Miller Electric Inverter Rack manual Welding Power Source Input Power Connections

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3-5. Welding Power Source Input Power Connections

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Side View

Tools Needed:

YDisconnect input power to rack before working on wiring for any welding power source.

Have only qualified persons make this instal- lation.

1 Control Box

Open access door on front of control box.

2Strain Relief Connector

3Welding Power Source Input Power Cord

Each welding power source location on the

rack is numbered. The numbers on the con- trol box access door refer to the similarly lo- cated strain relief connectors and circuit breakers inside the control box. Insert power cord into strain relief with number matching location of welding power source on rack.

4Grounding Conductor − Green Or Green With Yellow Stripe(s)

5Grounding Terminal

Install grounding conductor to grounding terminal.

Ref. ST-801 703 / ST-801 699

6Input Conductors

7Power Circuit Breaker Terminals

.When installing conductors from the welding power source, torque the Power circuit breaker terminals and grounding terminal to 40 in-lbs (4.5 N·m).

Install input conductors from welding power source to Power circuit breaker nearest entry for input conductors.

Tighten strain relief connector. Close and se- cure access door.

OM-818 Page 12

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Contents Processes OM-818Description From Miller to You Table of Contents Page Symbol 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 Identifie un message de sécurité particulier − Consignes DE Sécurité − À Lire Avant UtilisationLE Soudage peut causer un incen- die ou une explosion LES Particules Projetées peu- vent blesser les yeuxLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Bruit peut affecter l’ouïeRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut Faire LES Pièces Mobiles peuvent cau- ser des blessuresInformation sur les champs électromagnétiques Principales normes de sécuritéConsignes relatives aux stimulateurs cardiaques Specifications For Racks Used With XMT 304/EX 300 Models RackSelecting a Location Dimensions And WeightMovement For XMT 304/EX 300 Models Installing Welding Power Source Onto RackFor XMT 456 and Invision 456 Models Welding Power Source Input Power Connections Input Conductors Power Circuit Breaker TerminalsSelecting Cable Sizes ARC Welding can cause Electromagnetic InterferenceCommon Work Connections Securely cover connection with proper insulating material Paralleling Welding Power Sources For SmawPosition of the welding cable connec- tors while welding Connecting Input Power To Rack Electrical Service Guide For XMT 304 4-Racks Electrical Service Guide For XMT 304/EX 300 6-Racks− Maintenance & Troubleshooting Troubleshooting Overload Protection− Electrical Diagrams 184 139-B − Parts List Service SupportOwner’s Record Miller Electric Mfg. Co