Lincoln Electric INVERTEC V275-S Operator's Manual
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Lincoln Electric INVERTEC V275-S Operator's Manual

Using up to 7/32 in. (5.5 mm) diameter electrode
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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.
• 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
RETURN TO MAIN MENU
INVERTEC V275-S
10993, 11001,11164, 11165, 11224
11225, 11267 & 11268
OPERATOR'S MANUAL
• World's Leader in Welding and Cutting Products •
™
Copyright © 2006 Lincoln Global Inc.
IM802-B
April, 2006

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  • Page 1 RETURN TO MAIN MENU IM802-B ™ INVERTEC V275-S April, 2006 10993, 11001,11164, 11165, 11224 For use with machines having Code Numbers: 11225, 11267 & 11268 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

    SAFETY ARC RAYS can burn. ELECTRIC SHOCK can 4.a. Use a shield with the proper filter and cover kill. plates to protect your eyes from sparks and 3.a. The electrode and work (or ground) circuits the rays of the arc when welding or observing are electrically “hot”...
  • Page 4 SAFETY WELDING SPARKS can CYLINDER may explode cause fire or explosion. if damaged. 6.a. Remove fire hazards from the welding area. 7.a. Use only compressed gas cylinders If this is not possible, cover them to prevent containing the correct shielding gas for the the welding sparks from starting a fire.
  • Page 5 SAFETY 5. Toujours porter des lunettes de sécurité dans la zone de PRÉCAUTIONS DE SÛRETÉ soudage. Utiliser des lunettes avec écrans lateraux dans les zones où l’on pique le laitier. Pour votre propre protection lire et observer toutes les instruc- tions et les précautions de sûreté...
  • Page 6 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.

  • Page 7: Table Of Contents

    Filter Capacitor Conditioning .................D-2 Location of Maintenance Components ..............D-3 ________________________________________________________________________________ Troubleshooting ....................Section E Safety Precautions....................E-1 PC Board Troubleshooting Procedures ..............E-2 Troubleshooting Guide................E-3 thru E-7 ________________________________________________________________________________ Wiring Diagrams and Dimension Print .............Section F ________________________________________________________________________________ Parts Pages ....................P-476 Series ________________________________________________________________________________ INVERTEC V275-S...

  • Page 8: Installation

    INSTALLATION Technical Specifications - Invertec V275-S INPUT AT RATED OUTPUT - THREE PHASE ONLY INPUT VOLTS-Hz OUTPUT INPUT IDLE EFFICIENCY CONDITIONS CURRENT POWER @ RATED OUTPUT AMPS 150W Max 200A@28V.100% 27/25/13/11 208/230/460/575V - 60Hz 250A@30V. 60% 34/33/17/14 275A@31V. 35% 38/37/19/16 200A@28V.100%...

  • Page 9: Safety Precautions

    • Do not touch electrically hot parts. INPUT CONNECTIONS • Be sure to discharge capacitors with the proce- The Invertec V275-S should be connected only by a dure outlined in the Maintenance Section of qualified electrician. Installation should be made in...

  • Page 10: Input Voltage Reconnect Procedure

    T H E L I N C O L N E L E C T R I C C O . C L E V E L A N D , O H I O U . S . A . S21230- Figure A.1 Input Voltage Reconnect Instructions INVERTEC V275-S...

  • Page 11: Output Connections

    1/0 (50mm up to 250 ft.(72m) 2/0 (70mm BRASS PLUG COPPER TUBE Slide rubber boot over brass plug. The rubber boot must be positioned to completely cover all electrical surfaces after the plug is locked into the receptacle. INVERTEC V275-S...

  • Page 12: Operation

    Read and understand this entire section before GENERAL DESCRIPTION operating your machine. The Invertec V275-S is a 275 amp arc welding power SAFETY PRECAUTIONS source that utilizes single or three phase input power, to produce constant current output. The welding...

  • Page 13: Controls And Settings

    160% of the set current or 275A whichever is larger then quickly reverts to the set current in 0.4 second. 4. MODE SWITCH CC -Stick (SMAW) Use this mode for all stick welding. Output energized when machine is on. INVERTEC V275-S...

  • Page 14: Constant Current Processes

    Thermostats are self-resetting once the machine cools suffi- TIG WELDING* ciently. The Invertec V275-S is capable of touch start TIG welding. An electrode cable, work cable, TIG torch, and gas supply with reg- ulator are required. Refer to Accessories section of this manu-...

  • Page 15: Accessories

    Twist-Mate Torch Adapter - For connection of PTA-9 or PTA-17V torches (1 piece cable) to power sources • Includes 8 Invertec V275-S rack model power without as passing through the Twist-Mate connec- sources. This special rack version has all the same tion.

  • Page 16: Maintenance

    Power Board. FIGURE D.1 — LOCATION OF INPUT FILTER CAPACITOR TERMINALS. POWER UPPER BOARD CAPACITOR TERMINALS LOWER CAPACITOR TERMINALS POWER RESISTOR INSULATED RIGHT SIDE OF MACHINE PLIERS INSULATED GLOVES INVERTEC V275-S...

  • Page 17: Routine Maintenance

    (See Figure D.2 for locations.) Meter reading should be 500,000 ohms or more. If meter reading is less than 500,000 ohms, check for electrical com- ponents that are not properly insulated from the case. Correct insulation if needed. 7. Replace machine cover and screws. INVERTEC V275-S...

  • Page 18: Location Of Maintenance Components

    FIGURE D.2 — LOCATION OF MAINTENANCE COMPONENTS. WRAP-AROUND CENTER ASSEMBLY COOLING FANS OUTPUT RECTIFIER ASSEMBLY CASE FRONT ASSEMBLY INPUT RECTIFIER CONTROL PC BOARD CASE BACK ASSEMBLY MAIN TRANSFORMER ASSEMBLY POWER SWITCH OUTPUT TERMINALS CHOKE ASSEMBLY SWITCH BOARD & HEAT SINK ASSEMBLY BASE INVERTEC V275-S...

  • Page 19: Troubleshooting

    HOW TO USE TROUBLESHOOTING GUIDE 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.

  • Page 20: Pc Board Troubleshooting Procedures

    “INSTALLED AND SWITCHED PC BOARDS TO VERIFY PROBLEM,” will help avoid - Tools which come in contact with the P.C. denial of legitimate PC board warranty claims. Board must be either conductive, anti-static or static-dissipate. INVERTEC V275-S...
  • Page 21 CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con- tact your local authorized field service facility for technical troubleshooting assistance before you proceed. INVERTEC V275-S...
  • Page 22 CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con- tact your local authorized field service facility for technical troubleshooting assistance before you proceed. INVERTEC V275-S...
  • Page 23 380VAC or manual. higher. CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con- tact your local authorized field service facility for technical troubleshooting assistance before you proceed. INVERTEC V275-S...
  • Page 24 3. Check for loose or faulty welding cables. CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con- tact your local authorized field service facility for technical troubleshooting assistance before you proceed. INVERTEC V275-S...
  • Page 25 CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con- tact your local authorized field service facility for technical troubleshooting assistance before you proceed. INVERTEC V275-S...
  • Page 26 ENHANCED WIRING DIAGRAM DIAGRAMS WIRING DIAGRAM- CODES: 10993, 11001 INVERTEC V275-S...

  • Page 27: Electrical Diagrams

    ELECTRICAL DIAGRAMS WIRING DIAGRAM- CODES: 11164, 11165, 11224, 11225, INVERTEC V275-S...
  • Page 28 ELECTRICAL DIAGRAMS WIRING DIAGRAM- CODES:11267, 11268 INVERTEC V275-S...
  • Page 29 DIAGRAMS INVERTEC V275-S...
  • Page 30 NOTES INVERTEC V275-S...
  • Page 31 NOTES INVERTEC V275-S...
  • Page 32 Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. WARNING electrode with skin or wet clothing. Insulate yourself from work and ground. Spanish No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el AVISO DE bajo carga con la piel o ropa moja-...
  • Page 33 Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or Use ventilation or exhaust to guards off. WARNING remove fumes from breathing zone. Spanish Los humos fuera de la zona de res- Desconectar el cable de ali- No operar con panel abierto o AVISO DE...
  • Page 34 • 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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