Miller Electric 350, 350P, Millermatic 350 manual From Miller to You

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Miller is the first welding equipment manufacturer in the U.S.A. to be registered to the ISO 9001:2000 Quality System Standard.

From Miller to You

Thank you and congratulations on choosing Miller. Now you can get the job done and get it done right. We know you don’t have time to do it any other way.

That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality. Like you, his customers couldn’t afford anything less. Miller products had to be more than the best they could be. They had to be the best you could buy.

Today, the people that build and sell Miller products continue the tradition. They’re just as committed to providing equipment and service that meets the high standards of quality and value established in 1929.

This Owner’s Manual is designed to help you get the most out of your Miller products. Please take time to read the Safety precautions. They will help you protect yourself against potential hazards on the worksite.

We’ve made installation and operation quick and easy. With Miller you can count on years of reliable service with proper maintenance. And if for some reason the unit needs repair, there’s a Troubleshooting section that will help you figure out what the problem is. The parts list will then help you to decide the exact part you may need to fix the problem. Warranty and service information for your particular model are also provided.

Miller Electric manufactures a full line

of welders and welding related equipment. For information on other quality Miller

products, contact your local Miller distributor to receive the latest full line catalog or individual specification sheets. To locate your nearest

distributor or service agency call 1-800-4-A-Miller, or visit us at www.MillerWelds.com on the web.

Mil_Thank 4/05

Working as hard as you do

−every power source from Miller is backed by the most hassle-free warranty in the business.

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Contents Description OM-1327Processes File MIG GmawFrom Miller to You Table of Contents − Maintenance &TROUBLESHOOTING − ProgrammingElectric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can cause severe burnsWelding can cause fire or explosion Fumes and Gases can be hazardousARC Rays can burn eyes and skin Flying Metal or Dirt can injure eyesFalling Unit can cause injury Welding Wire can cause injuryFire or Explosion hazard Moving Parts can cause injuryEMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings About Implanted Medical DevicesIndique des instructions spécifiques Symboles utilisésUNE Décharge Électrique peut entraîner la mort LE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux Risque D’INCENDIE OU D’EXPLO LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées LA Chute DE L’APPAREIL peut blesserLE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures En ce qui concerne les implants médicaux Principales normes de sécuritéInformation EMF OM-1327 Specifications Duty Cycle And OverheatingConnecting To Weld Output Terminals Volt-Ampere CurveInstalling Work Clamp Installing Welding Gun/Cable HolderInstalling Welding Gun Connecting Spoolmatic 15A Or 30A Gun XR Edge guns prior to serial no Connecting XR Edge, XR-A Gun, XR-A Python, Or XR Aluma-ProGun End Gun Liner Wire Outlet Guide Be sure to trim liner to proper extension11/16 Setting Gun Polarity For Wire TypePolarity Changeover Information Installing Gas Supply Rear PanelInput Voltage Installing Wire Spool and Adjusting Hub TensionElectrical Service Guide Min Input Conductor Size In AWGSelecting Input Voltage 200/230/460 Volt Models Only Tools Needed = GND/PE Earth Ground Selecting a Location And Connecting 3-Phase Input Power18 in 457 mm for airflow =GND/PE Earth Ground Selection a Location And Connecting 1-Phase Input PowerDisconnect Device Input Power Connections L1L2Threading Welding Wire For MIG Gun Hold wire tightly to keep It from unravelingPressure4321 Indicator Scale 150 mmFor XR-A Pistol Gun Threading Welding Wire Through XR GunsTurn welding power source Off Pulse Indicator Light MIG ModeJog Mode ControlsMIG Gun-On-Demand Pulse MIG Mode Voltage AdjustmentWeld Status Pulse MIG Gun-On-DemandWeld Parameters For MillerWelds.comWeld Parameters For Pulse Mode WeldMIG Welding Mode Weld Bead Setting OM-1327Pulse MIG Welding Mode Low Setting High SettingTimers Crater Fill display can be turned To exit this menu, press the Setup 1 button OM-1327 Setting Hot Start Aluminum Pulse Only ParametersManual Hot Start Mode Rmpt − Ramp TimeSetting Crater Fill Recommended Crater Parameters Recommended Crater Fill Parameters19ga 20ga 05mm 0.9mm System Reset Motor Calibration Function Set Up Push Motor Torque SUP Or Reset rES = Check = Change ~ = Clean = Replace Routine MaintenanceDisconnect power OverheatingWorking on unit Measuring Input Capacitor VoltageSignificant DC voltage can Changing Drive Roll and Wire Inlet Guide Displays a jog wire feed speed OM-1327 Help DisplaysTip Save Jog XXX Wire Feed SpeedHelp MM 350PConnect work clamp to get good metal to metal contact TroubleshootingTemperatures are within acceptable limits see -2and Unit is in an overheated condition see SectionOM-1327 − Electrical Diagram 224 242-B Circuit Diagram For 460V/575V Models 223 926-B Drive Roll And Wire Guide Kits Page Page Support ServiceYour distributor also gives For assistance in filing or settling claims, contact To locate a Distributor or Service Agency visitMiller Electric Mfg. Co Your distributor and/or equipment manufacturer’s