Miller Electric 456 CV Owner's Manual

OM-203 034R2008−11ProcessesMIG (GMAW) WeldingWith Optional Equipment:Pulsed MIG (GMAW-P)XMT 456 CC/CV:Multiprocess WeldingDescriptionInvision 456P:I

OM-203 034 Page 6Il reste une TENSION DC NON NÉGLIGEABLE dansles sources de soudage onduleur quand on acoupé l’alimentation.D Arrêter les convertisseu

OM-203 034 Page 7LES ACCUMULATIONS DE GAZrisquent de provoquer des blessuresou même la mort.D Fermer l’alimentation du gaz protecteur en casde non-uti

OM-203 034 Page 8LES FILS DE SOUDAGE peuventprovoquer des blessures.D Ne pas appuyer sur la gâchette avant d’enavoir reçu l’instruction.D Ne pas dirig

OM-203 034 Page 92-5. Principales normes de sécuritéSafety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1,de Global Engineering Docume

OM-203 034 Page 10

OM-203 034 Page 11SECTION 3 − DEFINITIONS3-1. Manufacturer’s Warning Label DefinitionsWarning! Watch Out! There arepossible hazards as shown by thesym

OM-203 034 Page 12> 60 sVS-179 190-AVV1 Warning! Watch Out! Thereare possible hazards asshown by the symbols.2 Electric shock from wiring cankill.3

OM-203 034 Page 133-2. Symbols And DefinitionsAAmperage PanelAlternatingCurrent (AC)VVoltageOutput Circuit Breaker Remote OnOffGas Tungsten ArcWelding

OM-203 034 Page 14SECTION 4 − INSTALLATION. This manual contains information on CC and CC/CV units. Differences between models are noted throughout th

OM-203 034 Page 154-3. Volt-Ampere CurvesVolt-ampere curves show mini-mum and maximum voltage andamperage output capabilities ofunit. Curves of other

Miller Electric manufactures a full lineof welders and welding related equipment.For information on other quality Millerproducts, contact your local M

OM-203 034 Page 164-5. Selecting A Locationloc_2 3/96 - 800 611 / 802 2601 Lifting ForksUse lifting forks to move unit.Extend forks beyond opposite si

OM-203 034 Page 174-7. Weld Output Terminals And Selecting Cable Sizes! ARC WELDING can cause Electromagnetic Interference.To reduce possible interfer

OM-203 034 Page 184-8. Connecting Weld Output Cables803 778-B! Turn off power before connecting toweld output terminals.! Failure to properly connect

OM-203 034 Page 194-10. 115 Volts AC Duplex ReceptacleRef. 801 524-A1 115 V 7 A AC ReceptaclePower is shared between duplexreceptacle and Remote 14 re

OM-203 034 Page 204-12. Connecting Input Powerssb2.4* 1/94 − 801 523-B / 801 946Tools Needed:5/16 inInput Filter BoardL1=GND/PE! Turn Off welding powe

OM-203 034 Page 21SECTION 5 − OPERATION5-1. Front Panel Controls For CV Only Models1 Power On/Off Switch. The fan motor is thermostaticallycontrolled

OM-203 034 Page 225-3. Meter Functions For CV Only Models. The meters display the actual weld output values for approximately three seconds after the

OM-203 034 Page 235-5. Meter Functions For CC/CV Models. The meters display the actual weld output values for approximately three seconds after the ar

OM-203 034 Page 245-6. Mode Switch Settings For CC/CV Models. The SMAW modes provide the Adaptive Hot Start™ feature, which automatically increases th

OM-203 034 Page 255-7. Lift-Arc TIG Procedure For CC/CV ModelsWith Mode switch in the Lift-Arc TIGposition, start an arc as follows:1 TIG Electrode2 W

TABLE OF CONTENTSSECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbo

OM-203 034 Page 26SECTION 6 − MAINTENANCE & TROUBLESHOOTING6-1. Routine Maintenance! Disconnect power before maintaining.. Maintain more oftenduri

OM-203 034 Page 276-3. Removing Case and Measuring Input Capacitor VoltageTurn Off welding power source, anddisconnect input power.1 Outside Handle Sc

OM-203 034 Page 286-4. Voltmeter/Ammeter Help Displays. All directions are in reference tothe front of the unit. All circuitryreferred to is located i

OM-203 034 Page 296-5. TroubleshootingTrouble RemedyNo weld output; unit completely inop-erative.Place line disconnect switch in On position (see Sect

OM-203 034 Page 30SECTION 7 − ELECTRICAL DIAGRAMFigure 7-1. Circuit Diagram For CV Only Welding Power Source

OM-203 034 Page 31239 524-A

OM-203 034 Page 32Figure 7-2. Circuit Diagram For CC/CV Welding Power Source

OM-203 034 Page 33239 526-A

OM-203 034 Page 34SECTION 8 − PARTS LIST. Hardware is common andnot available unless listed.802 261-E68675756555210616047433638373635343087654663PC2PC

OM-203 034 Page 35DescriptionPartNo.Dia.Mkgs.ItemNo.Figure 8-1. Complete AssemblyQuantity1 187 234 Cover, Top 1. . . . . . . . . . . . . . . . . . .

OM-203 034 Page 36DescriptionPartNo.Dia.Mkgs.ItemNo.Figure 8-1. Complete Assembly (Continued)Quantity48 180 732 Boot, Neg Output Stud 1. . . . . . .

Notes229895MATERIAL THICKNESS GAUGE

NotesWork like a Pro!Pros weld and cutsafely. Read thesafety rules atthe beginningof this manual.

Warranty Questions?Call1-800-4-A-MILLERfor your localMiller distributor.miller_warr 2008-01Your distributor also givesyou ...ServiceYou always get the

PRINTED IN USA © 2008 Miller Electric Mfg. Co.2008−01Miller Electric Mfg. Co.An Illinois Tool Works Company1635 West Spencer StreetAppleton, WI 54914

OM-203 034 Page 1SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USINGsom _2007−047Protect yourself and others from injury — read and follow these precau

OM-203 034 Page 2Welding produces fumes and gases. Breathingthese fumes and gases can be hazardous to yourhealth.FUMES AND GASES can be hazardous.D Ke

OM-203 034 Page 31-3. Additional Symbols For Installation, Operation, And MaintenanceFIRE OR EXPLOSION hazard.D Do not install or place unit on, over,

OM-203 034 Page 41-4. California Proposition 65 WarningsWelding or cutting equipment produces fumes or gaseswhich contain chemicals known to the State

OM-203 034 Page 5SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATIONfre_som_2007−047Se protéger et protéger les autres contre le risque de bles