Lincoln Electric 205-TAC/DCTIG manuale d’uso

INVER TEC V205-T DC & V205-T A C/DC TIG ® OPERA TOR’S MANUAL IM937 April, 2007 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 EQUI[...]

FOR ENGINE powered equipment. 1.a. Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors. ________________________________________________[...]

ii SAFETY ii ARC RA YS 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 Z87. I standards. 4. b . Use suitable clothing made from durable flame-resistant material to protect your sk[...]

FOR ELECTRICALL Y powered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working on the equipment. 8 . b . Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturerʼs recommendations. 8.c. Ground the equipment in accordance with the U.S. National Electrical[...]

iv SAFETY iv Mar. ʻ93 PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté Pour Soudage A LʼArc 1. Protegez-vous contre la secousse électrique: a. Les c[...]

v SAFETY v V205-T DC & V205-T AC/DC TIG EN 60974-10[...]

vi SAFETY vi V205-T DC & V205-T AC/DC TIG EN 60974-10:[...]

vii vii Thank You for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product ••• as much pride as we have in bringing this product to you! Read this Operators Manual completely before attempting to use this equipment. Save this manual and keep it handy for quick reference.[...]

viii viii T ABLE OF CONTENTS Page Installation ................................................................................................................... .... Section A Technical Specifications ....................................................................................................... A-1 Select Suitable Location ..............[...]

A-1 INST ALLA TION V205-T DC & V205-T AC/DC TIG A-1 Input Amps 34A 28A 20A 34A 25A 20A 30A 23A 19A 30A 18A 15A Type of Output DC (K2629-1) AC/DC (K1855-4) Output Amps Volts at Rated Amperes (Stick) 110 24.4V 90 23.6V 70 22.8V (TIG) 150 16V 120 14.8V 100 14V (Stick) 180 27.2V 150 26V 130 25.2V (TIG) 200 18V 170 16V 140 15.6V Maximum Open Circuit[...]

A-2 INST ALLA TION V205-T DC & V205-T AC/DC TIG A-2 MACHINE GROUNDING AND HIGH FRE- QUENCY INTERFERENCE PROTECTION The Capacitor Discharge Circuit used in the high fre- quency generator, may cause many radio, TV and electronic equipment interference problems. These problems may be the result of radiated interference. Proper grounding methods ca[...]

A-3 INST ALLA TION V205-T DC & V205-T AC/DC TIG A-3 3. Be sure the torch and work cable rubber cover- ings are free of cuts and 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[...]

A-4 INST ALLA TION V205-T DC & V205-T AC/DC TIG 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 ins[...]

A-5 INST ALLA TION V205-T DC & V205-T AC/DC TIG A-5 This unit does not include a TIG torch, but one may 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 [...]

A-6 INST ALLA TION V205-T DC & V205-T AC/DC TIG A-6 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. CYLINDER could explode if damaged. • Keep cyl[...]

B-1 OPERA TION V205-T DC & V205-T AC/DC TIG B-1 Read and understand this entire section before operating your machine. SAFETY INSTRUCTIONS ELECTRIC SHOCK can kill. • Do 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[...]

B-2 OPERA TION B-2 REAR CONTROL P ANEL (FIGURE B.1) • I1: Off/On switch turns on the electric power to the welder. It has two positions, "O" off, and "I" on. ------------------------------------------------------------------------ * With "l1" in the "I" (ON) position, the welding machine is operational and [...]

B-3 OPERA TION B-3 V205-T DC & V205-T AC/DC TIG 1 . Input Voltage warning light green LED - Indicates that the machine is on and input voltage is within acceptable range. 2. Thermal Shutdown Light (yellow LED) - Indicates thermal over load or output disabled for incorrect supply voltage. • With the "Yellow LED" on, and an alarm code[...]

B-4 OPERA TION 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 [...]

B-5 OPERA TION B-5 4. Release the TIG torch trigger. 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 operation is shown in (4 step diagram 1 ). Possible variations of this standard sequence are[...]

B-6 OPERA TION B-6 SET UP MENU Many additional parameters can be modified via the Set Up Menu. To access the Set Up Menu: • Position the ON/OFF switch to OFF “0”. • Depress and hold the Parameter select Push Button. • Position the On/Off switch to on "I" at the back of the machine; the input voltage light "Item 1" (gre[...]

B-7 OPERA TION B-7 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 (workpie[...]

A.C.- PULSED TIG B-8 OPERA TION 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 workpiece 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 anod[...]

1. 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 tungstenʼs tip. Decreasing the AC frequency below 60Hz will broaden the cone s[...]

B-10 OPERA TION 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[...]

B-11 OPERA TION B-11 AC TIG WELDING QUICK ST ART UP (AC/DC model only) 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 insi[...]

B-12 OPERA TION B-12 DC TIG WELDING QUICK ST ART UP 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. [...]

C-1 ACCESSORIES C-1 OPTIONAL ACCESSORIES AND COMP A TIBLE EQUIPMENT Factory Installed Twist-Mate Cable Connectors 1 – standard for Ground Clamp 1 – Gas Pass through for Tig Torch Strap Packet Instruction Manual Field Installed K857 - Remote Output Control - For Stick welding. When the V205-Tʼs Output Control is in the "REMOTE" positi[...]

D-1 MAINTENANCE D-1 V205-T DC & V205-T AC/DC TIG SAFETY PRECAUTIONS ELECTRIC SHOCK can kill. • 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 i[...]

E-1 TROUBLESHOOTING E-1 V205-T DC & V205-T AC/DC TIG 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[...]

E-2 TROUBLESHOOTING E-2 V205-T DC & V205-T AC/DC TIG Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your CAUTION PROBLEMS (SYMPTOMS) POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Excessive spatter Craters Inclusion[...]

E-3 TROUBLESHOOTING E-3 V205-T DC & V205-T AC/DC TIG Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your CAUTION PROBLEMS (SYMPTOMS) POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Oxidation Tungsten inclusions Poros[...]

E-4 TROUBLESHOOTING E-4 V205-T DC & V205-T AC/DC TIG Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your CAUTION PROBLEMS (SYMPTOMS) POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Machine fails to come on (Green LED[...]

F-1 WIRING DIAGRAMS F-1 NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number. V205[...]

WIRING DIAGRAM V205-T DC & V205-T AC/DC TIG F-2 F-2 V205-T A C/DC WIRING DIA GRAM FOR 11430 NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Se[...]

NOTES V205-T DC & V205-T AC/DC TIG[...]

NOTES V205-T DC & V205-T AC/DC TIG[...]

WA R N I N G A VISO DE PRECAUCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERST AND THE MANUF ACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES. SE RECOMIENDA LEER Y ENTENDER LAS INSTRUCCIONES DEL F ABRICANTE P ARA[...]

W ARNING AV I S O D E PRECAUCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic LEIA E COMPREENDA AS INSTRUÇÕES DO F ABRICANTE P ARA ESTE EQUIPAMENTO E AS P ARTES DE USO, E SIGA AS PRÁTICAS DE SEGURANÇA DO EMPREGADOR. ● Keep your head out of fumes. ● Use ventilation or exhaust to remove fumes [...]

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