Miller Electric 456 CC manual Connecting Input Power, Input Filter Board, L21 Tools Needed

Page 24

4-12. Connecting Input Power

Input Filter

Board

=GND/PE

! Always connect grounding conductor first.

L21

Tools Needed:

5/16 in

ssb2.4* 1/94 − 801 523-B / 801 946

! Turn Off welding power source, and check voltage on input capacitors according to Section 6-3before pro- ceeding.

Check input voltage available at site. Remove left side panel.

1Input And Grounding Conductors See Section 4-11.

Install ring terminals of proper size onto input conductors for connection to input filter board terminals (see illustration).

2 Line Disconnect Device

Select type and size of overcurrent protection using Section 4-11. Connect input and grounding conductors to a deenergized line disconnect device.

Reinstall left side panel.

OM-203 034 Page 20

Image 24

Contents OM-203 034R ProcessesDescription File MIG GmawFrom Miller to You Table of Contents Page Symbol Usage Arc Welding HazardsElectric Shock can kill HOT Parts can cause severe burnsFumes and Gases can be hazardous ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal or Dirt can injure eyesWelding Wire can cause injury Fire or Explosion hazardFalling Unit can cause injury Moving Parts can cause injuryPrincipal Safety Standards California Proposition 65 WarningsEMF Information About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortDES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion LE Bruit peut endommager l’ouïe LES Bouteilles peuvent exploser si elles sont endommagéesRisque D’INCENDIE OU D’EXPLO- Sion LA Chute DE L’APPAREIL peut blesserProposition californienne 65 Avertissements LES Fils DE Soudage peuvent provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécurité Information EMFEn ce qui concerne les implants médicaux OM-203 034 Disconnect input plug or power before working on machine Manufacturer’s Warning Label DefinitionsKeep your head out of the fumes 60 s Symbols And Definitions I1maxI1eff Weee LabelSpecifications Duty Cycle And OverheatingDimensions And Weight Volt-Ampere CurvesCV Modes CC Modes Connecting To Weld Terminals Selecting a LocationMovement Tipping LocationWeld Output Terminals And Selecting Cable Sizes ARC Welding can cause Electromagnetic Interference350 ft 400 ft Put terminals Connecting Weld Output Cables Remote 14 Receptacle InformationElectrical Service Guide Hz Three PhaseVolts AC Duplex Receptacle Input VoltageConnecting Input Power Input Filter BoardAlways connect grounding conductor first L21 Tools NeededMode And Voltage Control For CV Only Models Mode ControlFront Panel Controls For CV Only Models Voltage ControlPreset Volts Blank Power SwitchMeter Functions For CV Only Models Front Panel Controls For CC/CV ModelsMeter Functions For CC/CV Models Panel Control GtawHold TIG Gtaw Blank Pulsed MIGMode Switch Settings For CC/CV Models Lift-Arc TIG Procedure For CC/CV Models Touch Seconds Do not Strike Like a MatchDo not remove case when blowing out inside of unit Blowing Out Inside Of UnitRemoving Case and Measuring Input Capacitor Voltage Voltmeter/Ammeter Help Displays Troubleshooting Reset circuit breaker CB1 see Section− Electrical Diagram 239 524-A Circuit Diagram For CC/CV Welding Power Source 239 526-A Complete Assembly 39 40 41Dia Part Description Quantity Mkgs 180 Material Thickness Gauge Work like a Pro Service Your distributor also givesSupport To locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s

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