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Providing sustainable energy solutions worldwide

178 001 72-3 2017-10-12

Installation- and maintenance instruction

BG 300-2

Содержание Bentone BG 300-2

Страница 1: ...Providing sustainable energy solutions worldwide 178 001 72 3 2017 10 12 Installation and maintenance instruction BG 300 2 ...

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Страница 3: ...witch 6 Damper motor 7 Inner assembly adjustment not town gas 8 Flame cone 9 Connection gas ittings 10 Air damper 11 Air intake 12 Ignition electrode 13 Electric panel 14 Indicating lamp Stage 2 15 Indicating lamp Stage 1 16 Fan wheel 17 Motor 18 Ionization electrode 19 Transformer 20 Inner assembly 21 Nozzle 22 Brake plate ...

Страница 4: ...sure mbar Rated inlet pressure mbar G20 Naturalgas 50 200 5 20 300 20 G31 Propane 50 200 1 9 7 7 300 30 G25 Naturalgas 50 180 6 3 22 5 300 25 G30 Butane 65 200 1 9 5 9 300 30 Connection Motor Ignition transformer Natural gas Propane Butane 1 phase 0 18 kW Primary 230 V 1 A 1 2 800 r m 230 V Secondary 8 000 V 1 Caloriic value G20 Natural gas 10 0 kWh Nm3 G25 Natural gas 8 0 kWh Nm3 G31 Propane 26 k...

Страница 5: ...TECHNICAL DATA 172 215 29 08 01 DIMENSIONS OF FLANGE ø175 240 M10 ø120 ...

Страница 6: ...age When modulaing operation is required thisvalveisequippedwithcontrols for variable opening Incorporated in the MultiBloc 6b Safety valve 1 7 Valve proving system 8 Air damper motor 9 Air pressure switch 10 Gas burner control Pos 5b 7 Components not required according to EN 676 1 Requiredover1200kWaccording to EN 676 172 415 05 07 01 When Bio gas is used Bentone shall always be contacted ...

Страница 7: ...nd gasket to the boiler If new ixing holes must be drilled use the ixing lange as a pattern Removal of valve unit from burner Remove the plug in contact from the multi bloc Loosen the union nut absolutely straight MOUNTING ON THE BOILER Installation example Connect the gas to the burner by means of the ball valve Ensure that the union nut ball valve and tubing make it easy to remove the burner for...

Страница 8: ...172 425 28 16 01 ELECTRIC EQUIPMENT Gas burner control LME22 Wiring diagram If there is no Plug in contact X4 X6 on the boiler connect to the contact enclosed If S6 is missing connect T6 and T8 1 4 ...

Страница 9: ...ostat for full load are in positon ON The burner can alternate between full and low load depending on set temperature 7 Stop The operation of the burner can now be interrupted by means of the operating switch or the thermostat The control locks out The red lamp in the control is lit Restart the burner by pressing the reset button 2 4 List of components A1 Gas burner control B1 Ionization electrode...

Страница 10: ...ion LME 11 permits a maximum of three start attempts if the start cycle is uninterrupted Continuous Off Red Yellow Green Colour code table for multi coloured signal lamps Light diodes Status Colour codes Colours Waiting time tw other waiting times Off Ignition phase ignition checked Flashing yellow Normal operation Green Operation poor lame signal Flashing green Prohibited lame signal during start...

Страница 11: ... Connecting signal ampliier Alarm control table Red lashing code on signal lamp LED Possible causes Flashing 2 x No lame at End of TSA Defective or obscured lame monitor Defective or obscured fuel valves Poor burner installation Defective ignition unit Flashing 3 x LP defective No air monitor signal after t10 LP is welded in the open position Flashing 4 x Prohibited lame signal during start up Fla...

Страница 12: ...e that phase and neutral are not reversed The gas shut off cock should be closed To prevent the gas pressure switch from locking out it should be linked temporarily After the main switch has been switchedonandthethermostatshave been adjusted the pre purging period begins 30 35sec At the end of this period the pre ignition period starts 0 5 2 5sec dependentonthedesign of the gas control The gas val...

Страница 13: ...MEASURES AND CHECKS BEFORE START UP 172 205 78 07 01 INNER ASSEMBLY Town gas INNER ASSEMBLY Natural gas LPG INNER ASSEMBLY Biogas UV detector Natural gas LGP 2 5 8 ...

Страница 14: ... Net caloriic value Gas quality kWh Nm3 kJ Nm3 kcal Nm3 Natural gas 10 3 37 144 8 865 Propane 26 0 93 647 22 350 Butane 34 3 123 571 29 492 Town gas 4 9 17 653 4 213 Bio gas 7 0 25 219 6 019 V Gas volume Nm3 h Q Boiler output 120 kW Hu Caloriic value of the gas A 37 144 kJ Nm3 B 10 3 kWh Nm3 η Expected eficiency 90 Ex A v Q 3 600 120 3 600 12 9 Nm3 h Hu η 37 144 0 90 Ex B v 120 12 9 Nm3 h 10 3 0 9...

Страница 15: ...n red cam towards 90 If the red cam is moved change the black cam as much Adjust the operating switch to low load and check that the correct air volume has been obtained Note The blue cam is the limit position for fully closed damper and it is normally not necessary to change it Releasing button By pressing the button and snapping it down the motor will be released and the damper can easily be tur...

Страница 16: ...tart load stage 1 and stage 2 1 2 Components 1 Gas pressure switch 2 Inlet pressure 3 Governor with pressure adjustment 4 Hydraulic device adjustment of stage 2 5 Protective cover start gas adjustment 6 Lock screw for flow adjustment 7 Main valve 8 Knob for adjustment of stage 1 9 Test nipple pressure after governor 10 Test nipple for nozzle pressure 11 Filter 12 Fixing flange 13 Ball valve 1 2 3 ...

Страница 17: ...from governor by means of a screw driver Min and max outlet pressures correspond to appr 60 turns of the spring It is not possibletochangepressurespringsin order to change the outlet pressure Turn to the right the outlet pressure is increased Turn to the left the outlet pressure is reduced Adjustment of start gas low Remove the protective cover c Turn the adjustment knob d use the protective cover...

Страница 18: ...rer study the sections dealing with adjustments of multi bloc com bustion air and combustion head Open the ball valve and switch on the main switch If the burner starts the actual adjustment can be made Adjustment of burner head Theburnerisequippedwithanadjust ment device changing the position of thebrakeplateintheburnerhead This is used to adjust the correct pressure drop over the combustion devi...

Страница 19: ...ts the air low It is therefore always necessary to make a ine adjustment of the air by means of the air adjustment device of the burner Control of burner head Tochecktheburnerhead brakeplate and electrodes proceed as follows Loosen the nuts a Swing out the burner Remove the screw b and the knob for adjustment of burner head Loosen the screw c so much so that the inner assembly can be pulled out Ad...

Страница 20: ...re Decide on pressure at which the gas switch should switch off Set this pressure by means of the valve Carefully turn the knob see igure until the gas pressure switch switches off The value shown on the scale should then approximately cor respond with the value shown on the pressure gauge Tolerance on scale appr 15 Open the ball valve GENERAL INSTRUCTION Adjustemnt of max gas pressure switch The ...

Страница 21: ...oubles Trouble free operation is dependent onthreefactors electricity gasandair supply Should there be any changes intheratiobetweenthesethreefactors there is a risk of break downs It has been proved that most break downs are caused by simple faults Before callingtheserviceengineer thefollowing should therefore be checked Is the gas cock open Are all fuses in order and the current switched on Are ...

Страница 22: ...e Remedy The burner does not start No gas Check that all gas cocks are open No voltage Check fuses thermostats and electrical connections The burner motor fails to start The thermal protection has locked out Motor defective The gas relay is defective Replace Burner motor is running but no ignition after the pre purge time has elapsed No voltage on the terminals Check the contact Replace faulty rel...

Страница 23: ...rities The ignition electrodes are disturbing the ionisation current Adjust the ignition electrodes repole the ignition 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 Reduce or increase the gas supply Reduce the quantity of air Th...

Страница 24: ...nsformern Bad combustion Bad draught conditions Check the chimney The flue gas temperature is too high The boiler is overloaded Reduce the quantity of gas The CO2 content is too low Check the boiler with regard to leaks Choke the draught if it is too high The CO content is too high Excess air when using natural gas and gasoil propane butane Choke the air Air shortage Open the air supply Check the ...

Страница 25: ......

Страница 26: ...xample room ther mostat if any 4 Check that the gas pressure to the burner is sufficient 5 Check that the electric fuses have not blown 6 Make a new attempt to start the burner and check the counter of the gas meter to find out whether the solenoid valve opens 7 If the burner does not start in spite of repeated starting attempts call the installer Normal operation 1 Ensure that the air supply to t...

Страница 27: ...e ment Before After ppm C µ A mbar mbar Small flame Large flame Measures Date Nm3 gas h Governor O2 CO Flue gas temp Ionisa tion current Pressure Efficiency Fire room Chimney Measure ment Before After ppm C µ A mbar mbar Small flame Large flame Measures Date Nm3 gas h Governor O2 CO Flue gas temp Ionisa tion current Pressure Efficiency Fire room Chimney Measure ment Before After ppm C µ A mbar mba...

Страница 28: ...Enertech AB P O Box 309 SE 341 26 Ljungby www bentone se www bentone com ...

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