Summary of Contents for elco Firebird FB 4.1 26 LN
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FB 4.1 (R) LOW NOx LIGHT OIL BURNER Instructions to Assembly, Commissioning and Maintenance Before installing and using the burner, read this manual carefully and keep it close to the burner.
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RANGE This manual refers to the following products: BURNER MODEL FIREBIRD CODE ELCO CODE FB 4.1 (R) 26 LN 416365 3149698 FB 4.1 (R) 35 LN...
SAFETY SAFETY Overview These instructions for the installation, commissioning and maintenance of the burner are for use by technicians from professional heating companies that are qualified to carry out these activities. The instructions contain indications and information on how to move, handle, activate, adjust, maintain and remove the appliance and how to dispose of the components at the end of the their useful life.
SAFETY Symbols used 1.3.1 Key to symbols used in the manual DANGER Maximum danger. Indicates operations that cause serious injury, death or long-term health risks if performed incorrectly. DANGER DANGER DANGER Indicates a dangerous situation that could cause serious injury, death or long-term health risks, caused by electricity, if handled without due care or incorrectly.
SAFETY Requirements for personnel or operators CAUTION It may be hazardous to assign activities to personnel that are not sufficiently qualified. It may CAUTION harm the operators themselves if they perform manoeuvres or operations incorrectly, with a serious impact on personal safety, things and property. CAUTION Installation, commissioning and maintenance activities must only be carried out by the personnel of dedicated heating companies specifically qualified to perform these tasks.
GENERAL GENERAL Burner description FB 4.1 (R) LN is a latest generation single-stage burner fuelled by light oil. The innovative combustion head ensures low NOx and CO emissions within the emission limits set out by European Regulations for energy related products (ErP). The burner uses functional components that, in addition to ensuring a long working life, also allow for easy installation, adjustment and maintenance.
GENERAL Identification Check the identification label of the burner (“Fig. 1”). Burner code Electrical supply Week and year of manufacture Protection level Burner model Electrical consumption Factory power setting Types of fuel used Burner power output Serial number Fig. 1 CAUTION It is strictly forbidden to remove the identification label.
GENERAL Structure 2.4.1 Structure of the burner Power indication LED Fastening screws for equipment plate Connection PLUG-IN between control Housing for internal rotor box and ignition transformer Pre heater cable (electrically not con- Snorkel nected) Air setting Flame sensor Air intake Reset button Air valve indicator Control box...
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GENERAL Blast tube Extended pressure port Cover fixing screw Burner base Burner fixing bolt Oil pressure regulator Burner flange Fuel-oil pump Conventional flue carter (optional) Solenoid valve Cable kit with 7 and 5 pin connectors Ignition transformer Electric motor for pump and fan Front panel Capacitor Fig.
GENERAL 2.4.2 Structure of the combustion head Blast tube Electrode group fixing screw Diffuser Combustion head fixing screw Electrode group Nozzle Diffuser fixing screw Fig. 4 12/60...
GENERAL Control box The EBR-M18 control box, controls and monitors the forced draught burner. The microprocessor- controlled program sequence ensures maximum stability of time periods, regardless of fluctuations in the power supply or ambient temperature. The design of the control box protects it from the effects of flame outs. Whenever the supply voltage drops below its rated minimum level (160 ±...
GENERAL 2.6.3 Operating logic with pre heater electrically connected (optional - see ch. 5.4.2 on page 31) M1 Burner motor 104 Oil pressure regulator Ignition transformer 105 Flexible oil pipe Solenoid valve 106 Filter 101 Fan 118 Nozzle 102 Oil pump 120 Pre Heater 103 Air flap Fig.
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GENERAL Control box operating cycle diagram with pre heater electrically not connected (factory standard). General power LINE supply Boiler temperature control Motor Ignition Transformer Valve Flame check Flame Stand-by: the burner is Ignition safety time waiting for heat demand Post-Ignition time Waiting time wp Working phase Pre-Purge time...
INSTALLATION INSTALLATION Safety during assembly DANGER Danger of death! - Contact with live electrical components may cause serious incidents. - Only professionally-trained and qualified personal can operate on the electrical system. - Before any operation, switch off the power supply to the system by operating the main switch. Check there is no power and ensure restart is impossible.
INSTALLATION Installation area Before installation, make sure that the installation area satisfies the following requirements: – operating temperature between -10°C and +60°C – dry, frost resistant, well-ventilated – no accumulation of heavy powders – no high levels of humidity – no atmospheric pollutants created by halogenated hydrocarbons (contained in solvents, adhesives, aerosols, etc.) –...
INSTALLATION Preliminary checks before mounting the burner Before mounting the burner onto the boiler: – check the distance between tips of electrodes (2 mm) Fig. 12 – Check the position of the electrodes assuring that they are centered as shown in “Fig. 13”. A-A 1 : 1 Fig.
INSTALLATION Burner assembly CAUTION Install the burner on the boiler according to the installation position shown in “Fig. 14”. CAUTION Installation 2,3 and 4 are forbidden for safety reason. Fig. 14 The burner is secured to the boiler using the connection flange supplied with the burner. Follow the instructions below: –...
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INSTALLATION – position the flange (2), with the screw (1) facing upwards, onto the boiler and secure it with the nuts (5) supplied – tighten the nuts (5) of the flange evenly and diagonally with a tightening torque of 3,5 Nm max.
INSTALLATION – insert the air intake pipe (8) and secure it using a pipe clamp (9), not supplied – in case of conventional flue applications remove snorkel and air conveyor (10) and replace with the conventional flue carter (11) (optional) after removing the front side (12). Fig.
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INSTALLATION • Two-pipe system (standard) For two-pipe operation it is necessary to remove the by-pass washer. To apply the fuel return pipe, proceed as follows: – remove the cap (14) from the connection and screw in the additional return pipe (15), supplied with the burner –...
INSTALLATION 4.6.3 Oil feed and suction line with two-pipe system Burner lower than tank H = x-y Fig. 23 Pipe length (m) Pipe length (m) H (m) H (m) Ø6 mm Ø8 mm Ø10 mm Ø6 mm Ø8 mm Ø10 mm CAUTION - X <...
INSTALLATION Electrical connection DANGER Danger of death caused by live components! Contact with live parts can lead to serious injury, take the following precautions: - ensure that the power is switched off for all electrical parts - electrical wiring installation must be carried out by qualified personnel and in compliance with the regulations currently in force in the country of destination.
COMMISSIONING COMMISSIONING Safety during commissioning CAUTION It may be hazardous to assign activities to personnel that are not sufficiently qualified. It may harm the operators themselves if they perform manoeuvres or operations incorrectly, with a CAUTION serious impact on personal safety, things and property. CAUTION Installation, commissioning and maintenance activities must only be carried out by the personnel of dedicated heating companies specifically qualified to perform these tasks.
COMMISSIONING 5.4.1 Air flap position Turn the hex key (1) supplied: – clockwise to increase the air flap opening (O rises, CO decreases). – counterclockwise to reduce the air flap opening (O decreases, CO rises). Fig. 27 5.4.2 Pre heater connection The burner leaves the factory with the pre heater not electrically connected by the use of a by pass plug (A) installed on the cable (B).
COMMISSIONING Oil pressure setting 5.6.1 Oil pressure setting The oil pressure, and therefore burner output, is adjusted using oil pressure regulator (7), see “Fig. 29”, on the pump. Sequence to adjust the oil pressure: – connect a pressure gauge at point (8). Turn the regulator screw (7) to: –...
COMMISSIONING 5.6.4 Check pump rotation CAUTION If the pump is blocked, proceed as follows. CAUTION – Disconnect the oil pipe from the pump – remove the pump (1) from the motor loosening screws (3) using the key supplied (2) Fig. 31 –...
COMMISSIONING Commissioning record ✓ Confirm the work carried out in the commissioning report below by marking and X or an Commissioning work Note Done Check the heating system has been filled correctly and the air has been removed Check the flue system Check there are no leaks in the fuel supply system Start the burner and check that it is operating...
COMMISSIONING 5.7.1 Setting and values recorded Customer: _________________________________________________________________ Heating system: _____________________________________________________________ BOILER Type Output kcal/h BURNER Type FB 4.1 (R) 26 LN FB 4.1 (R) 35 LN Serial number Output Nozzle size Spray angle/cone type Fan pressure mbar Combustion mbar chamber pressure Air flap scale...
MAINTENANCE MAINTENANCE Safety during maintenance The periodic maintenance is important for safety, good operation and long life cycle of the burner, reducing also consumption and polluting emissions. The burner must be serviced at least once a year. Only qualified and authorised personnel shall carry out maintenance and the calibration of the burner, in accordance with this manual and in compliance with the local standards and regulations.
MAINTENANCE Removing the burner DANGER Danger of death caused by live components! Before carrying out any operations on the burner, operate the main power switch for the system to cut off the power supply. To remove the burner from the boiler, proceed as follows: –...
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MAINTENANCE – remove the fuel delivery pipe (5) and the return pipe (6) Fig. 35 – drain any fuel still inside the burner and in the fuel delivery pipe and collect it in a basin – loosen the pipe clamp (7) and remove the air intake pipe (8) Fig.
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MAINTENANCE – loosen the nut (9) securing the burner to the boiler and, rotating the burner (10) slightly to the right, slide it off the boiler. Fig. 37 CAUTION Dispose of any fuel that comes out of the burner in accordance with applicable legislation in the destination country.
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MAINTENANCE Fig. 38 Position A: – inspection and cleaning of the internal rotor. Position B: – inspection of the combustion head – inspection and maintenance of the nozzle – inspection and maintenance of the electrode group. Position C: – inspection and maintenance of the pump –...
MAINTENANCE Burner maintenance – Check the fuel supply components (pipe, pump, fuel delivery pipe) and their connections for leaks and signs of wear, replace parts as necessary. – Check that the electrical connection and connection cables are not damaged, replace them if necessary.
MAINTENANCE CAUTION If the air distributor (1) is removed from its housing, it must be repositioned, making sure that the hole (2) is aligned with the pin (3). CAUTION Fig. 40 6.3.2 Diffuser position check To check the position of the diffuser: –...
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MAINTENANCE – check the distance between the diffuser (1) and the nozzle (2) as shown in the figure. Fig. 42 – after having adjusted the position of the diffuser tighten the screw (8). – refit the blast tube. Fig. 43 44/60...
MAINTENANCE 6.3.3 Combustion head position check To check the position of the combustion head: – check the distance between the blast tube (1) and the nozzle (2) as shown in the figure. Fig. 44 6.3.4 Electrode position check – Check the distance between tips of electrodes (2 mm) Fig.
MAINTENANCE – Check the position of the electrodes assuring that they are centered as shown in “Fig. 46”. A-A 1 : 1 Fig. 46 6.3.5 Replacing the coil The pump coil is designed and built to withstand temperatures of up to 85°C. In the event of malfunctions or faults, replace the coil using the following procedure: –...
MAINTENANCE 6.3.6 Replacing the capacitor Proceed as follows to replace the capacitor: – remove the protection cup (1) from the capacitor (2) – detach the electrical connection from the capacitor – check with an electrical tester if the capacitor is damaged. Connect the tester to the capacitor pins: if the value read is different from the nominal capacity (+10%) written on the capacitor, it means the capacitor is damaged Fig.
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MAINTENANCE Follow the sequence – loose the screws (1) and remove the air intake duct (2) – clean the fan (3) and the inside of the air intake using a brush – if necessary, disassembly and re-assembly the fan. Fig. 50 Observe the positioning diagram below when replacing the motor and blower wheel (3).
TROUBLESHOOTING TROUBLESHOOTING Combustion performances After carrying out commissioning, cleaning or maintenance, combustion parameters must be verified. Boiler has to maintain in operation at least 15 min. or reach a steady condition of operation, then check: – pump pressure – flue gas temperature –...
TROUBLESHOOTING Troubleshooting diagram Boiler control Pre heater Burner supplied with consent motor heat demand (within 400s) runs Replace Check green Motor Pump motor blocked LED lights seized capacitor Check green Pre heater LED lights damaged Check boiler Replace Check Clean Dirty control motor...
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TROUBLESHOOTING Boiler control supplied with Boiler control heat demand supplied with heat demand Burner Lock out Is there a Remove Pre heater motor Burner during pre Lock out false flame Is there a false flame Remove functionality Pre heater runs motor purge phase during pre...
APPENDIX APPENDIX Use of bio fuel blends The burner is suitable for light oil with a biofuel content of up to 30%. It is a minimum requirement that the fuel blend (up to 30% Biofuel) is obtained with light oil in accordance with the relevant standards, regional regulations and FAME in accordance with EN 14214.
APPENDIX 9.2.2 General instructions and information The supplier of the fuel must demonstrate compliance with an accredited quality management system for their storage, mixing and delivery processes. During installation, make sure that all the materials and sealing devices used on the storage tank and oil delivery pipe to the burner are compatible with biofuels.
MANUFACTURER CERTIFICATE MANUFACTURER CERTIFICATE 10.1 Manufacturer Certificate / EU Design Conformity Declaration We, Firebird, declare under our sole responsibility that the light oil burners named FB 4.1 (R) ... LN is conform to the following standards: – EN 267 – EN 55014-1 –...
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