DOMUSA BioClass iC DX, Installation And Operating Instructions Manual

Page 1: ...BIOCLASS iC DX Biomass boiler EN INSTALLATION AND OPERATING INSTRUCTIONS ...

Page 2: ......

Page 3: ...e operations must only be carried out by DOMUSA TEKNIK s Authorised Technical Assistance Services Incorrect installation of these boilers could result in damage to people animals or property and the manufacturer will hold no liability in such cases DOMUSA TEKNIK informs all parties concerned that in compliance with section 1 of the first additional provision of Law 11 1997 the responsibility for d...

Page 4: ...TING WITH BIO HYDRAULIC KITS OPTIONAL 25 7 OPERATION WITH A BT BUFFER TANK OPTIONAL 26 7 1 OPERATION WITH A TEMPERATURE SENSOR IN THE BT BUFFER TANK P 08 2 26 7 2 OPERATION WITH A CONTROL THERMOSTAT IN THE BT BUFFER TANK P 08 4 27 8 OPERATING WITH LAGO FB OT REMOTE CONTROL OPTIONAL 28 9 ICONNECT CONNECTIVITY 29 9 1 REQUIREMENTS FOR CONNECTING TO ICONNECT 29 9 2 BOILER REGISTRATION IN ICONNECT 30 9...

Page 5: ...DITIONAL FUNCTIONS 54 17 1 CVS SUCTION SYSTEM CYCLE TIME P 22 54 17 2 RESET DEFAULT VALUES P 24 54 17 3 PUMPS ANTI LOCK FUNCTION 54 17 4 ANTI FROST FUNCTION 54 17 5 BOILER PRESSURE SENSOR FUNCTION 54 17 6 CONNECTING THE LAGO FB OT REMOTE CONTROL 54 17 7 ROOM THERMOSTAT CONNECTION 55 17 8 CONNECTING THE ROOM SENSOR 55 18 MULTI FUNCTIONAL RELAY P 20 56 18 1 BOILER ALARMS EXTERNAL SIGNAL P 20 1 56 18...

Page 6: ...nger cleaning mechanism 7 DHW outlet 8 Safety valve 9 Stainless steel Tank in tank system 10 Heating expansion vessel 11 Heat Exchanger 12 Pellet inlet thermostat 13 Ash pan 14 Burner 15 Air pressure sensor 16 Viewport 17 Boiler expansion vessel 18 Filling loop 19 Automatic air vent 20 DHW safety valve 21 Exhaust fan 22 Chimney connection 23 Drainage valve ...

Page 7: ...is button is used to restore functioning of the boiler after a lock out situation Also it is used to exit from any of the menus or parameters of the boiler without saving it and to return to the previous menu level 17 ON touch button This button switches on and off the boiler 18 Heating temperature touch button Use this button to select the desired boiler room temperature and other options related...

Page 8: ...en items of furniture One metre of free space must be left above the boiler for this purpose In the case of locating the boiler between furniture or walls the reserve tank with the feeder must be previously installed next to the boiler If you want to connect the boiler to the iConnect Internet platform or register it in the iConnect user application there must also be coverage of the home s Wi Fi ...

Page 9: ...uelled by DIN PLUS certified wood pellet The DIN PLUS or EN PLUS A1 certificate assures that the fuel s humidity levels and calorific value are ideal for optimum boiler functioning If this requirement is not complied with DOMUSA TEKNIK s guarantee of the appliance will automatically be null and void The following aspects must be taken into account for the correct storage of fuel Wood pellets shoul...

Page 10: ...er the left or right side of the boiler It is also equipped with adjustable feet for height regulation IMPORTANT Ensure the height of the elliptical holes on the sides of the boiler and on the hopper coincide for correct insertion of the feed auger To do this make the necessary adjustments for height using the adjustment feet and depth correctly positioning the hopper ...

Page 11: ...nd will modulate the boiler temperature to optimise the operation and efficiency of the heating installation For the correct connection of a room sensor to the Bioclass iC DX boiler proceed as follows Unplug the boiler from the mains Connect the room sensor supplied with the boiler to the TA1 J6 terminal strip see Connection Diagrams The bridge that connects the terminals of said strip must be rem...

Page 12: ...ducts must be installed by qualified personnel and must comply with the regulations in force For the flue to create a pressure drop the following recommendations should be taken into account It should be suitably insulated It should be independently located with a separate flue for each boiler It should be vertical avoiding any angles greater than 45º It should always have the same diameter It is ...

Page 13: ... terminals After connecting the communication between the boiler and the hydraulic Kit plug the BIO hydraulic Kit to the main power supply It is recommended to plug the Kit before the boiler to assure a correct running of the system Plug the boiler to the main power supply Follow the instructions provided with the kit to assure a correct installation IMPORTANT It is compulsory to respect the polar...

Page 14: ...the boiler you will be able to manage 2 different modes of buffer tank hydraulic installation The installation type will be selected using parameter P 08 in the Technician menu on the control panel The boiler is supplied with this installation option disabled To enable it the electrical resistance Rbt connected between terminals 18 and 19 of connection strip J7 see Connection Diagram must be disco...

Page 15: ...fer tank to the Bioclass iC DX boiler Unplug the boiler from the mains power Disconnect the electrical resistance Rbt connected between terminals 18 and 19 of connection strip J7 see Connection Diagram Connect the BT tank temperature sensor supplied optionally to the sensor connection strip J7 Sbt terminals 18 and 19 see Connection Diagram Insert the temperature sensor bulb in the bulb holder shea...

Page 16: ...t electrical connection of the BT buffer tank to the Bioclass iC DX boiler Unplug the boiler from the mains power Disconnect the electrical resistance Rbt connected between terminals 18 and 19 of connection strip J7 see Connection Diagram Connect the NC contact normally closed on the BT tank control thermostat on the sensor connection strip J7 Sbt terminals 18 and 19 see Connection Diagram Insert ...

Page 17: ...rameter Water pressure of User Menu shows a pressure of 1 1 5 bars The installation must be filled slowly bleeding the air from the water circuit using the drain valves provided on the same Close the fill valve after filling Bioclass iC DX boilers have a pressure sensor for controlling the pressure of the installation If the installation does not have the minimum pressure set at P 19 parameter of ...

Page 18: ...d The feed auger must be calibrated for a correct boiler functioning See Calibrating the feed auger Check the right type of fuel is being used wood pellet must be DIN PLUS If the installation has flow and return valves check they are open 3 5 Installation delivery After commissioning the Technical Assistance Service will explain to the user how the boiler functions making any observations they con...

Page 19: ...ection Flame detected C Timer icons It is displayed when the real time is inside ON programmed period It is displayed when actual time is inside OFF programmed period When any screen is displayed it relates to the display of actual time programming etc D Scale marking bar The meaning can change depending on the parameter displayed Time scale Used to indicate values or settings related to the time ...

Page 20: ...It is displayed when the direct heating circuit nº 1 demand is activated or when a value or setting related to this circuit is shown by the numerical digits It is displayed when the direct heating circuit nº 2 demand is activated or when a value or setting related to this circuit is shown by the numerical digits It is displayed when the mixing heating circuit nº 1 demand is activated or when a val...

Page 21: ...the numerical digits Display of any value or parameter related to boiler connectivity in iConnect It is displayed when a value or setting related to DHW recirculation function is shown by the numerical digits It displays blinking when the DHW recirculation pump is switched on It is displayed when the feed auger is switched on and it is displayed blinking when it is in manual operation mode Display...

Page 22: ...the temperature decreases 10 ºC behind the set point temperature in this moment the burner is switched on again It is possible to disable the heating service Summer mode by setting to OFF the boiler temperature set point In this operating mode only the DHW service is available NOTE When the heating service is disabled they will be disabled all the circuits of the BIO Hydraulic Kit if there is any ...

Page 23: ...K factor is set for the heating circuit of the boiler heating Zone 1 parameter P 45 of the Technical menu the boiler temperature set point is calculated depending on the K factor selected The boiler temperature set point parameter only allows to set between activating ON or deactivating OFF the heating service of said Zone It is possible to disable the heating service of the boiler Summer mode by ...

Page 24: ...application the operation can be activated according to the outside temperature OTC using the P 10 parameter of the Technical Menu When this operation mode is activated the boiler and or heating flow temperature are automatically adjusted in accordance with the K factor curve set at the Technical Menu parameters P 11 and P 12 and P 45 and the outdoor temperature measured by the outdoor sensor If t...

Page 25: ...erature of the mixed circuit No 1 selected in the User Menu and the temperature of the room thermostat TaM1 or LAGO FB OT remote control connected in the BIO hydraulic kit see Connection Diagrams of the Hydraulic Kit manual 15 When the boiler has an outside temperature either read by means of the probe connected to the BIO Hydraulic Kit or obtained through the Internet by registering the boiler in...

Page 26: ...k Bbt will start up to heat the BT tank The modulating burner of the Bioclass iC DX boiler will keep the water in the buffer tank at the set temperature When the temperature of the tank reaches the selected set point temperature the burner will shut down until its temperature drops to the value set in parameter P 28 by default 5 ºC below that desired once again starting a new heating cycle Regardi...

Page 27: ...tion of the buffer tank feed pump Bbt will be disabled Regarding the central heating service of the boiler the circulation pump BC will be activated whenever room thermostat or sonde Nº 1 TA1 or the remote control LAGO FB OT if present demands heating In other words when the room temperature where the thermostat sonde or the remote control is installed is lower than that which is set When the atmo...

Page 28: ...ol may optionally be connected to an outdoor temperature sensor for measuring the temperature around the building With this option installed the remote control can adjust the building comfort level according to the weather conditions optimising fuel consumption and heating comfort in the building The LAGO FB OT remote control takes over the control of the boiler when it is connected The different ...

Page 29: ... amplifiers are available on the market Two methods are described below to expand the coverage of the home s Wi Fi network Wi Fi repeater Consists of a device that is very easy to install which collects the Wi Fi signal from the home s network and replicates it expanding the coverage area of the Wi Fi network To do this the repeater must be installed in an area of the home where there is Wi Fi cov...

Page 30: ... you to enter the User registration data which will be used to log in to the iConnect application You will also be asked to agree to the APP s Conditions of Use and Privacy Policy Once all the requested information has been filled in the registration will be completed Once the boiler registration process has been successfully completed you will be redirected to the Login screen where by entering t...

Page 31: ...language of the Application and the possibility of contacting DOMUSA TEKNIK Technical Support to clarify any questions 9 4 IConnect App Map The iConnect Application is very intuitive and easy to use so it is not necessary to follow an instruction manual for its use In any case DOMUSA TEKNIK provides users with a series of technical information and use tutorials on its website www domusateknik com ...

Page 32: ...ogramme a period of days of absence from the home during which the boiler will stay turned off The boiler will turn on automatically at the end of the set period Settings This option can be used to access the General settings of the APP the registered Boilers Heating Zones and the user Account settings It is possible to activate the OTC mode of the desired boiler and select the K curve of operatio...

Page 33: ...activate manual mode only with the room sensor connected Real room temperature of Zone 1 only with the room sensor connected Manual mode Scheduled mode Temperature setpoint of Zone 2 adjustable using the touch selector 18 Pressing it whilst in programmed mode will deactivate said mode and activate manual mode Only with the Bio Hydraulic Kit and room sensor connected Temperatura de ambiente real de...

Page 34: ...touch button 18 only with buffer tank connected and with control by temperature sensor Actual temperature of the Buffer Tank only with buffer tank connected and with control by temperature sensor Actual boiler temperature Actual boiler water pressure Actual active boiler temperature set point Mixing heating circuit nº 1 flow temperature set point setting by means of the tactile button 18 BIO Hydra...

Page 35: ...When Ashtray Empty Warning function is activated see Setup menu the boiler warns about the ashtray is full and must be emptied The parameter Ashtray status allows checking the fill level and the screen shows the ash scale bar which indicates the fill level of the ashtray When it is full an Empty the ashtray warning is activated Whenever the ashtray is emptied it is necessary to set the Ashtray sta...

Page 36: ...Setup menu Press RESET any time to go back without recording any value The following table lists the parameters of this menu Nº Parameter Display 1 Time programming of Zone 1 Only with the room sensor connected 2 Time programming of Zone 2 Only with the Bio Hydraulic Kit and room sensor connected 3 Time programming of Zone 3 Only with the Bio Hydraulic Kit and room sensor connected 4 Boiler timer ...

Page 37: ...he hourly programming disabled that is the boiler and or the programmable function will remain active 24 hours a day the corresponding screen will display the digits In turn each of the heating zones that may have been installed in the boiler up to a maximum of 3 zones can have their own time programming if they have a room sensor connected By default the boiler comes with the heating time schedul...

Page 38: ...yed for the zones if there is a room sensor connected in the corresponding heating circuit Use this process to adjust the Comfort and Reduced heating periods you want for each heating zone installed in the boiler To deactivate the time programming for a zone go to the operating periods selection screen and hold the Heating symbol 18 until you see In this way the user can manually set the desired t...

Page 39: ...d to adjust the switching on and off periods of DHW recirculation pump To disable the timer select the DHW recirculation timer programming and set it to by pressing of the boiler temperature touch button 18 The timer will be cancelled and DHW recirculation pump will be switched on permanently 11 6 Time setting When Time setting parameter of Setup menu is displayed press to access The first two dig...

Page 40: ...Ashtray cleaning 11 8 Manual setting of feed auger calibration When this parameter is displayed on Setup menu press to access and set the value desired by pressing o of DHW 19 The range of values selectable is OFF 0 500 5 000 kg 11 9 Registration of the boiler in iConnect Use this option to activate the boiler registration process in the iConnect APP First download and install the application on a...

Page 41: ...e symbols or of heating 18 When the desired parameter is displayed press to access and set it When the parameter or process has been set press again the value will be saved and the display will return to Calibration menu Press RESET any time to go back without recording any value In the following table are listed all the parameters and processes included in Calibration menu Nº Parameter Display 1 ...

Page 42: ...t will be activated filling procedure The feed auger will be activated and a count up to 15 minutes maximum will be displayed During the process by pressing the feed auger could be stopped at any time and by pressing RESET the filling procedure could be finished and return to Calibration Menu at any time To ensure a complete filling of boiler feed auger it is recommended to make a complete 15 minu...

Page 43: ...layed on Calibration Menu press to access SET symbol blinks and pressing again it will be activated calibration procedure The feed auger will be activated and a countdown from 200 doses will begin When the countdown finishes current calibration value will be displayed press to adjust the new value obtained during the procedure by pressing or symbols of DHW 19 Finally pressing the value will be sav...

Page 44: ...on Calibration Menu press to access SET symbol blinks and pressing again it will be activated the cleaning system A countdown of 20 cycles will be displayed When the countdown is finished the cleaning device will stop By pressing the cleaning procedure can be stopped at any time and by pressing RESET it will return to Calibration Menu level 12 5 Manual circulation pumps activation By means of this...

Page 45: ...the first parameter of Technical menu will be displayed Browse through the menu P 01 P 53 by pressing the symbols or of heating 18 When the desired parameter is displayed press to access and set it by pressing the symbols or of DHW 19 When the parameter has been set press again the value will be saved and the display will return to Technical menu Press RESET any time to go back without recording a...

Page 46: ...ion or boiler registered in iConnect P 11 K curve of mixed circuit no 1 Zone 2 Only with Bio Hydraulic Kit option P 12 K curve of mixed circuit no 2 Zone 3 Only with Bio Hydraulic Kit option P 13 Boiler minimum temperature mode P 14 Minimum boiler temperature ºC P 15 Heating pump post circulation time min P 17 Legionella protection function DHW tank option only P 18 Boiler s pump operating mode BC...

Page 47: ...access code P 26 Auxiliary parameter for fuel selection P 27 Maximum heating flow temperature of mixed circuits Only with the optional Hydraulic Kit Bio P 28 BT buffer tank temperature hysteresis Only with buffer tank installed P 45 K curve of the direct circuit Zone 1 P 46 Type of room temperature device in Zone 1 Direct circuit P 47 Type of room temperature device in Zone 2 Mixed circuit 1 Only ...

Page 48: ...oom temperature correction Only with Bio Hydraulic Kit option P 53 Zone 3 room temperature correction Only with Bio Hydraulic Kit option 13 1 Entry and set the access code cod P 25 When the access code request is displayed or to set a new one P 25 press to access SET symbol blinks and it would be possible to enter the code or set it Press the o for heating symbols 18 to browse trough the digits an...

Page 49: ...percentage can be set when automatic fan adjustment is not activated Using this parameter the amount of combustion air can be increased or decreased to ensure correct combustion values Changing its value modifies the percentage of the fan throughout its modulation curve The selectable range of parameter P 04 is 0 200 by default 100 if a value lower than 100 is set the amount of air will be decreas...

Page 50: ...In turn parameter P 50 can be used to set a minimum temperature at which the operation of the heating circuits connected to the buffer tank will be activated Below this temperature the heating circuits will remain deactivated The selectable range of parameter P 50 is OFF 30 70ºC and the factory default value is OFF 14 8 Auxiliary parameter for fuel selection P 26 By means of parameter P 26 the com...

Page 51: ... remote control connected to the boiler the electronic controller will regulate the burner functioning according to the heating demand keeping the pump running continuously 15 3 Minimum boiler water pressure P 19 Bioclass iC DX is equipped with a water pressure sensor that makes possible to know the pressure of the boiler If the pressure descends below the value set at P 19 parameter the electroni...

Page 52: ...The optimal value will depend on the level of the home s thermal insulation the higher the insulation level the lower the value of parameter P 49 can be In turn if the insulation level is reduced it is recommended to increase the parameter This parameter will only be applied in heating zones where there is a connected room sensor The selectable range of parameter P 49 is 0 2 5ºC and the factory de...

Page 53: ...ia in the DHW tank Every 7 days the temperature of tank hot water is increased to 70 ºC to kill the bacteria This function is only active if the boiler is turned on and a DHW tank is connected By means of parameter P 17 the protection against Legionella bacteria function may be activate or deactivate By default this function is set deactivated 16 2 DHW re circulation function P 20 2 The multifunct...

Page 54: ...ler temperature continues to drop below 4 ºC the burner will start running in order to heat the installation It will continue working until the boiler reaches 15 ºC This system remains on standby while the boiler is plugged into the mains 17 5 Boiler pressure sensor function This function prevents boiler failure caused by a low or high water pressure level in the boiler The pressure is detected by...

Page 55: ...rip prepared for the connection of a room sensor TA1 see Connection Diagrams which will make it possible to manage the heating service of the direct boiler circuit BC depending on the inside temperature of the house For correct connection and configuration carefully read the instructions in the Installing a room sensor or thermostat section The installation of a room sensor will optimise the opera...

Page 56: ...p J3 see Connections diagram The hydraulic installation and electrical connection of re circulation system must be made by qualified personnel During the operating periods programmed in the boiler the multi functional relay output will be activated supplying voltage 230 V between terminals No 4 NO and N of the terminal strip J3 where the recirculation pump must be connected During the switched off...

Page 57: ...ng the E 43 alarm and the ash should be emptied Once it has been emptied the ash level must be restored to 0 see Ashtray status so that the function can start again DOMUSA TEKNIK supplies an optional ash compacting device for to be installed within the boiler so that the ash does not need to be removed so frequently The user should regularly ensure that the ashtray is properly emptied and check th...

Page 58: ...ou wear a protective mask to avoid breathing in any ash particles particularly in the case of people with allergies or any type of respiratory problems who should always wear a mask when carrying out ash removal As the ash to be removed from the drawer may be burning or glowing special precautions should be taken regarding to the type of container it is emptied into A metal container is recommende...

Page 59: ...urner will switch off and stop heating the installation This lock out occurs when the temperature of boiler s water exceeds 110 ºC To unlock it wait until the temperature drops below 100 ºC and press the button of the safety thermostat located underside of the electrical case of the boiler after having removed the button cover 20 2 Fuel entrance tube overheat safety cut out E 05 When this lock out...

Page 60: ...ure between 1 and 1 5 bar is displayed in the water pressure parameter of the User Menu 21 SHUTTING DOWN THE BOILER Press during 1 second to shut down the boiler When the boiler is shut down the heating and DHW services are switched off but anti frost and pumps anti lock functions continue activated whereas the boiler is kept connected to the power supply and fuel installation Unplug the boiler fr...

Page 61: ...and have no leaks yearly 7 Clean the burner yearly 8 Check the expansion vessel It must be full according to its data plate yearly 9 Check the seal between the burner and the boiler yearly 10 Check if the hydraulic circuits are correctly sealed yearly 11 Check the water pressure of the boiler When the installation is cold it should be between 1 and 1 5 bar yearly NOTE Depending on the fuel type an...

Page 62: ... in order to avoid excessive ash formation A regular check of the amount of fuel should be carried out in the hopper as a lack of fuel can generate an error code E06 Dust can also accumulate at the bottom of the hopper depending on the quality and humidity of the wood pellets If there is a large quantity of wood pellet dust in the hopper DOMUSA TEKNIK s authorised technical assistance service must...

Page 63: ...63 BIOCLASS iC DX 23 3 Heat exchanger cleaning procedure The following procedure is recommended for correctly cleaning the heat exchanger ...

Page 64: ...e pay in the following parameters Maximum chlorides concentration 250 mg l Maximum sulphates concentration 250 mg l Sum of chlorides and sulphates concentration 300 mg l Maximum conductivity 800 µS cm IMPORTANT NOTE Improper handling of the boiler can lead to serious or even fatal failures for the appliance Therefore it is strictly forbidden for the user of the boiler to enter the TECHNICAL parame...

Page 65: ...ting return SA Sanitary water outlet RC Sanitary water return IC Heating Flow optional SH Fume outlet V Drainage cock VS Pressure e relief valve 1 2 F Dimensions mm IC RC A B C D E F G SH Bioclass iC DX 18 1 H 545 920 85 100 270 350 445 Ø100 Bioclass iC DX 25 670 1020 95 100 335 460 570 Ø100 ...

Page 66: ...EN 66 BIOCLASS iC DX S Hopper L Hopper S Hopper L Hopper PC Size PC Size Bioclass iC DX 18 67 370 Litres 101 560 Litres Bioclass iC DX 25 48 73 PC Combustion period in hours at QN ...

Page 67: ...onal relay NC Multi function relay TA1 Room Temperature Device Sc Boiler temperature sensor Sa DHW tank option resistance Rbt Sbt Resistance for BT tank Option RT Remote relay Sv Fan speed sensor J1 Power supply connector J2 Component connector J3 Component connector J4 Communication connector J5 LAGO FB OT remote control connector J6 Room Temperature Device connector J7 Sensors connector ...

Page 68: ...S iC DX 25 2 Burner FC2 FC1 FCP Qout Burner outputs connector R Ignition heater LC Burner ash cleaning device FC1 Closed switch FC2 Open switch Qin Burner inputs connector FR Photocell FCp Ash cleaning device switch ...

Page 69: ...hermostat Cv Fan capacitor SPW Water pressure sensor SPA Air pressure sensor Qout Burner outputs connector Qin Burner inputs connector LCD Display communication connector J4 Communication connector Vac iConnect card power supply C1 iConnect card power supply S1 S2 Boiler model DIP switch ...

Page 70: ...at minimum heat output 10 O2 mg m3 2 3 Partial load dust content 10 O2 mg m3 4 6 Boiler class according to EN 303 5 Class 5 Maximum operating pressure bar 3 Maximum operating temperature ºC 80 Maximum safety temperature ºC 110 Water volume litros 178 224 Minimum flue draught mbar 0 05 Maximum flue draught mbar 0 20 Flue gas mass flow rate at nominal partial load Kg s 0 013 0 005 0 018 0 006 Flue g...

Page 71: ...o Combustible Wood Pellet Ø6 8 mm Maximum length 35 mm Seasonal yield Ƞs 79 80 Seasonal heating emissions Part mg m3 5 7 OGC mg m3 5 4 CO mg m3 53 40 NOx mg m3 151 159 Electricity consumption at nominal power elmax kW 0 052 0 053 Electricity consumption at 30 nominal power elmin kW 0 031 0 034 Electricity consumption in standby mode PSB kW 0 007 0 007 Energy Efficiency Index EEI 117 117 It is reco...

Page 72: ... 09 Burner ash cleaning system switch error FCp E 10 Boiler water overheating The water in the boiler has exceeded the safety temperature of 100 ºC The boiler will lock out The boiler will be unlocked automatically when the boiler temperature drops below 90 ºC If this alarm occurs repeatedly contact the nearest official technical assistance service E 11 Safety thermostat Ts The water in the boiler...

Page 73: ...The kit will lock out When the communication is restored CVS Suction System will be unlocked If this alarm occurs repeatedly contact the nearest official technical assistance service E 27 CVS Suction System blockage If the level sensor continues to detect no fuel after 8 consecutive cycles CVS Suction System will lock out To unlock it press RESET button If this alarm occurs repeatedly contact the ...

Page 74: ...maintenance of the boiler E 45 BT tank temperature sensor open circuit Sbt BT tank temperature sensor is damaged or disconnected Contact your nearest official technical assistance service to have it replaced E 46 BT tank temperature sensor short circuited Sbt E 47 Communication error with pellets level sensing unit Communication failure between boiler and the pellets sensing system board PCB If th...

Page 75: ...t clogged or dirty smoke passage clogged air inlet duct If this alarm occurs repeatedly please contact the nearest official Technical Assistance Service E 64 Communication error with iConnect module Communication error between the boiler and the iConnect electronic card If this alarm occurs repeatedly please contact the nearest official Technical Assistance Service E 65 There is no serial number o...

Page 76: ...tions of any kind to its product characteristics without prior notice www domusateknik com POSTAL ADDRESS HEADQUARTERS FACTORY Apartado 95 Bº San Esteban s n 20730 AZPEITIA 20737 RÉGIL Guipúzcoa Spain Tel 34 943 813 899 CDOC002496 CDOC002496 18 10 21 ...