Page 2 - To locate your nearest; Thank you; From Miller to You
Miller Electric manufactures a full lineof welders and welding related equipment.For information on other quality Millerproducts, contact your local Miller distributor to receive the latest fullline catalog or individual catalog sheets. To locate your nearest distributor or service agency call 1-800...
Page 3 - TABLE OF CONTENTS
TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1...
Page 5 - ELECTRIC SHOCK can kill.; FUMES AND GASES can be hazardous.
OM-220 812 Page 1 SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _8/03 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. Marks a special safety message. Means “Note”; not safety related. This g...
Page 6 - WELDING can cause fire or explosion.
OM-220 812 Page 2 Arc rays from the welding process produce intense visible and invisible (ultraviolet and infrared) rays that can burn eyes and skin. Sparks fly off from the weld. ARC RAYS can burn eyes and skin. Wear a welding helmet fitted with a proper shade of filter to protect your face and ey...
Page 13 - A or V
OM-220 812 Page 9 SECTION 3 − INSTALLATION 3-1. Specifications Welding Mode Input Power Rated Output Welding Amperage Range Maximum Open-Circuit Voltage Amperes Input At Rated Load Output, 50/60 Hz KVA KW Dimensions Net Weight Range Voltage 220 400 440 KVA KW Dimensions Weight 3-Phase 250 A @ 30 VDC...
Page 18 - DCEN (Direct Current Electrode Negative) Connections
OM-220 812 Page 14 3-7. TIG Lift-Arc t DCEN (Direct Current Electrode Negative) Connections Ref. 802 888 / Ref. 803 080 1 Positive (+) Weld Output Terminal Connect work lead to positive weld output terminal.2 Negative ( − ) Weld Output Terminal Connect TIG torch to negative weld output terminal.3 Ga...
Page 19 - Actual input voltage cannot exceed; NOTE
OM-220 812 Page 15 3-8. Stick DCEP (Direct Current Electrode Positive) Connections Ref. 802 888 / Ref. 803 080 1 Negative ( − ) Weld Output Terminal Connect work lead to negative weld output terminal.2 Positive (+) Weld Output Terminal Connect electrode holder to positive weld output terminal. 1 2 3...
Page 20 - -10. Selecting 220 Volts AC Single/Three Phase Input Voltage
OM-220 812 Page 16 3-10. Selecting 220 Volts AC Single/Three Phase Input Voltage 803 079 / 803 077 Turn Off welding power source, and disconnect input power before proceeding. Check input voltage available at site.1 Voltage Selection View Window The input voltage that the power source is linked for ...
Page 26 - on the AMP ADJUST control setting.
OM-220 812 Page 22 4-5. Amp Adjust Control 1 AMP ADJUST (Amperage Control) Rotate knob clockwise to increase amperage (5-250 amps). 1 4-6. Remote 14 Receptacle Information This unit automatically senses when a remote control is connected to the remote 14 receptacle. After connecting a remote control...
Page 27 - Months
OM-220 812 Page 23 SECTION 5 − MAINTENANCE AND TROUBLESHOOTING 5-1. Routine Maintenance Disconnect power before maintaining. Maintain more often during severe conditions. 3 Months Replace unreadable labels. Clean and tighten weld terminals. Replace Damaged Gas Hose 3 Months Repair Or Replace Cracked...
Page 31 - Tungsten Arc Welding (G TAW ) process.Wear clean gloves to prevent
OM-220 812 Page 27 SECTION 7 − SELECTING AND PREPARING TUNGSTEN ELECTRODE gtaw 7/97 For additional information, see your distributor for a handbook on the Gas Tungsten Arc Welding (G TAW ) process.Wear clean gloves to prevent contamination of tungsten electrode. NOTE 7-1. Selecting Tungsten Electrod...
Page 33 - Notes
Page 43 - (Equipment with a serial number preface of “LF” or newer)
Warranty Questions? Call 1-800-4-A-MILLER for your local Miller distributor. miller_warr 1/05 Your distributor also gives you ... Service You always get the fast, reliable response you need. Most replacement parts can be in your hands in 24 hours. Support Need fast answers to the tough welding quest...
Page 44 - Please complete and retain with your personal records.; Contact a DISTRIBUTOR or SERVICE AGENCY near you.; For Service
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