Installation and operating instructions
Contents
1. feedback fault sensor or lead fault Request a service 14 Cylinder sensor faulty Sensor for the DHW For heating mode temperature or for the No effect lead faulty Cylinder primary pump and heating circuit pump cycle alternately 1h ON 1h OFF Request a service 40 Fault maximum thermo The system pressure Burner OFF pump OFF stat system pressure Switch or the maxi limiter mum thermostat has responded Cylinder heating takes Alternating cylinder heating and time exceeded longer than permitted central heating mode 15 Outside temperature Sensor for the outside Effect as per outside temperature sensor faulty temperature faulty below frost protection limit short circuit or break Request a service 79 Fault multi function sen Central sensor faulty Control unit at set boiler water temp sor central sensor short circuit or break No effect on the boiler operation Request a service 79 Fault multi function sen Sensor for the return No effect on the boiler operation Sor return sensor sensor faulty short bypass pump continues to run circuit or break Request a service Internal equipment fault 91 FaulteBUS parameter One BUS address was Request a service allocated more than once 3061809 1210 35 WOIF 36 3061809_12102. Insertthe plug into the marked up locations in the plug in connector strip and secure the cables with their strain relief Join the cable of output A1 to the plug supplied Insert the plug into the marked up location in the plug in connector strip and secure the cable with its strain relief Route the cable through the boiler back cutout Join the on site lead of the outside temperature sensor with the plug supplied Insert the plug into the marked up location in the plug in connector strip and secure the lead with its strain relief Route the lead through the boiler back cutout Fit the outside temperature sensor to the north or northeast wall 2 to 2 5m above ground level Pushthe DHW cylinder sensor accessory into the cylinder sensor well Route the lead through the boiler back cutout Insert the plug into the marked up location in the plug in connector strip and secure the lead with its strain relief Join the cable of input E1 with the plug supplied Insert the plug into the marked up location in the plug in connector strip and secure the cable with its strain relief Route the cable through the boiler back cutout Remote control radio clock module radio clock module with outside temperature sensor receiver for wireless outside temperature sensor and wireless analog remote control Join the on site accessory cable with the green plug supplied designated eBUS Insert the plug into the marked up location in the plug in connec
3. Note Prior to connecting the telecontrol system set parameter HG35 to 1 Set system parameter A06 setting the external sensor to 0 Switch off the mains power connect the telecontrol system to plug AF Switch the mains power ON again Otherwise an outside temperature sensor could already be detected at low voltage FC 15 25 WOIF TEST functions 4650 fE L High limit safety cut out test Reset 26 Contractor level parameters These test functions enable you to check the following control unit outputs rELl Heating circuit pump ON rEL2 Cylinder primary pump ON rEL3 OutputA1 ON rEL4 Reset relay ON rEL5 Burner ON rEL6 N A rEL7 N A rEL8 N A The maximum boiler water temperature limit TK max is disabled by holding down the reset button when the control unit is switched ON The boiler heats to the selected temperature of the high limit safety cut out and locks out This enables you to check the perfect function of the high limit safety cut out Observe the following steps to implement a reset The ON OFF switch must be set to O OFF Press and hold down the reset button whilst setting the operating mode switch to I ON Keep holding down the reset button for at least 2 seconds after the system has started All parameters individual settings are returned to their factory settings by a reset 3061809_1210 WOU Contractor level parameters The operating mode can only be displayed via WOL
4. to 7 Feed pump Cylinder primary pump Buffer primary pump Oil gas boiler Cylinder sensor Header sensor Mixer circuit Mixer circuit pump 3061809 1210 WOU Contractor level parameters Pump operating mode 2 Buffer primary pump for BSP cylinder The header sensor buffer only affects the heating operation In case of cylinder heating the reference temperature is provided by the internal boiler sensor In heating mode the buffer primary pump runs only when there is a burner demand Pump run on in accordance with parameter HG07 Soft starting At TK lt TK 38 C buffer primary pump and cylinder primary pump OFF MKP continues to run with soft starting Note Increase the pump run on time from 3 min to 15 min Set the parameter HG13 to 7 Hydraulic scheme ECC GE nei ea T ZUP Feed pump SPLP Oylinder primary pump PLP Buffer primary pump SF lt Cylinder sensor SAF Header sensor MK1 Mixer circuit MKP Mixer circuit pump Solar thermal system integration 3061809 1210 15 WOIF Run on time Boiler circuit pump Parameter HG07 HGOT 3 Factory setting 3 min Setting range 0 to 30 min Maximum limit Boiler circuit TV max Parameter HG08 Factory setting 75 C Setting range 30 to 90 C Burner cycle block Parameter HG09 HBUS U Factory setting 4 min Setting range 1 to 30 min Programmable input E1 Parameter HG13 Factory setting
5. 1 Setting range 1 to 11 16 Contractor level parameters Subject to there being no heat demand from the heating circuits the boiler circuit pump will run on in accordance with the set time to prevent a boiler safety shutdown at high temperatures Individual setting This function limits the boiler water temperature upwards in heating mode and the burner shuts down This parameter has no function during cylinder heating and the boiler water temperature may also be higher during this time Re heating effects can result in the temperature being exceeded a little Individual setting Each time the burner is shut down in heating mode it will be blocked for the duration of the burner cycle block The burner cycle block is reset by switching the ON OFF switch OFF and ON or by briefly pressing the reset button Individual setting The functions of input E1 can only be scanned and adjusted with Wolf control accessories with eBUS capability The following functions can be allocated to input E1 No Explanation Room thermostat With open input E1 heating operation will be blocked summer mode independent of any digital Wolf control accessories Exception Remote controlled heating circuits 3061809 1210 WOU Contractor level parameters C Maximum thermostat To enable the burner input E1 must be closed The burner will remain blocked for as long as the contact is open even in emissions test mode cascade
6. 3 3061809_1210 WOIF Specification 34 Specification Supply voltage Rated frequency Device fuse Power consumption Breaking capacity pumps Ambient temp Storage temperature Data memory 230 V 10 50 60 Hz Max 6 3 A medium slow 5 VA control unit and accessories excluding burner and pumps standby Each 230 V 4 2 A acc to EN 60730 part 1 0 50 C 20 to 60 C EEPROM 3061809 1210 WOLF Fault messages If a fault is indicated by the signal ring of the control unit flashing red a fault code is displayed via the Wolf control accessory with eBUS capability that allows cause and effect to be allocated using the following table This list of fault messages is designed to allow your heating contractor to trace the fault more easily Effect Remed No 1 TB excess temperature The external temperatu Burner OFF pump ON re limiter has shut down Request a service the system 4 Burner fault During the burner start Burner OFF pump ON no flame was esta Press the reset button at the com blished bustion controller or the control unit If the fault cannot be removed by pressing the reset button several times request a service TW excess temperature The boiler water tem Burner OFF pump ON perature has exceeded Request a service the limit for TW e g Flue gas ventilation air Flue gas damper ven Burner OFF pump ON damper does not move tilation air damper or its
7. 49207 az 40810 6 30560 1o osse sa 1s so 472 15 6247 65 1493 oo 458 ET 5972 EE 5710 12 m 20198 STH 27648 25 sooo 60 ma 95 393 6189 26 aree or 1200 96 382 4816 28 asse 6s mr oe 399 29 420 64 mors 99 349 30 4028 31 sso ee 15 1 33 32 MET i09 39 asao ee os 103 3 ms a 345 9 oo 104 39 16325 15515 asn 37 Moz 38 2887 1344 39 2772 12697 40 2662 12088 a1 2558 nan 42 2458 10961 10442 55 45 2163 so se s 2 9487 9046 3629 Temp Resist C 21 Go Ke C 14 15 16 AR oa Resist 43207 36447 18091 17183 16325 15515 14750 12086 11508 10961 10442 9952 9487 9046 8629 32 3061809 1210 Wiring diagram boiler control unit R1 WOIF EL OH Joyowesed 13 1ndui ajqewwebosd ay Buisn uaum jeduunf eAoway yx bas AS AV eBeijs sowing uondo 1959 9joula Seuosseooyv sngse snge 13 1ndui ajqewwesbolg 3 Josues Jepul A JS Josues JeJog JM Josues eunjejeduie episino JV Buses 1ejioq 10jnpuoo yeg 3d duind ewid d LV yndjno ejqeuuueJ80Jg LY duund nou Jajlog HMM jno4no ajes yu yBIH gis duis jeuiuue OZ LX VE 9WNW ld youms 440 NO IS youms dojs di KoueBueuie ejs uo ZH 0S A0 z Ajddns jewog Q 3
8. 5 Vinputorteieconmo system 071 o f Hesa _ Test functions ps is EE H610 Display 50 sensor short circuit or contact closed Multi function 60 sensor lead break or contact open input E1 Actual temperature header sensor HG13 7 Actual temperature return sensor HG13 11 set to 50 C for pressure jet gas burners set to 40 C for pressure jet gas burners 30 3061809 1210 WIL IF High limit safety cut out changeover Adjustment of the high limit safety cut out STB 3061809_1210 The high limit safety cut out STB is factory set to 110 C If required it can be changed over to 100 C Such changes are irreversible Disconnect the control unit from its power supply Remove cap Remove the cover from the high limit safety cut out Release the high limit safety cut out fixing screws Release the fixing screws of the control unit front cover and pivot forward Remove the high limit safety cut out Release the clamping screw Adjust the setting disc to 100 C in accordance with the scale and retighten the clamping screw Reassemble in reverse order NB The maximum boiler water temperature TK max must not be set to 90 C if the high limit safety cutout has been adjusted to 100 C 31 WOU Sensor resistances NTC Boiler sensor cylinder sensor outside temperature sensor Sensor resistances return sensor central sensor Temp 20 48487 49 45762 so 5 v5 s 589 28
9. F control accessories with eBUS capability For procedures check the operating instructions of the relevant accessories Operating mode display on the BM programming module Status H6 Explanation Nege oo Smdy SS 7 Heat demand heatingmode J o s _ Heat demand with gyee block Omebok E 1 SWsat ET O 3061809 1210 27 WOOF Contractor level parameters The temperature set actual temperature can only be displayed via Wolf control accessories with eBUS capability For procedures check the operating instructions of the relevant accessories EED So Display Name display oe BM Actual cylinder temperature i DHU TEMP programming module Set cylinder temperature OUT TEMP Outside temperature EG average Average outside temperature ES MAX PIN Maximum outside temperature 0 to 24 h Minimum outside temperature 0 to 24 h OOR TERE Actual room temperature Set room temperature Operating mode heating circuit Sun moon standby GER TERP Actual header temperature C HERDER TEMP cet header temperature C BOER TEMP Actual boiler water temperature Set boiler water temperature RETURN Actual return temperature STATUS HG Boiler status BURN START Boiler burner starts 28 3061809_1210 WOIF Setting the eBUS address for cascade mode BUS address setting 403 Temperature selection DHW Cascade operation 3061809_1210 Setti
10. WIL IF Installation and operating instructions Control unit R1 Wolf GmbH Postfach 1380 D 84048 Mainburg Tel 49 8751 74 0 Fax 49 8751 741600 Internet www wolf heiztechnik de 3061809 1210 Subject to modifications WOIF Index Safety instructions siseses unaii sinenion aanika 3 Standards Regulations eee eee eee 4 Installation Electrical work eee 5 6 Commissioning c te eei a D eM EC A TERR 7 Control unit Function Operation sse eee eee ee 8 10 Displaying Modifying control parameters 11 Contractor level parameters see ee Re ee 12 28 Setting the eBUS address ee ee ke eee 29 Parameter setup report 30 High limit safety cut out changeover ssssssssss 31 Sensor resistances erase trente x nen n i Sx end uen 32 Wiring diagram boiler control unit R1 sese eee eee 33 Specification iore e be a pe e EX Ex ERE IG 34 Fault imessages oc ede be E ea dec 35 3061809 1210 WIL IF 3061809 1210 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 Danger through live electrical components NB Switch OFF the ON OFF switch before removing the casing Never touch electrical componen
11. al burner block input E1 HG13 8 has been programmed DHW circulation pump Output A1 is controlled for 5 minutes after a pushbutton has been activated pulse input E1 Important In any case input E1 must be programmed to setting 6 Output A1 ON Output A1 is controlled if input E1 is closed external burner demand Important In any case input E1 must be programmed to setting 10 Cylinder hysteresis The cylinder hysteresis regulates the start and stop points for Parameter HG15 cylinder heating The higher the ON OFF temperature differential the higher the cylinder temperature fluctuation around the set HGIS cylinder temperature 5 Example Set cylinder temperature 60 C Cylinder hysteresis 5 K Cylinder heating commences at 55 C and ends at 60 C Factory setting 5 K Setting range 1 to 30 K Individual setting 20 3061809_1210 WOIF Cylinder primary pump run on time Parameter HG19 Factory setting 3 min Setting range 0 to 10 min Individual setting Max DHW cylinder heating time Parameter HG20 Factory setting 2 h Setting range 0 to5h Individual setting 3061809_1210 Contractor level parameters After completing the cylinder heating the cylinder has reached the set temperature the cylinder primary pump will run on up to the maximum set run on time The cylinder primary pump will switch OFF prematurely if during the run on time the boiler water temperature has falle
12. ck will be cancelled The signal ring flashes yellow The heating system will not operate in weather compensated mode when the emission test has been enabled Instead it operates at maximum output and tries to hold a mean constant boiler water temperature of 60 C Only the burner will operate i e the pump is OFF if the boiler water temperature is lower than 60 C The boiler circuit pump will be started when the boiler water temperature exceeds 60 C The DHW cylinder primary pump only runs until the set DHW temperature has been reached The burner is switched OFF when the max boiler water temperature has been reached if the heating energy supplied cannot be transferred The emissions test mode terminates either after 15 minutes or automatically ifthe maximum flow temperature has been exceeded For a repeat activation turn the heating water temperature selector first anti clockwise and then back into position E 7 2 E T GS MAY D E E Ny m i Anti seizing pump protection Control unit Function Operation Thermometer to display the current heating water temperature Fine wire fuse M 6 3A to protect the control PCB eBUS connection for data transfer between the control unit and the PC laptop with the software set for boiler control units accessory High limit safety cut out STB factory set to 110 C adjustable to 100 C if required In summer mode the circulation pump operate
13. e set boiler water temperature is set to the maximum boiler water temperature minus 5 K limited by the maximum flow temperature Heating circuit and cylinder primary pump in standard mode Important In any case output A1 must be programmed to setting 14 Return sensor Only in conjunction with parameter HG32 return temperature raising Important In any case output A1 must be programmed to setting 12 Never use input E1 for the connection of safety equipment e g second high limit safety cut out low water indicator safety pressure limiter In this connection see the boiler installation instructions 18 3061809 1210 WOIF Programmable output A1 Parameter HG14 Factory setting 0 Setting range 0 to 14 Individual setting 3061809_1210 Contractor level parameters The functions of output A1 can only be scanned and adjusted with Wolf control accessories with eBUS capability The following functions can be allocated to output A1 Explanation No control of output A1 DHW circulation pump 100 The output A1 is controlled by control accessories BM if DHW circulation has been enabled Output A1 is constantly enabled when no accessory controller is installed DHW circulation pump 50 The output A1 is controlled by control accessories BM in cycles of 5 minutes ON and 5 minutes OFF if DHW circulation has been enabled Output A1 is constantly cycled in 5 minute cycles when no accessory controlle
14. en the boiler water temperature has exceeded the minimum limit TK min TK min cannot be achieved and the heating circuit and cylinder primary pumps remain OFF if the burner is blocked through external safety circuits e g flue gas thermostat on solid fuel boilers Ensure the return temperature is raised in heating systems with a water content greater than 20 I kW output For boilers with a pressure jet oil burner or atmospheric gas burner the minimum return temperature is 30 C for boilers with pressure jet gas burner 40 C The control unit is equipped with a dynamic burner switching differential to optimise the selected burner switching differential at various boiler loads This function corrects the selected burner switching differential parameter HG01 through load dependent burner runtimes The burner switching differential is reduced to a minimum value of 5 K ifthe burner operating time increases up to the selected hysteresis time This makes the selected burner switching differential effective at low boiler loads rapid heat up short burner runtime This effectively prevents short burner runtimes and cycling With longer burner runtimes high heat demand the switching differential will be reduced to 5 K This prevents the boiler being heated to unnecessarily high temperatures This optimises the energy consumption of the heating system This function prevents short burner runtimes and frequent cycling This protects the en
15. er cables Implement the electrical wiring in accordance with the wiring diagram Open the rear control unit cover after releasing both screws Burner supply cable Guide it through the aperture in the control unit bracket I h r h subject to the side to which the boiler door opens Boiler sensor Insert into any opening of the boiler sensor well High limit safety cut out Insert sensor capillaries into any opening in the boiler sensor well Earth terminal Insert into the control unit panel Thermometer for boiler water temperature display Insert into any opening of the boiler sensor well 5 5 a 2 2 a ES o c sg Q s a 992 zoo a Pa 2 0 Ego 9 9g E ea SE a 35 Ss EE HED o o EQ 3529 M 9 EN oon u Q A p n on 5 ou nos LL LU n X a S ou o lt lt if Did ij t r Insert all plugs that are not used into the plug in strip Observe the colour coding Join the power supply cable to the plug supplied Insert the plug into the marked up location in the plug in connector strip and secure the cable with its strain relief Route the cable through the boiler back cutout WOIF Pump connection A1 programmable output Outside temperature sensor accessory DHW sensor accessory E1 programmable input eBUS accessories Installation Electrical work Wolf boiler circuit and DHW cylinder primary pumps are factory fitted with plugs Route the cable through the boiler back cutout
16. ion High limit safety for PC Laptop cut out STB Pn D ISI GH Operation only by contractors ON OFF switch Thermometer Illuminated ring Heating water temp selection Reset button DHW temperature selection Illuminated signal ring as status indicator Display Explanation Flashing green Standby power supply ON no heat demand Constant green light Heat demand pump running burner OFF 0 l ON OFF switch The boiler control unit is OFF in position 0 There is no frost protection Flashing yellow Emissions test mode Constant yellow light Burner ON flame steady Flashing red Press and hold down the reset button whilst setting the operating mode switch to I ON Keep holding down the reset button for at least 2 seconds after the system has started Reset button 1 Resets all parameters to their factory settings The operating mode switch must be set to O OFF 2 For resetting the oil combustion unit only in conjunction with the relevant Wolf components In case of a burner fault the oil combustion unit is reset via a reset relay by pressing the reset key Note Reset gas fired boilers in case of a burner fault directly at the gas combustion unit i e through an opening in the silencer hood 8 3061809_1210 3061809_1210 Control unit Function Operation DHW temperature selection rotary selector When boilers are combined with a DHW cylinder setting 1 9 corresponds to a cylinder te
17. le block if this temperature is not achieved when heat is demanded The minimum boiler water temperature TK min is also not necessarily achieved when there is no heat demand Note Set this parameter to 50 C when using a pressure jet gas burner The control unit is equipped with an electronic boiler thermostat with an adjustable maximum shutdown temperature maximum boiler water temperature The burner is switched OFF if this temperature is exceeded The burner will be started again when the boiler water temperature has fallen by as much as the burner switching differential The boiler circuit pump will also be started in summer mode if the boiler water temperature falls below 95 C possible re heat effect This prevents an overheating of the boiler 3061809_1210 WOIF DHW sensor mode Parameter HG24 Hoed Factory setting 1 Setting range 1 to 3 Individual setting Note After changing the sensor operating mode Switch the system first OFF and then ON again Boiler excess temperature during cylinder heating Parameter HG25 HGS U Factory setting 10 K Setting range 0 to 40 K Individual setting 3061809_1210 Contractor level parameters Using the DHW sensor operating mode three separate modes can be applied to the DHW sensor input Operating mode 1 is the factory setting for the cylinder heating mode with electronic cylinder temperature sensors accessories Operating mode 2 i
18. mode and for DHW and central heating frost protection mode 2 3 4 5 contact Condition for burner enable in central heating DHW cascade and emissions test mode Important A1 HG 14 7 must be programmed for flue gas damper ventilation air damper function Flue gas damper ventilation air damper Function monitoring of the flue gas damper ventilation air damper with floating contact Closed the time program or the position of the program selector BM Important In any case output A1 must be programmed to setting 13 DHW circulation push button on site After activating this button the DHW circulation pump is operated for 5 minutes independent of 3061809 1210 17 WOOF Contractor level parameters Central sensor low loss header or buffer In heating mode the boiler water temperature control is no longer governed by the actual boiler sensor temperature but instead by the central sensor The boiler water temperature sensor continues to monitor the minimum and maximum boiler water temperatures Burner block Contact closed burner blocked The heating circuit and cylinder primary pumps operate in standard mode but without soft start The burner is enabled in emissions test and in frost protection mode Switching output 1 if HG14 12 diverter valve has been programmed External burner demand input E1 closed e g air heater swimming pool demand second cylinder heating via thermostat Th
19. mperature during cylinder heating Sensor input closed Sensor input open Pump ON Pump OFF The excess temperature differential between the cylinder temperature and the boiler water temperature during cylinder heating is selected with parameter HG25 The boiler water temperature continues to be limited by the maximum boiler water temperature parameter HG22 This ensures that even in spring and autumn the boiler water temperature is higher than the cylinder temperature thereby ensuring short heating times The heating circuit pump starts automatically for a limited time to prevent the high limit safety cut out being triggered if the boiler water temperature exceeds 95 C in summer mode whilst the cylinder is being heated 23 WOIF Boiler soft start Parameter HG26 Factory setting 1 Setting range 0 1 Individual setting Raising the return temperature Parameter HG32 Factory setting 30 Setting range 0 to 70 C Individual setting Hysteresis time Parameter HG33 Factory setting 10 min Setting range 1 to 30 min Individual setting 24 Contractor level parameters The optional boiler soft start protects the boiler against corrosion that can occur when the boiler is heated from a cold state i e through condensate separation in the dew point range The boiler circuit pump will be switched OFF if the boiler water temperature falls 2 K below the set value TK min The pump will be enabled wh
20. mperature of 15 60 C The adjustment made at the DHW temperature selector is ineffective when the system is used in conjunction with a digital room temperature controller or a weather compensated controller The temperature will then be selected at the controller accessory Heating water temperature selection rotary selector The setting range 2 8 corresponds to a heating water temperature of 38 to 75 C factory setting The adjustment at the heating water temperature controller is ineffective when the system is used in conjunction with a digital room temperature controller or a weather compensated controller exception emissions test mode The heating water temperature is calculated from the controller setting Winter mode position 2 to 8 In winter mode the boiler heats to the temperature selected at the heating water temperature controller According to the pump operating mode the circulation pump operates constantly factory setting or only in parallel with the burner activation run on period Summer mode The winter mode is disabled and summer mode is enabled by rotating the heating water temperature selector into position nl Summer mode heating OFF means only DHW heating Frost protection for the heating system and pump anti seizing protection however remain enabled Emissions test mode The emissions test mode is enabled by rotating the heating water temperature selector to rs Any previous burner cycle blo
21. n to a differential between boiler and cylinder water temperature of 5 K to prevent the boiler cooling down too severely Cylinder heating commences as soon as the cylinder temperature sensor demands heat The heating circuit pump would be constantly switched OFF if the boiler was undersized the cylinder was scaled up or if DHW was constantly drawn off during DHW priority mode The accommodation cools down severely An option enables a max cylinder heating time to be specified to limit this effect The control unit reverts to heating mode when the set cylinder heating time has expired and cycles in the selected rhythm between heating and cylinder heating mode irrespective of whether the cylinder has reached its set temperature or not This function remains enabled even in parallel mode parameter A10 set to 1 It is only disabled if it is set to 0 Set this parameter to 0 in heating systems with a high DHW consumption e g hotels sports facilities etc 21 WOJIF Minimum boiler water temperature TK min Parameter HG21 Factory setting 38 C Setting range 38 to 90 C Individual setting Maximum boiler water temperature TK max Parameter HG22 Factory setting 80 C Setting range 50 to 90 C Individual setting 22 Contractor level parameters The control unit is equipped with an electronic boiler thermostat with an adjustable minimum switch ON temperature The burner is switched ON subject to the cyc
22. ng the eBUS address When operating several boilers up to 4 control units R1 in conjunction with a cascade controller KM adjust the eBUS address of the boilers in accordance with the table below You adjust the eBUS address by holding down the reset button with the system operating After 5 seconds the corresponding flashing code appears in accordance with the table at the signal ring Select the corresponding eBUS address with the DHW temperature rotary selector Your selection of the required eBUS address is saved by releasing the reset button Boiler in eBUS Position rotary Display signal cascade address selector DHW mode temp selection individual green flashing boiler yellow flashing 3 3 3 yellow red flashing 4 4 4 yellow green flashing Factory setting individual boiler without cascade mode In conjunction with a cascade module the first boiler must be set to BUS address 1 The assignment of gas boilers or BUS addresses 1 2 3 and 4 must be made on site Allocate each BUS address only once Note If only one BUS subscriber boiler or KM is isolated from the power supply then stop and start all subscribers via a system switch In conjunction with the KM cascade controller between 1 and 4 R1 control units can be linked up Communication is realised via the two wire BUS Each boiler has an eBUS address assigned The KM provides each boiler with the modulation level 0 100 and an enable c
23. ommand upon which every boiler must operate The R1 starts as soon as the KM issues a modulation level greater than 0 Cylinder heating continues in the R1 The emissions test operation can only be enabled via the heating rotary selector at the R1 After the burner has been shut down there will be no more cycling block In cascade mode modulation level gt 0 the boiler circuit pump automatically becomes the feed pump If modulation level 0 then pump ON 29 WOU Parameter setup report Wolf recommends you complete the setting report carefully and to keep it safe to enable a quick solution to be found during service and in case of a full reset Parameter Setting range Factory Individual setting precem jaog Frost protection level 2010 10 C to 10 C EG C m Maximum DHW temperature 60to80 C 65 C Burner switching differential 5 to 30K 15K Peete Pump operatngmode f one 9 NEGE NEGE EEN Boiler circuit pump Boiler circuit TV max Ca cc NNNM CCS OUR Programmable Input E1 1 to 11 EHE Programmable Output A1 0 to 14 bec o or Run on time 0 to 10 min Cylinder primary pump Max cylinder heating time Oto5h HGE Minimum boiler water 38 to 90 C 38 C temperature TK min HG22 Maximum boiler water temperature 50 to 90 C 80 C TK max DHW sensor operating mode 1 2 3 EN NN HG25 Excess boiler temperature during 0 to 40 K 10K cylinder heating Return temperature raising 0 to 70 C ae 0
24. r is installed DHW circulation pump 20 The output A1 is controlled by control accessories BM in cycles of 2 minutes ON and 8 minutes OFF if DHW circulation has been enabled Output A1 cycles constantly when no accessory controller is installed Alarm output Output A1 is controlled after a fault and expiry of 4 minutes Flame detector Output A1 is controlled after a flame has been recognised Flue gas damper ventilation air damper Output A1 is closed before the burner starts Feedback is checked via input E1 HG 13 5 If input E1 does not close the burner will not start and after two minutes FC 8 will be generated Important Input E1 must be programmed as flue gas ventilation air damper 5 No o L e 7 External venting Output A1 is controlled inverted to the burner Switching OFF external ventilation e g extractor fan during burner operation is only required if the boiler is operated as open flue system Supply valve Output A1 is controlled after a flame has been recognised Feed pump Output A1 is controlled at every heat demand heating circuit or cylinder heating a lo WOU Contractor level parameters No Explanation Bypass pump for return temperature raising Output A1 is controlled if the return temperature is lower than the selected return temperature raising value parameter HG32 Important Input E1 must in any case be programmed to setting 11 or if an extern
25. rature can be selected between 38 90 C The R1 control unit can be extended with a BM programming unit for weather compensated temperature control with time program Other applicable documents Boiler installation and operating instructions Instructions for all accessories used Never remove bypass or disable safety and monitoring equipment Only operate the system in perfect technical condition Immediately remove remedy any faults and damage which may impact on safety Always ensure that cold water is mixed in with hot water when the DHW temperature is set above 60 C or when operating the pasteurisation system 65 C risk of scalding Regularly check the perfect function of all electrical equipment Only qualified personnel may remove faults or repair damage Only replace faulty components or equipment with original Wolf spare parts Always maintain prescribed electrical protection values see specification Any damage or loss resulting from technical modifications to Wolf control units is excluded from our liability 3061809 1210 WOIF Installation Boiler sensor High limit safety cut out Earth terminal Thermometer Electrical work Info Power supply connection 3061809_1210 Installation Electrical work When installing this control unit ensure that sensor capillaries are neither kinked nor twisted Never route on site sensor and remote control leads cables together with mains pow
26. s designed for electronically controlled cylinder heating with cylinder temperature sensor and also for an external thermostat demand In this case the external thermostat zero volt will be wired on site parallel to the electronic cylinder temperature sensor Cylinder heating will be implemented as standard for as long as the external thermostat demands no heat contact open The boiler circuit and cylinder primary pump are activated when the external thermostat demands heat contact closed The burner heats the boiler at maximum output to TK max Contactor control provided on site must ensure that an external pump transfers the heat to the external consumer e g air heater swimming pool Even in standby mode the thermostat demand has priority over all other heat demands Operating mode 3 is designed to control the cylinder primary pump with an external thermostat or electronic cylinder temperature sensor however without soft start The cylinder primary pump also operates if the actual boiler temperature is lower than the DHW temperature The external thermostat is connected with zero volt at the cylinder sensor terminal SF This enables the DHW cylinder primary pump output to be used to control the DHW cylinder or for other purposes The switching time program for cylinder heating programming module remains enabled even when if it operates only as thermostat The burner heats the boiler to the set cylinder temperature excess boiler te
27. s for approx 10 seconds after a maximum idle period of 24 hours Then the cylinder primary pump and the DHW circulation pump if installed will run for 20 seconds This prevents the pump from seizing up The burner will be switched OFF for approx two minutes if it is operating when the anti seizing pump protection is enabled 3061809 1210 WOU Displaying Modifying control parameters The control parameters can only be modified or displayed via Wolf control accessories with eBUS capability For procedures check the operating instructions of the relevant accessories Modifications must only the carried out by a recognised heating contractor or by the Wolf customer service Incorrect operation can lead to system faults Please note when adjusting parameter A09 frost protection outside temperature that frost protection is no longer safeguarded if you set temperatures lower than 0 C This can result in damage to the heating system and all its components e g pipes radiators etc Parameter overview Settings and functions on the following pages Setting range Factory setting Frost protection level 20 to 10 C Parallel DHW operation Maximum DHW temperature 60 to 80 C RID i any heating HG35 0 5 V input for telecontrol system 4670 Display 50 sensor short circuit or contact closed Multi function 60 sensor lead break or contact open input E1 Actual temperature header sensor HG13 7 Actual tempera
28. tor strip and secure the cable with its strain relief Route the cable through the boiler back cutout Note If several eBUS accessories are to be connected simultaneously connect these in parallel at the eBUS terminal 3061809 1210 WIL IF 3061809 1210 AN Commissioning Switch ON the system ON OFF switch at the control unit ON OFF switch The heating system starts to operate with the factory settings as Soon as the ON OFF switch at the control unit is switched ON Note The factory settings of the control unit represent empirical values Subject to system or equipment level control parameters other than those chosen at the factory can be selected Make changes via the Wolf control accessories or via a PC laptop with Wolf control software All factory settings are stored in a non volatile memory During commissioning the control unit automatically recognises any connected cylinder and or outside temperature sensor The outside temperature sensor is logged off by disconnection and by switching the supply voltage OFF and ON again The system will not be protected against frost if no outside temperature sensor is connected only the boiler is frost protected You can log off the cylinder sensor by disconnecting and resetting The boiler sensor cannot be logged off WOU Control unit Function Operation Fine wire fuse M 6 3 A eBUS connect
29. ts or contacts when the ON OFF Switch is in the ON position This brings a risk of electrocution which may result in injury or death The main supply terminals are live even when the ON OFF Switch is in the OFF position This indicates technical instructions which you must observe to prevent material losses and boiler malfunctions Burner supply cable Boiler sensor High limit safety cut out Earth terminal Thermometer WOIF Standards Regulations Installation Commissioning The boiler control unit complies with the following regulations Warnings AN Maintenance Repair EC Directives 2006 95 EC Low Voltage Directive 2004 108 EC EMC Guideline DIN EN Standards EN 60335 1 EN 60730 2 9 EN 14597 DIN 3440 EN 50165 EN 55014 1 Regarding the installation observe the following regulations rules and directives The installation and commissioning of the heating system Local EMC regulations DIN VDE 0100 Regulations regarding the installation of high voltage systems up to 1000 V DIN VDE 105 Operation of electrical systems EN50156 Electrical equipment in combustion systems EN 12828 Heating systems in buildings Appropriate use The Wolf R1 control unit is designed exclusively for use in conjunction with Wolf boilers The R1 control unit is equipped with a temperature controller limiter and a high limit safety cut out The control unit regulates single stage burners The set boiler tempe
30. ture return sensor HG13 11 set to 50 C for pressure jet gas burners set to 40 C for pressure jet gas burners ee 3061809 1210 11 WOIF Frost protection limit Parameter A09 Factory setting 2 C Setting range 20 to 10 C Individual setting Parallel DHW operation Parameter A10 Factory setting 0 Setting range 0 1 Individual setting Maximum DHW temperature Parameter A14 Factory setting 65 C Setting range 60 to 80 C Individual settings Contractor level parameters The boiler circuit pump operates constantly if the outside temperature stays below the selected value The burner starts and heats the boiler to a min of 38 C if the boiler water temperature falls below 5 C Note Only change the factory setting if you can ensure that the heating system and its components will not freeze up at low outside temperatures The boiler circuit pump is switched OFF during DHW cylinder heating with DHW priority 0 The boiler energy will then be used exclusively for heating the DHW cylinder The cylinder primary pump will only start if the boiler water temperature is 5 C higher than the actual cylinder temperature The burner shuts down and the heating circuit pump is started as soon as the cylinder has reached its set temperature The cylinder primary pump runs on for the maximum period selected under parameter HG19 cylinder primary pump run on time The heating circuit p
31. ump continues to operate in parallel DHW mode 1 The cylinder primary pump starts if the boiler water temperature is 5 C warmer than the cylinder temperature The cylinder is fully heated up when the cylinder has reached the selected water temperature The cylinder primary pump runs on for the maximum period selected under parameter HG19 cylinder primary pump run on time In the parallel DHW mode 1 the heating circuit can temporarily be operated at a higher temperature This temperature can be enabled at 80 C if for commercial reasons a higher DHW temperature is required If pasteurisation has been activated BM the DHW cylinder will be heated to the selected maximum DHW temperature during the first cylinder heating of the day Take adequate measures to prevent scalding Parameter HG22 maximum boiler water temperature should be set at least 5 K higher than the selected maximum DHW temperature 3061809_1210 WOIF Contractor level parameters Burner switching differential The burner switching differential regulates the burner temperature dynamic Parameter HG01 Factory setting 15 K Setting range 5 to 30 K Individual setting 3061809_1210 within a set range by switching the burner ON and OFF The higher the ON OFF temperature differential the higher the boiler water temperature fluctuation around the set value resulting in longer burner runtimes and vice versa Longer burner runtimes protect the en
32. vironment and extend the service life of wearing parts c Selected switching differential 15 K S S 15 jo Hysteresis time 10 minutes 2 g 3 ee ea Bs 4 5 6 7 Burner runtime min Fig Time sequence of the dynamic burner switching differential for a user defined burner switching differential of 15 K and a selected hysteresis time parameter HG33 of 10 minutes WOOF Contractor level parameters Pump operating mode Pump operating mode 0 Parameter HG06 Heating circuit pump for heating systems without cascade uM control and without low loss header HGOS The heating circuit pump runs constantly when there is a heat demand The heating circuit pump will be switched OFF during Li DHW heating if DHW priority has been selected Factory setting 0 Setting range 0 1 Individual setting ZUP e v n T tou D uw ou OM N PLP n 2 m MK1 MKP Pump operating mode 1 Feed pump for heating systems with cascade control and or low loss header Heating circuit pump becomes the feed pump The header sensor affects the heating operation as well as cylinder heating The feed pump runs only when there is a burner demand Pump run on in accordance with parameter HG07 Soft starting At TK lt TK nn 38 C feed pump OFF MKP and cylinder primary pump continue to run with soft starting Note Increase the pump run on time from 3 min to 15 min Set the parameter HG13
33. vironment and minimises wear 3061809_1210 WOIF eBUS feed Parameter HG34 H63 J L Factory setting 2 Setting range 0 1 2 Individual setting 0 5V input for telecontrol system Parameter HG35 HD25 U Factory setting 0 Setting range 0 1 Individual settings 3061809_1210 Set boiler header 38 frost protection Contractor level parameters Parameter HG34 enables the selection of three types of eBUS feed The settings have the following meaning 0 eBUS feed switched OFF 1 eBUS feed switched ON 2 automatic eBUS feed Parameter HG35 enables a switching of the 0 5 V input for a telecontrol system The settings have the following meaning 0 Outside temperature sensor connection During commissioning the control unit checks whether and where an outside temperature sensor is connected 1 0 5 V input no outside temperature sensor connected The voltage signal at the 0 5 V input is used as control variable for defaulting the set header boiler water temperature independent of the setting of the programming selector at the BM Limiting the set flow temperature by TV rax or TK rax The boiler circuit pump becomes the feed pump Pump ON with burner demand Pump run on in accordance with parameter HG07 Depending on the transfer function see diagram the settemperature is calculated subject to the input voltage Set boiler header temperature in C Input in V 1 5
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