Miller Electric OM-230 manual Selecting a Location And Connecting Input Power, L2L1 230 VAC

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.A complete Parts List is available at www.MillerWelds.com

4-13. Selecting A Location And Connecting Input Power

18 in (457 mm) of space for airflow

1

8	=GND/PE Earth Ground
	=GND/PE Earth Ground
	10

	7
	9
6	L1	5	!
6	L2	5	!	Do not move or operate
				unit where it could tip.

42

1

3

L2L1

230 VAC, 1

804 912-A

! Installation must meet all National and Local Codes − have only qualified persons make this installation.

! Disconnect and lockout/tagout input power before connecting input con- ductors from unit.

!Always connect green or green/yel-

low conductor to supply grounding terminal first, and never to a line ter- minal.

!Special installation may be required where gasoline or volatile liquids are present − see NEC Article 511 or CEC Section 20.

1 Rating Label

Supply correct input power.

2Plug (NEMA Type 6-50P)

3Receptacle

[NEMA Type 6-50R (Customer Supplied)]

4Input Power Cord.

Connect directly to line disconnect device if hard wiring is required.

5Black And White Input Conductor (L1 And L2)

6Green Or Green/Yellow Grounding Conductor

7Disconnect Device (switch shown in the OFF position)

8Disconnect Device Grounding Terminal

9 Disconnect Device Line Terminals

Connect green or green/yellow grounding conductor to disconnect device grounding terminal first.

Connect input conductors L1 and L2 to disconnect device line terminals.

10 Over-Current Protection

Select type and size of over-current protection using Section 4-12(fused disconnect switch shown).

Connect plug to receptacle if hard wiring method is not used.

Close and secure door on disconnect device. Remove lockout/tagout device, and place switch in the On position.

OM-230 693 Page 19

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Contents File MIG Gmaw OM-230 693CProcesses DescriptionFrom Miller to You Table of Contents Typical MIG Process Connections − Parts List− MIG Welding Gmaw Guidelines HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can killFlying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionMoving Parts can cause injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injuryAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationUNE Décharge Électrique peut entraîner la mort Symboles utilisésLE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLOLE 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-230 693 Specifications Symbols And DefinitionsOverheating Welding Power Source Duty Cycle And OverheatingVolt-Ampere Curves Installing Work Cable And Clamp Connecting To Weld Output TerminalsConnecting Spoolmatic 15A Or 30A Gun 32 in 2.4 mm Connecting XR Aluma-Pro, XR Edge, XR-A Gun, Or XR-A PythonGun End Gun Liner Wire Outlet Guide 11/16 Setting Gun Polarity For Wire TypeInstalling Gas Supply Polarity Changeover Label InformationPositioning Jumper Links Installing Wire Spool And Adjusting Hub Tension127 206 Electrical Service GuideInput Voltage 200 230 460 575L2L1 230 VAC Selecting a Location And Connecting Input Power18 in 457 mm of space for airflow =GND/PE Earth Ground Remove gun nozzle and contact tip Threading Welding WirePressure ScaleOM-230 693 Weld Parameters 226 650-B Controls − OperationTrigger and pull the trigger again momentarily one second JOG ModeRun−in Wire Feed Speed Settings Welding Status Voltmeter And Wire Feed Speed Meter OperationJog Mode Power Up StatusTimers Set Up Push Motor Torque SUP Or Reset rES Unit Overload Routine MaintenanceChanging Drive Roll and Wire Inlet Guide View is from top of drive rolls Aligning Drive Rolls and Wire GuideTurn Off power Assembly openTroubleshooting Trouble Remedy OM-230 693 − Electrical Diagram 229 485-A Typical MIG Process Connections − MIG Welding Gmaw GuidelinesSelect Voltage Typical MIG Process Control SettingsWire Size Amperage Range Select Wire Size Recommendation Wire SpeedSide View Of Gun Angle Holding And Positioning Welding GunSlow Normal Conditions That Affect Weld Bead ShapePush Perpendicular Drag Short Normal LongGun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive PenetrationTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Weld bead Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Application Troubleshooting Guide For Semiautomatic Welding EquipmentCommon MIG Shielding Gases Drive rolls if necessary Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Welding power source0.9 mm 204 Drive Roll And Wire Guide Kits087 Grooved 056Support ServiceYour distributor also gives Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact