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RK 34.B - RAD - ING - MAN.INST - 1310.1 - DIGITECH

1. VZ1 Zone valve 1 VZ2 Zone valve 2 VZR Zone valve Remote control FC Zone valve limit switch BUS BUS 0 10V aw SVZ pe NORDGA g RL RL2 KARA P09182 54 MAINTENANCE INSTRUCTIONS 6 8 Troubleshooting ys To display the last 5 errors keep pressed the seconds The errors number will appear in chronological order 1 first fault INFO button in OFF mode position for 5 5 last fault Use and buttons of Heating Temperature setting to scroll the list of saved errors To reset the errors list press the RESET button Press the
2. REGULATION INSTRUCTIONS PARAMETER P06 D H W PRIORITY FUNCTION This parameter is used to maintain the diverter valve on D H W mode for a time equal to the post circulation keeping hot the secondary heat exchanger To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 5 Use and buttons D H W temperature setting i to modify the value of the parameter 00 Off 01 On 6 Press mode selection button 4 QW to confirm and to render the new parameter operative 7 exit from the parameters menu press simultaneously and fJ buttons PARAMETER P07 CENTRAL HEATING TIMER This parameter is used to set the minimum time in which the burner is kept switched off once the heating flow temperature has exceeded the temperature set by the user To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters men
3. REGULATION INSTRUCTIONS PARAMETER P09 D H W STORAGE CYLINDER PUMP OVERRUN TIMER This parameter is used to set the pump functioning time in D H W mode after closing the water tap To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 ER 5 Use and buttons D H W temperature setting T to modify the value of the parameter within the prescribed limits displayed in multiples of 5 seconds min 00 max 90 Forex 90 90 x 5 450 7 5 min The default value is 18 90 1 5 min 6 Press mode selection button q i to confirm and to render the new parameter operative 7 To exit from the parameters menu press simultaneously and PARAMETER P10 SETS THE MINIMUM FAN SPEED This parameter is used to set the minimum fan speed which corresponds to the minimum burner output To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing
4. REGULATION INSTRUCTIONS PARAMETER P12 SETS THE MINIMUM FAN SPEED CENTRAL HEATING This parameter is used to set the minimum fan speed in heating mode which corresponds to the minimum burner output during a heating mode request To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 ERN 5 Use 9 and buttons D H W temperature setting D to modify the value of the parameter within the prescribed limits displayed in Hertz min 33 Hz max Value set in parameter P13 The default value is set according to the output value set in Parameter POO 6 Press mode selection button to confirm and to render the new parameter operative E 7 To exit from the parameters menu press simultaneously and buttons PARAMETER P13 SETS THE MAXIMUM FAN SPEED CENTRAL HEATING This parameter is used to set the maximum fan speed in heating mode which corresponds to the maximum burner output during a he
5. REGULATION INSTRUCTIONS PARAMETER P17 SETS THE TEMPERATURE MEASUREMENT UNIT This parameter is used to set the temperature measurement unit displayed Celsius 9C or Fahrenheit F degrees To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 EB 5 Use and buttons D H W temperature setting to modify the value of the parameter 00 C 01 F 6 Press mode selection button to confirm and to render the new parameter operative ow 7 To exit from the parameters menu press simultaneously 7 and buttons PARAMETER P18 SETS THE 0 10V INDUSTRIAL BUS PILOTING This parameter is used to enable disable the 0 10V industrial bus in order to set the burner output and the flow temperature by outdoor bus To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 GA 5 Use and buttons D H W temperature setting to modify the value of the parameter 00 Disabled 01 Flow temperature control mode 02 Burner output control mode 6 Press mode selection button ll
6. s eo eo 7 UN i i fi 162 lise 302 130 21 Flue type kit CK50 INSTALLATION INSTRUCTIONS Vertical concentric flue kit 080 125 polypropylene inner pipe Discharges exhaust fumes and draws air directly from high Level Suitable for condensing boilers only Discharges exhaust gases and draws combustion air at roof level by means of two concentric ducts The external 125 duct draws the combustion air while the 80 plastic inner duct discharges the exhaust fumes MAXIMUM FLUE LENGTH 8 m The maximum flue length linear equivalent is obtained by summing the length of linear pipe and the equivalent lengths of each bend fitted The linear equivalent is intended as being the total length of the duct from the connection with the combustion chamber of the appliance excluding the first bend The linear equivalent of additional bends is as follows 280 125 x 90 0 8 m 280 125 x 45 0 5 USE ONLY RADIANT TYPE APPROVED FLUE SYSTEMS FOR DISCHARGING EXHAUST GASES AND DRAWING COMBUSTION AIR A EE RS 1 E a xd 4 x e APAPS FN EANA N E 2 A J A J J 2 2 Z 2 4 7
7. 162 730 415 320 22 4 INSTALLATION INSTRUCTIONS COMMISSIONING THE APPLIANCE 4 1 General warnings A The following operations must be carried out by professionally qualified personnel registered in A A accordance with current legislation The boiler leaves the factory pre set and tested for burning either natural Gas or LPG Nevertheless when starting the boiler for the first time make sure that the information on the rating plate corresponds to the type of gas being supplied to the boiler Once the system has been filled and the necessary adjustments made remember to tighten the screws of the gas valve test point and make sure that there are no gas leaks from the test point and from any pipe fittings upstream of the gas valve Preliminary operations Sw itching the boiler on for the first time means checking that the installation regulation and operation of the appliance are correct If the gas supply system is newly installed then the air present in the pipes can cause the boiler not to light at the first attempt A number of attempts may be required in order to light the boiler Check that the data on the data plate corresponds to that of the mains supply networks gas electricity water Check that the power supply voltage to the boiler complies with the data plate 230 V 5
8. pna gt Sooo ff E 2 BHHBUBBoEST i oo M9 Vs 11 52 MAINTENANCE INSTRUCTIONS 6 7 Electrical connections Option Connect the power supply to the terminal board located onto the control panel as follows a switch off the power supply at the main switch b remove the front case panel of the boiler see paragraph 6 3 Accessing the boiler c slacken the screws and remove plate A from the control panel see fig 1 With the plate removed proceed with the following wires connection e ofthe outdoor temperature sensor on contacts marked as Se Se on the terminal board B e ofthe room thermostat or telephone control removing the jumper Ta Ta from the terminal board B first and then connecting the room thermostat telephone control wires d When wires have been connected place plate A back to position and then the front case panel Key Outdoor temperature SE sensor TA Room thermostat Open Therm Remote CR control cod 40 00017 In case of a simultaneously outdoor temperature sensor and remote control installation the printed circuit board sends the outdoor temp
9. SHUTTER LEGEND HR HEATING RETURN HF HEATING FLOW RCR REMOTE D H W CYLINDER RETURN RCF REMOTE D H W CYLINDER FLOW G GAS 5 CONDENSATE DRAIN INSTALLATION INSTRUCTIONS 2 5 Circulation pump head flow graph Head m Flow m3 h III II Pump head at maximum speed Pump head at second speed Pump head at minimum speed Appliance Loss INSTALLATION INSTRUCTIONS 2 6 DIGITECH CS Printed Circuit Board MIAH4 Technical characteristics Adjustments for service personnel only Standard 30 80 C reduced 25 45 C central heating temperature Water hammer prevention function Central Heating timer adjustable from 0 to 7 5 minutes Central Heating pump overrun timer Domestic Hot Water pump overrun timer Minimum Gas pressure setting Maximum Heating Load Heating output rising time Central heating maximum and minimum Set Point adjustment Domestic Hot Water maximum Set Point Adjustment User settings e Heating Temperature setting 30 80 25 45 e D H W temperature setting 35 60 Summer only mode Winter only mode Summer Winter mode selection Operation Functions display e Lock Out Water low pressure Temperature display Flame presence ON 3 power steps Error History display last 5 errors LFS i 0 To switch the boiler OFF press INFO button the symbol appears on the dis
10. X L Y 4 24 ae py 7 DISTANCES mm a X Y L H A B 60 60 415 1000 200 300 Fig 1 2 a 22 Am s 41 1 PN SS S Nee p Nd Joe SN wW BO oN p ae Fig 2 14 INSTALLATION INSTRUCTIONS 3 5 Water connections A In order to safeguard the heat exchanger and circulation pump especially in case of boiler replacement it is recommended that the system is hot flushed to remove impurities especially oil and grease from the pipes and radiators Make sure that the domestic water and central heating pipes are not used to earth the electrical system The pipes are totally unsuitable for this purpose Isolation Valves must be installed on the heating and D H W circuits This will facilitate all maintenance and service operations where the boiler needs to be drained m To prevent vibration and noise coming from m the system do not use pipes of reduced diameter short radius elbows or severe reductions in the cross sections of the water passages m To facilitate the installation the boiler is supplied with an hydraulic connection kit see fig 2 Domestic hot water circuit m order to prevent scaling and eventual dama
11. e Use button to select the WINTER mode The symbol will light up fixed light to indicate the selected operation mode e The automatic ignition system will then light the burner e In case of flame failure the ignition system repeats the ignition procedure after the fan overrun cycle 20 sec It may be necessary to repeat the operation in order to remove all the air from the pipes To repeat the operation wait approximately 5 seconds from the last ignition attempt before resetting the error code E01 pressing the reset button 4 6 Value adjustment e Unscrew the aluminium plug and insert the gas analyser in the exhaust test point PF fig 1 to check the CO value Make sure that the value complies with that stated in Table n 1 e f the value does not correspond to that stated adjust screw V see fig 1 on the venturi manifold clockwise to reduce the value or counter clockwise to increase it Use a 4mm Allen Wrench for this adjustment 27 REGULATION INSTRUCTIONS 5 REGULATING THE BOILER 5 1 Parameters table PARAMETER PARAMETER 2 OPERATION VALUE FUNCTION 00 13 kW 01 18 KW 02 25 kW Selects the model of boiler 00 06 03 28 kW 04 34 kW 05 50 kW 06 100 kW 00 Istantaneou
12. INFO button to exit the errors display mode PROBLEM POSSIBLE CAUSE REMEDY RESET WITHOUT FLAME IGNITION NO GAS a CHECK MAINS GAS b IGNITION ELECTRODE BROKEN SUPPLY OR EARTHED b REPLACE PART C GAS VALVE MALFUNCTION REPLACE PART d IGNITION SEQUENCE SET TOO d SET THE IGNITION LOW SEQUENCE IONISATION e GAS VALVE INLET PRESSURE CHECK THE MAXIMUM Manual Reset press the E01 PROBLEM TOO HIGH FOR LPG BOILERS GAS PRESSURE SETTING ONLY Reset button WITH FLAME IGNITION f CONNECT THE BOILER f POWER SUPPLY LINE AND PROPERLY NEUTRAL CABLES REVERSED g REPLACE PART g IONISATION ELECTRODE h CONNECT THE MALFUNCTION IONISATION ELECTRODE h IONISATION ELECTRODE CABLE CABLE DISCONNECTED SAFETY i THERMOSTAT MALFUNCTION Manual Reset OR OUT OF CALIBRATION i REPLACE PART E02 THERMOSTAT press the lt lt Reset TRIPPED 95 C j THERMOSTAT CABLE j CHECK THE WIRING Dutton DISCONNECTED k THERMO FUSE BROKEN k REPLACE PART Manual Reset 102 C THERMO E03 FUSE TRIPPED THERMO FUSE CABLE OR CHECK THE WIRING AND press the 7 Reset POWER SUPPLY THE POWER SUPPLY button DISCONNECTED CONNECTION m INSUFFICIENT WATER m FILL THE SYSTEM PRESSURE IN THE SYSTEM STOPS AT 0 3 BAR E04 4 TATE n WATER PRESSURE SWITCH n CHECK THE WIRING Automatic CABLE DISCONNECTED 0 WATER PRESSURE SWITCH MALFUNCTION 0 REPLACE PART p SENSOR MALFUNCTION OR OUT OF CALIBRATIO
13. buttons 35 Tm REGULATION INSTRUCTIONS PARAMETER P15 LEGIONELLA PREVENTION FUNCTION For storage boilers only To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 5 Use and buttons D H W temperature setting modify the value of the parameter 00 Off 01 2 On 6 Press mode selection button confirm and to render the new parameter operative T To exit from the parameters menu press simultaneously 7 and W buttons PARAMETER P16 SETS THE CLIMATIC COMPENSATION CURVE w outdoor temperature sensor only installation The installation of an outdoor temperature sensor see paragraph 6 6 Electrical connections allows to automatically modify the flow temperature in accordance to the outdoor temperature The factor governing the correction is the Kd thermoregulation value indicating the flow temperature range selected fig 1 The selection of the compensation curve is determined by the maximum flow temperature Tm and the minimum outdoor
14. GENERAL INFORMATION 1 2 Product conformity RADIANT BRUCIATORI S p A declares that all its products are manufactured to a high specification and in compliance with the relevant standards The materials used such as copper brass stainless steel etc form a compact homogeneous highly functional unit that is easy to install and simple to operate In its simplicity the wall mounted appliance is equipped with all the appropriate accessories required to make it a fully independent boiler capable of satisfying domestic hot water production and central heating needs All boilers are fully inspected and are accompanied by a quality certificate signed by the inspector and a guarantee certificate This manual must be kept in a safe place and must accompany the boiler at all times RADIANT BRUCIATORI S p A will not be held responsible for any misinterpretation of this manual resulting from the inaccurate translation of same RADIANT BRUCIATORI S p A will not be held responsible for the consequences in the case of non observance of the instructions contained in this manual or in the case where actions not specifically described herein are undertaken Radiant Bruciatori S p A declare that no substances harmful to health are contained in the appliance or used during appliance manufacture and have not used or intend to use any of the following substances in the manufacture of Radiant heating products Asbestos Mercury CFC s
15. In case of an outdoor boiler installation where temperatures can drop below 10 it is recommended to fill the hydraulic system with an antifreeze inhibitor see below Table for the dilution percentage and to install a Heating elements kit cod 65 00200 Table Antifreeze Temperature Ethylene glycol boiling point 96 volume C C 10 101 20 102 30 104 40 106 50 109 60 114 Recommended Glycol 20 percentage for temperatures up to 10 C 26 INSTALLATION INSTRUCTIONS 4 5 Starting up the boiler Once the system has been filled proceed as follows e Check that the exhaust duct is free from obstructions and correctly connected to the flue exhaust system Table n e connect a rubber pipe to the draining tap placed on top of the condensing heat Gas type CO exchanger and turn it counter clockwise G 20 9 18 e switch on the power supply to the boiler G 30 10 3 e only for the first start up the ignition G 31 10 3 system will automatically start the System purging function The function code F33 will appear on the display e When the function is active the pump circulates but the burner will not start for 5 minutes e to direct any air away from the system The starting of the boiler is enabled only once the purging cycle has been completed e close the draining tap placed on top of the condensing heat exchanger e Open the gas feed valve 2N
16. PARAMETER P20 CENTRAL HEATING MAXIMUM SET POINT This parameter is used to set the central heating maximum user set point To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 5 Use and buttons D H W temperature setting ED to modify the value of the parameter within the prescribed limits displayed in Celsius degrees min 40 C max 90 C 6 Press mode selection button to confirm and to render the new parameter operative 7 To exit from the parameters menu press simultaneously buttons 5 z yo A 1 and Wy 1 f PARAMETER P21 D H W MAXIMUM SET POINT This parameter is used to set the D H W maximum user set point To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 5 Use and buttons D H W temperature setting to modify the value of the parameter within the prescribed limits displayed in Celsius degrees min 45 C max 75 l 6 Press mode selection button to confirm and to render the new parameter operative 7 To exit from the parameters menu press simultaneously 2 and buttons PARAMETER P22 AT SET POINT T FLOW T RETURN w modulating pump and return temperature sensor connected only This parameter
17. Un plug the ignition electrode and flame detection wires from the ignition control unit Unscrew the ring nut at the bottom of the room sealed chamber and remove the gas valve Unscrew the nuts securing the burner unit consisting of a fan manifold and burner to the primary heat exchanger Remove the burner unit paying particular attention not to remove the ceramic fibre protection from the bottom of the heat exchanger Check that the burner is not affected by deposits scaling or excessive oxidation Check that all the holes in the burner are free Clean the electrodes carefully without altering their positions with respect to the burner Clean the burner cylinder using a non metal brush and without damaging the ceramic fibre Check the integrity of the washer on the cover of the burner Clean the heat exchanger see fig 2 using a household detergent for stainless steel distributing the product on the spirals of the exchanger using a brush Do not wet the ceramic fibre coating Wait a few minutes then remove the deposits using a non metal brush Then remove the residues under running water Remove the pipe clip remove the condensate drainpipe and clean under running water Unscrew the joint to the condensate trap remove the trap and wash under running water With the cleaning completed re assemble the components following the above procedure in reverse order Finally check the boiler to make sure that all g
18. 41 CONTENTS 6 Maintenance authorised personnel 6 1 General warnings pag 6 2 Boiler inspection 6 3 Accessing the boiler 6 4 Draining the central heating and domestic hot water system 6 5 Maintenance operations 6 6 Wiring diagrams 6 7 Electrical connections Option 6 8 Troubleshooting 6 9 Function codes 6 10 Parts list 42 42 43 44 45 52 53 55 56 57 1 GENERAL INFORMATION GENERAL INFORMATION 1 1 General warnings A A A P BP b bb Professionally qualified personnel in accordance with current laws and standards and in line with the manufacturer s instructions must install the appliance With Professionally qualified personnel is intended a personnel with technical knowledge in the field of installation and maintenance of components for central heating and domestic hot water production systems for domestic and industrial use The appliance must be used solely for the purpose for which it has been designed and manufactured central heating and domestic hot water production Any other use is deemed as improper and as such dangerous Under no circumstances will the manufacturer be held responsible for damage or injury to persons or animals caused by errors in the installation and or use of the appliance or through non compliance with current local and national standards and or the manufacturer s instructions The installation operation and maintenance manual forms an integral and essential pa
19. To exit from the parameters menu press simultaneously buttons R PARAMETER P04 HEATING OUTPUT RISING TIME This parameter is used to set the time the boiler takes to reach the maximum power set during the starting up To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu Stops 1 4 5 Use and buttons D H W temperature setting Tm to modify the value of the parameter 00 0 seconds disabled 01 50 seconds default 02 100 seconds 03 200 seconds 04 400 seconds 6 Press mode selection button to confirm and to render the new parameter operative T To exit from the parameters menu press simultaneously and B buttons PARAMETER P05 WATER HAMMER PREVENTION FUNCTION Activating this function the D H W contact is delayed for 2 seconds To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 5 Use and buttons D H W temperature setting to modify the value of the parameter 00 Off 01 2 On 6 Press mode selection button to confirm and to render the new parameter operative T To exit from the parameters menu press simultaneously buttons 32
20. and buttons D H W temperature setting to modify the value of the parameter 00 Natural Gas 01 LPG 02 G25 6 Press mode selection button to confirm and to render the new parameter operative ro 3 i I 7 To exit from the parameters menu press simultaneously 2 and buttons 31 REGULATION INSTRUCTIONS PARAMETER SETS THE CENTRAL HEATING TEMPERATURE To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 5 Use and buttons D H W temperature setting to modify the value of the parameter 00 standard 30 80 C 01 reduced 25 45 C for floor heating to confirm and to render the new 6 Press mode selection button 1 parameter operative 7
21. follows 2 80 125 x 90 0 8 2 80 125 x 45 bend 0 5 N B USE ONLY RADIANT TYPE APPROVED FLUE SYSTEMS FOR DISCHARGING EXHAUST GASES AND DRAWING COMBUSTION AIR 313 97 20 INSTALLATION INSTRUCTIONS Flue type kit H Horizontal twin pipe flue kit 80 80 060 60 in polypropylene adjustable through 360 The dual pipe system discharges exhaust fumes into a chimney and draws air from atmosphere Suitable for condensing boilers only Discharges exhaust gases and draws combustion air through two separate 80 ducts MAXIMUM FLUE LENGTH 080 80 50 m 060 60 30 m The maximum flue length linear equivalent is obtained by summing the length of linear pipe and the equivalent lengths of each bend fitted The inear equivalent is intended as being the total length of the duct exhaust discharge air intake from the connection with the combustion chamber of the appliance excluding the first bend The addition of a bend has the effect of increasing the linear equivalent length of the duct as follows 280 x 90 bend 1 5 280 x 45 bend 1 2 260 x 90 bend 1 8 m 260 x 45 bend 1 5 m N B USE ONLY RADIANT TYPE APPROVED FLUE SYSTEMS FOR DISCHARGING EXHAUST GASES AND DRAWING COMBUSTION AIR
22. temperature Te taking into consideration the house insulation degree The values of the flow temperature Tm refer to standard 30 80 appliances or 25 45 C for under floor heating systems The type of appliance can be set using parameter To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 and select parameter P16 5 Use and buttons D H W temperature setting to modify the value of the parameter within the range of setting from 00 to 30 The value corresponds to the graph curves in figure n 1 confirm and to render 6 Press mode selection button the new parameter operative 7 To exit from the parameters menu press simultaneously 7 and R buttons 45 MAX 80 75 70 35 65 60 55 50 30 45 40 35 25 MIN 30 Fig 1 9 20 Te C 36 N a2 bw 00 8 5 SY 7 IN S Z30y 2 Y
23. 19 20 INSTALLATION INSTRUCTIONS 2 4 Water circuit LEGEND poa mi on A N N NO O O ON ODO SAFETY THERMO FUSE MANUAL AIR VENT VALVE HEATING SENSOR HEATING SAFETY THERMOSTAT PREMIX BURNER UNIT GAS MANIFOLD BURNER PRIMARY CONDENSING HEAT EXCHANGER EXPANSION VESSEL FAN ELECTRONIC GAS VALVE CONDENSATE TRAP AUTOMATIC AIR VENT VALVE PUMP SYSTEM DRAIN VALVE 3 BAR PRESSURE RELIEF VALVE HTG CIRCUIT IGNITION ELECTRODE IONISATION ELECTRODE VENTURI 3 WAY VALVE WATER PRESSURE SWITCH WATER PRESSURE GAUGE FILLING TAP REMOTO LCD EXTERNAL SENSOR DIANCE HEATING SYSTEM COLD WATER TEMPERATURE SENSOR Dp DHW HOT WATER STORAGE CYLINDER DHW code 31368LA SUPPLIED WITH THE BOILER REMOTE DHW CYLINDER code 20045LA FILLING LOOP NOTE THERE IS A STRAINER ON THE HEATING CIRCUIT THE INSTALLATION OF AN ADDITIONAL STRAINER ON THE SECONDARY CIRCUIT IS RECOMMENDED KEY CONTROL THERMOMETER NON RETURN VALVE MEMBRANE EXPANSION TANK SEALED CHAMBER n 4 bar SAFETY VALVE
24. Disconnect the connecting wire Unscrew the fixing screws and remove the thermostat Replace the thermostat and re assemble the components following the above procedure in reverse order Switch on the electricity water and gas supplies and restart the appliance Heating sensor see fig 1 Un Plug the connecting wire Replace the sensor and re assemble the components following the above procedure in reverse order Switch on the electricity water and gas supplies open the shut off valves and fill the central heating circuit Then restart the appliance remembering to discharge any air that may be trapped in the system Gas valve see fig 2 Disconnect the joints and remove the gas pipe connecting the gas valve to the venturi Disconnect the gas feed pipe and valve ring nut at the bottom of the room sealed chamber Remove the flanged elbow coupling of the existing valve and fit it to the new valve also fit a new cork washer Replace the gas valve and re assemble the components following the above procedure in reverse order Replace all the gas seals Fully tighten the gas connections Switch on the electricity water and gas supplies and check for any gas leaks using a soapy solution or leak detector spray heating sensor A A safety thermostat gas valve 47 MAINTENANCE INSTRUCTIONS Electric fan see fig 1 Remove and dismantle the enti
25. TECHNICAL CHARACTERISTCS 2 TECHNICAL CHARACTERISTICS 2 1 Technical data Model RK 34 B CE Certification n 0694C07385 Appliance Type 2 Appliance Category B23p B33 C13 C33 C43 C53 C63 C83 C93 Heat Input max kW 34 Heat Input min kW 10 Heat Output max 50 30 kW 36 24 Efficiency 100 full load 50 30 106 6 Efficiency 30 partial load 50 30 107 9 Heat Output max 80 60 C Non condensing kW 9 73 Heat Output min 80 60 C Non condensing kW 33 42 Efficiency 100 full load 80 60 926 98 3 Efficiency 30 partial load 80 60 96 100 7 GAS DIRECTIVE 92 42 ECC Efficiency marking stars 4 NOx class 5 Central Heating circuit Central Heating water temperature setting min max C 30 80 25 45 Max heating working temperature C 80 Expansion vessel capacity litres 7 Max working pressure heating bar 3 Min working pressure heating bar 0 3 Domestic Hot Water circuit D H W temperature setting min max C 35 60 Max Hot water working pressure bar 6 Min Hot water working pressure bar 0 5 Dimensions Boiler casing size Width mm 415 Height mm 730 Depth mm 320 Weight net kg 42 Hydraulic connections Central Heating Flow connection ya Central heating Return connection ya Central heating flow connection to DHW storage cylind
26. The manufacturer will not be held liable for any damage or injury caused as a result of an ineffective or non existent earth system The domestic power supply must be checked by a qualified electrician to ensure that it can support the maximum power absorption of the appliance as indicated on the appliance data plate positioned on the inside of the front casing In particular make sure that the cable ratings are adequate for the power absorbed Do not use adapters multiple sockets or extension leads to connect the appliance to the mains power supply The appliance must be connected to the mains power supply through an appropriate electrical isolator in accordance with the current wiring regulations When using an electrical appliance a few fundamental rules must be observed Do not touch the appliance with damp or wet parts of the body or when barefoot Do not pull on the electric wires Do not leave the appliance exposed to atmospheric elements rain sun etc unless these conditions have been expressly provided for Do not allow the appliance to be used by children or anyone unfamiliar with its operation The user must not replace the power supply cable If the cable is damaged in any way switch off the appliance and have the cable replaced by a suitably qualified electrician When the appliance is no longer required for use switch off the main power supply to switch all electrical components off circulating pump burner etc
27. Unpacking m The materials cardboard used for packing the appliance are fully recyclable It is recommended that the packing material is only removed prior to installing the boiler The manufacturer will not be held responsible for damage caused by incorrect storage of the product m Packing materials plastic bags polystyrene nails etc must not be left within reach of children in that these items represent a potential hazard A Place the packed appliance on the floor see fig 1 making sure that the up arrow is facing down Remove the staples and open out the four flaps of the box B Rotate the boiler 90 while manually supporting it from underneath C Lift the box and remove the protections Lift the boiler by grasping the rear part and proceed with the installation STORAGE amp HANDLING Please note that prior to installation the Radiant boilers should be stored in the horizontal position with no more than three boilers to a stack Ensure that the boilers are stored in dry conditions and be aware that the carton is a tow man lift 13 INSTALLATION INSTRUCTIONS 3 4 Installing the boiler The appliance must be installed exclusively on a flat vertical solid wall capable of supporting its weight The boiler should be fitted within the building unless otherwise protected by a suitable enclosure i e garage or outhouse the boiler may be fitted inside a
28. brings the hot water temperature of the storage cylinder up to 60 C whatever revention Function temperature value is set for hot water The function is automatically enabled at the first ignition of the boiler The boiler operates a series of cycles for a period of 5 minutes Each cycle consists in the Sveter b rdi pump is enabled for 40 seconds and then disabled for 20 seconds The starting of F33 f eed the boiler is only allowed at the end of this function unction i In case of an open contact of the water pressure switch this function can be enabled during the normal boiler operation Once the contact is closed a purging cycle of 2 minutes is performed 56 MAINTENANCE INSTRUCTIONS 6 10 Parts List Main components CODICE DESCRIZIONE 25 00196 WATER PRESSURE GAUGE 25 00283 EXPANSION VESSEL 71 25 00299 PUMP UPSO 15 60 CIAO AOKR 27044LA CONDENSATE TRAP 30 00043 CONDENSING EXCHANGER 5 1 CBD COMPLETE 36076LA ELECTRONIC GAS VALVE COND 1 2 M VK4115V1378B 36068LA VENTURI MANIFOLD 37032LA FAN 40 00077 PRINTED CIRCUIT BOARD DIGITECH CS 59015LA WATER PRESSURE SWITCH 31368LA D H W HEATING SENSOR CABLE 8 m 73516LA HTG CLIP SENSOR FOR PIPE 17 18 mm BLUE 73517LA THERMO FUSE 102 C RED 86006LA SAFETY THERMOSTAT 95 C 880231 IGNITION TRANSFORMER 96005LA SAFETY VALVE SS M 1 2 96031LA 3 WAY VA
29. cupboard If the boiler is sited in an unheated enclosure then it is recommended to leave the power on to give frost protection frost protection is active even with on off switch in off position If the boiler is installed in a room containing a bath or shower reference must be made to the relevant requirements In order to allow access to the interior of the boiler for maintenance purposes it is important that the necessary clearances indicated in figure 1 are respected To make the installation easier the boiler is supplied with a template to enable the pipe connections to be positioned prior to fixing the appliance to the wall To install the boiler proceed as follows see fig 2 a Use a spirit level of not less than 25 mm long to mark a horizontal line on the wall where the boiler is to be fitted Position the top of the template along the line drawn with the level respecting the distances indicated Then mark the centres of the positions of the two wall plugs or anchors Finally mark the positions of the water and gas pipes Remove the template and install the domestic hot and cold water pipes the gas supply pipe and the central heating pipes using the fittings supplied with the boiler Fix the boiler to the wall using the wall plugs or bracket and connect the pipes
30. gas supply to the boiler Remove and dismantle the entire burner unit see 6 6 1 Cleaning the condensation module and burner unit Remove the gas valve Remove the spring and then the condensate drainpipe Remove the fixing springs and then the delivery and return pipes Remove the support brackets and pull out the heat exchanger Remove the regulation sensor from the old heat exchanger and refit it together with the two condensate drainpipes to the new one Replace the heat exchanger and re assemble the components following the above procedure in reverse order Switch on the electricity water and gas supplies and fill the system with water Check for any leaks from the joints and bleed off any air from the circuit Restart the boiler making sure that there are no gas leaks gie es flue connection exchanger ceramic fibre washer steinless steel t Fig 1 pipe coil 50 MAINTENANCE INSTRUCTIONS Modulation circuit board see fig 1 2 Open the control panel see 6 3 Accessing the boiler e Disconnect all the connectors unscrew the four fixing screws and remove the modulation circuit board modulation circuit board e Replace the circuit board and re asse
31. is used to set the delta value between the flow and the return temperature To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 5 Use and buttons D H W temperature setting ED to modify the value of the parameter within the prescribed limits displayed in Celsius degrees 00 Disabled min 10 C max 40 C 6 Press mode selection button to confirm and to render the new parameter operative _ 7 To exit from the parameters menu press simultaneously 2 and buttons 38 REGULATION INSTRUCTIONS PARAMETER P23 MODULATING PUMP MINIMUM SPEED w modulating pump and return temperature sensor connected only This parameter is used to set the minimum modulating pump speed during a heating mode request To enter the param
32. the pump is free then re tighten it when water starts to flow out fig 1 Open the air vents on the radiators and monitor the air evacuation process When water starts to flow out of the radiators close the air vents If after the above operations there is a pressure reduction re open the filling tap R until the pressure gauge reaches the middle part of the green zone corresponding to 1 2 bar fig 4 AIR VENT VALVE PLUG AIR VENT VALVE A PUMP PLUG 1 5 bar 1 2 bar 0 5 bar 24 INSTALLATION INSTRUCTIONS 4 3 Filling the condensate trap The condensation trap must be pre filled when starting the boiler for the first time in order to prevent flue gases from flowing back through the trap The filling operation is carried out as follows see fig 1 e Remove plug T and fill the trap S three quarters full with water e Replace plug T and connect the drainpipe P into a condensate discharge trap conforming
33. 0 Hz and that the live neutral and earth wires are connected properly Also make sure that the earth connection is sound Check the seals on the gas supply pipe from the mains and make sure that the meter does not register any flow of gas Turn the gas supply on and purge Test for gas soundness Check that the gas supply is correctly sized for the flow rate required by the boiler and that it is fitted with all the safety and control devices as lay down by current regulations Check that the supply of combustion air and exhaust and condensate discharge systems are functioning correctly and in line with current law and national and local standards Check for the presence of permanent aeration ventilation openings as required by current law for the type of appliances installed Check that the flue duct and its connections to the terminal chimney comply with the requirements of current law and national and local standards for the type of appliances installed Make sure that any central heating shut off valves are open Check that the condensate drain system including outside the boiler flue system condensate collection devices allows the condensate to flow freely to the collection devices If the condensate is discharged to the domestic drainage system install an inspection trap in the condensate system prior to it entering the drainage system to interrupt the continuity between the two systems Check that there are no exhaust fumes di
34. 28 kW 04 34 kW 05 50 kW 06 100 kW a to confirm and to render the new 6 Press mode selection button C parameter operative _ 7 To exit from the parameters menu press simultaneously and buttons PARAMETER P01 SELECTS THE TYPE OF BOILER To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 5 Use and O buttons D H W temperature setting ED to modify the value of the parameter 00 instantaneous boiler w dual circuit exchanger 01 instantaneous boiler w secondary d h w plate exchanger 02 storage cylinder boiler 03 boiler with Comfort storage cylinder 7 C 04 Comfort instantaneous boiler w secondary d h w plate exchanger and preheating function of plate heat exchanger 05 only heating boiler 3 to confirm and to render the new 6 Press mode selection button parameter operative 7 To exit from the parameters menu press simultaneously W and buttons PARAMETER P02 SELECTS THE TYPE OF GAS SUPPLY To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 5 Use
35. 30 G31 40 MAINTENANCE INSTRUCTIONS 5 6 Converting the boiler to a different gas type A The conversion of a boiler from burning natural gas to LPG or vice versa must be carried out exclusively by professionally qualified personnel registered in accordance with current legislation and authorized by Radiant Bruciatori Spa A Check that the gas supply pipe is suitable for the new fuel type Conversion is performed as follows e select the new gas type by changing parameter P02 on the control panel see 5 3 Setting the parameters e Proceed with the adjustment of the CO2 combustion value see 4 6 Value adjustment 41 MAINTENANCE INSTRUCTIONS 6 MAINTENANCE authorised personnel 6 1 General Warnings A All maintenance operations must be carried out by professionally qualified personnel authorised by Radiant Bruciatori Spa The frequency of boiler maintenance must comply with current law and nevertheless should be carried out once a year A In order to guarantee the long life of the appliance and in accordance with the current gas safety regulations only use original spare parts Before carrying out any type of maintenance operation disconnect the appliance from the mains electricity supply and close the gas valve 6 2 Boiler inspection In order to ensure that the boiler operates efficiently and safely it is recommended that the appliance is inspected by a suitably competent technician at le
36. EMOTE D H W CYLINDER RETURN 03 4 REMOTE D H W CYLINDER FLOW 03 4 G GAS 01 2 sc CONDENSATE DRAIN 025 TECHNICAL CHARACTERISTCS Storage tank 150 It G 3 4 G 3 4 _ 16 STAINSTELL di A IA pa A PIPE dus BRACKET _ g iL CA uj CD 2 e BRACKET 1 i en In e G 3 4 kd N P polyurethane foam insulation X X X SECTION LahA UN S zB m 50 30 14 NL 2 Dm D De MODEL U M 150 Storage cylinder capacity Lt 150 Storage cylinder exchange area mq 1 Circulation pump Ih 2860 Heat Input max kW 53 Hot water flow rate Dt 30 Lth 1149 Externa diameter De mm 510 Internal diameter Di mm 450 H mm 440 H1 mm 334 H2 mm 774 H3 mm 1113 H4 mm 175 H5 mm 633 H6 mm 162 A mm 3 4 B mm 3 4 C mm 3 4 D mm 1 2 E mm 1 2 Max heating working pressure bar 12 Max Hot water working pressure bar 6 Max te
37. LVE ALCOW 57 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 THE TECHNICAL DATA AND MEASUREMENTS ARE PROVIDED FOR INFORMATION PURPOSES ONLY AND ARE NOT BINDING THE COMPANY RESERVES THE RIGHT TO APPLY VARIATIONS WITHOUT PRIOR NOTIFICATION NEITHER WILL THE COMPANY BE HELD RESPONSIBLE FOR ANY INACCURACIES IN THIS HANDBOOK DERIVING FROM PRINTING OR TRANSLATION ERRORS E OEALL RIGHTS RESERVED NO PART OF THIS DOCUMENT MAY BE REPRODUCED MEMORISED IN ANY FILING SYSTEMS OR TRANSMITTED IN ANY FORM WHATSOEVER INCLUDING ELECTRONIC MECHANICAL PHOTOCOPIES RECORDINGS OR ANY OTHER MEANS WITHOUT THE COMPANY S PRIOR WRITTEN APPROVAL RADIANT Heating technology since 1959
38. MALFUNCTION ee CHECK THE POWER e ELECTRIC POWER SUPPLY NETWORK THE ERROR DISAPPEARS E40 ELECTRIC POWER SUPPLY pirated ANGES a AUTOMATICALLY WHEN Automatic THE POWER SUPPLY IS gt BACK WITHIN THE REQUIRED RANGE 6 9 Function codes Code Function Description Flue test function Pressing button for 7 seconds the Flue test function is enabled Pressing the FO7 active boiler Off button the function is disabled Chimney Sweeper The Flue test function operates the boiler at the maximum heating pressure for 15 minutes without any modulation The function is useful for combustion testing Frost Protection The function is automatically enabled when the heating sensor detects a F08 function temperature of 5 C The boiler operates at minimum gas pressure with the diverter Central heating valve in the winter position The function is disabled when the temperature circuit detected by the sensor reaches 30 C The function is automatically enabled when the D H W sensor detects a Frost Protection temperature of 4 C The boiler operates at minimum gas pressure with the diverter F09 function valve in the summer position The function is disabled when the temperature D H W circuit detected by the sensor is 8 C in the D H W circuit or 30 C in the central heating circuit Legionella Function active for storage boilers only It comes into operation every 7 days F28 It
39. N RESISTANCE REPLACE PART E05 HEATING SENSOR VALUE 10 kOhms AT 25 C Automatic q SENSOR CABLE DISCONNECTED 4 RWE SUPPLY CONNECTION r SENSOR MALFUNCTION OR OUT OF CALIBRATION r REPLACE PART D H W SENSOR RESISTANCE VALUE 10 kOhms E06 CYLINDER AT 25 C S CHECK THE POWER eee 5 SENSOR CABLE SUPPLY CONNECTION DISCONNECTED OR WET t SENSOR MALFUNCTION OR OUT OF CALIBRATION t REPLACE PART RESISTANCE VALUE 10 kOhms RETURN SENSOR Automatic E15 AT 25 C U CHECK THE POWER U SENSOR CABLE SUPPLY CONNECTION DISCONNECTED OR WET V BURNT V REPLACE PART E16 FAN W POWER SUPPLY CABLE W REPLACE PART Automatic MALFUNCTION 55 MAINTENANCE INSTRUCTIONS pisi PROBLEM POSSIBLE CAUSE REMEDY RESET X PRIMARY OR SECONDARY HEAT EXCHANGER X CLEAN OR REPLACE PART INADEQUATE CIRCULATION Automatic E18 OBSTRUCTED y CLEAN OR REPLACE PART y PUMP MALFUNCTION OR PUMP IMPELLER DIRTY 2 MICROPROCESSOR 2 THE PCB RESETS ENERAL PCB lem ccna AUTOMATICALLY THE Automatic SIGNAL ERROR PARAMETER PROGRAMMING aa LOSS OF Manual Reset E22 REQUEST MICROPROCESSOR aa EA ME SNC Switch off the power MEMORY supply bb IONISATION ELECTRODE MALFUNCTION i Manual Reset E35 FLAME DETECTION cc IONISATION ELECTRODE 5 MALFUNCTION CABLE MALFUNCTION z press the dd PRINTED CIRCUIT BOARD dd REPLACE PART Reset button
40. NSTRUCTIONS PARAMETER PARAMETER 2 OPERATION VALUE FUNCTION 00 Disabled P18 Sets the 0 10V industrial bus piloting 00 02 01 Flow temperature control mode 02 Burner output control mode P19 Central heating minimum set point 20 40 Displayed in C P20 Central heating maximum set point 40 90 Displayed in C P21 D H W maximum set point 45 75 Displayed in C AT set point T flow T return DN P22 w modulating pump and return 40 0 temperature sensor connected only Modulating pump minimum speed P23 w modulating pump and return 50 70 Displayed in percentage temperature sensor connected only Modulating pump maximum speed P24 w modulating pump and return 70 100 Displayed in percentage temperature sensor connected only AT timing T flow T return P25 w modulating pump and return 20 100 temperature sensor connected only Displayed in seconds NOTES P04 This parameter allows to modify the time the boiler takes in heating mode to reach the maximum power set P10 P11 P12 These parameters are automatically set according to the output value set in Parameter POO P13 The maximum boiler power in heating mode can be set according to the paragraph 5 5 Heating output Kw Fan frequency Hz diagram 29 REGULATION INSTRUCTIONS 5 2 Accessing the parameters menu To modify the preset values of the parameters reported in the prev
41. STRUCTIONS 6 4 Draining the central heating system If the need arises to drain the system this can be done as follows e Switch the system to WINTER mode and ignite the boiler e Switch off the power supply to the boiler e Wait for the boiler to cool down e Connect a hosepipe to the system drain point and locate the other end of the hose in a suitable drainage system e Open the system drain valve see fig 1 e Open the air vents on the radiators starting with the highest and moving down the system to the lowest e When the system has been drained close the radiator breather valves and the drain valve 44 MAINTENANCE INSTRUCTIONS 6 5 Maintenance operations A Before carrying out any cleaning or part replacement operations ALWAYS turn off the ELECTRICITY WATER and GAS supplies to the boiler Radiant Bruciatori S p a will not be held responsible for damage to any of the boiler s components caused by non compliance with this instruction For all maintenance operations requiring removal of the boiler casing par Cleaning refer to the procedures described in agraph 6 3 Accessing the boiler the main exchanger module and combustion unit see fig 1 Disconnect the electrical connections of the electric fan Disconnect the joint and remove the pipe linking the gas valve to the injector unit venturi Disconnect the joint and remove the gas feed pipe from the gas valve
42. TION INFORMATION ju X Jf 2 SOLAR PANEL TEMPERATURE DISPLAY d6 ee 4 SOLAR PUMP ON 6 8 Cx 5 STORAGE CYLINDER LOW LEVEL TEMPERATURE VISUALIZATION d7 Hor 19 STORAGE CYLINDER HIGH LEVEL 2 9 TEMPERATURE VISUALIZATION 8 DEO mr ES 6 OUTDOOR TEMPERATURE SENSOR 1 i H Yop a g 10 CONNECTED OUTDOOR SENSOR TEMPERATURE DISPLAY d2 1 7 TEMPERATURE SET POINT PARAMETER 2 SERVICE e RESET VALUE INFORMATION 2 hue 8 OPEN THERM COMPONENTS 15 VA LM 11 COMMUNICATION CONNECTED REMOTE CONTROL ZONE MANAGEMENT CONTROL 14 13 12 BOX 9 WATER LOW PRESSURE INFORMATION 10 FLAME PRESENCE ON 3 POWER STEPS 11 D H W MODE ENABLED 12 RESETTABLE ERROR DISPLAY 13 OFF MODE 14 NOT RESETTABLE ERROR DISPLAY 15 HEATING MODE ENABLED lt 33 gt 33 lt 66 gt 66 lt 100 10 During the boiler operation the display can show 3 7 different power levels according to the flame modulation g D of the boiler see flame icon power images g X 2 8 INFO Menu display Press the INFO Button to display the boiler data Once pressed the parameter number will appear on the left side of the display and the associated parameter value will appear on the centre of the display Use 09 and buttons of W Heating Temperature setting to scroll the list of availab
43. any damage or injury caused as a result of an inefficient or inexistent earth system The boiler functions with an alternating current of 230 V and 50 Hz and has maximum power absorption of 180 W The appliance should be protected by a 3 A fuse The connection to the mains electricity supply must be via a single pole switch with at least 3 millimetres gap between open contacts mounted upstream of the appliance Make sure that the positions of the live and neutral wires correspond to the wiring diagram Ensure the domestic power supply is checked by a qualified electrician to ensure that it can support the maximum power absorption of the appliance as indicated on the rating plate In particular make sure that the cable sizes are adequate for the power absorbed by the appliance The power supply cable must not be replaced by the user if the cable is damaged in any way switch off the appliance and have the cable replaced by a suitably qualified electrician When replacing the power supply cable only use cables of the same characteristics HO5 VV F 3x1 with maximum external 8 mm When using an electrical appliance a few fundamental rules must be observed Do not touch the appliance with damp or wet parts of the body or when barefoot Do not pull on the electric wires Do not leave the appliance exposed to atmospheric elements rain sun etc unless these conditions have been expressly provided for Do not allow the appliance to be us
44. as and exhaust joints are tight burner primary heat exchanger premix burner unit ionisation electrode ignition electrode primary heat exchanger flue connection chamber Fig 2 stainless steel pipe ceramic fibre washer 45 MAINTENANCE INSTRUCTIONS Part replacement Ignition and or flame detection electrodes see fig 2 e Un Plug the electrode wires TuS ivi ATIF ignition e Slacken the fixing screws electrode e Remove the electrodes When fitting the new ones check that the seals are not damaged Replace if necessary e Reconnect the wires re assemble the components following the above procedure in reverse order e Switch on the power supply and restart the appliance A If the boiler does not restart check the positions of the electrodes especially the ignition electrode Make sure that original position and distances between the electrodes and the burner are respected to avoid a boiler malfunction ionisation electrode POSITIONING THE IGNITION ELECTRODE AND THE IONISATION ELECTRODE 46 MAINTENANCE INSTRUCTIONS Safety thermostat see fig 1
45. ast once a year The following operations should be carried out annually m Check the condition of the gas seals and replace where necessary m Check the condition of the water seals and replace where necessary m Visually inspect the condition of the combustion chamber and flame m When required check that the combustion is correctly regulated and if necessary proceed in line with section Commissioning the boiler m Remove and clean any oxidation from the burner m Check that the seal of the room sealed chamber is undamaged and positioned correctly m Check the primary heat exchanger and clean if necessary m Check the maximum and minimum modulation pressures and the modulation itself m Check the condition and operation of the ignition and gas safety systems If necessary remove and clean the scaling from the ignition and flame detection electrodes paying particular attention to replace them at the correct distance from the burner m Check the heating safety systems temperature limit safety thermostat pressure limit safety device m Check the pre fill pressure of the expansion vessel if mounted m For safety reasons periodically check the integrity and operation of the flue gas exhaust system m Check that the connection to the mains electricity supply complies with that reported in the boiler s instruction manual m Check the electrical connections inside the control panel m Check the D H W flow rate if produced and temperatu
46. ating mode request see paragraph 5 5 Heating output KW Fan frequency Hz diagram To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 f N 5 Use and buttons D H W temperature setting e to modify the value of the parameter within the prescribed limits displayed in Hertz min Value set in parameter P12 max 203 Hz The default value is set according to the output value set in Parameter POO M 6 Press mode selection button j to confirm and to render the new parameter operative gn 7 To exit from the parameters menu press simultaneously and E buttons PARAMETER P14 SETS THE IGNITION SEQUENCE This parameter is used to set the fan speed during the starting up of the boiler To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 5 Use and buttons D H W temperature setting ED to modify the value of the parameter within the prescribed limits displayed in Hertz min Value set in parameter P10 max 203 Hz The default value is set according to the output value set in Parameter POO 6 Press mode selection button lt to confirm and to render the new parameter operative 4 7 exit from the parameters menu press simultaneously 2 and
47. ctions correctly and efficiently the flue connection between the boiler and the flue terminal must be made using original components specifically designed for condensing boilers A Traditional flue components cannot be used for conveying exhaust fumes from condensing boilers nor vice versa e In order to make the choice of which flue to install easier in addition to being drawn differently the above mentioned system is also differentiated in the flue catalogue and general price list by the insertion of the words in polypropylene e t is recommended that o for the exhaust discharge duct the entire length of the flue slopes upwards towards the exterior in order to facilitate the flow of condensate back to the combustion chamber which has been specifically designed to collect and drain the acidic condensate o forthe air intake the entire length of the duct slopes upwards towards the boiler to prevent the entry of rainwater dust or foreign bodies into the pipe o in case of a vertical flue pipe installation a condensate trap is fitted at the base of the flue installation and connected into drainage system see fig 1 e n the case where a horizontal coaxial system is installed the FLUE DUCT coaxial te
48. ed by children or anyone unfamiliar with its operation 17 INSTALLATION INSTRUCTIONS Remote control connection Connect the power supply to the terminal board inside the control panel as follows a Switch off the power supply at the main switch b Remove the front case panel of the boiler c Slacken the screws and remove plate A see fig 1 d With the plate removed connect the wires to the terminal board B as follows e Connect the earth wire normally coloured green yellow to the terminal marked with the earth symbol ze e Connect the neutral wire normally coloured blue to the terminal marked with the letter N e Connect the live wire normally coloured brown to the terminal marked with the letter L e Terminals identified by the letters Ta Room thermostat Se Outside temperature sensor When the wires have been connected place plate A back to position 7 N Ny i Ola bl f b 471 02 V I lt 9 M o i H MT ellow green 1 214 ow gree 1 brown i 18 INSTALLATION INSTRUCTIONS 3 8 Flue connections A In order to ensure that the appliance fun
49. er ya Central heating return connection from DHW storage cylinder ya Gas connection ve Flue systems Horizontal Concentric flue system mm 125 80 Max Flue length m 8 Twin pipe flue system mm 80 80 Max Flue length from terminal to terminal m 50 Twin pipe flue system mm 60 60 Max Flue length from terminal to terminal m 30 Vertical Concentric flue system 125 80 Max Flue length m 8 Gas Supply Natural gas G 20 Inlet pressure mbar 20 Gas consumption m h 3 6 Butane G30 Inlet pressure mbar 30 Gas consumption kg h 2 68 Propane G31 Inlet pressure mbar 37 Gas consumption kg h 2 64 Electrical specifications Power supply V Hz 230 50 Electrical power consumption W 138 Electrical protection IP X4D TECHNICAL CHARACTERISTCS 2 2 Dimensions ES 730 RCR G Lond 50 95 53 e 415 67 95 140 1B rj A Ne P cts DR d c 1 1 RoR F RCF HR 320 LEGEND HR HEATING RETURN 03 4 HEATING FLOW 03 4 RCR R
50. erature value to the remote control only without using it for the modulation The communication between the printed circuit board and the remote control happens separately from the boiler functioning mode selected and once the connection has been established the user interface on board is disabled and displayed by the symbol 189 53 MAINTENANCE INSTRUCTIONS Wiring diagrams Key Storage cylinder pre heating TP timer option only if parameter POO 2 3 or 4 CT Telephone control PM Modulating pump SR Heating sensor SRB Remote boiler Lock Out indicator Option Zone Valves Management PCB if Remote control is installed SVZ TAZ 1 ZONE 1 Room thermostat TAZ 2 ZONE 2 Room thermostat
51. eters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 5 Use and buttons D H W temperature setting modify the value of the parameter within the prescribed limits displayed percentage min 50 max 70 6 Press mode selection button 1 to confirm to render the new parameter operative 7 To exit from the parameters menu press simultaneously buttons PARAMETER P24 MODULATING PUMP MAXIMUM SPEED w modulating pump and return temperature sensor connected only This parameter is used to set the maximum modulating pump speed during a heating mode request To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu slope 1 4 5 Use and buttons D H W temperature setting 4 3 to modify the value of the parameter within the prescribed limits displayed in percentage min 70 96 max 100 6 Press mode selection button q confirm and to render the new parameter operative Gy AOE 7 To exit from the parameters menu press simultaneously W and buttons PARAMETER P25 AT TIMING T FLOW T RETURN w modulating pump and return temperature sensor connected only This parameter is used to set the timing response of the modulating pump To enter the parameters menu
52. follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 5 Use and buttons D H W temperature setting to modify the value of the parameter within the prescribed limits displayed in seconds min 20 max 100 to confirm and to render the new 6 Press mode selection button 1 parameter operative T To exit from the parameters menu press simultaneously buttons 39 REGULATION INSTRUCTIONS 5 4 Gas data Technical data tables CO Values Gas type CO Natural gas G20 9 18 Liquid Butan Gas G 30 10 3 Liquid Propane Gas G 31 10 3 Frequency Gas type Minimum Central Heating Hz Maximum Central Heating Hz Natural gas G20 55 164 Liquid Butan Gas G 30 52 155 Liquid Propane Gas G 31 52 155 Gas data table NATURAL GAS LIQUID BUTANE GAS LIQUID PROPANE G20 G30 GAS G31 Indice di Wobbe inferiore 15 C 1013 mbar 45 67 80 58 70 69 Pressione nominale di 20 30 37 alimentazione Consumi 15 C 1013 mbar 3 6 Consumi 15 C 1013 mbar 5 5 Heating Power kW Fan frequency Hz diagram Heating power Kw 0 10 20 30 40 50 60 70 80 90 00 10 120 130 140 150 160 170 Frequency Hz G P L G
53. ge to the D H W heat exchanger the mains water supply must not have a hardness rating of more than 17 5 Ck It is nevertheless advisable to check the properties of the water supply and install the appropriate treatment devices where necessary The cold water supply pressure at the inlet to the boiler must be between 0 5 and 6 bar In areas with higher water inlet pressure a pressure reducing valve must be fitted before the boiler The frequency of the heat exchanger coil cleaning depends on the hardness of the mains water supply and the presence of residual solids or impurities which are often present in the case of a new installation If the characteristics of the mains water supply are such that require it to be treated then the appropriate treatment devices must be installed while in the case of residues an in line filter should be sufficient All D H W circuits connections fittings etc should be fully in accordance with relevant standards and water supply regulations Central heating circuit In order to prevent scaling or deposits in the primary heat exchanger the mains supply water to the heating circuit must be treated according to the requirements of local standards This treatment is indispensable in the case where the circuit is frequently topped up or when the system is often either partially or fully drained The outlet connection of the boiler safety valve must be connected to a discharge trap The manufacturer wi
54. ious table open the parameter settings menu as follows T MO 1 Place mode selection button position visualized by symbol 2 Keep pressed and 7 buttons simultaneously and wait for symbol and P00 to appear on the display 3 Release buttons and 4 Use and buttons of heating temperature setting to select the parameter to modify 2307 50Hz Adjust the value of the parameter using the procedure described in the following pages 30 REGULATION INSTRUCTIONS 5 3 Setting the parameters PARAMETER P00 SELECTS THE MODEL OF BOILER To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 Ao e 5 buttons D H W temperature setting T to modify the value of the parameter 00 2 13 kW 01 2 18 KW 02 25 kW 03
55. l to confirm and to render the new parameter operative 03 R gt T To exit from the parameters menu press simultaneously 7 and buttons PARAMETER P19 CENTRAL HEATING MINIMUM SET POINT This parameter is used to set the central heating minimum user set point To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 a a 5 Use and buttons D H W temperature setting ED to modify the value of the parameter within the prescribed limits displayed in Celsius degrees min 20 C max 40 6 Press mode selection button to confirm and to render the new parameter operative IN 7 exit from the parameters menu press simultaneously 2 and buttons 37 REGULATION INSTRUCTIONS
56. le data Press the INFO button to exit the display mode The list of available display data is the following Parameter Icon Description 900 DHW sensor temperature d01 Outdoor sensor temperature d02 Kd Thermoregulation value d03 Fan speed d04 Low temperature circuit sensor only with Zone PCB connected d05 Heating return sensor temperature d06 Solar panel sensor temperature only with Solar connected d07 Solar storage cylinder temperature low level only with Solar connected dos Solar storage cylinder temperature high level only with Solar PCB connected 11 INSTALLATION INSTRUCTIONS 3 INSTALLATION authorised personnel 3 1 Reference standard Failure to install a gas appliance correctly and in accordance with the above norms could lead to prosecution It is in the interest of the installer and safety that the law is complied with The manufacturers instructions form an integral part of the installation and should be left with the appliance but do not over ride in anyway statutory obligations 3 2 Boiler room Installation requirements Please refer to local and national standards in force in the Country of destination of the product In particular the manufacturer recommends A The presence of threaded connections on the gas line require that the room in which the appliance is installed is ventilated by means of air intakes 12 INSTALLATION INSTRUCTIONS 3 3
57. ll not be held responsible for flooding caused by the operation of the safety valve in the case of system overpressure 15 INSTALLATION INSTRUCTIONS Condensate Drain The condensate drain flexible pipe supplied with the boiler conforming to UNI EN 677 standard must be connected to a proper condensate trap The condensate discharge into the drainage system is allowed providing a condensate trap siphon is installed Any condensate discharge pipe work external to the building or in an unheated part of it must be insulated to protect against frost Before switching the boiler On check the correct condensate discharge 3 6 Gas Connection The connection to the gas supply must be carried out by professionally qualified personnel in accordance with relevant standards A When connecting the boiler to the gas supply pipe only use appropriate washers and gas fittings The use of hemp Teflon tape and similar materials is not allowed Before installing the boiler check the following m The pipe work must have a section appropriate for the flow rates requested and the pipe lengths installed and must be fitted with all the safety and control devices provided for by current standards m The gas supply line must be a minimum of a 22 mm diameter pipe with an uninterrupted supply from meter to boiler and comply with current standards and regulations m Check the internal and external seals of the gas supply system m gas shut off val
58. mble the components following the above procedure in reverse order e Switch on the electricity water and gas supplies and regulate the boiler see 5 4 Gas data When replacing the modulation circuit board 2 a 4 its necessary set parameter according to 20 5 2 the boiler model see 5 3 Setting the Me parameters gt Fig 1 modulation circuit board Fig 2 51 MAINTENANCE INSTRUCTIONS 6 6 Wiring diagrams Key ER lonisation electrode EA Ignition electrode C Circulating pump VD Diverter valve VG Gas valve TRA Ignition transformer TF Thermo fuse 102 C TS Safety thermostat Pacq Water pressure switch SR Heating sensor SS D H W sensor EV Fan MP Terminal board SE Outdoor temperature sensor TA Room thermostat L Line N Neutral ne Black ce Blue ma Brown ar Orange gi Yellow bi White gr Grey m 085 BEDBBBH 5458560 a D
59. mperature C 99 TECHNICAL CHARACTERISTCS 2 3 Internal parts of the boiler 1 2 3 4 5 6 7 8 9 10 11 LEGEND 1 SAFETY THERMO FUSE 2 MANUAL AIR VENT VALVE 3 PRIMARY CONDENSING HEAT EXCHANGER 4 PREMIX BURNER UNIT GAS MANIFOLD BURNER 5 IONISATION ELECTRODE 6 HEATING SAFETY THERMOSTAT 7 HEATING SENSOR 8 FAN 9 CONDENSATE TRAP 10 PUMP WITH AIR VENT 11 3 BAR PRESSURE RELIEF VALVE HTG CIRCUIT 12 EXPANSION VESSEL 13 IGNITION ELECTRODE 14 IGNITION TRANSFORMER 15 VENTURI 16 ELECTRONIC GAS VALVE 17 3 WAY VALVE 18 WATER PRESSURE SWITCH 19 WATER PRESSURE GAUGE 20 FILLING TAP 12 13 14 15 16 17 18
60. nally qualified technical assistance only Any warranty repairs to the appliance must be carried out exclusively by the manufacturer s authorised service centre using original spare parts Non compliance with the above requirements may compromise the safety of the appliance and invalidate the warranty In order to guarantee the efficiency of the appliance and its correct operation it must be serviced regularly by professionally qualified personnel in line with the manufacturer s instructions When the appliance is no longer required for use any parts that may constitute potential sources of danger must be rendered harmless Only original accessories or optional extras including electrical parts must be used with the appliance Should there be a smell of gas present in the room where the appliance is installed DO NOT attempt to activate any electric switches telephones or any other equipment that may cause sparks Open doors and windows immediately to create a current of air and ventilate the room Shut off the main gas supply valve at the meter or on the cylinder in the case of bottled gas and call an authorised service centre Do not attempt to interfere with the appliance in any way GENERAL INFORMATION As dictated by current legislation this appliance must be installed exclusively by qualified personnel Before starting the boiler for the first time make sure that it is connected to a water supply and central heating system com
61. ntral heating circuit of the boiler Use a 5 mm Allen key to unscrew the four screws securing the motor body to the impeller body Remove the motor body and check the condition of the washer If necessary replace the washer Replace the circulation pump and re assemble the components following the above procedure reverse order Switch on the electricity water and gas supplies and fill the system with water Check for any leaks from the joints and bleed off any air from the circuit Restart the boiler Diverter valve see fig 2 Replacing the diverter valve body Close the shut off valves and drain the central heating circuit of the boiler Unscrew the fixing screws securing the transparent cover of the diverter valve and remove the cover Unscrew the four fixing screws and remove the diverter valve body and washer Replace the valve body and re assemble the components following the above procedure in reverse order Switch on the electricity water and gas supplies and fill the system with water Check for any leaks from the joints and bleed off any air from the circuit Restart the boiler circulating pump Fig 1 diverter valve body diverter valve motor Fig 2 49 MAINTENANCE INSTRUCTIONS Primary heat exchanger see fig 1 Close the shut off valves and drain the central heating circuit of the boiler Switch off the power and
62. patible with its performance characteristics The room must be ventilated by means of an air intake positioned at floor level and protected with a grill Make sure the grill does not reduce the passage section The air inflow from adjacent rooms is allowed providing that those rooms are in depression with respect to the atmosphere and that there are not fireplace or fan installed When the appliance is installed outdoor i e on balcony or terrace make sure it is not directly exposed to atmospheric agents to prevent any damage to components which would lead to a warranty invalidation It is recommended to provide the boiler with a protective casing box against bad whether conditions Check the technical data reported on the packing and on the rating plate located on the inside of the front casing Also check that the burner is appropriate for the type of gas to burn Make sure that the pipes and fittings used for the gas service are perfectly tight and that there are no gas leaks Prior to start up the central heating pipes should be flushed to remove any residues that could compromise the operation of the appliance The appliance can be regarded as being electrically safe when it has been connected to an efficient earth system installed in accordance with the requirements of current safety standards This fundamental safety requirement must be checked and verified In case of doubt have the electrical system checked by a qualified electrician
63. play The central heating frost protection system the circulating pump inactivity protection and 3 way valve inactivity protection functions remain enabled If the boiler was previously ON it is switched OFF and the fan overrun and pump overrun functions are enabled 2 7 Control panel Control panel Key 1 HEATING TEMPERATURE SETTING BUTTONS 2 INFO BUTTON PRESS ONCE TO DISPLAY 7 TEMPERATURES AND INFO see 2 8 INFO menu display KEEP INFO BUTTON PRESSED FOR 5 SECONDS OFF MODE TO DISPLAY Vl THE LAST 5 ERRORS 3 MODE SELECTION BUTTON SUMMER ONLY WINTER ONLY SUMMER WINTER OFF 4 RESET BUTTON ERROR RESET FLUE TEST FUNCTION ACTIVATION CHIMNEY SWEEPER KEEP IT PRESSED FOR 7 SECONDS 5 DOMESTIC HOT WATER TEMPERATURE SETTING BUTTONS KEEP BUTTONS AND PRESSED FOR 5 SECONDS TO ACTIVATE THE DISPLAY BACKLIT MODE FOR i CONTINUOUS PERIOD OF 10 MINUTES 6 TERMINAL BLOCK FOR EXTERNAL WIRING 1 2 3 4 5 6 7 LCD DISPLAY sonm ol eme 8 10 INSTALLATION INSTRUCTIONS LCD DISPLAY ICONS KEY 1 PARAMETER NUMBER INFORMATION 4 5 6 7 2 PARAMETERS PROGRAMMING MODE ON 3 SOLAR PCB CONNEC
64. re m Check that the condensate drain system is working correctly including any parts of the system outside the boiler such as condensate collection devices along the length of the flue and or any acid neutralising devices m Check that the condensate flows freely and that there are no exhaust fumes present within the appliance 42 MAINTENANCE INSTRUCTIONS 6 3 Accessing the boiler All maintenance operations require one or more of the boiler casing panels to be removed The side panels can only be removed after the front panel has been removed Front panel e Remove the fixing screws at the lower edge of the front panel e Grasp the lower part of the panel and pull it outwards see fig 1 and then up see fig 2 Left and right side panel Remove the fixing screws at the front and lower edge of the side panel to remove Grasp the bottom of the panel move it sideways and then upwards to remove it To access the electrical connections of the control panel proceed as follows A Switch off the power supply at the main switch e Remove the front panel see fig 1 and fig 2 e Grasp the left and right control panel support brackets see fig 5 and pull them outwards at the same time rotating the panel downwards e Unscrew the four fixing screws see fig 6 and remove the panel back piece 43 MAINTENANCE IN
65. re burner unit see 6 6 1 Cleaning the burner unit Use an 8 mm spanner to unscrew the four nuts securing the electric fan to the gas manifold and then remove the electric fan noting the positions of the washer and diaphragm Remove the air intake duct unscrew the two fixing screws from the venturi and remove the electric fan paying particular attention not to damage the cork gasket Replace the electric fan and re assemble the components following the above procedure in reverse order Switch on the electricity water and gas supplies and check the soundness of the joint by measuring the CO levels Expansion vessel see fig 2 Close the shut off valves and drain the central heating circuit of the boiler Use a 19 mm spanner to unscrew the pipe coupling to the vessel Move the top fixing bracket upwards and remove the expansion vessel by pulling it out from the front Replace the expansion vessel and re assemble the components following the above procedure in reverse order Switch on the electricity water and gas supplies and fill the system with water Check for any leaks from the joints and bleed off any air from the circuit venturi elettroventilatore staffa fissaggio vaso espansione 48 MAINTENANCE INSTRUCTIONS Circulating pump motor body see fig 1 Close the shut off valves and drain the ce
66. rminal must be positioned horizontally in that the exhaust duct has been specifically designed with the required slope and the air intake has been suitably protected against the weather Flue Duct connection Connect the flue to the chimney according to the following specification e Do not allow the exhaust flue to protrude inside the chimney instead terminate it before it reaches the flue duct e The exhaust flue must be perpendicular to the opposite wall of the flue duct see fig 2 19 Flue type kit AK50 Horizontal concentric flue kit 80 125 mm polypropylene inner pipe adjustable through 360 Discharges exhaust fumes and draws air from atmosphere INSTALLATION INSTRUCTIONS Suitable for condensing boilers only Discharges exhaust gases and draws combustion air by means of two concentric ducts The external 0125 duct draws the combustion air while the 080 plastic inner duct discharges the exhaust fumes The discharge duct can be connected directly to the outside or can be connected to a suitable combined flue System MAXIMUM FLUE LENGTH 8 m The maximum flue length linear equivalent is obtained by summing the length of linear pipe and the equivalent lengths of each bend fitted The linear equivalent is intended as being the total length of the duct from the connection with the combustion chamber of the appliance excluding the first bend The linear equivalent of additional bends is as
67. rt of the product and must be kept near the appliance always This manual must be kept in a safe place and made available for any future reference If the appliance is sold or transferred to a different owner this must follow the appliance to be red by the new owner and or installer The warnings contained in this chapter have been written for the appliance user the installer and the service engineer The user manual must be red carefully as it provides information on the operation and the operating limits of the appliance This appliance must be used exclusively in a pressurised central heating system After the removal of all the packaging check that the appliance has not been damaged In case of doubt do not attempt to use the product but refer to the supplier Packing materials cardboard box wooden crate nails staples plastic bags polystyrene etc must not be left within reach of children in that these items represent a potential hazard and must be disposed of in a responsible manner Before carrying out any cleaning or maintenance operations disconnect the appliance from the mains electricity supply by switching off at the main switch and or any other isolating device Do not obstruct the air intake or flue exhaust grills Do not obstruct the air intake or flue exhaust terminals In the case of a fault and or malfunction in the appliance shut down the system Do not interfere with or attempt any repairs Call for professio
68. s boiler w dual circuit exchanger 01 Istantaneous boiler w secodary d h w plate exch Pot Selects the type of boiler 00 05 02 Storage cylinder boiler 03 Boiler wit Comfort storage cylinder 04 Comfort istantaneous boiler w sec d h w plate exch 05 Only heating boiler 00 Natural gas P02 Selects the type of gas supply 01 LPG 02 G25 Sets the central heating temperature 51 ips s e 00 0 seconds Disabled 01 2 50 seconds Default P04 Heating output rising time 00 04 02 100 seconds 03 200 seconds 04 400 seconds P05 Water hammer prevention function 2 01 27 4 00 P06 D H W priority function 01 On P07 Central heating timer 00 90 S ut uas bs ES P08 Central heating pump overrun timer 00 90 eo 09 D H W Storage cylinder pump overrun 00 90 Displayed in multiples of 5 seconds timer default value 18 x 5 90 P10 Sets the minimum fan speed 33 P11 11 Sets the maximum fan speed P10 203 Sets the minimum fan speed central Displayed in hertz di heating 1Hz 30 rpm Sets the maximum fan speed central Displayed in hertz dis heating cou 1Hz 30 rpm P14 Sets the ignition sequence 33 203 onec eda P15 Legionella prevention function 00 Off for storage boilers only 01 On Sets the climatic compensation curve 16 w outdoor temperature sensor only 00 30 See ae installation P17 Sets the temperature measurement 00 C unit 01 F 28 REGULATION I
69. scharged into the system itself Check that there are no flammable materials or liquids in the immediate vicinity of the boiler 23 INSTALLATION INSTRUCTIONS 4 2 Filling the system A Check the properties of the water supply and install the appropriate treatment devices if the mains water has a hardness rating more than 25 f in order to prevent scaling and eventual damage to the D H W heat exchanger Use only clean tap water to fill the system If antifreeze chemical agents are used to fill the system install a hydraulic compensator on the filling system in order to separate the heating circuit from the D H W circuit Before switching the power supply ON fill the system as follows Check that the circulating pump runs freely Check that the plug of the air vent valve has been slackened slightly to allow air to escape from the system fig 1 Connect a rubber pipe to the draining tap placed on top of the condensing heat exchanger fig 3 turn it counter clockwise open the filling tap R fig 2 to direct any air away from the system close the draining tap placed on top of the condensing heat exchanger fig 3 use a pressure gauge M fig 2 to check that the system pressure reaches the middle part of the green zone corresponding to 1 2 bar fig 4 On completion make sure that the filling tap R is perfectly closed R fig 2 Unscrew the plug on the pump to remove any trapped air check that
70. so Heating technology since 1959 Instruction Manual for model RK 34 B Premix condensing system boiler for remote D H W storage cylinder connection CE 0694 RK 34 B RAD ING MAN INST 1310 1 DIGITECH CS MIAH4 Technical specification RADIANT BRUCIATORI S p A Montelabbate CONTENTS General information 1 1 General warnings pag 1 2 Product conformity Technical characteristics 2 1 Technical data 2 2 Dimensions 2 3 Internal parts of the boiler 2 4 Water circuit 2 5 Circulation pump head flow graph 2 6 Printed circuit board Technical characteristics 2 7 Control panel 2 8 INFO Menu display Installation authorised personnel 3 1 Reference standard 3 2 Boiler room installation requirements 3 3 Unpacking 3 4 Installation boiler 3 5 Water connections 3 6 Gas connection 3 7 Electrical connections 3 8 Flue connections Commissioning the appliance authorised personnel 4 1 General warnings 4 2 Filling the system 4 3 Filling the condensate trap 4 4 Frost Protection 4 5 Starting up the boiler 4 6 CO Value adjustment Regulating the appliance authorised personnel 5 1 Parameters table 5 2 Accessing the parameters menu 5 3 Setting the parameters 5 4 Gas Data 5 5 Heating Power kW Fan frequency Hz diagram 5 6 Converting the boiler to a different gas type CON A 10 11 12 12 13 14 15 16 17 19 23 24 25 26 27 27 28 30 31 40 40
71. the parameters menu steps 1 4 D 5 Use and buttons D H W temperature setting e to modify the value of the parameter within the prescribed limits displayed in Hertz min 33 Hz max Value set in parameter P11 The default value is set according to the output value set in Parameter POO 3 to confirm and to render the new 6 Press mode selection button parameter operative n To exit from the parameters menu press simultaneously OF and PARAMETER P11 SETS THE MAXIMUM FAN SPEED This parameter is used to set the maximum fan speed which corresponds to the maximum burner output To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 ERY 5 Use and buttons D H W temperature setting to modify the value of the parameter ania the prescribed limits displayed in Hertz min Value set in parameter P10 max 203 Hz The default value is set according to the output value set in Parameter POO DP 1 I to confirm and to render the new 6 Press mode selection button i parameter operative 7 To exit from the parameters menu press simultaneously and QE E buttons 34
72. to current legislation Attention It is recommended to clean the condensate trap after a few months of boiler operation to remove deposits residuals left after the first condensate passage within the boiler new components that may interfere with the 1 correct operation of the trap itself 25 INSTALLATION INSTRUCTIONS 4 4 Frost Protection The boiler is protected from freezing by electronic board settings and special functions that provide the starting of the burner to heat all the interested parts when their temperature drops below the minimum preset values protecting the boiler up to an external temperature of 10 C The device operates as follows e heating circuit water temperature drops below 5 C the burner is automatically switched ON until the water reaches a temperature of 30 C e The domestic hot water temperature drops below 4 the burner is automatically switched ON until the water reaches a temperature of 8 C A The system operates even if the boiler is in OFF mode as long as it is electrically powered 230 V and the gas supply is open A In case of long periods of inactivity it is recommended to empty the boiler and the hydraulic system Warning for the service technician In case of a boiler locked out because of freezing before putting it into operation make sure that any part is blocked by ice heat exchanger pump etc Warning for the installer
73. u steps 1 4 5 Use 9 and buttons D H W temperature setting Gi to modify the value of the parameter within the prescribed limits displayed in multiples of 5 seconds min 00 max 90 Forex 90 90 x 5 450 7 5 min The default value is 36 180 3 min 6 Press mode selection button to confirm and to render the new parameter operative 7 exit from the parameters menu press simultaneously 4 buttons PARAMETER P08 CENTRAL HEATING PUMP OVERRUN TIMER This parameter is used to set the pump functioning time in heating mode after switching off the main burner for the intervention of the room thermostat To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 4 5 Use and buttons D H W temperature setting to modify the value of the parameter within the prescribed limits displayed in multiples of 5 seconds min 00 max 90 Forex 90 90 x 5 450 7 5 min The default value is 36 180 3 min 6 Press mode selection button 11 to confirm and to render the new parameter operative 7 To exit from the parameters menu press simultaneously 4 and fJ buttons 33
74. ve must be installed upstream of the appliance m The gas pipe work must have and bigger or equal section to the one of the boiler m Before starting up the boiler make sure that the type of gas corresponds to that for which the appliance has been set up see gas type label inside the boiler m The gas supply pressure must be between the values reported on the rating plate see gas type label inside the boiler m Prior to installation it is good practice to ensure that there are no machining residues on the gas supply pipe m Conversion of the appliance from natural gas to LPG or vice versa must be carried out by qualified personnel 16 INSTALLATION INSTRUCTIONS 3 7 Electrical connections General warnings A The connection to the mains power supply must be carried out by professionally qualified personnel registered in accordance with current legislation and authorised by Radiant Bruciatori S p a A Always check to make sure that the appliance has an efficient earth system This requirement is only satisfied if it has been properly connected to an efficient earth system installed in accordance with the requirements of current safety standards and carried out by professionally qualified personnel This basic safety measure must be checked verified and carried out by professionally qualified personel In case of doubt have the electrical system checked by a qualified electrician The manufacturer will not be held liable for

RK 34.B - RAD - ING - MAN.INST - 1310.1 - DIGITECH

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