Miller Electric HF-251D-1, HF-251-2 manual Connecting Input Power

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3-8. Connecting Input Power

Y Read and follow entire Sec- tion 8 about HF equipment be- fore installing unit.

Y Direct Current (DC) will dam- age HF Unit. Connect unit only to Alternating Current (AC) supply. Do not cut grounding terminal off plug.

1 Grounded Receptacle

See Section 3-1for type of input power required.

2 Plug From Unit

Insert plug into receptacle.

1

2

Ref. 159 606-B / Ref. 149 354-A

OM-611 Page 14

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Contents

OM-611 ProcessesDescription From Miller to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers Identifie un message de sécurité particulier − Consignes DE Sécurité − À Lire Avant UtilisationLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Soudage peut causer un incen- die ou une explosionLES Particules Projetées peu- vent blesser les yeux LE Bruit peut affecter l’ouïe’EMPLOI Excessif peut Faire Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser LES Pièces Mobiles peuvent cau- ser des blessuresPrincipales normes de sécurité Information sur les champs électromagnétiquesConsignes relatives aux stimulateurs cardiaques − Installation SpecificationsTypical Process Connections Installing Gas Supply IN-GAS-OUTPower Source Plug Information And Connections Amperage ControlOperator Control Receptacle Information And Connections Operator Control Receptacle Socket InformationSocket Connecting To Weld Output Terminals Electrode Electrode OUT Work INPUT/OUTPUTConnecting Input Power − Operation High Frequency SwitchHigh Frequency Selector Switch ControlsHigh Frequency Intensity Control Power Switch And Pilot LightPostflow Timer Shielding Gas− Maintenance & Troubleshooting Routine Maintenance MonthsAdjusting Spark Gaps Troubleshooting Trouble Remedy− Electrical Diagrams Circuit Diagram For 115 Volts ModelCircuit Diagram For 230 Volts Model Welding Processes Requiring High Frequency Incorrect Installation− High Frequency Weld ZoneCorrect Installation Metal BuildingMetal Building Requirements Amperage Range Gas Type Polarity AC − Argon AC − Argon −Positioning The Torch − Guidelines for TIG Welding GtawPreparing Tungsten Electrode For Welding Preparing Tungsten For Conventional AC WeldingTungsten Without Filler Rod Torch Movement During WeldingPositioning Torch Tungsten For Various Weld Joints Tungsten With Filler RodReturn To Table Of Contents − Parts List Complete Assembly Part 1 of 2 115V ModelComplete Assembly Part 1 Complete Assembly Part 2 of 2 115V Model Complete Assembly Part 2 Page Page Page Service SupportOwner’s Record Miller Electric Mfg. Co