Bentone STG 120/2 Installation And Maintenance Instruction Download Page 2

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352011030141
Designation
Type
Model

Serial no.

Motor supply

Main supply

MADE IN SWEDEN BY

LIGHT OIL 35-90kW 1,25-6,0 cSt 7-14bar

BF 1 KS 76-24
BF 1
BF 1 KS 76-24

1234567

1~230V 1,0A 50Hz IP 20

Man.Year 2019

Cap. Min-Max

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Summary of Contents for STG 120/2

Page 1: ...oviding sustainable energy solutions worldwide CR00122 178 064 25 1 2020 10 29 Installation and maintenance instruction STG 120 2 STG 146 2 LME21 MD DLE 407 B07 Translation of the original instruction...

Page 2: ...KS 76 24 1234567 1 230V 1 0A 50Hz IP 20 Man Year 2019 Cap Min Max Manualer p vriga spr k www bentone com download or scan QR code Enter the burner s article number on your data plate see picture and s...

Page 3: ...commissioning _______ 16 4 9 Gas nozzle______________________________________ 17 5 MULTI BLOC _______________________________________ 18 5 1 Overview _______________________________________ 18 5 2 Mou...

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: ...ange A Measure A Standard 1 115 88 145 122 Long design 147 120 245 222 C A B D E G F B C D E F G STG 120 89 226 130 273 STG 146 103 340 253 135 165 305 Depending on which components that are used dime...

Page 8: ...0 Natural gas 10 0 kWh Nm3 G25 Natural gas 8 0 kWh Nm3 G31 Propane 26 kWh Nm3 G30 Butane 34 kWh Nm3 Gas quantity and capacity vary according to grade of gas and connection pressure Burner correspond t...

Page 9: ...pacity kW Pressure in fire place Pressure in fire place Capacity kW 2 1 1 Working field STG 146 2 G20 G25 41 133 kW STG 146 2 G30 G31 47 144 kW Capacity chart according to EN 676 STG 120 2 G20 G25 14...

Page 10: ...pply pressures Bestimmungsl nder Countries of destination II2R 3R 20 360mBar AT BE BG CZ CY HR DK FI FR DE GB HU IS IE IT LV LT LU MT NL NO PL PT MK RO RS SK SS ES SE CH TR GB EE II2H38 P 20 360mBar A...

Page 11: ...ltiBloc 6 Ionisation electrode 7 Inner assembly 8 Brake plate 9 Burner tube 10 Ignition electrode 11 Air damper 12 Front part fan housing 13 Rear part fan housing 14 Air pressure switch 15 Shielding a...

Page 12: ...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 13: ...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 14: ...ure gauge with shut off cock 5a Gas pressure switch mini 5b Gas pressure switch maxi 6a Main valve 6b Safety valve 1 7 Valve proving system 9 Air pressure switch 10 Electrical connection 11 Solenoid V...

Page 15: ...It is also possible to connect the gas to the multi bloc straight backwards The armature can also be extended so that it comes outside the boiler if there is not enough room Ensure that the distance b...

Page 16: ...control of the gas supply system the solenoid valve should be closed Connect a pressure gauge to the test nipple Pa see fig The test pressure in the system should be 1 5x max inlet pressure or min 150...

Page 17: ...17 Bentone 4 9 Gas nozzle Inner assembly Natural LPG Natural gas LPG 2 5 8...

Page 18: ...tion G 1 8 downstream of valve1 possible on both sides 9 Outlet flange 10 Test point connection M4 downstream of valve 2 11 Gas flow direction 12 Bypass throttle V3 Pilot flame 13 Vent nozzle regulato...

Page 19: ...er A Electrical connection to screw terminals 1 2 3 6 Perform leakage and function test 7 Set switching point Remove cover B if there is no contact from terminal 1 to terminal 3 when valve is closed R...

Page 20: ...gas flow Turn to the right the start gas flow is reduced Turn to the left the start gas flow is increased Adjust start gas flow to desired value Connect contact X50 5 5 Flow adjustment main valve V2...

Page 21: ...4 5 2 0 Filter cover 1 3 4 6 G 1 8 screw plug 2 Test nipple option 5 M4 screwed sealing plug 5 6 Skeleton diagrams 5 6 1 Multi bloc MBD LE B07 5 6 2 Electritrical connection MBD LE B07 P1 L1 P2 L2 Mp...

Page 22: ...late unit The output pressure upstream of valve V2 is defined by pretensioning the regulating spring 8 tension spring via setting screw 17 The output pressure acts via opening E on the working diaphra...

Page 23: ...inent position in the boiler room Instructions The user should be thoroughly instructed in the function of the gas burner and the whole installation The supplier must instruct the user Inspection and...

Page 24: ...ing turn the screw to the right To increase the opening turn the screw to the left The adjustment of the position of the brake plate affects the air flow It is therefore always necessary to make a fin...

Page 25: ...25 Bentone Adjustment of inner assembly Air adjustment Control of burner head 0 2 5 0 7 5 STG120 STG146...

Page 26: ...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 27: ...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 28: ...ed 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 Liquefied petroleum gas LPG 3 5...

Page 29: ...5 8 Nm3 h Hu 9 5 0 90 Example C V 0C Q 50 5 9 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 mus...

Page 30: ...ly 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 gas...

Page 31: ...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 32: ...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 33: ...dent 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 are ca...

Page 34: ...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 Signa...

Page 35: ...35 Bentone 172 615 76 2020 10 16 2 9 1 Wiring diagram Gas burner control LME21...

Page 36: ...is created 4 The gas solenoid valve is open The gas is ignited The ionisation electrode now indicates a flame 5 The safety time expires The ignition spark ceases The safety period ceases If the spark...

Page 37: ...n poor flame signal Flashinggreen Prohibited flame signal during start up Green Red Undervoltage Yellow Red Disruption alarm Red Flashing code for fault codes Flashing red Interface diagnostics Red fl...

Page 38: ...on Flashing 6 x Free Flashing 7 x Too many loss of flame during operation Poor burner installation Defective or obscured fuel valves Defective or obscured flame monitor Flashing 8 x Free Flashing 9 x...

Page 39: ...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 40: ...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 41: ...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 42: ...rmostats etc are correctly adjusted 10 Read the instructions and follow the directions given for the burner as to starting up and service 11 2 2 Maintenance 1 Switch off the current with the main swit...

Page 43: ...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 48: ...Enertech AB P O Box 309 SE 341 26 Ljungby www bentone se www bentone com...

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