Miller Electric OM-229 038D manual Tools Needed = GND/PE Earth Ground

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B. 3-Phase

3

4

3

6

1

Tools Needed:

=GND/PE Earth Ground

7

2

L1
L2	5
L2
L3

YInstallation must meet all National and Local Codes − have only quali- fied persons make this installation.

YDisconnect and lockout/tagout in- put power before connecting input conductors from unit.

YAlways connect green or green/ yellow conductor to supply grounding terminal first, and never to a line terminal.

For Three-Phase Operation

1Input Power Cord.

2Disconnect Device (switch shown in the OFF position)

3Green Or Green/Yellow Grounding Conductor

4Disconnect Device Grounding Terminal

5Input Conductors (L1, L2 And L3)

6Disconnect Device Line Terminals

Connect green or green/yellow grounding conductor to disconnect device grounding terminal first.

Connect input conductors L1, L2, and L3 to disconnect device line terminals.

7 Over-Current Protection

Select type and size of over-current protection using Section 3-7(fused dis- connect switch shown).

Close and secure door on disconnect device. Remove lockout/tagout device, and place switch in the On position.

803 766-A

OM-229 038 Page 12

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Contents Processes OM-229 038D 2007−04Description From Miller to You Table of Contents Directives StandardsSymbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC 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 EMF Information Principal Safety StandardsAbout Pacemakers − Definitions Electric shock can killFalling unit can cause injury Weee Label Specifications − InstallationDuty Cycle And Overheating Volt-Ampere Curves Installing Gas SupplyModel Installing Wire Spool and Adjusting Hub Tension Positoning Jumper Links 230/400V 3-Phase ModelsElectrical Service Guide PhaseTools Needed = GND/PE Earth Ground Installing Drive Rolls and Wire Guide Drive RollThreading Welding Wire and Adjusting Pressure Roll Tension ScaleUsing Gun/Cable Holder Setting Gun Polarity for Wire Type Optional− Operation Burnback and Spot Weld Timer ControlsControls for Migmatic 221/253 − Maintenance &TROUBLESHOOTING Routine MaintenanceCircuit Breaker CB1 Unit OverloadTroubleshooting Trouble RemedyOM-229 038 − Electrical Diagrams Circuit Diagram for MigmaticCircuit Diagram for Migmatic 253 400 VAC − Parts List Wrapper Assembly, All ModelsPart Description Quantity Main Assembly for Migmatic Dia Part Mkgs Description Quantity Main Assembly for Migmatic Dia Part Quantity Mkgs Description 230V 400V Wire Diameter Drive Roll Wire Guide Drive Roll And Wire Guide Kits 2 Roll ModelsFraction Page Page Effective January 1 Owner’s Record ITW Welding Products Italy S.r.l. Via Privata Iseo, 6/E