Radiant RK 25 /B Instruction Manual Download Page 52 | Manualshive

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MAINTENANCE INSTRUCTIONS

48

POSITIONING THE IGNITION ELECTRODE AND THE IONISATION ELECTRODE

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3.5 0.5 mm

1 m

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Summary of Contents for RK 25 /B

Page 1: ...e instructions CE 0694 RKA 34 20 RAD ING MAN INST 1310 1 DIGITECH CS MIAH4 Technical specification RADIANT BRUCIATORI S p A Montelabbate PU ITALY ENGLISH Instruction Manual for model RKA 34 20 Wall mo...

Page 2: ......

Page 3: ...3 3 Unpacking 12 3 4 Installation boiler 13 3 5 Water connections 14 3 6 D H W circulating loop 15 3 7 Gas connection 16 3 8 Electrical connections 17 3 9 Flue connections 19 4 Commissioning the appli...

Page 4: ...2 Boiler inspection 43 6 3 Accessing the boiler 44 6 4 Draining the central heating and domestic hot water system 45 6 5 Maintenance operations 46 6 6 Wiring diagrams 55 6 7 Electrical connections Opt...

Page 5: ...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 i...

Page 6: ...ent 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...

Page 7: ...ccessories 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...

Page 8: ...bar 6 Min Hot water working pressure bar 0 5 D H W 40 C water supply t 30 C for 1 hour litres 1011 Max D H W 40 C water supply t 30 C first 10 minutes litres 181 Storage cylinder capacity llitres 20 D...

Page 9: ...ONS 5 490 900 480 180 102 208 260 311 CD HF CWI G HWO HR 74 70 78 86 80 102 2 2 Dimensions LEGEND HR HEATING RETURN 3 4 HF HEATING FLOW 3 4 G GAS 1 2 CWI COLD WATER INLET 1 2 HWO HOT WATER OUTLET 1 2...

Page 10: ...ATION ELECTRODE 6 HEATING SENSOR 7 HEATING SAFETY THERMOSTAT 8 FAN 9 CONDENSATE TRAP 10 D H W EXPANSION VESSEL 11 PUMP WITH AIR VENT 12 3 bar PRESSURE RELIEF VALVE HTG CIRCUIT 13 SYSTEM DRAIN VALVE 14...

Page 11: ...C BY PASS 16 IGNITION ELECTRODE 17 IONISATION ELECTRODE 18 CONDENSATE DRAIN PIPE 19 VENTURI 20 ROOM SEAL CHAMBER BACK SIDE 21 CONDENSATE TRAP 22 DHW EXCHANGER 23 ELECTRONIC FLOWSWITCH 24 3 WAY VALVE 2...

Page 12: ...INSTALLATION INSTRUCTIONS 8 2 5 Circulation pump head flow graph Head m Appliance Loss III Pump head at maximum speed Pump head at second speed II I Pump head at minimum speed Flow m3 h I II III...

Page 13: ...ror History display last 5 errors To switch the boiler OFF press INFO button the symbol appears on the display The central heating frost protection system the circulating pump inactivity protection an...

Page 14: ...els according to the flame modulation of the boiler see flame icon power images 2 8 INFO Menu display Press the INFO Button to display the boiler data Once pressed the parameter number will appear on...

Page 15: ...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 ove...

Page 16: ...esent 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...

Page 17: ...essary 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 applian...

Page 18: ...t 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 dep...

Page 19: ...ng 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...

Page 20: ...a 22 mm diameter pipe with an uninterrupted supply from meter to boiler and comply with current standards and regulations Check the internal and external seals of the gas supply system A gas shut off...

Page 21: ...onnection 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 l...

Page 22: ...wires to the terminal board B as follows Connect the earth wire normally coloured green yellow to the terminal marked with the earth symbol Connect the neutral wire normally coloured blue to the term...

Page 23: ...combustion chamber which has been specifically designed to collect and drain the acidic condensate o for the air intake the entire length of the duct slopes upwards towards the boiler to prevent the...

Page 24: ...ly 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 equi...

Page 25: ...ength 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 exhaust...

Page 26: ...ct 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 li...

Page 27: ...ected 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 suppl...

Page 28: ...densing heat exchanger fig 3 and 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...

Page 29: ...ws see fig 1 Remove plug T and fill the trap S three quarters full with water Replace plug T and connect the drainpipe P into a condensate discharge trap conforming to current legislation Attention It...

Page 30: ...the boiler is in OFF mode as long as it is electrically powered 230 V and the gas supply is open In case of long periods of inactivity it is recommended to empty the boiler and the hydraulic system Wa...

Page 31: ...the 4 resistances onto the heating flow pipe heating return pipe cold water pipe and domestic hot water pipe with the exception of the gas pipe See Fig 1 c Protect the pipes with isolating material d...

Page 32: ...l operation and starting of the boiler is enabled only once the purging cycle has been completed Open the gas feed valve Use button to select the WINTER mode The symbol will light up fixed light to in...

Page 33: ...ion 00 01 Off On P06 D H W priority function 00 01 Off On P07 Central heating timer 00 90 Displayed in multiples of 5 seconds default value 36 x 5 180 P08 Central heating pump overrun timer 00 90 Disp...

Page 34: ...lating pump minimum speed w modulating pump and return temperature sensor connected only 50 70 Displayed in percentage P24 Modulating pump maximum speed w modulating pump and return temperature sensor...

Page 35: ...follows 1 Place mode selection button in OFF position visualized by symbol 2 Keep pressed and buttons simultaneously and wait for symbol and P00 to appear on the display 3 Release buttons and 4 Use a...

Page 36: ...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 Comf...

Page 37: ...ocedure 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 0 seconds disabled 01 50 seconds default 02 100 se...

Page 38: ...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 For ex 90 90 x 5 450 7 5 min The defaul...

Page 39: ...rameters 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 Hertz min 33 Hz max Value set in parameter P11 The de...

Page 40: ...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...

Page 41: ...w temperature range selected fig 1 The selection of the compensation curve is determined by the maximum flow temperature Tm and the minimum outdoor temperature Te taking into consideration the house i...

Page 42: ...iously 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 Disabled 01 Flow temperature co...

Page 43: ...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 C 6 Press mode selection button to...

Page 44: ...r 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 paramet...

Page 45: ...0 3 Liquid Propane Gas G 31 10 3 Frequency Gas type Minimum Hz Maximum Central Heating Hz G 20 55 164 G 30 52 155 G 31 52 155 Gas data table NATURAL GAS G20 LIQUID BUTANE GAS G30 LIQUID PROPANE GAS G3...

Page 46: ...y qualified personnel registered in accordance with current legislation and authorized by Radiant Bruciatori Spa Check that the gas supply pipe is suitable for the new fuel type Conversion is performe...

Page 47: ...Commissioning the boiler Remove and clean any oxidation from the burner Check that the seal of the room sealed chamber is undamaged and positioned correctly Check the primary heat exchanger and clean...

Page 48: ...ont panel releasing one at a time the fixing pins at the top Right left side panels Remove the fixing screws placed on the bottom right left side panels Grasp the panel base shift it laterally and rem...

Page 49: ...When the system has been drained close the radiator breather valves and the drain valve Draining the domestic hot water system If there is a danger of freezing the domestic hot water system should be...

Page 50: ...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 ar...

Page 51: ...erse order Fill the system with water and check for any leaks from the joints Part replacement Ignition and or flame detection electrodes see fig 2 Un Plug the electrode wires Slacken the fixing screw...

Page 52: ...MAINTENANCE INSTRUCTIONS 48 POSITIONING THE IGNITION ELECTRODE AND THE IONISATION ELECTRODE 3 5 0 5 mm 1 mm 9 8 1 mm...

Page 53: ...al 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 va...

Page 54: ...procedure in reverse order Switch on the electricity water and gas supplies and check the soundness of the joint by measuring the CO2 levels Expansion vessel see fig 2 Close the shut off valves and dr...

Page 55: ...any leaks from the joints Storage Cylinder see fig 2 Close the shut off valves and drain the central heating circuit of the boiler Use a 30 mm key to unscrew the heating flow and return pipes fig 2 po...

Page 56: ...s 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 o...

Page 57: ...eturn 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...

Page 58: ...t board and re assemble the components following the above procedure in reverse order Switch on the electricity water and gas supplies and regulate the boiler see 5 4 Gas data When replacing the modul...

Page 59: ...ar ar ce ma ma ce ne ne L N Ta Ta Se Se MP Pacq ma ce 6 6 Wiring diagrams Key ER Ionisation electrode EA Ignition electrode C Circulating pump VD Diverter valve VG Gas valve TRA Ignition transformer T...

Page 60: ...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 t...

Page 61: ...n only if parameter P00 2 3 or 4 CT Telephone control PM Modulating pump SR Heating sensor SRB Remote boiler Lock Out indicator Option SVZ Zone Valves Management PCB if Remote control is installed TAZ...

Page 62: ...STAT TRIPPED 95 C i THERMOSTAT MALFUNCTION OR OUT OF CALIBRATION j THERMOSTAT CABLE DISCONNECTED i REPLACE PART j CHECK THE WIRING Manual Reset press the Reset button E03 102 C THERMO FUSE TRIPPED k T...

Page 63: ...urging function 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 pump is enabled fo...

Page 64: ...GER 5 1 CBD COMPLETE 36072LA VENTURI MANIFOLD 36076LA ELECTRONIC GAS VALVE 1 2 37032LA FAN PX128 203 40 00077 PRINTED CIRCUIT BOARD DIGITECH CS MIAH4 59015LA WATER PRESSURE SWITCH 73516LA HTG CLIP SEN...

Page 65: ...5x10 2x2 1 2 AFM34 43003LA GASKET D 15x8x2 3 8 AFM34 43135LA 3 WAY VALVE GASKET 43139LA HEAT EXCHANGER O RING 43145LA MULTIPLEX 3 WAY VALVE BODY MOTOR O RING 43150LA SEAL O RING 43151LA BYPASS O RING...

Page 66: ...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 E...

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