME x10 30 10h Burner starts STARTS x100 15 100 starts Parameter Display Reset rner runtim RUNTIME x Y Q Q Burner starts NOT Q Q Note It is recommended to note down the date of the reset in order to allocate the burner runtime or the number of burner starts e g to a particular year IF Heating contractor Programming level contractor DWT Access to standard settings only requires opening the front flap Select CONTRACTOR with For access to this level pressQ Select individual parameters with keysA and V Parameter Display Factory Settings Change setting range Heat up time 00 0 Oor1 Q A or YQ optimisation Gl Maximum 040 0 0 3h Q A or YQ heat up time Required B OPEN TIME heat up time m Outside temperature 0 00 0 0 3h Q A or W Q delay Matching room MATCH ROOM 0 0 0 C 5 C to 5 Q A V Cg temperature sensor TEI SENS 18 Max limit 45 45 C 2090108090 Q A Q for parameter 28 23 External sensor 3 01 1
19. for heating mode The system automatically reverts to winter mode when the room temperature falls below the set heating mode temperature 25 Auxiliary functions DWT Room temperature An additional room temperature dependent frost protection function has dependent frost been integrated into the DWT the outside temperature dependent frost protection in protection has been integrated into the gas fired boiler The heating circuit summer mode pump and if required the burner are switched ON at 5 C room temperature Frost protection ends at 6 C Partial RESET All adjustable parameters will be reset to their factory set defaults with Partial reset Exceptions are parameters BUS ID Language selection and switching times Open the front flap and push the reset button simultaneously with QJ using a ballpoint pen or similar instrument Release the reset button and hold down until the display shows STANDARD SETTINGS Reset button Complete RESET All adjustable parameters and switching times will be reset to their factory set defaults with Complete reset Open the front flap and push the reset button simultaneously with Ausing a ballpoint pen or similar instrument Release the reset button and hold down CQ and until the display shows STANDARD SETTINGS Reset button Processor RESET Fault 81 occurs when a parameter has an invalid value The incorrect parameter is reset to its factory sett
20. ing and an error message will be displayed The error message can be reset with Processor reset The processor will be restarted with Processor reset Open the front flap and press the reset button using a ballpoint pen or similar instrument Reset button Emissions test mode The DWT display will additionally show symbol if emissions test mode has been selected at the boiler program selector switch Fault display Any boiler fault will indicated by a fault code number which will flash in the boiler display The error signal will be transferred to the digital weather compensated DWT room thermostat The DWT display will show the word FAULT 14 FAULT as well as the fault code number In addition warning symbol A A will flash in the display IF Fault codes Fault codes DWT In case of faults the following codes will assist in locating their cause Fault Excess temperature high limit safety cut out No flame established Flame failure during operation STW excess temperature STBA excess temperature Flue gas damper does not activate Flame pretence Heating water temperature sensor faulty Flue gas temperature sensor faulty DHW sensor faulty Outside temperature sensor at the control unit fault Return sensor faulty The modulation current is outside its set range Fault gas valve circuit V2 Fault gas valve circuit V1 Lack of air Differential pressure switch fault Gas fan fault Gas fan faul
21. program 4 Heating Mo Tu We Th Fr 7 00 m and Sa Su DHW Mo Tu We Th Fr 6 00 Sa Su Setting report for individual adjustments PT on o eon OFF SON o Time program 1 Heating Mo Su DHW Mo Su Time program 2 Heating DHW Time program 3 Heating E Time program 4 Heating Notes DWT 31 Wolf GmbH Postfach 1380 84048 Mainburg Tel 49 8751 74 0 Fax 49 8751 741600 Internet www wolf heiztechnik de
22. rs setback time the required heat up time during economy mode so that the required room temperature has already been achieved at the selected time time program The automatic heat up time optimisation can be implemented subject to the room temperature or the outside temperature The heat up time optimisation is switched ON by parameter Maximum heat up time 0 gt weather compensated heat up time optimisation 1 room temperature dependent heat up time optimisation Information regarding the use of DWT as remote control unit for the DWTM The heat up time optimisation will only apply for the addresses selected with the DIP switches if both heating circuits are remote controlled by the DWT par 29 at the DWT set to 1 Address 0 heat up time optimisation applies to the direct heating circuit Address 1 heat up time optimisation applies to the mixer circuit This parameter defaults the maximum heat up time during which heat up time optimisation can take place Heat up time optimisation will not take place if 0 has been entered for maximum heat up time If 0 has not been selected for maximum heat up time the duration for the required heat up time will be calculated from the time of the maximum advance offset This value shows the heat up time which was last required Display only Subject to thermal insulation every building will react differently to changes in the outside temperature This means that when the outside temperatur
23. sor Emissions test mode E 00008 Sensor resistances ei 06003 Parameter SETUP PP Setup report switching times NGOS e M s Safety instructions The following symbols are used in conjunction with these important instructions concerning personal safety as well as operational reliability Safety instructions are instructions with which you must comply exactly to prevent injury and material losses This indicates technical instructions which you must observe to prevent material losses and boiler malfunctions Summary of functions DWT Front flap Program selector key Party key Temperature selection Economy key heating mode Heating program shows the set times for heating Day 1 7 Su and economy mode Room temperature Time Function display Heating mode economy mode display Program selection display WOIF Terminology Standards and regulations Terminology Standards and regulations DWT Heating water temperature The heating water temperature is the radiator flow temperature The higher the heating water temperature the higher the heat transfer to radiators Boiler Gas fired boiler which can be combined with a DHW cylinder Combi boiler
24. t CRC fault boiler CRC fault burner Fault in 24 V AC supply Low water indicator Return temperature gt flow temperature 25 K Siphon back pressure Flue gas system back pressure Outside temp sensor connected to the DWT faulty EEPROM faultin DWT Incorrect address set at the DWT Internal fault control PCB If the device will not operate properly after the gas fired boiler has been reset twice or if the boiler cannot be reset inform your heating contractor of the fault code displayed If settings cannot be carried out on the DWT using the program selector key P gt set the program selector switch on the boiler control unit into position Fault code 15 Fault code 15 will be displayed at the DWT if no outside temperature sensor is connected or the outside temperature sensor fitted to the control PCB is faulty gt The heating circuit pump runs permanently and the DWT acts as a room controller Fault code 91 Two controllers e g DWT DRT are set to the same BUS address in systems with several controllers Correct the address settings using the DIP switches on the respective controllers 27 Sensor resistances DWT Sensor resistances Heating water sensor DHW sensor return sensor outside temperature sensor flue gas sensor emperature Resistance Temperature Resistance Temperatura Resistance Temper
25. t the boiler disabled 2 Will only be displayed if the DWT is used as remote control unit for the DWTM WOJIF Programming level standard settings DWT Time program The digital weather compensated control thermostat has four time programs for heating and DHW mode which are preset at the factory For switching times see the following table All time programs can be modified and saved Time program 1 Heating Mo Su 6 00 22 00 Day program fii and X Mo Su DHW Mo Su 5 00 22 00 Time program 2 Heating Mo Fr 6 00 8 00 and 16 00 22 00 Simple day program X Sa Su 7 00 23 00 Mo Fr and Sa Su DHW Mo Fr 5 00 8 00 and 15 00 22 00 Sa Su 6 00 23 00 Time program 3 Heating Mo We Th Fr Sa Su 8 00 23 00 Individual times can be set X for every day DHW We Th Fr Sa Su 7 00 23 00 Time program 4 Heating Tu We Th Fr 7 00 16 00 Individual times can be set mand Su for every day DHW Tu We Th Fr 6 00 16 00 Sa Su WOIF Economy temperature Heating curve 30 25 30 25 Setroomtemp parallel offset Set flow temperature C 100 Programming level standard settings DWT During economy mode the temperature selected in the standard setting ECON TEMP applies not the temperature selected at the rotary selector The set economy temperature is only an approximate value when the room influen
26. temperature will then be held for two days Subsequently the flow temperature is automatically reduced again in steps of 5 C per day down to 25 C The program sequence is terminated after a further two days 55 50 45 40 35 30 25 20 Flow temperature 123 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Screed drying time days Please note Agree the time sequence and the maximum flow temperature with the screed contractor otherwise the screed may be damaged particularly through cracking Parameter 29 Remote control for 1 or 2 heating circuits only eBUS and in conjunction with DWTM Parameter 30 Frost protection temperature only eBUS and DWTM Automatic summer and winter changeover Auxiliary functions DWT Ifthe DWT is used as remote control unit for the DWTM the first DWTM may be used to control both heating circuits heating and mixer circuit or alternatively only one heating circuit 03 The DWT then only controls that heating circuit or that mixer circuit allocation of the DWTM in accordance with address allocation 1 The DWT with address 0 or 1 then controls that heating circuit and that mixer circuit An additional time program will then be displayed for the second circuit After changing the parameter s switch the ON OFF switch first OFF and then ON The mixer circuit pump starts and the mixer circuit t
27. terval A maint message Language selection A GB 1 NL ES CZ SK PL HU 28 Screed drying 1 A 29 Rem cont or 2 circuits 1 2 A 30 A A Frost limit 1 2 A 40 GB param 1 A QJ QJ QJ i A i A A Contractor Standard settings gt Heating program e DHW program ey Close front flap Operating level WOIF Standard settings Programming level standard settings DWT All adjustable parameters as well as four time switch programs are set atthe factory and saved to non volatile memory After commissioning only the time and day of the week must be adjusted on site Access to standard settings only requires opening the front flap For access to this level press Select individual parameters with A and v Parameter Display Factory Settings Change setting range Time ME 10 00 10 00 00 00 24 00 Q A Day Monday Monday Sunday Q A W Q Time program IME PROG 01 1 1 4 Q A YQ Economy temp CONOMY 1 12 5 30 C Q A W Q EMP Heating cuve 1 2 0 3 Q A or W Q direct heating circuit fun Heating curve 0 8 0 3 Q A or W Q mixer circuit 2 x Room influence Sant 0 0 20 Q A Y i X SetDHW 60 15 65 or Q A or W Q temperature 1 HW temp 6 40 63 Language D D GB NL Q A or W Q selection F GBI CZ SK PL HU 1 Only with eBUS interface this leaves the DHW thermostat a
28. to standard settings only requires opening the front flap Select DHW PROG withA For access to this level press key Cg Display acc to time program here for example time program 3 198 DHW start up time call up 1 DHW start up time red indicator illuminates 1 DHW start up time change 1 DHW start up time save red indicator extinguishes 1 DHW shutdown time call up 1 DHW shutdown time red indicator illuminates 1 DHW shutdown time change 1 DHW shutdown time save red indicator extinguishes IF Programming level DHW program DWT 2 DHW start up time call up 2nd DHW shutdown time save red indicator extinguishes C 1 DHW start up time call up The setting example shows time program 3 All other time programs can be changed as above The set DHW program applies to all boilers with DHW cylinder for cylinder heating and for combi boilers for DHW QuickStart The adjusted central heating and DHW programs are saved to non volatile memory If the power reserve minimum 10 hours expires only the time and day of the week need to be reset WOIF Displays Reset 20 Programming level displays DWT Access to standard settings only requires opening the front flap Select DISPLAYS withA For access to this level press Q Select individual parameters withA and V Parameter Display actual value Set value Domestic hot water B 7 b an Outside temp
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