Bentone BG 400 Installation And Maintenance Instruction
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Bentone BG 400 Installation And Maintenance Instruction

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178 028 73-3
2019-09-24
Providing sustainable energy solutions worldwide
Installation- and maintenance instruction
BG 400

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  • Page 1 178 028 73-3 2019-09-24 Providing sustainable energy solutions worldwide Installation- and maintenance instruction BG 400...
  • Page 2 Bentone...

  • Page 3: Table Of Contents

    2. Technical data __________________________________________________ 7 2.1 Burners are intended for use at: ________________________________ 7 2.2 Dimensions _________________________________________________ 7 2.3 Description BG 400 _________________________________________ 10 3. General instruktions ____________________________________________ 11 3.1 General instructions _________________________________________ 11 3.2 Installation and maintenance instructions _______________________ 11 3.3 Instructions ________________________________________________ 11...

  • Page 4: General Information

    • Burner pipes, fan wheels and air dampers may contain sharp edges. • The surface temperature of the burner’s components can exceed 60 °C. • Caution: The burner has moving parts, and there is risk of crushing injuries. 172 515 01 2018-01-02 Bentone...
  • Page 5 Open windows and doors. Close the gas ball valve. Warn residents; do not use doorbells. Evacuate the building. Notify the installer or gas supplier once the building has been evacuated. Bentone...
  • Page 6 Delivery check • Make sure everything is delivered and the goods have not been damaged during transit. • If something is wrong with a delivery, report it to the supplier. • Transport damage must be reported to the shipping company. Bentone...

  • Page 7: Technical Data

    Length of burner Flange Burner tube Burner tube Type tube measure A measure B measure C Standard 1 ø140 ø110 BG 400 Standard 2 ø140 ø110 *410 *506 **200 BG 400 2.2.1 Heat generator connection dimensions ø 175-240 ø145(***115) BG 400 * The above dimensions are max.
  • Page 8 BG, CZ, DE, EE, ES, FR, GR, HU, IS, IT, LU, 2R/3R LV, NO, PT, SI, All countries 20-360mBar AT, CH, CY, DK, FI, LT, RO, SE, SK 2H3B/P 20-360mBar GB, IE, 2H3P 20-360mBar NL, RO 2L3B/P 20-360mBar 2E3B/P 20-360mBar 2E(R)B 20-360mBar Bentone...
  • Page 9 2.2.5 Working field BG 400 G20, G25 61-320 kW G30, G31 61-340 kW mbar Do not exceed working field 2.2.4 Electric Specification EN 60335-2-102 Burner correspond to IP20 Type BG 400 Motor 250W 230V 1,7A 50Hz The recommended main fuse...

  • Page 10: Description Bg 400

    2.3 Description BG 400 Components Cover, inspection glass Air damper Motor Air pressure switch Air intake Ignition electrode Air adjustment Gas pressure switch Transformer Inner assembly adjustment Ball valve Ionization electrode (not town gas) Control box Inner assembly Multibloc Electrical connection...

  • Page 11: General Instruktions

    Adjust the burner to appr. 20% excess air in accordance with the table. Check the flue gas temperature. Calculate the efficiency. Check also the actual gas volume on the gas meter so that the correct input is achieved. 172 515 03 2018-01-02 Bentone...

  • Page 12: Installation

    If not, use the connectors included. (Refer to connection under Electric equipment) If an electric connection other than the one recommended by Enertech is used, a risk of damage and injury can arise. 172 515 03 2018-01-02 Bentone...

  • Page 13: Skeleton Diagrams, 1-Stage Burner

    Gas pressure switch, maxi Main valve Safety valve 1)7. 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.hhh 172 515 04 2018-01-02 Bentone...

  • Page 14: Mounting On The Boiler

    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 inspection and service. Check the gas tightness. 172 515 06 2018-01-02 Bentone...

  • Page 15: Inspection Of Gas Nozzle Before Commissioning

    At the end of the safety time (2-3 sec.) the gas control locks out. The solenoid valve and the motor will be "dead". Remove the link from the gas pressure switch after the test is finished. 172 515 07 2018-01-02 Bentone...

  • Page 16: Gas Nozzle

    4.8 Gas nozzle Natural gas Propan Biogas (UV detector) 172 515 07 2018-01-02 Bentone...

  • Page 17: Setting The Burner

    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. Control of burner head 172 515 09 2018-01-02 Bentone...
  • Page 18 Gas quality max. CO lambda 1,2 Open the ball valve and switch on the main switch. If the Natural gas 10,0 11,9 burner starts the actual adjustment can be made. 11,5 13,9 172 515 09 2018-01-02 Bentone...

  • Page 19: Setting The Air Pressure Switch

    This is to ensure the reliable function of the burner. If breakdowns or interruptions occur, the air pressure switch is probably set to a too narrow position. Fit the protective cover, screw (Y). 172 515 09 2018-01-02 Bentone...

  • Page 20: Setting The Min. Gas Pressure Switch

    The tolerance on the scale for the min. gas pressure switch is approx. ±15%. Open the ball valve. Remove the pressure gauge and close the pressure outlet (X). Check the gas tightness. Fit the protective cover, screw (Y). 172 515 09 2018-01-02 Bentone...

  • Page 21: Mb-Dle Bo1, 405 - 412

    Output flange Gas flow direction Test point connection G 1/8 upstream of V1, possible on both sides Vent nozzle, regulator Filter (below flange) Input flange Pressure switch Electrical connection for valves (DIN EN 175 301-803 connector) 172 515 12 2018-01-03 Bentone...
  • Page 22 405 - 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. flow. Adjustment of start gas flow Adjustment of governor Bentone...
  • Page 23 5.6.1 Pressure taps 1,3,4,5 G 1/8 screwed sealing plug 2 Measuring nozzles 5.6.2 Electrical connection S 20/S 50 Bentone...

  • Page 24: Recommended Excess Air When Using Default Setting

    Lower heat value Hu at normal state 15°C and 1013.25 mbar EN676 Grade of gas kWh/Nm MJ/Nm kcal/Nm Natural gas 34.02 8126 Natural gas 29.25 6986 Propane 24.6 88.00 21019 Butane 32.5 116.09 27728 172 515 13 Bentone...
  • Page 25 Temperature of gas at the gas meter [°C] Barometer reading [mbar] Pressure of gas at the gas meter [mbar] Factor calculated for multiplication with flow in Nm /h to arrive at actual flow in Nm Actual flow · 273+T 1013.25 Bentone...

  • Page 26: Calculating The Quantity Of Gas Supplied

    = Time for a certain quantity of gas consumed by the burner. M = Quantity of gas consumed. V = Actual gas flow Calculation example: t = 1 min 10 s M = 330 dm (litre) 0.33 m 1000 0.0194 h 3600 0,33 ≈ 17 m 0.0194 Bentone...

  • Page 27: Service

    Check the ionisation electrode (see chapter Gas nozzle). Replace if necessary. Fit the combustion assembly in reverse order. Press the burner together and lock using the nuts (B). Fit the Euro plugs and turn on the main power supply. Check/adjust the combustion. 172 615 01 2018-01-02 Bentone...

  • Page 28: Servicing Air Dampers

    Turn the damper and then lift up the damper and damper plate. Clean the air damper and intake. Lubricate the damper shaft, if so equipped. Refit the damper and damper plate. Adjust the damper before tightening the screws (d). Install the intake grille for the air intake. Check/adjust the combustion. Bentone...

  • Page 29: Flame Monitoring And Ionisation Current Check

    Technical data For continuous operation! Idle voltage at ION-terminals 230 V Protect the ionisation electrode from electric shock! Required current to ensure Min. DC 3 µA detection Possible detection current Max. DC 100 µA 172 615 49 2018-01-02 Bentone...

  • Page 30: Flame Supervision With Uv Detector

    Temperature or pressure controller Safety limit thermostat GP/SB bl gr AGQ1...A27 br bl gr Limit thermostat or pressure AGQ1...A27 switch * With LGB41: Terminal 3 blue brown grey (old: rt = red) Measurement made on the flame detector black Bentone...

  • Page 31: Handing Over Of The Installation

    • Is the circulation pump in operation? • Is there a supply of fresh air to the installation? • If integral components are of a different make from what is stated in this manual, see the enclosed loose-leaf. 172 615 04 2018-01-02 Bentone...

  • Page 32: Electric Equipment

    Signals must be in different harnesses for safety reasons. Safety system as door switches, water level, pressure, temperature and other safety limiters must be installed in safety loop according to process. 172 615 50 2018-03-26 Bentone...

  • Page 33: Wiring Diagram Lgb

    9.2 Wiring diagram LGB 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. Bentone...

  • Page 34: Control Program At Faults; Fault Mode Indicator Lgb

    Fault condition because no flame signal available after elapse of the 1st safety time Release of the 2nd fuel valve (LGB21) Release of the load controller LR (LGB22) Partial or full load operation (or return to the operating position) Bentone...
  • Page 35 9.4.1.2 Resetting the burner controls The controls can be reset immediately after any fault condition. The programme reverts to its start position and programmes the controls for restarting the burners. 9.4.1.3 Connecting signal amplifier A1 = LGB Q1 = AGQ 1... Bentone...

  • Page 36: Troubleshooting

    Replace solenoid valve terminals, or entire valve No power to solenoid valve Check the connection No electrical connection through air pressure gauge Check the air pressure gauge’s settings and functions Ignition load incorrectly set Increase/decrease gas supply Reduce airflow 172 615 06 2018-01-10 Bentone...
  • Page 37 Incorrectly set or faulty air sensor Check the settings and reset, or replace Ignition electrode overload Replace Burner control ambient temperature too high Insulate for heat, Max. 60 ° Ignition spark too weak Check the transformer Poor combustion Poor draught conditions Check the chimney Bentone...
  • Page 38 Flame at incorrect angle due to combustion head out of position Check the combustion head and readjust Condensation build up in boiler and chimney Flue gas temperature too low or gas volume too low Raise the flue gas temperature by increasing gas volume Insulate the chimney Bentone...

  • Page 39: General Instructions For Gasburners

    11. General instructions for gasburners 11.4.1 Installation Follow standards and instructions applicable to the Check that the burner is adapted to the gas quality in installation of gas burners question Ensure that the electric installation is made in accordance Check that the input pressure of the gas is correct with existing regulations Check that the dampers of the boiler are open Check that the fresh air intake of the boiler room is...
  • Page 40 Service- and inspection card Installation Boiler Name: Type: Efficiency kW: Address: Burner Type: Efficiency kW: Installed by: Date: Date gas/h Governor Fluegas Ionisation Pressure Efficiency temp current Fire Chimney room Measu- rement Before After °C µ A mbar mbar Small Flame Large Flame...
  • Page 44 Enertech AB. P.O Box 309, SE-341 26 Ljungby. www.bentone.se, www.bentone.com...

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