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178 033 76-3
2018-03-27
Providing sustainable energy solutions worldwide
Installation- and maintenance instruction
BG 450 M

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Summary of Contents for Bentone BG 450 M

  • Page 1 178 033 76-3 2018-03-27 Providing sustainable energy solutions worldwide Installation- and maintenance instruction BG 450 M...
  • Page 2 Bentone...
  • Page 3: Table Of Contents

    9. Electric equipment _____________________________________________ 35 9.1 Safety system ______________________________________________ 35 9.2 Wiring diagram LFL1..______________________________________ 36 9.3 List of components __________________________________________ 37 10. Troubleshooting _____________________________________________ 39 11. EU Declaration of conformity _________________________________ 42 13. General instructions for gasburners ____________________________ 43 Bentone...
  • 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

    2.2.1 Heat generator connection dimensions (Ø 210) Ø 255-290 Ø 170 BG 450 * The above dimensions are max. measurements. Depending on the components used, the measurements may vary. ** Min. recommended distance to l oor. 172 515 28 2018-01-12 Bentone...
  • Page 8 BG, CZ, DE, EE, ES, FR, GR, HU, IS, 2R/3R IT, LU, LV, NO, PT, SI, All countries 20-360mBar AT, CH, CY, DK, FI, LT, RO, SE, 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 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 10: Description Bg 450

    Air pressure switch Electrical connection Electrical panel Impulse pipe MultiBloc Max. gas pressure switch Gas pressure switch Fan housing Changeover switch, increase- decrease Brake plate Changeover switch, manual- Ignition electrode automatic Ionisation electrode Indicator lamp, operation Motor Switch 0-1 Gas connection Bentone...
  • Page 11: General Instruktions

    Adjust the burner to appr. 20% excess air in accordance with the table. Check the lue gas temperature. Calculate the eficiency. 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

    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 05 2018-01-02 Bentone...
  • Page 14: Handling And Lifting Instruction

    4.6 Handling and lifting instruction 4.6.1 BG 450 Option The lifting aids we use here are available as accessory, Figure 1 Figure 1 172 515 29 2018-01-02 Bentone...
  • Page 15: Mounting On The Boiler

    Once the gas lange is itted to the boiler, it is easy to lift the burner body up onto the guides. Assemble the burner in reverse order to its disassembly. Check the gas tightness. Service position 172 515 30 2018-01-15 Bentone...
  • Page 16: Inspection Of Gas Nozzle Before Commissioning

    Re-assemble the burner in reverse order to that described above. When re- assembling, make sure that the O-ring located between the gas nozzle and the gas lange is in the correct position when the nozzle is re-itted. Service position 172 515 31 2018-01-15 Bentone...
  • Page 17: Leakage Control

    The gas valve is energized and opens and lame is established. 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 inished. Bentone...
  • Page 18: Gas Nozzle

    4.10 Gas nozzle Natural gas Propan Biogas (UV detector) Bentone...
  • Page 19: Setting Air Damper

    This function facilitates an exchange of damper motor. Releasing button N.B! The upper position is Solenoid valve the standard positiont High capacity (black) High capacity (red) Low capacity (orange) Closed damper (blue) 172 515 15 2018-01-03 Bentone...
  • Page 20: Setting The Burner

    A left turn opens the brake plate, providing a lower pressure drop and more air to the combustion process. A right turn closes the brake plate, providing a higher pressure drop and less air to the combustion process. 172 515 32 2018-01-15 Bentone...
  • Page 21: 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). Bentone...
  • Page 22: 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). Bentone...
  • Page 23: Multibloc Mb-Vef B01, 407-412

    It is possible to connect a leakage control VPS 504 and a gas pressure switch maxi. ) NB. The impulse line P can be replaced by an impulse l ange on the multibloc. The impulse line P is then placed inside this l ange. 172 515 16 2018-01-03 Bentone...
  • Page 24 - Impulse lines shall be as short as possible ∆ P Adjustment possibilities Effective burner pressure ∆ P ∆P Effective fan pressure max. = 100 mbar ∆ P ∆ P MB-VEF Adjustment range Adjustment range N=+2 ∆pBr, min =0,5 mbar ∆P N=-2 , max. = 100 mbar Bentone...
  • Page 25 5.5.1 Pressure taps min. 5 x DN p , extern PN1, DN 4 1,3,4,5 G 1/8 screwed sealing plug 2 Measuring nozzle 6,7,8 G 1/8 female thread for pL ,pF ,pBr pulse lines 5.5.2 Electrical connection S 10/S 30 Bentone...
  • Page 26: 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 2018-01-02 Bentone...
  • Page 27 Temperature of gas at the gas meter [°C] Barometer reading [mbar] Pressure of gas at the gas meter [mbar] Factor calculated for multiplication with low in Nm /h to arrive at actual low in Nm Actual low · 273+T 1013.25 Bentone...
  • Page 28: 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 low 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 29: 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 16 2018-01-15 Bentone...
  • Page 30: Servicing Air Dampers

    Re-install the damper motor and mounting plate on the air intake. Ensure that the damper shaft and control arm are connected correctly. Install the intake grille for the air intake. Press the burner together and lock using the nuts (B). Check/adjust the combustion. Bentone...
  • Page 31: Replacement Of Damper Motor, Air

    Re-install the damper motor and mounting plate on the air intake. exchange of damper motor. Ensure that the damper shaft and control arm are connected correctly. Connect the damper motor cable. Fit the Euro plugs and turn on the mains power. Check/adjust the combustion. Bentone...
  • Page 32: Vibration

    Maximum vibration level are 5,0 mm/s • Check all bolts and nuts for correct torque • Check fan wheel for damage and contamination. Change when dirty/ unbalanced • Check motor bearings. If worn change motor/bearings Use lid screw for sensor mounting Bentone...
  • Page 33: Flame Monitoring And Ionisation Current Check

    UV detector, when it is lit up, should be at least 70 µA for LFL1. This current can be measured using a multimeter, although this is only necessary if a malfunction is suspected. 22 23 172 615 03 2018-02-15 Bentone...
  • Page 34: 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 35: 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 14 2018-01-12 Bentone...
  • Page 36: Wiring Diagram Lfl1

    9.2 Wiring diagram LFL1..Bentone...
  • Page 37: List Of Components

    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. Bentone...
  • Page 38 "idle steps" up to the self shut-down of the sequence switch ◄ Lockout on completion of control programme b ( b´) - a sequence due to extraneous light (e.g. lame not Post-purge sequence extinguished, leaking fuel valves) or due to a faulty lame signal. Bentone...
  • Page 39: 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 airlow 172 615 06 2018-01-10 Bentone...
  • Page 40 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 41 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 lue gas temperature by increasing gas volume Insulate the chimney Bentone...
  • Page 42: Eu Declaration Of Conformity

    11. EU Declaration of conformity Bentone Gasburners 172 905 04 2018-02-15...
  • Page 43: 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 44 Service- and inspection card Installation Boiler Name: Type: Eficiency kW: Address: Burner Type: Eficiency kW: Installed by: Date: Date gas/h Governor Fluegas Ionisation Pressure Eficiency temp current Fire Chimney room Measu- rement Before After °C µ A mbar mbar Small Flame Large Flame...
  • Page 48 Enertech AB. P.O Box 309, SE-341 26 Ljungby. www.bentone.se, www.bentone.com...

This manual is also suitable for:

Bg 450-2

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