Radiant RKA 25, Instruction Manual

Page 1: ...allation operating commissioning and maintenance instructions CE 0694 TG05A095 A0306 Documentazione Tecnica RADIANT BRUCIATORI S p A Montelabbate PU ITALY ENGLISH Instruction Manual for models RKA 25...

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Page 3: ...Unpacking page 12 3 3 Installing the boiler page 13 3 4 Water connections page 14 3 5 Central heating circuit page 15 3 6 Condensate drain page 16 3 7 Discharge piping page 17 3 8 D H W circulating l...

Page 4: ...41 5 5 Converting the boiler to a different gas type page 42 6 Servicing the appliance authorised personnel 6 1 General warnings page 43 6 2 Boiler inspection page 43 6 3 Maintenance for unvented comp...

Page 5: ...ations 1998 The warnings contained in this chapter have been written for the appliance user the installer and the service engineer The operating instructions chapter of this manual must be read carefu...

Page 6: ...ny 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 accordanc...

Page 7: ...C COMPATIBILITY DIRECTIVE 89 336 CEE BOILER EFFICIENCY DIRECTIVE 92 42 CEE The materials used such as copper brass stainless steel etc form a compact homogeneous highly functional unit that is easy to...

Page 8: ...Domestic hot water D H W temperature setting C 35 60 Max Hot water working pressure bar 6 Min Hot water working pressure bar 0 5 Continuous hot water supply t 30 mixed water litres h 726 Max continuo...

Page 9: ...od RKA 25 HR HEATING RETURN CONNECTION 3 4 HF HEATING FLOW CONNECTION 3 4 G GAS CONNECTION 1 2 CWI COLD WATER CONNECTION 1 2 HWO HOT WATER CONNECTION 1 2 SC CONDENSATE DRAIN 450 53 95 164 225 450 84 5...

Page 10: ...001 11 AUTOMATIC AIR VENT 12 3 SPEED CIRCULATION PUMP WITH AIR VENT 13 WATER PRESSURE SWITCH 14 HEATING CIRCUIT 3 bar PRESSURE RELIEF VALVE 15 DRAINING TAP 16 FLOW LIMITER 17 BY PASS 18 AIR COMBUSTION...

Page 11: ...RE SWITCH 16 FLUE DUCT CONNECTION CHAMBER 17 EXHAUST TEST SOCKET 18 EXPANSION TANK 19 AIR INTAKE DUCT 20 CONDENSATE TRAP 21 PRESSURE GAUGE 22 BYPASS 23 CONDENSATE TRAP OVERFLOW 24 SYSTEM DRAIN VALVE 2...

Page 12: ...GE TG05A095 A0306 8 2 5 Circulation pump head flow graph Head available for the system with bypass 50 open Head available for the system at maximum speed III 1400 1200 1600 70 50 60 40 1000 800 400 60...

Page 13: ...is now possible to adjust the following settings Adjustments possible by service personnel only Standard reduced temperature 30 80 25 40 Water hammer prevention function Heating timer adjustable from...

Page 14: ...9 CENTRAL HEATING FUNCTION INDICATOR THE BOILER IS IN WINTER OR SUMMER WINTER MODE FIXED LIGHT Heating mode has been selected FLASHING LIGHT There is a current demand for heating 10 ERROR WARNING LIG...

Page 15: ...999 The installations should be carried out in accordance with the following British Standards Codes of Practice BS 5440 Part1 2000 Flues BS 5440 Part2 2000 Air Supply BS 6700 1987 Specification for i...

Page 16: ...zard A Place the packed appliance on the floor 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 suppor...

Page 17: ...plied 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...

Page 18: ...units causes a consequent increase in volume of the water contained in them In order to compensate for this increase in volume the appliance is fitted with an expansion vessel specifically for the dom...

Page 19: ...beneath the appliance Note If required an automatic by pass is preferred Radiator valve Filling point DHW outlet Pressure reducing valve supplied Mains water inlet Static head of system Make up vesse...

Page 20: ...d that the pipe diameter is increased to 32mm 8 If the boiler is fitted in an unheated location the entire condensate discharge pipe should be treated as an external run 9 In alI cases discharge pipe...

Page 21: ...alled where discharge from safety devices may not be apparent i e in dwellings occupied by blind infirm or disabled people consideration should be given to the installation of an electronically operat...

Page 22: ...p of cylinder b Insert the copper pipe B supplied by the manufacturer into the connection and than connect the loop pipe C c if the system requires an additional expansion vessel for the D H W circuit...

Page 23: ...if it has been properly connected to an efficient earth system installed in accordance with the requirements of current safety standards Standard CEI 64 8 Electrical Installations This basic safety me...

Page 24: ...to the terminal marked with the letter L Terminals identified by the letters Ta Room thermostat Se Outdoor sensor When the wires have been connected replace plate A and then the front panel 3 11 Conn...

Page 25: ...the power supply at the main switch 2 Remove the front panel of the boiler 3 Bend the two panel support brackets outwards slightly and at the same time rotate the panel downwards 4 Unscrew the four fi...

Page 26: ...oard and to the terminal board 8 Connect the wires of plug M3 on the interface board to the terminal board 9 Remove jumper TA TA and set the boiler to SUMMER mode 10 Connect the remote control to the...

Page 27: ...displayed The factors governing the correction is reported in figure 1 The selection of the compensation curve is determined by the maximum delivery temperature Tm and the minimum outdoor temperature...

Page 28: ...xial system is installed the coaxial terminal must be positioned horizontally in that the exhaust duct has been specifically designed with the required slope 60 and the air intake 100 has been suitabl...

Page 29: ...consulted Where the lowest part of the terminal is fitted less than 2m 6 6ft above a balcony above ground or above a flat roof to which people have access the terminal MUST be protected by a purpose d...

Page 30: ...nimum height requirements must be satisfied fig 1 1 Flat roof If the chimney is further than 5 m from the highest point of the roof it must be at least 0 5 m higher than the edge of the roof itself If...

Page 31: ...suitable combined flue system MAXIMUM FLUE LENGTH 5 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 lin...

Page 32: ...near pipe and the equivalent lengths of each bend fitted The linear equivalent is intended as being the total length of the duct exhaust discharge air intake from the connection with the combustion ch...

Page 33: ...m 100 60 x 45 bend 0 5 m N B USE ONLY RADIANT TYPE APPROVED FLUE SYSTEMS FOR DISCHARGING EXHAUST GASES AND DRAWING COMBURENT AIR Suitable for condensing boilers only Discharges exhaust gases and draw...

Page 34: ...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 Open the gas valve to the boiler and check that there are no le...

Page 35: ...e pump is free then re tighten it when water starts to flow out 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...

Page 36: ...e pressure gauge reaches 1 bar TO FLUSH OUT DOMESTIC HOT WATER CIRCUIT 1 Ensure that the DHW expansion vessel has been fitted in line with the instructions on page 14 of the manual 2 Open all hot wate...

Page 37: ...wait approximately three minutes before re attempting to light the boiler To reset the boiler Switch off switch 1 fig 1 page 10 and switch it back on again and repeat the lighting procedure With the b...

Page 38: ...T ON OFFS EXPRESSED IN 5 SEC STEPS e g 90 parametervalue x 5 450 7 5minutes 7 CENTRAL HEATING POST CIRCULATION TIMER FACTORY SET AT 36 180 00 90 THE HEATING POST CIRCULATION TIME CAN BE MODIFIED AND I...

Page 39: ...itch on the boiler and wait for the display to show PL 0 3 Release and buttons 4 Keeping the service S button pressed use the or buttons to choose the parameter you wish to change or check Parameter n...

Page 40: ...to register the modifications PARAMETER N 2 KIND OF GAS SUPPLY 7 Use and buttons to modify the value of the parameter 00 Natural gas 01 LPG 8 Press and release the service S button to confirm your cho...

Page 41: ...value of the parameter 00 OFF 01 ON 2 delay on D H W start 8 Press and release the service S button to confirm your choice Number 5 will appear on the display 9 If you have to modify some other parame...

Page 42: ...is set to 18 90 1 5 8 Press and release the service S button to confirm your choice Number 8 will appear on the display 9 If you have to modify some other parameter follow the 4 5 steps p 35 then go t...

Page 43: ...p 40 Parameter Value Heating Power diagram The default value is 65 for both NAT GAS and L P G 8 Press and release the service S button to confirm your choice Number 11 will appear on the display 9 If...

Page 44: ...UID BUTANE GAS G30 LIQUID PROPANE GAS G31 Lower Wobbe index 15 C 1013 mbar MJ Nm3 45 67 80 58 70 69 Nominal supply pressure mbar 20 30 37 m3 h 2 64 kg h 1 94 1 94 Consumption 15 C 1013 mbar cfh 93 22...

Page 45: ...ulation board see 6 3 Accessing the boiler b Connect the terminals of a frequency meter to the appropriate terminal board 1 c Move jumper CM1 2 to cover both pins in order to close the circuit d Check...

Page 46: ...nother simply change the settings of the electric fan modulation board to those of the new gas type Open the control panel see 6 3 Accessing the boiler Fit jumper P1 MAX as shown in figure 1 o Pos A N...

Page 47: ...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 if necessary...

Page 48: ...i Close main stopcock ii Relieve pressure from system by opening a hot tap iii Check pressure of vessel using an accurate type pressure gauge iv Adjust if necessary to 3 5 bar with car foot pump The I...

Page 49: ...of the panel and pull it outwards fig 1 and then up 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 sid...

Page 50: ...he drain valve located at the bottom of the boiler on the pump manifold DRAINING THE DOMESTIC HOT WATER SYSTEM If there is a danger of freezing the domestic hot water system should be drained This can...

Page 51: ...te brown red TS 11 12 10 8 9 6 7 light blue 14 16 15 17 p w m brown black grey grey light blue black H s p s M3 brown black light blue p s 230 V AC N L Hz 5 3 4 1 2 brown pwm ps Hs ps M3 M5 M4 M2 M1 P...

Page 52: ...ELECTRODE WIRE j REPLACE PART 02 SAFETY THERMOSTAT TRIPPED 95 C k THERMOSTAT MALFUNCTION OR INCORRECT l THERMOSTAT DISCONNECTED WIRE DISCONNECTED m PUMP FAILURE k REPLACE PART l CHECK THE WIRING m CHE...

Page 53: ...ITHOUT ANY MODULATION THE FUNCTION IS USEFUL FOR COMBUSTION TESTING HEATING ANTI FREEZE FUNCTION THE FUNCTION IS ACTIVATED WHEN THE HEATING SENSOR SENSES A TEMPERATURE OF 5 C THE BOILER OPERATES AT MI...

Page 54: ...OR RK GM10 35 026 9 36067LA ELECTR GAS VALVE VK4115V1006B 9 37018LA EXHAUST FAN 88667 11130 RG128 1300 9 43157LP SEALING CLIPS KIT FOR MULTIPLEX GROUP 9 59015LA WATER PRESSURE SWITCH PC5411 BRASS 9 73...

Page 55: ...2x2 1 2 AFM34 43135LA 3 WAY VALVE FLANGE WASHER MPLEX 43139LA PLATE EXCHANGER O RING MULTIPLEX 43145LA 3 WAY VALVE MOTOR O RING MULTIPLEX 43150LA EPDM O RING FOR BRASS CONNECTIONS MULTIPLEX 43151LA B...

Page 56: ...FORMATION 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 HAND...