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PART II: INSTALLATION

GAS TRAIN CONNECTIONS

The diagrams show the components of the gas trai included in the delivery and which must be fitted by the installer.The diagrams are in
compliance with the current laws.

Key

Assembling the gas train

Fig. 7 - Example of gas train

WARNING: BEFORE EXECUTING THE CONNECTIONS TO THE GAS PIPE NETWORK, BE SURE THAT THE
MANUAL CUTOFF VALVES ARE CLOSED.

Gas train with valves group MB-DLE (2 gas pressure go pressure switch) + gas leakage pressure switch
(PGCP)

Gas train with valves group VGD with built-in gas pressure go gas leakage pressure switch (PGCP)

Filter

Butterfly valve

Pressure switch - PGMIN

Main burner

Safety valve with built in gas governor

Bellows unit(*optional)

Proving system pressure switch - PGCP

Manual valve(*optional)

Pressure switch - PGMAX(*optional)

GAS INLET

SUPPLIED BY BURNER
CONSTRUCTOR

BY OTHERS

GAS INLET

SUPPLIED BY BURNER
CONSTRUCTOR

BY OTHERS

Keys

1A..1E

Gasket

Gas filter

Gas valves group

Bellows unit

Manual valve

”direction” arrows for installation

gas supply network

Содержание LX60

Страница 1: ...M039320CA Rel 0 1 06 2017 BURNERS BRUCIATORI BRULERS BRENNER QUEMADORES LMV2x Microprocessor controlled gas burners MANUAL OF INSTALLATION USE MAINTENANCE LX60 LX65 LX72...

Страница 2: ...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...

Страница 3: ...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...

Страница 4: ...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 Mac...

Страница 5: ...e versions PR Progressive MD Fully modulating 4 BLAST TUBE S Standard L Extended 5 DESTINATION COUNTRY see data plate 6 BURNER VERSION A Standard Y Special 7 EQUIPMENT 1 2 valves gas proving system 8...

Страница 6: ...rating temperature C 10 50 Storage Temperature C 20 60 Working service Intermittent BURNERS LX65 M 0 50 LX65 M 0 65 Output min max kW 245 760 Fuel Natural gas Category see next paragraph Gas rate min...

Страница 7: ...ressure 360mbar with Dungs MBDLE Maximum gas pressure 500mbar with Siemens VGD Minimum gas pressure see gas curves GAS CATEGORY COUNTRY I2H AT ES GR SE FI IE HU IS NO CZ DK GB IT PT CY EE LV SI MT SK...

Страница 8: ...C CC D E F G H J K L M N O min O max P Q R S U V W Y Z LX60 0 40 40 1026 1206 99 252 432 314 736 298 812 500 312 185 204 210 240 344 M10 269 190 190 190 439 112 327 444 x 464 162 120 LX60 0 50 50 102...

Страница 9: ...30 216 250 233 533 130 403 565 313 548 162 155 DN A S A L AA B S B L BB C CC D E F G H J K L M N Omin Omax P Q R S U V W Y Z LX72 MD 0 40 50 1139 1224 130 300 385 373 803 316 832 500 332 219 249 208 3...

Страница 10: ...ambient temperature at 15 C NOTE The performance curve is a diagram that represents the burner performance in the type approval phase or in the laboratory tests but does not represent the regulation r...

Страница 11: ...ue must be lower or equal to the pgas value calcula ted before GAS PRESSURE mbar LX60 M 40 Gas rate Stm3 h LX60 M 50 65 Gas rate Stm3 h GAS PRESSURE mbar LX65 Gas rate Stm3 h LX72 Gas rate Stm3 h Caut...

Страница 12: ...the combustion chamber 3 Gas pressure outlet on the butterfly valve 4 Differential pressure gauge Measuring the gas pressure in the combustion head In order to measure the pressure in the combustion h...

Страница 13: ...sure in combustion head mbar LX60 Stm3 h LX65 Stm3 h Gas pressure in combustion head mbar LX72 Stm3 h WARNING the diagrams refers to natural gas For different type of fuel please refer to the paragrap...

Страница 14: ...xing nuts according to the next picture 8 After fitting the burner to the boiler ensure that the gap between the blast tube and the refractory lining is sealed with appropriate insulating material cer...

Страница 15: ...lication involved To correctly match the burner to the boiler verify the type of the blast tube Verify the necessary input and the pressure in combustion chamber are included in the burner performance...

Страница 16: ...governor pressure switch gas leakage pressure switch PGCP Gas train with valves group VGD with built in gas pressure governor gas leakage pressure switch PGCP 1 Filter 6 Butterfly valve 2 Pressure sw...

Страница 17: ...insert MB DLE note position of O rings see Fig 10 3 tighten screws A B C and D Fig 8 Fig 9 accordind to the mounting positions Fig 11 4 after installation perform leakage and functional test 5 disasse...

Страница 18: ...e tight z make certain that the O rings and gaskets between the flanges and the double gas valve are fitted z Connect the reference gas pipe TP in figure 8mm external size pipe supplied loose to the g...

Страница 19: ...e switches Gas Filter if provided The gas filters remove the dust particles that are present in the gas and prevent the elements at risk e g burner valves counters and regulators from becoming rapidly...

Страница 20: ...nal X3 04 4 in case of LMV2x LMV3x LMV5x LME7x on the board and the earth terminal an RC Siemens RC466890660 filter must be inserted For LMV5 control box please refer to the clabeling recommendations...

Страница 21: ...ER OPEN OR DISMANTLE ANY COMPONENT OF THE MACHINE EXCEPT FOR ITS MAINTENANCE TO SECURE THE MACHINE ACT ON THE ISOLATOR SWITCH IN CASE OF ANOMALIES THAT REQUIRED A SHUT DOWN OF THE BURNER IT S POSSIBLE...

Страница 22: ...g pre purgue phase G Low flame operation indicator light H Ignition tranformer operation indicator light I Valve in operation indicator light for EV2 L Valve in operation indicator light for EV1 M Ind...

Страница 23: ...elow The keys functions are the following WARNING During commissioning operations do not let the burner operate with insufficient air flow danger of formation of carbon monoxide if this should happen...

Страница 24: ...the curve adjustments Keys ESC By pressing and at the same time the ESCAPE function is perfomed to enter a lower level menu Bloc Descrizione Description Password 100 Informazioni generali General OEM...

Страница 25: ...e ignition transformer OFF t42 preignition time OFF Ph44 t44 intervallo 1 t44 interval 1 Ph50 TSA2 secondo tempo sicurezza TSA2 2nd safety time Ph52 t52 intervallo 2 t52 interval 2 Ph60 Funzionamento...

Страница 26: ...ess the enter InFo key 3 then il will show the first code 167 flashing on the right side it will show the data entered By pressing or it is possible to scroll up or down the parameter list 4 If a dot...

Страница 27: ...End message will flash 10 Press InFo for more than three seconds or for more than three seconds orto return to the normal display If a message like the one below is shown during operation it means th...

Страница 28: ...f phases Example Error code 111 diagnostic code 0 To reset press InFo for a second Record the codes and check the Error List to find the type of faults Service level To enter the Service mode press In...

Страница 29: ...y pressinf or it is possible to scroll up down the parameter list 2 Once the last parameter is accessed 143 by pressing the End message will blink 3 Press InFo for more than three seconds or for more...

Страница 30: ...ver C By screwing down the pressure is increased and by unscrewing it is reduced Note the screw VSB must be removed only in case of replacemente of the coil Fig 23 Fig 24 Key 1 Electrical connection f...

Страница 31: ...er 2 if the maximum pressure switch is mounted upstreaam the gas valves measure the gas pressure in the network when flame is off by means of the adjusting ring nut VR set the value read increased by...

Страница 32: ...the pressure value until the burner stops z Slowly fully open the manual cutoff valve z Refit the transparent plastic cover on the pressure switch Adjusting the maximum gas pressure switch when provi...

Страница 33: ...if necesssary z Remove and clean the combustion head z Examine and clean the ignition electrodes adjust and replace them if necessary z Examine and clean the detection electrode photoelement according...

Страница 34: ...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 Removing the filter in the MULTIBLOC DUNGS MB DLE 415 420 B01 1...

Страница 35: ...PART IV MAINTENANCE 35 Fig 28 Fig 29 Fig 30 B A C D E...

Страница 36: ...sition the manifold G and pull out the complete group as shown in figure Note for the subsequent assembly carry out the above described operations in the reverse order checking the correct position of...

Страница 37: ...cables 3 loose the screws of the electrodes VB 4 remove the ignition electrodes and replace them paying attention to the measures shown in figure Adjust the electrodes position according to the quote...

Страница 38: ...top To stop the burner in the seasonal stop proceed as follows 1 turn the burner main switch to 0 Off position 2 disconnect the power mains 3 close the fuel valve of the supply line Burner disposal In...

Страница 39: ...PART IV MAINTENANCE 39 WIRING DIAGRAMS Refer to the attached wiring diagrams WARNING 1 Electrical supply 230V 400V 50Hz 3N a c 2 Do not reverse phase with neutral 3 Ensure burner is properly earthed...

Страница 40: ...AS z z MAXIMUM GAS PRESSURE SWITCH DEFECTIVE z z THERMOSTATS PRESSURE SWITCHES DEFECTIVES z z z OVERLOAD TRIPPED INTERVENTION z AUXILIARIES FUSE INTERRUPTED z DEFECTIVE CONTROL BOX z z z z z DEFECTIVE...

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Страница 44: ...a 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 an...

Страница 45: ...Service manual AZL2x LMV2x 3x Burner Management System M12916CD Rev 3 4 03 2023...

Страница 46: ...900 Process data 32 Actuators references 33 Gas proving system 33 Air fuel curve points 33 COMMISSIONING THE BURNER 34 Warm setting 38 Cold setting 39 BURNER STARTUP WITH LMV2x ALREADY PROGRAMMED 40...

Страница 47: ...CTIONS FOR BURNERS z The burner should be installed in a suitable room with ventilation openings complying with the requirements of the regulations in force and sufficient for good combustion z Only b...

Страница 48: ...ditions such as the development of toxic or explosive mixtures DIRECTIVES AND STANDARDS Gas burners European directives Directive 2009 142 EC Gas Appliances Directive 2006 95 EC on low voltage Directi...

Страница 49: ...apparatus EN 50165 Electrical equipment of non electric appliances for household and similar purposes Safety requirements UNI EN 746 2 Industrial thermoprocessing equipment Burner data plate For the...

Страница 50: ...forms all the burner control functions and of the Siemens AZL local programming unit that interfaces the system with the user Keys 1 Burner 2 AZL2 3 Air actuator 4 Fuel actuator 5 LMV2 User interface...

Страница 51: ...ice mode Info and Enter keys Used for Info and Service menues Used as Enter key in the setting modes Used as Reset key in the burner operation mode Used to enter a lower level menu Key Used to decreas...

Страница 52: ...8 Parameters level heating engineer...

Страница 53: ...ription Password 000 Internal parameters OEM Service 100 Informazioni generali General OEM Service Info 200 Controllo bruciatore Burner control OEM Service 300 Controllo bruciatore solo LMV26 Burner c...

Страница 54: ...kup data set Service Info Param Descrizione Description Password LMV20 LMV27 LMV26 LMV37 102 Data produzione in gg mm aa Identification date yy mm dd Service Info x x x 103 Numero identificativ Identi...

Страница 55: ...ed OEM Service x x 145 Indirizzo dispositivo per Modbus Device address for Modbus OEM Service x x 146 Velocit di trasmissione per Modbus Baud rate for Modbus OEM Service x x 147 Parit per Modbus Parit...

Страница 56: ...erci zio azzerabile da Service Fuel 1 Operation hours resettable Service Info x 174 Fuel 1 secondo combustibile Numero di partenze azzerabile da Service Fuel 1 Number of startups resettable Service In...

Страница 57: ...e fuel train modula ting multistage actuators etc __ undefined delete curves 1 gas direct ignition G mod 2 ignition by gas pilot connected between the two gas solenoid valves EV1 EV2 Gp1 mod 3 ignitio...

Страница 58: ...x x x 210 Allarme impedimento avviamento 0 non attivo 1 attivo Alarm in the event of start prevention 0 deactivated 1 activated OEM Service x x x 211 Tempo aumento giri ventilatore valore fab brica 2...

Страница 59: ...nge impostazione 20s 60min Gas Prepurge time default value 20s range 20s 60min OEM Service x x x 226 Gas tempo di preaccensione valore fab brica 2s range impostazione 0 2s 60min Gas Preignition time d...

Страница 60: ...ivo 1 esso modificabile solo su LMV37 Dal punto di vista della sicurezza il funzionamento continuo valido esclusiva mente per bruciatori di gas con elettrodo di rilevazione Gas Forced intermittent ope...

Страница 61: ...Postpurge time 3 abortion with load controller LR ON OEM Service x x x 261 Olio sonda rilevazione fiamma attivo valore fabbrica 0 0 QRB QRC 1 ION QRA Oil active detector flame evaluation default value...

Страница 62: ...0 inactive 1 active from phase 38 2 active from safety time TSA OEM Service x x 277 Olio Pressostato olio di massima ingresso POC 0 inattivo 1 pressostato olio di massima 2 POC Oil Pressure switch max...

Страница 63: ...lvole EV1 EV2 del gas regolazione pneumatica Gp1 mod pneu 9 accensione tramite pilota gas con attacco a monte dell elettrovalvola EV1 del gas regolazione pneumatica Gp2 mod pneu 10 olio modulante con...

Страница 64: ...ore fabbrica 1 0 QRB QRC 1 ION QRA Fuel 1 Gas active detector flame evalua tion default value 1 0 QRB QRC 1 ION QRA OEM Service x 322 Combustibile 1 Gas Preventilazione valore fabbrica 1 1 attivo 0 no...

Страница 65: ...Intervallo 2 valore fabbrica 2s range impostazione 0 2s 60min Fuel 1 Gas Interval 2 default value 2s range 0 2s 60min OEM Service x 333 Combustibile 1 Gas Tempo postcombu stione valore fabbrica 8s ra...

Страница 66: ...t filling time default value 3s range 0 2s 10s OEM x 345 Combustibile 1 Gas tempo test pressione gas valore fabbrica 10s range imposta zione 0 2s 60s Fuel 1 Gas proving test time gas pres sure default...

Страница 67: ...mbustibile 1 Olio tempo di risposta a cadute di pressione entro TSA1 e TSA2 valore fabbrica 1 8s range imposta zione 0 2s 14 8s Fuel 1 Oil time to respond to pressure faults in TSA1 and TSA2 default v...

Страница 68: ...censione corta Ph38 fase pro gramma 38 1 preaccensione lunga con ventilatore Ph22 fase programma 22 Fuel 1 Oil time oil ignition default value 1 0 short preignition Ph38 progr phase 38 1 long preignit...

Страница 69: ...ting the cur ves OEM Service x x x 403 Curve controllo inverter F A si accede alla lista dei punti da impostare da P0 a P9 con sultare paragrafo Impostazione curve Ratio control curves VSD curve setti...

Страница 70: ...repurge speed 100 Index 2 postpurge speed 50 OEM Service x x 504 Combustibile 1 Posizione servocomando combustibile in assenza di fiamma no flame Indice 0 posizione di sosta 0 Indice 1 posizione preve...

Страница 71: ...di carico per modulazione valore fabbrica n d range imposta zione 20 100 Lower load limit default value n d range 20 100 OEM Service x x x 546 Percentuale massima di carico per modula zione valore fa...

Страница 72: ...0 combustibile Indice 1 aria Tolerance limit of position monitoring 0 1 Index 0 fuel Index 1 air OEM Service x x x 608 Combustibile 1 Impostazione punto di riferi mento Indice 0 combustibile Indice 1...

Страница 73: ...top SQN1 3 both OEM x 613 Tipo di servocomando Indice 0 combustibile Indice 1 aria 0 5s 90 1Nm 1 2Nm 3Nm 1 10s 90 6Nm 2 17s 90 10Nm Type of actuator Index 0 fuel Index 1 air 0 5 s 90 1Nm 1 2Nm 3Nm 1 1...

Страница 74: ...tion of analog output default value 0 0 DC 0 10 V 1 DC 2 10 V 2 DC 0 2 10 V OEM Service LMV27 x x ATTENTION as for SQM3x actuators set the direction according to the acutator function As far as SQN1x...

Страница 75: ...ror history 701 725 02 diagnostic code Service Info Storico errori 701 725 03 classe errore Error history 701 725 03 error class Service Info Storico errori 701 725 04 fase Error history 701 725 04 ph...

Страница 76: ...Active load source OEM Service 945 Solo con LMV26 Combustibile attuale 0 combustibile 0 1 combustibile 1 Actual fuel 0 fuel 0 1 fuel 1 Service Info 947 Risultato interrogazione contatti codifica bit...

Страница 77: ...a leakage test designed to detect leaking gas valves and if necessary to pre vent the valves from opening or ignition from being switched on Lockout is initiated When performing valve proving the gas...

Страница 78: ...2x already programmed At the first LMV startup the AZL display will show It means that the unit was never set or that no mode was chisen or that some parameters have to be set furthert Push F fuel and...

Страница 79: ...l elettrov EV1 del gas Gp2 mod 4 accensione a gasolio modul Lo mod 5 accens a gasolio bistadio Lo 2 stage 6 accens a gasolio tristadio Lo 3 stage Burner operating mode fuel train mod multi stage actua...

Страница 80: ...e fuel actuator 0F until the requested value is reached for example 12 15 see below for the ignition point or press F and to decrease the angle To set the air damper opening angle 0A in the ignition p...

Страница 81: ...er is operating warm setting by pressing the ENTER InFo or while the burner is in stand by mode cold setting by pressing ENTER CAUTION at the first burner adjustment it is recommended to set the maxim...

Страница 82: ...ugh the flue analyser Keep the air excess inside normal figures from 3 to 7 residual O2 operating by means for the air damper servomotor Keep increasing the air damper opening and then the gas throttl...

Страница 83: ...t before end by pressing ESC or for a faulty shutdown the message OFF UPr Start preven tion will be diplayed until all the curvepoints will be set Note2 if the gas flow rate at high flame point maximu...

Страница 84: ...e than 5 seconds to process the curve downwards The curve is then a straight line go on checking the combustion values point by point change them if necessary and in case linearise the curve again Bef...

Страница 85: ...e burntime Ph72 travelling to postpurging Ph74 postpurge countdown is displayed Press ESC the parameter 546 Setting the maximum load is displayed Then press to exit the programming mode The display wi...

Страница 86: ...n Longer or shorter pushes on the button do not produce a reset so that the system maintains the lockout position Timeout for menu operation The time for automatically leaving the parameter setting le...

Страница 87: ...levels By means of a proper use of the keys it is possible to enter the various level parameters as shown in the following flow chart The burner and consequently the LMV2x are factory set the air and...

Страница 88: ...nd go back to the flashing number The Info level shows some basic parameters as 5 Example choose parameter 102 to show the date the display shows parameter 102 flashing on the left and characters _ _...

Страница 89: ...h another message Diagnostic code in the example diagnostic code 3 Record the codes and find out the fault in the Error table To perform the reset press InFo for one second The unit displays an event...

Страница 90: ...ht By pressinf or it is possible to scroll up down the parameter list 2 Once the last parameter is accessed 143 by pressing the End message will blink 3 Press InFo for more than three seconds or for m...

Страница 91: ...ignition time OFF Ph44 t44 intervallo 1 t44 interval 1 Ph50 TSA2 secondo tempo sicurezza TSA2 2nd safety time Ph52 t52 intervallo 2 t52 interval 2 Ph60 Funzionamento 1 stazionario Operation 1 stationa...

Страница 92: ...ess ENTER until the display will show with the button go to the group 000 of the parameters and press with the buttons and go to 050 parameter press the disply show press again with the button select...

Страница 93: ...uttons by pressing enter to confirm iWith the buttons go to the group 000 of the parameters press end select the 050 parameter press the disply show with the button the display shows press again with...

Страница 94: ...50 ERROR CODE TABLE...

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Страница 109: ...L PE QRB C N ION QRB C X75 1 X10 05 1 X10 06 1 X3 02 1 PLUFT FLAMME P L PE N L 2 3 L X5 03 1 X8 04 1 X8 02 1 X5 03 X10 05 X7 01 X8 04 X8 02 X75 X10 06 X3 02 X3 04 N PE L 1 1 1 1 1 1 1 1 1 QRA QRA QRA...

Страница 110: ...66 Wiring variants for LMV27 2 Fuel meter input 1 Supply fuel meter ConnectorX75 ConnectorX5 02 ConnectionsPmax...

Страница 111: ...tion speed output 2 GND signal reference 1 Controller input 4 20mA 5 Supply 4 Feedback signal 3 PWM Pulse Width Modulation speed output 2 GND signal reference 1 External supply 24V DC ConnectorX75 Con...

Страница 112: ...dulation speed output 2 GND signal reference 1 Controller input 4 20mA 5 Supply ConnectorX75 ConnectorX64 ConnectorX74 2 Fuel meter input 1 Supply fuel meter ConnectorX5 02 Connections Pmax 4 Feedback...

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Страница 116: ...and 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...

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