Bentone BG 550-2 LME22 Installation And Maintenance Instruction

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178 073 82-3
P93783  2023-03-03
Providing sustainable energy solutions worldwide
Installation- and maintenance instruction
BG 550 M
LME22.233C2
MB-VEF 415
Translation of the original instructions.

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Summary of Contents for Bentone BG 550-2 LME22

  • Page 1 178 073 82-3 P93783  2023-03-03 Providing sustainable energy solutions worldwide Installation- and maintenance instruction BG 550 M LME22.233C2 MB-VEF 415 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

    Handing over of the installation ........38 Gas supply ..................16 Troubleshooting ..............39 Electric connection ..............16 Service- and inspection protocol ........41 Handling and lifting instruction ..........17 Mounting ................18 Gas nozzle..................19 De-aerating ................... 20 Leakage control ................20 5.4 Calculation of gas flow .............. 21 Bentone...
  • 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

    *343 **200 * The above dimensions are max. measurements. Depending on the components used, the measurements may vary. ** Min. recommended distance to fl oor. 2.1.1 Measurements for connection to the boiler (210) 255-290 Ø 170 172 535 79-1  2023-03-01 Bentone...
  • 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...
  • Page 8: Working Field

    Working field G20 140-650 kW mbar G25 140-600 kW Do not exceed working field. mbar G30, G31 - 140-628 kW Bentone...
  • Page 9: Components Bg 550 M

    Power switch 0-l Air damper Fan wheel Contactor + Overload Gas pressure switch, min Damper motor protection Brake plate Air pressure switch Burner Control Ignition electrode Fuse holder Gas fittings Nozzle Change-over switch, Gas valve (MultiBloc) increase-decrease Ionisation electrode Bentone...
  • Page 10 Bentone...
  • Page 11: Skeleton Diagrams

    Main valve, 2 -stage. In modulaing operation, this valve is equipped with controls for variable opening. Safety valve Valve proving system Air pressure switch Gas burner control Pos. 5b, 7: Components not required according to EN 676. Required over 1200 kW according to EN 676. 172 515 05  2018-01-02 Bentone...
  • Page 12: 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 19-2 Bentone...
  • Page 13: 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 14: Control Program At Faults; Fault Mode Indicator Lme

    > 3 s Pause code 3.4.3 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 15 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 16: 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 17: Handling And Lifting Instruction

    Handling and lifting instruction Lifting kits can be purchased as accessories. 172 515 34 Bentone...
  • Page 18: Mounting

    Connect the gas line, connect the supply cable, operating and safety circuits. Before obtaining access to electrical and fuel line components all supply circuits must be disconnected. 172 515 30-2  2022-09-21 Bentone...
  • Page 19: Gas Nozzle

    Gas nozzle Check that the ignition electrodes are correctly set before mounting on the boiler. Natural gas Propane Biogas (UV detector) Bentone...
  • Page 20: Aerating

    If leaks are found during measurement, locate the source using soapy water or leak detection spray. After sealing: check the leakage of the gas fixture again. Check for leaks in the gas line. Bentone...
  • Page 21: Calculation Of Gas Flow

    Natural gas 34.02 Butan 32.25 116.09 Natural gas 29.25 Propan 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 24-2 Bentone...
  • Page 22: Settings

    % CO Lambda 1.2 ≈10 Natural gas 3 - 5 11.9 ≈11.5 Propane 3 - 5 13.9 ≈11.5 Butane 3 - 5 14.1 Liquefi ed ≈11 3 - 5 13.8 petroleum gas Biogas 3 - 5 172 515 32-2  2022-09-28 Bentone...
  • Page 23: 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. Bentone...
  • Page 24: 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. Bentone...
  • Page 25: Setting Damper Motor, Modulating Operation

    • (increase). Adjust the amount of gas with screw V on the gas valve and check the combustion values. Solenoid valve High load (black) High load (red) Low load (orange) Closed air damper (blue) Release button 172 515 15-3  2022-11-25 Bentone...
  • Page 26: Gas Valve, Multibloc Vef 415-425 B01

    Test point connection 1/8" Pa before V2 (after Connection 1/8" P governor) Adjustment screw V for ratio P (max. load) Indication of V1 and V2 in operation (not standard) Test point connection 1/8" before V1 (before governor) 172 515 36  2018-01-16 Bentone...
  • Page 27: Technical Data

    – Impulse lines shall be as short as possible. Adjustment possibilities ∆ Adjustment range Effective burner pressure ∆ P Effective fan pressure ∆ ∆ P ∆ max. = 100 mbar MB-VEF Adjustment range N=+2 pBr, min =0,5 mbar ∆ ∆ N=-2 , max. = 100 mbar Bentone...
  • Page 28 7.3.1 Pressure taps MB-VEF 425 MB-VEF 415 MB-VEF 420 1, 2, 3, 4, 5 G1/8 screwed seal plug 9 Test nipple 6, 7, 8 Pulse lines P and P 7.3.2 Electrical connection S 10/S 30 S 12/S 32 Bentone...
  • Page 29: 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 30: 13.3 Combustion Device

    Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. Check for leaks in the gas line. When servicing/replacing components that affect combustion, flue gas analysis and soot test must be carried out following installation. 172 615 16-2  2022-09-23 Bentone...
  • Page 31: Air Damper

    Fit the intake grille. Press the burner together and lock with nut (C). Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. 172 625 03  2022-09-23 Bentone...
  • Page 32: Replacement, Damper Motor Air

    Refi t the damper motor and mounting plate, ensuring that the damper shaft and control arm are correctly connected. Connect the damper motor cable. Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. 172 625 04  2022-09-23 Bentone...
  • Page 33: Fan

    Refi t the parts. Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. When servicing/replacing components that aff ect combustion, fl ue gas analysis and soot test must be carried out following installation. 172 625 33 Bentone...
  • Page 34: Vibrations

    • Check tightness of fasteners. Check fan wheel for damage and contamination (replace if necessary). • Check motor shaft and bearings. If they are worn, replace the motor. • Use screw to attach the vibration sensor. 172 625 05  2022-09-23 Bentone...
  • 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 >5 µA DC Operational indicator lamp shines green 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 >45 µA DC Operational indicator lamp shines green Bentone...
  • Page 37: Replacement Of Electrical Components

    Switch on the main power and check the operation of the new component. Start burner and check/adjust combustion. When servicing/replacing components that affect combustion, flue gas analysis and soot test must be carried out following installation. 165 105 11-3 Bentone...
  • Page 38: 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 39: 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 40 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 41: 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 42 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 43 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 48 Enertech AB. P.O Box 309, SE-341 26 Ljungby www.bentone.com...

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