MiTEC super200 User manual

Brand
MiTEC
Model
super200
Category
Welding System
Type
User manual

This manual is also suitable for

MiTEC super200P is a powerful and versatile welding machine that is perfect for a variety of welding applications. It is a constant current welder, meaning that the welding current is stable and does not change with the arc. This makes it ideal for welding thin materials, as it will not burn through the metal. The super200P also has a built-in pulse function, which can be used to improve the quality of the weld. Pulse welding is a technique that uses a series of short, high-intensity pulses to create a stronger and more durable weld. The super200P also has a number of other features that make it a great choice for welders of all skill levels. These features include:

MiTEC super200P is a powerful and versatile welding machine that is perfect for a variety of welding applications. It is a constant current welder, meaning that the welding current is stable and does not change with the arc. This makes it ideal for welding thin materials, as it will not burn through the metal. The super200P also has a built-in pulse function, which can be used to improve the quality of the weld. Pulse welding is a technique that uses a series of short, high-intensity pulses to create a stronger and more durable weld. The super200P also has a number of other features that make it a great choice for welders of all skill levels. These features include:

SUPERSeries·User’sManual
PLEASEREADFIRST
ThankyouforpurchasingMitechequipment!
Foryoursafety,pleasereadthisuser'smanualbeforeinstallationand
operation.
Thanksforyoursupport!
MITECWELDINGEQUIPMENT(SHENZHEN)CO.,LTD.
ADD:MitechIndustryZone,LianrunRoad,DalangStreet,Bao’anDistrict,
Shenzhen,Guangdong,China
TEL:8675529822505/29822506
FAX:8675528095918
EMAIL:mitech@mitechwelding.com
WEBSITE:www.mitech.cc
SUPERSeries·User’sManual
-16-
REPAIRANDMAINTENANCE

Repairandmaintenanceshouldbedonebyprofessionalpersonandpleasemake
surethepowersupplyiscutoffbeforeanyoperation.Whenyoumeetanyinsoluble
problempleasecontactus.
Repairandmaintenance
1.Checkinternalandexternalcircuitofweldingmachineregularlyandmakesurethe
connectioniscorrectandtight.
2.Avoidwaterorsteaminfiltrateintotheinternalmachine.Ifitoccurspleasedrythe
machinethencheckbeforewelding.
3.Ifthewelderwillnotbeusedforalongtime,pleasepackitandstoreinthedryair.
Commonfaultandeliminationmethod
Fault Eliminationmethod
Switchonbutnoresponse
1.Checkifthepowersupplyvoltageiswrong
2.Checkifthepowerswitchhasabreakdown
3.Checkiftheassistantpowercircuitisworking
4.Checkifthereisanyloosewire
SoundsofHFarc-striking;
Nooutputcurrent
1.Checkifthetorchandearthclampcableareinopen
circuit
2.Checkiftheearthclampconnectstowork-piece
Outputcurrentunadjustable
1.Checkiftheadjustmentpotentiometerisworking
2.Checkifthecontrolmoduleisworking
3.Checkifthecurrentcanbeadjustedbyfootpedal
Manualadjustingnormal,but
withfootpedalabnormal
1.Checkifthemicroswitchinsidethefootpedalis
working
2.Checkifthelinearslidingpotentiometerinsidethe
footpedalisworking
OCledon
1.Checkiftheprotectivecircuitisworking
2.Checkifthetopboardcircuitisworking
Unabletobreaktheoxidation
film
1.CheckiftheAC/DCselectionswitchestoAC
2.Increasethepulsewidthorcleantheoxidationfilm
onthework-piece
Noenoughpowerforwelding
orcutting;
Arc-strikingeasytopause
1.Checkifthevoltageistoolow
2.Checkiftheairpressureistoohighortoolow
3.Checkifthetipandelectrodearenotwellcooperated
4.Checkiftherodisgoodornotandifit’sdryenough
SUPERSeries·User’sManual
-1-
INTRODUCTION
ThemachineissuppliedwithAC220Vinput.It’susingadvancedinverter
technologytotransfer50/60HZpowerfrequencyelectrictoabove100KHZhigh
frequencyelectricthroughtheinvertercombinedwithpowerfulcomponentssuchas
MOSFETandsoon.Thenaftervoltagereducing-rectifying-wavefilteringitalsoadopts
pulse-widthmodulation(PWM)andclosed-loopbackcircuitcontroltechnologyto
outputstableDCcurrent.Thusthisunithasthefollowingcharacteristics:highefficiency,
lowenergyconsumption,compact,gooddynamiccharacteristics,stablearc,
continuousadjustablecurrentandsoon.Alsoit’swithprotectionfunctionfor
overvoltage,overcurrentandoverheattoensurethesafetyanddurabilityofthewelder.
Thewelderisofconstantcurrentcharacteristics,andweldingcurrentis
stableanddoesn'tchangewiththearc.Andincuttingprocess,thetemperature
canreach10000-15000
afterthearciscompressedbyhigh-speedflowingair,then
themachineentersintohighionizationstateandgetspowerfulplasmaarc.
Theunitiswithfootpedalconncetorwhichisforremotecurrentcontrol
andmoreconvenientforoperation.Andit'swidelyusedinaluminum,carbon
steel,stainlesssteel,cooperandtitaniumwelding,etc.
Welcometopurchasingourproductandgivingusmorevaluableadvice.Andwe
willbecommittedtoperfectproductsandservicestocreatethetopbrandamongthe
weldingindustry.
1.
Creepage-protectingswitchshouldbeusedwhenyouoperatethemachine!
2.
Withinindoorenvironmentthemachinemayproduceradiowave,sotheuser
shouldmakefullofpreventivemeasures.
3.
Pleasemakesurethepowersupplyiscutoffbeforeanyconnectingoperation.
4.
Ifdistancebetweenwork-pieceandmachineistoofar( 50m),andwelding
cablesaretoolong,pleaseselectthecablewithbiggersectiontoreducethe
voltagedropping.
SUPERSeries·User’sManual
-14-
SOLUTIONTOFAULT
Belowphenomenonisrelatedtofittings,weldingmaterials,environmentfactor,
supplypowers,pleasetrytoimprovetheweldingenvironment.
1.Currentisunstableduringweldingprocessanditmaybecaused
bythefollowings
1.1Electricnetworkvoltagechanges.
1.2Harmfulinterferencesfromelectricnetworkorotherequipments.
1.3Undersizeofexternalinputcable.
2.Outputcurrentnotuptoratedvalue
Currentwillnotmatchthesettingvaluewhenpowervoltagedepartsfromtherated
value.Whilevoltageislowerthantheratedvalue,themaxoutputmaybelowerthan
theratedvalue.
3.Arc-strikingdifficultandeasilypausesunderMMAorTIG
3.1Makesuretherodortungstenisofgoodqualityotherwiseitisdifficulttomeetthe
requestofthehighqualitywelding.
3.2Itwillbehardtostrikearciftherodisnotdryenoughorthetungstenisnot
sharpened.Itwillalsocauseunstablearcandtheweldingqualitywillbe
influencedbyincreaseddefect.
4.ToomuchspatterunderMMAwelding
4.1Highcurrentwithrodofsmalldiameter.
4.2Theoutputterminalpolarityisreversed.Fornormaluseyoucanadoptpositive
connectionwhichmeanstheholderconnectsto“-”polarityandwork-piecetothe
“+”polarity,sopleaseexchange.
5.Unsmoothcuttingappearanceandunsatisfactorycuttingeffect
5.1 Make sure the compressed air source is stable and with enough pressure.
Normallytheairpressureshouldbenotlessthan0.3Mpa(around3Kgf/cm²),and
therangeoffluctuationshouldbeunder±0.05Mpa.
5.2Theelectrodeandtipdiameterdonotmatchthecuttingcurrentverywell.
Tipstandard
Currentrange 10 30A 30 40A 60 100A
Tipdiameter 1.0mm 1.2mm 1.3mm
SUPERSeries·User’sManual
-3-
MAINPARAMETER
Model
Parameter
Inputpowervoltage(V)
Inputvoltagefrequency(HZ)
Ratedinputcurrent(A)
Ratedinputpowercapacity(KVA)
Outputcurrentrange(A)
No-loadvoltage(V)
Ratedoutputvoltage(V)
Pre-flowtime(S)
Clearwidth(%)
Down-slopetime(S)
Pulsewidth(%)
Pulsecurrentrange(A)
Pulsefrequencyrange(HZ)
Post-gastime(S)
Arc-striking HF HF
Efficiency(%)
Dutycycle(%)
Powerfactor
Insulationclass
Protectionclass
Weight(KG)
Dimension(mm)
SUPERSeries·User’sManual
-12-
INSTALLMENT&OPERATION
Theratedcurrentandthediameteroftheoutputcable
(max.temperatureofconductor60
)
Ratedcurrentofthemax.dutycycle(A)
Ratedsectionof
copperconductor
(mm
2
)
100% 85% 60% 30% 20%
16 105 115 135 190 235
25 135 145 175 245 300
35 170 185 220 310 380
50 220 240 285 400 490
70 270 195 350 495 600
95 330 360 425 600 740
120 380 410 490 690 850
185 500 540 650 910 1120
Thesectionandthelengthoftheweldingcable
Section(mm
2)
Rated
current(L/A)
L=20m
L=30m
L=40m
L=50m
L=60m
L=70m
L=80m
L=90m
L=100m
100 25 25 25 25 25 25 25 28 35
150 35 35 35 35 50 50 60 70 70
200 35 35 35 50 60 70 70 70 70
300 35 50 60 60 70 70 70 85 85
400 35 50 60 70 85 85 85 95 95
500 50 60 70 85 95 95 95 120
120
600 60 70 85 85 95 95 95 120
120
SUPERSeries·User’sManual
-5-
PANELDESCRIPTION
UsageDescription
1.Clickthepowerswitchto“ON”positionforstartingthemachine.
2.TheOCledwillbeonifthereisanyfailure.
3.InputpowervoltageisAC220V.
4.Thereisagroundscrewintheleftcorneroftherearpanelwithsymbol.The
groundcableneedstobeconnectedwiththegroundscrewbeforeusing.
5.Pleasemakesurethepowersupplyiscutoffbeforeanyconnectingoperationand
turnontheswitchafterconfirmingit’swellinstalled.
Adjustmentknob:
1.Pre-flowtime:thetimeofargonflowingoutbeforeweldingcurrent
2.Current:toadjusttheweldingcurrentaccordingtotheweldingrequirement.
3.Clearwidth:weldingcurrentdirectionchangealternately.Pleasenotethatwhenthe
currentisabove200A,you’dbetterselectthecleanwidthbelow30%.
Andthecleanwidthabove50%shouldbeselectedifthecurrentis
below100A.
4.Down-slopetime:togetniceweldingspotduringarc-extinction,thecurrentshouldbe
turnedoffgraduallyuntilitstops.
5.Post-gastime:tokeeptheargongasflowingforsometimeafterarc-extinctionin
ordertoavoidtheweldingspotgettingoxidized.
6.Pulsefrequency:toadjustthepulsefrequencywithPULSEfunctionon.
7.Pulsewidth:toadjustthepulsewidthwithPULSEfunctionon.
8.Peakcurrent:toworkwithcurrentadjustmentwithPULSEfunctionon.
SUPERSeries·User’sManual
-10-
INSTALLMENT&OPERATION
ForCUT
1.ConnectthecompressedairsourcewithINterminalofgasregulatorbygashose,
and the OUT terminal with copper connection on rear panel of the machine,then
fastentheconnectorwithhoseclamptopreventfromgasleaking,atthesametime
please make sure enough dry flowing gas with suitable pressure is supplied. The
installationofgasregulatorisasbelow:
1.1FastentheairtipwithtapetoINandOUTterminalofthegasregulator.
1.2Fastentheheadofthegasregulatorwithtape.
1.3Fixtheconnectingframetothegasregulatorinstallationsiteontherearpanel
with screw, unscrew the rubber nut and fix the regulator to the frame. The
regulatoralsocanbefixedonotherlinkspan,butverticalinstallationshouldbe
done.
1.4Openthegasvalveandadjusttoadequateairpressureandflow.
Remark:“+”meansupairpressureand“-”meansdownairpressure.
1.5Whentoomuchwatergatheredinthefiltercylinder,drainoffthewater.
2.Correctlyconnectthetorchandearthclampaccordingtothesketch.
2.1 The connector of gas-electricity integration to the front panel and fasten it
clockwise.
2.2 Thepinconnectortothefrontpanel
andfastenitclockwise.
2.3 Thecableconnectoroftheearthclamptothepositiveterminal“+”.
3.Switchto“CUT”andClickthepowerswitchto"ON"positionthenthecoolingfanwill
starttoworkimmediately.
4.Openthegasregulatorvalveandadjusttoadequateairpressureandflow.
Attention:Pleasemakesuretheairpressureandthecurrentareadjustedtothebest
extentinordertoachievethebestcutting.Toohighgasflowwillstrengthen
thecoolinganditwillmakeunstablearcevennoarc.Howevertoolowgas
flowwillmaketipandelectrodeoverheatandeasilyburn.
5.Clickonthetorchswitchandsolenoidvalvestarts,alsoHFarc-strikingcanbeheard,
meanwhilegasflowsoutthroughtip.
SUPERSeries·User’sManual
-7-
INSTALLMENT&OPERATION
ForMMA
Correctlyconnecttheelectrodeholderandearthclampaccordingtothesketch.
1. Put the cable connector of the electrode holder to the negative terminal “-“and
fastenitclockwise.
2. Pleasefollowpoint1toconnecttheearthclamptothepositiveterminal“+”
3. Please pay attention to the connecting polarity and there are two connecting
methodforDCweldingmachine:positiveconnectionandnegativeconnection.
3.1 Positive connection: holder connects with “-“polarity, work-piece with the “+”
polarity.
3.2 Negativeconnection:work-piecetothe“-“polarity,electrodeholdertothe“+”
polarity.
3.3 Choose suitable method according to the welding requirement. If unsuitable
methodisselected,itwillcauseunstablearc,morespattersandconglutination.
Ifsuchcaseoccurs,pleasechangethepolarityoftheweldingcables.
4. Switchto“MMA”.
5. Switch the power switch to “ON” position then the cooling fan will start to work
immediately.
6. Pleaseadjustappropriateweldingcurrentandrodaccordingtothicknessofwork-
pieceandweldingcraft.
Electrodestandard
ElectrodeDiameter(mm)
1.6 2.0 2.5 3.2 4.0 5.0
WeldingCurrent(A) 25-40 40-65 50-80 100-130
160-210
200-270
No. Name
1 Earthclamp
2 Electrodeholder
SUPERSeries·User’sManual
-8-

INSTALLMENT&OPERATION
ForTIG
1.Connectgashosewithcopperconnectiononrearpanelofthemachinethenfasten
theconnectorwithhoseclamptopreventfromleakinggas.
2.Pleaseconnecttheearthclampandtorchcorrectlyasbelow:
2.1 The connector of gas-electricityintegrationtothefront panel
and fasten it
clockwise.
2.2 Thepinconnectortothefrontpanel
andfastenitclockwise.
2.3 Thecableconnectoroftheearthclamptothepositiveterminal“+”.
3.Switchto“TIG”andclickthepowerswitchto“ON”thenthecoolingfanwillstartto
workimmediately.
4.Opentheargonregulatorvalveandadjusttoadequateairpressureandflow.
5.Clickonthetorchswitchandthenthesolenoidvalveclickson,alsoHFarc-striking
canbeheard,meanwhileargongasflowsoutthroughtip.
Attention:Thetorchswitchshouldbekeptonforseveralsecondsbeforeweldingforthe
firsttime,andit’sreadytoworkafteralltheairisout.Andargonwillstillflow
outinseveralsecondswhentheweldingstopsandthisspecialdesignisto
continue protecting the welding spot before cooling. In that case, please
remaintheweldingpositionforawhileeventhearcisextinct.
6.Pleaseadjustappropriateweldingcurrentaccordingtothethicknessofworkpiece
andweldingcraft.
7. Pleasekeepadistanceof2-4mmbetweenthetungstenandwork-piece,thenclick
onthetorchswitchandtherewillbeHFsparkbetweenelectrodeandwork-piece,
afterarc-strikingthesoundfromtheHFdischarginginthemachinewilldisappearat
once,andnowit’sreadytoweld.
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MiTEC super200 User manual

Brand
MiTEC
Model
super200
Category
Welding System
Type
User manual
This manual is also suitable for

MiTEC super200P is a powerful and versatile welding machine that is perfect for a variety of welding applications. It is a constant current welder, meaning that the welding current is stable and does not change with the arc. This makes it ideal for welding thin materials, as it will not burn through the metal. The super200P also has a built-in pulse function, which can be used to improve the quality of the weld. Pulse welding is a technique that uses a series of short, high-intensity pulses to create a stronger and more durable weld. The super200P also has a number of other features that make it a great choice for welders of all skill levels. These features include:

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