Bentone BG 450-2 Biogas Installation And Maintenance Instruction
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Summary of Contents for Bentone BG 450-2 Biogas
- Page 1 178 057 76-7 P93783 2023-02-23 Providing sustainable energy solutions worldwide Installation- and maintenance instruction BG 450-2 Biogas LME22.232C2E DMV-DLE 520/11 MVD 220/5 VPS 504 FRS 520 Translation of the original instructions.
- Page 2 1~230V 1,0A 50Hz IP 20 Motor supply MADE IN SWEDEN BY 1. Manualer på övriga språk 1. Manuals in other languages 1. Manualer på andre sprog 2. www.bentone.com\ 2. www.bentone.com\ 2. www.bentone.com\ nedladdning eller scanna download or scan QR-code. download eller scan QR-koden.
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Page 3: Table Of Contents
11.9 Replacement of electrical components ........40 Inspection and maintenance ............ 16 Handing over of the installation ........41 Preparation for assembly ............16 Gas supply ..................16 Troubleshooting ..............42 Electric connection ..............16 Service- and inspection protocol ........44 Handling and lifting instruction ..........17 Bentone... -
Page 4: General Information
Make sure that the burner is suitable for the application (see Technical • Data). All components must be installed without being bent, twisted or • subjected to mechanical or thermal forces that affect components. 172 515 01-2 2021-10-05 Bentone... -
Page 5: What To Do If You Smell Gas
Prevent open fl ames or sparking, e.g. do not turn lights on or off, do • not use any electrical appliances or mobile phones. • Evacuate the building. Notify the installer or gas supplier of the problem so that it can be • rectifi ed. Bentone... -
Page 6: Technical Data
Flame tube Length of flame tube measure A measure B measure C ø159 ø162 ø159 ø162 ø159 ø162 ** Min. recommended distance to floor. 2.1.1 Measurements for connection to the boiler (Ø 210) Ø 255-290 ø170 172 535 70 2023-02-20 Bentone... -
Page 7: Capacity Range
Installation must Working field be done so it does not prevent air supply to the burner. 120-550 kW mbar Do not exceed working field. Bentone... -
Page 8: Components
Gas valve (MultiBloc) Transformer Reset button Leakage contro VPS Burner control Switch 0-I Indication lamp, operation Impulse line P Contactor Impulse line P Connection, gas Changeover switch, man-auto Cover, inspection glass Changeover switch, increase- Ignition electrode decrease Ionization electrode Bentone... -
Page 9: Skeleton Diagram, Biogas 2-Stage Burner
C to ensure that the correct volume of gas is obtained. Adjust the air damper for correct combustion. VPS: Standard on burners with an output ≥ 1200 kW. Optional on burners with an output < 1200 kW. 172 515 72 2018-02-19 Bentone... -
Page 10: Electric Equipment
The cables of the safety system must be separated so that the outgoing signal is not placed in the same cable as the incoming signal. Wiring diagram Brown Blue Green Yellow Gn/Ye Green/Yellow Black Grey White Orange Violet 172 615 38-2 Bentone... -
Page 11: Function
2.5 s Postignition time Safety lockout time < 3 s Reset time after lockout < 1 s Reaction time on fl ame failure < 1 s Min. ionisation current at fl ame 5 µA Max. ionisation current 20 µA Bentone... -
Page 12: Control Program At Faults; Fault Mode Indicator Lme
> 3 s Pause code 3.4.3 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 13 To change to interface mode, press and hold the reset button longer than 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 14: Leakage Control Vps 504
The red LED is lit as long as the contact is released by the regulator (heat requirement). After a short voltage drop during testing or during burner operation, an automatic restart is performed. Pressure buildup Operation Programmer Idle state 172 615 10 2018-01-15 Bentone... -
Page 15: Electrical Connection
Release signal Fault signal Electrical connection The VPS 504 is connected in series between the temperature regulator and the control box via a 7-pin plug connector. See wiring diagram! Tight Untight Lock-out Operation Outlet Operating voltage ~(AC) 230V 50Hz Bentone... -
Page 16: Installation
Connection must be done in accordance with the applicable • regulations. • Connection must conform to the wiring diagram. If any electrical connection other than that recommended by Enertech is used, there is a risk of property damage and personal injury. 172 535 09-2 Bentone... -
Page 17: Handling And Lifting Instruction
Handling and lifting instruction The lifting aid are available as accessories. 172 515 29 2018-02-21 Bentone... -
Page 18: Mounting
Connect the gas line, connect the supply cable, operating and safety circuits. Before obtaining access to electrical and fuel line components all supply circuits must be disconnected. 172 515 30-2 2022-09-21 Bentone... -
Page 19: Gas Nozzle
Gas nozzle Check that the ignition electrodes are correctly set before mounting on the boiler. Natural gas Propane Biogas (UV detector) Bentone... -
Page 20: Aerating
If leaks are found during measurement, locate the source using soapy water or leak detection spray. After sealing: check the leakage of the gas fixture again. Check for leaks in the gas line. Bentone... -
Page 21: Calculation Of Gas Flow
Natural gas Butan 29.25 24.44 88.00 Natural gas Propan 21.60 Biogas Lower calorific value H at normal conditions 15 °C and 1013 mbar, EN 676. For exact calorific value of the gas, contact the gas distributor. 172 535 72 Bentone... -
Page 22: Settings
% CO Lambda 1.2 ≈10 11.9 Natural gas 3 - 5 13.9 ≈11.5 Propane 3 - 5 14.1 ≈11.5 Butane 3 - 5 Liquefi ed ≈11 13.8 3 - 5 petroleum gas Biogas 3 - 5 172 515 32-2 2022-09-28 Bentone... -
Page 23: Setting The Air Pressure Switch
Measure and note the lowest air pressure in the entire work area. Set the air pressure switch to about 10-15% lower than the lowest noted pressure. Test run the burner and check the function in the entire work area. Refi t protective cover. 172 535 11-2 Bentone... -
Page 24: Setting The Gas Pressure Switch, Min
When the gas pressure switch stops the burner, the measured value must approximately correspond to the setting on the gas pressure switch. Open ball valve. Remove manometer and close measuring socket. Refi t protective cover. Check gas tightness. 172 535 12-2 Bentone... -
Page 25: Settings Damper Motor, 2-Stage
14.1 ≈11.5 Butane 3 - 5 Liquefi ed 13.8 ≈11 3 - 5 petroleum gas Biogas 3 - 5 Solenoid valve High load (black) High load (red) Low load (orange) Closed air damper (blue) Release button 172 515 14-3 2022-10-27 Bentone... -
Page 26: Gas Pressure Regulator
Max. operating pressure 500 mbar Class A Pressure regulator -15 °C … +70 °C Ambient temperature Inlet pressure range 5 - 500 mbar 1 + 2 + 3 Family 2,5 - 200 mbar Outlet pressure range 172 515 66 2018-01-02 Bentone... - Page 27 Turn spindle to stop. Unscrew complete adjustment device B and remove spring C. Insert new spring D. Assemble complete adjustment device and adjust desired off-set. Screw on protective cap A. Stick adhesive label E onto typeplate. Attach lead seal. Bentone...
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Page 28: Double Solenoid Valve
Max. operating pressure 500 mbar DMV 505-520/11 Pressure taps 1, 2, 3, 4 Sealing plug Screw plugs 1,2,3 may also be replaced by a measuring socket G 1/8 DIN ISO 228. Concealed connecting bore for system accessories. 172 515 67 2018-02-12 Bentone... - Page 29 1 - 5. Switch on firing system. Replace solenoid Important: Make sure that the solenoid no. and voltage are correct! Remount hydraulic brake or adjust-ing plate as described on page 6. ”Replacing the hydraulic brake or adjusting plate”, steps 7 -11. Bentone...
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Page 30: Gas Solenoid Valve Mvd 210/5 / Mvd 215/5
Only fl ange version from DN 25 Sealing plug G3/4 DIN ISO 228 Sealing plug G1/4 DIN ISO 228 Connection for C.P.I. Sealing plug G1/8 DIN ISO 228 Only threated version. Bypass port under cover, optional. Sieve 10.6.4 Mounting 172 515 71-2 2022-11-28 Bentone... - Page 31 10.6.5 Setting the main flow Loosen Do not use any force Bentone...
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Page 32: Service
Replacement upon fault detection Gas pressure switch 250,000 starts 10 years Safety blow-off system 10 years 500,000 starts Damper motor Contactor 500,000 starts 10 years The burner and its components must be recycled according to applicable regulations. 172 615 88-2 2022-09-08 Bentone... -
Page 33: Combustion Device
Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. Check for leaks in the gas line. When servicing/replacing components that affect combustion, flue gas analysis and soot test must be carried out following installation. 172 615 16-2 2022-09-23 Bentone... -
Page 34: Air Damper
Fit the intake grille. Slide burner together and lock with screws (D) and nut (C). Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. 172 625 03 2022-09-23 Bentone... -
Page 35: Replacement, Damper Motor Air
Refi t the damper motor and mounting plate, ensuring that the damper shaft and control arm are correctly connected. Connect the damper motor cable. Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. 172 625 04 2022-09-23 Bentone... -
Page 36: Fan
Refi t the parts. Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. When servicing/replacing components that aff ect combustion, fl ue gas analysis and soot test must be carried out following installation. 172 625 09 Bentone... -
Page 37: Vibrations
• Check tightness of fasteners. Check fan wheel for damage and contamination (replace if necessary). • Check motor shaft and bearings. If they are worn, replace the motor. • Use screw to attach the vibration sensor. 172 625 05 2022-09-23 Bentone... -
Page 38: Control Of Flame Monitoring And Ionization Current
Min. DC 3 µA Required current to ensure detection Max. DC 20 µA Possible detection current Operational indicator lamp flashes green <5 µA DC Operational indicator lamp shines green >5 µA DC 11.8.1 Flame monitoring ionisation 172 615 02-3 Bentone... - Page 39 Max. current for flame detection Max. DC 5.5 µA Min. DC 40 µA Required current to ensure detection Max. DC 60 µA Possible detection current Operational indicator lamp flashes green <45 µA DC Operational indicator lamp shines green >45 µA DC Bentone...
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Page 40: Replacement Of Electrical Components
Switch on the main power and check the operation of the new component. Start burner and check/adjust combustion. When servicing/replacing components that affect combustion, flue gas analysis and soot test must be carried out following installation. 165 105 11-3 Bentone... -
Page 41: Handing Over Of The Installation
Instruct the persons in charge of the operation on the service and • maintenance of the installation and what to do should any troubles occur. Inspection and service must be carried out by authorized personnel. • Review and service should be performed by authorised personnel only. 172 615 04-2 Bentone... -
Page 42: Troubleshooting
Voltage lower than 185V. Contact an electrician. Ignition electrodes disrupting ionisation current. Adjust ignition electrodes. Re-polarise the transformer. Poor earth connection. Ensure adequate earth connection. Phase and neutral swapped around. Check wiring diagram and change accordingly. 172 615 06 2018-01-10 Bentone... - Page 43 Flame at incorrect angle due to combustion head out of Check the combustion head and readjust. position. 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 44: Service- And Inspection Protocol
14. Service- and inspection protocol Installation Boiler Efficiency kW: Name: Type: Address: Burner Efficiency kW: Type: Installed by: Date: Date gas/h Efficiency Governor Fluegas Ionisation Pressure temp current Fire Chimney room Measure- °C µ A ment Before After mbar mbar Small Flame Large Flame... - Page 45 EU Declaration of conformity Bentone Gas Burners Certifi cate No. Certifi cate No. Type: Type: BFG 1 CE-0123CT1269 BG 550 CE-0123CT1326 STG 120 CE-0123CT1270 BG 650 CE-0123CT1348 STG 146 CE-0123CT1281 BG 700 CE-0123CT1359 BG 300 CE-0123CT1292 BG 800 CE-0123CT1360 BG 400...
- Page 46 UK Declaration of conformity Bentone Gas Burners Type: BFG 1 BG 300 BG 550 BG 800 STG 120 BG 400 BG 650 BG 950 STG 146 BG 450 BG 700 This declaration of conformity is issued under the sole responsibility of the manufacturer.
- Page 48 Enertech AB. P.O Box 309, SE-341 26 Ljungby www.bentone.com...
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