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Bentone BG 300LN Installation And Maintenance Instruction

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Installation- and maintenance instruction
BG300LN
172 115 07 05-01
1

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Summary of Contents for Bentone BG 300LN

  • Page 1 Installation- and maintenance instruction BG300LN 172 115 07 05-01...
  • Page 2 178 026 72...
  • Page 3 DESCRIPTION BG300/400LN 1. Switch man-aut 9. Blast tube 16. Transformer 2. Switch 0-1 10. Gas nozzle 17. Gas burner control 3. Change -over switch 11. Connection gas fittings 18. Electric panel increasedecrease 12. Multibloc 19. Electrical connection 4. Indicating lamp Stage 1 13.
  • Page 4 TECHNICAL DATA Type designation BG 300LN ø110 Length of Measure A Standard The above dimensions are max. measurements. Depending on the com ponents used, the measurements may vary. 172 215 53 03-01...

  • Page 5: Output Range

    TECHNICAL DATA Type designation BG 300LN Output range Capacity Gas volume at a min. Gas volume at a max Max. inlet Rated inlet pressure output Nm output Nm pressure mbar mbar G20 51-120 kW G25 45-120 kW 14,6 Connection Motor...
  • Page 6 9. Air pressure switch 10. Gas burner control Pos. 5b, 7: Components not required according to EN 676. Required over 1200 kW according to EN 676. Incorporated in the MultiBloc When biogas is used, Bentone shall always be contacted. 172 415 05 03-01...

  • Page 7: Installation Example

    MOUNTING ON THE BOILER Fit the burner to the boiler by means of 4 bolts M10 (do not forget the flange gasket). For flange and bolt dimensions see Technical Data or use the fixing flange as a pattern. If for some reason you want to separate the combustion part from the fan housing part to mount the burner on the boiler, see General Instructions.

  • Page 8: Electric Equipment

    ELECTRIC EQUIPMENT Gas burner control: LMG22/LME22 Wiring diagram 1(2) 172 425 51 08-01...

  • Page 9: Operating Position

    ELECTRIC EQUIPMENT List of components A1 Gas burner control S12 Change-over switch, Increase- A2 Power control Reduce B1 Ionization electrode S15 Control thermostat, 3-pole F1 Operating fuse (only for 2-stage sliding) H1 Operating lamp Ignition transformer H3 Alarm signal 230 V Connection terminal board M1 Burner motor Earth terminal...

  • Page 10: Error Code Table

    ELECTRIC EQUIPMENT Control diagnosis under fault conditions and lockout indication Gas burner control: LMG ... Diagnosis of cause of fault After lockout, the red fault LED is steady on. For reading the cause of fault, refer to the blink code given in the following table: Red LED on Press lockout reset button for >...

  • Page 11: Electrical Equipment

    ELECTRICAL EQUIPMENT Control program when disruption; disruption display Gas burner control: LME..Colour codes Colour code table for multi-coloured signal lamps (Light diodes) Status Colour codes Colours Waiting time «tw», other waiting times Ignition phase, ignition checked Flashing yellow Normal operation Green Operation, poor flame signal Flashing green...
  • Page 12 ELECTRICAL EQUIPMENT Control program when disruption; disruption display Gas burner control: LME..Alarm control table Red flashing code on Possible causes signal lamp (LED) Flashing 2 x No flame at End of «TSA» •• - Defective or obscured flame monitor - Defective or obscured fuel valves - Poor burner installation - Defective ignition unit...

  • Page 13: Leakage Control

    MEASURES AND CHECKS BEFORE START-UP 2-Stage or modulating burners General rules Care should be taken by the installer to ensure that no electrical cables or fuel/gas pipes are trapped or damaged during installation or service/ maintenance. Inner assembly Ensure that the ignition and ionisation electrodes are correctly adjusted. The sketch (see separate page) shows the correct measurements.
  • Page 14 EASURES AND CHECKS BEFORE START-UP BG300 / 400LN Gas nozzle assembly Natural gas 12-14 172 155 05 01- 01...
  • Page 15 DETERMINATION OF GAS VOLUME FOR THE INSTALLATION Specifications on natural gas, town gas and biogas vary. For more exact information please contact the gas distributor. Net calorific value Gas quality kWh/Nm kJ/Nm kcal/Nm Natural gas 10.3 37 144 8 865 Propane 26.0 93 647...
  • Page 16 DUNGS COMBI BLOC WITH RATIO ADJUSTMENT MB-VEF BO1, 407 View 1. Electrical connection gas pressure switch mini 2. Electrical connection gas valve 3. Pressure switch mini 4. Flange connection inlet 5. Test point connection 1/8" before V 6. Filter 7. Data plate 8.

  • Page 17: Adjustment Possibilities

    MULTI-BLOC, MB-VEF 412 - 425 B01 Technical data Max inlet pressure 360 mbar Valves V class A group 2 in accordance with EN 161 Governor class A group 2 in accordance with EN88 Ratio V P 0,75:1-3:1 Filter according to DIN 3386 Ambient temperature -15°C- +70°C Protection standard type IP54 (according to IEC 529, DIN 40050) Gas family 1 +2 +3...
  • Page 18 ADJUSTMENT OF GAS FLOW - Before the burner starts vent the lines to make sure that there is gas available at the multibloc - Use an allen key size 2,5 mm for adjusting N and V. - Connect a pressure gauge for measur-ing P , (advisable to find out if the valves are open) - Set the switch in position MAN.

  • Page 19: General Instructions

    GENERAL INSTRUCTIONS General instructions The installation of the gas burner must be carried out in accordance with current regulations and standards. The installers of gas burners should therefore be acquainted with all regulations and ensure that the installation complies with the requirements. The installation, mounting and adjustment should be made with the greatest care and only the correct gas should be used Operating instructions...
  • Page 20 GENERAL INSTRUCTIONS Adjustment of shrouded disc and burner head The burner head is firm adjusted and there are no possibilities of settings besides the adjustment and the inspection of the ignition electrode and the ionisation electrode. Inspection of burner head when multi-bloc MB...407 The burner head, the shrouded disc and the electrodes can be inspected by following the instructions below: Loosen the nut a, the nut b to the impulse line P...

  • Page 21: General Instruction

    GENERAL INSTRUCTION Flame monitoring and measurement of ionisation current The burner is monitored according to the ionisation principle. Check the ionisation current on start-up and on each service call. The reason for a low ionisation current may be leaking currents, bad connection to earth, dirt or a faulty position of the flame electrode in the burner head.

  • Page 22: Uv-Detector

    GENERAL INSTRUCTION UV-detector This should not be exposed to temperatures exceeding 60°C. The current passing through the UV-detector, when it is being illuminated, should be at least 70 μ A for LFL1.. This current can be measured by means of a moving coil instrument.
  • Page 23 GENERAL INSTRUCTION Adjustment of air pressure switch The air pressure switch should stop the burner, if the air volume is reduced. The air proving device shall be adjusted in such a way that if there is insufficient air supply at the highest or lowest burner operating stage, the device operates before the supervised pressure is less than 80% of the pressure at the controlled stage and the CO content of the combustion products exceeds 1% by volume.
  • Page 24 HANDING OVER OF THE INSTALLATION - Make repeated start attempts to ensure that the adjustments function. - Close the ball valve during operation to check that the gas switch switches off at the set value. - Remove the hose for the air pressure switch to check that the burner locks out.

  • Page 25: Gas Burner

    FAULT LOCATION GUIDE Gas burner The basis for a trouble free operation can only be ensured by the correct combined effect of the three factors: electricity, gas flow and combustion air. Should any of these factors change, troubles may arise. It has been proved that many troubles have rather simple causes.
  • Page 26 Cause Remedy No flame establishment despite a trouble free start The gas solenoid valve defective Replace The gas solenoid valve does not open despite Replace coil or the whole valve if necessary. its obtaining voltage No voltage to the solenoid valve Check the contact No electrical connection through Test the adjustment and the function of the air pres-...
  • Page 27 Cause Remedy Pulsations at start The ignition electrodes are wrongly adjusted Re-adjust. The gas pressure is too high Check and adjust by means of a pressure gauge and a pressure adjustment valve. The flue gas side is blocked Check the chimney flue. Pulsations during operation The burner is not correctly adjusted Re-adjust...

  • Page 28: Declaration Of Conformity

    (name, type or model, batch or serial number, possible sources and number of items) BG 100, BG 150, BG 200, STG 120, STG 146, BG 300,BG 300LN, BG 400, BG 400LN BG 450,BG 450LN, ......................................

This manual is also suitable for:

Bg 400ln

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