218 081-F

OM-2252 Page 29

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Miller Electric NT 450, NT 500 manual 218 081-F

Contents

Processes OM-2252218 084RDescription File Multiprocess Welding From Miller to You Table of Contents Page Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burns ARC Rays can burn eyes and skin Fumes and Gases can be hazardousWelding can cause fire or explosion Flying Metal or Dirt can injure eyes Fire or Explosion hazard Welding Wire can cause injuryFalling Unit can cause injury Moving Parts can cause injury California Proposition 65 Warnings Principal Safety StandardsEMF Information About Implanted Medical Devices UNE Décharge Électrique peut entraîner la mort Symboles utilisés DES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion LES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU D’EXPLO- Sion LA Chute DE L’APPAREIL peut blesser Proposition californienne 65 Avertissements LES Fils DE Soudage peuvent provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécurité Information EMFEn ce qui concerne les implants médicaux OM-2252 − Definitions General Precautionary Label Input Connection Label Nameplate Safety SymbolsElectric Shock And Airflow Label ? a − Installation SpecificationsDuty Cycle And Overheating CV Mode CC ModeVolt-Ampere Curves 100 200 300 400 500 600 Movement Selecting a Location460 mm 460 mm OM-2252 Dimensions Dimensions And WeightsWeight 376 lb 171 kg Holes EFront Turn Off power before connecting to receptacle Do not move or operate unit where it could tipTipping VAC Receptacle And Circuit Breakers Weld Output Terminals And Selecting Cable Sizes Connecting Weld Output Cables Turn off power before con Connecting Remote ControlRemote 14 Receptacle Information Socket Placing Jumper Links Electrical Service Guide Welding Power Source Input Power Connections Connecting Input PowerDisconnect Device Input Power Connec- tions = GND/PE Earth Ground Controls − Operation Meter Functions For CC/CV Models Lift-Arc TIG Procedure For CC/CV Models Routine Maintenance − Maintenance & TroubleshootingDisconnect power before maintaining Disconnect input power be- fore opening rear access door Voltmeter/Ammeter Help Displays Help 3 DisplayHelp 7 Display Trouble Remedy Troubleshooting Work like a Pro Circuit Diagram For Dimension NT − Electrical Diagram 218 081-F Main Assembly − Parts List THERMISTOR, NTC 10K OHM @ 25 DEG C 34IN Lead 264 Panel, Front With Components Panel, Front With Components -1Item IGBT/Capacitor Assembly 221 IGBT/Capacitor Assembly -1item Panel, Rear With Components Page Work like a Pro Service Your distributor also givesSupport Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s