MMA - TIG
INSTRUCTION MANUAL
Rev. 1.2 - Novembre 2014
INSTRUCTION MANUAL Pag. 4
SCHEMAS Pag. 13
TECHNICAL TABLES Pag. 14
DECLARATION OF CONFORMITY Pag. 17
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Duty Cycle Rif.
15% Tab. 01 Pag. 14 20% Tab. 02 Pag. 14 25% Tab. 03 Pag. 14 35% Tab. 04 Pag. 14 40% Tab. 05 Pag. 15 60% Tab. 06/A Pag. 15 60% 3Ph Tab. 06/B Pag. 15 70% Tab. 07 Pag. 16 TIG Tab. 08 Pag. 16
●2006/42/CEE (Machinery) ●2006/95/CEE ( Low Voltage) ●2004/108/CEE (EMC) ●EN 60974-1 ed. 07/01 (Arc Welding Equipment) ●EN 60974-7 ed. 11/00 (Torches) ●EN 60974-10 ed. 11/03 (EMC) ●2002/95/CE 2002/96/CE (RAEE) ●2003/108/CE (RAEE) ●2002/95/CE (RoHS)
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MODELS
DIRECTIVES
INTRODUCTION
Congratulations for your choice.Our products have been designed,manufactured and tested to complywiththelatestEuropeanCommunityrequirements.Thearcweldingpowersystem,ifusedcorrectly,canbeoperatedinverysafeconditionswhileiftheprescribedsafetynormsarenotobserveditcouldcauseseriousdamagestopeopleandobjects.
TABLE OF CONTENTS
1 --- ELECTROMAGNETIC COMPATIBILITY 1.1 INTRODUCTION 1.2 ASSESSMENT OF POTENTIAL ELECTROMAGNETIC PROBLEMS 1.3 METHODS OF REDUCING EMISSIONS2 --- INSTRUCTION FOR USE 2.1 USE INSTRUCTIONS 2.2 PRELIMINARIES BEFORE USE3 --- SAFETY 3.1 INTRODUCTION 3.2 GENERAL PRECAUTIONS4 --- GENERAL DESCRIPTIONS AND PRODUCT SPECIFICATIONS 4.1 INTRODUCTION 4.2 SYSTEM DESCRIPTION 4.3 TECHNICAL SYMBOLS EXPLANATION 4.4 PROTECTION DEVICES5 --- INSTALLATION PROCEDURE 5.1 UNPACKING AND SETUP 5.2 STARTUP PROCEDURE 5.3 GENERAL NOTES 6 --- OPERATION 6.1 DESCRIPTION OF CONTROL PANEL 6.2 COATED ELECTRODE WELDING 6.3 TIG WELDING 6.4 TIG HF WELDING8 --- CUSTOMER CARE - WARRANTY8 --- SPARE PARTS
IMPORTANTTO BE READ BEFORE USING THIS DEVICE
Thefollowinginstructionsshouldbereadbyallconcernedbeforeinstallingorusingthisdevice.Incaseofanydoubtcontactyourdistributorordirectlytheproducertogetalltheinformationsthatmaybeneeded.
1 --- ELECTROMAGNETIC COMPATIBILITYFROMEN60974-10“EMCproductstandardforarcweldingequipment”
1.1 INTRODUCTIONTheuserisresponsibleforinstallingandusingtheweldingequipmentaccordingtothemanufacturersin-structions.Ifelectromagneticdisturbancesaredetectedthenitshallberesponsibilityoftheuserofthewel-dingequipmenttoresolvethesituationwiththetechnicalassistanceofthemanufacturer.Insomecasesthisremedialactionmaybeassimpleasearthingtheweldingcircuit.Inothercasesitcouldinvolveconstructing
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anelectromagneticscreenenclosingthepowersourceandtheworkcompletewithassociatedinputfilters.Inallcaseselectromagneticdisturbancesmustbereducedtothepointwheretheyarenolongertroubleso-me.Note:Theweldingcircuitmayormaynotbeearthedforsafetyreasons.Changingtheearthingarrangementsshouldonlybeauthorizedbyapersonwhoiscompetenttoasseswhetherthechangesincreasetheriskofinjury,e.g.byallowingparallelweldingcurrentreturnpathswhichmaydamagetheearthcircuitsofotherequipment.
1.2 ASSESSMENT OF POTENTIAL ELECTROMAGNETIC PROBLEMS 1.2.1 Assessment of area. Beforeinstallingweldingequipmenttheusershallmakeanassessmentofpoten-tialelectromagneticproblemsinthesurroundingarea.Thefollowingshallbetakenintoaccount:a)Othersupplycables,controlcables,signalingandtelephonecablesabove,belowandadjacenttothewel-dingequipment;b)Radioandtelevisiontransmittersandreceivers;c)Computerandothercontrolequipment;d)Safetycriticalequipment,e.g.guardingofindustrialequipment;e)Thehealthofthepeoplearound,e.g.theuseofpacemakersandhearingaids;f)Equipmentusedforcalibrationormeasurement;g)Theimmunityofotherequipmentintheenvironment.Theusershallensurethatotherequipmentbeingusedintheenvironmentiscompatible.Thismayrequireadditionalprotectionmeasures;h)Thetimeofthedaythatweldingorotheractivitiesaretobecarriedout.Thesizeofthesurroundingareatobeconsideredwilldependonthestructureofthebuildingandotheractivitiesthataretakingplace.Thesurroundingareamayextendbeyondtheboundariesofthepremises.
1.3 METHODS OF REDUCING EMISSIONS 1.3.1 Mains supply. Weldingequipmentshouldbeconnectedtothemainssupplyaccordingtothemanu-facturersrecommendations.Ifinterferenceoccurs,itmaybenecessarytotakeadditionalprecautionssuchasfilteringofthemainssupply.Considerationshouldbegiventoshieldingthesupplycableofpermanentlyinstalledweldingequipment,inmetallicconduitorequivalent.Shieldingshouldbeelectricallycontinuousthroughoutitslength.Theshieldingshouldbeconnectedtotheweldingpowersourcesothatgoodelectricalcontactismaintainedbetweentheconduitandtheweldingpowersourceenclosure.1.3.2 Maintenance of the welding equipment.Theweldingequipmentshouldberoutinelymaintainedac-cordingtothemanufacturersrecommendations.Allaccessandservicedoorsandcoversshouldbeclosedandproperlyfastenedwhentheweldingequipmentisinoperation.Theweldingequipmentshouldnotbemodifiedinanywayexceptforthosechangesandadjustmentcoveredinthemanufacturersinstructions.Inparticular,thesparkgapsofarcstrikingandstabilizingdevicesshouldbeadjustedandmaintainedaccordingtothemanufacturersrecommendations.1.3.3 Welding cables. Theweldingcablesshouldbekeptasshortaspossibleandshouldbepositionedclosetogether,runningatorclosetothefloorlevel.
2 --- INSTRUCTION FOR USE
2.1 USE INSTRUCTIONSForacorrectuseoftheapplianceitisimportanttofollowtheindicationshereunder.Donotexposetowaterdripping,toheatsources,avoidtheuseinanomaloussituations.Theinterventionsofextraordinarymaintenancearenotnecessary;inanycasetheselastmustbeexecutedbyauthorizedservicecenters.Everytamperingcausestheexpiryoftheguarantee.Duringthestorageandthetransport,thetemperaturemustbecomprisedbetween-25and+55centigradedegrees.
2.2 PRELIMINARIES BEFORE USEGeneratorsshouldonlybeusedbytrainedpersonnel.
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Generatorshavebeenplannedfortheuseinparticularlyhardenvironmentswithtemperaturesfrom-20+40degreescentigradeandwithhumidity:max50%upto+40degreescentigrademax90%upto+20degreescentigrade1)Checkthatthemainsvoltageistheoneindicatedonthedataplate.2)Nevercoverthegeneratorwithobjects(towels,clothsecc.),asthiswilljeopardisetheproperventilationandthereforeitsoperation.3)Donotputtheunitinpositionslimitingitsairflow.4)Useinenvironmentswithtemperaturesbelow40degreescentigrades.5)Donotuseinpollutedenvironments,i.e.inpresenceofdusts,acidsand/orsalts,ferrousormetaldusts.6)Checkthattheavailablepowerofthenetworkisadequatetotheonerequiredfortheproperoperationofthemachine.7)ThedegreeofprotectionfromtheexternalagentsofthesegeneratorsisIP21/23,namelytheprotectionagainsttheverticalfallofwater-dropletsandprotectionagainstforeignbodies.Therefore,itisabsolutelynecessarythat:A)Noforeingbodiespassthroughtheloopholes.B)Itisnotplacedinmuddyordampareasordippedintoliquids.Thegeneratormustneverbeusedwithoutitscovering.Besidesbeingharmfultothesameunit,itiscer-tainlydangerousfortheoperator.
3 --- SAFETY
3.1 INTRODUCTION Arcweldingprocessesasdevelopedaftermanyyearsofweldingexperiencecanbeusedwithahighdegreeofsafetyprovidedthatpropercareandattentionisgiventocommonsensepracticesandtomanufacturer’srecommendedmethods.Itisthereforeimperativethatmanagementandsafetypersonnelmakesurethatallpersonnelwhowilloperateormaintaintheweldingequipmentbegiventheopportunitytoreadthisin-formation.
3.2 GENERAL PRECAUTIONS 3.2.1 Prevention of burns sparks,slag,hotmetalandradiationsproducedbytheweldingarccanbeseriouslydamagingtotheeyesandskin.Astheoperatororanyotherpersoncomesclosetotheweldingarea,thelevelofexposureincreasesrapidly.Properprotectiveclothingandequipmentmustbewornbytheoperatorandanyotherpersonsworkinginthevicinityofthearc.Gauntletglovesdesignedforuseinwelding,safetyshoes,andahatarerequired.Flameretardantclothingwhichcoversallexposedareasandcufflesstrouserstoprevententryofsparksandslagarerecommended.PropersafetygogglesorglasseswithsideshieldsoftheappropriateweldinglensshadeMUSTbeworntoprotecttheoperator’seyesfromradiantenergyandflyingsparksorhotmetal.3.2.2 Fire preventionSinceelectricweldingarcproduceshotmetal,sparks,andslag,precautionsmustbetakentopreventfireand/orexplosions.Makesurethatappropriatefireextinguishingequipmentisavailableintheimmediateweldingarea.Allcombustiblematerialsmustberemovedfromtheimmediateweldingareatoadistanceofatleast10meters(35feets)away.Neverarcweldemptycontainerswhichhaveheldtoxicorpotentiallyexplosivematerials.Thosecontainersmustbethoroughlycleanedpriortowelding.Neverarcweldinanatmospherewhichcontainsheavyconcentrationsofdust,flammablegas,orcombustibleliquidvapors(suchasgasoline).Aftereachweldingoperationmakesuretoletweldedmaterialtocooldownbeforetouchingitorputtingitincontactwithcombustibleorflammablematerials.3.2.3 Toxic FumesProperprecautionsmustbeexercisedtopreventtheexposureoftheoperatororothersinthesurroundingareatopossibletoxicfumeswhichmaybegeneratedduringelectricarewelding.Certainch-lorinatedsolventswilldecomposeunderultravioletradiationstoformphosgenegas.Caremustbeexercisedtoavoidtheuseofthesesolventsonmaterialsbeingweldwithelectricarcweldingequipment.Containersofthesesolventsandotherdegreasingagentsmustberemovedfromtheimmediateareanearthewelding
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arc.Metalscoatedwithorcontainingsignificantamountsoflead,cadmium,zinc,mercury,andberylliumcanproduceharmfulconcentrationoftoxic fumeswhensubjecttoelectricarcweldingoperations.Adequatelocalexhaustventilationmustbeusedortheoperatormustbewearingspecialequipmenttoguaranteeasupplyoffreshairasarespiratororairsuppliedhelmet.Donotweldmetalscoatedwithmaterialswhichemittoxicfumesunless1)thecoatingisremovedpriortowelding,2)theareaisadequatelyventilated,or3)theoperatorissuppliedwithfresh-airbreathingequipment.3.2.4 Radiation Ultra-violet radiationscreatedby thearcmaybeharmful to theeyesandburn theskin;it is therefore imperative to wear protective clothing and helmet. Contact lenses should not be usedas the intense heat coming from the arc may cause them to stick to the cornea. The mask used du-ring welding should be equipped with grade DIN 10 safety lenses at least and they should immedia-telybereplacedwheneverdamagedorbroken.Sincethearcmaydamagetheeyes it isconsidereddan-gerous up to a distance of 15meters (50 feets) and it should never be locked at with the naked eye. 3.2.5 Electric shockAllelectricshocksarepotentiallyfatalandthereforelivewiresand/orpartsshouldneverbetouched.Insulationmustbekeptfromthepiecetobeweldedandfromthegroundbywearinginsulationglovesandclothing.Garmentssuchasgloves,shoes,hats,clothingsandbodymustbekeptdryatalltimesanditistobeavoidedworkinginhumidorwetareas.Nevertouchorholdthepiecetobeweldedbyhand;iftheslightestelectricshockisfelt,weldingshouldbestoppedimmediately;theunitisnottobeuseduntiltheproblemisidentifiedandsolvedbyqualifiedpersonnel.Frequentlyinspecttheprimarypowercablefordamageorcrackingofthecoverandreplaceimmediatelydamagedcable.Disconnectpowersupplycablefrommainsbeforereplacingcablesorbeforeremovingunitcovers.Alwaysreplaceanydamagedpartsoftheunit,withoriginalmaterial.Nevershortoutorinanyotherwaydefeatthesafetyinterlockdevicesandmakesurethatthepowersupplylineisequippedwithanefficientearthplug.Makesurethattheworktableisconnectedtoagoodearthground.Anymaintenanceistobecarriedoutbyqualifiedpersonnelonlythatistobeawareoftherisksduetodangerousvoltagesnecessaryfortheoperationoftheunit.3.2.6 Pacemaker Personwearingelectronic lifesupportdevices (suchaspacemaker)shouldconsultwiththeirdoctorbeforegoingneararcwelding,cutting,gougingorspotweldingoperationsinordertomakesurethatmagneticfieldsassociatedwithhighcurrentsdonotaffectedtheirdevices.
4 --- GENERAL DESCRIPTIONS AND PRODUCT SPECIFICATIONS
4.1 INTRODUCTIONTheweldingpowersuppliesdeliverconstantcurrentandaredesignedwithINVERTERtechnologyusingcom-ponentshavinghighperformanceandhighreliabilityandcanuseforstickelectrodeandTIGwelding.
4.2 SYSTEM DESCRIPTIONThepowersupplyisbuiltonasinglemainboardwiththecontrollogicsonseparateinterchangeablehybridboardswhichgivethesystemaveryhighdegreeofreliabilityandsimplifymaintenanceandservice.Thepo-wermoduleusesanINVERTERworkingatafrequencyhigherthan80kHzwithaverylowdynamicresponsetime(500millisecond)resultinginanextremelysmoothweldingcharacteristicwhichgiveseasierstarting,morehomogeneousdropletsize,betterpenetrationandsmootherbeadappearance.
4.3 TECHNICAL SYMBOLS EXPLANATION•IEC974/EN60974 Thepowersupplyismanufacturedaccordingtotheseinternationalstandards.•S/N...... Serialnumbertobestatedforanyquestionrelatingtotheunit.• Singlephasestatingfrequencyconverter-transformer-rectifier.• Droppingcharacteristic.•MMA Suitableforweldingwithcoatedelectrodes.•TIG SuitableforTIGwelding.•Uo Secondaryno-loadvoltage.•X Duty-factorpercentage:Theduty-factorexpressesthepercentageof10minutesinwhichthepowersupply canoperateatawithoutoverheating•I2 Weldingcurrent.
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•U2 SecondaryvoltagewithweldingcurrentI2. •U1 Nominalsupplyvoltage.•1̴50/60Hz Singlephasesupply50or60Hz..•I1 AbsorbedcurrentatthecorrespondingweldingcurrentI2. WhenusingthepowersupplyforTIGwelding,valueby1.6•IPxx Gradeofprotectionofmetalframe.•S Suitableforworkinginhigh-riskareas.•NOTE Thepowersupplyhasbeendesignedtooperateinareaswithgrade3pollution(IEC664).
4.4 PROTECTION DEVICES 4.4.1 Overheating and main supply anomalies protection.Thepowersupplyisprotectedbyadeviceinstal-ledinsuchawayastoactincaseofoverheatingand/ormainsupplyanomalies.Whenthisdeviceintervenes,theunitstopssupplyingcurrentbutthecoolingfankeepsworking.TheactingofthedeviceisshownbytheLEDturningon.TheturningoffoftheLEDsignalstheresumedabilityoftheunittobeinoperatingconditions.
5 --- INSTALLATION PROCEDURE
5.1 UNPACKING AND SETUPUnpacktheunitandcarefullyinspectitforshippingdamages.Anyclaimsfordamageswhichmayhaveoccur-redintransitmustbefiledbythepurchaserwiththecarrierandinordernottolooseanyrighttofilesuchaclaimnocleanreceiptshouldbesignedbutamentionshouldbemadetoreservetherighttofileaclaimfortransitdamagesthatcanbediscoveredonlyafterunpacking.Allcommunicationsregardingthisequipmentmustindicatethemodelandserialnumberlocatedonthebackofthepowersupply.Afterunpackingplacetheunitinaproperlyventilated,possiblyundustedarea,makingsurethattheairflownearthecoolingslotsinnotobstructed.WARNING:itisextremelyimportantnottorestricttheairflowaroundtheunitsincethismaycausetheunittooverheatandcouldpossiblydamageinternalparts.Keepatleast200mmofunrestrictedspaceonallsi-desoftheunit.DonotPlaceanyfilterdeviceorcoverovertheairintakeslotsofthepowersupplyasthiswillvoidthewarranty.NOTE:iftheunitiscarriedovershouldermakesurethattheairintakeslotsontheframearenotobstructed.
5.2 STARTUP PROCEDUREThisunitmustbeinstalledbyskilledpersonnel.Allconnectionsmustconformtotheexistingrulesandinfullcompliancewithsafetyregulations(CENELECHD427).
5.3 GENERAL NOTESBeforeusingthispowersupply,carefullyreadtheCENELECstandardsHD407andHD433,checkinsulationofcables,electrodeholderclamp,socketsandplugsandmakesurethatthelengthandsectionofweldingcablesarecompatiblewithcurrentused:Upto5mt.cablesection16mm2min.From5mt.to20mt.cablesection25mm2min.From20mt.to30mt.cablesection35mm2min.
6 --- OPERATION
6.1 DESCRIPTION OF CONTROL PANEL Onthefrontpanelonefinds: 1.Currentadjustmentknob 2.Electrodeandearthclampcableconnectors 3.WeldingcurrentLEDindicator(okifon) 4.ACpowerinputfault (voltageoutsidethe+-10%of220Vrange)oroverheatingconditionLEDindicator(OKifoff).
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6.2 COATED ELECTRODE WELDINGThispowersupplyissuitableforweldingwithalltypesofelectrodes.Forthecelluloseones(AWS6010),onlyspecificpowersupplycanbeused,seethetechnicaltables.Use electrode holder clamps in compliancewith the safety standards andwithout projecting tighteningscrews.Makesurethatthemainswitchonthebackison0positionorthatmainsupplyplugisnotinsertedinmainoutletthenconnectweldingcablesinaccordancewithpolarityindicationsgivenbytheelectrodemanufac-turer.Theweldingcircuitshouldnotbedeliberatelyplacedindirectorindirectcontactwithprotectionwireifnotonpiecetobewelded.Ifearthingisdeliberatelymadeontheworkpiecebymeansofprotectionwire,theconnectionmustbeasdirectaspossible,withthewirehavingasectionatleastequaltotheweldingcurrentreturnwireandconnectedtothepiecebeingworkedon,inthesameplaceasthereturnwire,usingthere-turnwireterminalorasecondearthterminalclosely.Allpossibleprecautionsmustbetakeninordertoavoidstraycurrents.Checkthattheinputsupplyvoltagematchesthevoltageindicatedonthepowersupplytechnicalspecificationtag.Connectmain supply cable:whenmountingaplugmake sure that its capacity is adequateand that theyellow-greenwireofthemainscableisconnectedtotheearthplugpin.ThecapacityofthemagnetothermicswitchorthefusesinthemainssupplylineshouldbehigherthanorequaltocurrentI1absorbedbytheunit.TheabsorbedcurrentI1isdeterminedbyreadingthetechnicalspecificationsontheunitascorrespondingtothemainsupplyvoltageU1.AnyextensioncordshouldhaveasectionadequatefortheabsorbedcurrentI1.Turnonthepowersupplywiththemainswitchonthebackoftheunit.WARNING: ELECTRIC SHOCK CAN KILL.Donottouchliveelectricparts.Donottouchweldoutputterminalswhenunitisenergized.Donottouchtorchorelectrodeandearthclampatthesametime.Setcurrentaccordingtotheelectrodediameter,weldingpositionandtypeofjointtobewelded.Whenfinishedweldingalwaysremembertoturnthemainswitchoffandtoremoveelectrodefromelectrodeholder.
6.3 TIG WELDING (for all models)ThispowersupplyissuitableforTIGweldingstainlesssteel,ironandcopper.Connectearthcablewiretopositive(+)poleofweldingunitandconnectterminalclamptoworkingpieceascloseaspossibletopowersupply,makingsurethereisagoodelectricalcontact.UseproperTIGtorchandconnectpowerwiretonegativepoleofweldingunit.Theweldingcircuitshouldnotbedeliberatelyindirectorindirectcontactwithprotectionwireifnotonpiecetobewelded.Ifearthingisdeliberatelymadeontheworkpiecebymeansofprotectionwire,theconnectionmustbeasdirectaspossible,withthewirehavingasectionatleastequaltothatoftheweldingcurrentreturnwireandconnectedtothepiecebeingworkedon,inthesameplaceasthereturnwire,usingthereturnwireterminalorasecondearthterminalclosely.Allpossibleprecautionsmustbetakeninordertoavoidstraycurrent.ConnectgaspipetopressurereduceroutputconnectedtoanARGONcylinderandregulategasflowadju-stingtheregulationknobonthetorchhandle.Insidethetorchhandleavalveallowsthegasflowtobeshut.Usea2%thoriatedtungstenelectrodehavingadiameterchosenaccordingthenegativeelectrodedirectcurrent(Argon)valueasfollows: upto60A Ø1mm from60Ato180A Ø1.6mm from180Ato250A Ø2,4mmTheelectrodetipshouldbepreparedforweldingaccordingtoprocedureindicatedhereafter(Fig.01Pag.54).Checkthemainsupplyvoltagetomatchthevoltageonthepowersupplytechnicalspecificationtag.Connectmain supply cable:whenmountingaplugmake sure that its capacity is adequateand that theyellow-greenwireofthemainscableisconnectedtotheearthplugpin.Thecapacityofthemagnetothermicswitchorthefusesinthemainssupplylineshouldbehigherthanor
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equaltocurrentI1absorbedbytheunit.TheabsorbedcurrentI1isdeterminedbydividingby1.6thevaluestatedonthetable.AnyextensioncordshouldhaveasectionadequatefortheabsorbedcurrentI1.Setweldingcurrentbasedontheweldtobeperformedthenadjustthegasflowwithknobontorchhandle.Startthearc,bycontact,withaquickscratchonthesurfacetobewelded.CAUTION do not use commercial ignition devices.TheTIGtorchisdesignedinsuchawaythatusingthevalveonthetorchbodythegasflowcancontinueaftertheweldisperformedtoprotecttheelectrodewhileitisstillhot.Aftertheproperamountoftime/fewseconds)thegasflowcanbestoppedbyshuttingthevalveonthetorchhandle.Onceweldingisfinishedtheunitistobeturnedoffandthegascylindervalveistobeclosed.
6.4 TIG HF (for HF models only)Onthefrontofthecontrolpanelthefollowingcanbefound1.Weldingcurrentregulationpotentiometer2.Holder/torchandearthsockets3.Currentmanualsetting/remotecontrolleverswitch4.TIG/MMAweldingleverswitch5.DigitalA-metertoreadthecurrentdrawuponarcignition6.Currentrisetimeregulationknob7.Currentfalltimeregulationknob8.CurrentPost-gastimeregulationknob9.Socketforremotecontrolconnection10.2time/4timeoperationmodeleverswitch11.Gasoutlet12.Torchpush-buttonconnector
FiveLEDwarninglightsontheleftsideofthefrontpanelsignalthefollowing,respectively: A.Generatorundervoltage(GREENLED) B.Linesurgeoroverheating(YELLOWLED) C.Highfrequencyigniteron(REDLED) D.Argongassupply(GREENLED) E.Inverteron(YELLOWLED)
ThisweldingmachineissuitableforTIGweldingofinoxsteel,ironandcopper.Connecttheearthcablecon-nectortothepositiveterminaloftheweldingmachineandtheclampascloseaspossibletotheweldingspot,makingsuregoodelectricalcontactismade.UsethespecialTIGtorch(forHF).Theweldingcircuitmustnotbeputintodirectorindirectcontactwiththesafetyconductorexceptontheworkpiece.Iftheworkpieceisdeliberatelyearthedthroughthesafetyconductorhavingasectionequaltoorgreaterthanthatoftheweldingcurrentreturnconductorconnectedtotheworkpieceatthesamepointasthereturnconductorwiththereturnconductorclamporanotherearthclampnexttoit.Taketheutmostcaretoavoidweldingstraycurrents.Connectthegasinletontherearpanelofthegeneratortotheoutputofthepressureredu-cerconnectedtoanargoncylinder.Adjustthegaspressurebymeansoftheflowmeter.Usea2%thoriatedtungstenelectrodechosenaccordingtothefollowingtable: upto60A Ø1.0mm from60Ato180A Ø1.6mm from180Ato250A Ø2,4mmThepreparationoftheelectrodetipshouldbedoneasexplainedinschemassection(Fig.01Pag.54).Checkthatthesupplyvoltageistheoneindicatedonthetechnicalspecificationplateoftheweldingmachine.Con-nectthepowercable.Switchontheweldingmachinebyclosingthepowerswitchontherearpanel;adjustthecurrentaccordingtothejobtobecarriedout,setswitch2/4Tto4Tmode,setthecurrentriseandfalltimesaspreferredandthepost-gastime;thenbringtheelectrodewithin3mmapproximatelyfromtheworkpieceandletoutapulseuponpressingthetorchpush-button(pressandreleaseit).Thefollowingwilloccur:
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1.GasisletoutandtherelevantLEDlightsup.(LEDD)2.Thehighfrequencycircuitstars(withinasecondorsoandignitesanarc)(LEDC)3.Currentrisesuntilitreachesthevalueset,astheA-meterwillshow.Atthisstage,thegeneratorwillkeepthearcgoinguntilanotherpulseisapplieduponpressingthetorchpush-button.Thefollowingwillthenoccur:4.Currentstartsfalling.5.Thearcnearlyextinguishesitself.6.Thepost-gasphasestarts.Itarelativelylongcurrentfalltimewasset,andonedoesnotwishtowaitforautomaticextinctionofthearc,anotherpulsemaybeappliedtostopweldingatanymoment.However,ifthe2Tmodeselected,thetorchpush-buttonmustbekeptdepressedduringarcignition,currentriseandwelding,andthenreleasedtoallowcurrentfallandarcextinction.Thisgeneratorusesaninverteroftheseventhgeneration(thelatestavailable,astherearenoothersingle-cardtechnologyinvertersofthesamepowerat90kHz)andthereforeincorporatesthefollowingexclusivecapabilitiesanddevices.TIG PROCESS-Verylow-noise,fullyelectronic,solid-statehighfrequencyigniter(nosparkpointsasfoundinolderigniters).-Safetydevicewhichswitchesofftheigniterandresetsthecycleifanarcisnotignitedwithinaboutfifteenseconds.Afterwelding,donotforgettoswitchofftheweldingmachineoffandshutthegascylindervalve.Electrode preparation.Itisnecessarytousespecialattentionwhenpreparingtheelectrodetipgrindingitsoastoobtainverticalmakingsasshowninfigure(seeinschemassection):CAUTION: HOT FLYING METAL PARTICLES caninjurepersonnel,startfiresanddamagesequipment.TUNGSTEN CONTAMINATIONcanlowerweldquality.Shapetungstenelectrodetiponlyongrinderwithproperguardsinasafelocationwearingproperface,handandbodyprotection.Shapetungstenelectrodetiponafinegrit,hardabrasivewheelusedonlyfortungstenshaping.Grindtheendofthetungstenelectrodetoataperforalengthof1.5to2electrodediameters.
STAND BY-Specialsavingcircuitthat,ifthegeneratorisnotusedwithin30sfromignition,disablesallfunctionandreducespowerconsumptiontoonly25W(nogreaterthanalightbulb’s),thuseliminatinganyundueinter-nalheating,increasinggeneratorlifeand,moreimportant,saving1kWheveryfourhoursofoperation.Ofcourse,assoonasthegeneratorstartsaweldingphasethedeviceautomaticallyre-enablesallthegeneratorfunctionspreventinganyinconvenience.
8 ---- CUSTOMER CARE - WARRANTY
Fixing and Warranty Answeringtheassistanceandwarrantyneedsispartofourwork,andsincewetakegreatcaretocreateprofessionalproductscapableofsatisfyingthemostdemandingrequests,webringourselvesintoplaywithparticipationandagreatsenseofresponsibility,inordertosolvethesmallestsnagsthatmightoccur.Wedothiswillinglyandpassionately,whilerespectingpreciserulesthatarenecessarytosafeguardtherightsofalltheconcernedparts:
What we recognize•Wecommitourselvestorecognizeanymanufacturingdefectfortwoyears,startingfromthepurchasemoment.Thedatewrittenonthedocumentbearswitnesstothepurchase(receiptorinvoice)andmustexplicitlyindicatethepurcha-sedproductdescription.•Immediateandfreereplacementincludingallshippingcosts(thereandback–withintheEuropeanboundaries)ifthefaultisdetectedwithin15daysfromthepurchasedate.•Thewarrantyincludesthefreefaultyproductsreplacement.•Thewarrantyincludesthelabournecessaryforthefaultyproductsreplacement.•Thewarrantyalwaysincludesthetransportcostsforthewelderreturn.
What we do not recognize
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•Wedonotrecognizeforanyreasonthewarrantyonitemswithoutadocumentprovingthepurchase(receiptorin-voice)orwhosepurchasedocumentpresentsgenericvaluesordescriptionsthatcannotbedirectlytracedbacktoourproducts.•Thewarrantydoesnotincludethecoststodispatchtheweldertothetechnicalsupportcentrefromthe16thdayafterthepurchase.•Thewarrantydoesnotincludethefixingcostsifthewelderhasbeenopenedortamperedwithbyotherpeople.•Thewarrantydoesnotincludethefixingcostsiftheweldershowsclearimpactevidences.•Thewarrantydoesnotincludethefixingcostsifthewelderhasclearsignsofwrongfeeding.SpecialcasessubjecttoinspectionThewarrantyisrecognizedsubjecttoconfirmationandafterspecificevaluationsonacase-by-casebasisifthepurchasedateindicatedonthereceiptis4dayshigherthanthemachineproductiondate.ThelatteriseasilyfoundfromthefirsttwofigurescomposingtheserialnumberSN,whichisprintedonthedataplateofeachmachine.
And what if the machine is out of warranty?WhenamachineisreceivedbytheassistancecentreEPS,itisanalysedinordertoevaluateanaveragemaximumcost,thatisthennotifiedtothecustomer.Thisisacompletelyfreeestimateincasethefixingisthenauthorised.Whereasshouldthenotifiedcostnotmeetthecustomer’sinterest,theanalysiscarriedoutonthemachinewillbepaid(25.00€+VAT).Thereturnforitemsoutofwarrantyuponfixingpayment(orpaymentoftheanalysisonlyifthemachineisnotfixed)alwaysimpliesthatthetransportcostsareatconsignee’sexpense.
Do you think it impossible to manage the assistance from Italy?NowadaysthetransporttimesandcostswithintheEuropeanCommunityaresimilartothoseofyourcountries,sothatshippingamachinefromyourcountrytoItalycostsafewEurosbythemostknowncarriers,andevenlessbypostalser-vices.Theserviceisfast,efficientandwiththeconfidencethatyouwillgetaperfectfixing,theonethatcanbeprovidedonlybythemanufacturer. Every product that has been fixed at our assistance centre undergoes a test bench with on-load and off-load simu-lations, in order to verify its conformity to the safety regulations; then all the current and working values setting are restored and an actual final welding test is performed, together with the verification of all the working parameters.
WARNING!Alltechnicalinterventions,aswellasthepossiblewarrantycasesinvolvingEPSproducts,aremanageddi-rectlybythemanufacturer.Therearenorecognizedassistancecentresandthereisnoexternalcompanyofficiallybeinglicensedtoperformfixingsorreplacements,forwhichthemanufacturerdoesnotrespond!
EPS products assistance centre:VIVA ELETTRONICA! S.R.L.ViadelleIndustrie218/A17012AlbissolaMarina(SV)[email protected]
8 ---- SPARE PARTS
ALL EPS ORIGINAL PARTS ARE AVAILABLEFOR CONSULTATION AND PURCHASE ON-LINE IN THE WEB SITE
WWW.EPS-INVERTER.COMForthereplacementofbothmechanicalandelectroniccomponentswealwaysrecommendtheuseoforiginalparts,availableandatdisposalforpurchaseon-lineatanytimedirectlyfromthewebsitewww.eps-inverter.com,whereincor-respondenceofeachmodelitcanbefoundtherelevantsectionwithdedicatedspareparts,inclusivecodesandpictures,constantlyupdatedandcontainingalltechnicalmodificationsmadeovertheyears.
12
13
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D4
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D3
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R22
R24
R23
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M D
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1
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EW 2980 EW 2900
EW 2804 EW 4001
EW 5220 - 5002
14
Tab. 01 Duty cycle 15%Main voltage 230 VAC 230 VAC 230 VACFrequency 50/60 Hz 50/60 Hz 50/60 HzCos φ 0.99 0.99 0.99E�ciency 0.85 0.85 0.85Current range 8 - 100 A 8 – 130 A 8 – 160 AO� load voltage 60 V 60 V 60 VOutput current 35% 65 A 85 A 115 AOutput current 15% 100 A 130 A 160 AAbsorbed power 35% 1,9 KVA 2.6 KVA 3.7 KVAAbsorbed power 15% 3,2 KVA 4,3 KVA 5,5 KVAMain current 35% 8,3 A 11,3 A 16 AMain current 15% 13,6 A 18,6 A 24 A
Tab. 02Duty cycle 20% 80 A 100 A 130 AMain voltage 230 /115 VAC 230/115 VAC 230 VACFrequency 50/60 Hz 50/60 Hz 50/60 HzCos φ 0.99 0.99 0.99E�ciency 0.85 0.85 0.85Current range 5-80 A 5 – 100 A 5 – 130 AO� load voltage 80 V 80 V 80 VOutput current 35% 65 A 85 A 115 AOutput current 20% 80 A 100 A 130 AAbsorbed power 35% 1.8 KVA 2.3 KVA 3.3 KVAAbsorbed power 20% 2.1 KVA 2.8 KVA 3.8 KVAMain current 35% 8.3/17 A 11.3/22.6 A 16.1 AMain current 20% 10.5/21 A 13.6/27.2 A 18.6 A
Tab. 03Duty cycle 25% 110 A 130 AMain voltage 230 VAC 230 VACFrequency 50/60 Hz 50/60 HzCos φ 0.99 0.99E�ciency 0.85 0.85Current range 5 – 110 A 5 – 130 AO� load voltage 80 V 80 VOutput current 35% 90 A 115 AOutput current 20% 110 A 130 AAbsorbed power 35% 2.3 KVA 3.3 KVAAbsorbed power 20% 2.8 KVA 3.8 KVAMain current 35% 11.3 A 16.1 A Main current 25% 13.6 A 18.6 A
Tab. 04Duty cycle 35%Main voltage 230 VAC 230 VACFrequency 50÷60 Hz 50÷60 HzCos φ 0.99 0.99E�ciency 0.85 0.85Current range 5 – 130 A 5 – 140 AO� load voltage 80 V 80 VOutput current 60% 85 A 120 A Output current 35% 130 A 150 AAbsorbed power 60% 2,6 KVA 3.9 KVAAbsorbed power 35% 4,3 KVA 5,1 KVA Main current 60% 11,3 A 16,9 A Main current 35% 18,6 A 22,2 A
15
Tab. 06/ADuty cycle 60%Main voltage 230 VAC 230VAC 230 VAC 230 VAC 230 VAC 230 VACFrequency 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 HzCos φ 0.99 0.99 0.99 0.99 0.99 0.99 E�ciency 0.85 0.85 0.85 0.85 0.85 0,85Current range 5 – 160 A 5 – 160 A 1 – 140 A 1 – 160 A 1 – 180 A 1 – 200 AO� load voltage 80 V 90 V 60 V 60 V 60 V 60 VOutput current 100% 120 A 120 A 110 A 130 A 140 A 160 AOutput current 60% 160 A 140 A 140 A 160 A 180 A 200 AAbsorbed power 100% 3.9 KVA 4,3 KVA 3.5 KVA 4.2 KVA 4.9 KVA 5.5 KVAAbsorbed power 60% 5,5 KVA 4,7 KVA 4.7 KVA 5.5 KVA 6.2 KVA 7.3 KVAMain current 100% 16,9 A 18,6 A 17 A 20 A 25 A 24 AMain current 60% 24 A 20,4 A 22.7 A 26 A 28 A 31 A
Tab. 06/BDuty cycle 60% - 3 PhMain voltage 400 VAC 400 VAC 400 VACFrequency 50/60 Hz 50/60 Hz 50/60 HzCos φ 0.99 0.99 0.99E�ciency 0.85 0.85 0.85Current range 5 – 220 A 5 – 270 A 5 – 330 AO� load voltage 60 V 60 V 60 VOutput current 100% 190 A 220 A 220 AOutput current 60% 220 A 270 A 330 AAbsorbed power 100% 6,8 KVA 8,3 KVA 8,3 KVAAbsorbed power 60% 8,3 KVA 10,9 KVA 14,3 KVAMain current 100% 9,9 A 12 A 12 AMain current 60% 12 A 15,7 A 20,7 A
Tab. 05Duty cycle 40%Main voltage 230 VAC 230 VAC 230 VAC 230 VACFrequency 50/60 Hz 50/60 Hz 50/60 Hz 50/60 HzCos φ 0.99 0.99 0.99 0.99E�ciency 0.85 0.85 0.85 0.85Current range 5 – 130 A 5 – 150 A 5 – 160 A 5 – 180 AO� load voltage 80 V 80 V 80 V 80 VOutput current 60% 85 A 120 A 140 A 150 AOutput current 35% 130 A 150 A 160 A 180 AAbsorbed power 60% 2,6 KVA 3.9 KVA 4,6 KVA 5.1 KVAAbsorbed power 40% 4.3 KVA 5,1 KVA 5.5 KVA 6.4 KVAMain current 60% 11,3 A 16,9 A 20,3 A 22,2Main current 40% 18,6 A 22,2 A 24 A 27,8 A
16
Fig. 01
Tab. 07 Duty cycle 70% Main voltage 230 VAC 230 VAC 230 VACFrequency 50/60 Hz 50/60 Hz 50/60 HzCos φ 0.99 0.99 0.99E�ciency 0.85 0.85 0.85Current range 5 – 160 A 5 – 180 A 5 – 200 AO� load voltage 60 V 60 V 60 VOutput current 100% 140 A 150 A 170 AOutput current 70% 160 A 180 A 200 AAbsorbed power 100% 4,7 KVA 5,1 KVA 6 KVAAbsorbed power 70% 5.5 KVA 6,4 KVA 7,3 KVAMain current 100% 20,3 A 22,2 A 25,9 AMain current 70% 24 A 27,8 A 31,8 A
Tab. 08TIG mma tig mma tig mma tigDuty Cycle 60% -160 A 40% - 200 A 40% - 250 AMain voltage 230 VAC 230 VAC 400 VACFrequency 50/60 Hz 50/60 Hz 50/60 HzCos φ 0.99 0.99 0.99E�ciency 0.85 0.85 0.85Current range 5 – 160 A 5 – 200 A 5 - 250 AO� load voltage 80 V 60 V 80 VOutput current 40% - 200 A 250 AOutput current 60% 160 A 160 A 210 AOutput current 100% 130 A 140 A 180 AAbsorbed power 40% - - 7,3 KVA 4,7 KVA 9,8 KVA 6,5 KVAAbsorbed power 60% 5.5 KVA 3,4 KVA 5,5 KVA 3,4 KVA 7,8 KVA 5,1 KVAAbsorbed power 100% 4,3 KVA 2,6 KVA 4,7 KVA 2,9 KVA 6,4 KVA 4,1 KVAMain current 40% - - 31,9 A 20,5 A 14,2 A 9,5 AMain current 60% 24 A 14,9 A 24 A 14,9 A 11,3 A 7,3 AMain current 100% 16,9 A 11,3 A 10,4 A 12,5 A 9,3 A 5,9 A
17
2009/95/CEE REQUISITI APPARECCHI BASSA TENSIONE2004/108/CEE COMPATIBILITA’ ELETTROMAGNETICA
2006/42/CEE REQUISITI ESSENZIALI DI SICUREZZAVeri�che e prove eseguite conformemente alle norme:
EN 60974-1 ed. 07/01EN 60974-7 ed. 11/00
EN 60974-10 ed. 11/03
Viva Elettronica!Albissola Marina, 04/02/2014 Viva Elettronica!
Amministratore Unico
Si dichiara che l’apparecchio tipo / We hereby state than the machine type / On déclare que la machine type / Die Maschine von Typ /
se declara que el aparato tipo / Declara se que a màquina tipo
E’ conforme alle direttive / Is in compliance with the directives / entspricht den Richtlinien / est conforme aux directives / es conforme a las directivas / é conforme as directivas
DICHIARAZIONE DI CONFORMITA’DECLARATION OF CONFORMITY
DECLARACION DE CONFORMIDADKONFORMITATSERKLARUNG
DECLARATION DE CONFORMITE’
Viva Elettronica! s.r.l.Via delle Industrie 218/a, 17012 Albissola Marina (SV)Tel. 019 7701389 - www.eps-inverter.com - [email protected]
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