Miller Electric 383, 271, 293, 333, 273 manual L2 L3

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3-8. Selecting a Location and Connecting Input Power (1-Phase and 3-Phase)

Have only qualified persons make this installation.

1 Rating Label

Supply correct input power.

18 in (457 mm) for airflow

GND/PE	L1	L2	GND/PE	L1	L2 L3
Connect First			Connect First
1-Phase Primary Connection			3-Phase Primary Connection

1

OM-223 194 Page 12

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Contents Processes OM-223 194E 2006−09Description From Miller to You Table of Contents Standards DirectivesDecstatMilan6/05 Symbol Usage Arc Welding HazardsElectric Shock can kill Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings Principal Safety Standards EMF Information− Definitions Electric shock can killWhere it could tip Falling unit can cause injuryDo not move or operate unit Cylinders can expolde ifElectrical shock from wiring Wear approved safetyCan kill Working on this machine− Installation SpecificationsVolt-Ampere Curves Duty Cycle And OverheatingModel Installing Gas Supply Installing Wire Spool and Adjusting Hub TensionPositoning Jumper Links 230/400V 3-Phase Models Electrical Service Guide271 273 293 333 383 230 400L2 L3 Installing Drive Rolls and Wire Guide Aligning Drive Rolls and Wire GuideThreading Welding Wire and Adjusting Pressure Roll Tension Using Gun/Cable Holder Setting Gun Polarity for Wire Type OptionalControls for Migmatic 271/273 − OperationControls for Migmatic 293/333 Run-In, Burnback Optional and Spot Weld Timer Controls Spot Weld TimerControls for Migmatic Run-In Control− Maintenance &TROUBLESHOOTING Routine MaintenanceCircuit Breaker CB1 Unit OverloadTroubleshooting Check voltage switchs. Replace if necessaryReplace Z1 if necessary Nections. Check secondary voltages. Replace T1 if necessaryOM-223 194 − Electrical Diagrams Circuit Diagram for MigmaticCircuit 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 ModelsPart 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 rollWire Drive and Gears 4 roll Drive Roll And Wire Guide Kits 2 Roll Models Drive Roll And Wire Guide Kits 4 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