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Содержание LG140 Series

Страница 1: ...39280CB Rel 0 0 05 2021 BURNERS BRUCIATORI BRULERS BRENNER QUEMADORES Idea Series Gas burners Progressive Fully modulating MANUAL OF INSTALLATION USE MAINTENANCE LG NG140 LG NG200 LGX NGX120 LGX NGX20...

Страница 2: ...e employed exclusively for the use for which it was designed Before connecting the burner make sure that the unit rating is the same as delivery mains electricity gas oil or other fuel Observe caution...

Страница 3: ...gaseous fuels 2014 35 UE Low Tension Directive 2014 30 UE Electromagnetic compatibility Directive 2006 42 EC Machinery Directive Harmonized standards UNI EN 676 Automatic forced draught burners for ga...

Страница 4: ...s oil and solid fuel burning appliances having electrical connections UNI EN ISO 12100 2010 Safety of machinery General principles for design Risk assessment and risk reduction National Standard UNI 7...

Страница 5: ...pressure switch 7 Cover 8 Printed board circuit 9 Control box 10 Gas valves group The gas coming from the supply line passes through the valves group provided with filter and stabiliser This one force...

Страница 6: ...5 NG140 xx 20 NG140 xx 25 Output min max kW 35 170 Fuel Natural gas Category see next paragraph Gas rate min max Stm3 h 3 7 18 Gas pressure min max mbar Note2 Power supply 230V 50 Hz Total power kW 0...

Страница 7: ...ry see next paragraph Gas rate min max Stm3 h 3 7 12 7 Gas pressure min max mbar Note2 Power supply 230V 50 Hz Total power kW 0 48 Electric motor kW 0 18 Protection IP40 Approx weight kg 20 Valves siz...

Страница 8: ...included in the NTA 8837 2012 Annex D with a Wobbe index of 43 46 45 3 MJ m3 dry 0 C upper value or 41 23 42 98 dry 15 C upper value This appliance can moreover be converted and or be calibrated for t...

Страница 9: ...565 340 108 NG200 L 25 660 85 270 390 575 374 117 137 161 188 245 M8 188 109 158 133 426 611 202 387 224 32 565 340 108 DN A Bmin Bmax Cmin Cmax D G H J K L M N Omin Omax P Q R S Tmin W X Y NGX120 S...

Страница 10: ...output point is usually reached by adjsuting the combustion head to its MAX position see paragraph Adjusting the combustion head the minimum output point is reached setting the combustion head to its...

Страница 11: ...ata are referred to standard conditions atmospheric pressure at 1013mbar ambient temperature at 15 C Natural gas Burners Natural gas BurnersLPG burners GAS PRESSURE mbar NG140 M xx Gas rate Stm3 h LG1...

Страница 12: ...ressure at the gas train inlet necessary to get the requested gas rate add the pressure value in the combustion chamber to the value read on the y axis PRESSURE IN COMBUSTION CHAMBER mbar NGX120 M xx...

Страница 13: ...r To install the burner into the boiler proceed as follows 1 on the boiler s door hole fix the 4 stud bolts according to the drilling template showed on paragraph Overall dimensions 2 fix the flange o...

Страница 14: ...itably sized spacer to move the burner backwards or to design a blast tube tha suites the utilisation please contact the manifacturer Installing the gas train The following diagram shows the gas train...

Страница 15: ...the seal of the gas shut off valves This check carried out as soon as the boiler thermostat gives a start signal to the burner creates by means of the diaphragm pump inside it a pressure in the test s...

Страница 16: ...to the diagram the gas proving test mus be performed according to the procedure set by the laws in force Respect the basic safety rules make sure of the connection to the earthing system do not revers...

Страница 17: ...CONNECTOR CONN LINEA BURNER POWER SUPPLY CONNNECTOR CONN TAB HIGH LOW FLAME CONNECTOR IF TAB USED REMOVE THE BRIDGE BETWEEN TERMINALS T6 T8 Fig 9 Probes connection by 7 pins connector Key C1 LOW FLAME...

Страница 18: ...ter minal 2 on the board and the earth terminal an RC Siemens RC466890660 filter must be inserted As far as burners with no PCB provided the RC Siemens circuit must be inserted between terminal 2 and...

Страница 19: ...ler s Technical specifications Fig 11 Key 1 Generator 2 Pressure outlet on the combustion chamber 3 Gas pressure outlet on the butterfly valve 4 Differential pressure gauge Measuring the gas pressure...

Страница 20: ...Gas pressure in combustion head NG200 Gas rate Stm3 h LG200 Gas rate Stm3 h Low NOx burners Gas pressure in combustion head NGX120 NGX200 0 2 4 6 8 10 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 0...

Страница 21: ...r up be sure that the manual cutoff valves are open and check that the pres sure upstream the gas train complies the value quoted on paragraph Technical specifications Be sure that the mains switch is...

Страница 22: ...essively the microswitch to higher values until it reaches the high flame position always check the combustion values and eventually adjusting the gas by means of the valves group stabiliser As for th...

Страница 23: ...position 13 Shortcircuit again for a while the TAB T6 and T7 terminals and repeat from point 11 14 repeat all these instructions for all the actuator stroke in order to define the cam foil shape Note...

Страница 24: ...remove cover T reverse it upside down and use it as a tool to rotate screw VR Clockwise rotation reduces start flow rate anticlockwise rotation increa ses it Do not use a screwdriver on the screw VR...

Страница 25: ...3 remove the Multibloc s screw plugs Fig 20 A 4 iInsert sealing rings 10 5 x 2 25 into VPS 504 Fig 21 B Fig 20 B 5 Torque screws 3 4 5 6 M4 x16 Fig 20 C Only use screws with metric thread on reassembl...

Страница 26: ...anual cutoff valve placed upstream the pressure switch see gas train installation diagram until the detected pressure is reduced by 50 Pay attention that the CO value in the flue gas does not increase...

Страница 27: ...GENCY SWITCH AND ON THE RESET BUTTON IN CASE OF A BURNER SHUT DOWN RESET THE CONTROL BOX BY MEANS OF THE RESET PUSHBUTTON IF A SECOND SHUT DOWN TAKES PLACE CALL THE TECHNICAL SERVICE WITHOUT TRYING TO...

Страница 28: ...orce Removing the filter in the MULTIBLOC DUNGS MB DLE 405 412 Check the filter at least once a year Change the filter if the pressure difference between pressure connection 1 and 3 Fig 22 Fig 23 is p...

Страница 29: ...n screws 1 6 without using any force and fasten 5 Perform leakage and functional test pmax 360 mbar 6 Pay attention that dirt does not fall inside the valve Disassembling the burner plate to service t...

Страница 30: ...nd unscrew VE 5 remove the electrodes and replace them 6 to clean the combustion head use a vacuum cleaner to scrape off the scale use a metallic brush 7 replace all the items reversing the procedure...

Страница 31: ...bserving the electrodes position see next paragraph Correct electrodes positioning To get a good ignition it is necessary to observe the measures shown in the next pictures Be sure to fasten the elect...

Страница 32: ...1 turn the burner s main switch to 0 Off position 2 disconnect the power mains 3 close the fuel cock of the supply line Burner disposal In case of disposal follow the instructions according to the law...

Страница 33: ...OPERATION MAIN SWITCH OPEN LACK OF GAS MAXIMUM GAS PRESSURE SWITCH DEFECTIVE IF PROVIDED THERMOSTATS PRESSURE SWITCHES DEFECTIVE OVERLOAD TRIPPED INTERVENTION AUXILIARIES FUSE INTERRUPTED CONTROL BOX...

Страница 34: ...PART III MAINTENANCE 34 BURNER EXPLODED VIEW POS DESCRIPTION POS DESCRIPTION G H G...

Страница 35: ...DETECTION ELECTRODE 7 1 BURNER HOUSING 12 3 3 IGNITION ELECTRODE 7 2 AIR INTAKE 12 4 IGNITION CABLE 7 3 PIN 12 5 DETECTION CABLE 8 GENERATOR GASKET 12 8 FLANGE 9 1 MOTOR SUPPORT PLATE 13 CONNECTOR 9...

Страница 36: ...22 fan motor M will be started tw Waiting time During the waiting time air pressure monitor LP and flame relay FR are tested for correct contact positions t11 Programmed opening time for actuator SA O...

Страница 37: ...d time for air pressure signal t11 Programmed opening time for actuator SA t12 Programmed closing time for actuator SA SB R W GP AL M LP BV1 Z FS tw t1 t3n TSA t4 7 t10 EK2 12 10 3 7 4 6 1 8 t3 A B B...

Страница 38: ...W Limit thermostat pressure switch Z Ignition transformer LME22 connection diagram NT PC control RESET EK FSV ION 1 2 3 M 4 BV1 5 7 Z 10 AL T 12 R W GP STB 9 7101 24 0606 pa 6 LP 8 EK 11 K1 K2 1 K3 K...

Страница 39: ...he device repeats the blinks for regular intervals During diagnostics the control outputs are deactivated the burner remains shut down external fault indication is deactivated fault status is showed b...

Страница 40: ...nd data subject to change Errors and omissions excepted C I B UNIGAS S p A Via L Galvani 9 35011 Campodarsego PD ITALY Tel 39 049 9200944 Fax 39 049 9200945 9201269 web site www cibunigas it e mail ci...

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