Enertech Nu-Way MGN320 S1L 355 Installation And Maintenance Instruction

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178 027 73
Providing sustainable energy solutions worldwide
Installation- and maintenance instruction
MGN320 S1L 355

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Summary of Contents for Enertech Nu-Way MGN320 S1L 355

  • Page 1 178 027 73 Providing sustainable energy solutions worldwide Installation- and maintenance instruction MGN320 S1L 355...
  • Page 3 DESCRIPTION Components 8. Air dampe 16. Motor 1. Cover,inspection glass 9. Air intake 17. Ignition electrode 2. Air pressure switch 10. Gas pressure switch 18. Transformer 3. Air adjustment 11. Ball valve 19. Ionization electrode 4. Inner assembly adjustment 12. Control box 20.
  • Page 4: Technical Data

    TECHNICAL DATA Type designation BG 400 Dimensions Length of burner tube Measure A Standard Long design The above dimensions are max. measurements. Depending on the compo- nents used, the measurements may vary. Output range Type Capacity Gas volume at a min. Gas volume at a max Max.
  • Page 5 TECHNICAL DATA Dimensions of lange ø140 172 215 30 07-01...
  • Page 6 SKELETON DIAGRAMS, 1-STAGE BURNER Incorporated in the MultiBloc Pos. 5b, 7: Components not required 1. Ball valve 6a. Main valve 2. Filter 6b. Safety valve according to EN 676. 3. Governor 7. Valve proving system 4. Pressure gauge with shut-off cock 9. Air pressure switch Required over 1200 kW according to EN 676.
  • Page 7: Mounting On The Boiler

    MOUNTING ON THE BOILER Remove the combustion unit from the Removal of fan house unit from Installation example burner. Fit the enclosed lange and burner. Connect the gas to the burner by gasket to the boiler. If new ixing holes Loosen the screws. Swing out the fan means of the ball valve.
  • Page 8: Electric Equipment

    ELECTRIC EQUIPMENT Gas burner control: LGB21/LMG21/LME11/LME21 Wiring diagram If there is no plug-in contact (X2) on the boiler, connect to the contact enclosed. In case the twin thermostat is in series on incoming phase L1, a loop between the terminals T1 and T2 is necessary.
  • Page 9 ELECTRIC EQUIPMENT Control diagnosis under fault conditions and lockout indication Gas burner control: LGB Lock-out and Control Programme Indication The position of the cam can be read through the sight-glass. Under fault condition the programme is stopped and thus also the lock-out indicator. The symbol visible on the cam indicates both the position in the programme run and the type of fault.
  • Page 10 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: Press lockout reset button Red LED on LED on (waiting time≥10 s) Blink code...
  • Page 11 ELECTRIC EQUIPMENT Control diagnosis under fault conditions and lockout indication 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 •○...
  • Page 12 ELECTRIC EQUIPMENT Control diagnosis under fault conditions and lockout indication Gas burner control: LME... Alarm control table Red lashing code Possible causes on signal lamp (LED) • No lame at End of «TSA» Flashing 2 x – Defective or obscured lame monitor •• – Defective or obscured fuel valves – Poor burner installation –...
  • Page 13 MEASURES AND CHECKS BEFORE START-UP, 1-STAGE BURNER General rules Leakage control Care should be taken by the installer (0,5-2,5 sec. dependent on the design When making a leakage control of the to ensure that no electrical cables or of the gas control). The gas valve is gas supply system the solenoid valve energized and opens and lame is fuel/gas pipes are trapped or damaged...
  • Page 14 MEASURES AND CHECKS BEFORE START-UP INNER ASSEMBLY Town gas INNER ASSEMBLY Natural gas, LPG Natural gas INNER ASSEMBLY Biogas (UV-detector) 172 205 78 07-01...
  • Page 15 DETERMINATION OF GAS VOLUME FOR THE INSTALLATION Speciications on natural gas, town Net caloriic value gas and bio gas vary. For more exact Gas quality kWh/Nm kJ/Nm kcal/Nm information please contact the gas Natural gas 10,3 37 144 8 865 distributor. Propane 26,0 93 647 22 350...
  • Page 16 ADJUSTMENT OF MULTI-BLOC, MB-DLE 405-420 Max. inlet pressure: 360 mbar. Adjustable governor pressure: 405 - 412 S50 = 4 - 50 mbar 415 - 420 S20 = 4 - 20 mbar 415 - 420 S50 = 20 - 50 mbar Solenoid valve: Slow opening valves with adjustable start load and max. low.
  • Page 17: General Instructions

    GENERAL INSTRUCTIONS Adjustment of burner A general rule is that the lower capacity Service the smaller the opening between The burner is from the factory pre-set Service should only be carried out by qualiied personnel. Replacement brake plate and combustion device. to an average value that must then be adjusted to the boiler in question.
  • Page 18 GENERAL INSTRUCTIONS, 1-STAGE BURNER Air adjustment Loosen the stop screw and turn the knob along the scale to the desired position and tighten the screw. Check the air adjustment by making a lue gas analysis. Adjustment of brake plate Loosen the screw on the adjust- ment device. - To reduce the opening: turn the knob to the left.
  • Page 19: General Instruction

    GENERAL INSTRUCTION Flame monitoring and measure- Adjustemnt of max. gas pressure Adjustment of air pressure switch ment of ionisation current switch The air presure switch should stop the The burner is monitored according The burner is equipped with a max. burner if the air volume is reduced.
  • Page 20 FINAL TEST OF THE INSTALLATION – Make repeated start attempts to Fault location, functional troubles ensure that the adjustments Trouble free operation is dependent on three factors: electricity, gas and air function. supply. Should there be any changes – Close the ball valve during in the ratio between these three factors operation to check that the gas there is a risk of break downs.
  • Page 21: Gas Burner

    FAULT LOCATION GUIDE Gas burner To facilitate fault location we have drawn up a scheme The basis for trouble free operation can only be ensured by the correct combined effect of the three factors: showing the most frequent faults in a gas burner instal- electricity, gas low and combustion air. Should any of lation and the remedies. these factors change troubles may arise.
  • Page 22 REMEDY CAUSE The cable shoes have bad contact Improve the contact The ignition cables are damaged Replace The ignition transformer is damaged, no voltage Replace the transformer on the secondary side The ignition cable and the ionisation cable have Change been transposed.
  • Page 23 REMEDY CAUSE Voltage lower than 185 V Contact the electricity authorities. The ignition electrodes are disturbing the Adjust the ignition electrodes, repole the ignition ionisation current transformer if necessary. Bad earthing Arrange for proper earthing. Phase and neutral transposed See wiring diagram and change. The burner locks out during pre-purge Air pressure switch defective or incorrectly adjusted The starting load is not correctly adjusted...
  • Page 24 REMEDY CAUSE The ambient temperature of the gas relay is too high Heat insulate, max. 60° C. The ignition spark is too weak Check the transformer Bad combustion Bad draught conditions Check the chimney The lue gas temperature is too high The boiler is overloaded. Reduce the quantity of gas. The CO -content is too low Check the boiler with regard to leaks.
  • Page 25: Declaration Of Conformity

    CE-0085 AU 0156 BG450 Enertech AB declares that the above-mentioned products Enertech AB erklärt hiemit, dass oben genannten Produkte mit comply with the following standards or other normative den folgenden Normen oder anderen normativen Dokumenten documents and meet applicable sections of the EU directive.
  • Page 28 Enertech AB. P.O Box 309, SE-341 26 Ljungby. www.bentone.se, www.bentone.com...

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