Electrical Diagrams | Miller Electric 280 NT instruction

SECTION 10 − ELECTRICAL DIAGRAMS

Figure 10-1. Circuit Diagram For Welding Generator Models

OM-4430 Page 42

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Miller Electric 280 NT manual Electrical Diagrams, Circuit Diagram For Welding Generator Models

Contents

Description OM-4430217 243RProcesses File Engine Drive From Miller to You Table of Contents − Maintenance & Troubleshooting Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can cause severe burns ARC Rays can burn eyes and skin Fumes and Gases can be hazardousBuildup of GAS can injure or kill Welding can cause fire or explosion Engine Hazards Compressed Air Hazards Fire or Explosion hazard Welding Wire can cause injuryHOT Parts can cause burns and injury Falling Unit can cause injury EMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings Radiation can cause interference UN Choc Électrique peut tuer Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation Indique des instructions spécifiques LES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion ’EXPLOSION DE LA Batterie peu LE Bruit peut affecter l’ouïeDES Organes Mobiles peuvent pro voquer des blessures ’AIR Comprimé peut provoquer des blessures LA Chaleur DU Moteur peut pro- voquer un incendieRisque D’INCENDIE OU D’EXPLO- Sion LES Fils DE Soudage peuvent provoquer des blessures LE Surchauffement peut endom- mager le moteur électriqueDES Organes Mobiles peuvent provoquer des blessures ’EMPLOI Excessif peut Information EMF Proposition californienne 65 AvertissementsPrincipales normes de sécurité En ce qui concerne les implants médicaux Symbol Definitions − Definitions Dimensions, Weights, and Operating Angles − SpecificationsWeld, Power, And Engine Specifications Description RPM Weld Dimensions For Units With Optional Running GearFuel Consumption While Welding And Using Generator Power 1800 RPM Generator Power Curve AC Amperes Duty Cycle TIG Mode Volt-Ampere Curves100% Duty Cycle at 280 Amperes DC/CC CC/DC Stick Mode Stick And MIG Mode Volt-Ampere CurvesCV/DC MIG Mode − Installation Installing Welding Generator Engine Prestart Checks Oil + − Connecting Or Replacing The BatteryReplacing The Battery Connect negative − cable last Tools Needed 1/2 Installing Exhaust PipeStop engine and let cool Failure to properly connect Connecting To Weld Output TerminalsStop engine Damage your machine Selecting Weld Cable Sizes Remote Receptacle Information − Operating Welding Generator Front Panel Controls Infrequently Description Of Engine Controls See SectionCold Weather Engine Operation Loaded Controlling Engine Speed And Weld/Generator Output Wire Position Process SwitchProcess Switch Settings Stick Positions Lift-Arc t TIG Stick Start Procedure − Scratch Start TechniqueTIG Lift-ArcStart Procedure TIG Electrode Workpiece Connect Remote Set Process Remote Voltage/Amperage ControlMin 20 a DC Stick Welding Only − Operating Auxiliary Equipment Hz Generator Power Receptacles And Supplementary ProtectorsControlling Engine Speed And Weld/Generator Power Output Extension cord Press button to reset. If supple Variable Frequency Hz Generator Power Receptacle RC3Rized Service Agent Current Available in Amperes Receptacle 100 − Maintenance & TroubleshootingRoutine Maintenance 200 Maintenance Label Servicing Air Cleaner Servicing Optional Spark Arrestor Changing Engine Oil, Oil Filter, And Fuel Filter Overload Protection Open left side door Welding TroubleshootingTrouble Remedy Check receptacle wiring and connections Hz Generator Power Receptacles RC1 And RC2Variable Frequency Generator Power Receptacle RC3 Necessary parts Check engine charging system according to engine manual Engine starts but stops when EngineEngine Od of time Recommended Spare Parts − Parts ListRecommended Spare Parts − Electrical Diagrams Circuit Diagram For Welding Generator Models 232 961-A Grounding Generator To Truck Or Trailer Frame − Generator Power GuidelinesSelecting Equipment Electrically Bond Generator Use ground device as stated in electrical codes Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Amperes x Volts = Watts Industrial Motors Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Farm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running Watts Single-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? KVA/HP x HP x 1000 / Volts = Starting Amperage Typical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible SOCKET/WRENCH Selection Table Standard Metric Welding Symbols Page Page Your distributor also gives ServiceSupport For assistance in filing or settling claims, contact To locate a Distributor or Service Agency visitMiller Electric Mfg. Co Your distributor and/or equipment manufacturer’s