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Summary of Contents for Bentone NU-WAY MGN320 S1L 255
- Page 1 178 025 73-7 P93783 2023-04-04 Providing sustainable energy solutions worldwide Installation- and maintenance instruction MGN320 S1L 255 LME11.230C2E MB-DLE 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 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
Handing over of the installation ........35 Electric equipment .............12 Troubleshooting ..............36 Safety system ................12 Service- and inspection protocol ........38 Wiring diagram ................12 Function LME................13 Mounting ................16 Gas nozzle..................17 Tightness control ................ 18 De-aerating ................... 18 5.4 Calculation of gas flow .............. 19 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
A measure B measure C ø140 ø110 ø140 ø110 *410 *506 **200 * The above dimensions are max. measurements. Depending on the components used, the measurements may vary. ** Min. recommended distance to fl oor. 172 515 17-3 2022-12-06 Bentone... -
Page 7: Capacity Range
HR, HU, IE, IS, IT, LT, LU, LV, MK, MT, NL, NO, PL, PT, RO, 20 mbar RS, SE, SI, SK, TR AT, CH, CY, DK, FI, LT, RO, SE, SK 20 mbar 2H3B/P GB, IE 20 mbar 2H3P NL, RO 20 mbar 2L3B/P 20 mbar 2E3B/P 20 mbar 2E(R)B 20 mbar Bentone... -
Page 8: Technical Specification
Installation must be done so it does not prevent air supply to the burner. Working field G20, G25 61-320 kW mbar G30, G31 61-340 kW Do not exceed working field. Bentone... -
Page 9: Components
Air pressure switch Gas pressure switch Transformer Air adjustment Ball valve Ionization electrode Inner assembly adjustment Burner control Inner assembly Gas valve (MultiBloc) Electrical connection Nozzle Brake plate Flame tube Reset button Connecting pipe Fan wheel Air damper Motor Bentone... -
Page 10: Skeleton Diagrams, 1-Stage Burner
Gas pressure switch, Min. Gas pressure switch, Max. Main valve Safety valve Leakage control Air pressure switch Burner control Pos. 5b, 7: Components not required according to EN 676. Required over 1200 kW according to EN 676. 172 515 04 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 05-3 2022-09-15 Bentone... -
Page 13: Function Lme
Reset time after lockout < 1 s < 1 s Reaction time on fl ame failure < 1 s < 1 s Min. ionisation current at fl ame 5 µA 5 µA Max. ionisation current 20 µA 20 µA Bentone... - Page 14 Pause c:a 3 s 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
Natural gas Butan 32.25 24.44 Natural gas 29.25 Propan 88.00 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. 172 515 07-2 Bentone... -
Page 20: Settings
Control of burner head To check the burner head, brake plate and electrodes, see chapter Service Combustion device. 172 515 09-2 2022-11-25 Bentone... -
Page 21: Startup
Max % CO Gas quality % CO Lambda 1.2 ≈10 Natural gas 3 - 5 11.9 ≈11.5 Propane 3 - 5 13.9 ≈11.5 14.1 Butane 3 - 5 Liquefied ≈11 3 - 5 13.8 petroleum gas Biogas 3 - 5 Bentone... -
Page 22: 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. Bentone... -
Page 23: 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. Bentone... -
Page 24: Gas Valve Multibloc Dle 405 - 412
Gas fl ow direction Test point connection G 1/8 upstream of V1, possible on both sides Vent nozzle, regulator Filter (below fl ange) Input fl ange Pressure switch Electrical connection for valves (DIN EN 175 301-803 connector) 172 515 12-2 Bentone... - Page 25 Turn the adjustment knob (d) (use the protective cover as a tool) to the desired start gas flow. Turn to the right = the start gas flow is reduced • Turn to the left = the start gas flow is increased • Adjustment of start gas flow Adjustment of governor Bentone...
- Page 26 Pressure taps 1, 3, 4, 5 Screwed sealing plug G 1/8 2 Measuring nozzles Electrical connection S 20/S 50 Bentone...
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Page 27: Service
Gas valve with leak testing 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: Replacement, Damper Motor Air
Refit the damper and damper plate. Adjust the damper before tightening the screws (d). Install the intake grille for the air intake. Switch on the main power and open the fuel supply. Start burner and check/adjust combustion. 172 625 06 2022-11-24 Bentone... -
Page 30: 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 08-2 Bentone... -
Page 31: 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 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 the screw on the cover to attach the vibration sensor. 172 625 10 Bentone... -
Page 33: Control Of Flame Monitoring And Ionization Current
Required current to ensure detection Min. DC 3 µA Possible detection current Max. DC 20 µA Operational indicator lamp flashes green <5 µA DC >5 µA DC Operational indicator lamp shines green 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 >45 µA DC Operational indicator lamp shines green Bentone...
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Page 35: 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 36: 10. 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. Phase and neutral swapped around. Check wiring diagram and change accordingly. 172 615 06 2018-01-10 Bentone... - Page 37 Flame at incorrect angle due to combustion head out of Check the combustion head and readjust. 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 38: 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 39 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 40 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.
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