Bentone BG 400-2 Installation And Maintenance Instruction
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- Installation and maintenance instruction (44 pages) ,
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Summary of Contents for Bentone BG 400-2
- Page 1 CR00301 178 001 74-5 2021-06-09 Providing sustainable energy solutions worldwide Installation- and maintenance instruction BG 400-2 LME22.232C2E MB-ZRDLE 407-412 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\download 2. www.bentone.com\download nedladdning or scan QR-code. eller scan QR-koden. eller scanna QR-koden.
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Page 3: Table Of Contents
Capacity range __________________________________ 8 Gas categories, approved gases ____________________ 8 7. Handing over of the installation ______________________ 32 Working field BG 400-2, BG 400 M _________________ 9 8. Fault location, functional troubles ____________________ 32 Electric Specification EN 60335-2-102 ______________ 9 9. -
Page 4: General Information
• Burner pipes, fan wheels and air dampers may contain sharp edges. • The surface temperature of the burner’s components can exceed 60 °C. • Caution: The burner has moving parts, and there is risk of crushing injuries. 172 515 01 2018-01-02 Bentone... - Page 5 Open windows and doors. Close the gas ball valve. Warn residents; do not use doorbells. Evacuate the building. Notify the installer or gas supplier once the building has been evacuated. Bentone...
- Page 6 Delivery check • Make sure everything is delivered and the goods have not been damaged during transit. • If something is wrong with a delivery, report it to the supplier. • Transport damage must be reported to the shipping company. Bentone...
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Page 7: Technical Data
BG 400 * The above dimensions are max. measurements. Depending on the components used, the measurements may vary. ** Min. recommended distance to floor. ***Dimensions when installing blast tubes from the inside of the boiler. 172 515 61-2 2021-04-16 Bentone... -
Page 8: Capacity Range
Gas quantity Gas quantity Max. Min connection at min. power at max. power connection pressure mbar pressure mbar BG 400-2, BG 400 M G20 61-325 34,2 G25 61-310 37,8 see data plate G30 61-350 10,5 G31 61-340 14,2 ) Lower heat value Hu at normal state 15°C and 1013.25 mbar EN676... -
Page 9: Working Field Bg 400-2, Bg 400 M
2.4 Working field BG 400-2, BG 400 M G20 61-325 kW mbar G25 61-310 kW Do not exceed working field. G30 61-350 kW mbar G31 61-340 kW 2.5 Electric Specification EN 60335-2-102 Burner correspond to IP20 Type BG 400 Motor 250W, 230V, 1.7A, 50Hz... -
Page 10: Description
Air damper Transformer Reset button Air intake Ionization electrode Inner assembly Air pressure switch Gas pressure switch Damper motor Ball valve Nozzle Inner assembly adjustment Electrical panel Brake plate (not for town gas) Fan wheel Flame cone Electrical connection Bentone... -
Page 11: General Instructions
Adjust the burner to appr. 20% excess air in accordance with the table. Check the flue gas temperature. Calculate the efficiency. Check also the actual gas volume on the gas meter so that the correct input is achieved. 172 515 03-2 Bentone... -
Page 12: Installation
(see Basic settings). Note that it is only a basic setting which should be adjusted once the burner has been started. If an electric connection other than the one recommended by Enertech is used, a risk of damage and injury can arise. 172 515 03-2 Bentone... -
Page 13: Mounting On The Boiler
Connect the gas to the burner by means of the ball valve. Ensure that the union nut, ball valve and tubing make it easy to remove the burner for inspection and service. Check the gas tightness. 172 515 06 2018-01-02 Bentone... -
Page 14: Inspection Of Gas Nozzle Before Commissioning
2 and just before the end of the pre-purging period it goes down to the air setting for stage 1. On some burners under 350kW the pre-purging mainly takes place with the air damper set for stage 1. 172 515 08 2018-01-02 Bentone... -
Page 15: Gas Nozzle
4.8 Gas nozzle Natural gas Propan Biogas (UV detector) 172 515 08 2018-01-02 Bentone... -
Page 16: Setting Damper Motor 2-Stage
90° to increase airfl ow. • Return the control switch to position I (low load) and check the combustion values. Solenoid valve High load (black) High load (red) Low load (orange) Closed air damper (blue) Release button 172 511 14-2 2021-05-03 Bentone... -
Page 17: Setting The Burner
Loosen the nuts a. Swing out the burner. Remove the screw b and the knob for adjustment of burner head. Loosen the screw c so much so that the inner assembly can be pulled out. Control of burner head 172 515 10 2018-01-02 Bentone... - Page 18 Gas quality max. CO lambda 1,2 Open the ball valve and switch on the main switch. If the Natural gas 10,0 4±1 11,9 burner starts the actual adjustment can be made. 11,5 4±1 13,9 Bentone...
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Page 19: Setting The Air Pressure Switch
This is to ensure the reliable function of the burner. If breakdowns or interruptions occur, the air pressure switch is probably set to a too narrow position. Fit the protective cover, screw (Y). Bentone... -
Page 20: Setting The Min. Gas Pressure Switch
The tolerance on the scale for the min. gas pressure switch is approx. ±15%. Open the ball valve. Remove the pressure gauge and close the pressure outlet (X). Check the gas tightness. Fit the protective cover, screw (Y). Bentone... -
Page 21: Skeleton Diagrams
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.hhh 172 515 05 2018-01-02 Bentone... -
Page 22: Multiblock Mb-Zrdle 405-420
2. Knob for adjustment of stage 1 Turn to the left = the start gas fl ow is Test nipple, pressure after governor increased. Test nipple for nozzle pressure Filter Fixing fl ange Ball valve 172 515 11 2018-01-03 Bentone... - Page 23 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 Multi-bloc MB-ZRDLE 405-420 Flow adjustment 172 515 11 2018-01-03 Bentone...
- Page 24 5.6.1 Pressure taps 1,2,3,4,5 1/8 screwed sealing plug 5.6.2 Electrical connection S 20/S 50 172 515 11 2018-01-03 Bentone...
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Page 25: Recommended Excess Air When Using Default Setting
Lower heat value Hu at normal state 15°C and 1013.25 mbar EN676 Grade of gas kWh/Nm MJ/Nm kcal/Nm Natural gas 34.02 8126 Natural gas 29.25 6986 Butane 32.5 116.09 27728 Propane 24.6 88.00 21019 Biogas 21,60 5159 172 515 13 Bentone... - Page 26 Temperature of gas at the gas meter [°C] Barometer reading [mbar] Pressure of gas at the gas meter [mbar] Factor calculated for multiplication with flow in Nm /h to arrive at actual flow in Nm Actual flow · 273+T 1013.25 Bentone...
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Page 27: Calculating The Quantity Of Gas Supplied
= Time for a certain quantity of gas consumed by the burner. M = Quantity of gas consumed. V = Actual gas flow Calculation example: t = 1 min 10 s M = 330 dm (litre) 0.33 m 1000 0.0194 h 3600 0,33 ≈ 17 m 0.0194 Bentone... -
Page 28: Service
Check the ionisation electrode (see chapter Gas nozzle). Replace if necessary. Fit the combustion assembly in reverse order. Press the burner together and lock using the nuts (B). Fit the Euro plugs and turn on the main power supply. Check/adjust the combustion. 172 615 08 2018-01-03 Bentone... -
Page 29: Replacement Of Damper Motor, Air
Re-install the damper motor and mounting plate on the air intake. Ensure that the damper shaft and control arm are connected correctly. Connect the damper motor cable. Fit the Euro plugs and turn on the mains power. Check/adjust the combustion. Bentone... -
Page 30: Flame Monitoring And Ionisation Current Check
Required current to ensure detection Min. DC 3 µA Possible detection current Max. DC 20 µA Operational indicator lamp flashes green <5 µA DC Operational indicator lamp shines green >5 µA DC 6.3.1 Flame monitoring ionisation 172 615 02-2 Bentone... - Page 31 Max. current for flame detection Max. DC 5.5 µA Required current to ensure detection Min. DC 40 µA Possible detection current Max. DC 60 µA Operational indicator lamp flashes green <45 µA DC Operational indicator lamp shines green >45 µA DC Bentone...
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Page 32: Handing Over Of The Installation
• Is the circulation pump in operation? • Is there a supply of fresh air to the installation? • If integral components are of a different make from what is stated in this manual, see the enclosed loose-leaf. 172 615 04 Bentone... -
Page 33: Electric Equipment
Signals must be in different harnesses for safety reasons. Safety system as door switches, water level, pressure, temperature and other safety limiters must be installed in safety loop according to process. 172 615 13-2 Bentone... -
Page 34: Wiring Diagram Lme
9.2 Wiring diagram LME Bentone... -
Page 35: 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 Max. ionisation current 20 µA Bentone... -
Page 36: Control Program At Faults; Fault Mode Indicator Lme
(waiting period ≥ 10 s) 9.4.1.2 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 37 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 38: Troubleshooting
Burner control faulty Replace Air pressure gauge incorrectly set or faulty Check the settings and reset, or replace No acknowledgement signal due to incorrect adjustment or Check the settings and realign. misalignment of the control motor cams. 172 615 06 2018-01-10 Bentone... - Page 39 Poor draught conditions. Check the chimney. Flue gas temperature too high. Boiler overloaded Decrease the gas volume, sweep the chimney if necessary. content too low. Choke the air supply. Check the boiler for any leakages. Choke the draught if too high. Bentone...
- Page 40 Flame at incorrect angle due to combustion head out of position. Check the combustion head and readjust. 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 41: General Instructions For Gasburners
11. General instructions for gasburners 11.4.1 Installation Follow standards and instructions applicable to the Check that the burner is adapted to the gas quality in installation of gas burners. question. Ensure that the electric installation is made in accordance Check that the input pressure of the gas is correct. with existing regulations. - Page 42 Service- and inspection card Installation Boiler Name: Type: Efficiency kW: Address: Burner Type: Efficiency kW: Installed by: Date: Date gas/h Governor Fluegas Ionisation Pressure Efficiency temp current Fire Chimney room Measu- rement Before After °C µ A mbar mbar Small Flame Large Flame...
- Page 48 Enertech AB. P.O Box 309, SE-341 26 Ljungby. www.bentone.com...