Circuit Diagram for Migmatic 273 400 VAC | Miller Electric 383, 271

Electric Shock Hazard			WARNING

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

273−Sept 27, 2006

Figure 6-2. Circuit Diagram for Migmatic 273 (400 VAC)

OM-223 194 Page 22

Image 26

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

Contents

Description OM-223 194E 2006−09Processes From Miller to You Table of Contents DecstatMilan6/05 DirectivesStandards Electric Shock can kill Symbol UsageArc Welding Hazards Fumes and Gases can be hazardous Flying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or kill California Proposition 65 Warnings Principal Safety Standards EMF Information − Definitions Electric shock can kill Do not move or operate unit Where it could tipFalling unit can cause injury Cylinders can expolde if Can kill Electrical shock from wiringWear approved safety Working on this machine − Installation Specifications Model Duty Cycle And OverheatingVolt-Ampere Curves Installing Gas Supply Installing Wire Spool and Adjusting Hub Tension 271 273 293 333 383 Positoning Jumper Links 230/400V 3-Phase ModelsElectrical Service Guide 230 400 L2 L3 Installing Drive Rolls and Wire Guide Aligning Drive Rolls and Wire Guide Threading Welding Wire and Adjusting Pressure Roll Tension Using Gun/Cable Holder Setting Gun Polarity for Wire Type Optional Controls for Migmatic 293/333 − OperationControls for Migmatic 271/273 Controls for Migmatic Run-In, Burnback Optional and Spot Weld Timer ControlsSpot Weld Timer Run-In Control Circuit Breaker CB1 − Maintenance &TROUBLESHOOTINGRoutine Maintenance Unit Overload Replace Z1 if necessary TroubleshootingCheck voltage switchs. Replace if necessary Nections. Check secondary voltages. Replace T1 if necessary OM-223 194 − Electrical Diagrams Circuit Diagram for Migmatic 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 − Parts List Wrapper Assembly, All Models 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 See Table Drive Roll & Wire Guide Kits Wire Drive and Gears 2 roll Wire Drive and Gears 4 roll 1.0 mm Drive Roll And Wire Guide Kits 2 Roll ModelsDrive Roll And Wire Guide Kits 4 Roll Models 1.2 mmPage Page Effective January 1 Transportation Department For assistance in filing or settling claims, contactYour distributor and/or equipment manufacturer’s