Riello Burners RG2 Installation, Use And Maintenance Instructions
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Riello Burners RG2 Installation, Use And Maintenance Instructions

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Installation, use and maintenance instructions
Light oil burner
GB
One stage operation
CODE
MODEL
TYPE
3737754
RG2
377 T1
2903260 (0)

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Summary of Contents for Riello Burners RG2

  • Page 1 Installation, use and maintenance instructions Light oil burner One stage operation CODE MODEL TYPE 3737754 377 T1 2903260 (0)

  • Page 3: Table Of Contents

    INDEX BURNER DESCRIPTION........... . . Burner equipment .

  • Page 4: Burner Description

    BURNER DESCRIPTION One stage light oil burner. Burner with CE marking in conformity with EEC Directives: EMC 89/336/EEC, Low Voltage 73/23/EEC, Machines 98/37/EEC and Yield 92/42/EEC. CE Certification No.: 0036 0344/03 in accordance with 92/42/EEC. The burner meets protection level IP X0D (IP 40), as per EN 60529. The burner is approved for intermittent operation as per Directive EN 267.

  • Page 5: Technical Data

    TECHNICAL DATA TECHNICAL DATA TYPE 377T1 − − Output – Thermal power 10 kg/h – 119 kW − Fuel Light oil, viscosity 4 6 mm /s at 20°C Electrical supply Single phase, ± 50Hz 230 V Motor Run current 0.8A – 2750 rpm. – 288 rad/s 4 µF Capacitor Ignition transformer...

  • Page 6: Installation

    INSTALLATION THE BURNER MUST BE INSTALLED IN CONFORMITY WITH LEGISLATION AND LOCAL STANDARDS. WORKING POSITION The burner is designed to work only in the positions, 1 and 2. Installation 1 is preferable, as it is the only one that allows performing maintenance operations as de- scribed in this manual.

  • Page 7: Hydraulic Systems

    HYDRAULIC SYSTEMS Fig. 4 ATTENTION: The burner is designed to accomodate the installation of light oil supply pipes on either side of the burner. It is necessary to install a filter on the fuel supply line. The pump is designed for use with a two-pipe system. In order to obtain one-pipe working, it is necessary to unscrew the return plug (2), remove the by-pass screw (3) and then screw the plug (2) up again, (see fig.

  • Page 8: Electrical Wiring

    ELECTRICAL WIRING WARNING: Do not swap neutral and phase over, follow the dia- gram shown carefully and carry out a good earth con- nection. The cross section of the wires must be at least 1 sq. mm. (Unless requested otherwise by local standards and legis- lation).

  • Page 9: Burner Operation

    BURNER OPERATION ATTENTION QUALIFIED PERSONNEL WITH THE RIGHT INSTRUMENTS MUST HANDLE THE BURNER'S START-UP. COMBUSTION ADJUSTMENT In conformity with Efficiency Directive 92/42/EEC, the application of the burner on the boiler, adjustment and testing must be carried out by observing the instruction manual of the boiler, including verification of the CO and CO concentration in the flue gases, their temperatures and the average temperature of the water in the boiler.

  • Page 10: Maintenance Position

    MAINTENANCE POSITION, (fig. 10 and 11) ACCESSIBILITY TO THE NOZZLE, THE DIFFUSER DISC AND THE ELECTRODES IS MADE EASY IN 2 WAYS: Unscrew and remove the fixing nuts to the Undo the wires (4) from the control box, the flange and remove the burner from the boiler. flame detector (8) and undo the nut (9) from the pump.

  • Page 11: Combustion Head Adjustment

    COMBUSTION HEAD ADJUST- Fig. 13 MENT, (see fig. 13) The adjustment of the combustion head varies depending on the burner output. Do the following to adjust it: Rotate the setting screw (11) clockwise or coun- terclockwise until the set-point marked on the regulating rod (12) is level with the outside plane of the nozzle-holder assembly (7).

  • Page 12: Operating Programme

    OPERATING PROGRAMME 4.8.1 NORMAL OPERATION WITH PREHEATING KEY TO LAY-OUT – Flame detector – Ignition transformer LED – Reset button LED indicating operating status MV – Fan motor TL – Limit thermostat V1 – Oil valve Green Yellow Yellow Green + Yellow slow blinking Green + Yellow fast blinking Loss of flame during operation (Recycle max.

  • Page 13: Lockout Due To Firing Failure

    4.8.2 LOCKOUT DUE TO FIRING FAILURE KEY TO LAY-OUT – Flame detector – Ignition transformer LED – Reset button LED indicating operating status MV – Fan motor TL – Limit thermostat V1 – Oil valve Green+Yellow Green Green + Yellow slow blinking D7360 Green + Yellow fast blinking Green...

  • Page 14: 4.8.4 Lockout Types And Triggering Times In Case Of Burner Malfunction

    COLOUR CODE OF THE CONTROL BOX RESET BUTTON LED Blinking Operating status LED colour codes speed Seconds Wait Led unlit Pre-purging Green Long pre-purging Green Transformer turn on Green + Yellow blinking Fast Regular flame Green + Yellow blinking Slow Post-purging Green + Yellow Recycle...

  • Page 15: Additional, Programmable Control Box Functions

    ADDITIONAL, PROGRAMMABLE CONTROL BOX FUNCTIONS 4.9.1 POST-PURGING FUNCTION (t6) Post-purging is a function that keeps air purging on even after the burner switches off. The burner switches off when the limit thermostat (TL) opens, consequently cutting off the fuel supply to the valves. To use this function the reset button must be pressed when the limit thermostat is not switched over (burner switched off).

  • Page 16: Maintenance

    MAINTENANCE Before carrying out any cleaning or control operation, cut off the electricity supply to the burner using the system's main switch and close the oil cut off valve. The burner requires periodic maintenance carried out by a qualified and authorised technician in conformity with legislation and local standards.

  • Page 17: Faults / Solutions

    SIGNAL PROBABLE CAUSE Loss of flame during operation: 7 pulses – poor burner regulation; – oil valve faulty or dirty; – flame detector faulty or dirty. Check and monitor oil heater (if fitted): 8 pulses – check the correct position of the bridge socket "P". ATTENTION To reset the control box after the diagnostics display, press the lockout-reset button.

  • Page 18: Operating Irregularities

    FAULT POSSIBLE CAUSES SOLUTION The ignition electrodes are wrongly Adjust them according to the instruc- positioned. tions of this manual. Burner starts with an Set the air output according to the in- Air output is too high. ignition delay. structions of this manual. Nozzle dirty or worn.

  • Page 19: Warnings And Safety

    SAFETY WARNINGS The dimension of the boiler’s combustion chamber must respond to specific values, in order to guarantee a combustion with the lowest polluting emissions rate. You are therefore advised to consult the Technical Assistance Department before choosing this type of burn- er for the combination with a boiler.
  • Page 20 RIELLO S.p.A. I-37048 Legnago (VR) Tel.: +39.0442.630111 http:// www.rielloburners.com...

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