Bentone BG 450-2 Installation And Maintenance Instruction
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Summary of Contents for Bentone BG 450-2
- Page 1 CR00122 178 145 76-1 2020-10-29 Providing sustainable energy solutions worldwide Installation- and maintenance instruction BG 450-2 BP-S4 MB-ZRDLE 412 B07 Translation of the original instructions.
- Page 2 Beispiel Manualer på övriga språk www.bentone.com\nedladdning 352011030141 Serial no. 1234567 Man.Year 2019 Designation BF 1 KS 76-24 eller scanna QR-koden BF 1 Type Model BF 1 KS 76-24 Cap. Min-Max LIGHT OIL 35-90kW 1,25-6,0 cSt 7-14bar Skriv in brännarens artikelnummer som finns på din...
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Page 3: Table Of Contents
6.4 Adjustment of pressure governor ___________________ 25 6.5 Adjustment of of main valve damper ________________ 25 6.6 Recommended excess air when using default setting __ 26 6.7 Determining the gas quantity for the system __________ 26 6.8 Calculating the quantity of gas supplied _____________ 28 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...
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Page 7: Technical Data
2. Technical Data Type designation BG 450-2 2.1 Burners are intended for use at: • Hotwater in intermittent operation. 2.2 Dimensions • Gas connections 1” Dimensions stated in mm Length of burner Flange Burner tube Burner tube Type tube measure A... - Page 8 SK, SS, ES, SE, CH, TR, GB, 20-360mBar AT, CH, CY, DK, FI, LT, RO, 2H38/P SE, SK 20-360mBar GB, IE 2H3P 20-360mBar NL, RO 2L38/P 20-360mBar 2E38/P 20-360mBar 2E(R)B 20-360mBar Max operating current, see data plate. 172 525 23 2020-10-29 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. 172 525 23 2020-10-29 /3 Bentone...
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Page 10: Description Bg 450
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 172 525 23 2020-10-29 Bentone... -
Page 11: General Instructions
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
Damper motor Air pressure switch Gas burner control Ventilation pipe for releasing gas Solenoid V3 Pos. 5b, 7: Components not required according to EN 676. Required over 1200 kW according to EN 676.hhh Multi Bloc 172 525 16 2020-10-13 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 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 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 flange is in the correct position when the nozzle is re-fitted. Service position 172 515 31 2018-01-15 Bentone... -
Page 17: 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 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. 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 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: Multi-Bloc
Test point connection G 1/8 downstream of valve 1, possible on both sides Electrical connection for valves (DIN EN 175 301- 803 connector). Outlet flange Electrical connection for valves V2 Test point connection M4 down stream of valve 2 Gas flow direction 172 525 18 2020-10-16 Bentone... -
Page 24: Mounting Closed Position Indicator (Cpi)
Then rotate the setting screw by another scale division. Check function by activating the valve. Re-set switching point Turn setting screw C back in arrow direction ”–” to the stop; proceed as described in 7. 172 525 18 2020-10-16 Bentone... -
Page 25: Flow Adjustment 2-Stage Design
Turn the adjustment knob d (use the protective cover as a tool) to the desired opening speed. Turn to the right = opening speed is reduced Turn to the left = opening speed is increased Adjustment of main valve damper 172 525 18 2020-10-16 z: under cap 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 Biogas 21,60 5159 172 515 13 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 flow in Nm /h to arrive at actual flow in Nm Actual flow · 273+T 1013.25 Bentone...
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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 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 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
Status LED shines yellow, the Fan LED flashes, and LEDs 2-6 show the flame signal strength. Each LED corresponds to 20% of the total flame signal. 5 lit LEDs correspond to 100% and 2 LEDs correspond to 40%. 172 615 69 20-10-15 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 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 77 2020-10-21/1 Bentone... -
Page 36: Wiring Diagram Bg450-2 Bp S4
10.2 Wiring diagram BG450-2 BP S4 172 615 77 2020-10-21/2 Bentone... -
Page 37: Component List Wiring Diagram
Damper motor Solenoid valve 1 Main switch L&S SQN75.294A21B Solenoid valve 2 Air pressure switch Solenoid valve 3 Min. gas pressure switch The system must be connected to mains and fused in accordance with applicable regulations. 172 615 77 2020-10-21/3 Bentone... -
Page 38: Control
LED flashes during start-up. In Control mode, the Status LED shines yellow, the Fan LED flashes, and LEDs 2-6 show the flame signal strength. Each LED corresponds to 20% of the total flame signal. 5 lit LEDs correspond to 100% and 2 LEDs correspond to 40%. 172 615 70 201022 /1 Bentone... -
Page 39: Explanation Of The Different Sequence Modes
When lockout occurs, the LEDs indicate the cause. The control unit status is saved in the memory, even in the event of a power outage. By pressing the manual reset button on the control unit or remote reset. 172 615 70 201022 /2 Bentone... -
Page 40: Burnerpro Led Fault/Lock Code Table
11.4 BurnerPro LED fault/lock code table 172 615 70 201022 /3 Bentone... - Page 41 172 615 70 201022 /4 Bentone...
- Page 42 172 615 70 201022 /5 Bentone...
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Page 43: 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 44 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 45 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 46: General Instructions For Gasburners
13. General instructions for gasburners 13.4.1 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 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 52 Enertech AB. P.O Box 309, SE-341 26 Ljungby. www.bentone.se, www.bentone.com...