Summary of Contents for Lincoln Electric IDEALARC CV500-I
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Operator’s Manual IDEALARC CV500-I ® For use with machines having Code Numbers: 10088; 10089; 10090; 10091; 10092; 10277; 10278; 10279; 11356; 11837 Register your machine: www.lincolnelectric.com/register Authorized Service and Distributor Locator: www.lincolnelectric.com/locator Save for future reference Date Purchased Code: (ex: 10859) Serial: (ex: U1060512345) IM481-C...
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.
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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”...
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SAFETY WELDING and CUTTING CYLINDER may explode SPARKS can if damaged. cause fire or explosion. 7.a. Use only compressed gas cylinders 6.a. Remove fire hazards from the welding area. containing the correct shielding gas for the If this is not possible, cover them to prevent process used and properly operating the welding sparks from starting a fire.
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SAFETY PRÉCAUTIONS DE SÛRETÉ 6. Eloigner les matériaux inflammables ou les recouvrir afin de prévenir tout risque dʼincendie dû aux étincelles. Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce 7.
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Electric for advice or information about their use of our products. We respond to our customers 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.
MEANINGS OF GRAPHIC SYMBOLS The CV 500-I nameplate has been designed to use international symbols in describing the function of the various components. Below are the symbols used. POWER ON-OFF SWITCH Input (Power) OUTPUT CONTROL DIAL Output Voltage Control (Export Model) Output Voltage Control (European Model) Increase / Decrease of Output Voltage OUTPUT CONTROL “LOCAL-REMOTE”...
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CIRCUIT BREAKER Circuit Breaker THERMAL PROTECTION LIGHT High Temperature VOLTMETER SWITCH Voltmeter Positive Electrode Negative Electrode – –...
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RATING PLATE Designates welder complies with National Electrical Manufacturers NEMA EW 1 Association requirements EW 1. (Export Model only) Designates welder complies with International Electrotechnical IEC 974-1 commission requirements 974-1. (European model only) Three Phase Power Transformer Rectifier Rectified DC Output Constant Voltage Characteristic Line Connection Shielded Metal Arc Welding Flux Cored Arc Welding...
GENERAL MACHINE DESCRIPTION MACHINE OUTPUT CONTROL SWITCH “LOCAL” OR “REMOTE” The CV 500-I is an SCR controlled three phase DC The machine output voltage can be controlled by power source. It is designed with a single range either the “OUTPUT CONTROL” on the machine con- potentiometer control.
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AUXILIARY POWER CONNECTIONS SOLID STATE OUTPUT CONTROL The power source is equipped to furnish nominally The output of the welder is electronically controlled by 115 volt AC and 42 volt AC auxiliary power for operat- SCRʼs instead of mechanical contactors, providing ing wire feeding equipment, etc.
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PARALLELING There are no provisions on the CV 500-I to permit par- alleling. DIODE OPTION (Factory installed only) The CV 500-I Diode option is required to utilize the cold start and cold electrode sensing features of the NA-3, NA-5 or NA-5R. When this option is not used with an NA-3, NA-5 or NA-5R, see the CV 500-I / NA-3, CV 500-I / NA-5 or CV 500-I / NA-5R connection diagram for instructions on how to disable this circuit.
INSTALLATION APPLICATION LIMITATIONS Safety Precautions There are no provisions on the CV 500-I for parallel- ing, and outdoor operations without rain sheltering is WARNING not recommended. ELECTRIC SHOCK can kill. • Do not touch electrically live parts or STACKING electrode with skin or wet clothing. •...
CAUTION REMOTE CONTROL ADAPTER CABLE (K864) Failure to follow these instructions can cause immedi- C A B L E R E C E P TA C L E ( 6 S O C K E T ) S T R A I G H T P L U G ( 1 4 P I N ) ate failure of components within the machine.
Refer to “115VAC and 42VAC Auxiliary Power and Control Connections” section for connector pin functions. A cover (Lincoln Electric Part Number S17062-3) is available for the unused 14-pin connector to protect it against dirt and moisture. For control cable with terminal strip connectors:...
OPERATING INSTRUCTIONS POWER SOURCE OPERATION Safety Precautions Duty Cycle and Time Period WARNING The CV 500-I is rated at the following duty cycles: ELECTRIC SHOCK can kill. • Have an electrician install and service this equipment. Duty Cycle* Amps Volts • Turn the input power off at the fuse box before working on equipment.
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OUTPUT CONTROL “LOCAL-REMOTE” SWITCH FRONT VIEW OF 14-PIN CONNECTOR RECEPTACLE The Output Control toggle switch on the control panel labeled “Local-Remote” gives the operator the option K = 4 2 A = 3 2 J = 3 1 of controlling the output at the machine control panel or at a remote station.
220 VAC AUXILIARY POWER FOR WATER COOLER MAINTENANCE WARNING A Continental European receptacle (220V Schuko type) is located on the rear panel for supplying ELECTRIC SHOCK can kill. 220VAC to a water cooler. A 2 amp circuit breaker • Have an electrician install and service which is also located on the rear panel protects this this equipment.
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.
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TROUBLESHOOTING GUIDE Trouble Cause What To Do 1. Faulty input contactor (CR1). 1. Repair or replace. Input contactor (CR1 chatters). 2. Check input power. 2. Low line voltage. 1. Replace if blown - look for reason 1. Supply line fuse blown. Machine input contactor does not first.
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Trouble Cause What To Do Machine has low output and no con- 1. Output Control “Local-Remote” 1. Check position of switch. trol. switch (S2) in wrong position. 2. Output Control switch faulty. 2. Check switch and replace if faulty. 3. Open in feedback circuitry. 3.
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Trouble Cause What To Do Output control not functioning on 1. Output Control switch in wrong 1. Place switch in “Remote”. “Remote” control. position. 2. Faulty Output Control switch. 2. Check and replace if found faulty. 3. Faulty remote control poten- 3.
Procedure for Replacing PC Boards CHECKING SNUBBER PC BOARD WARNING In case of an SCR malfunction or failure, the Snubber PC Board should be checked. Turn the machine off ELECTRIC SHOCK can kill. and remove the sides of the machine. Board is mount- •...
REMOTE CONTROL CHECK resistance in both directions. An open diode will have an infinite or high resistance in both direc- Disconnect the remote output control and connect an tions and a good diode will have a low resistance ohmmeter across 75 and 76 and rotate the rheostat in in Step b.
T W I S T - M A T E W E L D I N G C A B L E P L U G I N S T A L L A T I O N I N S T R U C T I O N S T U R N T H E P O W E R S W I T C H O F T H E W E L D I N G P O W E R S O U R C E "...
POWER RECTIFIER BRIDGE DIAGRAM 1 PLUG TO SNUBBER BOARD ANODE To (+) side of capacitor bank CATHODE ANODE SCR1 SCR2 SCR3 GATE CATHODE SHUNT Gate leads plug to Control P.C. board To plug To T1 main transformer – –...
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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 •...
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Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or • • • WARNING Use ventilation or exhaust to guards off. • remove fumes from breathing zone. Spanish Los humos fuera de la zona de res- •...
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