Unigas RX63 Manual Of Installation - Use - Maintenance Download Page 33 | Manualshive

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PART III: OPERATION

33

Adjusting the combustion head

The combustion head position affects the flame stability.The burner is factory-adjusted with the combustion head in its "all-ahead" posi-
tion. Laboratory tests have shown that this is the optimal configuration to assure flame stability. If different settings are required, it is
possible to change the position: move the combustion head backwards, turning clockwise the screw VRT.

CAUTION: perform these adjustments once the burner is turned off and cooled.

Attention! if it is necessary to change the head position, repeat the air and fuel adjustments described above.

“all-ahead” position

“all-backwards” head position

VRT

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Summary of Contents for RX63

Page 1: ...M039379CA Rel 0 02 2018 BURNERS BRUCIATORI BRULERS BRENNER QUEMADORES LMV2x 3x Microprocessor controlled gas burners MANUAL OF INSTALLATION USE MAINTENANCE RX63...

Page 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...

Page 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...

Page 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...

Page 5: ...pressure in the utilisation limits The actuators move proportionally the air damper and the gas butterfly valve in order to achieve the optimisation of the gas flue values as to get an efficient combu...

Page 6: ...gas valves gas proving system 7 2 gas valves maximum gas pressure switch 8 2 gas valves gas proving system maximum gas pressure switch 8 GAS CONNECTION see Specifications 32 Rp11 4 40 Rp11 2 50 Rp2 65...

Page 7: ...alorific value Hi 93 5 MJ Stm3 Note2 Maximum gas pressure 360mbar with Dungs MBDLE 500mbar with Siemens VGD Minimum gas pressure see gas curves Note3 Burners are suitable only for indoor operation wit...

Page 8: ...3 458 131 327 540 502 198 155 RX63 50 87 1039 1124 328 300 385 705 342 978 634 344 219 249 233 300 347 M10 330 216 250 233 473 131 342 526 502 198 155 RX63 65 87 1039 1124 328 300 385 705 342 1062 718...

Page 9: ...spheric pressure at 1013mbar 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 n...

Page 10: ...ine as far as matching on the y axis the value of pressure necessary to get the requested furnace input This value must be lower or equal to the pgas value calcula ted before GAS PRESSURE IN THE NETWO...

Page 11: ...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...

Page 12: ...PART I SPECIFICATIONS 12 Pressure rate in combustion head curves Curves are referred to pressure 0mbar in the combustion chamber Gas pressure in combustion head RX63 M Stm3 h...

Page 13: ...tions and health and safety regulations Do not stand under lifted loads Packing The burners are despatched in wooden crates whose dimensions are z 1636mm x 1036mm x 1016mm L x P x H Packing cases of t...

Page 14: ...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 corr...

Page 15: ...TWORK BE SURE THAT THE MANUAL CUTOFF VALVES ARE CLOSED Gas train with valves group MB DLE 2 valves gas filter pressure governor Gas train with valves group VGD with built in gas pressure governor 1 Fi...

Page 16: ...vices The procedures of installation fo the gas valves are showed in the next paragraphs according to the gas train used z threaded gas trains with Multibloc Dungs MB DLE or Siemens VGD20 z flanged ga...

Page 17: ...mounting positions Fig 8 4 after installation perform leakage and functional test 5 disassembly in reverse order 2 MULTIBLOC DUNGS MB DLE 415 420 Mounting 1 Loosen screws A and B do not unscrew Fig 9...

Page 18: ...in figure 8mm external size pipe supplied loose to the gas pressure nipples placed on the gas pipe downstream the gas valves gas pressure must be measured at a distance that must be at least 5 times...

Page 19: ...on functionality and compliance with the health and safety principles of the earth cable If in doubt ask for an accurate inspection by qualified technical engineers z Check the connection to the groun...

Page 20: ...ration with separate electrical panel optional The length of the electrical cables must comply with the provisions in the technical sheets of the equipment or the advice the company gives at the time...

Page 21: ...dy Injury hazard Do not touch any parts containing fuel i e tank and pipes Scalding hazard Do not use the burner in situations other than the ones provided for in the data plate Do not use fuels other...

Page 22: ...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...

Page 23: ...oving system LED turns on At the end of the test the burner staring cycle begins in case of leakage in a valve the gas proving system stops the bur ner and the lamp B1 turns on z At the beginning of t...

Page 24: ...he head air and fuel side 6 Open the thermostatic series and the safety chain 7 Turn the main switch on the panel front with the MAN AUTO selector to position 0 8 Select the GAS mode with the fuel sel...

Page 25: ...and keys Key F A While pressing the two keys contemporarly the code message will appear by entering the proper password it is possible to access the Service mode Info and Enter keys Used for Info and...

Page 26: ...Dati di processo Process data OEM Service Info Fase Phase Funzione Function Ph00 Fase blocco Lockout phase Ph01 Fase di sicurezza Safety phase Ph10 t10 tempo raggiungimento posizione riposo t10 home r...

Page 27: ...t62 massimo tempo bassa fiamma funzionamento 2 in preparazione per spegnimento verso bassa fiamma t62 max time low fire operation 2 prepa ring for shutdown traveling to low fire Ph70 t13 tempo postcom...

Page 28: ...hows some basic parameters as 5 Example choose parameter 102 to show the date the display shows parameter 102 flashing on the left and characters _ _ on the right 6 press InFo for 1 3 seconds the date...

Page 29: ...and find out the fault in the Error table To perform the reset press InFo for one second The unit displays an event which does not lead to shutdown The display shows current error code c alternating...

Page 30: ...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 than three seconds orto return to the normal displa...

Page 31: ...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 16 Fig 17 Key 1 Electrical connection f...

Page 32: ...z Repeat the ignition cycle of the burner and check it runs properly z Refit the transparent plastic cover on the pressure switch Calibration of low gas pressure switch As for the gas pressure switch...

Page 33: ...is the optimal configuration to assure flame stability If different settings are required it is possible to change the position move the combustion head backwards turning clockwise the screw VRT CAUTI...

Page 34: ...ventually wash it with non corrosive detergents z Check the blast tube it must be substituted in case of obvious cracks or anomalous holes Slight deformations that do not affect combustion may be tole...

Page 35: ...ousing 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 Replacing the spring in the g...

Page 36: ...5 and tighten screws 1 4 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 Gas filter maintenance To clean...

Page 37: ...ct metallic parts blast tube head etc otherwise the boi ler s operation would be compromised Check the electrodes position after any intervention on the combustion head OR V G C VRT AR To replace the...

Page 38: ...ollows 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 case of disposal follow the instructions according to t...

Page 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...

Page 40: ...TURES WITHOUT IGNITING THE BURNER Air pressure switch damaged or bad links Check air pressure switch functions and links Burner control damaged Replace burner control BURNER LOCKS OUT WITHOUT ANY GAS...

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Page 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...

Page 45: ...Service manual AZL2x LMV2x 3x Burner Management System M12916CD Rev 3 3 01 2017...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 80: ...the fuel actuator 0F until the requested value is reached for example 8 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 poi...

Page 81: ...ner is operating warm setting by pressing the ENTER InFo or while the burner is in stand by mode cold setting by pressing ESC CAUTION at the first burner adjustment it is recommended to set the maximu...

Page 82: ...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 throttle a...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 _ _...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 94: ...50 ERROR CODE TABLE...

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Page 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...

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

Page 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...

Page 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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Page 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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