Radiant R1K 25 RAIN, Installation And Maintenance Manual

Page 1: ...R1K 25 RAIN RAD ING Man Inst 1901 1_SK 2_firm L224C_AHS Installation and Maintenance Manual for model Premix condensing system boiler only heating suitable for outdoor installation R1K 25 RAIN ...

Page 2: ..._AHS_EN Contact Details Office Address 10 Frankston Gardens Drive Carrum Downs Victoria Australia 3201 Email Address sales hydronicsupplies com au Website www hydronicsupplies com au Phone 61 3 9708 2600 Fax 61 3 9708 2700 ...

Page 3: ...ATE COLLECTION SIPHON 18 1 1 13 ANTI FREEZE PROTECTION 19 1 1 14 GAS CONNECTION 20 1 1 15 ELECTRICAL CONNECTION 20 1 1 16 POWER SUPPLY 21 1 1 17 OPTIONAL ELECTRICAL CONNECTIONS 22 1 1 18 FUME EXHAUST FITTINGS 24 1 1 19 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 BOILER COMMISSIONING 31 2 1 3 CO2 VALUE C...

Page 4: ...1_SK 2_firm L224C_AHS R1K 25 RAIN_Man Inst _AHS_EN TABLE OF CONTENTS 2 2 13 ACCESSING THE ELECTRONIC BOARD 51 2 2 14 SYSTEM EMPTYING 52 2 2 15 FAULT SIGNALLING CODES 53 2 2 16 ACTIVE FUNCTIONS SIGNALLING CODES 57 2 2 17 GAS CONVERSION 58 ...

Page 5: ...arts 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 information related to a general danger that if not complied with may cause serious personal damage or even death ATTENTION It identifies an information that if not compli...

Page 6: ...t the content of which the customer certifies that he is aware 2 with the conditions and purposes to which assets of the same type are intended For more information on the warranty validity its duration the obligations and the exemptions please consult the First start up certificate attached to this manual The manufacturer reserves the right to modify the tools and relative technical documentation...

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: ... MAKE SURE THAT THE FOLLOWING CONDITIONS ARE MET The device is connected to a heating plant and a water supply network appropriate for its power 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 w...

Page 9: ...er installation location goes below 10 centigrades please fill the plant with anti freeze liquid and insert and electrical resistances 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...

Page 10: ...x wooden crate nails fasteners plastic bags 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 boiler proceed as follows Place the packed boiler on the floor fig 1 A and remove the fasteners opening the four flaps of the box outwards Tur...

Page 11: ...y on a vertical solid wall able to sustain its weight In order to allow the access inside the boiler for maintenance operations you have to respect the minimum technical spaces indicated in figure 1 It is allowed an outdoor installation in a partially protected location i e shelter balcony that respect the minimum measure indicated in figure 2 H B A Y X 1200 mm A 200 mm B 300 mm X 60 mm Y 60 mm H ...

Page 12: ...r machine positioning proceed as follows see fig 3 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 the fasteners then trace the points for the fume exhaust fittings 3 remove the jig and drill the wall 4 hang the device ...

Page 13: ...t 1901 1_SK 2_firm L224C_AHS 1 Dimensioni_R1K_RAIN_EN 1 INSTALLATION INSTALLER 1 1 6 OVERALL DIMENSIONS 1 1 7 JIG 140 162 710 420 370 R G F A 53 148 80 102 37 110 R HEATING RETURN Ø 3 4 G GAS Ø 3 4 F COLD Ø 1 2 A HEATING FLOW Ø 3 4 ...

Page 14: ...AGRAM III Circulator priority maximum speed Appliance Loss fig 1 6 0 1 2 3 4 5 0 0 5 1 1 5 2 2 5 MSL 12 6 COMPACT III Wilo Yonos PARA MSL 12 7 0 0 0 4 0 8 1 2 1 6 2 0 2 4 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 2 4 6 8 0 1 2 3 4 5 6 7 8 0 10 20 30 40 50 70 60 80 0 0 4 0 8 1 2 1 6 2 0 2 4 0 10 20 30 40 4180 15PWM1 4640 5PWM1 3210 35PWM1 2730 45PWM1 2250 55PWM1 1280 75PWM1 1760 65PWM1 800 85PWM1 p kPa H m P...

Page 15: ...increase Refer to Pg 32 for more details Use position 2 to adjust minimum Co2 Natural Gas 9 8 8 LPG 10 2 10 Note Turn screw clockwise 1 Ensure Water Pressure 1 2 Bar Refer to Pg 17 for more details 2 Installroom thermostat Remove thermostatic loop after commissioning R1K 25 RAIN Check List Refer more Refer to Pg 22 for more details PUMP Gas Valve Auto Air Vent Pressure Gauge Control Panel F33 Will...

Page 16: ...nd recovery operations from any off axis positioning that may damage 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 boiler safety drains to a dischargefunnel Themanufacturerisnotresponsible for any floods due to...

Page 17: ...re powering up the boiler fill the system as follows 1 Make sure the circulator is not blocked 2 slightly loosen the cap of the circulator auto air vent 1 fig 1 to release the air from the system 3 slightly loosen the cap of the auto air vent placed on the top of the condensing block fig 3 to release the air form the top of the system 4 open the feeding tap R fig 2 5 release all the air 6 use pres...

Page 18: ...e again the loading tap R until the pressure gauge indicates the value of 1 2 bar fig 4 1 1 12 FILLING THE CONDENSATE COLLECTION SIPHON Before starting the boiler you have to fill the condensate collection siphon in order to avoid fuel 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 se...

Page 19: ...until the heating flow water temperature reaches 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 th...

Page 20: ...he 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 for any ...

Page 21: ...remove the boiler s front casing refer to 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 re...

Page 22: ...unscrew the screws and remove plate 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 pe...

Page 23: ... 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 33 32 31 30 29 28 27 26 MIAH4 ce ma PM SR 62 63 64 65 66 67 68 51 52 53 54 55 56 5 6 M13 M14 ar a...

Page 24: ...approved by Radiant For all discharge ducts with regard to the fumes path you should provide an uphill slope outwards so as to favour the reflux of the condensate towards the combustion chamber suitably realized to collect and drain acid condensate In order to discharge the fumes through a fumes exhaust duct carefully follow the technical standards in force Suction and discharge systems tailored t...

Page 25: ...25 R1K 25 RAIN RAD ING Man Inst 1901 1_SK 2_firm L224C_AHS 1 Raccordi fumari_cond_AUSTRALIA_EN 1 INSTALLATION SUPPORT CENTRE ...

Page 26: ...rge through a polypropylene pipe and the air exhaust directly from the hole situated on the room sealed chamber plate protected by a metal net 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 f...

Page 27: ...opylene pipe and the air exhaust directly from the hole situated on the room sealed chamber plate protected by a metal net 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 28: ...ATIONS WITHOUT FLUE CHIMNEY Suitable only for condensing boilers It allows the outside combustion flues discharge through a polypropylene pipe and the air intake directly from the hole which is situated on the room sealed chamber plate which is protected by a wire mesh PLEASE NOTE during the flue analysys tests place the analyser inside the frontal flue kit terminal slots Ø80 A A SECTION A A 209 1...

Page 29: ...only by qualified personnel and authorized by RADIANT BRUCIATORI S p A Gas leakage and operation of the appliance must be tested by the installer before leaving When satisfied with the operation please instruct the consumer on the correct method of operation 1 SUPPORT CENTRE SECTION 2 SUPPORT CENTRE SECTION ...

Page 30: ... correct 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 tha...

Page 31: ...esired operation mode If the symbol is displayed fixed it means that the function was 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 have to repeat the start up operation several times to release all air inside the gas tube Before repeating the operation wa...

Page 32: ...en wrench the screw 2 fig 2 of the Off Set adjuster To increase the CO2 value 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 FOR MAXIMUM HEATING POWER Press the key of the heating temperature setting to adjust the maximum heating power Make sure that the CO2 value complies with the indica...

Page 33: ... AND PROGRAMMING THE 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 heating circuit to select the parameter to be edited ...

Page 34: ...ART UP SUPPORT CENTRE 4 Use the keys and of the symbol S to change 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: ...ION P00 BOILER MODEL SELECTION 0 10 0 13 KW 1 18 KW HEAT 24 KW DOMESTIC 2 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 P01 BOILER TYPE SELECTION 0 5 0 ISTANTANEOUS R2K 1 ISTANTANEOUS RKR 2 ACCUMULATION 3 ACCUMULATION COMFORT 4 ISTANTANEOUS COMFORT FAST H2O 5 HEATING ONL...

Page 36: ...TER YOU CAN SET THE TIME DURING START UP PHASE NECESSARY 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 DOMES...

Page 37: ...POWER DURING A REQUEST TO OPERATE IN DOMESTIC MODE THE VALUE IS PRE SET BASED ON THE SET POWER SEE PARAMETER P00 AND ON THE GAS TYPE SEE PARAMETER P02 45 VALUE SET FOR PARAMETER P11 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 REQU...

Page 38: ...G STEP ADJUSTMENT THROUGH THIS PARAMETER YOU CAN SET THE FAN SPEED DURING START UP THE VALUE IS PRE SET BASED ON THE SET POWER SEE PARAMETER P00 AND ON THE GAS TYPE SEE PARAMETER P02 VALUE SET FOR PARAMETER P10 203 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 ...

Page 39: ...S 25 45 C THE SYSTEM TYPE CAN BE SET FROM PARAMETER P03 0 30 SET BY DEFAULT AT 25 THE NUMBERING OF THE VALUE CORRESPONDS TO KD CURVES ON THE CHART SEE CHART BELOW P17 DISABLEMENT OF DOMESTIC HOT WATER LINE BY MEANS OF SWITCH ONLY FOR FAST BOILERS BY ENABLING THIS PARAMETER IN THE PRESENCE OF A CONNECTION FOR EXAMPLE A BOILER CLOCK OR A TEMPERATURE THERMOSTAT ON BOILER CLOCK SWITCH ON THE BOARD THE...

Page 40: ...ESTIC TEMPERATURE 45 75 THE VALUE IS EXPRESSED IN C P22 SET POINT T DELIVERY RETURN ONLY WITH MODULATING PUMP AND RETURN PROBE CONNECTED THROUGH THIS PARAMETER YOU CAN SET THE TEMPERATURE DIFFERENCE BETWEEN DELIVERY AND RETURN 0 0 DISABLED 10 40 THE VALUE IS EXPRESSED IN C P23 MODULATING PUMP MINIMUM SPEED ONLY WITH MODULATING PUMP AND RETURN PROBE CONNECTED THROUGH THIS PARAMETER YOU CAN SET THE ...

Page 41: ...ET BY DEFAULT P29 ǻT HEATING POSTCIRCULATION THROUGH THIS PARAMETER IT IS POSSIBLE TO SET THE TEMPERATURE DIFFERENCE FROM THE MAIN BURNER SHUTOFF FOR THE INTERVENTION OF THE ROOM THERMOSTAT TO THE DISABLING OF THE PUMP IN HEATING MODE 0 25 THE VALUE IS EXPRESSED IN C SET BY DEFAULT AT 10 C P30 ǻ7 D H W TANK POSTCIRCULATION THROUGH THIS PARAMETER IT IS POSSIBLE TO SET THE TEMPERATURE DIFFERENCE FRO...

Page 42: ...ING THE HEATING FLOW RATE AND MANAGE ACTIVATION OF THE BOILER BY THE FLOW RATE ITSELF 0 DISABLED SET BY DEFAULT 1 ENABLED P33 MINIMUM THRESHOLD TO ACTIVATE THE BOILER THROUGH THE FLOWMETER ONLY IF PARAMETER P32 IS SET ON THE VALUE 1 THROUGH THIS PARAMETER IT IS POSSIBLE TO SET THE MINIMUM WATER FLOW RATE REQUIRED TO ACTIVATE THE BOILER 20 68 VALUE EXPRESSED IN HERTZ 20 Hz 3 5 l min 23 Hz 4 l min 2...

Page 43: ...S T R A L I A _ S K 2 _ E N 2 FIRST START UP SUPPORT CENTRE 2 1 6 ELECTRIC FAN FREQUENCY HEAT CAPACITY DIAGRAM GAS TYPE MINIMUM FREQUENCY MAXIMUM FREQUENCY Natural Gas Black Hz 45 188 Universal LPG Orange Hz 45 190 0 2 4 6 8 10 12 14 16 18 20 22 24 35 50 65 80 95 110 125 140 155 170 185 Universal LPG Orange Natural Gas Black HEAT CAPACITY kW FREQUENCY Hz ...

Page 44: ... 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 paying ...

Page 45: ...m heat capacity Universal LPG 10 2 10 CO at nominal heat capacity ppm 67 Fumes mass at nominal heat capacity g s 10 38 Fumes mass at minimum heat capacity g s 1 26 NOx class class 6 Weighted Nox 0 O2 mg kWh mg kWh 35 Heating circuit Adjustable heating temperature C 30 80 25 45 Maximum operating water temperature for heating circuit C 95 Maximum operating pressure for heating circuit kPa 300 Minimu...

Page 46: ... Hz 240 50 Max Absorbed Power W 138 Insulation rate IP X5D Gas supply Nominal supply pressure Natural Gas kPa 1 13 Heating Max fan speed Natural Gas Hz 188 Heating Min fan speed Natural Gas Hz 45 Fuel consumption Natural Gas MJ h 93 Nominal Supply pressure Universal LPG kPa 2 75 Heating Max fan speed Universal LPG Hz 190 Heating Min fan speed Universal LPG Hz 45 Fuel consumption Universal LPG MJ h...

Page 47: ...BURNER UNIT 4 DETECTION ELECTRODE 5 RETURN SENSOR 6 ELECTRIC FAN 7 SAFETY VALVE 3 bar 8 AIR RELIEF VALVE 9 CIRCULATOR 10 GAS VALVE 11 SYSTEM DRAINING TAP 12 SAFETY THERMOSTAT 13 HEATING PROBE 14 LIGHT UP ELECTRODE 15 EXPANSION TANK 16 START UP TRANSFORMER 17 AIR SUCTION TUBE 18 PROPORTIONAL VENTURI 19 WATER PRESSURE SWITCH 20 CONDENSATE COLLECTION SIPHON 2 3 4 5 7 9 10 11 12 13 14 15 16 6 19 20 1 ...

Page 48: ...NG FORWARD 1 FUMES SAFETY THERMOFUSE 2 HEAT EXCHANGER 3 BURNER UNIT 4 ELECTRIC FAN 5 GAS VALVE 6 AIR RELIEF VALVE 7 CIRCULATOR 8 SAFETY VALVE 3 bar 9 SYSTEM DRAINING TAP 10 HEATING PROBE 11 SAFETY THERMOSTAT 12 EXPANSION TANK 13 AIR SUCTION TUBE 14 PROPORTIONAL VENTURI 15 WATER PRESSURE SWITCH 16 CONDENSATE COLLECTION SIPHON 17 BY PASS 18 SYSTEM FILLING TAP R F A G 1 2 3 4 6 7 8 9 6 10 11 12 13 14...

Page 49: ...SE 102 C TA ENVIRONMENT THERMOSTAT AR ORANGE VG GAS VALVE SR HEATING PROBE L LINE GI YELLOW TRA START UP TRANSFORMER EV ELECTRIC FAN N NEUTRAL BI WHITE NE BLACK GR GREY ma ce ma ce ma ce ma gi bi gr EV C ce ma ce ma EA VG Tra ce ma ER TS TF SR 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 3...

Page 50: ...n the upper and lower side of the panel and remove it by pulling it towards yourself remove the fastening screws 3 placed on the lower side of the boiler and remove the connection cover To intervene on the front of the boiler please proceed as follows remove the fastening screws 4 placed on the front panel grab the front panel and remove it by pulling it towards yourself To intervene on the side p...

Page 51: ...RONIC 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 52: ...NTER mode and activate it turn off the main power supply switch wait for the boiler to cool down connect a flexible tube to the system emptying outlet and connect the other end of the tube to 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 reli...

Page 53: ...ANUAL 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 DETECT...

Page 54: ...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 E10 LOW FLOW RATE THE FLOW RATE VALUE DETECTED BY THE FLOWMETER IS LOWER THAN THE VALUE SET AT PARAMETER P33 INCREASE THE FLOW RATE OR LOWER THE VALUE AT PARAMETER P33 AUTOMAT...

Page 55: ...REQUEST MICRO PROCESSOR MEMORY LOSS PARAMETERS REPROGRAMMING MANUAL RESET CUT OFF THE TENSION E31 INCOMPATIBLE REMOTE CONTROL FUNCTION ACTIVE WHEN THE CONNECTED REMOTE CONTROL IS NOT COMPATIBLE WITH THE P C B REPLACE IT WITH A COMPATIBLE ONE AUTOMATIC E32 COMMUNICATION ERROR BETWEEN THE BOILER BOARD AND THE MODBUS BOARD NO ELECTRICAL CONNECTION CHECK THE WIRING AUTOMATIC MODBUS BOARD BROKEN REPLAC...

Page 56: ...azione anomalie_solo risc_MIAH4_firm L224C_EN 2 MAINTENANCE SUPPORT CENTRE CODE FAULT POSSIBLE CAUSE SOLUTION RESET E52 COMMUNICATION FAULT BETWEEN MODBUS CONTROLLER AND MODBUS CONTROL UNIT NO ELECTRICAL CONNECTION CHECK THE WIRING AUTOMATIC MODBUS CONTROL UNIT BROKEN REPLACE IT ...

Page 57: ... FREEZE IT ACTIVATES AUTOMATICALLY WHEN THE HEATING PROBE DETECTS A TEMPERATURE OF 12 C THE BOILER OPERATES AT MINIMUM GAS PRESSURE WITH THE DIVERTER VALVE SET TO WINTER MODE IT DEACTIVATES WHEN THE HEATING FLOW WATER TEMPERATURE REACHES THE 30 C AND IN PRESENCE OF A RETURN SENSOR WHEN THE HEATING RETURN WATER TEMPERATURE REACHES THE 20 C F33 SYSTEM AIR RELEASE CYCLE IT ACTIVATES AUTOMATICALLY AT ...

Page 58: ...nd 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 00124 for Natural gas cod 30 00170 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 i...

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Page 60: ...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 ...