Miller Electric NT 456 CV manual Electrical Diagram, Circuit Diagram For NT 456 CC/CV Models

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SECTION 7 − ELECTRICAL DIAGRAM

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Figure 7-1. Circuit Diagram For NT 456 CC/CV Models

OM-2243 Page 27

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Contents File Multiprocess OM-2243212 113TProcesses DescriptionFrom Miller to You Table of Contents Page HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can killFlying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionMoving Parts can cause injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injuryAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationUNE Décharge Électrique peut entraîner la mort Symboles utilisésLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLO- SionLES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLE Soudage À L’ARC risque de provoquer des interférences Information EMF Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-2243 − Definitions Nameplate Safety SymbolsSpecifications − InstallationDuty Cycle And Overheating 100 200 300 400 500 600 CC ModeCV Mode Volt-Ampere CurvesMovement Location Selecting a LocationDimensions Dimensions And WeightsWeight VAC Receptacle And Circuit Breakers Be careful when placing or moving unit over uneven surfacesTurn Off power before connecting to receptacle TippingWeld Output Terminals And Selecting Cable Sizes Connecting Weld Output CablesSocket Connecting Remote ControlTurn off power before con Remote 14 Receptacle InformationPlacing Jumper Links Electrical Service Guide= GND/PE Earth Ground Connecting Input PowerWelding Power Source Input Power Connections Disconnect Device Input Power Con- nectionsControls − OperationMeter Functions For CC/CV Models Touch Seconds Do not Strike Like a Match Lift-Arc TIG Procedure For CC/CV ModelsDisconnect input power be- fore opening rear access door − Maintenance & TroubleshootingRoutine Maintenance Disconnect power before maintainingVoltmeter/Ammeter Help Displays HE.LTrouble Remedy TroubleshootingCircuit Diagram For NT 456 CC/CV Models − Electrical DiagramMain Assembly − Parts ListTHERMISTOR, NTC 10K OHM @ 25 DEG C 34IN Lead 14 12 274 Panel, Front With ComponentsPanel, Front With Components -1Item IGBT/Capacitor Assembly 221 IGBT/Capacitor Assembly -1itemPanel, Rear With Components Your distributor also gives ServiceSupport Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact