Radiant SFK 34 Instructions For Installation, Use And Maintenance Manual Download Page 40

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SFK 34 - RAD - ING - Manuale - 1807.1_V3_firm.L225A

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2. FIRST START-UP

SUPPOR

ENTRE

PARAMETER

DESCRIPTION

RANGE

FUNCTION

P25

MODBUS COMMUNICATION BAUD RATE

BY MEANS OF THIS PARAMETER, IT IS

POSSIBLE TO SELECT THE MODBUS

COMMUNICATION BAUD RATE SUPPORTED

BY THE SAME INTERFACE.

0 - 5

0 = 9600

1 = 1200

2 = 2400

3 = 4800

4 = 9600

5 = 19200

P26

MODBUS ADDRESS

BY MEANS OF THIS PARAMETER, IT IS

POSSIBLE TO SET THE ADDRESS OF

THE BOARD ON MODBUS IN ORDER TO

PERFORM A CASCADE SYSTEM.

1 - 16

BOILER NUMBERING FOR MODBUS

(PRE-SET AT 1)

Summary of Contents for SFK 34

Page 1: ...SFK 34 RAD ING Manuale 1807 1_V3_firm L225A Installation Use and Maintenance Manual for model 0476 SFK 34 Condensing water heater ...

Page 2: ... CONDENSATE COLLECTION SIPHON 17 1 1 13 ANTI FREEZE PROTECTION 18 1 1 14 GAS CONNECTION 19 1 1 15 ELECTRICAL CONNECTION 19 1 1 16 POWER SUPPLY 20 1 1 17 OPTIONAL ELECTRICAL CONNECTIONS 21 1 1 18 FUME EXHAUST FITTINGS 23 1 1 19 INSTALLATION MODES 24 1 1 20 TYPES OF FUME EXHAUST SYSTEMS 26 2 SUPPORT CENTRE SECTION 29 2 1 FIRST START UP 30 2 1 1 PRELIMINARY OPERATIONS FOR FIRST START UP 30 2 1 2 WATE...

Page 3: ...6 GAS TYPE TRANSFORMATION 56 3 USER SECTION 57 3 1 USE 58 3 1 1 GENERAL USE WARNINGS 58 3 1 2 CONTROL PANEL 59 3 1 3 DISPLAY ICONS 60 3 1 4 INFO MENU DISPLAY DATA 61 3 1 5 START UP 62 3 1 6 OPERATING MODE 62 3 1 7 INFORMATIONAL NOTE ON ANTI FREEZE FUNCTION 62 3 1 8 FAULT SIGNALLING CODES 63 3 1 9 ACTIVE FUNCTIONS SIGNALLING CODES 65 3 1 10 FAST H2O FUNCTION 65 3 1 11 MAINTENANCE 66 3 1 12 COVER CL...

Page 4: ... 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 water heater DANGER It identifies an information related to a general danger that if not compli...

Page 5: ...ocumentation without any obligation to third parties neither will the company be held responsible for any inaccuracies in this handbook 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 RADIANT BRUCIATORI spa with reference to art 5 of D...

Page 6: ......

Page 7: ...d 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: ...r and performance The location must be properly vented through 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 section of passage The device is suitable for use with the type of gas available by checking the water heater data plate placed on the inner side of the front casing Make sure that the tubes and...

Page 9: ...tances kit see chapter ANTI FREEZE PROTECTION WARNING The manufacturer will not be held responsible for damages caused by incorrect installation not in conformity with the over mentioned instructions and not protected adequately from the freeze 1 1 3 REFERENCE LEGISLATION The installation must be realized according to the requirements of current legislation and in compliance with local technical r...

Page 10: ...dencrate nails fasteners plasticbags expanded polystyrene etc must be kept out of the reach of children as they may be dangerous Therefore they should be dismantled suitably differentiating them in accordance with the standards in force To unpack the water heater proceed as follows Place the packed water heater on the floor fig 1 A and remove the fasteners opening the four flaps of the box outward...

Page 11: ... the connections to the tubes offering you the possibility of connecting the water heater to completed masonry works For machine positioning proceed as follows see fig 2 1 Trace a line using a spirit level min length 25 cm on the installation wall 2 place the top of the jig along the traced line respecting the distances of the water connections then mark the two points to insert the two knobs or t...

Page 12: ...807 1_V3_firm L225A 1 Dimensioni_SFK 34_EN 1 INSTALLATION INSTALLER 1 1 6 OVERALL DIMENSIONS 1 1 7 JIG 301 157 64 64 136 151 330 410 642 C RC G F 97 160 31 84 38 130 95 C HOT Ø 3 4 RC RECIRCULATION Ø 3 4 G GAS Ø 3 4 F COLD Ø 3 4 ...

Page 13: ...is properly inclined being levelled see fig 1 so as to allow the condense to drain 1 1 8 RECIRCULATION MODE CIRCULATOR PREVALENCE FLOW DIAGRAM III Circulator priority maximum speed II Circulator head at second speed I Circulator head at minimum speed Appliance Loss fig 1 6 0 1 2 3 4 5 0 0 5 1 1 5 2 2 5 ZRS 12 6 III II I 6 0 1 2 3 4 5 0 0 5 1 1 5 2 2 5 PREVALENCE m FLOW RATE m3 h ...

Page 14: ...amage the tubes causing leaks malfunction or early wear WARNING In order to avoid any vibrations and noises do not use tubes with small diameters or elbows with small radius and significant cut off of the passage sections WARNING Connect the water heater safety drains to a discharge funnel The manufacturer is not responsible for any floods due to safety valve opening in case of plant overpressure ...

Page 15: ... means of the rc symbol adjust the setting of the return temperature by pressing and fig 3 The activation of the pump is displayed onto the control panel by means of the pump symbol To detect the return temperature the system activates the pump for 20 seconds every 10 minutes If the temperature detected therein by the recirculation sensor is lower than the required one the pump activates and the a...

Page 16: ...ows Turn the three way valve to the recirculation position as shown in Figure 1 as RC Arrange the hydraulic connections as per the scheme D H W PRODUCTION THRU A REMOTE TANK as per chapter HYDRAULIC BOARD Disconnect the two faston of the recirculation probe see B fig 2 and connect them onto the optional probe meant for the storage part number 40 00324 see fig 2 Insert this latter probe into the se...

Page 17: ...siphon in order to avoid fuel reflux through the siphon Fill the condensate collection siphon as follows see fig 1 With a glass pour the water in the heat exchanger s flue exhaust duct outlet see fig 1 up to fill the condensate trap to the highest point T fig 1 Connect the dedicated flexible condensate draining tube to a waste disposal system The condensate can be drained directly in the sewerage ...

Page 18: ...goes below the minimum pre set values protecting the water heater up to an external temperature of 10 C The device starts when the hot water temperature goes below 5 C automatically starting the burner until the water reaches the temperature of 15 C The system starts even if on the display appears OFF as long as the water heater is connected to the power 230 V and gas supply For long periods of st...

Page 19: ...ated on the data plate 1 1 15 ELECTRICAL CONNECTION DANGER 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...

Page 20: ...ve the water heater s front casing refer to chapter ACCESSING THE WATER HEATER 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 opera...

Page 21: ...make sure that the air cannot pass through To wire the optional below TP DOMESTIC HOT WATER PRE HEATING DEACTIVATION TIMER use the terminal placed inside the control panel as follows DANGER Cut off the voltage from the main switch remove the front casing of the water heater see chapter ACCESSING THE WATER HEATER unscrew the screws and remove plate A see fig 2 After removing the plate connect the e...

Page 22: ...iler s front casing refer to chapter ACCESSING THE WATER HEATER 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 3 After performing these operations remount the crankcase and the front casing 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 ...

Page 23: ...e outwards so as to favour the reflux of the condensate towards the combustion chamber suitably realized to collect and drain acid condensate For all air suction ducts with regard to the air path you should provide an uphill slope towards the water heater so as to avoid the protrusion inside the duct of rain water dust or foreign objects In case of horizontal co axial system installation correctly...

Page 24: ...th tubes commercialized and certificated separately C83 Discharge in single or common fume exhaust duct and wall suction system C93 Discharge through an intubated conduct to a vertical terminal The technical compartment in which is housed the discharge also plays the role of combustion air suction duct through the gap that will be formed DISCHARGE OF COMBUSTION PRODUCTS FOR C63 TYPE DEVICES Each f...

Page 25: ... exhaust duct have along its entire length a section equal to or greater then that of the connection of the device discharge tube have no shut off devices shutters for direct external discharge there must be no more than two changes in direction LOCATIONS VENTING FOR B TYPE DEVICES The locations in which are installed gas devices must be vented so as to ensure the amount of air necessary for a reg...

Page 26: ... intake for combustion through co axial ducts the 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 addi...

Page 27: ...harging fuel gas and air suctioning for combustion 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 sim...

Page 28: ...tion through co axial ducts the 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...

Page 29: ...ns described below relative to first start up maintenance and replacement should be performed only by qualified personnel and authorized by RADIANT BRUCIATORI S p A 1 SUPPORT CENTRE SECTION 2 SUPPORT CENTRE SECTION ...

Page 30: ...rect make sure that the grounding system works 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 th...

Page 31: ...is ignited WARNING Please make sure all the air is flushed off by means of the drain valve located within the unit A figure 1 and thru the air separator plug B figure 1 If the flame is missing the board will repeat the start up operations after post ventilation 20 seconds You might have to repeat the start up operation several times to release all air inside the gas tube Before repeating the opera...

Page 32: ... turn 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 Exit parameter P06 following the procedure described in chapter ACCESSING AND PROGRAMMING THE PARAMETERS FOR MAXIMUM POWER Open several D H W taps at the highest flow rate Access parameter P07 following the procedure described in chapter ACC...

Page 33: ...HE PARAMETERS To access the parameters menu and 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 symbol recirculation to select the parameter to be edited ...

Page 34: ...RE 4 Use the keys and of the domestic circuit tochange 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: ...MODE NON ACTIVE THROUGH THIS PARAMETER YOU CAN SET THE PUMP OPERATION DURATION ON THE DOMESTIC CIRCUIT AFTER THE TAP IS CLOSED 0 90 VALUE EXPRESSED IN MULTIPLES OF 5 SECONDS PRESET AT 12 X 5 60 SECONDS P04 POST CIRCULATION TIMING RECIRCULATION MODE ACTIVE THROUGH THIS PARAMETER YOU CAN SET THE PUMP OPERATION DURATION ON THE DOMESTIC CIRCUIT WHEN THE RECIRCULATION MODE IS ACTIVE AFTER THE TAP IS CL...

Page 36: ...ET THE MAXIMUM FAN SPEED CORRESPONDING TO THE MAXIMUM POWER OF THE BURNER THE VALUE IS PRE SET BASED ON THE SET POWER SEE PARAMETER P00 AND ON THE GAS TYPE SEE PARAMETER P01 43 255 VALUE EXPRESSED IN HERTZ 1HZ 30 RPM P08 STARTING STEP ADJUSTMENT THROUGH THIS PARAMETER YOU CAN SET THE FAN SPEED DURING THE START UP THE VALUE IS PRE SET BASED ON THE SET POWER SEE PARAMETER P00 AND ON THE GAS TYPE SEE...

Page 37: ... IN MINUTES PRE SET AT 10 MINUTES P13 MAXIMUM DOMESTIC SETPOINT THROUGH THIS PARAMETER YOU CAN SET THE USER ADJUSTABLE MAXIMUM DOMESTIC TEMPERATURE 50 67 VALUE EXPRESSED IN C PRE SET AT 60 C P14 MINIMUM DOMESTIC SETPOINT THROUGH THIS PARAMETER YOU CAN SET THE USER ADJUSTABLE MINIMUM DOMESTIC TEMPERATURE 35 45 VALUE EXPRESSED IN C PRE SET AT 40 C P15 ANTI LEGIONELLA FUNCTION FOR STORAGE TANK THROUG...

Page 38: ... l min 45 Hz 3 l min 52 Hz 3 5 l min 59 Hz 4 l min 64 Hz 4 5 l min 68 Hz 5 l min P18 ADDITIONAL POST VENTILATION TIMING THROUGH THIS PARAMETER YOU CAN SET A PERIOD OF OPERATION ADDITIONAL TO THE 20 STANDARD SECONDS OF THE FAN AFTER THE BURNER SHUTDOWN 20 120 VALUE EXPRESSED IN SECONDS PRE SET AT 30 SECONDS P19 ANTI WATER HAMMER SELECTION ONCE THIS FUNCTION IS ENABLED THE D H W CONTACT WILL BE DELA...

Page 39: ...ABLED 1 ENABLED WITH SOME SETTINGS TO BE ADJUSTED FROM THE BOILER CONTROL PANEL 2 DISABLED SET BY DEFAULT P24 CONNECTION STATUS OF THE SOLAR AUXILIARY BOARD BY MEANS OF THIS PARAMETER IT IS POSSIBLE TO ENABLE THE AUXILIARY BOARD FOR THE EXPANSION OF THE RESOURCES WHEN THE SOLAR AUXILIARY BOARD IS CONNECTED TO THE BOILER BOARD AUTOMATICALLY THE VALUE OF THIS PARAMETER BECOMES 1 BUT IF THE SOLAR AUX...

Page 40: ...COMMUNICATION BAUD RATE BY MEANS OF THIS PARAMETER IT IS POSSIBLE TO SELECT THE MODBUS COMMUNICATION BAUD RATE SUPPORTED BY THE SAME INTERFACE 0 5 0 9600 1 1200 2 2400 3 4800 4 9600 5 19200 P26 MODBUS ADDRESS BY MEANS OF THIS PARAMETER IT IS POSSIBLE TO SET THE ADDRESS OF THE BOARD ON MODBUS IN ORDER TO PERFORM A CASCADE SYSTEM 1 16 BOILER NUMBERING FOR MODBUS PRE SET AT 1 ...

Page 41: ...if required proceed as indicated in section CO2 VALUE CHECK AND CALIBRATION remove and clean the burner from oxidation check the integrity and the position of the sealed chamber sealing gasket check the primary exchanger if necessary clean it check the operation of the gas light up and safety systems If necessary remove and clean the flame detection and light up electrodes from incrustations payin...

Page 42: ...807 1_V3_firm L225A 2 Avvertenze generali per la manutenzione_scaldabagno_cond_EN 2 MAINTENANCE SUPPORT CENTRE check that the liquid flow is not obstructed and that there are no combustion gas refluxes inside the internal system ...

Page 43: ...es mass at nominal heat capacity g s 14 80 Fumes mass at minimum heat capacity g s 1 85 Weighted Nox 0 O2 ppm ppm 28 Weighted Nox 0 O2 mg kWh mg kWh 50 Domestic circuit Adjustable domestic temperature C 35 60 Maximum pressure for domestic circuit bar 8 Minimum pressure for domestic circuit bar 0 5 Specific capacity in continuous service Δt 30 C litres min 17 06 Dimensional characteristics Width mm...

Page 44: ... duct m 2 Max discharge length Ø60 Vert duct m 12 Max discharge length Ø80 Vert duct m 35 Electrical specifications Voltage frequency V Hz 230 50 Max Absorbed Power W 123 Insulation rate IP X5D Gas supply Nominal supply pressure G20 mbar 20 D H W Max fan speed G20 Hz 194 D H W Min fan speed G20 Hz 45 Fuel consumption G20 m3 h 3 60 Nominal Supply pressure G30 mbar 28 30 D H W Max fan speed G30 Hz 1...

Page 45: ...IT 4 DETECTION ELECTRODE 5 ELECTRIC FAN 6 SAFETY VALVE 8 bar 7 DIVERTER VALVE 8 GAS VALVE 9 MANUAL AIR RELIEF VALVE 10 DOMESTIC HOT WATER OUTLET PROBE 11 SAFETY THERMOSTAT 12 LIGHT UP ELECTRODE 13 AIR SUCTION TUBE 14 AUTOMATIC AIR RELIEF VALVE 15 START UP TRANSFORMER 16 PROPORTIONAL VENTURI 17 CIRCULATOR 18 CONDENSATE COLLECTION SIPHON 19 FLUXMETER 1 2 3 4 5 6 7 8 9 10 11 12 14 13 15 16 17 19 18 ...

Page 46: ...TER INLET 1 FUMES SAFETY THERMOFUSE 2 HEAT EXCHANGER 3 BURNER UNIT 4 ELECTRIC FAN 5 COLD WATER INLET PROBE 6 RECIRCULATION PROBE 7 DIVERTER VALVE 8 SAFETY VALVE 8 bar 9 AIR RELIEF VALVE 10 DOMESTIC HOT WATER OUTLET PROBE 11 SAFETY THERMOSTAT 12 AIR SUCTION TUBE 13 PROPORTIONAL VENTURI 14 CONDENSATE COLLECTION SIPHON 15 NO RETURN VALVE 16 CIRCULATOR 17 FLUXMETER 18 GAS VALVE C G RC F SC 1 9 10 11 1...

Page 47: ...DENSATE GAS SUPPLY H W SUPPLY C W SUPPLY DRAIN CONDENSATE GAS SUPPLY H W SUPPLY DRAW MODE RECIRCULATION NON ACTIVE POST CIRCULATION MODE RECIRCULATION NON ACTIVE RECIRCULATION MODE POST CIRCULATION ACTIVE CONDENSATE DRAIN GAS SUPPLY STORAGE TANK SENSOR STORAGE TANK D H W D H W CIRCUIT D H W SUPPLY LINE MIXING VALVE SA D H W PRODUCTION THRU A REMOTE TANK RECIRCULATION PUMP RECIRCULATION WATER NETWO...

Page 48: ...NGE VG GAS VALVE SRC RECIRCULATION PROBE L LINE GI YELLOW TRA START UP TRANSFORMER MP PANEL TERMINAL N NEUTRAL BI WHITE TF FUMES THERMOFUSE 102 C EV ELECTRIC FAN NE BLACK GR GREY MF FLUXMETER RO RED ma ce ma ce ma gi bi gr EV ce ma ce ma EA VG Tra ER TS TF SI SS ce ma ma ce 220 V 50 Hz MP 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...

Page 49: ...el To intervene on the front of the water heater 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 water heater proceed as follows remove the fastening screws 2 fig 1 placed on the front edge of the side panel g...

Page 50: ...BOARD In order ot intervene on the wirings 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 51: ...E SUPPORT CENTRE 2 2 13 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 supply network open all cold and hot water taps after completing all operations close the discharge tap and all previously opened water taps ...

Page 52: ...O key CODE FAULT POSSIBLE CAUSE SOLUTION RESET E01 FLAME BLOCK NO FLAME LIGHT UP MANUAL 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 WATER HEATERS CHECK THE MAXIMUM ADJUSTMENT PRESSURE WITH FLAME L...

Page 53: ...CHECK THE WIRING E05 INLET PROBE COLD WATER 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 AUTOMATIC DISCONNECTED OR WET PROBE CONNECTOR CHECK THE WIRING E15 RECIRCULATION MODE PROBE ...

Page 54: ... AUXILIARY BOARD DISCONNECTED SET MANUALLY THE VALUE OF PARAMETER P24 TO 0 AUTOMATIC E32 COMMUNICATION ERROR BETWEEN THE WATER HEATER BOARD AND THE MODBUS BOARD NO ELECTRICAL CONNECTION CHECK THE WIRING AUTOMATIC MODBUS BOARD BROKEN REPLACE IT E35 RESIDUAL FLAME FAULTY DETECTION ELECTRODE CLEAN IT OR REPLACE IT MANUAL RESET PRESS THE RESET KEY FAULTY DETECTION ELECTRODE CABLE REPLACE IT FAULTY MOD...

Page 55: ...ECONDS AS POST CIRCULATION F28 ANTI LEGIONELLA THE FUNCTION IS ACTIVATED FOR THE FIRST TIME 60 MINUTES AFTER THAT THE WATER HEATER HAS BEEN ELECTRICALLY POWERED STARTING FROM THAT MOMENT IT COMES AUTOMATICALLY INTO OPERATION EVERY 7 DAYS BRINGING THE HOT WATER TEMPERATURE OF THE STORAGE CYLINDER UP TO 60 C THIS FUNCTION IS ENABLED INDEPENDENTLY FROM THE CONTACT TO THE CYLINDER CLOCK PROVIDING THAT...

Page 56: ...fig 3 and apply pressure on the rear side of venturi C fig 3 replace the body venturi with the one suitable for the type of supply gas cod 30 00207 for methane cod 30 00201 for GPL 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...

Page 57: ...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 58: ...als or property due to incorrect use DANGER The water heater should not be used by persons including children with reduced physical sensory or mental capacities or without suitable knowledge or experience unless they are instructed onthedeviceuseormonitoredbyapersonresponsible for their safety DANGER DO NOT obstruct the air vents of the location in which the gas device is installed to prevent the ...

Page 59: ...O KEY PRESS ONCE TO VIEW THE TEMPERATURES AND OTHER INFORMATION see chapter INFO MENU DISPLAY HOLD FOR 5 SECONDS IN OFF OPERATING MODE TO VIEW THE LAST 5 FAULTS 3 OPERATING MODE SELECTION KEY ON OFF 4 RESET KEY FAULTS RESET 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 60: ... 2 PARAMETERS PROGRAMMING FUNCTION ACTIVE 3 RECIRCULATION PUMP ACTIVE 4 TEMPERATURE DISPLAY SET POINT PARAMETER VALUE 5 FLAME PRESENT SIGNALLING IT ALSO INDICATES ON 3 PERCENTAGE LEVELS THE MODULATING POWER LEVEL OF THE WATER HEATER fig 2 6 OPERATION IN DOMESTIC MODE ENABLED 7 ERROR DISPLAY THAT CAN BE RESET 8 OFF OPERATING MODE 9 ERROR DISPLAY THAT CAN NOT BE RESET 3 4 5 6 7 8 9 1 2 33 33 66 66 1...

Page 61: ...y The info code will be displayed on the left side of the screen and its relative value will be displayed on the centre of the screen Use keys and of the symbol recirculation to scroll through the list of displayed data To exit display mode press the INFO key LIST OF DISPLAYED DATA INFO CODE DESCRIPTION d0 COLD CIRCUIT INLET PROBE TEMPERATURE d1 HOT WATER CAPACITY d2 FAN SPEED d4 RECIRCULATION PRO...

Page 62: ...ature press key to increase the temperature The return temperature adjustment field ranges from 30 C to 45 C OFF MODE In this mode the water heater no longer meets the domestic hot water demands the anti freeze and pump anti locking systems still remain active To switch the water heater to OFF operating mode press the function key the symbol will appear fixed on the display indicating that the fun...

Page 63: ... THE TECHNICAL SUPPORT CENTRE E02 SAFETY THERMOSTAT CONTACT THE TECHNICAL SUPPORT CENTRE E03 FUMES SAFETY THERMOFUSE 102 C CONTACT THE TECHNICAL SUPPORT CENTRE E05 INLET PROBE COLD WATER CONTACT THE TECHNICAL SUPPORT CENTRE E06 DOMESTIC CIRCUIT PROBE CONTACT THE TECHNICAL SUPPORT CENTRE E15 RECIRCULATION MODE PROBE CONTACT THE TECHNICAL SUPPORT CENTRE E16 ELECTRIC FAN CONTACT THE TECHNICAL SUPPORT...

Page 64: ...ICAL SUPPORT CENTRE E32 COMMUNICATION ERROR BETWEEN THE WATER HEATER 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 THE DISPLAY THE WATER HEATER WILL START AUTOMATICALLY E40 SUPPLY VOLTAGE CONTACT THE TECHNICAL SUPPORT CENTRE E52 COMMUNICATION FAULT BETWEEN M...

Page 65: ...IMULTANEOUSLY AND FOR 7 SECONDS THE RESET AND OF THE SYMBOL RECIRCULATION 3 1 10 FAST H2O FUNCTION The Fast H2O function keeps a constant temperature in the DHW circuit within the water heater 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 ...

Page 66: ...ver of the device using a wet cloth and come neutral soap WARNING DONOTuseabrasiveorpowderdetergents as they might damage the plastic cover and control elements 3 1 13 DISPOSAL The water heater 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...

Page 67: ......

Page 68: ...RADIANT BRUCIATORI s p a Via Pantanelli 164 166 61025 Loc Montelabbate PU Tel 39 0721 9079 1 fax 39 0721 9079279 e mail info radiant Internet http www radiant it ...

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Radiant SFK 34, Instructions For Installation, Use And Maintenance Manual

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