Miller Electric DVI-2 R manual Electrical Diagram, Welding Power Source Circuit Diagram

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SECTION 7 − ELECTRICAL DIAGRAM

Figure 7-1. Welding Power Source Circuit Diagram

OM-232 386 Page 30

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Contents Description OM-232 386BProcesses File MIG GmawFrom Miller to You Table of Contents − MIG Welding Gmaw Guidelines − Parts ListTypical MIG Process Connections Electric 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 DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion 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 blesserLES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLE Soudage À L’ARC risque de provoquer des interférences Information EMF Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-232 386 Specifications − InstallationSymbols And Definitions − DefinitionsOverheating Duty Cycle And Overheating40% duty cycle at 150 amps Minutes Welding Minutes Resting MinutesVolt-Ampere Curves Connecting To Weld Output TerminalsCorrect Installation Range Range 4 RangePolarity Changeover Label Information Installing Work Cable And ClampSetting Gun Polarity For Wire Type 11/16Rear Panel Installing Gas SupplyTools Needed 8, 5/8 Use compression spring Installing MIG Wire Spool and Adjusting Hub TensionInstalling 1 Or 2 lb Wire Spool With 8 in 200 mm spools To turn spool, tension is setConnecting 1-Phase Input Power For 230 VAC 230 VAC =GND/PE Earth GroundHz Single Phase Electrical Service Guide For 230 VACExtension Cord Data Do not move or operate unit where it could tip Selecting a Location And Connecting Input Power18 in 457 mm of space for airflow Scale Threading Welding WirePressure Remove gun nozzle and contact tipTurn Off unit, and disconnect input power Connecting An Optional Spool Gun Controls − OperationVoltage Control Input Line Weld Parameter ChartVoltage Chart Settings Parameter226 652-A Changing Drive Roll and Wire Inlet Guide − Maintenance &TROUBLESHOOTINGRoutine Maintenance Unit OverloadTurn Off power Aligning Drive Rolls and Wire GuideTroubleshooting Welding Trouble RemedyWire Drive/Gun Trouble Remedy OM-232 386 − Electrical Diagram Welding Power Source Circuit Diagram229 598-B − MIG Welding Gmaw Guidelines Typical MIG Process ConnectionsAmperage Typical MIG Process Control SettingsWire Size Amperage Range Select VoltageHolding And Positioning Welding Gun Groove WeldsPerpendicular Drag Conditions That Affect Weld Bead ShapePush Short Normal LongGood Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Penetration Troubleshooting − Excessive SpatterTroubleshooting − Porosity Possible Causes Corrective ActionsTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Distortion Troubleshooting − Waviness Of BeadWeld bead Common MIG Shielding Gases Troubleshooting Guide For Semiautomatic Welding EquipmentProblem Probable Cause Remedy ApplicationWelding power source Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Drive rolls if necessary− Parts List Drive Roll And Wire Guide KitsYour distributor also gives ServiceSupport 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