Bentone BG 450-2 Installation And Maintenance Instruction Download Page 37 | Manualshive

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37

Bentone

10. Electric equipment

10.1 Safety system

Safety systems must be installed in accordance with regulations that are
applicable for the appliance. This may differ according to the process burner
are installed in to. Se local regulations for information.

Safety system cables must be run in separate cables outgoing signal must
not come in same cable as incoming signal. 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 38 2018-01-12

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Summary of Contents for BG 450-2

Page 1: ...Providing sustainable energy solutions worldwide 178 057 76 5 2020 02 13 Installation and maintenance instruction BG 450 2 Biogas...

Page 2: ...2 Bentone...

Page 3: ..._____________ 19 4 14 Low load __________________________________________________ 19 4 15 Full load ___________________________________________________ 19 5 Setting the burner ________________________...

Page 4: ...dry environment max 80 relative humidity no condensation Temperature 20 to 60 C Check that the burner is compatible with the boiler s output range All components must be installed without being bent...

Page 5: ...be put into operation without proper safety and protection devices A Class BE fire extinguisher is recommended It is forbidden to alter thedesign or use accessories which have not been approved by Ene...

Page 6: ...ge check 1 year 3000 hrs Filter 1 year replacement at p 10 mbar 3000 hrs replacement at p 10 mbar Electrodes Replacement Cleaning 1 year Replacement Cleaning 3000 hrs Brake disc Replacement Cleaning 1...

Page 7: ...ove dimensions are max measurements Depending on the components used the measurements may vary Min recommended distance to floor I H E J A D E F G B C Dimensions stated in mm Type Length of burner tub...

Page 8: ...n power Nm3 h 1 Gas quantity at max power Nm3 h 1 Max connection pressure mbar Min connection pressure mbar see data plate Lower heat value Hu at normal state 15 C and 1013 25 mbar EN676 Grade of gas...

Page 9: ...550 600 Mbar kW 2 2 5 Electric Specification Do not exceed working field Measurements according to EN 3746 2010 Alt 1 The sound level of the burner can be reduced by equipping the burner with silence...

Page 10: ...pressure switch 6 Fan housing 7 Brake plate 8 Ignition electrode 9 Ionisation electrode 10 Motor 11 Gas connection 12 Air intake 13 Air damper 14 Air pressure switch 15 Impulse pipe 16 Gas pressure sw...

Page 11: ...f the gas burner and the whole installation The supplier must instruct the user 3 4 Inspection and maintenance See service schedule 3 5 Start up After the burner has been fitted to the boiler and the...

Page 12: ...of the installation If not please contact the supplier 2 Check that the gas components of the burner are approved for indicated gas pressure 3 The gas supply system should be installed in accordance w...

Page 13: ...screwed in the flow of gas to the burner increases by lifting the valve During initial setting the valve must have been lifted by the adjustment screw after 1 2 turns This valve is always open and th...

Page 14: ...14 Bentone 4 7 Handling and lifting instruction 4 7 1 BG 450 Figure 1 Option The lifting aids we use here are available as accessory Figure 1 172 515 29 2018 01 02...

Page 15: ...ate from the fan housing 3 Loosen screw D on the nozzle assembly 4 Disconnect the electrical cables to the valve assembly and gas damper motor 5 Undo the screws B on both sides 6 Undo the end stops C...

Page 16: ...there is enough slack in the electrical cables to the valve assembly and gas damper motor to pull out the burner body in the rear position on the guides If there is not enough slack the cables can be...

Page 17: ...utral are not reversed The gas shut off cock should be closed To prevent the gas pressure switch from locking out it should be linked temporarily After the main switch has been switched on and the the...

Page 18: ...18 Bentone 4 11 Gas nozzle 45 Natural gas Propan Biogas UV detector...

Page 19: ...0 Adjust the operating switch back to low load and check the air volume 4 15 Full load Adjust the operating switch to low load Reduce the air volume Turn red cam towards 0 Inrease the air volume Turn...

Page 20: ...The best position is among other things dependent on the input power and overpressure in the boiler A general rule of thumb is that the smaller the capacity the smaller the gap should be between the b...

Page 21: ...ch clockwise until the air pressure switch stops the burner Is the tolerance on the scale for the min air pressure switch approx 15 4 Try to find the pressure at which the burner stops for both the mi...

Page 22: ...o the burner during normal operation at the highest input power 5 Based on the desired connection pressure set determine the connection pressure at which the gas pressure switch should stop the burner...

Page 23: ...on for external pulse G 1 4 screw plug ISO 228 on both sides optional 3 G 1 4 screw plug ISO 228 in inlet pressure range on both sides Max operating pressure 500 mbar Pressure regulator Class A Ambien...

Page 24: ...ducing outlet pressure setpoint 4 Check setpoint 5 Screw on protective cap A 6 Attach lead seal Page 5 4 B E C D B A 3 Replace setting spring 3 4 1 Remove protective cap A Release spring by turning ad...

Page 25: ...connection IEC 730 1 VDE 0631 T1 Volt U n AC 230 V Valve 2 x Class A Ambient temperature 15 C 60 C IP 54 Family 1 2 3 Max operating pressure 500 mbar DMV 505 520 11 Pressure taps 1 2 3 4 Sealing plug...

Page 26: ...draulic brake D 6 Remove sealing plug E 7 Exchange adjustment plate C or hydraulic brake D 8 Screw in countersunk and socket head screw Only tighten socket head screw so that hydraulic brake can just...

Page 27: ...as 6 0 21 60 5159 6 2 Recommended excess air when using default setting Grade of gas Excess air flue gases Max CO2 O2 CO2 Lambda 1 2 Natural gas 3 5 10 11 9 Propane 3 5 11 5 13 9 Butane 3 5 11 5 14 1...

Page 28: ...0 19 Nm3 h Hu 9 5 0 90 Example C V 0C Q 160 19 Nm3 h Hu 0 00116 8126 0 00116 0 90 If the barometer reading altitude pressure and temperature of the gas deviate significantly from normal values this mu...

Page 29: ...ually to measure how long it takes for the burner to consume a certain quantity of gas To measure t Time for a certain quantity of gas consumed by the burner h M Quantity of gas consumed m3 V Actual g...

Page 30: ...e Euro plugs from the burner 2 Remove the cover and disconnect the ignition cable ionisation cable and control arm D from the gas nozzle 3 Loosen the nuts B and pull the burner body out of the guides...

Page 31: ...t the air intake 5 Remove the screws G securing the damper motor mounting plate 6 Lift up the damper motor 7 Clean the air damper and the intake Lubricate any damper shaft 8 Re install the damper moto...

Page 32: ...e 9 Install the new damper motor on the mounting plate 10 Fit the control arm on the damper motor shaft It is important that the screw is perpendicular to the plane of the shaft 11 Re install the damp...

Page 33: ...vibration level are 5 0 mm s Check all bolts and nuts for correct torque Check fan wheel for damage and contamination Change when dirty unbalanced Check motor bearings If worn change motor bearings U...

Page 34: ...lectrode and gas burner control Connect the ammeter according to the diagram The minimum required ionisation current is shown in the table In practice this current must be significantly higher prefera...

Page 35: ...s LMExx xxxx2 use of UV ancillary unit AGQ3 A27 is mandatory Correct functioning of aged UV cells can be checked as UV test with a higher supply voltage across the UV cell after controlled shutdown un...

Page 36: ...dependent on three factors electricity gas and air supply Should there be any changes in the ratio between these three factors there is a risk of break downs It has been proved that most break downs...

Page 37: ...er are installed in to Se local regulations for information Safety system cables must be run in separate cables outgoing signal must not come in same cable as incoming signal Signals must be in differ...

Page 38: ...38 Bentone 10 2 Wiring diagram LME If there is no Plug in contact X4 X6 on the boiler connect to the contact enclosed If S6 is missing connect T6 and T8...

Page 39: ...ner X6 Plug in contact stage 2 boiler Y1 Gas solenoid valve 1 Y2 Gas solenoid valve 2 Y3 Safety solenoid valve 10 3 1 Function LME 1 Operating switch ON Thermostat ON Gas pressure switch ON A check th...

Page 40: ...ng green Illegal flame signal during start up Green Red Undervoltage Yellow Red Fault alarm Red Blinking code for fault codes Blinking red Interface diagnostics Red flicking 10 4 1 1 Diagnosing alarm...

Page 41: ...ves defective or fouled flame monitoring Flashing 8 x Free Flashing 9 x Free Flashing 10 x Connection fault or internal fault outgoing contacts or other faults Flashing 14 x CPI contact not closed Dur...

Page 42: ...essure pe in the section by approx 20 mbar compared with the input pressure at valve V1 During the test time the integrated diffferential pressure sensor monitors the test section for leaks When the t...

Page 43: ...504 TIGHT 41 VPS 504 T THETSTEST 0 31 VPS 504 TIGHT TEST 41 VPS 504 TIGHT 0 31 Electrical connection VPS 504 series 02 The VPS 504 is connected in series between the temperature regulator and the con...

Page 44: ...fault Action Burner does not start No gas Make sure all gas taps are open No power Check the fuse thermostat and electrical connections Burner motor does not start Motor protection has tripped Motor...

Page 45: ...Reduce air volume Ignition load incorrectly set Increase decrease gas supply Reduce airflow Gas pressure too low Increase pressure If necessary contact gas supplier Pulsations at start up Ignition el...

Page 46: ...g natural gas and liquefied petroleum propane butane Choke the air supply Poor air supply Open the air supply Check flue gas damper Holes in gas nozzle clogged Clean Poor fresh air intake Check and in...

Page 47: ...172 905 04 2018 02 15 12 EU Declaration of conformity Bentone Gasburners...

Page 48: ...rmostats etc are correctly adjusted 10 Read the instructions and follow the directions given for the burner as to starting up and service 14 5 2 Maintenance 1 Switch off the current with the main swit...

Page 49: ...room Chimney Measu rement C A Before After mbar mbar Small Flame Large Flame Measures Date Nm3 gas h Governor CO2 CO Fluegas temp Ionisation current Pressure Efficiency Fire room Chimney Measu rement...

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Page 52: ...Enertech AB P O Box 309 SE 341 26 Ljungby www bentone se www bentone com...

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