Miller Electric 456 CV Owner's Manual

OM-235 848K2010−11ProcessesMultiprocess WeldingDescriptionRXMT 456 CC/CV(400 Volt Models) CEFile: MIG (GMAW)Visit our website atwww.MillerWelds.com

OM-235 848 Page 6Il reste une TENSION DC NON NÉGLIGEABLE dansles sources de soudage onduleur UNE FOISl’alimentation coupée.D Arrêter les convertisseur

OM-235 848 Page 7LES ACCUMULATIONS DE GAZrisquent de provoquer des blessuresou même la mort.D Fermer l’alimentation du gaz protecteur en casde non-uti

OM-235 848 Page 8Les PIÈCES MOBILES peuventcauser des blessures.D Ne pas s’approcher des organes mobiles.D Ne pas s’approcher des points de coincement

OM-235 848 Page 92-5. Principales normes de sécuritéSafety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1,de Global Engineering Docume

OM-235 848 Page 10

OM-235 848 Page 11SECTION 3 − DEFINITIONS3-1. Manufacturer’s Warning Label DefinitionsWarning! Watch Out! There arepossible hazards as shown by thesym

OM-235 848 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-235 848 Page 133-2. WEEE LabelDo not discard this product withgeneral waste.Reuse or recycle Waste Electricaland Electronic Equipment (WEEE)by disp

OM-235 848 Page 14SECTION 4 − INSTALLATION4-1. Important Information Regarding CE Products (Sold Within The EU)A. Information On Electromagnetic Field

OM-235 848 Page 154-4. Duty Cycle And OverheatingDuty Cycle is percentage of 10 min-utes that unit can weld at rated loadwithout overheating.If unit o

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

OM-235 848 Page 164-5. Volt-Ampere CurvesVolt-ampere curves show mini-mum and maximum voltage andamperage output capabilities ofunit. Curves of other

OM-235 848 Page 174-7. Selecting A Locationloc_2 3/96 - 800 611 / 802 2601 Lifting ForksUse lifting forks to move unit.Extend forks beyond opposite si

OM-235 848 Page 184-9. Weld Output Terminals And Selecting Cable Sizes*NOTICE − The Total Cable Length in Weld Circuit (see table below) is the combin

OM-235 848 Page 194-10. Connecting Weld Output Cables803 778-B! Turn off power before connecting toweld output terminals.! Failure to properly connect

OM-235 848 Page 204-12. 115 Volts AC Duplex ReceptacleRef. 801 524-A1 115 VAC ReceptaclePower is shared between duplexreceptacle and Remote 14 recep-t

OM-235 848 Page 214-14. Connecting Input Powerssb2.4* 1/94 − 801 523-B / 801 946Tools Needed:5/16 in.Input Filter BoardL1=GND/PE! Turn Off welding pow

OM-235 848 Page 22SECTION 5 − OPERATION5-1. Front Panel Controls1 Power Switch. The fan motor is thermostaticallycontrolled and only runs when cooling

OM-235 848 Page 235-2. Meter Functions. The meters display the actual weld output values for approximately three seconds after the arc is broken.Mode

OM-235 848 Page 245-3. Mode Switch Settings. The SMAW modes provide the Adaptive Hot Start™ feature, which automatically increases the output amperage

OM-235 848 Page 255-4. Lift-Arc TIG ProcedureWith Mode switch in the Lift-Arc TIGposition, start an arc as follows:1 TIG Electrode2 WorkpieceTouch tun

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

OM-235 848 Page 26SECTION 6 − MAINTENANCE & TROUBLESHOOTING6-1. Routine Maintenance! Disconnect power before maintaining.. Maintain more oftenduri

OM-235 848 Page 276-3. Removing Case and Measuring Input Capacitor VoltageTurn Off welding power source, anddisconnect input power.1 Outside Handle Sc

OM-235 848 Page 286-4. Voltmeter/Ammeter Help Displays. All directions are in reference tothe front of the unit. All circuitryreferred to is located i

OM-235 848 Page 296-5. Voltmeter/Ammeter Help Displays (Continued). All directions are in reference tothe front of the unit. All circuitryreferred to

OM-235 848 Page 306-6. TroubleshootingTrouble RemedyNo weld output; unit completely inop-erative.Place line disconnect switch in On position (see Sect

OM-235 848 Page 31Notes

OM-235 848 Page 32SECTION 7 − ELECTRICAL DIAGRAMFigure 7-1. Circuit Diagram

OM-235 848 Page 33239 526-A

OM-235 848 Page 34SECTION 8 − PARTS LIST. Hardware is common andnot available unless listed.Ref. 802 261-E67665655545110605947433638373635343087654653

OM-235 848 Page 35DescriptionPartNo.Dia.Mkgs.ItemNo.Figure 8-1. Complete AssemblyQuantity1 187 234 Cover, Top 1... ... ... ...

DECLARATION OF CONFORMITYfor European Community (CE marked) products.MILLER Electric Mfg. Co., 1635 Spencer Street, Appleton, WI 54914 U.S.A. declar

OM-235 848 Page 36DescriptionPartNo.Dia.Mkgs.ItemNo.Figure 8-1. Complete Assembly (Continued)Quantity51 S1 244 920 Switch, Tgl 3Pst 40A 600VAC Scr Ter

NotesSOCKET/WRENCH SELECTION TABLE (U.S. STANDARD) SOCKET/WRENCH SELECTION TABLE(METRIC)Specifications Socket or Wrench Size Specifications Socket or

Notes16 Gauge (.063 in)22 Gauge (.031 in)24 Gauge (.025 in)20 Gauge (.037 in)18 Gauge (.050 in)14 Gauge (.078 in)1/8 in (.125 in)3/16 in (.188 in)1/4

Warranty Questions?Call1-800-4-A-MILLERfor your localMiller distributor.miller_warr 2010−01Your distributor also givesyou ...ServiceYou always get the

ORIGINAL INSTRUCTIONS − PRINTED IN USA © 2010 Miller Electric Mfg. Co. 2010−01Miller Electric Mfg. Co.An Illinois Tool Works Company1635 West Spencer

OM-235 848 Page 1SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USINGsom _2010−037Protect yourself and others from injury — read and follow these precau

OM-235 848 Page 2D Keep your head out of the fumes. Do not breathe the fumes.D If inside, ventilate the area and/or use local forced ventilation at th

OM-235 848 Page 31-3. Additional Symbols For Installation, Operation, And MaintenanceFIRE OR EXPLOSION hazard.D Do not install or place unit on, over,

OM-235 848 Page 41-4. California Proposition 65 WarningsWelding or cutting equipment produces fumes or gaseswhich contain chemicals known to the State

OM-235 848 Page 5SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATIONfre_som_2010−037Se protéger et protéger les autres contre le risque de bles