Flexiheat R2K 50, Installation, Use And Maintenance Manual

Page 1: ...R2K 50 RAD ING Manuale 2107 1_SKM1 3_firm L224G Installation Use and Maintenance Manual for model 0476 R2K 50 Condensing boiler with integrated heat exchanger for domestic hot water production ...

Page 2: ... 1 14 POWER SUPPLY 20 1 1 15 OPTIONAL ELECTRICAL CONNECTIONS 21 1 1 16 FUME EXHAUST FITTINGS 24 1 1 17 TYPES OF FUME EXHAUST SYSTEMS 25 2 SUPPORT CENTRE SECTION 29 2 1 FIRST START UP 30 2 1 1 PRELIMINARY OPERATIONS FOR FIRST START UP 30 2 1 2 BOILER COMMISSIONING 31 2 1 3 CO2 VALUE CHECK AND CALIBRATION 32 2 1 4 ACCESSING AND PROGRAMMING THE PARAMETERS 33 2 1 5 DIGITECH CS PARAMETERS TABLE 35 2 1 ...

Page 3: ...ARNINGS 62 3 1 2 CONTROL PANEL 63 3 1 3 DISPLAY ICONS 64 3 1 4 INFO MENU DISPLAY DATA 65 3 1 5 START UP 66 3 1 6 OPERATING MODE 66 3 1 7 INFORMATIONAL NOTE ON ANTI FREEZE FUNCTION 67 3 1 8 FAULT SIGNALLING CODES 68 3 1 9 ACTIVE FUNCTIONS SIGNALLING CODES 70 3 1 10 FAST H2O FUNCTION 70 3 1 11 MAINTENANCE 71 3 1 12 EXTERNAL CASING CLEANING 71 3 1 13 DISPOSAL 71 ...

Page 4: ...ich the instructions in that section address The titles are differentiated by thickness and size in accordance with their hierarchy The images contain important parts described in the text marked with numbers or letters See chap chapter name this entry indicates another section in the Manual that you should refer to Device this term is used referring to the boiler DANGER It identifies an informati...

Page 5: ...ook deriving from printing or translation errors the material and intellectual ownership of this manual and forbids its distribution and duplication even partial without prior written authorization PRODUCT CONFORMITY Eco design Directive 2009 125 CE Energy labelling Directive 2010 30 CE Regulation EU 811 2013 Regulation EU 813 2013 Regulation EU 2016 426 Electromagnetic compatibility Directive 201...

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Page 7: ... be performed only by qualified personnel having the appropriate technical training in the field for the installation and maintenance of components of civil and industrial domestic hot water production and heating plants 1 INSTALLER SECTION 1 INSTALLER SECTION ...

Page 8: ...h an air vent The air vent must be placed at floor level to prevent it from being obstructed protected by a grid that does not hamper the useful passage section The device is suitable for use with the type of gas available by checking the boiler data plate placed on the inner side of the front casing Make sure that the pipes and joints are perfectly sealed without any gas leaks Make sure that the ...

Page 9: ... FREEZE PROTECTION WARNING The manufacturer will not be held responsible for damages caused by incorrect installation not in conformity with the above mentioned instructions and not duly protected from freeze 1 1 3 REFERENCE LEGISLATION The installation must be done according to the requirements of current legislation and in compliance with local technical regulations according to the indications ...

Page 10: ...ILER OVERALL DIMENSIONS 1 1 5 JIG 302 157 136 150 642 306 485 410 642 485 410 70 84 57 102 70 42 107 244 R G sc A 27 C F 164 R HEATING RETURN Ø 1 1 4 C HOT Ø 1 2 G GAS Ø 3 4 F COLD Ø 1 2 A HEATING FLOW Ø 1 1 4 SC CONDENSATE DRAIN Ø 25 mm ...

Page 11: ...11 1 INSTALLATION INSTALLER 1 1 6 CIRCULATOR PREVALENCE FLOW DIAGRAM Appliance Loss Wilo Yonos PARA INT RS 25 8 PREVALENCE m FLOW RATE m3 h ...

Page 12: ...side the condensate module WARNING The boiler must be installed only on a vertical solid wall able to sustain its weight WARNING The boilers have the electrical protection degree IPX5D The outdoor installation in partially protected environments platform roof balcony see fig 2 is allowed in compliance with the related standards The Company is not held liable for installations in environments with ...

Page 13: ...n its weight In order to fix the thermal generator on the wall proceed as follows 1 fix on the wall fig 1 using the fisher the upper bracket 2 hook the eyelets of the boiler into the adequate hooks fig 2 3 unscrew the fixing screws of the lower bracket fig 3 ensuring the free sliding of the bracket fig 4 towards the boiler 4 adjust the inclination of the boiler fig 5 by sliding the lower bracket e...

Page 14: ... In order to mount the frame and therefore the generator proceed as follows 1 check the angle of the wall with the floor 2 assemble the side profiles 3 and 4 on the pillars 1 and 2 fig 1 3 assemble the side pillars 1 and 2 on the horizontal crossbeam 5 4 assemble the central crossbeam 8 and the lower one 7 5 complete the assembly position the frame binding it to the wall 9 if provided and on the f...

Page 15: ...ESTIC CIRCUIT In order to prevent limestone build up and damages to the domestic water heat exchanger the hardness of the domestic supply water should not exceed 15 f However please check the characteristics of the water used and install suitable treating devices The heat exchanger coil cleaning frequency depends on the hardness of the supply water and on the presence of solid residues or impuriti...

Page 16: ...he boiler fill the system as follows 1 slightly loosen the cap of the circulator jolly valve 1 fig 1 to release the air from the system 2 slightly loosen the cap of the jolly valve placed on the top of the condensing block fig 3 to release the air form the top of the system 3 open the feeding tap R fig 2 4 release all the air 5 use pressure gauge M fig 2 to make sure that the system pressure reach...

Page 17: ...1 10 FILLING THE CONDENSATE COLLECTION SIPHON Before starting the boiler you have to fill the condensate collection siphon in order to avoid flue reflux through the siphon Fill the condensate collection siphon as follows see fig 5 With a glass pour the water in the heat exchanger s flue exhaust duct outlet see fig 5 up to fill the condensate trap to the highest point T fig 5 Connect the dedicated ...

Page 18: ...es the 30 C and in presence of a return sensor until the heating return water temperature reaches the 20 C The system starts even if on the display appears OFF as long as the boiler is connected to the power 230 V and gas supply For long periods of standby please empty the boiler and the plant If the temperature goes below 10 centigrades please fill the plant with anti freeze liquid CLEANPASS FLUI...

Page 19: ...R The equipment is electrically safe only if it is properly connected to an efficient grounding system performed in compliance with the safety standards in force You should check this essential safety requirement If in doubt request an accurate check of the electrical system performed by qualified staff as the manufacturer is not responsible for any damages caused by lack of grounding system Make ...

Page 20: ...chapter ACCESSING THE BOILER loosen the two screws and remove the plate A see fig 1 after removing the plate connect the electrical cables to terminal B see fig 1 the yellow green cable to the terminal marked with grounding symbol the blue cable to the terminal marked with N the brown cable to the terminal marked with L After performing these operations remount plate A and the front casing L N Se ...

Page 21: ...A see fig 2 After removing the plate connect the electrical cables to terminal B see fig 2 For the external temperature Probe connect the two non polarized conductors to the Se Se contacts For the environment Thermostat or Remote control first remove the bridge on the Ta Ta contacts and then connect the two non polarized conductors to the Ta Ta contacts After performing these operations remount pl...

Page 22: ...OILER remove the crankcase of the control panel see chapter ACCESSING THE ELECTRONIC BOARD after removing the crankcase connect the items below to the electronic board see fig 1 After performing these operations remount the crankcase and the front casing TP CT BUS 0 10V GND BUS 11 10 9 8 7 12 13 14 15 16 17 M12 M9 M7 M5 M2 M4 M8 M10 M15 M16 1 2 3 4 57 61 60 59 58 44 43 42 41 40 39 38 37 36 35 34 3...

Page 23: ...17 value is set to 1 see chapter DIGITECH CS PARAMETERS TABLE the burner ignition request in D H W mode is disabled when closing the contact If FAST H2O function is active the function is deactivated when closing the contact TANK RESTORATION if parameter P01 value is set to 2 or 3 see chapter DIGITECH CS PARAMETERS TABLE the tank restoration function is deactivated when closing the contact Upon D ...

Page 24: ...sion inside the duct of rain water dust or foreign objects In case of horizontal co axial system installation correctly place the horizontal co axial terminal suitably realized to respect the slopes inside the fumes duct and to protect the air suction duct from adverse weather conditions In order to discharge the fumes through a fumes exhaust duct carefully follow the technical standards in force ...

Page 25: ...he external one for air intake the plastic internal one for fumes discharge PLEASE SEE THE MAXIMUM DISCHARGE LENGTH IN THE TABLE IN CHAPTER TECHNICAL DATA The maximum discharge length or linear reference length can be calculated summing the length of the linear tube and that equivalent to each additional curve with respect to the first Subsequent addition of a curve is similar to adding a linear l...

Page 26: ...r air intake the plastic internal one for fumes discharge PLEASE SEE THE MAXIMUM DISCHARGE LENGTH IN THE TABLE IN CHAPTER TECHNICAL DATA The maximum discharge length or linear reference length can be calculated summing the length of the linear tube and that equivalent to each additional curve with respect to the first Subsequent addition of a curve is similar to adding a linear length of tube acco...

Page 27: ...tion through two separated ducts PLEASE SEE THE MAXIMUM DISCHARGE AND INTAKE LENGTH IN THE TABLE IN CHAPTER TECHNICAL DATA The maximum discharge and intake length or linear reference length can be calculated summing the length of the linear tube and that equivalent to each additional curve with respect to the first Subsequent addition of a curve is similar to adding a linear length of tube accordi...

Page 28: ...ough two separated ducts PLEASE SEE THE MAXIMUM DISCHARGE AND INTAKE LENGTH IN THE TABLE IN CHAPTER TECHNICAL DATA The maximum discharge and intake length or linear reference length can be calculated summing the length of the linear tube and that equivalent to each additional curve with respect to the first Subsequent addition of a curve is similar to adding a linear length of tube according to th...

Page 29: ...1 SERVICE CENTRE SECTION 2 SUPPORT CENTRE SECTION All operations described below relative to first start up maintenance and replacement should be performed only by qualified personnel ...

Page 30: ...properly make sure that the combustion air adduction and fumes and condensate discharge take place properly in compliance with the Local and National Laws and Standards in force make sure that the fumes discharge tube and its connection to the fume exhaust duct comply with the requirements of the Local and National Laws and Standards make sure that the heating system gate valves are open make sure...

Page 31: ...urther 3 minutes and switch off the power supply and switch it on again Open the gas tap Use the button to select the desired operation mode If the symbol is displayed fixed it means that the function has been activated The burner will start as soon as the thermostat contact is closed If the flame is missing the board will repeat the start up operations after post ventilation 20 seconds You might ...

Page 32: ...rn the screw clockwise and vice versa if you want to decrease it Once completed the adjustment tighten the protection screw A fig 2 on the Off Set adjuster FOR MAXIMUM HEATING POWER Press the key of the heating in order to calibrate the maximum heating power Make sure that the CO2 value complies with the requirements indicated in chapter Technical data otherwise adjust using screw 1 fig 2 of the g...

Page 33: ...adjust their values follow the procedure below 1 Press the button to select the OFF mode displayed using the symbol 2 Hold at the same time the keys and until on the display appears the symbol with the message P00 and release the keys and 3 Use the keys and of the heating circuit to select the parameter to be edited ...

Page 34: ...ange the value of the parameter 5 Press the key to confirm the action and wait for the display to stop blinking indication of the fact that the adjustment was implemented 6 To exit the parameters menu hold at the same time the keys and and wait for the symbol to appear on the display ...

Page 35: ... 25 KW 3 28 KW 4 34 KW 5 55 KW 6 100 KW 7 R1K 18_24 R2K 24 R2KA 24 IN ALL VERSIONS 8 R1K 25_28 R2K 28 R2KA 28 IN ALL VERSIONS 9 R1K 34 R2K 34 R2KA 34 IN ALL VERSIONS 10 R1K 50 11 R1K 57 R1K 60 P01 BOILER TYPE SELECTION 0 5 0 ISTANTANEOUS R2K 1 ISTANTANEOUS RKR 2 ACCUMULATION IN THE BOILER 3 ACCUMULATION IN THE REMOTE STORAGE TANK 4 ISTANTANEOUS COMFORT FAST H2O 5 HEATING ONLY ...

Page 36: ...ECESSARY FOR THE BOILER TO REACH THE MAXIMUM SET POWER ON THE HEATING SIDE 0 4 0 DISABLED 1 50 SECONDS 2 100 SECONDS 3 200 SECONDS SET BY DEFAULT 4 400 SECONDS P05 ANTI WATER HAMMER SELECTION ONCE THIS FUNCTION IS ENABLED THE DHW CONTACT WILL BE DELAYED FOR A TIME EQUAL TO THE SET VALUE 0 20 0 DISABLED 1 20 THE VALUE IS EXPRESSED IN SECONDS P06 DOMESTIC CIRCUIT PRESERVATION FUNCTION ONLY FOR ISTAN...

Page 37: ...ARAMETER P00 AND ON THE GAS TYPE SEE PARAMETER P02 SEE CHAPTER H E A T C A P A C I T Y D I A G R A M KW ELECTRIC FAN F R E Q U E N C Y HZ THE VALUE IS EXPRESSED IN HERTZ 1HZ 30 RPM P11 DOMESTIC FAN MAXIMUM SPEED ADJUSTMENT THROUGH THIS PARAMETER YOU CAN SET THE FAN MAXIMUM SPEED IN DOMESTIC PHASE THAT CORRESPONDS TO THE MAXIMUM BURNER POWER DURING A REQUEST TO OPERATE IN DOMESTIC MODE THE VALUE IS...

Page 38: ...UP THE VALUE IS PRE SET BASED ON THE SET POWER SEE PARAMETER P00 AND ON THE GAS TYPE SEE PARAMETER P02 SEE CHAPTER H E A T C A P A C I T Y D I A G R A M KW ELECTRIC FAN F R E Q U E N C Y HZ THE VALUE IS EXPRESSED IN HERTZ 1HZ 30 RPM P15 ANTI LEGIONELLA FUNCTION FOR STORAGE BOILERS ONLY THROUGH THIS PARAMETER YOU CAN ACTIVATE DEACTIVATE THE ANTILEGIONELLA HEAT TREATMENT OF THE STORAGE TANK EVERY 7 ...

Page 39: ...LUE KD SET SEE CHART THE SELECTION OF THE CURVE IS DETERMINED BY THE MAXIMUM DELIVERY TEMPERATURE TM AND THE MINIMUM EXTERNAL TEMPERATURE TE TAKING INTO ACCOUNT THE HOUSE INSULATION DEGREE THE VALUES OF THE DELIVERY TEMPERATURES TM REFER TO STANDARD SYSTEMS 30 80 C OR FLOOR SYSTEMS 25 45 C THE SYSTEM TYPE CAN BE SET FROM PARAMETER P03 0 30 SET BY DEFAULT AT 25 THE NUMBERING OF THE VALUE CORRESPOND...

Page 40: ...1 0 DISABLED SET BY DEFAULT 1 ENABLED P18 ENABLING BUS INDUSTRIAL PILOTING 0 10V THROUGHTHISPARAMETERYOUCANENABLEORDISABLETHE BUS INDUSTRIAL INPUT 0 10 V TO SET THROUGH EXTERNAL BUS THE BURNER POWER OR THE DELIVERY TEMPERATURE 0 2 0 DISABLED SET BY DEFAULT 1 TEMPERATURE CONTROL MODE 2 POWER CONTROL MODE P19 MINIMUM HEATING SETPOINT THROUGH THIS PARAMETER YOU CAN SET THE USER ADJUSTABLE MINIMUM HEA...

Page 41: ... VALUE IS EXPRESSED IN PERCENTAGE P25 D H W STORAGE TANK TEMPERATURE SETPOINT FOR STORAGE BOILERS ONLY THROUGH THIS PARAMETER YOU CAN SET THE PRIORITY STARTING VALUE OF THE STORAGE TANK COMPARED TO THE USER ADJUSTABLE D H W SETPOINT 3 9 THE VALUE IS EXPRESSED IN C PRE SET AT 9 C P26 MODBUS ADDRESS BY MEANS OF THIS PARAMETER IT IS POSSIBLE TO SET THE ADDRESS OF THE BOARD ON MODBUS IN ORDER TO PERFO...

Page 42: ...PARAMETER IT IS POSSIBLE TO SET THE HEATING WATER TEMPERATURE AT WHICH THE ANTI FREEZE PROTECTION DEVICE STARTS WORKING 5 12 THE VALUE IS EXPRESSED IN C SET BY DEFAULT AT 8 C P32 ENABLING FLOWMETER ONLY WITH FLOWMETER KIT CODE 65 00712 CONNECTED THROUGH THIS PARAMETER IT IS POSSIBLE TO ENABLE THE FLOWMETER FOR MEASURING THE HEATING FLOW RATE AND MANAGE ACTIVATION OF THE BOILER BY THE FLOW RATE ITS...

Page 43: ...ATION PUMP 0 4 0 DISABLED SET BY DEFAULT 1 HEATING CIRCUIT BOOSTER PUMP 2 D H W BOOSTER PUMP 3 RECIRCULATION PUMP 4 REMOTE LED FOR SIGNALLING BOILER BLOCK SEE CHAPTER OPTIONAL ELECTRICAL CONNECTIONS P35 SAFETY CHECK ENABLING FOR INSUFFICIENT CIRCULATION DURING IGNITION BY ACTIVATING THIS PARAMETER THE CORRECT FUNCTIONING OF THE PUMP IS CHECKED AT EACH BURNER IGNITION THIS CHECK ALLOWS TO PROTECT T...

Page 44: ...CAPACITY DIAGRAM GAS TYPE MINIMUM FREQUENCY MAXIMUM FREQUENCY STARTING STEP ADJUSTMENT G20 Hz 53 247 130 G30 Hz 53 230 140 G31 Hz 53 240 140 G30 G20 G31 0 5 10 15 20 25 30 35 40 45 50 55 35 50 65 80 95 110 125 140 155 170 185 200 215 230 245 HEAT CAPACITY kW FREQUENCY Hz ...

Page 45: ...t to the burner check the sealing of the gas components and replace if necessary the gaskets visually check the flame and the condition of the combustion chamber if necessary make sure that the combustion is suitably adjusted and if required proceed as indicated in section CO2 VALUE CHECK AND CALIBRATION periodically check the integrity of the fume exhaustion system for safety and proper operation...

Page 46: ...urn 47 C 102 8 Efficiency at 30 Heat Input average return 30 C 108 83 Efficiency Heat Output min 60 80 C 96 51 Efficiency at 100 Heat Input 30 50 C 106 8 Efficiency Heat Output min 30 50 C 105 7 Maximum combustion efficiency 97 9 Minimum combustion efficiency 98 Flue efficiency losses with burner on Heat Input max 2 1 Flue efficiency losses with burner on Heat Input min 2 Fumes temperature Heat In...

Page 47: ...oss weight Kg 45 Hydraulic Connections C H Flow Ø 1 1 4 Cold water inlet Ø 1 2 D H W outlet Ø 1 2 Gas Ø 3 4 C H Return Ø 1 1 4 Flue systems Fan Max available pressure Pa 100 Fan Min available pressure Pa 30 Max Flue length Ø60 100 Horiz Conc m 3 Flue bend 45 MF Ø60 100 Pressure loss m 0 6 Flue bend 90 MF Ø60 100 Pressure loss m 1 Flue extension MF Ø60 100 L 1000 Pressure loss m 1 Max Flue length Ø...

Page 48: ...output G20 Hz 247 Fan speed Max D H W output G20 Hz 247 Fan speed Min HEATING output G20 Hz 53 Fan speed Min D H W output G20 Hz 53 Gas consumption G20 m3 h 5 29 Supply pressure G30 mbar 28 30 Supply pressure min G30 mbar 25 Supply pressure max G30 mbar 35 Fan speed Max HEATING output G30 Hz 230 Fan speed Max D H W output G30 Hz 230 Fan speed Min HEATING output G30 Hz 53 Fan speed Min D H W output...

Page 49: ...AL VENTURI 7 CIRCULATOR 8 CONDENSATE COLLECTION SIPHON 9 SYSTEM DRAINING TAP 10 GAS VALVE 11 AUTOMATIC AIR RELIEF VALVE 12 SAFETY THERMOSTAT 13 HEATING PROBE 14 LIGHT UP ELECTRODE 15 START UP TRANSFORMER 16 D H W EXCHANGER 17 ELECTRIC FAN 18 WATER PRESSURE SWITCH 19 DIVERTER VALVE 20 FLOW SWITCH 21 SYSTEM FILLING TAP 1 2 3 4 5 8 9 10 11 12 14 15 16 17 19 18 21 7 6 13 20 ...

Page 50: ... UNIT 4 ELECTRIC FAN 5 AIR RELIEF VALVE 6 SAFETY VALVE 3 bar 7 CIRCULATOR 8 GAS VALVE 9 SYSTEM DRAINING TAP 10 HEATING PROBE 11 SAFETY THERMOSTAT 12 AIR SUCTION TUBE 13 D H W EXCHANGER 14 PROPORTIONAL VENTURI 15 DOMESTIC CIRCUIT PROBE 16 CONDENSATE COLLECTION SIPHON 17 WATER PRESSURE SWITCH 18 DIVERTER VALVE 19 BY PASS 20 FLOW SWITCH 21 FLOW LIMETER 22 SYSTEM FILLING TAP R A G 1 2 3 4 7 5 10 11 12...

Page 51: ...UP TRANSFORMER SS DOMESTIC CIRCUIT PROBE N NEUTRAL BI WHITE TF FUMES THERMOFUSE 102 C EV ELECTRIC FAN NE BLACK GR GREY VD DIVERTER VALVE SRI RETURN SENSOR ma ce ma ce ma gi bi gr EV ne ce ne ma MF TS TF SR SS ar ar ce ma ma ce ne ne 220 V 50 Hz MP Pacq 11 10 9 8 7 12 13 14 15 16 17 M12 M9 M7 M5 M2 M4 M8 M10 M15 M16 1 2 3 4 57 61 60 59 58 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 62 ...

Page 52: ...he boiler proceed as follows remove the fastening screws 1 fig 1 placed on the lower edge of the front panel grab the front panel from the bottom and remove it pulling it to yourself and then upwards see fig 1 To intervene on the side panels of the boiler proceed as follows remove the fastening screws 2 fig 1 placed on the front edge of the side panel grab the bottom of the panel and remove it by ...

Page 53: ...s of the control panel please proceed as follows DANGER Cut off the voltage from the main switch Grab at the same time the support brackets of the control panel fig 1 loosening them and turn the panel downwards unscrew the four fastening screws 1 fig 1 remove the crankcase pulling it upwards 1 1 1 1 fig 1 ...

Page 54: ...o a suitable discharge turn the discharge tap of the system RS fig 1 open the relief valves of the radiators starting from the one at the top and continuing downwards after draining out all water close the relief valves of the radiators and the emptying tap EMPTYING THE DOMESTIC SYSTEM If there is freezing risk you have to empty the domestic system as follows close the main supply tap of the water...

Page 55: ...L RESET PRESS THE RESET KEY GAS MISSING CHECK THE ADDUCTION NETWORK MASS OR BROKEN START UP ELECTRODE REPLACE IT GAS VALVE BROKEN REPLACE IT SLOW LIGHT UP TOO LOW ADJUSTMENT ADJUST MINIMUM OR SLOW LIGHT UP VALVE INFEED PRESSURE TOO HIGH ONLY FOR GPL BOILERS CHECK THE MAXIMUM ADJUSTMENT PRESSURE WITH FLAME LIGHT UP NEUTRAL AND PHASE INVERTED POWER SUPPLY PROPERLY CONNECT THE POWER SUPPLY DETECTION ...

Page 56: ...SYSTEM AUTOMATIC WATER PRESSURE SWITCH CABLE DISCONNECTED CHECK THE WIRING WATER PRESSURE SWITCH BROKEN REPLACE IT E05 HEATING PROBE BROKEN OR INCORRECTLY CALIBRATED PROBE RESISTANCE VALUE 10 KOHM AT 25 C NTC REPLACE IT AUTOMATIC DISCONNECTED OR WET PROBE CONNECTOR CHECK THE WIRING E06 DOMESTIC CIRCUIT PROBE BROKEN OR INCORRECTLY CALIBRATED PROBE RESISTANCE VALUE 10 KOHM AT 25 C NTC REPLACE IT AUT...

Page 57: ...CTRIC FAN BROKEN REPLACE IT FAULTY POWER SUPPLY CABLE REPLACE IT E18 I N S U F F I C I E N T CIRCULATION EXCHANGER OBSTRUCTED CLEAN OR REPLACE THE EXCHANGER AUTOMATIC CIRCULATOR BROKEN OR DIRTY IMPELLER CLEAN THE IMPELLER OR REPLACE THE CIRCULATOR E21 GENERAL INTERNAL BOARD ERROR INCORRECT SIGNAL RECOGNITION BY THE MODULATION BOARD MICRO PROCESSOR IF THE MODULATION BOARD DOES NOT RESET THE ERROR A...

Page 58: ...IT MANUAL RESET PRESS THE RESET KEY FAULTY DETECTION ELECTRODE CABLE REPLACE IT FAULTY MODULATION BOARD REPLACE IT E40 SUPPLY VOLTAGE SUPPLY VOLTAGE OFF THE OPERATION RANGE d160 VOLTS CHECK THE POWER SUPPLY NETWORK THE ERROR DEACTIVATES AUTOMATICALLY AS SOON AS THE SUPPLY VOLTAGE FALLS BACK WITHIN THE REQUESTED LIMITS AUTOMATIC E52 COMMUNICATION FAULT BETWEEN MODBUS CONTROLLER AND MODBUS CONTROL U...

Page 59: ... THE 20 C F09 D H W CIRCUIT ANTI FREEZE THE FUNCTION IS AUTOMATICALLY ENABLED WHEN THE D H W SENSOR DETECTS A TEMPERATURE OF 4 C THE BOILER OPERATES AT MINIMUM GAS PRESSURE WITH THE DIVERTER VALVE IN THE SUMMER POSITION THE FUNCTION IS DISABLED WHEN THE TEMPERATURE DETECTED BY THE SENSOR IS 8 C IN THE D H W CIRCUIT F33 SYSTEM AIR RELEASE CYCLE IT ACTIVATES AUTOMATICALLY AT FIRST BOILER START UP PE...

Page 60: ...C fig 3 replace the body venturi with the one suitable for the type of supply gas cod 30 00225 for Natural gas cod 30 00226 for Universal LPG and make sure the tooth D fig 3 is adjusted downwards on the aluminium ring nut see fig 3 remount the components following the demounting operations in reverse making sure that gasket G is re assembled as shown in fig 1 set the boiler to operate with the new...

Page 61: ...n are addressed to all those who will use the machine The machine must be used and accessed only by qualified operators that fully read and understood the User section paying particular attention to the warnings 1 USER SECTION 3 USER SECTION ...

Page 62: ...or mental capacities or without suitable knowledge or experience unless they are instructed on the device use or monitored by a person responsible for their safety DANGER DO NOT obstruct the air vents of the location in which the gas device is installed to prevent the formation of toxic explosive mixes DANGER If you sense a gas odour in the location in which the boiler is installed proceed as foll...

Page 63: ...PLAY HOLD FOR 5 SECONDS IN OFF OPERATING MODE TO VIEW THE LAST 5 FAULTS 3 OPERATING MODE SELECTION KEY SUMMER ONLY HEATING WINTER OFF 4 RESET KEY FAULTS RESET CHIMNEY SWEEP FUNCTION ACTIVATION HOLD FOR 7 SECONDS 5 DOMESTIC HOT WATER TEMPERATURE ADJUSTMENT KEY HOLD THE KEYS AT THE SAME TIME FOR 5 SECONDS TO ACTIVATE DISPLAY BACK LIGHT FOR 10 MINUTES 6 DISPLAY 5 1 6 2 3 4 ...

Page 64: ...AL PROBE TEMPERATURE d1 7 TEMPERATURE DISPLAY SET POINT PARAMETER VALUE 8 OPEN THERM COMMUNICATION PRESENT REMOTE CONTROL AREA CONTROL UNIT 9 INSUFFICIENT SYSTEM WATER PRESSURE SIGNALLING 10 FLAME PRESENT SIGNALLING IT ALSO INDICATES ON 3 PERCENTAGE LEVELS THE MODULATING POWER LEVEL OF THE BOILER fig 2 11 OPERATION IN DOMESTIC MODE ENABLED 12 ERROR DISPLAY THAT CAN BE RESET 13 OFF OPERATING MODE 1...

Page 65: ...EMPERATURE IF SOLAR BOARD INSTALLED SCS d6 SOLAR BOILER TEMPERATURE BOTTOM IF SOLAR BOARD INSTALLED SBSI d7 SOLAR BOILER TEMPERATURE TOP IF SOLAR BOARD INSTALLED SBSS d8 SOLAR COLLECTOR PROBE TEMPERATURE 2 IF SOLAR BOARD INSTALLED SCS2 d9 EXTRA SOLAR BOILER TEMPERATURE IF SOLAR BOARD INSTALLED SBS3 dA INERTIAL STORAGE SENSOR TEMPERATURE dB LOW TEMPERATURE HEATING CIRCUIT RETURN SENSOR TEMPERATURE ...

Page 66: ...oms the automatic start up system will start the burner this is indicated by displaying the symbol blinking WINTER MODE In this mode the boiler meets the demands of heating and of domestic hot water To switch the boiler to WINTER operating mode press the function key the symbols and will appear fixed on the display indicating that the function is enabled Whenever heating energy and domestic hot wa...

Page 67: ...ollows contact the Technical support centre that will empty the water system where no anti freeze is intended and will cut off the power water and gas supply Or leave the boiler in OFF operating mode keeping active the electrical and gas supplies so that the anti freeze function may activate 3 1 7 INFORMATIONAL NOTE ON ANTI FREEZE FUNCTION The boiler is protected against freezing thanks to the ele...

Page 68: ...SAFETY THERMOSTAT 95 C CONTACT THE TECHNICAL SUPPORT CENTRE E03 FUMES SAFETY THERMOFUSE 102 C CONTACT THE TECHNICAL SUPPORT CENTRE E04 WATER MISSING IN THE SYSTEM IF THE SYSTEM PRESSURE IS BELOW 1 2 BAR FILL THE SYSTEM AS DESCRIBED IN CHAPTER SYSTEM FILLING IF THE BLOCK PERSISTS CONTACT THE TECHNICAL SUPPORT CENTRE E05 HEATING PROBE CONTACT THE TECHNICAL SUPPORT CENTRE E06 DOMESTIC CIRCUIT PROBE C...

Page 69: ...S THE BOILER WILL RESTART AUTOMATICALLY IF THE BLOCK PERSISTS CONTACT THE TECHNICAL SUPPORT CENTRE E31 INCOMPATIBLE REMOTE CONTROL CONTACT THE TECHNICAL SUPPORT CENTRE E32 COMMUNICATION ERROR BETWEEN THE BOILER BOARD AND THE MODBUS BOARD CONTACT THE TECHNICAL SUPPORT CENTRE E35 RESIDUAL FLAME PRESS THE RESET BUTTON ON THE CONTROL PANEL TO RESET THE FAULT AS SOON AS THE ERROR CODE DISAPPEARS FROM T...

Page 70: ...USLY AND FOR 7 SECONDS THE RESET AND OF THE DOMESTIC CIRCUIT 3 1 10 FAST H2O FUNCTION The Fast H2O function keeps a constant temperature in the DHW circuit within the boiler according to the temperature set by the user The Fast H2O function offers three advantages the hot water is immediately supplied at the requested temperature unnecessary delays are avoided by increasing the comfort of the fina...

Page 71: ... 13 DISPOSAL The boiler and all its accessories must be differentiated suitably disposed of in accordance with the standards in force The use of the symbol WEEE Waste Electrical and Electronic Equipment shows that this product can not be dismantled as domestic waste Proper dismantle of this product helps preventing potentially negative consequences on human health and environment To ensure proper ...

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