Bentone STG 120/2 Installation And Maintenance Instruction
Hide thumbs
Also See for STG 120/2:
- Installation and maintenance instruction (48 pages) ,
- Installation and maintenance instruction (44 pages)
Related Manuals for Bentone STG 120/2
Summary of Contents for Bentone STG 120/2
- Page 1 178 064 25-4 P93783 2022-11-23 Providing sustainable energy solutions worldwide Installation- and maintenance instruction STG 120/2 LME21.550C2 MD-DLE 407 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.
-
Page 3: Table Of Contents
Startup ................... 21 Control of combustion .............. 21 Technical data ...............6 Setting the air pressure switch ..........22 Dimensions STG 120/2 ..............6 Setting the gas pressure switch, min........23 Output range ................. 7 Gas categories, approved gases ..........7 Gas valve ................24... -
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 STG 120/2 Ø B Flame tube Flame tube Length of fl ame tube Measure A Measure B Ø... -
Page 7: Output Range
Gas volume at a max Max. inlet Rated inlet pressures output Nm3/h 1) output Nm3/h 1) pressure mbar mbar STG 120/2 G20 15 - 50 1,45 G25 15 - 50 6,25 G30 18 - 70 G31 18 - 70 Gas quantity and capacity vary according to grade of gas and connection pressure. -
Page 8: Working Field
Technical specification STG 120/2 230V, 1~, 1.4A, 50/60Hz, IP20 Main supply Max fuse rating -class 74dBA Noise level Measurements according to EN 15036-1:2006 Alt.1 The noise level of the burner can be reduced by equipping the burner with silencer. Installation must be done so it does not prevent air supply to the burner. -
Page 9: Components
Air damper Transformer Motor Fixing fl ange Fan housing, front Electrical connection Gas valve (MultiBloc) Connection, gas valve Fan housing, rear Air pressure switch Gas pressure switch, min Ionisation electrode Gas nozzle Shielding wall, fan housing Brake plate Fan wheel Bentone... -
Page 10: Skeleton Diagram Cpi
Gas pressure switch, maxi Main valve Safety valve Valve proving system Air pressure switch Electrical connection Solenoid V3 Pos. 5b, 7: Components not required according to EN 676. Required over 1200 kW according to EN 676. 172 525 13 2020-10-08 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 LME... Brown Blue Green Yellow Gn/Ye Green/Yellow Black Grey White Orange Violet 172 615 76-4 2022-11-16 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 20 µA 20 µA Max. ionisation current Bentone... -
Page 14: Control Program When Disruption
(waiting time 10 s) Paus c:a 3 s Limiting of starting repetitions LME11 ... has a function with start repetition if the flame is not created at start ord disappears during operation.. LME11 ... allows max. three repetitions during coninuous 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...
-
Page 16: Mounting
Mount the fixing flange and the supplied gasket on the boiler. If new mounting holes must be drilled, use the fixing flange as a template and fasten with M8-M10 screws. Before obtaining access to electrical and fuel line components all supply circuits must be disconnected. 172 515 20-2 2022-09-07 Bentone... -
Page 17: Gas Nozzle
Gas nozzle Check that the ignition and ionization electrodes are correctly set before mounting on the boiler. Natural gas, LPG Natural gas 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
32.25 116.09 Natural gas Butan 29.25 Natural gas Propan 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. 172 535 28 Bentone... -
Page 20: Settings
Turn the screw in the desired direction with an allen key. Turn screw to the left to reduce opening. • Turn screw to the right to increase opening. • Nozzle assembly Air setting adjustment 172 515 22-2 Bentone... -
Page 21: Startup
Max % CO Gas quality % CO Lambda 1.2 3 - 5 11.9 ≈10 Natural gas 3 - 5 13.9 ≈11.5 Propane 3 - 5 ≈11.5 Butane 14.1 Liquefied 3 - 5 ≈11 13.8 petroleum gas 3 - 5 Biogas 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. 172 535 11-2 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. 172 535 12-2 Bentone... -
Page 24: Gas Valve
Electrical connection for pressure switch possible on both sides (DIN EN 175 301-803 connector) (option) Outlet flange Test point connection G 1/8 upstream of V1, possible on both sides Test point connection M4 downstream of valve 2 Gas flow direction 172 525 14 2020-10-16 Bentone... -
Page 25: Mounting Closed Position Indicator (Cpi)
Rotate setting screw C to ” + ” until switching point is reached. 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. Bentone... -
Page 26: Adjustment Of Governor
The flow adjustment can also be made by means of the governor. Adjust the outlet pressure to a value giving the desired gas flow on the fully open valve. At small capacities (gas flows) it is also necessary to adjust as above. Flow adjustment e:under cap Adjustment of V2 damper Bentone... -
Page 27: Skeleton Diagrams
Skeleton diagrams 7.6.1 MultiBloc MB-DLE..B07 p Br Filter cover 1,3,4,6 G 1/8 screw plug Test nipple (option) M4 screwed sealing plug p Br 5 3 4 7.6.2 Electritrical connection MB-DLE..B07 MB-D(LE) B07 S22 / S52 Bentone... - Page 28 19 at the hydraulic brake under the cover. 7.6.7 Closing function When the supply voltage to the main valve solenoid coils is interrupted, valves V1, V3 and V2 are closed within < 1 s by the compression springs. Bentone...
-
Page 29: 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 30: 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 aff ect combustion, fl ue gas analysis and soot test shall be carried out on the installation. 172 615 90-2 Bentone... -
Page 31: Fan Motor And Fan Wheel
Turn 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 shall be carried out on the installation. 172 615 96-2 Bentone... -
Page 32: Air Intake And Suction Cone
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 aff ect combustion, fl ue gas analysis and soot test shall be carried out on the installation. 172 615 97 Bentone... -
Page 33: 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 34: 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. 172 615 98 Bentone... -
Page 35: 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 8.8.1 Flame monitoring ionisation 172 615 02-3 Bentone... - Page 36 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...
-
Page 37: 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 38: 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. Check wiring diagram and change accordingly. Phase and neutral swapped around. 172 615 06 2018-01-10 Bentone... - Page 39 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...
-
Page 40: 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 41 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 42 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...
Need help?
Do you have a question about the STG 120/2 and is the answer not in the manual?
Questions and answers