Lincoln Electric INVERTEC V205-T AC/DC TIG Operator's Manual
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Lincoln Electric INVERTEC V205-T AC/DC TIG Operator's Manual

Lincoln electric welder user manual
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INVERTEC V205-T AC/DC TIG
October, 2004
10860
For use with machines having Code Numbers:
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
Copyright © 2004 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

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Summary of Contents for Lincoln Electric INVERTEC V205-T AC/DC TIG

  • Page 1 RETURN TO MAIN MENU IM728 ® INVERTEC V205-T AC/DC TIG October, 2004 10860 For use with machines having Code Numbers: 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 ...

  • Page 2: California Proposition 65 Warnings

    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.

  • Page 3: Electric Shock Can Kill

    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.
  • Page 4 WELDING 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.
  • Page 5 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 L’Arc 1. Protegez-vous contre la secousse électrique: a.
  • Page 6 The code number is especially important when identifying the correct replacement parts. - 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.

  • Page 7: Table Of Contents

    Installation...Section A Technical Specifications ...A-1 Select Suitable Location ...A-2 Stacking...A-2 Tilting ...A-2 Environmental Area ...A-2 Machine Grounding and High Frequency Interference Protection ...A-2 Input Connections ...A-3 Reconnect Procedure...A-3 230V Input ...A-4 115V Input ...A-4 Attachment Plug Installation, Engine Driven Generator ...A-4 Output Connections...A-5 Output and Gas Connection for Tig Welding...A-5 Work Cable Connection ...A-5...

  • Page 8: Installation

    TECHNICAL SPECIFICATIONS - V205-T AC/DC TIG K1855-1 (Code Number 10860) Input Voltages / 50 /60 Hz. Duty Cycle (115V) 35% 100% (115V) 40% 100% (230V) 35% 100% (230V) 40% 100% Output Current Range 6-200 Amps RECOMMENDED INPUT WIRE AND FUSE SIZES FOR MAXIMUM RATED OUTPUT INPUT VOLTAGE / FREQUENCY...

  • Page 9: Select Suitable Location

    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).

  • Page 10: Input Connections

    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) A metal underground water pipe in direct con- tact with the earth for ten feet or more.

  • Page 11: 230V Input

    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 AC/DC performs best when con- nected 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 AC/DC with a 115V input...

  • Page 12: Output Connections

    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.

  • Page 13: Quick Disconnect Plug

    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.

  • Page 14: Operation

    Read and understand this entire section before operating your machine. SAFETY INSTRUCTIONS WARNING 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. •...

  • Page 15: Rear Control Panel

    Arc Start Switch or Foot Amptrol) * The welder is connected to the supply even if the “l1” (Power Switch) is in the "O" (Off) position, and there- fore there are electrically live parts inside the power source.

  • Page 16: Set Up Menu"

    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. 1. Input Voltage warning light green LED - Indicates that the machine is on and input voltage is within acceptable range.
  • Page 17 5. Output / Parameter Adjust Knob- Allows you to continuously adjust the current both in TIG and in Stick welding. Allows you to change the value, shown on "Digital Display Item 6", of the parameter selected with "Setup/Parameter select button Item 4". 6.
  • Page 18 3. 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.

  • Page 19: Set Up Menu

    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;...

  • Page 20: Output Limitations

    OUTPUT LIMITATIONS The maximum output current as specified in the instal- lation section of this manual is derated in two situa- tions; alternate AC Wave Forms and elevated AC Frequencies. • Alternate AC Wave Forms (See Set Up Menu) Square 200 amps max.

  • Page 21: Dc Electrode Positive Polarity

    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 anode and is subjected to a high degree of heat;...

  • Page 22: Steel Tig Welding

    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.

  • Page 23: Protective Gas

    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 travel speed.

  • Page 24: Dc Tig Welding Quick Start Up

    B-11 DC TIG WELDING QUICK START UP WARNING 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.

  • Page 25: Optional Accessories And Compatible Equipment

    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.

  • Page 26: Maintenance

    SAFETY PRECAUTIONS WARNING ELECTRIC SHOCK • 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.

  • Page 27: Troubleshooting

    HOW TO USE TROUBLESHOOTING GUIDE 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.
  • Page 28 Observe all Safety Guidelines detailed throughout this manual PROBLEMS (SYMPTOMS) PROBLEMS IN STICK WELDING Excessive spatter Craters Inclusions Insufficient penetration Sticking Porosity Cracks If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
  • Page 29 Observe all Safety Guidelines detailed throughout this manual PROBLEMS (SYMPTOMS) PROBLEMS IN TIG WELDING Oxidation Tungsten inclusions Porosity Hot cracking If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
  • Page 30 PLAY" • Welding circuit Inductance too high. 6. E20, E24, or E25 Flashing on "DIGITAL DISPLAY" • Internal memory errors. (Contact your local Lincoln Electric Authorized Service Facility.) CAUTION V205-T AC/DC TIG RECOMMENDED COURSE OF ACTION If all recommended possible areas of...

  • Page 31: Wiring Diagram

    WIRING DIAGRAMS...
  • Page 32 NOTES V205-T AC/DC TIG...
  • Page 33 NOTES V205-T AC/DC TIG...
  • Page 34 ● WARNING ● Spanish ● AVISO DE PRECAUCION ● French ● ATTENTION ● ● German WARNUNG ● Portuguese ● ATENÇÃO ● Japanese Chinese Korean Arabic ● ● ● ● ● ● ● ● ● ●...
  • Page 35 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Spanish ● PRECAUCION French ● ATTENTION ● German WARNUNG Portuguese ● ● Japanese Chinese Korean Arabic WARNING AVISO DE ATENÇÃO...
  • Page 36 • 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...

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