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178 088 35-7  P93783
2023-01-11
Providing sustainable energy solutions worldwide
Installation- and maintenance instruction
BFG 1-2 H3
LME22.233C2
MB-ZRDLE 407
Translation of the original instructions.

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Summary of Contents for Bentone BFG 1-2 H3

  • Page 1 178 088 35-7  P93783 2023-01-11 Providing sustainable energy solutions worldwide Installation- and maintenance instruction BFG 1-2 H3 LME22.233C2 MB-ZRDLE 407 Translation of the original instructions.
  • Page 2 1~230V 1,0A 50Hz IP 20 Motor supply MADE IN SWEDEN BY 1. Manualer på övriga språk 1. Manuals in other languages 1. Manualer på andre sprog 2. www.bentone.com\ 2. www.bentone.com\ 2. www.bentone.com\ nedladdning eller scanna download or scan QR-code. download eller scan QR-koden.
  • Page 3: Table Of Contents

    Startup ................... 21 Control of combustion .............. 21 Technical data ...............6 6.5 Setting the air pressure switch ..........22 Dimensions BFG 1-2 H3 ............... 6 6.6 Setting the gas pressure switch, min........23 Capacity range ................7 Gas categories, approved gases ..........7 Gas valve, MultiBloc ZRDLE 405-420 ........24 2.4...
  • Page 4: General Information

    Make sure that the burner is suitable for the application (see Technical • Data). All components must be installed without being bent, twisted or • subjected to mechanical or thermal forces that affect components. 172 515 01-2  2021-10-05 Bentone...
  • Page 5: What To Do If You Smell Gas

    Prevent open fl ames or sparking, e.g. do not turn lights on or off, do • not use any electrical appliances or mobile phones. • Evacuate the building. Notify the installer or gas supplier of the problem so that it can be • rectifi ed. Bentone...
  • Page 6: Technical Data

    Operation in installations according to EN 303 and EN 676. • Fuels: Natural gas H, E, L, LL. • LPG, Butane and Propane. • Dimensions BFG 1-2 H3 The above-mentioned measurements are maximum measurements. They can vary, depending on which components are used. Dimensions flanges 2.1.1 Flange 23,5 109,5 172 525 45-3  2023-01-11...
  • Page 7: Capacity Range

    Alt.2 The burner’s noise level can be reduced by connecting the burner’s air intake to the air duct that opens into an appropriate location. Installation must be done so it does not prevent air supply to the burner. Bentone BFG 1...
  • Page 8: Model Bfg 1 H3

    Do not exceed working field. -0,5 Air damper, first stage Air damper, second stage Scale Brake plate adjustment 22,0 20,0 18,0 16,0 14,0 12,0 10,0 Scale value valid at 0 mbar in furnace pressure. Burner output Bentone BFG 1...
  • Page 9: Components

    Protective cover start gas adjustment Adjustment regulator pressure Electrical contact, gas valve Electrical contact, gas pressure switch S9 Gas pressure switch Connection gas valve Ignition transformer Gas burner control Electrical contact, X3 (see wiring diagram) Motor Capacitor Flame tube Bentone BFG 1...
  • Page 10 (indicates the air setting) Air intake Reset button Nozzle assembly adjustment under cover plate Cover plate Screw for division of burner in front and rear part Nozzle assembly Brake plate Ignition electrode Ionisation electrode 26 25 Nozzle Bentone BFG 1...
  • Page 11: Skeleton Diagram

    Gas pressure switch, min. Gas pressure switch, max. Main valve Safety valve Leakage control Air pressure switch Gas burner control Pos. 5b: Components not required acc. to EN 676. Required above 1200 kW acc. to EN 676. 172 515 79  2023-01-09 Bentone...
  • Page 12: Installation

    Connection must be done in accordance with the applicable • regulations. • Connection must conform to the wiring diagram. If any electrical connection other than that recommended by Enertech is used, there is a risk of property damage and personal injury. 172 535 09-2 Bentone...
  • Page 13: Electric Equipment

    The cables of the safety system must be separated so that the outgoing signal is not placed in the same cable as the incoming signal. Wiring diagram Brown Blue Green Yellow Gn/Ye Green/Yellow Black Grey White Orange Violet 172 615 80-2 Bentone...
  • Page 14: Function Lme

    Postignition time 2.5 s Safety lockout time < 3 s Reset time after lockout < 1 s Reaction time on fl ame failure < 1 s Min. ionisation current at fl ame 5 µA Max. ionisation current 20 µA Bentone...
  • Page 15: Control Program At Faults; Fault Mode Indicator Lme

    > 3 s 4.4.3 Limiting of starting repetitions LME 11... has a function with start repetition if the flame is not created at start or disappears during operation.. LME 11... allows max. three repetitions during continuous starting cycle. Bentone...
  • Page 16 To change to interface mode, press and hold the reset button longer than 3 s. To go back to the normal position, press and hold the reset button longer than 3 s. If the gas burner control is in the alarm position, it is reset by pressing the reset button 0.5...3 s. Bentone...
  • Page 17: Mounting

    X2 according to the wiring diagram. Turn off the main switch. Connect the Eurostecker X2 acc. to Alt. 1 - 3, (see Electric equipment). Install the Eurostecker X2 on the burner. Turn on the main switch. 172 525 26-2 Bentone BFG 1...
  • Page 18: Gas Quality

    1.5 x max inlet pressure or min. 150 mbar. If leaks are found during measurement, locate the source using soapy water or leak detection spray. After sealing: check the tightness of the gas fixture again. Check the gas tightness. Bentone BFG 1...
  • Page 19: Calculation Of Gas Flow

    Natural gas 34.02 Butane 32.25 29.25 Natural gas Propane 24.44 88.00 Lower calorific value H at normal conditions 15 °C and 1013 mbar, EN 676. For exact calorific value of the gas, contact the gas distributor. 172 535 48 Bentone...
  • Page 20: Settings

    The adjustment should be performed alternately: first adjustment of the minimum load followed by adjustment of the maximum load and then repeat the procedure unless acceptable combustion is achieved. 172 525 46-2 Bentone BFG 1...
  • Page 21: Startup

    Gas quality % CO Lambda 1.2 11.9 ≈10 Natural gas 3 - 5 13.9 ≈11.5 Propane 3 - 5 ≈11.5 Butane 3 - 5 14.1 Liquefied ≈11 3 - 5 13.8 petroleum gas Biogas 3 - 5 Bentone BFG 1...
  • Page 22: Setting The Air Pressure Switch

    Measure and note the lowest air pressure in the entire work area. Set the air pressure switch to about 10-15% lower than the lowest noted pressure. Test run the burner and check the function in the entire work area. Refi t protective cover. 172 535 11-2 Bentone...
  • Page 23: Setting The Gas Pressure Switch, Min

    When the gas pressure switch stops the burner, the measured value must approximately correspond to the setting on the gas pressure switch. Open ball valve. Remove manometer and close measuring socket. Refi t protective cover. Check gas tightness. 172 535 12-2 Bentone...
  • Page 24: Gas Valve, Multibloc Zrdle 405-420

    Main valve Turn to the left = the start gas fl ow is Knob for adjustment of stage 1 increased. Test nipple, pressure after governor Test nipple for nozzle pressure Filter Fixing fl ange Ball valve 172 515 11  2018-01-03 Bentone...
  • Page 25 Turn to the right = the outlet pressure is increased Turn to the left = the outlet pressure is reduced Adjustment of start gas flow Adjustment of governor Gas valve, MultiBloc ZRDLE 405-420 Flow adjustment Bentone...
  • Page 26 7.6.1 Pressure taps 1,2,3,4,5 1/8 screwed sealing plug 7.6.2 Electrical connection S 20/S 50 Bentone...
  • Page 27: Service

    Replacement upon fault detection Gas pressure switch 10 years 250,000 starts Safety blow-off system 10 years Damper motor 500,000 starts Contactor 10 years 500,000 starts The burner and its components must be recycled according to applicable regulations. 172 615 88-2  2022-09-08 Bentone...
  • Page 28: Combustion Device

    Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. When servicing/replacing components which affect the combustion, gas side leakage analysis and check should be performed on the system. 172 625 15-2 Bentone BFG 1...
  • Page 29: Fan Motor Replacement

    Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. When servicing/replacing components which affect the combustion, gas side leakage analysis and check should be performed on the system. 172 625 16-2 Bentone BFG 1...
  • Page 30: Air Intake And Suction Cone

    Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. When servicing/replacing components which affect the combustion, gas side leakage analysis and check should be performed on the system. 172 625 20-2 Bentone BFG 1...
  • Page 31 Connect the electrical contact to the damper motor. Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. When servicing/replacing components which affect the combustion, gas side leakage analysis and check should be performed on the system. Bentone BFG 1...
  • Page 32: Fan Wheel

    Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. When servicing/replacing components which affect the combustion, gas side leakage analysis and check should be performed on the system. 172 625 18-2 Bentone BFG 1...
  • Page 33: Electrical Package

    Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. When servicing/replacing components which aff ect the combustion, gas side leakage analysis and check should be performed on the system. 172 625 21-2 Bentone BFG 1...
  • Page 34 When the ignigtion transformer, air switch, gas switch and gas burner control contained in the electrical package are being replaced, no work needs to be done in the socket. When servicing/replacing components which affect the combustion, gas side leakage analysis and check should be performed on the system. Bentone BFG 1...
  • Page 35: Control Of Flame Monitoring And Ionization Current

    Required current to ensure detection Min. DC 3 µA Possible detection current Max. DC 20 µA Operational indicator lamp flashes green <5 µA DC Operational indicator lamp shines green >5 µA DC 8.8.1 Flame monitoring ionisation 172 615 02-3 Bentone...
  • Page 36 Max. current for flame detection Max. DC 5.5 µA Required current to ensure detection Min. DC 40 µA Possible detection current Max. DC 60 µA Operational indicator lamp flashes green <45 µA DC Operational indicator lamp shines green >45 µA DC Bentone...
  • Page 37: Handing Over Of The Installation

    Instruct the persons in charge of the operation on the service and • maintenance of the installation and what to do should any troubles occur. Inspection and service must be carried out by authorized personnel. • Review and service should be performed by authorised personnel only. 172 615 04-2 Bentone...
  • Page 38: 10. Troubleshooting

    Voltage lower than 185V. Contact an electrician. Ignition electrodes disrupting ionisation current. Adjust ignition electrodes. Re-polarise the transformer. Poor earth connection. Ensure adequate earth connection. Phase and neutral swapped around. Check wiring diagram and change accordingly. 172 615 06  2018-01-10 Bentone...
  • Page 39 Flame at incorrect angle due to combustion head out of Check the combustion head and readjust. position. Condensation build up in boiler and chimney: Raise the flue gas temperature by increasing gas volume Insulate Flue gas temperature too low or gas volume too low. the chimney. Bentone...
  • Page 40: 11. Service- And Inspection Protocol

    11. Service- and inspection protocol Installation Boiler Efficiency kW: Name: Type: Address: Burner Efficiency kW: Type: Installed by: Date: Date gas/h Efficiency Governor Fluegas Ionisation Pressure temp current Fire Chimney room Measure- °C µ A ment Before After mbar mbar Small Flame Large Flame...
  • Page 41 EU Declaration of conformity Bentone Gas Burners Certifi cate No. Certifi cate No. Type: Type: BFG 1 CE-0123CT1269 BG 550 CE-0123CT1326 STG 120 CE-0123CT1270 BG 650 CE-0123CT1348 STG 146 CE-0123CT1281 BG 700 CE-0123CT1359 BG 300 CE-0123CT1292 BG 800 CE-0123CT1360 BG 400...
  • Page 42 UK Declaration of conformity Bentone Gas Burners Type: BFG 1 BG 300 BG 550 BG 800 STG 120 BG 400 BG 650 BG 950 STG 146 BG 450 BG 700 This declaration of conformity is issued under the sole responsibility of the manufacturer.
  • Page 44 Enertech AB. P.O Box 309, SE-341 26 Ljungby www.bentone.com...

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