Electrical Diagrams | Miller Electric 271, 383, 293, 333, 273

SECTION 6 − ELECTRICAL DIAGRAMS

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.

271−Sept 27, 2005

Figure 6-1. Circuit Diagram for Migmatic 271

OM-223 194 Page 21

Image 25

Miller Electric 271, 383, 293, 333, 273 manual Electrical Diagrams, Circuit Diagram for Migmatic

Contents

Processes OM-223 194E 2006−09Description From Miller to You Table of Contents Standards DirectivesDecstatMilan6/05 Arc Welding Hazards Symbol UsageElectric Shock can kill Fumes and Gases can be hazardous Welding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or kill California Proposition 65 Warnings EMF Information Principal Safety Standards Electric shock can kill − Definitions Falling unit can cause injury Where it could tipDo not move or operate unit Cylinders can expolde if Wear approved safety Electrical shock from wiringCan kill Working on this machine Specifications − Installation Volt-Ampere Curves Duty Cycle And OverheatingModel Installing Wire Spool and Adjusting Hub Tension Installing Gas Supply Electrical Service Guide Positoning Jumper Links 230/400V 3-Phase Models271 273 293 333 383 230 400 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 Controls for Migmatic 271/273 − OperationControls for Migmatic 293/333 Spot Weld Timer Run-In, Burnback Optional and Spot Weld Timer ControlsControls for Migmatic Run-In Control Routine Maintenance − Maintenance &TROUBLESHOOTINGCircuit Breaker CB1 Unit Overload Check voltage switchs. Replace if necessary TroubleshootingReplace Z1 if necessary Nections. Check secondary voltages. Replace T1 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 Drive Roll And Wire Guide Kits 4 Roll Models Drive Roll And Wire Guide Kits 2 Roll Models1.0 mm 1.2 mmPage Page Effective January 1 Your distributor and/or equipment manufacturer’s For assistance in filing or settling claims, contactTransportation Department