Circuit Diagram for Migmatic 293 400 VAC | Miller Electric 271

Electric Shock

Hazard

WARNING

S Do not touch live electrical parts. S Disconnect input power or stop engine before servicing. S Do not operate with covers removed. S Have only qualified persons install, use, or service this unit.

293−Sept 27, 2006

Figure 6-3. Circuit Diagram for Migmatic 293 (400 VAC)

OM-223 194 Page 23

Image 27

Miller Electric 271, 383, 333, 273 manual Circuit Diagram for Migmatic 293 400 VAC

Contents

OM-223 194E 2006−09 ProcessesDescription From Miller to You Table of Contents Directives StandardsDecstatMilan6/05 Fumes and Gases can be hazardous Symbol UsageArc Welding Hazards Electric Shock can kill Buildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyes California Proposition 65 Warnings EMF Information Principal Safety Standards Electric shock can kill − Definitions Cylinders can expolde if Where it could tipFalling unit can cause injury Do not move or operate unit Working on this machine Electrical shock from wiringWear approved safety Can kill Specifications − Installation Duty Cycle And Overheating Volt-Ampere CurvesModel Installing Wire Spool and Adjusting Hub Tension Installing Gas Supply 230 400 Positoning Jumper Links 230/400V 3-Phase ModelsElectrical Service Guide 271 273 293 333 383 L2 L3 Aligning Drive Rolls and Wire Guide Installing Drive Rolls and Wire Guide Threading Welding Wire and Adjusting Pressure Roll Tension Setting Gun Polarity for Wire Type Optional Using Gun/Cable Holder − Operation Controls for Migmatic 271/273Controls for Migmatic 293/333 Run-In Control Run-In, Burnback Optional and Spot Weld Timer ControlsSpot Weld Timer Controls for Migmatic Unit Overload − Maintenance &TROUBLESHOOTINGRoutine Maintenance Circuit Breaker CB1 Nections. Check secondary voltages. Replace T1 if necessary TroubleshootingCheck voltage switchs. Replace if necessary Replace Z1 if necessary OM-223 194 Circuit Diagram for Migmatic − Electrical Diagrams Circuit Diagram for Migmatic 273 400 VAC Circuit Diagram for Migmatic 293 400 VAC Circuit Diagram for Migmatic 333 400 VAC Circuit Diagram for Migmatic 383 400 VAC Wrapper Assembly, All Models − Parts List Part Description Quantity Main Assembly for Migmatic Dia Part Description Quantity Mkgs Main Assembly for Migmatic Dia Part Description Main Assembly for Migmatic PL2 Main Assembly for Migmatic PL1 Main Assembly for Migmatic TP1 Wire Drive and Gears 2 roll See Table Drive Roll & Wire Guide Kits Wire Drive and Gears 4 roll 1.2 mm Drive Roll And Wire Guide Kits 2 Roll ModelsDrive Roll And Wire Guide Kits 4 Roll Models 1.0 mmPage Page Effective January 1 For assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’sTransportation Department