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Bentone BG 450 Installation And Maintenance Instruction

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178 125 76-1
2018-04-04
Providing sustainable energy solutions worldwide
Installation- and maintenance instruction
BG 450
J/K

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Summary of Contents for Bentone BG 450

  • Page 1 178 125 76-1 2018-04-04 Providing sustainable energy solutions worldwide Installation- and maintenance instruction BG 450...

  • Page 3: Table Of Contents

    5.6 Gas nozzle BG 550/650 __________________________________________ 5.7 Gas nozzle BG 550LN ____________________________________________ 5.8 Gas nozzle BG 700/800 __________________________________________ 5.9 Gas nozzle BG 950 ________________________________________________ 5.10 UV detector ___________________________________________________________ 5.11 Setting the air pressure switch _________________________________ 5.12 Setting the min. gas pressure switch ________________________ Bentone...
  • Page 4 ________________________________ 13.9.2 Activation of Manually OFF in operation and ad- justment of output via the display and operating unit 14. Parameter list ________________________________________________________ 15. Error code list ________________________________________________________ 16. Declaration of conformity ______________________________________ 17. General instruction for gasburner ___________________________ Bentone...
  • Page 5 • 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 Bentone...
  • Page 6 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 Bentone...
  • Page 7 • 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 Bentone...

  • Page 8: Technical Data

    Burner tube Type tube measure A measure B measure C ø160 ø162 ø160 ø162 BG 450 ø160 ø162 *500 *640 BG 450 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.

  • Page 9: Capacity Range

    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 10: Electric Speciication

    2.2.4 Working field BG 450 120-550 kW Mbar Do not exceed working ield 2.2.5 Electric Specification Burner correspond to IP20 Type BG 450 450W 230V 3,3A 50Hz Motor The recommended main fuse C10A motor Naturgas, Propan, Butan Fitting 1 ½”-2”...

  • Page 11: Description Bg

    2.3 Description BG 450 12,13 Components Burner tube Air intake Damper motor Nozzle assembly Air damper Relay box Connection l ange Air pressure switch Electrical connection Electrical panel Impulse pipe MultiBloc Max. gas pressure switch Gas pressure switch Fan housing...
  • Page 12 2.4 Gas nozzle Towngas Natural gas Propan Biogas (UV detector) Bentone...

  • Page 13: 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. Bentone...

  • Page 14: Installation

    If the boiler has a 7-pole and a 4-pole Eurostecker connector, these usually it directly to the burner. 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. Bentone...

  • Page 15: Skeleton Diagrams

    Main valve, 2 -stage Safety valve Valve proving system Air damper motor Air pressure switch Gas burner control LMV Vent line to discharge gas Pos. 5b, 7: Components not required according to EN 676. Required over 1200 kW according to EN 676 Bentone...
  • Page 16 4.6 Handling and lifting instruction 4.6.1 BG 450 Option The lifting aid we used here are available as spare parts, Figure 1 Figure 1 Bentone...

  • Page 17: Fitting The Burner To 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 Bentone...

  • Page 18: 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 l ange is in the correct position when the nozzle is re-i tted. Bentone...

  • Page 19: 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. Bentone...
  • Page 20 This function facilitates an exchange of damper motor. Max. load (red) Min. load (orange) Closed damper (blue) Blå nock är gränsläge för helt stängt spjäll och behöver normalt ej ändras. Releasing button N.B. The upper position is the standard position Bentone...

  • Page 21: Calculate Prepurge Time

    150 seconds ((Q · 1,2) / 3600) ((200 · 1,2)/3600) Example B 9,5 · 5 285 seconds ((Q · 1,2) / 3600) ((500 · 1,2)/3600) 25 · 5 170 seconds Example C ((Q · 1,2) / 3600) ((2200 · 1,2)/3600) Bentone...

  • Page 22: Recommended Excess Air When Using Default Setting

    For more exact information on values, contact the gas distributor. 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 Bentone...

  • Page 23: Example Of How To Calculate The Gas Quantity (Natural Gas G20)

    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 24: 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 25 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 26 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 27 Test run the burner in the set power range. Remove the pressure gauge and close the test socket. Fit the cover on the power monitor and tighten the screw (Y). Check the gas tightness. Setting range: 2.5–50 mbar ÜB 5-150 mbar ÜB Bentone...
  • Page 28 Test point connection 1/8" Pa before V2 (after Connection 1/8" PL governor) Adjustment screw V for ratio PBr: PL (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 29 - Impulse lines shall be as short as possible. Adjustment range ∆ P Effective burner pressure ∆ P Effective fan pressure ∆ P ∆P Adjustment range ∆ P max. = 100 mbar MB-VEF Adjustment range N=+2 ∆pBr, min =0,5 mbar ∆P N=-2 , max. = 100 mbar Bentone...
  • Page 30 5.10.1 Pressure taps 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 5.10.2 Electrical connection S 10/S 30 Bentone...

  • Page 31: 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. Bentone...

  • Page 32: Servicing Air Dampers

    Lock the damper motor in position where the damper is almost engaged but still has a small air gap by the fan housing. Install the intake grille for the air intake. Press the burner together and lock using the nuts (B). Check/adjust the combustion. Bentone...

  • Page 33: Replacement Of Damper Motor, Air

    Re-install the damper motor and mounting plate on the air intake. 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 34: Flame Monitoring And Ionisation Current Check

    Min. current for lame detection Min. DC 1.5 µA Required current to ensure Min. DC 3 µA detection Possible detection current Max. DC 20 µA Operational indicator lamp <5 µA DC lashes green Operational indicator lamp >5 µA DC shines green Bentone...
  • Page 35 AGQ3...A27 is mandatory. Correct functioning of aged UV cells can be checked as UV test with a higher supply voltage across the UV cell after controlled shutdown until terminal 3 ON. Connection diagram Measuring circuit for measuring the UV lame current Measurement made at the lame detector QRA… Bentone...

  • Page 36: 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 hole for sensor mounting Bentone...

  • Page 37: Handing Over Of The Installation

    • Has the gas control or the motor protector locked out? - Reset. • 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. Bentone...

  • Page 38: Electric Equipment

    • The high gas pressure switch can be installed to the connection pipe between the multi-block and the burner head, and will then function as a power monitor. • Installation will block burner operation and a manual restart will be required. Installation must be carried out pursuant to applicable regulations. Bentone...

  • Page 39: Wiring Diagram Jumo 316

    9.2 Wiring diagram LME Bentone...

  • Page 40: List Of Components

    The operation of the burner can now be stopped with the control switch or thermostat If the gas burner control is blocked Red light in the gas burner control is lit. The burner is restarted by pushing the reset button Bentone...
  • Page 41 (waiting period ≥ 10 s) 9.4.1.2 Limiting of starting repetitions LME 11... has a function with start repetition if the lame is not created at start or disappears during operation.. LME 11... allows max. three repetitions during continuous starting cycle. Bentone...
  • Page 42 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 43 Porcelain on ignition electrodes broken. Replace the ignition electrode(s) Cable terminals have poor contact Improve the contact Ignition cables damaged Replace Ignition transformer damaged, no Replace the ignition transformer voltage on the secondary side. Ignition cable and ionisation cable Switch mixed up. Bentone...
  • Page 44 Gas pressure too low Increase the pressure. Contact the gas supplier. Condensation formation in the boiler and in the chimney Flue-gas temperature too low or gas Increase the lue-gas temperature by quantity too small. increasing the gas quantity. Insulate the stack. Bentone...
  • Page 45 Incorrect setting or defective air switch. Adjust the air switch. If defective, replace Spar-oven in the ignition electrodes. Replace The gas burner control ambient Insulate for heat, max. 60° temperature is too high. Ignition spark too weak Check the ignition transformer Bentone...
  • Page 46 Open for the air. Check the stack damper. Holes in the gas nozzle blocked by dirt. Clean Fresh air intake too poor Check and make it bigger Crocked lame caused by an out Check the combustion head and of position combustion head. readjust it. Bentone...
  • Page 47 11. Declaration of conformity...
  • Page 48 General instructions for gasburners Installation Follow standards and instructions applicable to the Check that the input pressure of the gas is correct installation of gas burners Check that the dampers of the boiler are open Ensure that the electric installation is made in Check that there is water in the system accordance with existing regulations Check that thermostats etc.
  • Page 49 SERVICE AND INSPECTION CARD Installation Boiler Name: Type: Efi ciency kW: Address: Burner Type: Efi ciency kW: Installed by: Date: Date Flue gas Ionisa- gas/h Governor Pressure Efi ciency temp tion current Fire room Chimney Measure- Before After °C µ A mbar mbar % ment...
  • Page 52 Enertech AB. P.O Box 309, SE-341 26 Ljungby. www.bentone.se, www.bentone.com...

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