Bentone BG 450 LN Installation And Maintenance Instruction
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Summary of Contents for Bentone BG 450 LN
- Page 1 178 139 76-3 P93783 2023-02-23 Providing sustainable energy solutions worldwide Installation- and maintenance instruction BG 450 LN LME22.233C2 MB-VEF 412 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
6.4 Setting the air pressure switch ..........21 Technical data ...............6 6.5 Setting the gas pressure switch, min........22 Dimensions BG 450 LN ..............6 Setting Damper motor, Modulating operation ....23 Capacity range ................6 Gas categories, approved gases ..........7 Gas valve, MultiBloc MB-VEF 407-412 ......24 2.4... -
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
Operation in installations according to EN 303 and EN 676. • Fuels: Natural gas H, E, L, LL. • LPG, Butane and Propane. • Dimensions BG 450 LN øB øC Flame tube Flame tube Flame tube Length of flame tube... -
Page 7: Gas Categories, Approved Gases
LV, NO, PT, RO, SE, SI, SK, TR 30 mbar LU, PL 30 mbar 30 mbar 2E(R)B 30 mbar Technical specification BG 450 LN Main supply 230V, 1~, 4.6A, 50Hz, IP20 Max fuse rating 2.12A, 434W 2.51A, 538W -class (GCV) -
Page 8: Components
Air intake Damper motor Gas valve (MultiBloc) Transformer Impulse line P Control box Switch 0-I Indication lamp, operation Impulse line P Contactor Gas pressure switch, max Changeover switch, man-auto Ignition electrode Connection, gas Changeover switch, increase- Ionization electrode decrease Bentone... -
Page 9: Skeleton Diagrams
Main valve, 2 -stage. In modulaing operation, this valve is equipped with controls for variable opening. Safety valve 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. 172 515 05 2018-01-02 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 32-3 Bentone... -
Page 11: Function Lme
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: 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 15: Handling And Lifting Instruction
Handling and lifting instruction The lifting aid are available as accessories. 172 515 29 2018-02-21 Bentone... -
Page 16: 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 55-2 2023-02-21 Bentone... -
Page 17: Gas Nozzle
Gas nozzle Check that the ignition and ionisation electrodes are correctly set before mounting on the boiler. A = 10 mm - Front edge Brake plate B = 3 mm A = Position Ionisation electrode B = Position Ignition electrode Bentone... -
Page 18: 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 19: Calculation Of Gas Flow
Natural gas Butan 29.25 Propan 24.44 88.00 Natural gas 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 20: Settings
% CO Lambda 1.2 3 - 5 ≈10 11.9 Natural gas Propane 3 - 5 13.9 ≈11.5 3 - 5 14.1 ≈11.5 Butane Liquefi ed 3 - 5 ≈11 13.8 petroleum gas 3 - 5 Biogas 172 515 32-2 2022-09-28 Bentone... -
Page 21: 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 22: 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 23: Setting Damper Motor, Modulating Operation
• (increase). Adjust the amount of gas with screw V on the gas valve and check the combustion values. Solenoid valve High load (black) High load (red) Low load (orange) Closed air damper (blue) Release button 172 515 15-3 2022-11-25 Bentone... -
Page 24: Gas Valve, Multibloc Mb-Vef 407-412
It is possible to connect a leakage control VPS 504 and a gas pressure switch, max. NB. The impulse line P can be replaced by an impulse fl ange on the gas valve. The impulse line P is then placed inside this fl ange. 172 515 16-2 2021-10-19 Bentone... - Page 25 – Impulse lines shall be as short as possible. 7.6.4 Adjustment possibilities ∆ Effective burner pressure ∆ P Effective fan pressure ∆ max. = 100 mbar ∆ ∆ P MB-VEF Adjustment range Adjustment range N=+2 ∆ pBr, min =0,5 mbar ∆ N=-2 , max. = 100 mbar Bentone...
- Page 26 7.6.5 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 P pulse lines 7.6.6 Electrical connection S 10/S 30 Bentone...
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Page 27: Service
Replacement upon fault detection Gas pressure switch 10 years 250,000 starts Safety blow-off system 10 years Damper motor 500,000 starts Contactor 10 years 500,000 starts The burner and its components must be recycled according to applicable regulations. 172 615 88-2 2022-09-08 Bentone... -
Page 28: 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 29: 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 30: 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 31: 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 32: 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 33: 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 8.8.1 Flame monitoring ionisation 172 615 02-3 Bentone... - Page 34 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 35: 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 36: 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 37: 10. 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 38 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 39: 11. Service- And Inspection Protocol
11. 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 40 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 41 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 44 Enertech AB. P.O Box 309, SE-341 26 Ljungby www.bentone.com...