background image

Providing sustainable energy solutions worldwide

178 089 26-1 

P93783  2022-11-16

Installation- and maintenance instruction

STG 146/2 Biogas

LME23.331C2

DMV-DLE 512

FRS 510

VPS 504

Translation of the original instructions.

Summary of Contents for LME23.331C2

Page 1: ...sustainable energy solutions worldwide 178 089 26 1 P93783 2022 11 16 Installation and maintenance instruction STG 146 2 Biogas LME23 331C2 DMV DLE 512 FRS 510 VPS 504 Translation of the original ins...

Page 2: ...loaded at www bentone com ecodesign da 1 Manualer p andre sprog 2 www bentone com download eller scan QR koden 3 Indtast br nderens artikelnummer der findes p typeskiltet se billede og v lg dit sprog...

Page 3: ...cator LME 15 5 Mounting 17 5 2 Gas nozzle 18 5 3 De aerating 18 5 1 Tightness control 18 5 4 Calculation of gas flow 19 6 Settings 20 6 1 Air settings 20 6 2 Nozzle adjustment 20 6 3 Startup 21 6 4 Co...

Page 4: ...only be carried out by persons who have undergone relevant training The product is packaged to prevent damage from occurring when handled Handle the product with care Lifting equipment must be used to...

Page 5: ...llation and servicing to prevent leakage Fitting and installation work has been completed and approved Electrical installation has been correctly performed Flue gas ducts and combustion air ducts are...

Page 6: ...iogas max 0 1 Vol H2 S and min 50 CH4 2 1 Dimensions STG 146 2 Min recommended distance to floor Length of flame tube Flame tube measure A Flame tube measure B 145 122 104 245 222 104 2 1 1 Measuremen...

Page 7: ...DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MK MT NL NO PL PT RO RS SE SI SK TR 20 mbar I2ELL DE 20 mbar I2H AT BG CH CZ DK EE ES FI GB GR HU IE IS IT LT LV NO PT RO SE SI SK TR 20 mbar I2Er FR 20...

Page 8: ...4 28 32 40 50 60 70 80 90 100 110 Air settings Nozzle assembly Scale Burner output 2 5 Working field 2 6 Setting for insert and air damper Basic settings should only be seen as setting values to get b...

Page 9: ...ansformer 3 Connection Gas valve 4 Gas valve 5 Pressure regulator 6 Filter 7 Flame tube 8 Brake plate 9 Ignition electrode 10 Motor 11 Nozzle assembly adjustment 12 Air setting 13 Gas pressure switch...

Page 10: ...10 Bentone 14 Flame detector 15 Valve proving system VPS 16 Fan wheel 17 Air pressure switch 160303 606 17 14 15 16...

Page 11: ...Bentone 172 535 36 2022 11 16 2 8 Skeleton diagrams 1 Ball valve 2 Filter 3 Governor 5a Gas pressure switch min 6a Main valve 6b Safety valve 7 Valve proving system 1 2 3 5a 6a 6b 7 Gas valve MultiBl...

Page 12: ...nt boiler The power information on the type plate refers to the burner model s min and max effect 3 5 Gas supply In order to obtain good operational safety it is important that the installation of the...

Page 13: ...equirements are met by other means safety circuits must be bypassed jumpered This can differ between different systems in which the burner is installed see rules and regulations that apply The cables...

Page 14: ...ition spark 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 I...

Page 15: ...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 Table colour codes for multi c...

Page 16: ...table Red blinking code on signal lamp LED Possible causes Blinking 2 x No flame creation at End of TSA defective or fouled flame monitoring defective or fouled fuel valves poor burner setting defecti...

Page 17: ...nge as a template and fasten with M8 M10 screws 2 Loosen the burner tube D and fit the enclosed gasket E around the flame tube and check that the ignition electrodes are set correctly see chapter Gas...

Page 18: ...When de aerating is complete do not forget to screw the screw back into the measuring nipple 5 1 Tightness control When testing for leaks the solenoid valve must be closed Connect a pressure gauge to...

Page 19: ...6 m3 h Hi 0 9 9 45 kW m3 Calculate standard volume using the following formula f 273 x PBaro PGas f 273 945 20 0 90 273 tGas 1013 273 15 1013 Calculate conversion factor using the following formula V...

Page 20: ...the position of the nozzle assembly in the burner head The position of the nozzle assembly must be adjusted to achieve as favorable pressure drop across the brake plate as possible Which position to...

Page 21: ...the burner is ready to start up Read the sections dealing with settings of gas valve damper motor and combustion device before start up Open the ball valve and turn on the main switch start the burne...

Page 22: ...ssure drops so much that poor combustion occurs 1 Remove protective cover 2 Start the burner 3 Carefully turn the scale on the air pressure switch clockwise until the air pressure switch stops the bur...

Page 23: ...er for measuring connection pressure 3 Start the burner 4 Measure and note the connection pressure to the burner at the highest input power 5 Set the gas pressure switch to a value 10 15 lower than th...

Page 24: ...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 test pressure is attained...

Page 25: ...mp motor Solenoid valve Differential pressure sensor Release signal Fault signal VPS 504 Not TIGHT VPS 504 TIGHT 41 VPS 504 T THETSTEST 0 31 VPS 504 TIGHT TEST 41 VPS 504 TIGHT 0 31 7 3 Electrical con...

Page 26: ...ection 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 Scre...

Page 27: ...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 28: ...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 29: ...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 30: ...llation 1 year 3 000 h Leak check 1 year 3 000 h Filter 1 year replacement at p 10 mbar 3 000 h replacement at p 10 mbar Electrodes Replacement cleaning 1 year Replacement ceaning 3 000 h Brake plate...

Page 31: ...burner out of fixing flange 4 Loosen screws I and remove flame tube 5 Clean brake plate and nozzle if necessary 6 Check electrodes replace if necessary See chapter Gas nozzle for setting electrodes 7...

Page 32: ...or replace if necessary 5 If replacing fit the new motor on the existing motor flange 6 Check that the o ring J is intact and that it is not damaged during fitting 7 Fit the fan wheel so that there i...

Page 33: ...flame tube 5 Disconnect ignition cable 6 Disassemble the burner by loosening the through screw K and removing the front piece 7 Check function and appearance of the various components included in the...

Page 34: ...1 Disconnect the main power and switch off the fuel supply 2 Note the connection of the existing component and disassemble 3 Fit new component with same connection or with specified alternative conne...

Page 35: ...bration sensor 10 7 Vibrations Maximum permitted vibration level is 5 0 mm s Check tightness of fasteners Check fan wheel for damage and contamination replace if necessary Check motor shaft and bearin...

Page 36: ...rmal operation this current must be significantly higher preferably more than 10 A The reason for too low ionization current can be creep current poor connection to earth dirt or that the flame electr...

Page 37: ...s necessary only if a malfunction is suspected 10 8 3 Flame monitoring UV detector QRC Technical data Idle voltage at ION terminals AC 115 230V Short circuit current Max AC 100 300 mA Max current for...

Page 38: ...t the gas switch switches off at the set value Remove the hose for the air pressure switch to check that the burner locks out Check that all protective covers and measurement nipples are mounted and f...

Page 39: ...n to cable connectors Adjust connection Ignition cables damaged Replace Transformer damaged no power to secondary winding Replace the transformer Ignition cable and ionisation cable swapped around Rec...

Page 40: ...elow 15 of rated voltage Contact an electrician if necessary Incorrectly set or faulty air sensor Check the settings and reset or replace Ignition electrode overload Replace Burner control ambient tem...

Page 41: ...easure ment 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 Measure ment C A Before Aft...

Page 42: ...ctive 2006 42 EC EMC 2014 30 EU The Restriction of the Use of Certain Hazardous Substances RoHS Directive 2011 65 EU References to the relevant harmonised standards used or references to the other tec...

Page 43: ...n Electrical and Electronic Equipment Regulations 2012 References to the relevant harmonised standards used or references to the other technical specifications in relation to which conformity is decla...

Page 44: ......

Page 45: ......

Page 46: ......

Page 47: ......

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

Reviews: