Bentone BG 300-2 Installation And Maintenance Instruction
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Summary of Contents for Bentone BG 300-2
- Page 1 178 074 72-4 CR00545 2023-01-03 Providing sustainable energy solutions worldwide Installation- and maintenance instruction BG 300-2 LME22.232C2E MB-ZRDLE 407 50/60Hz 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 1. Manualer på andre sprog languages 2. www.bentone.com\ 2. www.bentone.com\ nedladdning eller scanna 2. www.bentone.com\ download eller scan QR-koden. download or scan QR-code.
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Page 3: Table Of Contents
What to do if you smell gas ............5 Startup ....................20 Control of combustion ...............20 Technical data ...............6 6.5 Setting the air pressure switch ..........21 Dimensions BG 300-2/BG 300 M ..........6 6.6 Setting the gas pressure switch min ........22 Capacity range ................7 Settings Damper motor, 2-stage ..........23 Gas categori es, approved gases ..........7 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
The burner is intended for: • Operation in installations according to EN 303 and EN 676. Fuels: • Natural gas H, E, L, LL. • LPG, Butane and Propane. Dimensions BG 300-2 øB øC Length of Burner tube Burner tube Burner tube burner tube... -
Page 7: Capacity Range
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. Bentone... -
Page 8: Working Field
Working field G20 50-200 kW mbar G25 50-170 kW Do not exceed working field. G30 65-200 kW mbar G31 50-200 kW Bentone... -
Page 9: Components
Reset button Ignition electrode Inner assembly Air pressure switch Control box Nozzle Damper motor Indicating lamp Stage 2 Brake plate Inner assembly adjustment Indicating lamp Stage 1 Gas valve(MultiBloc) (not town gas) Fan wheel Gas pressure switch, min. Flame cone Bentone... -
Page 10: 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 11: 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 12: 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 13-3 Bentone... -
Page 13: Function Lme
Postignition time 2.5 s 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 20 µA Max. ionisation current Bentone... -
Page 14: Control Program At Faults; Fault Mode Indicator Lme
> 3 s Pause code 4.4.3 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 15 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 16: Mounting
Connect the supply cable, operating and safety circuits. Check for leaks in the gas line. 172 515 06-2 2022-11-28 Bentone... -
Page 17: Gas Nozzle
Gas nozzle Check that the ignition and ionization electrodes are correctly set before mounting on the boiler. Propan Natural gas Biogas (UV detector) 172 515 08-2 2022-11-28 Bentone... -
Page 18: Tightness Control
If leaks are found during measurement, locate the source using soapy water or leak detection spray. After sealing: check the tightness of the gas fixture again. Check the gas tightness. Bentone... -
Page 19: Calculation Of Gas Flow
32.25 Natural gas Butane 116.09 Natural gas 29.25 Propane 24.44 88.00 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. 172 515 13-2 Bentone... -
Page 20: Settings
Check combustion using flue gas analysis instruments. Set the burner to about 20% excess air and check that good combustion is obtained. Check the actual gas flow on the gas meter to ensure that the correct input power is achieved. 172 515 10-2 2022-11-25 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: Settings Damper Motor, 2-Stage
3 - 5 ≈11.5 Butane 14.1 Liquefi ed 3 - 5 13.8 ≈11 petroleum gas 3 - 5 Biogas 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 24: Gas Valve, Multibloc Zrdle 405-420
Main valve Turn to the left = the start gas fl ow is Knob for adjustment of stage 1 increased. Test nipple, pressure after governor 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 Gas valve, MultiBloc ZRDLE 405-420 Flow adjustment Bentone...
- Page 26 7.7.1 Pressure taps 1,2,3,4,5 1/8 screwed sealing plug 7.7.2 Electrical connection S 20/S 50 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
Turn 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 shall be carried out on the installation. 172 615 01-2 Bentone... -
Page 29: Air Damper
Release the button on the damper motor. 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. 165 405 16 Bentone... -
Page 30: Replacement, Damper Motor Air
Refi t the damper motor and mounting plate on the air intake. Connect the damper motor cable. Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. 172 615 08-2 2022-11-24 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: 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 33: 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 the screw on the cover to attach the vibration sensor. 172 625 10 Bentone... -
Page 34: 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 >5 µA DC Operational indicator lamp shines green 7.8.1 Flame monitoring ionisation 172 615 02-3 Bentone... - Page 35 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 >45 µA DC Operational indicator lamp shines green Bentone...
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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: Troubleshooting
Voltage lower than 185V. Contact an electrician. Adjust ignition electrodes. Re-polarise the transformer. Ignition electrodes disrupting ionisation current. Poor earth connection. Ensure adequate earth connection. Check wiring diagram and change accordingly. Phase and neutral swapped around. 172 615 06 2018-01-10 Bentone... - Page 38 Flame at incorrect angle due to combustion head out of position. Condensation build up in boiler and chimney: Raise the flue gas temperature by increasing gas volume Insulate Flue gas temperature too low or gas volume too low. the chimney. Bentone...
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Page 39: 10. Service- And Inspection Protocol
10. 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...