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Bentone BG 550i M, Installation And Maintenance Instruction

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Bentone BG 550i M Installation And Maintenance Instruction Download Page 15

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Bentone 

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9

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18

1. 

Burner tube

2. 

Damper motor, gas

3. 

Min. gas pressure switch/tightness check

4. 

MultiBloc

5. 

Air damper

6. 

Damper motor, air

7. 

Connection gas fi ttings

8. 

Air pressure switch

9. 

Fan house

10.  Sight glass

11.  AZL display for LMV automatic control unit

12.  Switch 0-l

13.  Brake plate adjustment

14.  Guide bar

15.  Ignition electrode

16.  Shrouded disc

17.  Ionisation electrode

18.  Electrical connection

19.  Gas nozzle

20.  Motor

21.  Measuring nipple, fan pressure

22.  Connection fl ange

2.6.1  Components

172 525 59-2    2021-04-26/9

Summary of Contents for BG 550i M

Page 1: ...sustainable energy solutions worldwide Installation and maintenance instruction BG 550i 650i 700i 800i 950i M LMV37 MB DLE 412 415 J K IP40 Translation of the original instructions CR00264 178 130 80 2 2021 07 08 ...

Page 2: ...oaded at www bentone com ecodesign da 1 Manualer på andre sprog 2 www bentone com download eller scan QR koden 3 Indtast brænderens artikelnummer der findes på typeskiltet se billede og vælg dit sprog Detaljerede oplysninger om ecodesign kan downloades på www bentone com ecodesign fr 1 Manuels dans d autres langues 2 www bentone com download ou scannez le code QR 3 Saisir le numéro d article du br...

Page 3: ...onisation current check________ 36 6 7 Gas nozzle BG 550 BG 650_______________________ 37 6 8 Gas nozzle BG 550 LN ___________________________ 37 6 9 Gas nozzle BG 700 BG 800_______________________ 38 6 10 Gas nozzle BG 950_______________________________ 39 6 11 UV detector _____________________________________ 40 6 12 Setting the air pressure switch _____________________ 41 6 13 Setting the min g...

Page 4: ...a 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 twisted or subjected to mechanical or thermal forces which can affect the components The burner must be installed so that it complies with local regulations for fire safety electrical safety and fuel...

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 Enertech in writing Prior to operation the following points must be checked fitting and installation work has been completed and approved electrical installation has been correctly performed flue gas du...

Page 6: ...check 1 year 3 000 hrs Filter 1 year replacement at Δp 10 mbar 3 000 hrs replacement at Δp 10 mbar Electrodes Replacement Cleaning 1 year Replacement Cleaning 3 000 hrs Brake disc Replacement Cleaning 1 year Replacement Cleaning 3 000 hrs Motor 1 year 3 000 hrs Fan wheel 1 Year Replacement when cleaning needed imbalance 3 000 hrs Replacement when cleaning needed imbalance The burner and its compon...

Page 7: ...s Type Length of burner tube Flange measure A Burner tube measure B Burner tube measure C BG 550 Standard 1 256 226 162 162 Standard 2 356 326 Standard 3 456 426 BG 650 Standard 1 316 286 184 162 Standard 2 416 386 BG 700 Standard 363 328 220 205 Long variant 663 628 BG 800 Standard 396 361 261 205 Long variant 696 661 BG 950 Standard 1 350 310 280 254 1 172 525 59 2 2021 04 26 ...

Page 8: ...650 660 320 400 590 743 343 200 BG 700 820 410 510 730 970 420 200 BG 800 820 410 510 730 1022 472 200 BG 950 890 410 510 730 1027 472 200 2 1 1 Heat generator connection dimensions K L M K L M BG 550 M12 Ø 210 Ø 255 290 Ø 170 BG 650 M12 Ø 210 Ø 254 280 Ø 190 BG 700 M14 Ø 280 Ø320 380 Ø 210 Ø 230 BG 800 M14 Ø 280 Ø320 380 Ø 210 Ø 270 BG 950 M14 Ø 340 Ø420 490 Ø 260 Ø 290 172 525 59 2 2021 04 26 2 ...

Page 9: ...6 8 360 BG 950 G25 500 2800 61 342 BG 950 G30 500 3200 15 4 98 5 BG 950 G31 500 3200 20 130 kWh Nm3 MJ Nm3 kcal Nm3 G20 9 5 34 02 8126 G25 8 2 29 25 6986 G30 32 5 116 09 27728 G31 24 6 88 00 21019 Type Grade of gas Capacity kW Gas quantity at min power Nm3 h 1 Gas quantity at max power Nm3 h 1 Max connection pressure mbar Nominal connection pressure mbar see data plate see data plate see data plat...

Page 10: ...10 Bentone BG 550 2 3 Gas categories approved gases Only dry gas is permitted for use BG 700 BG 650 BG 800 BG 950 172 525 59 2 2021 04 26 4 ...

Page 11: ...V 50Hz 3 5 2 5A 0 75kW 2860rpm 230 400V 50Hz 6 5 4 0A 1 5kW 2890rpm The recommended main fuse motor C10A Fitting Natural gas Propane Butane 1 2 Control power 230V 1F 2 5A Sound 89 dBA 0 5 dBA 91 dBA 0 5 dBA 172 525 59 2 2021 04 26 5 Measurements according to EN 3746 2010 Alt 1 The sound level of the burner can be reduced by equipping the burner with silencer Installation must be done so it does no...

Page 12: ... 300 400 500 600 700 mbar kW G20 140 650 kW G25 140 600 kW 160303 254 2 0 2 4 6 8 10 12 100 200 300 400 500 600 700 mbar kW G30 G31 140 628 kW 160303 255 2 0 2 4 6 8 10 12 14 16 100 200 300 400 500 600 700 800 900 1000 1100 1200 mbar kW G20 G25 200 1125 kW G30 G31 200 1125 kW 160302 283 2 Do not exceed working field Do not exceed working field ...

Page 13: ...2 4 6 8 10 12 14 200 400 600 800 1000 1200 1400 1600 mbar kW G20 G25 300 1500 kW G30 G31 380 1650 kW 160303 251 4 0 4 8 12 16 20 24 28 32 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 mbar kW G20 G25 G30 G31 380 2400 kW 160302 280 2 4 0 4 8 12 16 20 24 28 32 400 900 1400 1900 2400 2900 3400 mbar kW G20 G30 G31 500 3200 kW G25 500 2800 kW 160302 287 2 ...

Page 14: ...14 Bentone 12 13 8 9 10 1 22 14 5 6 2 3 11 7 4 16 15 17 11 12 18 2 6 Description BG 550 BG 650 172 525 59 2 2021 04 26 8 ...

Page 15: ...n gas fittings 8 Air pressure switch 9 Fan house 10 Sight glass 11 AZL display for LMV automatic control unit 12 Switch 0 l 13 Brake plate adjustment 14 Guide bar 15 Ignition electrode 16 Shrouded disc 17 Ionisation electrode 18 Electrical connection 19 Gas nozzle 20 Motor 21 Measuring nipple fan pressure 22 Connection flange 2 6 1 Components 172 525 59 2 2021 04 26 9 ...

Page 16: ...16 Bentone 11 12 18 15 16 17 6 7 9 8 1 2 3 4 5 10 14 2 7 Description BG 700 BG 800 BG 950 172 525 59 2 2021 04 26 10 ...

Page 17: ... motor air 7 Connection gas fittings 8 Air pressure switch 9 Fan house 10 Sight glass 11 AZL display for LMV automatic control unit 12 Switch 0 l 13 14 Guide bar 15 Ignition electrode 16 Shrouded disc 17 Ionisation electrode 18 Electrical connection 19 Gas nozzle 20 Motor 21 Measuring nipple fan pressure 22 Connection flange 172 525 59 2 2021 04 26 11 ...

Page 18: ...ion and maintenance The unit must be serviced and maintained at the interval specified in the service schedule If the burner is in a dirty environment service should be done at more frequent intervals than specified 3 5 Start up After the burner has been fitted to the boiler and the electric connection the leakage control the venting and the electric function test have been carried out the burner ...

Page 19: ...icated gas pressure 3 The gas supply system should be installed in accordance with current standards 4 Pipe lines should be run so that service on boiler and burner is facilitated 5 Pipe lines should be run so that eventual contaminants cannot come into contact with the gas components 6 Gas discharge system must be installed prior to local regulations 4 4 Electric connection Before starting the el...

Page 20: ...ate from the fan housing 3 Undo the nut D to the nozzle assembly applies to BG 550 650 does not feature on BG 700 800 950 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 on the guides 7 Disconnect the ignition cable ionisation cable and control arm 550 650 only from the gas nozzle 8 Pull out the burner body from...

Page 21: ...22 Bentone 4 8 Handling and lifting instruction 4 8 1 BG 550 BG 650 The lifting aid used here is available as spare part 172 515 34 ...

Page 22: ...23 Bentone 172 515 37 The lifting aids we use here are available as accessory 4 9 Handling and lifting instruction 4 9 1 BG 700 BG 900 1 2 3 1 2 1 3 ...

Page 23: ...urner 2 Remove the cover plate from the fan housing 3 Undo the nut D to the nozzle assembly applies to BG 550 650 does not feature on BG 700 800 950 4 Disconnect the ignition cable and ionisation cable for the gas nozzle 5 Ensure 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 e...

Page 24: ... should be checked and if necessary the setting of the air damper adjusted to obtain good combustion Make the adjustment by turning screw X A left turn opens the brake plate providing a lower pressure drop and more air to the combustion process A right turn closes the brake plate providing a higher pressure drop and less air to the combustion process 5 1 2 Setting the combustion assembly BG 700 BG...

Page 25: ...me X Prepurge time seconds Steam generators at last prepurge 5 times firebox volume X Prepurge time seconds Industrial heating process at least prepurge at least 5 times firebox and adapted compartments volumes together Local regulations must be followed Example A X V 5 2 5 150 seconds Q 1 2 3600 200 1 2 3600 Example B X V 5 9 5 5 285 seconds Q 1 2 3600 500 1 2 3600 Example C X V 5 25 5 170 second...

Page 26: ... are normal values the heat value varies according to the origin of the gas For more exact information on values contact the gas distributor Lower heat value Hu at normal state 15 C and 1013 25 mbar Grade of gas kWh Nm3 MJ Nm3 kcal Nm3 Natural gas G20 9 5 34 02 8126 Propane G25 8 2 29 25 6986 Butane G31 24 6 88 00 21019 Town gas G30 32 5 116 09 27728 Biogas 6 0 21 60 5159 172 525 62 1 2021 04 26 3...

Page 27: ...V0B Q 2200 257 Nm3 h Hu η 9 5 0 90 Example C V 0C Q 2200 259 Nm3 h Hu 0 00116 η 8126 0 00116 0 90 If the barometer reading altitude pressure and temperature of the gas deviate significantly from normal values this must be taken into account as follows Calculation example Q 2200 kW HU Example A 34 020 MJ Nm3 Example B 9 5 kWh Nm3 Example C 8126 kcal Nm3 η 90 V0 Desired quantity of gas Nm3 h Q Boile...

Page 28: ...e here is usually 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 flow m3 h V V0 f VA V0A f 258 0 90 232 m3 h VB V0B f 257 0 90 231 m3 h VC V0C f 259 0 90 233 m3 h This means that the quantity of gas read from the gas meter should actually be read off...

Page 29: ... to a larger type 6 1 Servicing the combustion assembly Removal and installation 1 Switch off the mains power 2 Remove the cover and disconnect the ignition cable ionisation cable and control arm from the gas nozzle 3 Loosen the nuts B and pull the burner body out of the guides 4 Loosen the screw A this releases the combustion assembly and allows it to be lifted out 5 Check and clean the brake pla...

Page 30: ... the plane of the shaft 10 Re install the damper motor and mounting plate on the air intake Ensure that the damper shaft and control arm are connected correctly 11 Connect the damper motor cable to the automatic control unit 12 Turn on the mains power 13 Adjust the home position of the damper before tightening the screws 14 Push the damper motor forwards and backwards in the adjustment slot 15 Loc...

Page 31: ...32 Bentone I I J G G G H 172 615 56 2018 08 10 ...

Page 32: ...otor 8 Clean the air damper and the intake Lubricate any damper shaft 9 Re install the damper motor and mounting plate on the air intake Ensure that the damper shaft and control arm are connected correctly 10 Adjust the home position of the damper before tightening the screws I 11 Push the damper motor forwards and backwards in the adjustment slot 12 Lock the damper motor in position where the dam...

Page 33: ...e motor and damper 4 Undo the screws X and remove the damper motor from its damper plate 5 Install the new damper motor tighten the screws X 6 When tightening screw Y ensure that the damper is in the closed position 7 Connect the damper motor cable to the automatic control unit 8 Fit the Euro plugs and turn on the mains power 9 Check adjust combustion The burner is directly connected ensure that p...

Page 34: ...n Maximum 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 Use lid screw hole for sensor mounting ...

Page 35: ...ding to the ionisation principle The ionisation current should be checked on initial start up and at each service visit The reason for low ionisation current can be leakage current poor connection to earth fouling or incorrectly positioned ionisation electrode in the combustion head Sometimes the wrong gas air mixture can also cause a very poor ionisation current The ionisation current is measured...

Page 36: ...dge of brake plate B 3 mm A B A B A Position of ionisation detector B Position of ignition electrode Biogas UV detector 6 7 Gas nozzle BG 550 BG 650 Natural gas Propane Towngas 6 8 Gas nozzle BG 550 LN 1 172 525 63 1 2021 04 26 ...

Page 37: ...38 Bentone 6 9 Gas nozzle BG 700 BG 800 Natural gas Propane Biogas UV detector 15 20 45 3 4 1 10 12 3 3 5 Natural gas Propane 172 525 63 1 2021 04 26 2 ...

Page 38: ...39 Bentone 6 10 Gas nozzle BG 950 Distance electrode brake plate 3 4 45 Biogas UV sond 172 525 63 1 2021 04 26 3 Natural gas LPG ...

Page 39: ...e detector failures during startup and shutdown Operating voltage Max 350 V peak Required detector current in operation Min 70 µA Possible detector current in operation Max 600 µA Permissible length of flame detector cable normal cable laid separately Max 20 m UV flame detector QRA Measuring circuit for detector current measurement Legend A Incidence of light C Electrolytic capacitor 100 470 µF DC...

Page 40: ... air pressure switch 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 minimum and maximum input power by turning the scale Make a note of the values and then set the air pressure switch on the basis of the highest pressure noted at which the burner stopp...

Page 41: ...nnection pressure to 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 Set the connection pressure at which the burner is stopped at a level where the burner is stopped before poor combustion occurs 6 Set the min gas pressure switch to this value by t...

Page 42: ...onnect a manometer to measure the pressure downstream of the gas valve 3 Start the burner 4 Measure and make a note 5 Using the measured pressure the power monitor can be adjusted so that the burner can be stopped and its output can be limited 6 Adjust the power monitor by tuning the adjuster knob until the desired value is reached Test run the burner in the set power range 7 Remove the pressure g...

Page 43: ...downstream of the gas valve 3 Start the burner 4 Measure and make a note of the highest pressure downstream of the gas valve within the range of the set input power when the burner is operating under normal conditions 5 Based on the highest pressure measured downstream of the gas valve the desired pressure at which the burner must be stopped is set downstream of the gas valve 6 Set the max gas pre...

Page 44: ...ndent 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 caused by simple faults Before calling the service engineer the following should therefore be checked Is the gas cock open Are all fuses in order and the current switched on Are the thermostats correct...

Page 45: ...ilable JUMO 316 With three position signal up signal no signal and down signal Siemens RWF50 2 With three position signal up signal no signal and down signal Siemens RWF50 3 With analogue signal 4 20 mA LMV37 uses 4 20 mA For information and operation of the different regulators which can be installed directly on the burner see the enclosed manual When connecting an external regulator of a type ot...

Page 46: ... Running time Adjustable on the LMV3 Supply voltage AC DC 24 V 20 load on interface Power consumption Max 10 W Perm on time 50 max 3 min continuously Angular adjustment Usable range max 90 Degree of protection IP40 Rated resolution encoder monitoring 0 7 0 position of actuator drive shaft Supply state 0 0 6 Environmental conditions Temperature range 20 60 C Humidity 95 r h 9 1 SQM damper motor 9 1...

Page 47: ...ments The tightening torque of 1 5 Nm for the fixing screws must not be exceeded to prevent damage to the actuator and to ensure that the actuator does not twist on its mounting surface When mounting the actuator ensure that the permissible axial and radial loads on the bearing are no not be exceeded When fitting the actuator to the controlling element the correct mounting order must be observed I...

Page 48: ... Running time Adjustable on the LMV3 Supply voltage AC DC 24 V 20 load on interface Power consumption Max 10 W Perm on time 50 max 3 min continuously Angular adjustment Usable range max 90 Degree of protection IP54 Rated resolution encoder monitoring 0 7 0 position of actuator drive shaft Supply state 0 0 6 Environmental conditions Temperature range 20 60 C Humidity 95 r h 9 2 SQM damper motor 9 2...

Page 49: ...ments The tightening torque of 1 5 Nm for the fixing screws must not be exceeded to prevent damage to the actuator and to ensure that the actuator does not twist on its mounting surface When mounting the actuator ensure that the permissible axial and radial loads on the bearing are no not be exceeded When fitting the actuator to the controlling element the correct mounting order must be observed I...

Page 50: ... 5080 Environmental conditions Temperature range 15 70 C Humidity 95 r h Gas qualities No nonferrous materials Suited for use with gases up to max max 0 1 vol H2S dry Max operating pressure 500 mbar Max differential pressure over damper 250 mbar Max damper setting angle 90 10 Gas train 10 1 DMK gas butterfly damper 10 1 1 Technical specification All components must be installed without being bent ...

Page 51: ... a butterfly damper make sure you order the correct damper size with the correct inlet diameter When performing installation and service check whether the gas damper is in the closed position when the burner is turned off See image When installing a gas damper observe the direction of flow shown on the gas damper After working on a gas damper check the gas tightness ...

Page 52: ...h shut off cock 5a Gas pressure switch mini 5b Gas pressure switch maxi 6a Main valve 2 stage 6b Safety valve 7 1 Valve proving system 8 Air damper motor 9 Air pressure switch 10 Gas burner control LMV Pos 5b 7 Components not required according to EN 676 1 Required over 1200 kW according to EN 676 When Bio gas is used Enertech shall always be contacted ...

Page 53: ...ge Frequency 50 60 Hz 220 240 V AC 15 10 Switch on duration 100 Degree of protection IP54 Multi block connection flange VGD40 65 SKP15 25 DN65 VGD40 80 SKP15 25 DN80 Environmental conditions Temperature range 10 60 C Humidity 95 r h Gas qualities No nonferrous materials Suited for use with gases up to max max 0 1 vol H2S dry Max connection pressure VGD40 65 SKP15 25 1500 mbar static pressure when ...

Page 54: ...cation of V1 and V2 in operation 16 Electrical connection gas pressure switch min VPS 17 Pressure switch min VPS 18 Flange connection inlet 19 Data plate 20 Flange connection outlet 1 2 3 4 5 6 7 8 7 9 10 11 12 13 14 15 15 16 17 18 18 11 19 19 20 11 19 19 11 1 2 Overview A gas pressure switch for monitoring that the connection pressure does not get too low is mounted on the multi block so that it ...

Page 55: ...uator SKP15 SKP15 is mounted on the first valve of the multi block in the direction of gas flow The only function of this actuator is open close 11 1 6 Actuator SKP25 SKP25 is mounted on the second valve of the multi block in the direction of gas flow This actuator has two functions open close and controlling the gas pressure leaving the multi block 11 1 6 1 Adjusting the pressure regulator on act...

Page 56: ...11 1 6 3 Impulse pipe for pressure regulator SKP25 On multi block VGD40 SKP15 25 there is an impulse pipe for the nozzle pressure which is necessary for regulator SKP25 to function properly The impulse pipe has an inside diameter of 4 mm and an outside diameter of 6 mm The impulse pipe for the nozzle pressure to the regulator is fitted at the factory When replacing the impulse pipe a steel pipe mu...

Page 57: ...52 Rp 1 1 1 2 MB DLE 420 B01 S52 Rp 1 1 1 2 Environmental conditions Temperature range 15 70 C Gas qualities Suitable for gases of families 1 2 3 and other neutral gaseous media Multi block thread flange 12 Multi Bloc MB DLE 412 420 12 1 1 Technical specification Max connection pressure 360 mbar Adjustable regulator pressure MB D 412 B01 S52 4 50 mbar MB D 415 B01 S52 20 50 mbar MB D 420 B01 S52 2...

Page 58: ...easuring connection output pressure 7 Measuring connection G 1 8 after valve 1 possible on both sides 8 Output flange 9 Measuring connection G 1 8 after valve 2 10 11 Measuring connection G 1 8 before valve 1 possible on both sides 12 Plug with valve water tray regulator 13 Filter housing 14 Input flange 15 Measuring connection G 1 8 connection pressure 16 Gas pressure switch min 17 Electrical con...

Page 59: ...59 Bentone 172 515 91 2018 08 10 12 1 3 Pressure taps 12 1 4 Electrical connection 1 2 3 4 5 Locking screw G 1 8 Pressure outlets ...

Page 60: ...concerns the regulator on the multi block The regulator on the multi block should be set in such a way that the input pressure is reduced using the regulator this ensures that any variation in the input pressure will not affect the pressure leaving the block 12 1 6 1 Adjusting the pressure regulator 1 Open protective cover X 2 Adjust the pressure regulator by turning the adjuster screw with screwd...

Page 61: ...stages can be achieved To maintain a good robust supply of gas and robust subsequent combustion the pressure should be lowered in stages between the adjustments to the pressure regulator and then the gas valve In other words the regulator pressure must be lower than the input pressure and the pressure after the valve must be lower than the regulator pressure NB This adjustment can be used as a com...

Page 62: ...emperature and other safety limiters must be installed in safety loop according to process The switch for high gas pressure can be installed for different uses Installation must be carried out pursuant to applicable regulations The switch can be installed so that it reacts either to inlet pressure or pressure according to the multi block pressure regulator The high gas pressure switch can be insta...

Page 63: ...63 Bentone 13 2 Wiring diagram 172 615 84 1 2021 05 19 2 ...

Page 64: ...64 Bentone 13 3 Wiring diagram RWF 50 3 172 615 84 1 2021 05 19 3 ...

Page 65: ...65 Bentone 13 4 Wiring diagram RWF 50 2 172 615 84 1 2021 05 19 4 ...

Page 66: ...66 Bentone 13 5 Wiring diagram Jumo 316 172 615 84 1 2021 05 19 5 ...

Page 67: ...essure max S15 Control thermostat 3 pole S16 High pressure switch auto restart S20 Main switch S30 Extern reset Y1 Solenoid valve Y2 Solenoid valve M2 Damper Motor air M3 Damper Motor gas A2 Power control A6 Power control R316 A6 2 PT100 sensor Thermocouple current voltage F2 Operation fuse R1 UV detector U2 UV detector QRC X1 Connection terminal board X3 Plug in contact burner X4 Plug in contact ...

Page 68: ...r The system components display and operating unit actuators are connected directly to the LMV37 4 basic unit All safety related digital inputs and outputs of the system are monitored by a contact feedback network 14 LMV37 automatic control unit At the time of writing of the parameters mentioned above motor frequency control and communication via modbus are not available on the burner models descr...

Page 69: ...imum adaptations to the relevant application A change of parameters varies in levels of authorization this manual will give info on those that might be changed by the installer The actuators are driven by stepper motors and can be positioned with high resolution Specific features and actuator settings are defined by the LMV37 4 basic unit 14 3 Technical Data Basic unit LMV37 4 Mains voltage LMV37 ...

Page 70: ...X5 01 pin 2 3 X5 02 pin 2 3 X5 02 pin 2 3 X3 05 pin 1 X4 02 pin 2 3 X6 03 pin 2 3 X8 02 pin 1 3 X7 01 pin 2 3 X7 02 pin 2 3 X3 05 pin 2 X54 X53 X74 P P X9 04 pin 2 3 X5 01 pin 2 3 Fuel Air R ON Function Inputs Function Outputs RAST plug pin number RAST plug pin number Gas direct ignition G G mod G mod pneu Legend to the sequence diagrams ...

Page 71: ... 39 Test pressure switch min Pmin 40 Fuel valve V ON 42 Ignition Z OFF 44 Interval 1 t44 50 Safety time 2 TSA2 52 Interval 2 t52 60 Operation 1 stationary 62 Operation 2 air damper LK low fire KL position 70 Afterburn time t13 72 Air damper LK Rated load NL position 74 Postpurge time t8 78 Postpurge time t3 80 Evacuation of test space 81 Atmospheric pressure test 82 Filling of test space 83 Gas pr...

Page 72: ...ime from occurrence of start prevention to signaling 7 Only in case of valve proving during startup valve proving via pressure switch min 8 Only in case of startup without valve proving valve proving via pressure switch min 9 Inverse logic in case of valve proving via pressure switch min 10 Parameter Oil pressure min input 1 active from phase 38 2 active from safety time 11 Only with fuel train Lo...

Page 73: ...VP Combustion pressure switch Z Ignition transformer Permissible position range In Standby mode Actuator is allowed to travel within the permissible position range but is always driven to the home position must be in the home position for phase changes 0 10 90 100 Position as supplied 0 Actuator fully open 90 Input output signal 1 ON Input output signal 0 OFF Input permissible signal 1 ON or 0 OFF...

Page 74: ...s valve Fuel valve V1 Fuel indication oil gas Reset manual locking Supply for external load controller external load controller Open Stage 2 external load controller Open Stage 3 external load controller On Off Supply signal for air pressure switch LP Air pressure switch LP QRA Supply signal L GND QRB QRC signal voltage Ionization probe ION Protection earth PE Supply for fuel meter Input fuel mete...

Page 75: ...ator Air 1 ACT0_IN_B ACT0_IN_A ACT0_OUT_B ACT0_OUT_A GND UAC_SA Actuator Fuel 1 Signal reference GND RxD1 TxD1 DC 5 V Building automation 1 Signal reference GND RxD0 TxD0 DC 5 V Display BCI Speed feedback 2 3 2 4 5 7554a15e 1209 Speed feedback DC 24V external Signal reference VSD control DC 0 2 10V Signal reference Speed input Power supply for speed sensor Function earth for shield connection Sens...

Page 76: ...nction For changing to parameter setting mode P press simultaneously F and A reset Info and Enter button For navigating in info or service mode Selection symbol flashing press button for 1 s For changing to a lower menu level press button for 1 3 s For changing to a higher menu level press button for 3 8 s For changing the operating mode press button for 8 s Enter in parameter setting mode Reset i...

Page 77: ...info or service mode ESC and button Escape function press and simultaneously No adoption of value One menu level up P V h min s Fault status message Flame present Valve controlled Ignition controlled Fan motor controlled Oil preheater on Heat request from controllers Parameter setting mode Info mode Service mode Actuator closing Actuator opening Unit of current display Figure 4 Meaning of display ...

Page 78: ...rval 2 waiting time Ph66 Switching back to pilot Reactivation of ignition pilot Ph67 Switching back to pilot Shutdown of main valves Ph68 Switching back to pilot Pilot mode waiting phase Ph69 Switching back to pilot Pilot mode waiting phase for burner startup Ph70 Afterburn time Ph72 Traveling to the postpurge position Ph74 Postpurge time no extraneous light test Ph78 Postpurge time t3 abortion wh...

Page 79: ...l display Change to normal display Parameter level 15 3 Automatic control unit levels When working on burners there are different levels at which the automatic control unit can be accessed The info and service levels can be accessed without a password error codes error history and basic information about the burner can be viewed on these levels A code is required to enter settings for the burner ...

Page 80: ...eset reset Entering the password Internal parameter password level General Basic unit Air fuel ratio control curves primary setting Air fuel ratio control Actuator Error histery Process data The following sections explain the operating philosophy behind the parameter levels using a number of examples ...

Page 81: ...lected parameter set Version 143 Reserve End 15 3 2 Parameter of level info 15 3 3 Parameter of level service No Parameter 954 Flame intensity 960 Actual flow rate fuel throughput in m h l h ft h gal h 121 Manual output Undefined automatic operation 922 Incremental position of actuators Index 0 fuel Index 1 air 936 Standardized speed 161 Number of faults 701 725 Error history 701 725 01 Code ex 70...

Page 82: ...first of whishes P V h min s Bild 43 1107 Press or to select a number or letter P V h min s Bild 44 1207 Press reset to confirm the value The code for logging into service level is found on the plate on the inside of the cover for the electrical connections box 15 3 4 Access code for service engineer level ...

Page 83: ... a minus sign The next bar starts flashing Complete the rest of the password according to the principle described P V h min s Bild 47 1207 Example Password consisting of 4 characters After entery of the last character the password must be confirmed by pressing reset ...

Page 84: ...l P V h min s Bild 96 0707 201 appears flashing Press to go to the settings for air fuel ratio control and parameter 201 for selecting the operating mode 15 3 5 Setting an automatic control unit which has not previously been set or lost its settings Check that the burner is receiving power and that gas is being supplied to the burner Move the switch X on the burner to the ON position The text OFF ...

Page 85: ...ot LoGp 2 stage 12 oil modulating with 2 fuel valves Lo mod 2V 13 oil modulating with gas pilot and 2 fuel valves LoGp mod 2V 14 gas modulating G mod pneu 0 active 15 gas modulating with pilot Gp1 mod pneu 0 active 16 gas modulating with pilot Gp2 mod pneu 0 active 17 oil 2 stage Lo 2 stage 0 active 18 oil 3 stage Lo 3 stage 0 active 19 gas modulating only when firing on gas G mod fuel active 20 g...

Page 86: ... choose 0 VSD PWM fan OFF 1 VSD PWM fan ON If the parameter is set correctly move directly to the next parameter with Press reset to adjust parameter 542 Select your setting by pressing one of the buttons Press reset to save the setting for parameter 542 VSD Press ESC to return to parameter level To the next parameter Back to the previous parameter This manual describes 1 gas modulating Gmod type ...

Page 87: ...next parameter with Press reset to adjust parameter 641 speed standardization Select your setting by pressing one of the buttons Press reset to save the setting for parameter 641 VSD Press ESC to return to parameter level To the next parameter P V h min s Bild 102 0707 Display P0 appears flashing Curvepoint for ignition load Press simultaneously F and or to set ignition position P0 of the fuel dam...

Page 88: ...xt curvepoint P V h min s Bild 112 0707 P9 appears flashing Curvepoint for high fire Same procedure as with P0 Back to the previous curvepoint When curvepoint 9 is set press to start the burner This menu option is only shown if parameter 542 has been set to 1 for burners with VSD This manual only describes burners without VSD Note If is pressed first the display jumps to 90 ...

Page 89: ... Curvepoint P1 is automatically set to the same value as P0 on the first start This value can however be adjusted once the burner has started To simplify the setting work involved for each curvepoint do as follows 1 Check that good combustion is achieved at P1 adjust if necessary 2 Move along to P2 and check adjust for good combustion 3 Calculate the curvepoints between P2 and P9 by pressing on 4 ...

Page 90: ...gnition load P0 need to be made If the switch on the burner is in the OFF position the automatic control unit will not proceed from Ph12 Move the switch to the ON position to continue P V h min s Bild 114 0707 Phase Standby stationary P V h min s Bild 10 0707 Phase Fan ramp up fan motor ON safety valve ON P V h min s Bild 115 0707 Phase Traveling to prepurge position P V h min s Bild 116 0707 Phas...

Page 91: ... the symbol or is no longer highlighted press to continue P V h min s Bild 117 0707 Phase Traveling to ignition position P V h min s Bild 119 0707 Phase Preignition P V h min s Bild 120 0707 Phase for first safety time ignition transformer ON P V h min s Bild 121 0707 Phase for first safety time ignition transformer OFF preignition time OFF P V h min s Bild 122 0707 Phase Interval 1 ...

Page 92: ...tion P V h min s Bild 118 0707 Ignition position P0 can only be set when symbol or is no longer highlighted For fuel keep F depressed for air A press or to adjust the value When the symbol or is no longer highlighted press to continue to the next curvepoint P V h min s Bild 123 0707 Low flame position P1 can only be set when symbol or is no longer highlighted The value is adopted from P0 For fuel ...

Page 93: ... and adjust the curvepoints in order to avoid the burner entering blocking mode P V h min s Bild 126 0707 The maximum capacity is displayed If the display shows the maximum capacity has not yet been specified The system can be run up to 100 You can press reset to go to editing mode enabling you to change the maximum capacity Adjust the setting downwards or upwards using the buttons Press reset to ...

Page 94: ...inimum input power in this way is that at a later date it is easy to change the input power without having to adjust the amount of air and gas The setting curve is therefore adjusted to the lowest input power that the installation can handle The desired input power is then set by entering how much of the minimum power is required Completing parameterization of the curve ESC Back to the previous pa...

Page 95: ...ation 15 4 1 3 No flame positions fuel actuator 501 No flame positions fuel actuator Index 0 no load position Index 1 pre purge position Index 2 post purge position Factory settings marked with bald text 15 4 1 4 No flame positions air actuator 502 No flame positions air actuator Index 0 no load position Index 1 pre purge position Index 2 post purge position Factory settings marked with bald text ...

Page 96: ...tdown 15 4 1 7 Prepurging time 225 Gas Prepurging time 20 s 60 min 15 4 1 8 Postpurge time 234 Gas Postpurge time no external light test 0 2 s 108 min 15 4 1 9 Postpurging in lockout position 190 Postpurging in lockout position 0 deactivate no load position 1 active postpurge position Factory settings marked with bald text When active the Alarm in the event of start prevention function parameter 2...

Page 97: ...ration of the burner provided that the burner s detector flame is an ionisation detector flame When forced intermittent operation is activated the unit shuts down for a moment after 23 hours and 45 min of uninterrupted operation followed by an automatic restart When forced intermittent operation is inactivated the burner will run continuously Forced intermittent operation is a standard feature 239...

Page 98: ...y traveling along the curve downward and if required must be readjusted safety shutdown parameterization of the curve is quit P V h min s Bild 94 0707 Press reset to select parameter 400 for initial commissioning and for setting air fuel ratio control P V h min s Bild 113 0707 Identification of start for setting the curve parameters 15 4 2 Adjusting settings of previously set automatic control uni...

Page 99: ...he setting values for curvepoint 1 will appear settings for the minimum input power will be shown in the display See display representation below If you wish to adjust the ignition load this can be done by pressing when curvepoint 1 is shown in the display P V h min s Bild 123 0707 Low flame position P1 can only be set when symbol or is no longer highlighted The value is adopted from P0 For fuel k...

Page 100: ...setting curvepoint 1 The combustion values of each curvepoint must be checked and adjusted if necessary Curvepoint 1 should be set to the minimum input power that the installation can handle Curvepoint 9 should be set to the maximum input power that the installation can handle Once the curve setting is complete the desired minimum and maximum input power can be set P V h min s Bild 125 0707 High f...

Page 101: ...is pressed before P9 flashes the burner is turned off and the automatic control unit enters OFF UPr mode P V h min s Bild 126 0707 The maximum capacity is displayed If the display shows the maximum capacity has not yet been specified The system can be run up to 100 You can press reset to go to editing mode enabling you to change the maximum capacity Adjust the setting downwards or upwards using th...

Page 102: ... 127 0707 The minimum capacity is displayed If the display shows the minimum capacity has not yet been entered The system can be run down to 20 You can press reset to go to editing mode enabling you to change the minimum capacity Adjust the setting downwards or upwards using the buttons Press reset to save the setting Press ESC to return to parameter level ESC Completing parameterization of the cu...

Page 103: ... it is a good idea to make a backup of the settings The backup ensures that the adjusted values are also saved in the display memory This can be useful e g if there are any problems with the LMV The LMV can then be replaced and previous settings for the burner restored from the display memory to the new LMV Backup Means that the parameters set on the LMV control unit are saved in the display memor...

Page 104: ...e the backup process Display 1 appears After about 5 seconds depending on the duration of the program 0 appears on the display indicating the end of the backup process Display 0 If an errror occurs during the backup process a negativ value is displayed For error diagnostics the cause of the error can be determined from the diagnostic code of error message 137 see Error code list Press ESC four tim...

Page 105: ...o log into service engineer level See 5 3 4 After login is complete continue with the setting work as shown below Press or for parameter level 000 Press reset Display Parameter 050 flashes index 00 and value 0 do not reset 7548z358 1009 Display Parameter bAC_UP Press to select parameter rESstorE 7548z359 1009 reset ...

Page 106: ...Value 0 Press reset to select the restore process Press to shift the value in change mode 1 position to the left Display Value 1 flashes To detect potential dispalay errors the value is displayed 1 place shifted to the left ...

Page 107: ...s displayed 15 6 Fault status message display of errors and info 15 6 1 Display of errors faults with lockout P V h min s Bild 17 0707 The display shows Loc the bar under the fault status message appears The unit is in the lockout position P V h min s Bild 18 0707 The display shows current error code c alternating with diagnostic code d refer to Flash code list Example Error code 4 diagnostic code...

Page 108: ...eters see table 5 3 3 reset 8 s P V h min s Bild 22 0707 When the button is released a change to info service mode is made P V h min s Bild 19 0707 When the button is released the basic unit is reset If the reset button is pressed for a time other than the time indicated above a change to the previous menu is made Exception If an error occurred while setting the curve a change back to the paramete...

Page 109: ... Bild 23 0707 The display shows Err The unit initiates safety shutdown The display shows current error code c alternating with diagnostic code d Press reset 1 3 s to return to the normal display Example Error code 12 diagnostic code 0 P V h min s Bild 24 0707 ...

Page 110: ...g work as shown below Press or for parameter level 700 P V h min s Bild 84 0707 HISt 700 for error history Press reset to go to the parameter level P V h min s Bild 85 0707 Display Parameter 701 flashes index 01 and example value 201 does not Press reset to go to index 01 P V h min s Bild 86 0707 Display Parameter 701 does not flash index 01 flashes value 201 does not To the next index Back to the...

Page 111: ...tup counter 06 output Example Parameter 701 index 05 for startup counter diagnostic code _ _ reset P V h min s Bild 88 0707 Press reset to go to display mode Display Value 56 number of startup ESC P V h min s Bild 87 0707 Press ESC to return to the index Display Parameter 701 does not flash index 05 flashes characters _ _ do not ESC ...

Page 112: ... history was deleted max to parameter 725 Example Parameter 725 index 01 error code 111 To the next parameter Back to the previous parameter P V h min s Bild 91 0707 When this display appears you have reached the end of the error history index Display End appears flashing To the next index Back to the previous index P V h min s Bild 92 0707 When this display appears you have reached the end of the...

Page 113: ... min s Bild 26 0707 15 7 2 Start prevention Note For meaning of the error and diagnostic codes refer to chapter Error code list When an error has been acknowledged it can still be read out from the error history P V h min s Bild 196 0208 A non programmed or not completely parameterized unit or a unit whose operating mode was reset or changed displays OFF UPr 15 7 3 Safety loop P V h min s Bild 197...

Page 114: ...hing Press reset to go to the settings for air fuel ratio control and parameter 201 for selecting the operating mode P V h min s Bild 96 0707 Select another burner type than the one already selected by pressing one of the buttons or Confirm this selection with reset The automatic control unit is now reset P V h min s Bild 196 0208 Restart the setting process for the LMV automatic control unit as s...

Page 115: ... in OFF position it can be set to Manually OFF which means that the burner will not start Manual OFF can be activated by pressing F for at least 1 second then LoAd 0 0 appears flashing LoAd 0 0 means Manually OFF As long as the Manual OFF is active OFF appears on the normal display flashing To deactivate and to change to automatic operation press ESC for 3 seconds Then OFF appears without flashing...

Page 116: ...atic operation press ESC for 3 seconds Manually OFF must not be used just to put a burner out of operation when doing mounting work or when the burner is not ready for operation The safety notes contained in chapter Safety notes must be observed If Manually OFF is activated it is stored via mains OFF On power return the burner assumes the Manually OFF position OFF flashing Please note that the aut...

Page 117: ... Std_u8 read only 0 255 1 9 Info Service 105 Preselected parameter set Version 1 Hex_16 read only 0 0xFFFF 1 LMV37 400 V 01 05 LMV37 420 V 01 06 Info Service 107 Software version 1 Hex_16 read only 0x100 0xFFF9 1 V 03 30 Info Service 108 Software variant 1 Std_u8 read only 0 255 1 LMV37 400 1 LMV37 420 2 Info Service 111 ASN extraction for verification with the AZL2 backup data set 8 Std_u8 read o...

Page 118: ...Default output for TÜV test Invalid TÜV test when output is active 2 000 10 000 low fire high fire or stage 1 stage 2 stage 3 1 Output edit clear 20 100 0 1 undefined SO 141 Operating mode BACS 0 off 1 Modbus 2 reserved 1 Selection edit 0 2 1 0 SO 142 Setback time in the event of communication breakdown Setting values 0 inactive 1 7200 s 1 Std_u16 edit 0 s 7200 s 1 s 120 s SO BA 143 Reserved 1 Std...

Page 119: ...9999999 1 0 Info Service 166 Total number of startups 1 Std_s32 read only 0 9999999 1 0 Info Service 167 Fuel volume resettable m l ft gal 1 Std_s32 reset 0 99999999 1 0 Info Service 176 Switching back to pilot switching cycles 1 Std_s32 read only 0 9999999 1 0 Info Service 190 Postpurging in lockout position 0 deactivate no load position 1 active postpurge position When active the Alarm in the ev...

Page 120: ...actuator 18 Lo 3 stage without actuator 19 G mod only gas actuator 20 Gp1 mod only gas actuator 21 Gp2 mod only gas actuator 22 Lo mod only oil actuator 23 Ho mod sep circulation 24 Ho 2 stage sep circulation 25 Ho mod without circulation 26 Ho 2 stage without circulation 27 Ho 3 stage without circulation 1 Selection edit clear 1 27 1 undefined SO 204 Analog output invalid 4 20 mA 0 default load l...

Page 121: ...nstant repetition 1 Std_u8 edit 1 16 1 LMV37 400 16 LMV37 420 1 SO 225 Gas Prepurge time 1 Time edit LMV37 400 20 s LMV37 420 5 s 60 min 0 2 s LMV37 400 20 s LMV37 420 30 s SO 226 Gas Preignition time 1 Time edit 0 4 s 60 min 0 2 s 2 s SO 230 Gas Interval 1 1 Time edit 0 4 s 60 s 0 2 s 2 s SO 232 Gas Interval 2 1 Time edit 0 4 s 60 s 0 2 s 2 s SO 233 Gas Afterburn time 1 Time edit 0 2 s 60 s 0 2 s...

Page 122: ...settings 13 Std_s16 edit 0 90 0 1 0 0 15 undefined SO 402 Ratio control curve air actuator only curve settings 13 Std_s16 edit 0 90 0 1 0 90 45 undefined SO 403 Ratio control curve VSD only curve settings 13 Std_s16 edit 15 100 0 1 0 100 50 undefined SO 500 Ratio control 501 No flame positions fuel actuator Index 0 home position Index 1 prepurge position Index 2 postpurge position 3 Std_s16 edit 0...

Page 123: ...vely for SQM3 2 Selection edit 0 1 1 Index 0 1 Value 0 1 SO 606 Tolerance limit of position monitoring 0 1 Index 0 fuel Index 1 air Greatest position error where a fault is securely detected error detection band parameter 606 0 6 to parameter 606 2 Std_u8 edit 0 5 4 0 1 Index 0 1 Value 1 7 1 7 SO 611 Type of referencing Index 0 fuel Index 1 air 0 standard 1 stop within usable range 2 internal stop...

Page 124: ...agnostic code 25 Std_u8 read only 0 255 1 0 Info Service Error history 701 725 03 Error class 25 Std_u8 read only 0 6 1 0 Info Service Error history 701 725 04 Phase 25 Std_u8 read only 0 255 1 0 Info Service Error history 701 725 05 Startup counter 25 Std_s32 read only 0 99999999 1 0 Info Service 725 Error history 701 725 06 Output 25 Output read only 0 100 0 1 0 Info Service 900 Process data 903...

Page 125: ...it 3 8 Fuel valve 1 Bit 4 16 Fuel valve 2 Bit 5 32 Fuel valve 3 pilot valve 1 Std_u8 read only 0 255 1 0 Info Service 951 Mains voltage normalized AC 230 V Voltage value x 1 683 AC 120 V Voltage value x 0 843 1 Std_u8 read only 0 V 255 V 1 V 0 V SO 954 Intensity of flame 1 Std_u8 read only 0 100 1 0 Info Service 960 Actual flow rate m h l h ft h gal h 1 Std_u16 read only 0 6553 5 0 1 0 Info Servic...

Page 126: ...evention 20 Air pressure combustion pressure start prevention 68 Air pressure POC start prevention 84 Air pressure combustion pressure POC start prevention 4 Extraneous light 0 Extraneous light during startup 1 Extraneous light during shutdown 2 Extraneous light during startup start prevention 6 Extraneous light during startup air pressure start prevention 18 Extraneous light during startup combus...

Page 127: ...ers 236 and 237 4 Valve proving not possible Valve proving activated but 2 inputs assigned set parameter 237 to pressure switch max or POC 5 Valve proving not possible Valve proving activated but 2 inputs assigned check parameters 236 and 237 81 V1 leaking Check to see if the valve on the gas side is leaking Check wiring to see if there is an open circuit 83 V2 leaking Check to see if the valve on...

Page 128: ...start prevention 21 Safety loop burner flange air pressure combustion pressure start prevention 23 Safety loop burner flange extraneous light air pressure combustion pressure start prevention 65 Safety loop burner flange POC start prevention 67 Safety loop burner flange extraneous light POC start prevention 69 Safety loop burner flange air pressure POC start prevention 71 Safety loop burner flange...

Page 129: ...djust the curvepoints for all actuators 71 Special position undefined 0 Home position Parameterize the home position for all actuators used 1 Prepurge position Parameterize the prepurge position for all actuators used 2 Postpurge position Parameterize the postpurge position for all actuators used 3 Ignition position Parameterize the ignition position for all actuators used 72 Internal error air fu...

Page 130: ...the VSD input filter slippage compensation hiding different speeds 1 Control range limitation at the bottom VSD speed was too high 2 Control range limitation at the top VSD speed was too low 81 1 Interrupt limitation speed input Too much electromagnetic interference on the sensor line improve EMC 82 Error during VSD s speed standardization 1 Timeout of standardization VSD ramp down time too long T...

Page 131: ...c interference on the sensor lines check cable routing improve EMC 7 Invalid standardized speed The standardized speed measured does not lie in the permissible range motor turns too slowly or too fast 15 Speed deviation µC1 µC2 The speeds of microcomputer 1 and 2 deviated too much This can be caused by wrong standardized speeds e g after restoring a data set to a new unit repeat standardization an...

Page 132: ...etween the curvepoints and the modulating operating ramp setting parameter 544 1 Modulating operating ramp 32 seconds Curve slope max 10 for LMV37 4 ramp of 20 seconds 20 for 10 seconds or 40 for 5 seconds 2 Modulating operating ramp 48 seconds Curve slope max 10 for LMV37 4 ramp of 30 seconds 20 for 15 seconds or 30 for 10 seconds 3 Modulating operating ramp 64 seconds Curve slope max 10 for LMV3...

Page 133: ...rating ramp 64 seconds The slope of the curve may be a maximum position change of 62 30 for SQM33 6 and 18 for SQM33 7 between 2 curve points in modulating mode Bit 2 Valency 4 7 Air actuator Curve too steep in terms of ramp rate Check position differential between the curvepoints and the modulating operating ramp setting parameter 544 1 Modulating operating ramp 32 seconds The slope of the curve ...

Page 134: ...e along its working range 3 Check to see if the torque is sufficient for the application 87 Error air actuator 0 Position error Target position could not be reached within the required tolerance band check to see if actuator is locked or overloaded Bit 0 Valency 1 Line interruption Line interruption detected at actuator s terminals check wiring voltage X53 across pin 5 or 6 and pin 2 0 5 V Bit 3 V...

Page 135: ...If one of the 2 tests fails release the unit since contact have definitively welded and safety can no longer be ensured 97 Error relay supervision 0 Safety relay contacts have welded or external power supply fed to safety relay Test the contacts 1 Unit connected to power Fan output must be dead 2 Disconnect power Disconnect fan No resistive connection between fan output and neutral conductor allow...

Page 136: ...nal error contact request Make a reset if error occurs repeatedly replace the unit 107 Internal error contact request Make a reset if error occurs repeatedly replace the unit 108 Internal error contact request Make a reset if error occurs repeatedly replace the unit 110 Internal error voltage monitor test Make a reset if error occurs repeatedly replace the unit 111 Mains undervoltage Mains voltage...

Page 137: ...ss timeout Make a reset repeat last parameterization check If error occurs repeatedly replace the unit 131 Internal error EEPROM access page on abort Make a reset repeat last parameterization check If error occurs repeatedly replace the unit 132 Internal error EEPROM register initialization Make a reset if error occurs repeatedly replace the unit 133 Internal error EEPROM access Request synchroniz...

Page 138: ...t be made Repeat reset and backup 254 2 Abortion due to transmission error Repeat reset and backup 255 1 Abortion due to timeout during restore Make a reset check the connections and repeat the backup 146 Timeout building automation interface Refer to User Documentation Modbus A7541 1 Modbus timeout 150 TÜV test 1 1 Invalid phase TÜV test may only be started in phase 60 operation 2 2 TÜV test defa...

Page 139: ...it 0 Valency 1 No operating mode selected Bit 1 Valency 2 3 No fuel train defined Bit 2 Valency 4 7 No curves defined Bit 3 Valency 8 15 Standardized speed undefined Bit 4 Valency 16 31 Backup restore was not possible 202 Internal error operating mode selection Redefine the operating mode parameter 201 203 Internal error Redefine the operating mode parameter 201 Make a reset if error occurs repeat...

Page 140: ...otor faulty Burner control faulty Replace Burner motor running no ignition spark at the end of pre aeration No power in the terminals Check the connector Replace faulty burner controls Ignition electrodes in contact with each other or earth Adjust Ignition electrode porcelain damaged Replace the electrodes Poor connection to cable connectors Adjust connection Ignition cables damaged Replace Transf...

Page 141: ...Adjust Gas pressure too high Check and adjust using pressure gauge and pressure control valve Flue gas side blocked Check the chimney flue Burner pulsates during operation Burner incorrectly set Adjust Burner dirty Clean the burner Incorrect chimney Check and modify dimensions if necessary Burner functioning properly but with occasional blockage Ionisation current too low Check Must be at least 6 ...

Page 142: ... supply Check flue gas damper Holes in gas nozzle clogged Clean Poor fresh air intake Check and increase 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 ...

Page 143: ...ermostats etc are correctly adjusted 10 Read the instructions and follow the directions given for the burner as to starting up and service 19 9 2 Maintenance 1 Switch off the current with the main switch 2 Shut off the gas supply with the shut off cock on the burner Normal operation 1 Ensure that the air supply to the burner is not obstructed by dust and dirt 2 Have the installer make a yearly ove...

Page 144: ...Measu rement C µ 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 C µ 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 C µ A Before After mbar mbar Small ...

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Page 148: ...Enertech AB P O Box 309 SE 341 26 Ljungby www bentone com ...

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