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Unigas IDEA LG280, Manual Of Installation - Use - Maintenance

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Unigas IDEA LG280 Manual Of Installation - Use - Maintenance Download Page 64

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: [email protected]

Note: specifications and data subject to change. Errors and omissions exceptd.

Summary of Contents for IDEA LG280

Page 1: ...M039132CE Rev 3 3 10 2015 BURNERS BRUCIATORI BRULERS BRENNER QUEMADORES ГОРЕЛКИ IDEA Series Gas burners MANUAL OF INSTALLATION USE MAINTENANCE LG NG NGX280 LG NG NGX350 LG NG NGX400 ...

Page 2: ... GAS TRAIN CONNECTIONS 27 ELECTRICAL CONNECTIONS 29 Connectors wiring diagrams 30 SETTING GAS AND AIR FLOW RATE 32 Startup Output 32 Adjustments brief description 33 Adjustment procedure 33 Fully modulating burners 35 Gas Proving System VPS504 Option 35 Calibration of air and gas pressure switches 36 Calibration of air pressure switch only for single stage burners 36 Calibration of air pressure sw...

Page 3: ...n a suitable room with ventilation openings complying with the requirements of the regulations in force and sufficient for good combustion z Only burners designed according to the regulations in force should be used z This burner should be employed exclusively for the use for which it was designed z Before connecting the burner make sure that the unit rating is the same as delivery mains electrici...

Page 4: ...EC Gas Directive 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 gaseous fuels EN 55014 1 Electromagnetic compatibility Requirements for house hold appliances electric tools and similar apparatus EN 60204 1 2006 Safety of machinery Electrical equipment of machi ne...

Page 5: ...ype Characteristics and test methods Industrial burners European directives 2009 142 EC Gas Directive 2014 35 UE Low Tension Directive 2014 30 UE Electromagnetic compatibility Directive 2006 42 EC Machinery Directive Harmonized standards EN 55014 1 Electromagnetic compatibility Requirements for house hold appliances electric tools and similar apparatus EN 746 2 Industrial thermoprocessing equipmen...

Page 6: ...urners 8 Cover 9 Control box 10 Air pressure switch 11 Fan motor 12 Combustion head inside 13 Flange 14 Blast tube The gas coming from the supply line passes through the valves group provided with filter and stabiliser This one forces the pressure in the utilisation limits In the double stage progressive and fully modulating burners the electric servocontrol 7 that moves proportio nally the air da...

Page 7: ...urner s gas valve Then subtract the backpressure The result is called pgas 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 example From the inter ception point draw an horizontal line as far as matching on the y axis the value of pressure necessary to g...

Page 8: ...al gas L P G Category see next paragraph I3B P Gas rate min max Stm3 h 10 32 3 7 11 5 Gas pressure min max mbar Note2 360 Power supply 230V 50Hz Total power consumption kW 0 55 Electric motor kW 0 25 Protection IP40 Approx weight kg 47 Valves size Gas connection 1 Rp1 1 Rp 1 1 Rp 1 3 4 Rp3 4 1 Rp1 1 1 4 Rp 11 4 Operation Single stage Operating temperature C 10 50 Storage Temperature C 20 60 Workin...

Page 9: ...Category see next paragraph I3B P I3B P I3B P Gas rate min max Stm3 h 8 5 35 8 5 35 8 5 35 3 13 3 13 3 13 Gas pressure min max mbar Note2 360 Power supply 230V 50Hz Total power consumption kW 0 67 Electric motor kW 0 37 Protection IP40 Approx weight kg 47 Valves size Gas connection 1 Rp 1 1 Rp 1 1 Rp 1 1 Rp1 1 1 4 Rp 11 4 1 1 2 Rp 11 2 Operation Progressive Fully modulating Operating temperature C...

Page 10: ... 20 60 Working service Intermittent BURNER TYPE LG400 L xx 0 25 LG400 L xx 0 32 LG400 L xx 0 40 LG400 L xx 0 50 Output min max kW 105 420 Fuel L P G Category I3B P Gas rate min max Stm3 h 4 16 Gas pressure min max mbar Note2 360 Power supply 230V 50Hz Total power consumption kW 0 75 Electric motor kW 0 45 Protection IP40 Approx weight kg 47 Valves size Gas connection 1 Rp 1 1 Rp 1 1 Rp 1 2 Rp 2 Op...

Page 11: ...as rate min max Stm3 h 6 4 20 Gas pressure min max mbar Note2 360 Power supply 230V 50Hz Total power consumption kW 0 55 Electric motor kW 0 25 Protection IP40 Approx weight kg 47 Valves size Gas connection 1 Rp1 1 1 4 Rp 11 4 1 1 2 Rp 11 2 Operation Double stage Progressive Fully modulating Operating temperature C 10 50 Storage Temperature C 20 60 Working service Intermittent BURNER TYPE NGX350 M...

Page 12: ... MJ Stm3 Note2 Maximum gas pressure 360mbar with Dungs MBDLE MBC valves Minimum gas pressure see gas curves for network gas pressure GAS CATEGORY COUNTRY I2H AT ES GR SE FI IE HU IS NO CZ DK GB IT PT CY EE LV SI MT SK BG LT RO TR CH I2E LU PL I2E R B BE I2EK NL I2ELL DE I2Er FR Only for I2EK the appliance was configured for the appliance category K I2K and is suitable for the use of G and G distri...

Page 13: ...tage kW NG400 Progressive kW z L P G Burners BACK PRESSURE IN CCOMBUSTION CHAMBER mbar LG280 Single stage kW LG280 Duoble stage Progressive kW 1 0 1 2 3 4 5 6 50 100 150 200 250 300 350 1 0 1 2 3 4 5 6 7 50 100 150 200 250 300 350 0 1 2 3 4 5 6 7 100 150 200 250 300 350 400 0 2 4 6 50 100 150 200 250 300 350 400 0 1 2 3 4 5 6 7 8 9 150 200 250 300 350 400 450 0 1 2 3 4 5 6 7 8 9 100 150 200 250 30...

Page 14: ...n the burner output and the generator specifications that is why the minimum output may be different from the Per formance curve minimum BACK PRESSURE IN CCOMBUSTION CHAMBER mbar LG350 Single stage kW LG350 Progressive kWkW BACK PRESSURE IN CCOMBUSTION CHAMBER mbar LG400 Single stage kWkW LG400 Progressive kWkW z Low NOx burners BACK PRESSURE IN CCOMBUSTION CHAMBER mbar NGX280 Progressive kWkW NGX...

Page 15: ...Stm3 h 0 20 40 60 80 1 00 5 1 0 1 5 20 25 30 35 40 Rp 1 25 Rp 1 32 Rp 20 Rp 1 5 0 20 40 60 80 1 00 5 1 0 1 5 20 25 30 35 40 Rp 1 25 Rp 1 32 Rp 20 Rp 1 5 0 20 40 60 80 100 10 15 20 25 30 35 40 45 Rp 1 25 Rp 1 32 Rp 1 40 Rp 20 Rp 15 0 20 40 60 80 100 5 10 15 20 25 30 35 40 45 Rp 1 25 Rp 1 40 Rp 1 32 Rp 15 Rp 20 0 20 40 60 80 100 120 140 15 20 25 30 35 40 45 50 Rp 1 25 Rp 20 Rp 15 0 2 4 6 8 10 12 14 ...

Page 16: ...MD Gas rate Stm3 h 0 1 0 20 30 40 50 3 5 7 9 1 1 1 3 1 5 Rp 1 25 Rp 1 32 Rp 20 Rp 15 0 1 0 20 30 40 50 2 4 6 8 1 0 1 2 1 4 Rp 1 25 Rp 1 32 Rp 20 Rp 1 5 0 10 20 30 40 50 60 4 6 8 10 12 14 Rp 1 25 Rp 1 32 Rp 15 Rp 20 0 10 20 30 40 50 60 2 4 6 8 10 12 14 16 Rp 1 32 Rp 1 25 Rp 1 20 Rp 15 0 10 20 30 40 50 60 70 6 8 10 12 14 16 18 Rp 1 25 Rp 1 32 Rp 1 40 Rp 15 Rp 20 0 10 20 30 40 50 60 70 2 4 6 8 10 12 ...

Page 17: ... is not included To know the minimum pressure 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 0 5 1 0 1 5 20 25 30 8 1 0 1 2 1 4 1 6 1 8 20 22 24 26 Rp 1 2 5 Rp 1 3 2 Rp 1 4 0 Rp 2 0 0 5 1 0 1 5 20 25 30 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 26 Rp 1 3 2 Rp 1 4 0 Rp 1 2 5 Rp 2 0 0 10 20 30 40 50 60 70 80 5 ...

Page 18: ...e outlet on the butterfly valve 3 Differential pressure gauge Measuring the gas pressure in the combustion head In order to measure the pressure in the combustion head insert the pressure gauge probes one into the generator s pressure outlet Fig 4 2 to get the pressure in the combustion chamber and the other one into the butterfly valve s pressure outlet of the burner Fig 4 3 On the basis of the m...

Page 19: ...s rate Stm3 h z L P G Burners Gas backpressure in combustion head LG280 Gas rate Stm3 h Gas backpressure in combustion head LG350 Gas rate Stm3 h LG400 Gas rate Stm3 h 0 2 4 6 8 1 0 1 2 1 4 1 6 6 1 0 1 4 1 8 22 26 30 34 0 2 4 6 8 10 12 5 10 15 20 25 30 35 40 0 1 2 3 4 5 6 7 8 9 10 15 20 25 30 35 40 45 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 0 5 10 15 20 25 2 4 6 8 10 12 14 0 ...

Page 20: ...ion head NGX280 Gas rate Stm3 h Gas backpressure in combustion head NGX350 Gas rate Stm3 h NGX400 Gas rate Stm3 h 0 2 4 6 8 1 0 1 2 1 4 4 6 8 1 0 1 2 1 4 1 6 1 8 20 0 2 4 6 8 10 12 14 16 18 6 8 10 12 14 16 18 20 22 24 26 28 30 0 1 2 3 4 5 6 7 8 9 10 5 10 15 20 25 30 35 40 ...

Page 21: ...C F G H J K1 K2 M N Omin Omax P Q R S T X Y NG LG280 733 878 163 308 570 396 117 137 348 215 223 M10 219 131 172 155 541 366 175 128 491 130 NG LG350 748 878 178 308 570 396 125 164 348 215 223 M10 219 131 172 155 541 366 175 89 491 144 NG LG400 768 898 198 328 570 396 144 164 348 215 223 M10 219 131 172 155 541 366 175 89 491 144 D 5 mm E 5 mm W Rp 1 Rp 1 Rp 1 Rp 2 Rp 1 Rp 1 Rp 1 Rp 2 Rp 1 Rp 1 R...

Page 22: ...H J K1 K2 M N Omin Omax P Q R S T X Y NGX280 733 878 163 308 570 396 114 137 348 215 223 M10 219 131 172 155 541 366 175 128 491 130 NGX350 748 878 178 308 570 396 137 164 348 215 223 M10 219 131 172 155 541 366 175 89 491 144 NGX400 768 898 198 328 570 396 156 176 348 215 223 M10 219 131 172 155 541 366 175 89 491 156 D 5 mm E 5 mm W Rp 1 Rp 1 Rp 1 Rp 2 Rp 1 Rp 1 Rp 1 Rp 2 Rp 1 Rp 1 Rp 1 Rp 2 NGX...

Page 23: ...er The burners described in this manual have been tested with combustion chambers that comply with EN676 regulation and whose dimensions are described in the diagram In case the burner must be coupled with boilers with a combustion chamber smaller in dia meter or shorter than those described in the diagram please contact the supplier to verify that a correct matching is possible with respect of th...

Page 24: ... this user s guide 2 Remove the flanged piece T by removing the 4 socket head screws VTF Fig 7 3 Remove the 4 screws which hold the blast tube to the flanged piece Fig 8 4 Extract the blast tube from the flanged piece and assemble it in the other way round as shown in pictures Fig 9 and Fig 10 Now fasten the two pieces using the same screws 5 Assemble the whole piece to the burner by caring attent...

Page 25: ... them very slightly paying particular attention not to disconnect the ionisation cable to the electrode 4 Fix the combustion head again See Removing the combustion head Gas Train Reversal The gas train can be fit either on the left and on the right Follow these instruction 1 Remove the plastic hook G to release the rod T Fig 16 2 Take the screws V1 V2 V3 V4 VT1 and VT2 off Fig 16 3 Take the igniti...

Page 26: ... and the combustion head together 9 Rotate the disc D following the instructions below 10 Take off the screw VF 11 Rotate the disc D for 180 and then fit the screw VF Fig 21 12 Reconnect CR and CA 13 Retighten the screws V1 V2 V3 V4 VT1 e VT2 14 Place again the rod T into its own position and fasten it by the platic hook G Fig 16 Fig 17 Fig 18 Fig 19 Fig 20 Fig 21 Standard position Fig 22 New posi...

Page 27: ...ation fo the gas valves are showed in the next paragraph MULTIBLOC DUNGS MB DLE 405 412 Mounting 1 Mount flange onto tube lines use appropriate sealing agent see Fig 25 2 insert MB DLE note position of O rings see Fig 25 3 tighten screws A B C and D Fig 23 Fig 24 accordind to the mounting positions Fig 26 4 after installation perform leakage and functional test 5 disassembly in reverse order ATTEN...

Page 28: ...anges Fig 24 4 After mounting perform leakage and functional tests Once the train is installed connect the gas valves group plug Fig 23 Fig 24 Fig 25 Fig 26 Fig 27 Fig 28 Fig 29 Fig 30 ATTENTION once the gas train is mounted according to the diagram the gas proving test mus be performed according to the procedure set by the laws in force A B D C MOUNTING POSITIONS A B C D C B D A MOUNTING POSITION...

Page 29: ...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 the chapter WARNINGS and the Electrical connections section WARNING if the cable that connects the thermostats and the control box should be longer than 3 meters insert a sectioning relay following the attached...

Page 30: ...E METER FU1 FAN MOTOR LINE FUSE 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 LAMP MV FAN MOTOR ST THERMOSTATS O PRESSURE SWITCHES SERIE TAB HIGH LOW FLAME THERMOSTAT PRESSURE SWITCH TS SAFETY THERMOSTAT PRESSURE SWITCH CONN MOTORE FAN MOTOR CONN...

Page 31: ...NE FUSE FU4 AUXILIARY FUSE IL BURNER LINE SWITCH IM FAN MOTOR LINE SWITCH KM1 FAN MOTOR REMOTE CONTACTOR LANDIS RWF40 MODULATION REGULATOR LB BURNER LOCKOUT SIGNALLING LAMP LBF BURNER IN LOW FLAME SIGNALLING LAMP MV FAN MOTOR SD 0 10V VOLTAGE SIGNAL SD 0 4 20mA CURENT SIGNAL SD PRESS PRESSURE PROBE SMA MAN AUTO SELECTOR SMF OPERATION SELECTOR MIN 0 MAX ST PRESSURE SWITCHES OR THERMOSTATS SERIE TS ...

Page 32: ...ut quoted in the performance curve page 13 Key C Capacitor 22nF 250V R Resistor 1Mohm RC466890660 RC Siemens filter Code 2531003 Fig 41 ATTENTION before starting the burner 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 closed ATTENTION During comm...

Page 33: ...it upside down and use it as a toolto rotate screw VR Decre ase the ignition flow rate by screwing increase it by unscrewing Do not use a screwdriver on the screw VR Note the screw VSB must be removed only in case of replacemente of the coil 1 remove the burner cover 2 startup the burner by turning its main switch A to on if the burner locks LED B on in the control panel press the RESET button C o...

Page 34: ...eased and by unscrewing it is reduced Pressure governor is factory set The setting values must be locally adapted to machine conditions Important Follow the instructions of the burner manufacturer To adjust the air flow rate proceed as follows according to the burner operation single stage double stage prograssive or fully modulating z Adjustements for single stage burners 8 loosen VR screw see pi...

Page 35: ... of the actuator After this operation check the gas rate and verify the combustion values In case of lack or excess of air work on the screws V of the adjusting cam see next picture matching the setting point of the air rate in low flame unscrew to increase the air rate or screw to decrease it Fully modulating burners To adjust the air rate in low flame and in the intermediate points proceed as fo...

Page 36: ...z Remove the transparent plastic cap z Once air and gas setting have been accomplished startup the burner z While the burner is operating rotate slowly and clockwise the adjusting 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 z Repeat the start up cycle and check the burner runs properly z Refit the tran...

Page 37: ...he pressure value until the burner stops z Slowly fully open the manual cutoff valve z Refit the transparent plastic cover on the pressure switch Fig 48 Adjusting the maximum gas pressure switch when provided To calibrate the maximum pressure switch proceed as follows according to its mounting position 1 remove the pressure switch plastic cover 2 if the maximum pressure switch is mounted upstreaam...

Page 38: ...T AND SAFE FUNCTIONING OF THE BURNER THEREFORE 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 ELECTRICAL LEADS OPENING THE GENERATOR DOOR DISMANTLING OF PART OF THE BURNER NEVER OPEN OR DISMANTLE ANY COMPONENT OF THE MACHINE OPERATE ONLY THE MAIN SWITC...

Page 39: ... valve the leakage control device locks and its red lamp lights To reset the device operate on the device pushbutton All burners z When the startup cycle begins the servocontrol drives the air damper to the maximum opening position the fan motor starts and the pre purgue phase begins During the pre purgue phase the complete opening of the air damper is signalled by the light E on the frontal panel...

Page 40: ...2 z Check the filter at least once a year z Change the filter if the pressure difference between pressure connection 1 and 3 Fig 51 Fig 52 is Δp 10 mbar z Change the filter if the pressure difference between pressure connection 1 and 3 Fig 51 Fig 52 is twice as high compared to the last check You can change the filter without removing the fitting 1 Interrupt the gas supply closing the on off valve...

Page 41: ...g 55 is twice as high compared to the last check You can change the filter without removing the fitting 1 Interrupt the gas supply closing the on off valve 2 Remove screws 1 6 Fig 56 3 Change filter insert 4 Re insert filter housing screw in 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 Fig...

Page 42: ... towards himself Once the combustione head is removed check that the air and gas holes are not obstructed Fig 60 H Clean the combustion head by a compressed air blow or in case of scale scrape it off by a scratchbrush Checking the detection current If the burner locks execute the following inpesctions To measure the detection signals refer to the diagrams in Fig 61 If the signal is less than the v...

Page 43: ...ding to the laws in force in your country about the Disposal of materials Adjusting the electrodes position ATTENTION avoid the ignition and detection electrodes to get in touch with metallic parts blast tube head etc otherwise the boiler s operation would be compromised Check the electrodes position after any intervention on the combustion head The gap between the ignition electrode and the groun...

Page 44: ...GAS z z MAXIMUM GAS PRESSURE SWITCH DEFECTIVE IF PROVIDED z z THERMOSTATS PRESSURE SWITCHES DEFECTIVE z z z OVERLOAD TRIPPED INTERVENTION z AUXILIARIES FUSE INTERRUPTED z CONTROL BOX FAULTY z z z z z DEFECTIVE SERVOCONTROL IF PROVIDED z z z AIR PRESSURE SWITCH FAULT OR BAD SETTING z z z z MINIMUM GAS PRESSURE SWITCH DEFECTIVE OR GAS FILTER DIRTY z z z z z IGNITION TRANSFORMER FAULT z IGNITION ELEC...

Page 45: ... 45 Wiring diagrams see attached document LG NG NGX 280 Single stage Eletric wiring diagrams SE01 530 LG NG NGX 280 Double stage Progressive Eletric wiring diagrams SE18 103 LG NG NGX 350 400 Eletric wiring diagrams SE18 163 ...

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Page 55: ... GROUP FLANGE 23 GAS PROVING SYSTEM 25 AIR FLAP 26 AIR DAMPER CRANK progressive and fully modulating only 27 FIXING ROD 30 PANEL ASSEMBLY 34 GREY GREEN TERMINAL 35 BLACK GREEN TERMINAL 36 BLOCKING PLATE 37 1 COMPONENTS BRACKET 37 2 ELECTRONIC BOARD 37 3 ACTUATOR double stage progressive and fully modulating only 37 4 AIR PRESSURE SWITCH 37 5 CONTROL BOX BOARD 37 6 CONTROL BOX 37 7 GAS TRANSFORMER ...

Page 56: ...C I B UNIGAS M039132CD 47 ...

Page 57: ...RE SWITCH 21 MOTOR 22 VALVE GROUP FLANGE 23 GAS PROVING SYSTEM 24 OR RING 25 AIR FLAP 26 AIR DAMPER CRANK progressive and fully modulating only 27 FIXING ROD 28 GAS PIPE 29 1 GAS TRANSFORMER 29 2 SMALL ADJUSTING CAM 29 3 ACTUATOR double stage progressive and fully modulating only 30 PANEL ASSEMBLY 31 1 CONTROL BOX BRACKET 31 2 AIR PRESSURE SWITCH 31 3 1 CONTROL BOX 31 3 2 CONTROL BOX BOARD 31 4 CO...

Page 58: ...RE 1 4 DI 02 0106 3 NG400 IDEA NG 400 AB BS BL 0 BRUCIATORE 1 FORMATO A3 RIF CLIENTE ESPLOSO 1 REVISIONE DESCRIZIONE PARTICOLARE EMISSIONE CIB UNIGAS 9 16 15 3 4 15 1 15 5 30 33 6 15 2 3 8 7 25 28 24 18 22 1 35 34 22 23 10 11 12 13 14 7 19 15 4 21 31 1 32 3 32 2 32 4 1 17 27 2 26 36 31 3 1 31 3 2 31 2 31 4 32 5 32 6 32 1 5 36 29 3 29 2 29 1 32 4 3 32 4 2 ...

Page 59: ...he waiting 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 position is reached Only then will fan motor M be switched on t10 Specified time for air pressure signal On completion of this period of time the set air pressure must have built up or else lockou...

Page 60: ...ecified 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 C D 11 SB R W GP AL LP SA BV1 LR BV2 Z FS tw t1 t3n TSA t4 7101d02 0606 t11 t12 EK2 12 10 3 7 4 5 6 1 8 A B B C D 9 t3 t10 LK M I 11 SB R W GP AL LP BV1 LR BV2 Z FS tw t1 t3n t4 7101d05 0206 12 ...

Page 61: ...mostat 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 K2 2 H Si L N NT RESET EK FSV ION 1 2 3 M 4 BV1 5 BV2 7 Z 10 AL T 12 R W GP STB 9 pa 6 LP 8 EK 11 K1 K2 1 K3 K4 K2 2 H Si L N PC control NT PC control RESET EK FSV ION 1 2 3 M 4 BV1 5 BV2 7 Z 10 ...

Page 62: ...ted fault 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 by pressing the lockout reset button for about 1 3 seconds The LME can only be reset when all contacts in the line are closed and when there is no undervoltage LIMITATION OF REPETITIONS only for...

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Page 64: ...Via 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 and omissions exceptd ...

Page 65: ...E039132CA Rev 0 5 07 2015 LG NG NGX280 LG NG NGX350 LG NG NGX400 WIRING DIAGRAMS ...

Page 66: ...MIN 0 MAX FUNCTIONING MANUAL SELECTOR ST SERIES OF THERMOSTATS OR PRESSURE SWITCHES STA SQN72 AIR DAMPER ACTUATOR TA IGNITION TRANSFORMER TAB HIGH LOW THERMOSTAT PRESSURE SWITCHES TC THERMOCOUPLE TS SAFETY THERMOSTAT OR PRESSURE SWITCH VPS504 GAS PROVING SYSTEM OPTIONAL FAN MOTOR 620 W D 450W FU2 6 3 A F FAN MOTOR 370 W FU2 10 A F BRIDGE BETWEEN TERMINALS7 AND 9 ONLY WITH LGB21 330 SINGLE STAGE VE...

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