Bentone BG 550 Installation And Maintenance Instruction
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Summary of Contents for Bentone BG 550
- Page 1 178 065 82-1 2018-03-28 Providing sustainable energy solutions worldwide Installation- and maintenance instruction BG 550-2...
- Page 2 Bentone...
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Page 3: Table Of Contents
General Table of contents 1. General Information _____________________________________________ 4 2. Technical data BG 550... _________________________________________ 7 2.1 Burners are intended for use at: ________________________________ 7 2.2 Dimensions _________________________________________________ 7 2.3 Description BG 550-2 _______________________________________ 10 2.4 Description BG 550 M _______________________________________ 11 3. -
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...
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Page 7: Technical Data Bg 550
2. Technical data BG 550... 2.1 Burners are intended for use at: • Hot water boilers in intermittent operation 2.2 Dimensions • Gas connection 1-2” Dimensions stated in mm Length of burner Flange Burner tube Burner tube Type tube measure A... - Page 8 "BG, CZ, DE, EE, ES, FR, GR, 2R/3R HU, IS, IT, LU, LV, NO, PT, SI, All countries" 30-360mBar AT, CH, CY, DK, FI, LT, RO, SE, 2H3B/P 30-360mBar GB, IE, 2H3P 30-360mBar NL, RO 2L3B/P 30-360mBar 2E3B/P 30-360mBar 2E(R)B 30-360mBar Bentone...
- Page 9 2.2.5 Working field Do not operate outsi- BG 550 de the working field G20, G25, G30, G31 140-628 kW Capacity kW 2.2.4 Electric Specification EN 60335-2-102 Burner correspond to IP20 Type BG 550 230/400V 3,3/1,9A Motor 50Hz The recommended main fuse, motor...
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Page 10: Description Bg 550-2
2.3 Description BG 550-2 Components Flame cone Motor Indicating lamp Stage I Connection flange Connection gas fittings Switch 0-l Guide bar Ignition transformer Time meter, stage 1 Fan wheel Air damper Time meter, stage 2 Fan house Air damper motor... -
Page 11: Description Bg 550 M
2.4 Description BG 550 M Components Indicating lamp Flame cone Connection gas fittings Connection flange Ignition transformer Switch 0-l Guide bar Air damper Time meter Fan wheel Air damper motor Fan house Air pressure switch Contactor with thermal overload protection... -
Page 12: 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 13: 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 14: 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 15: Handling And Lifting Instruction
4.6 Handling and lifting instruction The lifting aid used here, is available as spare part, Figure 1 Figure 1 172 515 34 Bentone... -
Page 16: Mounting On The Boiler
Once the gas flange is fitted 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 17: 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 flange is in the correct position when the nozzle is re-fitted. Service position 172 515 31 2018-01-15 Bentone... -
Page 18: Leakage Control
The gas valve is energized and opens and flame 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 finished. Bentone... -
Page 19: Gas Nozzle
4.10 Gas nozzle Natural gas Propan Biogas (UV detector) Bentone... -
Page 20: Setting Air Damper
This function facilitates an exchange of damper motor. Solenoid valve High capacity (black) High capacity (red) Low capacity (orange) Closed damper (blue) Releasing button N.B! The upper position is the standard positiont 172 515 14 2018-01-02 Bentone... -
Page 21: 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 22: 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 23: 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 24: Multibloc Mb-Vef B01, 407-412
2. Knob for adjustment of stage 1 Turn to the left = the start gas fl ow is Test nipple, pressure after governor increased. 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 Multi-bloc MB-ZRDLE 405-420 Flow adjustment 172 515 11 2018-01-03 Bentone...
- Page 26 4.10.1 Pressure taps 1,2,3,4,5 1/8 screwed sealing plug 4.10.2 Electrical connection S 20/S 50 172 515 11 2018-01-03 Bentone...
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Page 27: 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 26 2018-01-11 Bentone... - Page 28 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...
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Page 29: 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 = 450 dm (litre) 0.45 m 1000 0.0194 h 3600 0,45 ≈ 23.2 m 0.0194 Bentone... -
Page 30: 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 31: 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 32: 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 33: 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 34: Flame Monitoring And Ionisation Current Check
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 flashes green Operational indicator lamp >5 µA DC shines green 172 615 02 2018-01-02 Bentone... -
Page 35: Uv-Detector
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 flame current Measurement made at the flame detector QRA… Bentone... -
Page 36: 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 37: 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 39 2018-02-23 Bentone... -
Page 38: Wiring Diagram Lme
9.2 Wiring diagram LME Bentone... -
Page 39: 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 40: Control Program At Faults; Fault Mode Indicator Lme
(waiting period ≥ 10 s) 9.4.1.2 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 41 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...
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Page 42: 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 43 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 44 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...
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Page 45: Eu Declaration Of Conformity
11. EU Declaration of conformity Bentone Gasburners 172 905 04 2018-02-15... -
Page 46: General Instructions For Gasburners
11. General instructions for gasburners 11.3.1 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 47 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 48 Enertech AB. P.O Box 309, SE-341 26 Ljungby. www.bentone.se, www.bentone.com...
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