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Lincoln Electric 205-TAC/DCTIG User's Manual

Contents

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2. tim BIR Chinese LEIA E COMPREENDA AS INSTRU ES DO FABRICANTE PARA ESTE EQUIPAMENTO E AS PARTES DE USO E SIGA AS PRATICAS DE SEGURANCA DO EMPREGADOR 125MM PBHOA A OHRBEE lt K BA 3880 TL TRHORASMEK HDT FEU ARAM MBN E Ro RA BA LA RIRH EH 59 EL 0 St i SAAD HA OK EPA ai il gl alala ud al gly PO Sal lala ouais il LINCOLN World s Leader in Welding and Cutting Products Sales and Service through Subsidiaries and Distributors Worldwide Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com
3. 2 2 PRE FLOW POST FLOW GASON GAS Press and hold the Arc Start Switch to start the sequence The machine will open the gas valve to start the flow of the shielding gas After a 0 5 second preflow time to purge air from the torch hose the output of the machine is turned ON At this time the arc is started After the arc is started the output current will be at the Start current This condition can be maintained as long or as short as necessary If the Start current is not necessary do not hold the TIG torch trigger as described at the beginning of this step Instead quickly press and release the trig ger In this condition the machine will automatically pass from Step 1 to Step 2 when the arc is started Release the TIG torch trigger to start the main part of the weld The output current will be increased from the start current to the welding current Both the start current and increase or upslope time are presettable The default start current is 15 amps and the default ups lope time is 0 2 seconds Press and hold the TIG torch trigger when the main part of the weld is complete The machine will now decrease the output current at a controlled rate or downslope time until the Finish current is reached Both the Downslope Time and the Finish Current are presettable This Finish current can be maintained as long or as short as necessary V205 T DC amp V205 T AC DC TIG LINCOLN P
4. L S0CA V205 T DC amp V205 T AC DC TIG LINCOLN E WIRING DIAGRAM F 2 2 2 90760742 23d SIE TST Bech ww dame Jequinu epoo 1ueuudinbe e eui au si eu y sjeued einsoj oue y jo euo uo eui pejsed si e jenueu siu Aq seuruoeui 104 eq jou u Ajuo S SIUL 310 t 8 1_ _ iti 8 i 9 E Ig er Sp EE ch eze 0 0 0 0 HN SOA BND eue ZNO ral bal FEIT PELO B E er CES 1 L3 cL vN2 E Eg 9 Ly 1 ES I bi 5 ale 1 4 97 4 e IN
5. indus trial 200 amp arc welding power sources that utilize single phase input power to produce constant current output The welding response has been optimized for stick SMAW and TIG GTAW The units are ideal for industrial applications where portability is impor tant The Invertec V205 T AC DC is a power source that can perform the following types of welding with excellent results TIG AC with square sinusoidal and triangular waveforms TIG DC with high frequency or Touch Start TIG Starting Stick DC The Invertec V205 T DC is a power source that can perform the following types of welding with excellent results TIG DC with high frequency or Touch Start TIG Starting Stick DC The following items can be connected to the 6 pin socket on the front panel Remote control potentiometer for Stick welding Remote Foot Amptrol or Hand Amptrol Arc Start Switch NOTE See Accessories section of this manual for product numbers and complete description WELDING CAPABILITY The Invertec V205 T DC amp V205 T AC DC is rated at 200 amps 18 volts at 4096 duty cycle on a ten minute basis It is capable of higher duty cycles at lower out put currents It is capable of 140 amps 15 6 volts at at 100 duty cycle If the duty cycle is exceeded a thermal protector will shut off the output until the machine cools See Technical Specifications in A 1 for other rated outputs The Invertec V205 T is recommended
6. Electrode Connection Positive For quick disconnect system using Twist Mate cable plugs Welding Parameter Display LED s show which mode or welding parameter is activated for adjustment If it is necessary to modify the welding parameters Item 13 Wait four seconds after the LED s on the panel have gone out the welding current LED will be lit Press the SETUP Parameter push button Item 4 every time the push button is pressed one of the LED s in the diagram Item 13 comes on in clock wise sequence and the value of the parameter appears on the Digital display Item 6 Stop at the desired parameter Rotate the Output Parameter Adjust Knob Item 5 and modify the parameter value Press the SETUP Parameter Item 4 push button again to pass to another parameter or wait five sec onds and the Weld Current LED will come on again VRD Voltage Reduction Device Status Lights Voltage reduction device can be enabled from the set up menu and an output voltage limit can be set that reduces the output open circuit voltage when not welding to that limit If enabled when the machine is sitting idle the Green VRD on light will illuminate to indicate the voltage is reduced below the set limit If the VRD device is not enabled factory default from the set up menu or while welding the red VRD off light will illuminate TIG AC AC DC model only Note The green VRD on light will illuminate in TIG mode until
7. IM937 INVERTEC 205 amp V205 T AC DC TIG For use with machines having Code Numbers 11426 11430 Safety Depends on You Lincoln arc welding and cutting equipment is designed and built with safety in mind However your overall safety can be increased by proper installation and thought ful operation on your part DO NOT INSTALL OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READING THIS MANUAL AND THE SAFETY PRECAUTIONS CONTAINED THROUGHOUT And most importantly think before you act and be careful OPERATOR S MANUAL LINCOLN Copyright 2007 Lincoln Global Inc World s Leader in Welding and Cutting Products Sales and Service through Subsidiaries and Distributors Worldwide Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com SAFETY WARNING A CALIFORNIA PROPOSITION 65 WARNINGS A Diesel engine exhaust and some of its constituents The engine exhaust from this product contains are known to the State of California to cause can chemicals known to the State of California to cause cer birth defects and other reproductive harm cancer birth defects or other reproductive harm The Above For Diesel Engines The Above For Gasoline Engines ARC WELDING CAN BE HAZARDOUS PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH KEEP CHILDREN AWAY PACEMAKER WEARERS SHOULD CONSULT
8. TIG Torch Parts Kits Parts kits are available for the PTA 9 and PTA 17 TIG torches These kits include back cap collets collet bodies nozzles and tung stens Order KP507 for PTA 9 torches Order KP508 for PTA 17 torches Order KP2414 1 Gas Lens Parts kit for PTA 9 torches See publication E12 150 for parts kits breakdown Cut Length Consumables TIG welding filler metals are available for welding stainless steel mild steel aluminum and copper alloys See publication C9 10 V205 T DC amp V205 T AC DC TIG LINCOLN 8 D 1 MAINTENANCE SAFETY PRECAUTIONS WARNING ELECTRIC SHOCK can kill o Have an electrician install and ser vice this equipment Turn the input power off at the fuse box disconnect or unplug supply lines and allow machine to sit for five minutes minimum to allow the power capacitors to dis charge before working inside this equipment Do not touch electrically hot parts INPUT FILTER CAPACITOR DISCHARGE PROCEDURE WARNING The machine has internal capacitors which are charged to a high voltage during power on condi tions This voltage is dangerous and must be dis charged before the machine can be serviced Discharging is done automatically by the machine each time the power is switched off However you must allow the machine to sit for at least 5 min utes to allow time for the process to take place ROUTINE MAINTENANCE Prevent metal powder from accumulating near the
9. the output is triggered even when VRD is disabled WELDING PARAMETER DEFAULTS AND RANGES PARAMETER VALUE MN MAX DEFAULT START CURRENT AMPS 6 MX 6 r UPSLOPE sc JI o 10 02 J WELD CURRENT DOWNSLOPE FINISH CURRENT POSTFLOW Cd AC FREQUENCY AC DC model onl JAC FREQUENCY AC DC modelony Hz AC BALANCE EN AC DC model onl EN Electrode Negative V TRIGGER 2 STEP Maximum Weld Current can be limited by input voltage Welding Mode TIG waveform and TIG frequency V205 T DC amp V205 T AC DC TIG LINCOLN P B 6 OPERATION B 6 SET UP MENU Rotate the Output Parameter Adjust Knob the Digital Display shows the numbers corresponding to the parameters in sequence stop at the desired Many additional parameters can be modified via the parameter and push the Setup Parameter Push Set Up Menu To access the Set Up Menu Button The number on the Digital display Item 6 is Position the ON OFF switch to OFF 0 replaced by the value of the parameter that can be Depress and hold the Parameter select Push Button modified through the Output Parameter adjust knob Position the On Off switch to on I at the back of the Item 5 machine the input voltage light Item 1 green LED With parameter 9 all the modifications made in the confirms normal operation SETUP mode are cancelled and the standard values SETUP m
10. Augen Ohren und K r perschutz Use prote o para a vista ouvido e corpo ERU B1SICRBRELUCF EU ARAOBFHRBAR ei 712 Sol Soares de de Lily iyi pis READ AND UNDERSTAND THE MANUFACTURER S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES BE USED AND FOLLOW YOUR EMPLOYER S SAFETY PRACTICES SE RECOMIENDA LEER Y ENTENDER LAS INSTRUCCIONES DEL FABRICANTE PARA EL USO DE ESTE EQUIPO Y LOS CONSUMIBLES QUE VA A UTILIZAR SIGA LAS MEDIDAS DE SEGURIDAD DE SU SUPERVISOR LISEZ ET COMPRENEZ LES INSTRUCTIONS DU FABRICANT EN CE QUI REGARDE CET EQUIPMENT ET LES PRODUITS A ETRE EMPLOYES ET SUIVEZ LES PROCEDURES DE SECURITE DE VOTRE EMPLOYEUR LESEN SIE UND BEFOLGEN SIE DIE BETRIEBSANLEITUNG DER ANLAGE UND DEN ELEKTRODENEINSATZ DES HER STELLERS DIE UNFALLVERHUTUNGSVORSCHRIFTEN DES ARBEITGEBERS SIND EBENFALLS ZU BEACHTEN Keep your head out of fumes Use ventilation or exhaust to remove fumes from breathing zone Los humos fuera de la zona de res piraci n e Mantenga la cabeza fuera de los humos Utilice ventilaci n o aspiraci n para gases e Gardez la t te l cart des fum es e Utilisez un ventilateur ou un aspira teur pour ter les fum es des zones de travail e Vermeiden Sie das Einatmen von Schweibrauch Sorgen Sie f r gute Be und Entl ftung des Arbeitsplatzes e Mantenha seu rosto da fumaca Use ventilac o e exhaust o para rem
11. Controls and Settings 2 Step and 4 Step Tig Sequence B 3 B 5 Welding Parameter Defaults and B 5 M IE B 6 lu elle B 7 DC Tig Welding Welding Polarity DC Electrode Negative Polarity ss B 7 DC Electrode Positive Polarity Seed eier en dined B 8 DG PUlSO TIG irte ipei itti e les uc neers 0 B 8 A C Alternating Current sise B 8 A C Pulsed TIG Alternating Current B 8 Steel MG ms B 9 Copper oie deest amen eta ter adeo tt uen utut denen B 9 Tips For AC TIG B 9 GTAW AGI MERE B 9 Protective Gas Tips For Improved TIG Starting B 10 AC Tig Welding Quick Start Up sise B 11 DC Tig Welding Quick Start B 12 El Section C Optional Accessories and Compatible Equipment C 1 Factory Field Installed 0 ERR sentatives nent etes tetes C 1 METER Section D Safety EE D 1 Input Filter Capacitor Discharge Procedure D 1 Routine Maintenance menu ener emcee cn rait a uua cme D 1 Troubleshooting eene ene nnn nnn nnn nnne nnn Section E How to Use Troubleshooting Guide E 1 Troubleshooting e E E 2 thru E 4 Wiri
12. SS vTGI uo L 4 LES L a PERS o Et USA Can LE el X 9NI L JE 9 NO B KG lee LAS 5 c T 009 E De KT 1 tT s P _ Hi re 1 8 INO TEND 2m EIS 45250 eb 1711 1 T IIT TLE 5 Hh asd HE leas oed Bone TRH INS z 80 ET sir ES PE B Cri s ie s E EIS e I ER 982 vTST 1 i so Ge 1 so ESt hT ST LEE r Es A rp de EE Pt i P ozr ver E gt T E A ER H sl E SEIL Di m ES P 1 T 1 Gage Sch a e _ 2 U 134 i aii a 1 1 i 1 1 1 ad 1 1 i iai wu IE HTST mu 27 34 234 TA UN n 5 5 ng td 1 1 ek dao lea Vi Vin sei I E we 48 1 48 8 8 2 d I E ceo co a9 ND 2 OG 3 ee iig Bd cg 2 EC X wy Wi uw 4 4 ki I n 41 06711 9Q OV L S0CA V205 T DC 4 V205 T AC DC LINCOLN E NOTES V205 T DC amp V205 T AC DC TIG LINCOLN 8 NOTES V205 T DC amp V205 T AC DC TIG LINCOLN 8 Spanish AVISO DE PRECAUCION French ATTENTION German WARNUNG SIR Chinese Korean Do not touch electri
13. WITH THEIR DOCTOR BEFORE OPERATING Read and understand the following safety highlights For additional safety information it is strongly recommended that you purchase a copy of Safety in Welding amp Cutting ANSI Standard 249 1 from the American Welding Society P O Box 351040 Miami Florida 33135 or CSA Standard W117 2 1974 A Free copy of Arc Welding Safety booklet E205 is available from the Lincoln Electric Company 22801 St Clair Avenue Cleveland Ohio 44117 1199 BE SURE THAT ALL INSTALLATION OPERATION MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS FOR ENGINE D d 1 h To avoid scalding do not remove the powered equipment 4 2 radiator pressure cap when the engine is hot 1 Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running cau 1 b Operate engines in open well ventilated areas or vent the engine exhaust fumes outdoors ELECTRIC AND MAGNETIC FIELDS Sa may be dangerous 2 a Electric current flowing through any conductor causes localized Electric and Magnetic Fields EMF Welding current creates EMF fields around welding cables and welding machines 1 c Do not add the fuel near an open flame welding arc or when the engine is running Stop the engine and allow it to cool before refueling to prevent spilled fuel from vaporiz ing on contact with hot engine parts
14. adjusted from the set up menu to aid starting if required The V205 T AC DC when set to AC TIG will try to initiate the arc with positive polarity until the arc is estab lished Positive polarity puts more energy into heating the tungsten but the drawback is that is can cause the tungsten to ball excessively or to super heat Note super heating of the tungsten can be noticed if the tungsten is glowing red or orange during starting Start Power can be adjusted within two ranges 0 5 to 1 Manual Setting 1 2 to 5 0 Incremental setting If start power is set within the incremental range mode the machine tries to start electrode positive at a relative setting of 1 If the arc fails to establish it will repeat the start sequence each time by incrementing the amount of electrode positive energy by 10 more 0 1 up to the start power limit setting or until the arc establishes For comparison a start power limit of 2 if reached will have twice the energy of the starting point of 1 If the tungsten has too much of a ball on it or appears to be super heating during starts the start power limit can be turned down In the manual setting range the start power will not keep incrementing up to a limit Instead the start power stays at whatever level is set For example a setting of 0 5 will start the machine with half the normal starting energy of 1 V205 T DC amp V205 T AC DC TIG LINCOLN B 11 AC TIG WELDING QUICK START UP AC DC model o
15. flammable or toxic vapors from substances inside They can cause an explosion even though they have been cleaned For information purchase Recommended Safe Practices for the Preparation for Welding and Cutting of Containers and Piping That Have Held Hazardous Substances AWS F4 1 from the American Welding Society see address above Vent hollow castings or containers before heating cutting or welding They may explode Sparks and spatter are thrown from the welding arc Wear oil free protective garments such as leather gloves heavy shirt cuffless trousers high shoes and a cap over your hair Wear ear plugs when welding out of position or in confined places Always wear safety glasses with side shields when in a welding area Connect the work cable to the work as close to the welding area as practical Work cables connected to the building framework or other locations away from the welding area increase the possibility of the welding current passing through lifting chains crane cables or other alternate cir cuits This can create fire hazards or overheat lifting chains or cables until they fail Also see item 1 c Read and follow NFPA 51B Standard for Fire Prevention During Welding Cutting and Other Hot Work available from NFPA 1 Batterymarch Park PO box 9101 Quincy Ma 022690 9101 Do not use a welding power source for pipe thawing LINCOLN 8 CYLINDER may explode 22 Ea if damag
16. metal FUMES AND GASES can be dangerous 5 a Welding may produce fumes and gases hazardous to health Avoid breathing these fumes and gases When welding keep your head out of the fume Use enough ventilation and or exhaust at the arc to keep fumes and gases away from the breathing zone When welding with electrodes which require special ventilation such as stainless or hard facing see instructions on container or MSDS or on lead or cadmium plated steel and other metals or coatings which produce highly toxic fumes keep exposure as low as possible and below Threshold Limit Values TLV using local exhaust or mechanical ventilation In confined spaces or in some circumstances outdoors a respirator may be required Additional precautions are also required when welding on galvanized steel The operation of welding fume control equipment is affected by various factors including proper use and positioning of the equipment maintenance of the equipment and the spe cific welding procedure and application involved Worker exposure level should be checked upon installation and periodically thereafter to be certain it is within applicable OSHA PEL and ACGIH TLV limits Do not weld in locations near chlorinated hydrocarbon vapors coming from degreasing cleaning or spraying operations The heat and rays of the arc can react with solvent vapors to form phosgene a highly toxic gas and other irritating prod ucts Shield
17. pinces peut tre le total de la tension vide des deux machines Si on utilise la machine souder comme une source de courant pour soudage semi automatique ces precautions pour le porte lectrode s applicuent aussi au pistolet de soudage pr venir tout risque d incendie d aux tincelles Quand on ne soude pas poser la pince une endroit isol de la masse Un court circuit accidental peut provoquer un chauffement et un risque d incendie S assurer que la masse est connect e le plus pr s possible de la zone de travail qu il est pratique de le faire Si on place la masse sur la charpente de la construction ou d autres endroits loign s de la zone de travail on augmente le risque de voir passer le courant de soudage par les chaines de lev age c bles de grue ou autres circuits Cela peut provoquer des risques d incendie ou d echauffement des chaines et des c bles jusqu ce qu ils se rompent Assurer une ventilation suffisante dans la zone de soudage Ceci est particuli rement important pour le soudage de t les galvanis es plomb es ou cadmi es ou tout autre m tal qui produit des fume s toxiques Ne pas souder en pr sence de vapeurs de chlore provenant d op rations de d graissage nettoyage ou pistolage La chaleur ou les rayons de l arc peuvent r agir avec les vapeurs du solvant pour produire du phosg ne gas fortement toxique ou autres produits irritants Pour obtenir de plus am
18. the welding equipment radio and television transmitters and receivers computer and other control equipment safety critical equipment e g guarding of industrial equipment the health of the people around e g the use of pacemakers and hearing aids equipment used for calibration or measurement the immunity of other equipment in the environment The user shall ensure that other equipment being used in the environment is compatible This may require additional protection measures the time of day that welding or other activities are to be carried out V205 T DC amp V205 T AC DC TIG LINCOLN 8 L10093 vi SAFETY vi ELECTROMAGNETIC COMPATIBILITY EMC The size of the surrounding area to be considered will depend on the structure of the building and other activities that are taking place The surrounding area may extend beyond the boundaries of the premises Methods of Reducing Emissions Mains Supply Welding equipment should be connected to the mains supply according to the manufacturer s recommendations If interference occurs it may be necessary to take additional precautions such as filtering of the mains supply Consideration should be given to shielding the supply cable of permanently installed welding equipment in metallic conduit or equivalent Shielding should be electrically continuous throughout its length The shielding should be connected to the welding power source so that good electrical contact is m
19. workpiece melts and penetration occurs FIGURE B 7 ST ET Greater EN MORE PENETRATION Lesser EN more CLEANING 50 EN Changing the wave balance alters the ratio between the cleaning and the penetrating current A C Pulsed TIG When AC welding a pulsed current can be used with similar effects to those described in pulsed direct current welding FIGURE B 8 x A C PULSED TIG f 1 10Hz Lect T 1 1 V205 T DC amp V205 T AC DC TIG LINCOLN B 9 STEEL TIG WELDING The TIG process is very effective for welding both car bon steel and alloy steel especially in applications requiring precision results DC Electrode Negative Polarity is required Since this process does not include the removal of impurities proper cleaning and preparation of the edges is required FILLER MATERIAL The filler rods must deposit welds with mechanical characteristics appropriate for the application COPPER TIG WELDING Since TIG welding is a process characterized by high heat concentration it is particularly suitable for weld ing materials with high thermal conductivity like cop per As with steel the DC Electrode Negative Polarity is employed with argon as protective gas Considering the fluidity of molten copper the use of backup support may prove useful FILLER MATERIAL In order to avoid the oxidation of the molten material filler materials containing phosphorus silicon or other de
20. B 5 OPERATION B 5 4 Release the TIG torch trigger 10 The output current of the machine will turn OFF and the gas valve will remain open to continue the flow of the shielding gas The duration of this postflow time is adjusted by the Postflow parameter This 11 operation is shown in 4 step diagram 1 Possible variations of this standard sequence are shown in 4 step diagram 2 By releasing and re 12 pressing the TIG torch trigger during the downslope step the output will immediately drop to and hold at the Finish Current Releasing the trigger will turn off 13 the output and begin postflow This operation shown in 4 step diagram 2 4 STEP DIAGRAM 1 o o e TORCH 1 2 3 4 BUTTON y OUTPUT CURRENT PREFLOW POST FLOW GAS ON 4 STEP DIAGRAM 2 3A TORCH BUTTON 14 OUTPUT CURRENT POST FLOW GAS ON GAS 9 Welding selection button Permits selection of the welding mode The LED beside the symbol confirm the selection Stick Crisp used for E6010 and other cellulosic electrodes Stick Soft used for low Hydrogen and E7018 electrodes TIG DC Electrode Connection Negative For quick disconnect system using Twist Mate cable plugs with gas pass through for TIG Torches Remote Control Connector For the connection of a Lincoln Foot Amptrol Hand Amptrol or Arc Start Switch See the ACCESSORIES section for available options
21. BLE A quick disconnect system is used for the welding cable connections The stick electrode cable will need to have a plug attached 1 Cut off welding cable lug if present 2 Remove 1 00 in 25mm of welding cable insula tion 3 Slide rubber boot onto cable end The boot end may be trimmed to match the cable diameter Use soap or other nonpetroleum based lubricant to help slide the boot over the cable if needed BOOT WELDING CABLE 1 00 25 TRIM REQ D TO FIT OVER CABLE WELDING CABLE COPPER FERRULE 5 Slide the copper ferrule into the brass plug 4 Insert copper strands into ferrule 6 Tighten set screw to collapse copper tube Screw must apply pressure against welding cable The top of the set screw will be well below the surface of the brass plug after tightening yo SCREW BRASS PLUG COPPER TUBE 7 Slide rubber boot over brass plug The rubber boot must be positioned to completely cover all electri cal surfaces after the plug is locked into the recep tacle SHIELDING GAS CONNECTION Obtain the necessary inert shielding gas Connect the cylinder of gas with a pressure regulator and flow gage Install a gas hose between the regulator and gas inlet located on the rear of the welder The gas inlet has a 5 16 18 right hand female thread CGA 032 A WARNING CYLINDER could explode if damaged Keep cylinder upright and chained to a s
22. OBLEMS POSSIBLE RECOMMENDED SYMPTOMS CAUSE COURSE OF ACTION PROBLEMS IN TIG WELDING Oxidation 1 Insufficient gas 2 No protection on the back side Tungsten inclusions 1 Incorrect electrode sharpening 2 Electrode too small 3 Operating failure contact of the tip with the workpiece 1 Dirt on the edges 2 Dirt on the filler material 3 Excessive travel speed 4 Current intensity too low 5 Insuffient gas flow rate If all recommended possible areas of misadjustment have been checked and the problem persists Contact Hot cracking 1 Unsuitable filler material 2 2 High heat supply CIVICE TACKNY 3 Dirty materials If for any reason you do not understand the test Se CAUTIONS or are unable to perform the tests repairs safely contact your A CAUTION CAUTION V205 T DC amp V205 T AC DC TIG LINCOLN 8 E 4 TROUBLESHOOTING E 4 Observe all Safety Guidelines detailed throughout this manual Machine fails to come on No Input Voltage Green LED off Faulty supply plug or cable Internal fuse blown Power output incorrect Incorrect setting up of the welding Green LED on parameters Low mains supply voltage No output current E00 Appears briefly on DIGITAL Green LED on DISPLAY Instantaneous error relating to input voltage or output current If the condition persists the Error code will change to E11 E12 or E14 E10 Flashing on the DIGITAL DISPLAY and the ye
23. S A WARNING e ELECTRIC SHOCK can kill Keep the electrode holder TIG torch and cable insulation in good condition and in place Do not touch electrically live parts or electrode with skin or wet cloth ing e Insulate yourself from work and ground e Turn the input line Switch on the Invertec V205 T DC amp V205 T AC DC off before connecting or disconnecting output cables or other equipment OUTPUT AND GAS CONNECTION FOR TIG WELDING FIGURE A 1 The TIG Torch Twist Mate and work cable Twist Mate Connectors are supplied with the welder To connect the cables turn the Power Switch OFF Connect the torch cable Twist Mate plug into the DC Electrode Gas Output Receptacle on the front of the welder and turn it clockwise until snug Do not Overtighten This is a quick connect terminal and also provides the gas connection for the shielding gas to the torch A WARNING To avoid receiving a high frequency shock keep the TIG torch and cable Insulation in good condi tion WORK CABLE CONNECTION Next connect the work cable to the output terminal in the same way To minimize high frequency interference refer to Machine Grounding and High Frequency Interference Protection section of this manual for the proper procedure on grounding the work clamp and work piece FIGURE 1 TIG TORCH LT INSTALLATION WORK CLAMP A 5 This unit does not include a TIG torch but one ma
24. able should also be on your right side M Connect the work cable to the workpiece as close as possible to the area being welded 1 g To prevent accidentally starting gasoline engines while turning the engine or welding generator during maintenance work disconnect the spark plug wires distributor cap or magneto wire as appropriate Do not work next to welding power source Mar 95 LINCOLN 8 SAFETY ELECTRIC SHOCK can kill 3 a The electrode and work or ground circuits are electrically hot when the welder is on Do not touch these hot parts with your bare skin or wet clothing Wear dry hole free gloves to insulate hands 3 b Insulate yourself from work and ground using dry insulation Make certain the insulation is large enough to cover your full area of physical contact with work and ground In addition to the normal safety precautions if welding must be performed under electrically hazardous conditions in damp locations or while wearing wet clothing on metal structures such as floors gratings or scaffolds when in cramped positions such as sitting kneeling or lying if there is a high risk of unavoidable or accidental contact with the workpiece or ground use the following equipment Semiautomatic DC Constant Voltage Wire Welder DC Manual Stick Welder Welder with Reduced Voltage Control In semiautomatic or automatic wire welding the electrode elect
25. aeration fins and over them Carry out the following periodic controls on the power source Clean the power source inside by means of low pressure compressed air Check the electric connections and all the connec tion cables Always use gloves in compliance with the safety standards V205 T DC amp V205 T AC DC TIG LINCOLN 8 EM TROUBLESHOOTING E HOW TO USE TROUBLESHOOTING GUIDE A WARNING Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty For your safety and to avoid Electrical Shock please observe all safety notes and precautions detailed throughout this manual This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions Simply follow the three step procedure listed below Step 1 LOCATE PROBLEM SYMPTOM Look under the column labeled PROBLEM SYMP TOMS This column describes possible symptoms that the machine may exhibit Find the listing that best describes the symptom that the machine is exhibiting Step 2 POSSIBLE CAUSE The second column labeled POSSIBLE CAUSE lists the obvious external possibilities that may contribute to the machine symptom Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause generally it st
26. aintained between the conduit and the welding power source enclosure Maintenance of the Welding Equipment The welding equipment should be routinely maintained according to the manufacturer s recommendations All access and service doors and covers should be closed and properly fastened when the welding equipment is in operation The welding equipment should not be modified in any way except for those changes and adjustments covered in the manufacturers instructions In particular the spark gaps of arc striking and stabilizing devices should be adjusted and maintained according to the manufacturer s recommendations Welding Cables The welding cables should be kept as short as possible and should be positioned close together running at or close to the floor level Equipotential Bonding Bonding of all metallic components in the welding installation and adjacent to it should be considered However metallic components bonded to the work piece will increase the risk that the operator could receive a shock by touching these metallic components and the electrode at the same time The operator should be insulated from all such bonded metallic components Earthing of the Workpiece Where the workpiece is not bonded to earth for electrical safety not connected to earth because of its size and position e g ships hull or building steelwork a connection bonding the workpiece to earth may reduce emissions in some but not all instances Care should be t
27. aken to prevent the earthing of the workpiece increasing the risk of injury to users or damage to other electrical equipment Where necessary the connection of the workpiece to earth should be made by a direct connection to the workpiece but in some countries where direct connection is not permitted the bonding should be achieved by suitable capacitance selected according to national regulations Screening and Shielding Selective screening and shielding of other cables and equipment in the surrounding area may alleviate problems of interference Screening of the entire welding installation may be considered for special applications 1 Portions of the preceding text are contained in EN 60974 10 Electromagnetic Compatibility EMC product standard for arc welding equipment 3 1 96H L10093 V205 T DC amp V205 T AC DC TIG LINCOLN 8 Vii vii for selecting a QUALITY product by Lincoln Electric We want you Thank You to take pride in operating this Lincoln Electric Company product as much pride as we have in bringing this product to you CUSTOMER ASSISTANCE POLICY The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment consumables and cutting equip ment Our challenge is to meet the needs of our customers and to exceed their expectations On occasion purchasers may ask Lincoln Electric for advice or information about their use of our products We respond to our customers
28. and igniting Do not spill fuel when filling tank If fuel is spilled wipe it up and do not start engine until fumes have been eliminated EMF fields may interfere with some pacemakers and welders having a pacemaker should consult their physician before welding 1 d Keep all equipment safety guards covers and devices in position and in good repair Keep hands hair clothing and tools away from V belts gears fans and all other moving Exposure to EMF fields in welding may have other health parts when starting operating or repairing equipment effects which are now not known All welders should use the following procedures in order to 1 e In some cases it may be necessary to remove safety bia minimize exposure to EMF fields from the welding circuit guards to perform required maintenance Remove guards only when necessary and replace them when the maintenance requiring their removal is complete Always use the greatest care when working near moving parts 2 d 1 Route the electrode and work cables together Secure them with tape when possible 2 d 2 Never coil the electrode lead around your body 1 f Do not put your hands near the engine fan Do not attempt to override the governor idler by pushing on the throttle control rods while the engine is running 2 d 3 Do not place your body between the electrode and work cables If the electrode cable is on your right side the work c
29. ates to contact your local Lincoln Authorized Field Service Facility If you do not understand or are unable to perform the Recommended Course of Action safely contact your local Lincoln Authorized Field Service Facility CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests repairs safely contact your V205 T DC amp V205 T AC DC TIG LINCOLN 8 E 2 TROUBLESHOOTING E 2 Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE RECOMMENDED 2 High current Craters 1 Fast movement of the electrode away from piece Inclusions 1 Poor cleanliness or distribution of the Welding passes 2 Improper movement of the elec trode Insufficient penetration 1 High progression speed 2 Welding current too low Narrow chamfering SR If all recommended possible areas of Sticking 1 Arc too short misadjustment have been checked 2 Current too low and the problem persists Contact your local Lincoln Authorized Field Porosity 1 Humidity in electrode Service Facility Cracks 1 Current too high 2 Dirty materials 3 Hydrogen in weld present on electrode coating CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests repairs safely contact your V205 T DC amp V205 T AC DC TIG LINCOLN 8 E 3 TROUBLESHOOTING E 3 Observe all Safety Guidelines detailed throughout this manual PR
30. based on the best information in our posses sion at that time Lincoln Electric is not in a position to warrant or guarantee such advice and assumes no liability with respect to such infor mation or advice We expressly disclaim any warranty of any kind including any warranty of fitness for any customer s particular purpose with respect to such information or advice As a matter of practical consideration we also cannot assume any responsibility for updating or correcting any such information or advice once it has been given nor does the provision of information or advice create expand or alter any warranty with respect to the sale of our products Lincoln Electric is a responsive manufacturer but the selection and use of specific products sold by Lincoln Electric is solely within the control of and remains the sole responsibility of the customer Many variables beyond the control of Lincoln Electric affect the results obtained in applying these types of fabrication methods and service requirements Subject to Change This information is accurate to the best of our knowledge at the time of printing Please refer to www lincolnelectric com for any updated information Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped title passes to the purchaser upon receipt by the carrier Consequently Claims for material damaged in shipment must be made by the purchaser against the transportation company at the time t
31. breakers have a delay in tripping action that decreases as the magnitude of the current increases V205 T DC 4 V205 T AC DC LINCOLN 8 A 4 INSTALLATION A 4 230V INPUT The equipment is provided with a 230 115V cable 6 6ft 2m in length with a 230V 6 50P attachment plug The Invertec V205 T performs best when connected to 230VAC inputs This input allows full output of the machine 200 amps 115V INPUT A suitable 115V attachment plug must be installed on the power cord to use the V205 T with a 115V input supply The rated output of the V205 T is available when con nected to a 30A branch circuit When connected to a branch circuit with lower amp rating lower welding cur rent and duty cycle must be used An output guide is pro vided below The values are approximate and must be adjusted downward if the fuse or circuit breaker trips off Other loads on the circuit and fuse circuit breaker char acteristics will affect the available output Do not exceed these welding conditions 15A branch circuit 10 duty cycle Stick 75 TIG 105A 20A branch circuit 1096 duty cycle Stick 90A TIG 130A ATTACHMENT PLUG INSTALLATION Connect the white neutral wire under terminal clamp with silver screw and black hot wire under terminal clamp with brass screw Connect green wire under terminal clamp with green screw A WARNING Failure to wire as instructed may cause personal injury or damage to eq
32. cally live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes o los electrodos bajo carga con la piel o ropa moja a Aislese del trabajo y de la tierra Ne laissez ni la peau ni des v te ments mouill s entrer en contact avec des pi ces sous tension Isolez vous du travail et de la terre e Ber hren Sie keine stromf hrenden Teile oder Elektroden mit Ihrem K rper oder feuchter Kleidung Isolieren Sie sich von den Elektroden und dem Erdboden e toque partes el tricas e elec trodos com a pele ou roupa molha da Isole se da e terra eoo SOS MARHE FRANEACRHEUCE ATUBSHELTFEL e ER AER H amp ORAS RMI HR e 3544 gHEg He 8 AU PHA e 2749 HHE ASAI OMAR JUS Yt gow Gall oye daa dea ag iY d ily gS welll AA Gadi Jai JS aua ule Vile woe Keep flammable materials away Mantenga el material combustible fuera del rea de trabajo Gardez l cart de tout mat riel inflammable Entfernen Sie brennbarres Material Mantenha inflamaveis bem guarda dos e KAPTU SODMTOBEEER EVA fbi I els Hc AIX uie Jus ALIM Aal e Wear eye ear and body protection Prot jase los ojos los o dos y el cuerpo Prot gez vos yeux vos oreilles et votre corps e Tragen Sie
33. ck welding When the V205 T s Output Control is in the REMOTE position this portable current control pro vides the same range as the current control on the welder Consists of a 6 pin Amphenol connector which plugs into the remote control Amphenol 25 foot cable length K870 Foot Amptrol for TIG welding When the V205 T s Output Control is in the REMOTE position the foot Amptrol energizes the output and controls the output remotely The Foot Amptrol connects directly to the 6 pin Amphenol K963 3 Hand Amptrol for TIG welding When the V205 T s Output Control is in the Remote position the hand Amptrol energizes the output and controls the output remotely The Hand Amptrol connects directly to the 6 pin Amphenol K814 Arc Start Switch Energizes the output for TIG welding if remote output control of the amperage is not desired It allows on off TIG welding at the cur rent set by the Current Control on the control panel When using the Arc Start Switch set the Output Control to the LOCAL position Magnum 9 and PTA 17 TIG Torches following standard Magnum TIG torches with one piece cable may be used with the Invertec V205 T K1781 1 PTA 9 1251 medium back cap K1781 3 9 25ft medium back cap K1782 1 PTA 17 12 5ft long back cap K1782 3 PTA 17 25ft long back cap NOTE Each torch requires a Twist Mate adapter one is included with the machine Collets collet bod ies a
34. de montage ou la piece souder doit tre branch une bonne mise la terre Autant que possible l installation et l entretien du poste seront effectu s par un lectricien qualifi Avant de faires des travaux l interieur de poste la debranch er l interrupteur la boite de fusibles Garder tous les couvercles et dispositifs de s ret leur place SAFETY ELECTROMAGNETIC COMPATIBILITY EMC Conformance Products displaying the CE mark are in conformity with European Community Council Directive of 3 May 1989 on the approximation of the laws of the Member States relating to electromagnetic compatibility 89 336 EEC It was manufactured in conformity with a national standard that implements a harmonized standard EN 60974 10 Electromagnetic Compatibility EMC Product Standard for Arc Welding Equipment It is for use with other Lincoln Electric equipment It is designed for industrial and professional use Introduction All electrical equipment generates small amounts of electromagnetic emission Electrical emission may be transmitted through power lines or radiated through space similar to a radio transmitter When emissions are received by other equipment electrical interference may result Electrical emissions may affect many kinds of electrical equipment other nearby welding equipment radio and TV reception numerical controlled machines telephone systems computers etc Be aware that interferenc
35. e by pressing and holding the Parameter button for three 3 Pulse On OFF push button CONSTANT current 3 seconds AC DC model only PULSED current Access the Set Up Menu See Set Up Menu section 4 Setup Parameter Select push button 5 Output Parameter Adjust Knob Allows you to con Setup Parameter push button has three 3 differ tinuously adjust the current both in TIG and in Stick ent functions welding Allows you to change the value shown on Digital Display Item 6 of the parameter selected with Setup Parameter select button ltem 4 V205 T DC amp V205 T AC DC TIG LINCOLN B 4 OPERATION B 4 6 Digital Display displays currently set values for each mode or welding parameter 7 Local Remote push button Selects the welding current adjusting system from front panel from remote control The LED beside the symbol confirms the selection 8 Tig Trigger Sequences For the V205 T AC DC TIG welding can be done in either the 2 step or 4 step mode which is selected with the Trigger Mode Push Button 2 Step Sequence With the Trigger Mode switch in the 2 step position the following welding sequence will occur This sequence is shown in 2 step diagram 1 1 Press and hold the Arc Start Switch to start the sequence The machine will open the gas valve to start the flow of the shielding gas After a 0 5 second preflow time to purge air from the torch hose the output of the machine i
36. e may result and extra precautions may be required when a welding power source is used in a domestic establishment Installation and Use The user is responsible for installing and using the welding equipment according to the manufacturer s instructions If electromagnetic disturbances are detected then it shall be the responsibility of the user of the welding equipment to resolve the situation with the technical assistance of the manufacturer In some cases this remedial action may be as simple as earthing grounding the welding circuit see Note In other cases it could involve constructing an electromagnetic screen enclosing the power source and the work complete with associated input filters In all cases electromagnetic disturbances must be reduced to the point where they are no longer troublesome Note The welding circuit may or may not be earthed for safety reasons according to national codes Changing the earthing arrangements should only be authorized by a person who is competent to assess whether the changes will increase the risk of injury e g by allowing parallel welding current return paths which may damage the earth circuits of other equipment Assessment of Area Before installing welding equipment the user shall make an assessment of potential electromagnetic problems in the surrounding area The following shall be taken into account other supply cables control cables signaling and telephone cables above below and adjacent to
37. ed 7 a Use only compressed gas cylinders containing the correct shielding gas for the process used and properly operating regulators designed for the gas and pressure used All hoses fittings etc should be suitable for the application and maintained in good condition Always keep cylinders in an upright position securely chained to an undercarriage or fixed support Cylinders should be located Away from areas where they may be struck or subjected to physical damage A safe distance from arc welding or cutting operations and any other source of heat sparks or flame Never allow the electrode electrode holder or any other electrically hot parts to touch a cylinder Keep your head and face away from the cylinder valve outlet when opening the cylinder valve Valve protection caps should always be in place and hand tight except when the cylinder is in use or connected for use Read and follow the instructions on compressed gas cylinders associated equipment and CGA publication Precautions for Safe Handling of Compressed Gases in Cylinders available from the Compressed Gas Association 1235 Jefferson Davis Highway Arlington VA 22202 FOR ELECTRICALLY powered equipment 8 a Turn off input power using the disconnect Switch at the fuse box before working on the equipment Install equipment in accordance with the U S National Electrical Code all local codes and the manufactur
38. er s recommendations Ground the equipment in accordance with the U S National Electrical Code and the manufacturer s recommendations SAFETY PRECAUTIONS DE SURETE 6 Eloigner les mat riaux inflammables ou les recouvrir afin de Pour votre propre protection lire et observer toutes les instructions et les pr cautions de s ret specifiques qui parraissent dans ce manuel aussi bien que les pr cautions de s ret g n rales suiv antes S ret Pour Soudage A L Arc 1 Protegez vous contre la secousse lectrique a Les circuits l lectrode et la pi ce sont sous tension quand la machine souder est en marche Eviter toujours tout contact entre les parties sous tension et la peau nue ou les v tements mouill s Porter des gants secs et sans trous pour isoler les mains Faire tr s attention de bien s isoler de la masse quand on soude dans des endroits humides ou sur un plancher metallique ou des grilles metalliques principalement dans les positions assis ou couch pour lesquelles une grande partie du corps peut tre en contact avec la masse Maintenir le porte lectrode la pince de masse le c ble de soudage et la machine souder en bon et s r tat defonctionnement d Ne jamais plonger le porte lectrode dans l eau pour le refroidir Ne jamais toucher simultan ment les parties sous tension des porte lectrodes connect s deux machines souder parce que la tension entre les deux
39. for stick weld ing with such popular electrodes as Fleetweld 5P and 5P E6010 Fleetweld 35 E6011 Fleetweld 37 E6013 Fleetweld 180 E6011 and Excalibur 7018 LIMITATIONS The V205 T is not recommended for pipe thawing V205 T DC amp V205 T AC DC TIG LINCOLN 8 B 2 OPERATION REAR CONTROL PANEL FIGURE B 1 A WARNING 1 Off On switch turns on the electric power to the welder It has two positions O off and 1 on With I1 in the I ON position the welding machine is operational and there is voltage between the positive and negative Terminals in stick welding In TIG the welding process needs a trigger closure command at the remote control connec tion Usually via an Arc Start Switch or Foot Amptrol The welder is connected to the supply even if the 41 Power Switch is in the O Off position and there fore there are electrically live parts inside the power source Carefully follow the instructions given in this manual FIGURE B 1 1 Supply cable 2 Gas attachment 11 Power Switch V205 T DC amp V205 T AC DC TIG LINCOLN P B 3 OPERATION B 3 CONTROLS AND SETTINGS All operator controls and adjustments are located on the case front of the V205 T machine Refer to Figure B 2 and the corresponding explanations FIGURE B 2 1 Input Voltage warning Light Green LED 2 Thermal Device Warning Light Yellow LED 3 Pulse On Off Button 4 Setup Parameter Select Butt
40. he shipment is received Please record your equipment identification information below for future reference This information can be found on your machine nameplate Product Model Number Code Number or Date Code Serial Number Date Purchased Where Purchased Whenever you request replacement parts or information on this equipment always supply the information you have recorded above The code number is especially important when identifying the correct replacement parts On Line Product Registration Register your machine with Lincoln Electric either via fax or over the Internet For faxing Complete the form on the back of the warranty statement included in the literature packet accompanying this machine and fax the form per the instructions printed on it For On Line Registration Go to our WEB SITE at www lincolnelectric com Choose Quick Links and then Product Registration Please complete the form and submit your registration Read this Operators Manual completely before attempting to use this equipment Save this manual and keep it handy for quick reference Pay particular attention to the safety instructions we have provided for your protection The level of seriousness to be applied to each is explained below WARNING This statement appears where the information must be followed exactly to avoid serious personal injury or loss of life CAUTION This statement appears where the informat
41. ing gases used for arc welding can displace air and cause injury or death Always use enough ventilation especially in confined areas to insure breathing air is safe Read and understand the manufacturer s instructions for this equipment and the consumables to be used including the material safety data sheet MSDS and follow your employer s safety practices MSDS forms are available from your welding distributor or from the manufacturer Also see item 1 b SAFETY WELDING and CUTTING gt SPARKS can cause fire or explosion 6 a Remove fire hazards from the welding area If this is not possible cover them to prevent the welding sparks from starting a fire Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas Avoid welding near hydraulic lines Have a fire extinguisher readily available Where compressed gases are to be used at the job site special precautions should be used to prevent hazardous situations Refer to Safety in Welding and Cutting ANSI Standard Z49 1 and the operating information for the equipment being used When not welding make certain no part of the electrode circuit is touching the work or ground Accidental contact can cause overheating and create a fire hazard Do not heat cut or weld tanks drums or containers until the proper steps have been taken to insure that such procedures will not cause
42. ion Turn the input power OFF and unplug the machine from the recep tacle before working on this equip ment Allow machine to sit for 5 min utes minimum to allow the power capacitors to discharge before working inside this equipment 0 Insulate yourself from the work and ground Always wear dry insulating gloves Always connect the V205 T to a power supply grounded according to the National Electrical Code and local codes SELECT SUITABLE LOCATION The Invertec will operate in harsh environments Even so it is important that simple preventative measures are followed in order to assure long life and reliable operation The machine must be located where there is free cir culation of clean air such that air movement in the back and out the front will not be restricted Dirt and dust that can be drawn into the machine should be kept to a minimum Failure to observe these precautions can result in excessive operating temperatures and nuisance shutdown STACKING The Invertec V205 T DC amp V205 T AC DC can not be stacked TILTING Place the machine directly on a secure level surface The machine may topple over if this procedure is not followed ENVIRONMENTAL AREA Keep the machine dry Do not place it on wet ground or in puddles MACHINE GROUNDING AND HIGH FRE QUENCY INTERFERENCE PROTECTION The Capacitor Discharge Circuit used in the high fre quency generator may cause many radi
43. ion must be followed to avoid minor personal injury or damage to this equipment viii TABLE OF CONTENTS Page UNC HUE EE Section A Technical Specifications 2 e afe aet rent eden st nde due Ru eu med epe A 1 Select Suitable Location D A 2 Rd DEDE ADI LI UE A 2 2 Environmental Areas 2 Machine Grounding and High Frequency Interference A 2 INPUT CONN CIIONS CE A 3 Reconnect Procedur Pme A 3 230V re mere eao REE A A 4 EN eue cT A 4 Attachment Plug Installation Engine Driven A 4 Output CGonnechons isa A 5 Output and Gas Connection for Tig Weldimg A 5 Klee Een le EE A 5 Output Connection for Stick Welding A 5 Quick Disconnect Plug seen A 6 Shielding Gas Cohnection oscuridad near e ree dee edo edd A 6 Remote Control Connection iocari tentes aide ee Hela LEVER UE SEA HR NE UR E A 6 OP OV ati es Section B E Eeer e ER B 1 G n ral DSSCHPUON rare B 1 Welding B 1 Eu em B 1 Rear Control e tiet ie tope RHE i Meee ed B 2
44. l speed Helium is especially suitable for welding thick workpieces The recommended gas flow rates are shown in table 5 TABLE 5 Current A Helium cfh I min 50 29 14 100 29 14 150 42 20 200 42 20 250 53 25 300 53 25 TIPS FOR IMPROVED TIG STARTING 1 Start Current For the best AC or DC TIG starting characteristics it may be necessary to adjust the start current on the front panel depending on the tungsten size In gener al larger tungsten requires more energy to establish an arc than smaller tungsten As an initial guideline set the start current according to the following recom mendations ungsten Size in Start Current Amps 0 020 0 040 1 16th 6 10 Amps 3 32 th 10 12 Amps 1 8th 12 15 Amps 2 DC Strike Current Aside from start current DC strike current can also be adjusted from the set up menu to get a hotter or softer start when DC TIG welding Strike current is an initial spike of current that lasts a few milliseconds before the machine goes to start current In general the fac tory default of 40 amps works for most applications If welding on very thin materials with small diameter tungsten strike current can be turned down to mini mize burning through the weld material Like wise for larger diameter tungsten strike current can be turned up to put more energy in the tungsten OPERATION B 10 3 AC TIG Start Power For AC TIG welding AC start power can be
45. llow control panel LED on Equipment Overheat machine to cool The power should remain on so the fan can maintain airflow and cool the machine E11 Flashing on DIGITAL DIS PLAY Input supply voltage too high E12 Flashing on DIGITAL DIS PLAY Input supply voltage too low E14 Flashing on DIGITAL DIS PLAY Welding circuit Inductance too high E20 E24 or E25 Flashing on DIGITAL DISPLAY Internal memory errors Contact your local Lincoln Electric Authorized Service Facility If all recommended possible areas of misadjustment have been checked and the problem persists Contact your local Lincoln Authorized Field Service Facility A CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests repairs safely contact your V205 T DC amp V205 T AC DC TIG LINCOLN 8 I LL WIRING DIAGRAMS F 1 Jequunu epoo 1ueuudinbo SAID e ou 01 M s 991 sjieued s1nsojous y euo uo ou pejsed si urejBeip siy Aq je 104 eq jou y HO 90 21 40 S8IE vTSI
46. meter tungsten electrodes 16 0 5 to 1 0 manual start energy setting 2 1 2 to 5 0 max Incrementing limit See Note Note The machine will try to start the machine at a start power of 1 If the arc does not establish it will incrementally increase the start power and try to restrike up to the set limit TIG PULSED BASE CURRENT Setting 0 Absolute value setting 1 Percentage value setting V205 T DC amp V205 T AC DC TIG LINCOLN B 7 OPERATION B 7 OUTPUT LIMITATIONS The maximum output current as specified in the instal lation section of this manual is derated in several situ ations alternate AC Wave Forms elevated AC Frequencies and 115V input Alternate AC Wave Forms See Set Up Menu Square 200 amps max output Sinusoidal 150 amps max output Triangular 120 amps max output Elevated AC Frequencies Above 85Hz AC output the square wave out put is limited to 170 amps Elevated AC Frequencies do not effect the output of Sinusoidal and Triangular Waveforms 115V Operation 150 A TIG Mode 110 A Stick Soft mode 100 A Stick Crisp Mode These derated values have been programmed into the Invertec V205 T to ensure reliable operation 1 AC DC model only DC TIG WELDING see FIGURE B 3 The TIG Tungsten Inert Gas welding process is based on the presence of an electric arc between a non consumable electrode pure or alloyed tungsten with an approximate melting temperature of 3370 C and the w
47. nd cracks that allow high frequency leakage Cables with high natural rub ber content such as Lincoln Stable Arc better resist high frequency leakage than neoprene and other synthetic rubber insulated cables 4 Keep the torch in good repair and all connections tight to reduce high frequency leakage 5 The work terminal must be connected to a ground within ten feet of the welder using one of the fol lowing methods a Ametal underground water pipe in direct con tact with the earth for ten feet or more b A 3 4 19mm galvanized pipe or a 5 8 16mm solid galvanized iron steel or copper rod driven at least eight feet into the ground The ground should be securely made and the grounding cable should be as short as possible using cable of the same size as the work cable or larger Grounding to the building frame electrical conduit or a long pipe system can result in re radi ation effectively making these members radiating antennas Keep all panels securely in place All electrical conductors within 50 ft 15 2m of the welder should be enclosed in grounded rigid metallic conduit or equivalent shielding Flexible metallic conduit is generally not suitable 8 When the welder is enclosed in a metal building several earth driven electrical grounds connected as in 5b above around the periphery of the build ing are recommended Failure to observe these recommended installation procedures can cause radio or TV inte
48. nd nozzles are not included and must be ordered separately TIG TORCH KITS K2266 1 TIG Mate 17 Air Cooled TIG Torch Starter Pack One complete easy to order kit pack aged in its own portable carrying case Includes PTA 17 torch parts kit Harris flowmeter regulator 10 ft gas hose Twist Mate adapter work clamp and cable K2267 1 TIG Mate 20 Water Cooled TIG Torch Starter Pack One complete easy to order kit pack aged in its own portable carrying case Includes PTW 20 torch parts kit Harris flowmeter regulator 10 ft gas hose Twist Mate adapter work clamp and cable and 10 ft water hose K2413 1 TIG Mate 9 Air Cooled TIG Torch Starter Pack One complete easy to order Kit packaged in its own portable carring case Includes PTA 9 Torch Gas Lens Parts Kit Harris flowmeter regulator 10 Ft gas hose Twist Mate adapter work clamp and cable CABLE PLUGS K852 70 Cable Plug Kit for 1 0 2 0 cable Attaches to welding cable to provide quick disconnect from machine Twist Mate Torch Adapter K1622 1 One is shipped with the welder torch If you do not care to interchange this part between torches one is required to connect Magnum PTA 9 or PTA 17 TIG torches with one piece cable to the V205 T you may order an additional adapters The quick connect plug provides connection for both gas and welding current K1622 4 Twist Mate adapter for Water Cooled TIG torches Adapter for PTW 18 and 20 Torches
49. ng Diagram eere Section F Parts RT EE P 560 viii A 1 INSTALLATION A 1 TECHNICAL SPECIFICATIONS V205 T DC TIG K2629 1 Code Number 11426 V205 T AC DC TIG K1855 4 Code Number 11430 INPUT SINGLE PHASE ONLY Input Voltages 50 60 Hz Max Input Current 115 34A at Rated Output 230 30A at Rated Output RATED OUTPUT Duty Cycle Output Amps Volts at Rated Amperes Input Amps 115V 35 Stick 110 34A 60 90 28A 100 70 20A 115V 40 TIG 150 60 120 100 100 230V 35 Stick 180 60 150 100 130 230V 40 TIG 200 60 170 100 140 OUTPUT Output Current Maximum Open Type of Output Range Circuit Voltage 6 200 Amps 54 Volts Max DC K2629 1 AC DC 1855 4 RECOMMENDED INPUT WIRE AND FUSE SIZES FOR MAXIMUM RATED OUTPUT INPUT PE S SO ST STO E VOLTAGE FREQUENCY HARD USAGE INPUT CORD AWG OR FUSE SIZE AMPS HZ 115 50 60 230 50 60 PHYSICAL DIMENSIONS Weight Approx 38 lbs 17 kgs TEMPERATURE RANGES OPERATING TEMPERATURE RANGE STORAGE TEMPERATURE RANGE 20 C to 40 C 50 C to 85 C Note Refer to RECONNECT PROCEDURE Table A 1 for Input Voltage Operating Range V205 T DC amp V205 T AC DC LINCOLN 8 A 2 INSTALLATION A 2 Read entire installation section before starting installation Safety Precautions A WARNING ELECTRIC SHOCK can kill Only qualified personnel should per form this installat
50. nly A WARNING o ELECTRIC SHOCK can kill e Have an electrician install and service this equipment Turn the input power off at the fuse box dis connect or unplug supply lines and allow machine to sit for five minutes minimum to allow the power capacitors to discharge before working inside this equipment Do not touch electrically hot parts Connect the shielding gas typically argon using a appropriate regulator Connect the foot amptrol torch and work lead to the power source With the work cable connected to a properly grounded work piece turn the power source on The Invertec V205 T AC DC TIG is ready to AC TIG weld with the following features AC TIG Trigger Mode in 2 step mode Local control Pulser off AC Square Wave AC Balance 65 EN AC Frequency 100HZ Pre Flow 5sec Post Flow 5 sec High Freq Start Change from Local to Remote control by pushing front panel push button Set the maximum output current desired using the Output Control Initiate the arc by closing the arc start switch The Amptrol will control the output current from 10 amps to current level set by Output Control To change the AC Frequency press and hold the Parameter button for 3 seconds The AC Frequency is now selected and can be varied by the Output Control The frequency is displayed on the digital meter After about 5 seconds the power source will switch back to the welding mode read
51. o TV and electronic equipment interference problems These problems may be the result of radiated interference Proper grounding methods can reduce or eliminate radiated interference The Invertec V205 T DC amp V205 T AC DC have been field tested under recommended installation condi tions It complies with FCC allowable limits for radia tion Radiated interference can develop in the following four ways 1 Direct interference radiated from the welder 2 Direct interference radiated from the welding leads 3 Direct interference radiated from feedback into the power lines 4 Interference from re radiation of pickup by ungrounded metallic objects Keeping these contributing factors in mind installing equipment per the following instructions should mini mize problems 1 Keep the welder power supply lines as short as possible and enclose as much of them as possible in rigid metallic conduit or equivalent shielding for a distance of 50 feet 15 2m There should be good electrical contact between this conduit and the welder case ground Both ends of the conduit should be connected to a driven ground and the entire length should be continuous 2 Keep the work and electrode leads as short as possible and as close together as possible Lengths should not exceed 25 ft 7 6m V205 T DC 4 V205 T AC DC LINCOLN 8 A 3 INSTALLATION A 3 3 Be sure the torch and work cable rubber cover ings are free of cuts a
52. ode is confirmed by a center 0 on set by Invertec V205 T DC amp V205 T AC DC are the Digital display Item 6 restored To exit the Set Up Menu return to 0 and press the Setup Parameter Push Button INDICATOR PARAMETER DEFAULT 0 ExdtFromSetUp 2 2 PreFlowTime 0 25secods O 5sec 3 Arc Force Soft Mode Percent above Peak Current for Stick only 0 10096 20 Hot Start Soft Mode Percent above Peak Current for Stick only 0 100 80 5 Arc Force Crisp Mode Pecent above Peak Current for Stick only 0 500 350 6 Hot Start Crisp Mode Percent above Peak Current for Stick only 0 500 15096 Setting the AC Wave Form AC DC model only 0 Sinusoidal 2 Square 1 Triangular 2 Square Off Disabled 1 Enable limits OCV to 12V 2 Enable limits OCV to 20V 3 Enable limits OCV to 30V Max Current Value with Remote Control 6 Amps Peak Current Peak Current NOTE Peak Current Max Weld Current can be limited by input SCH welding mode AC TIG waveform and AC TIG ar art Peace 05 T Toten Stat E 13 DC TIG Start Polarity O DC or 1 DC 2 Step Trigger Selection 0 Restart Disabled 1 Restart Enabled 4 Step Trigger Selection 0 Restart Disabled 1 Restart Enabled EMI AC TIG Start Power for AC TIG only on AC DC model This function sets the initial start energy limit Set this number to a higher setting than the factory default if needed to improve starting of large dia
53. on 5 Output Parameter Adjust Knob 6 Digital Display 7 Local Remote Button 8 Trigger Selection Button 9 Welding Process MODE Button 10 Electrode Connection Negative 11 Remote Control Connector eo INVERTEC V205 T AC DC 12 Electrode Connection Positive 13 Welding Parameter Drawing 14 VRD Voltage Reduction Device Status Light d b b 1 Input Voltage warning light green LED Access Welding Parameter Repeatedly pressing the Indicates that the machine is on and input voltage is Parameter button will step through the Welding within acceptable range Parameter waveform lights on the front panel Parameters which can be changed 2 Thermal Shutdown Light yellow LED Indicates Start Current thermal over load or output disabled for incorrect Upslope supply voltage Weld Current Peak Current e With the Yellow LED on and an alarm code Pulse Frequency blinking on Digital Display Item 6 see on Time Troubleshooting Section E Possible electrical Background Current problems the machine will not supply power at Downslope the output Finish Current If over heating occurs the Yellow LED will stay Postflow sec on until the machine has sufficiently cooled Leave There is a LED for each welding parameter When lit the power source on to allow the fan to cool the it has confirmed the mode or selection chosen unit Access the AC Frequency and AC Balanc
54. on and set for Remote Pulsing parameters selected by Parameter button and changed using Output Control Set the maximum output current desired using the Output Control Initiate the arc by closing the Foot Amptrol s arc start switch The Amptrol will control the output current from 10 amps to current level set by output control To change the Post Flow time repeatedly push the Parameter button until the Post Flow indicator light is on Adjust the Output control to the desired Post Flow time as indicated on digital display To change from High Frequency to Lift Start Refer to Set Up menu in Operation Section of this manual turn power source off Press and hold the Parameter button while the power source is turned on A 0 in the center of the digital display indicates the Set Up Menu is now active Rotate the Output Control until 10 is displayed Press the Parameter button again and rotate the Output Control until 1 is displayed Press the Parameter button to accept this setting Rotate the Output Control until 0 is displayed Press the para meter button to exit the Set Up Menu V205 T DC amp V205 T AC DC TIG LINCOLN C1 ACCESSORIES 1 OPTIONAL ACCESSORIES AND COMPATIBLE EQUIPMENT Factory Installed Twist Mate Cable Connectors 1 for Ground Clamp 1 Gas Pass through for Tig Torch Strap Packet Instruction Manual Field Installed K857 Remote Output Control For Sti
55. orkpiece An inert gas typically argon atmosphere protects the weld pool To avoid inclusions of tungsten in the joint the elec trode should not contact the workpiece For this rea son the arc is started through a Hi Freq generator For situations requiring no Hi Freq Touch Start Tig reduces the short circuit current to keep tungsten inclusions to the minimum To improve weld bead quality at the end of the weld it is important to carefully control the downslope of cur rent and ensure proper gas coverage over the weld FIGURE B 3 1 Workpiece 5 Flowmeter 2 Aller material 6 Pressure reducer 3 Non consumable electrode 7 Inert gas typically argon 4 Torch 8 Power source WELDING POLARITY DC Electrode Negative Polarity Direct Current Straight Polarity see FIGURE B 4 While Welding there is a continuous flow of electrons from the electrode to the workpiece This is the most used polarity ensuring limited wear of the electrode since the majority of the heat concen trates on the anode workpiece Narrow and deep welds are obtained with high travel speeds Most materials with the exception of aluminum and magnesium are welded with this polarity FIGURE B 4 8 V205 T DC 4 V205 T AC DC TIG LINCOLN B 8 OPERATION B 8 DC Electrode Positive Polarity Direct Current Reverse Polarity see Figure B 5 In this case there is a continuous flow of electrons from the wo
56. over fumo da zona respirat ria tesr APSMEBTESICLT Feu CORAVHELTIBELTFEL e manm e c EUR E e FH BK 28 18 e SSeS 2475 HAMAL 877 8 amp HHPI Ash 2414214 37 amp oe dui ay e CY jul jja yi aach Jaial e el uu Abt call us Turn power off before servicing Desconectar el cable de ali mentaci n de poder de la m quina antes de iniciar cualquier servicio e D branchez le courant avant l entre tien Strom vor Wartungsarbeiten abschalten Netzstrom v llig ff nen Maschine anhalten opere com as tampas removidas e Desligue a corrente antes de fazer servico e toque as partes el tricas nuas e X7TTLZA KR UAURBUD EF BRAT FE FTF e HENKE SHA AHS QL aLi uiu SE alil e Do not operate with panel open or guards off No operar con panel abierto o guardas quitadas N op rez pas avec les panneaux ouverts ou avec les dispositifs de protection enlev s e Anlage nie ohne Schutzgeh use oder Innenschutzverkleidung in Betrieb setzen e Mantenha se afastado das partes moventes opere com os paineis abertos ou guardas removidas e ID 0 8 CREATE e iX HRHITDO SUUS Se S MRK e do Gel tee OMAR jlgall l a Ja y e el S i di Spanish AVISO DE PRECAUCION French ATTENTION German WARNUNG
57. oxidating materials are typically used The mechan ical properties can also be improved through the use of silver TIPS FOR AC TIG WELDING AC DC model only AC Inverter TIG power sources offer two significant advantages over conventional Silicon Controlled Rectifier SCR transformer power sources OPERATION 1 B 9 The AC wave balance can be set to a higher per centage electrode negative which minimizes tung sten heating and erosion 2 The AC frequency can be varied to focus the arc Increasing the AC frequency above 60Hz will nar row the cone shape arc from the tungsten s tip Decreasing the AC frequency below 60Hz will broaden the cone shape arc from the tungsten s tip The two above benefits can be used to maintain a tight focus of the arc for precise heat control and tight joint access Because of the AC inverters abilities in these areas the following recommendations are made as a Starting point 2 Thoriated tungsten is recommended instead of the Pure tungsten that is normally recommended for AC welding Thoriated tungstens emit electrons easier and therefore will improve starting Sharpen the tungsten to a point Normally it 15 rec ommended to pre ball a pure tungsten when AC welding with a conventional power source However the AC inverter with it s extended AC bal ance control minimized tungsten heating thus allow ing for a pointed tungsten to be used Set the AC Balance control
58. ples renseignements sur la s ret voir le code Code for safety in welding and cutting CSA Standard W 117 2 1974 2 Dans le cas de travail au dessus du niveau du sol se prot ger PR CAUTIONS DE S RET POU R contre les chutes dans le cas ou on recoit un choc Ne jamais enrouler le c ble lectrode autour de n importe quelle partie LES MACHINES SOUDER Deg TRANSFORMATEUR ET A Un coup d arc peut tre plus s v re qu un coup de soliel REDRESSEUR donc a Utiliser un bon masque avec un verre filtrant appropri 1 ainsi qu un verre blanc afin de se prot ger les yeux du ray onnement de l arc et des projections quand on soude ou quand on regarde l arc Porter des v tements convenables afin de prot ger la peau de soudeur et des aides contre le rayonnement de l arc Prot ger l autre personnel travaillant proximit au soudage l aide d crans appropri s et non inflammables Des gouttes de laitier en fusion sont mises de l arc de soudage Se prot ger avec des v tements de protection libres de l huile tels que les gants en cuir chemise paisse pan talons sans revers et chaussures montantes Toujours porter des lunettes de s curit dans la zone de soudage Utiliser des lunettes avec crans lateraux dans les zones o l on pique le laitier LINCOLN 8 Relier la terre le chassis du poste conformement au code de l lectricit et aux recommendations du fabricant Le dispositif
59. rference prob lems INPUT CONNECTIONS Be sure the voltage phase and frequency of the input power is as specified on the rating plate located on the bottom of the machine A WARNING ELECTRIC SHOCK can kill Have a qualified electrician install and service this equipment Turn the input power OFF and unplug the machine from the receptacle before working on this equipment Allow machine to sit for 5 minutes minimum to allow the power capacitors to discharge before working inside this equipment Do not touch electrically hot parts Machine must be plugged into a receptacle that is grounded according to the National Electrical Code and local codes Do not remove or defeat the purpose of the power cord ground pin RECONNECT PROCEDURE The Invertec V205 T DC amp V205 T AC DC auto recon nect to either 115V or 230V supply This machine is capable of operating within the follow ing input voltage ranges Table A 1 TABLE A 1 NOMINAL ____ RANGE 115V 90 140V 208V 230V 184 276V Fuse the input circuit with time delay fuses or delay type circuit breakers Using fuses or circuit breakers smaller than recommended may result in nuisance shut offs from welder inrush currents even if not weld ing at high currents The Invertec Power Source is recommended for use on an individual branch circuit 1 Also called inverse time or thermal magnetic circuit breakers These circuit
60. rkpiece to the electrode The reverse polarity is used for welding alloys covered with a layer of refractory oxide With this polarity the electrode functions as anode and is subjected to a high degree of heat the workpiece is bombarded by positive ions sent from the electrode which break the surface oxide In Electrode Positive Polarity high currents cannot be used since they would cause an excessive wear of the electrode NOTE The Invertec V205 T DC amp V205 T AC DC cannot be used for Electrode Positive TIG welding without special adapters FIGURE B 5 D C Pulsed TIG see Figure B 6 The use of pulsed direct current allows better control of the weld pool during certain operating conditions When compared with traditional TIG welding per formed at the same average current pulsed welding results in a smaller heat affected zone which results in fewer deformations and reduced chance of cracking and gas entrapment Increasing the frequency constricts the arc increases stability and improves weld quality FIGURE B 6 DC TIG NOT PULSED t DC PULSED TIG A C Alternating Current AC DC model only see Figure B 7 Alternating Current welding is typically used for Tig welding aluminum and its alloys or magnesium The polarity alternates between Electrode Positive and Electrode Negative EN During the positive half wave the oxide is broken During the negative half wave the electrode cools the
61. rode reel welding head nozzle or semiautomatic welding gun are also electrically hot Always be sure the work cable makes a good electrical connection with the metal being welded The connection should be as close as possible to the area being welded Ground the work or metal to be welded to a good electrical earth ground Maintain the electrode holder work clamp welding cable and welding machine in good safe operating condition Replace damaged insulation Never dip the electrode in water for cooling Never simultaneously touch electrically hot parts of electrode holders connected to two welders because voltage between the two can be the total of the open circuit voltage of both welders When working above floor level use a safety belt to protect yourself from a fall should you get a shock Also see Items 6 c and 8 ARC RAYS can burn 4 a Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding Headshield and filter lens should conform to ANSI 287 standards 4 b Use suitable clothing made from durable flame resistant AUG 06 LINCOLN 8 material to protect your skin and that of your helpers from the arc rays Protect other nearby personnel with suitable non flammable screening and or warn them not to watch the arc nor expose themselves to the arc rays or to hot spatter or
62. s turned ON At this time the arc is started After the arc is started the output current will be increased from the start current to the welding cur rent Both the start current and increase or upslope time are presettable The default start current is 15 amps and the default upslope time is 0 2 seconds 2 Release the Arc Start Switch to stop welding The machine will now decrease the output current at a controlled rate or downslope time until the Finish current also commonly referred to as Crater Current is reached and the output of the machine is turned OFF Both the Downslope Time and the Finish Current are can be preset After the arc is turned OFF the gas valve will remain open to continue the flow of the shielding gas to the hot electrode and work piece The dura tion of this postflow shielding gas is adjusted by the Postflow Parameter Possible variations of this standard sequence is shown in 2 step diagram 2 It is possible to press and hold the TIG torch trigger a second time during downslope to restart After the trigger is pressed the output current will increase to the welding current This operation is shown in 2 step diagram 2 4 Step Sequence With the 4 step Selected the following welding sequence will occur 1 N 3 2 STEP DIAGRAM 1 1 2 DE OUTPUT CURRENT PRE FLOW POST FLOW GAS ON 2 STEP DIAGRAM 2 0 e e TORCH BUTTON OUTPUT oo CURRENT _
63. to maximum 85 elec trode negative This can be reduced if the material welded is heavily oxidized however starting at max imum and adjusting to less is desired Set the AC Frequency in the 100 to 120 Hz range This is a Sweet Spot for most aluminum applica tions GTAW Process Electrode Polarity DC AC Approximate Argon Electrode Tip Preparation Sharpened Sharpened Gas Flow Rate Electrode Type C F H I min EWTh 2 EWLa 1 EWTh 2 EWLa 1 Stainless Electrode Size in mm Aluminum Steel 010 0 25 Up to 15 A Up to 15 A 3 8 2 4 3 8 2 4 020 0 50 Up to 15 A Up to 20 A 5 10 3 5 5 10 3 5 040 1 0 Up to 80 A Up to 60 A 5 10 3 5 5 10 3 5 1 16 1 6 Up to 150 A Up to 130 A 5 10 3 5 9 13 4 6 3 32 2 4 Up to MAX A Up to MAX A 13 17 6 8 11 15 5 7 1 8 3 2 X X 15 23 7 11 11 15 5 7 Tungsten electrodes are classified as follows by the American Welding Society AWS 2 Thoria EWTh 2 red 1 5 Lanthana EWLa 1 black V205 T DC amp V205 T AC DC TIG LINCOLN B 10 PROTECTIVE GAS Both argon and helium work when welding aluminum Argon is preferred due to its lower cost and consump tion rate This gas also tends to stabilize the arc thus making it easy to operate For some applications however the use of helium or argon helium blends is recommended due to better weld penetration and faster trave
64. uipment To be installed or checked by an electrician or qualified person only In all cases the green or green yellow grounding wire must be connected to the grounding pin of the plug usu ally identified by a green screw Attachment plugs must comply with the Standard for Attachment Plugs and Receptacles UL498 The product is considered acceptable for use only when an attachment plug as specified is properly attached to the supply cord For use on engine drives keep in mind the above input draw restrictions and the following precaution ENGINE DRIVEN GENERATOR The Invertec V205 T DC amp V205 T AC DC can be operated on engine driven generators as long as the 230 volt auxiliary meets the following conditions The AC waveform peak voltage is below 400 volts The AC waveform frequency is between 45 and 65Hz The following Lincoln engine drives meet these condi tions when run in the high idle mode Ranger 250 250 LPG 305 G 305 D Vantage 300 400 500 amp Air Vantage 500 Some engine drives do not meet these conditions e g Miller Bobcats etc Operation of the Invertec V205 T AC DC is not recommended on engine drives not conforming to these conditions Such drives may deliver unacceptably high voltage levels to the Invertec power source Ranger and Vantage Engine Drives require the full KVA Adapter Kit K1816 1 V205 T DC 4 V205 T AC DC LINCOLN 8 A 5 OUTPUT CONNECTION
65. upport cylinder away from areas where it could be damaged Never allow the torch or welding electrode to touch the cylinder cylinder away from live electrical cir cuits REMOTE CONTROL CONNECTION A remote control receptacle is provided on the lower center case front of the welder for connecting a remote control to the machine Refer to the Optional Accessories section of this manual for available remote controls V205 T DC 4 V205 T AC DC LINCOLN 8 B 1 OPERATION B 1 Read and understand this entire section before operating your machine SAFETY INSTRUCTIONS WARNING ELECTRIC SHOCK can kill not touch electrically live parts such as output terminals electrode or internal wiring Insulate yourself from the work and ground Always wear dry insulating gloves FUMES AND GASES can be dangerous Keep your head out of fumes rd E Use ventilation or exhaust to remove fumes from breathing zone WELDING CUTTING and Ze GOUGING SPARKS can cause fire or explosion 27 Keep flammable material away Do not weld cut or gouge on containers that have held com bustibles ARC RAYS can burn ME Wear eye ear and body protection Only qualified personnel should operate this equipment Observe all safety information throughout this manual GENERAL DESCRIPTION The Invertec V205 T DC amp V205 T AC DC
66. y be purchased separately The accessories section of this manual lists a number of Lincoln Electric TIG torches and TIG Torch Starter Packs that are recommended for use with this machine however any similar TIG torch can be used To attach the Twist Mate Plug to a Lincoln Torch slide the rubber boot onto the torch cable enlarge the boot opening if necessary screw the fitting on the torch cable into the brass connector snugly and slide the boot back over the brass connec tor STRAIN RELIEF BOOT TIG ADAPTER RETAINING COMPOUND TIG TORCH POWER CABLE WITH GAS FITING OUTPUT CONNECTION FOR STICK WELDING FIGURE A 2 First determine the proper electrode polarity for the electrode to be used Consult the electrode data for this information Then connect the output cables to the output terminals corresponding to this polarity For instance for DC welding connect the electrode cable which is connected to the electrode holder to the output terminal and the work cable which is connected to the work clamp to the output termi nal Insert the connector with the key lining up with the keyway and rotate clockwise until the connection is snug Do not over tighten FIGURE A 2 WORK CABLE WORK CABLE STICK ELECTRODE HOLDER V205 T DC amp V205 T AC DC LINCOLN 8 A 6 INSTALLATION A 6 QUICK DISCONNECT PLUG FOR STICK ELEC TRODE CABLE and WORK CA
67. y to weld with the new selected AC Frequency OPERATION B 11 To change the AC Balance press and hold the Parameter button for 3 seconds AC Frequency is selected press the Parameter button again and AC Balance is selected Adjust the Output Control for the desired AC Balance After about 5 seconds the power source will switch back to the welding mode ready to weld with the new selected AC Balance To change the Post Flow time repeatedly push the Parameter button until the Post Flow indicator light is on Adjust the Output control to the desired Post Flow time as indicated on digital display V205 T DC amp V205 T AC DC TIG LINCOLN B 12 OPERATION DC TIG WELDING QUICK START UP A WARNING ae ELECTRIC SHOCK can kill Have an electrician install and service this equipment Turn the input power off at the fuse box dis connect or unplug supply lines and allow machine to sit for five minutes minimum to allow the power capacitors to discharge before working inside this equipment Do not touch electrically hot parts Connect up the shielding gas typically argon using an appropriate regulator Connect foot amptrol torch and work lead to power source With the Work cable connected to a properly ground ed work piece turn the power source on To change to DC TIG Welding Press Mode button to select DC TIG Press Trigger Mode button and set to 2 step Press Local Remote Mode butt

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