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PART II: OPERATION

30

Fig. 37 -  Progressive burners only

Keys

A

Mains switch ON - OFF

B

Lockout signalling lamp

C

Reset button for control box

D

Gas pressure switch consent signalling lamp

F

High flame operation signalling lamp (or air damper opening during pre-purge stage)

G

Low flame operation signalling lamp

H

Ignition transformer in operation signalling light

I

EV2 opening signalling lamp

L

EV1 opening signalling lamp

P

Modulator (on fully modulating burners only)

Q

Operation selector MAN - AUTO (operation in manual or automatic mode): 
MIN = operation with minimum output
0

=  Stop

MAX = operation at the maximum output

P

Q

Содержание IDEA LG550

Страница 1: ...IDEA Series Gas burners MANUAL OF INSTALLATION USE MAINTENANCE BURNERS BRUCIATORI BRULERS BRENNER QUEMADORES M039119CE Rev 5 3 11 2021 LG550 NG550 NGX550 LGX550...

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: ...ixtures DIRECTIVES AND STANDARDS Gas burners European directives Regulation 2016 426 UE appliances burning gaseous fuels 2014 35 UE Low Tension Directive 2014 30 UE Electromagnetic compatibility Direc...

Страница 4: ...quipment of machi nes EN 60335 2 Electrical equipment of non electric appliances for house hold and similar purposes Safety requirements Burner data plate For the following information please refer to...

Страница 5: ...dulating burners the electric actuator 7 that moves proportionally the air damper and the gas butterfly valve uses an adjusting cam with variable shape This one allows the optimisation of the gas flue...

Страница 6: ...ers with flame reversal in this case the blast tube must penetrate at least 50 100 mm into combustion chamber in respect to the tube bundle plate The length of the blast tubes does not always allow th...

Страница 7: ...vice Internittent BURNERS NG550 M xx 0 25 NG550 M xx 0 32 NG550 M xx 0 40 NG550 M xx 0 50 LG550 L xx 0 25 LG550 L xx 0 32 LG550 L xx 0 40 LG550 L xx 0 50 Output min max kW 160 570 Fuel Natural gas L P...

Страница 8: ...alid for G20 gas net calorific value Hi 34 02 MJ Stm3 for L P G net calorific value Hi 93 5 MJ Stm3 Note2 Maximum gas pressure 360mbar with Dungs MBDLE MBC valves Minimum gas pressure see gas curves f...

Страница 9: ...s Draw a vertical line matching the furnace input value 600kW in the example quoted on the x axis as far as intercepitng the network pressure curve according to the installed gas train DN65 in the exa...

Страница 10: ...head is set in order to find a compromise between the burner output and the generator specifications that is why the minimum output may be different from the Performance curve minimum Pressure in the...

Страница 11: ...in the diagrams refer to GPL with a calorific value of 22300 kcal Stm3 15 C 1013 mbar and a density of 2 14 kg Stm3 When the calorific value and the density change the pressure values should be adjust...

Страница 12: ...jig and burner flange DN A S A L B S B L C D 5mm E 5mm F G H J K L M N Omin Oma x P Q R S T W X Y NG LG550 25 32 843 943 253 353 590 671 245 426 165 178 384 241 384 M10 247 157 192 174 552 377 175 69...

Страница 13: ...flange DN A S A L B S B L C D 5mm E 5mm F G H J K L M N Omin Oma x P Q R S T W X Y NGX550 LGX550 25 32 874 974 253 353 590 671 245 426 176 198 384 241 384 M10 247 157 192 174 552 377 175 69 543 533 16...

Страница 14: ...stion chamber as described on paragraph Overall dimensions 2 place the burner to the boiler lift it up and handle it according to the procedure described on paragraph Handling the burner 3 place the s...

Страница 15: ...item NOTE the bellow joint the manual valve and the gaskets are not part of the standard supply The procedures of installation fo the gas valves are showed in the next paragraph DANGER Incorrect moto...

Страница 16: ...fter mounting perform leakage and functional tests Once the train is installed connect the gas valves group plug Fig 3 Fig 4 Fig 5 Fig 6 Fig 7 Fig 8 Fig 9 Fig 10 DANGER Incorrect motor rotation can se...

Страница 17: ...on reassembly modification repair 6 On completion of work perform a leak and functional test When wishing to monitor the test install a pressure gauge ranged to that of the pressure supply point PA F...

Страница 18: ...combustion head together 9 Fig 18 Rotate the disc D following the instructions below 10 Take off the screw VF Fig 18 11 Rotate the disc D for 180 and then fit the screw VF Fig 19 12 Reconnect CR and...

Страница 19: ...ion to the mains ATTENTION before executing the electrical connections pay attention to turn the plant s switch to OFF and be sure that the burner s main switch is in 0 position OFF too Read carefully...

Страница 20: ...FU3 LINE FUSE IL BURNER LINE SWITCH IM FAN MOTOR LINE SWITCH KM1 FAN MOTOR CONTACTOR LAF BURNER IN HIGH FLAME INDICATOR LIGHT LB INDICATOR LIGHT FOR BURNER LOCK OUT LBF BURNER IN LOW FLAME SIGNALLING...

Страница 21: ...FAN MOTOR FU3 LINE FUSE FU4 AUXILIARY FUSE IL BURNER LINE SWITCH IM FAN MOTOR LINE SWITCH KM1 FAN MOTOR REMOTE CONTACTOR SIEMENS RWF40 MODULATION REGULATOR LB BURNER LOCKOUT SIGNALLING LAMP LBF BURNE...

Страница 22: ...nical specifications Fig 29 Key 1 Pressure outlet on the combustion chamber 2 Gas pressure outlet on the butterfly valve 3 Differential pressure gauge 4 Fan air pressure plug Measuring the gas pressur...

Страница 23: ...ly until the normal combustion values are achieved WARNING NEVER LOOSE THE SEALED SCREWS OTHERWISE THE DEVICE WARRANTY WILL BE INVALIDATE The values in the diagrams refer to natural gas with a calorif...

Страница 24: ...PART I INSTALLATION 24 To perform the adjustments unscrew the fixing screws and remove the burner cover Keys 1 Valve group 2 Cover 3 Gas proving system 4 Control panel 5 Blast tube 3 4 1 5 2...

Страница 25: ...ge the burner setting during the testing in the plant follows the next procedure according to the burner operation Before starting the burner up adjust the valves group slow opening to set the slow op...

Страница 26: ...ove along the foil and related to the actuator position 12 unscrew the V srew to increase the air folw rate unscrew to decrease it 13 once the maximum flow rate is fixed shortcircuit for a while the t...

Страница 27: ...g ring nut VR until the burner locks read the pressure value on the scale of the pressure switch and set it again to a value reduced by the 15 Repeat the start up cycle and check the burner runs prope...

Страница 28: ...the transparent plastic cover on the pressure switch Adjusting the maximum gas pressure switch when provided To calibrate the maximum pressure switch proceed as follows according to its mounting posi...

Страница 29: ...E ANY OPERATION OF THE APPLIANCE MUST BE PREVENTED WHICH DEPARTS FROM THE INSTALLATION OPERATIONS OR WHICH HAPPENS AFTER TOTAL OR PARTIAL TAMPERING WITH THESE E G DISCONNECTION EVEN PARTIAL OF THE ELE...

Страница 30: ...signalling lamp or air damper opening during pre purge stage G Low flame operation signalling lamp H Ignition transformer in operation signalling light I EV2 opening signalling lamp L EV1 opening sign...

Страница 31: ...t the end of the pre purge phase the air damper goes to the ignition position the ignition transformer comes on signalled by the LED H and few seconds later the solenoid valves EV1 and EV2 are energiz...

Страница 32: ...er if the pressure difference between pressure connection 1 and 3 Fig 38 Fig 39 is twice as high compared to the last check You can change the filter without removing the fitting 1 Interrupt the gas s...

Страница 33: ...screw V1 is longer than the other and must be replaced in its seat 2 Slacken the butterfly valve adjusting rod Fig 45 and take it out pulling outside 3 Remove the connector CR of the ionization electr...

Страница 34: ...33 1 disconnect the cables from the electrodes ER detection electrode EA ignition electrode 2 loosen the fixing screw V 3 remove the electrodes and replace them observing the measures quoted on next...

Страница 35: ...less than the value shown check the position of the detection electrode the electrical contacts and if necessary replace the detection electrode see Electrodes position setting on page 35 Fig 51 Seas...

Страница 36: ...COVER FIXING SCREW 29 FRONT CONTROL PANEL 8 AIR INTAKE 30 FRONT CONTROL PANEL 9 AIR INTAKE 31 LIGHT 10 PRESSURE PLUG 32 LIGHT 11 BRACKET 33 CONTACTOR 12 COVER 34 LOCK OUT RESET BUTTON 13 FAIRLEAD 35 P...

Страница 37: ...PART III MAINTENANCE 37...

Страница 38: ...G MINIMUM GAS PRESSURE SWITCH PS LOCK OUT RESET BUTTON PT100 TEMPERATURE PROBE PT1000 TEMPERATURE PROBE RC RC CIRCUIT SATRONIC DLG976 CONTROL BOX SATRONIC DMG972 CONTROL BOX SD 0 10V VOLTAGE SIGNAL SD...

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Страница 46: ...ing time air pressure monitor LP and flame relay FR are tested for correct contact positions t11 Programmed opening time for actuator SA Only with LME22 The air damper opens until the nominal load pos...

Страница 47: ...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 48: ...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 49: ...lt status is showed by the red LED inside the LME s lockout reset buttonaccording to the Error code table RESETTING THE BURNER CONTROL When lockout occurs the burner control can immediately be reset b...

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Страница 52: ...ia L Galvani 9 35011 Campodarsego PD ITALY Tel 39 049 9200944 Fax 39 049 9200945 9201269 web site www cibunigas it e mail cibunigas cibunigas it Note specifications and data subject to change Errors a...

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