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INVERTEC V300-PRO
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
MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED
THROUGHOUT. And, most
importantly, think before you act
and be careful.
Date of Purchase:
Serial Number:
Code Number:
Model:
Where Purchased:
• 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
™
For use with machines Code 10256 and 10257.
THIS
OPERATOR'S MANUAL
• World's Leader in Welding and Cutting Products •
IM526-B
December,1999
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Summary of Contents for Lincoln Electric INVERTEC IM526-B
- Page 1 INVERTEC V300-PRO For use with machines Code 10256 and 10257. 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.
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Page 2: Safety Precautions
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 4.f. 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 weld- ing area.
- Page 4 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.
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Page 5: Table Of Contents
TABLE OF CONTENTS Safety Precautions ...2-4 Introductory Information ...6 Product Description...7 Specifications...7 Installation ...7-10 Safety Precautions ...7 Location ...7 Electrical Installation...7 Input Voltage Setup ...8 Power Cord Connection ...8 Connection of Wire Feeders to Invertec ...8-10 Output Cables & Plugs ...10 Operating Instructions ...11-13 Safety Precautions ...11 Controls Description and Function...11-13... -
Page 6: Introductory Information
This statement appears where the information must be followed to avoid minor personal injury or damage to this equipment. for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product •••... -
Page 7: Product Description
PRODUCT DESCRIPTION The Invertec V300-PRO is a 300 amp arc welding power source that utilizes single or three phase input power to produce either constant voltage or constant current outputs. The V300-PRO is designed for 60 Hz supply systems. The welding response of the Invertec has been optimized for GMAW, SMAW, TIG and FCAW processes. -
Page 8: Input Voltage Setup
INPUT VOLTAGE SETUP CAUTION DO NOT ATTEMPT TO POWER THIS UNIT FROM THE AUXILIARY POWER SUPPLY OF AN ENGINE WELDER. • Special protection circuits may operate, causing loss of output. • The supply from engine welders often has exces- sive voltage peaks because the voltage waveform is usually triangular shaped instead of sinusoidal. - Page 9 remote control adapter and K857 remote control are required for remote output control). 5. Set the meter polarity switch on the rear of the Invertec to coincide with wire feeder polarity used. The wire feeder will now display the welding volt- age.
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Page 10: Output Cables & Plugs
LN-9 GMA Connection Instructions 1. Turn the Invertec power switch “off”. 2. Connect the K596 control cable assembly from the LN-9 GMA to the Invertec control cable connector. The control cable connector is located at the rear of the Invertec. 3. -
Page 11: Operating Instructions
OPERATING INSTRUCTIONS WARNING ELECTRIC SHOCK can kill. • Do not touch electrically live parts or electrode with skin or wet clothing. • Insulate yourself from work and ground. • Always wear dry insulating gloves. ------------------------------------------------------------------------ FUMES AND GASES can be danger- ous. - Page 12 CV FCAW This setting has been optimized for Innershield ® and Outershield electrodes. CV GMAW Short circuit, glob and spray transfer solid wire and gas welding are done in this mode. Low end procedures, less than 17V, may operate better in the FCAW mode.
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Page 13: Maintenance
Meter Polarity Switch The wire feeder polarity switch is located at the rear of the machine. The switch provides a work connection for wire feeder voltmeters. Place the switch in the position of the electrode polarity indicated by the decal. The switch does not change the welding polarity. -
Page 14: Periodic Maintenance
PERIODIC MAINTENANCE Overload Protection The machine is electrically protected from producing high output currents. Should the output current exceed 340-360A, an electronic protection circuit will reduce the current to approximately 150A. The machine will continue to produce this low current until the protection circuit is reset. -
Page 15: Troubleshooting Guide
TROUBLESHOOTING GUIDE Trouble Not output but fan operates and meter is on. Poor welding, weld settings drift, or output power is low. Main fuses open or Switch PC boards overheated. Output turns on momentarily then switches off and repeats. Machine is connected for 380 VAC or higher input voltage. -
Page 16: Test Procedures
TEST PROCEDURES Step Test Output pilot circuit 223A to 210 (set S4 on) 302 (pos) to 275D (neg) Protection PC 313 (neg) to 311 (pos) board output (set S4 on) Static capacitor Compare voltage across balance (set S4 terminals 9 & 12 of each off) Switch PC Board. - Page 17 Step Test Switch PC Board Terminals on Switch resistance test. PC Board: 1/8 (pos) to 12 (neg) No dynamic test 1/8 (neg) to is possible. 12 (pos) Remove leads 9 (pos) to 401/403, 1/8, 9, 4/5 (neg) 12, 4/5 and 402/404.
- Page 18 Step Test Snubber Lead 401 to terminal Resistors Disconnect leads 401, 402, 403 and Lead 402 to terminal 404 from Switch PC Board Lead 403 to terminal Lead 404 to terminal Output diodes + output plug (pos) - output plug (neg) Remove output load If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con-...
- Page 19 Step Test D13 Input 9 (pos) to H1 (neg) Rectifier 9 (pos) to A (neg) 9 (pos) to H5 (neg) 12 (neg) to H1 (pos) 12 (neg) to A (pos) 12 (neg) to H5 (pos) 9 (neg) to H1 (pos) 9 (neg) to A (pos) 9 (neg) to H5 (pos) 12 (pos) to H1 (neg)
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Page 20: Matched Parts
Matched Parts Certain parts must be replaced in matched sets. Matched sets are required in the following areas: Output diodes: D1, D2, D3, D4 and D5 Output diodes: D7, D8, D9, D10 and D11 Capacitor bleeder resistors: R1 and D9 Capacitors: C1 and C2 Capacitors: C1, C2, C14 and C15 (575 VAC only) Switch PC Board Repairs... -
Page 21: Replacement Of Power Modules And Output Diodes
Dow Corning 3140, 3145, 738, Columbus Adhesives 0172 or GE RTV-162 is recommended. Sealant may also be purchased from Lincoln Electric (order E2519 Silicone Rubber RTV Coating). Apply sealant after machine is repaired and tested. -
Page 22: Connection Diagrams
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Page 32: Wiring Diagrams
– – MAR97... - Page 33 – – MAR97...
- Page 34 NOTES INVERTEC V300-PRO & V300-I...
- Page 35 NOTES INVERTEC V300-PRO & V300-I...
- Page 36 NOTES INVERTEC V300-PRO & V300-I...
- Page 37 Address: Telephone: _______________________________________________ |_|_| |_|_| Exp Date Month BOOK DIVISION, The Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199 for fastest service, FAX this completed form to: 216-361-5901 Telephone: 216-383-2211 or, Titles: Price New Lessons in Arc Welding $5.00...
- Page 38 ● Do not touch electrically live parts or WARNING electrode with skin or wet clothing. ● Insulate yourself from work and ground. Spanish ● No toque las partes o los electrodos AVISO DE bajo carga con la piel o ropa moja- PRECAUCION ●...
- Page 39 ● ● Keep your head out of fumes. Turn power off before servicing. ● Use ventilation or exhaust to remove fumes from breathing zone. ● Los humos fuera de la zona de res- ● Desconectar el cable de ali- piración. mentación de poder de la máquina ●...
- Page 40 • 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...