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OM-2241 209 815G August 2005 Processes Gas Metal Arc (MIG) Welding Flux Cored (FCAW) Welding Air Carbon Arc Cutting and Gouging Description Arc Welding Power Source Delta-Fab File: MIG (GMAW) Visit our website at www.MillerWelds.com...
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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.
SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _3/05 Y Warning: Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols.
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ARC RAYS can burn eyes and skin. BUILDUP OF GAS can injure or kill. D Shut off shielding gas supply when not in use. Arc rays from the welding process produce intense visible and invisible (ultraviolet and infrared) rays D Always ventilate confined spaces or use that can burn eyes and skin.
D Read Owner’s Manual before using or servic- support unit. ing unit. D If using lift forks to move unit, be sure forks are D Use only genuine Miller/Hobart replacement long enough to extend beyond opposite side of parts. unit.
1-5. Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Boulevard, Rexdale, Ontario, Canada (phone: from Global Engineering Documents (phone: 1-877-413-5184, website: 800−463−6727 or in Toronto 416−747−4044, website: www.csa−in- www.global.ihs.com). ternational.org). Practice For Occupational And Educational Eye And Face Protection, Recommended Safe Practices for the Preparation for Welding and Cut- ANSI Standard Z87.1, from American National Standards Institute, 11 ting of Containers and Piping, American Welding Society Standard...
SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION fre_som _3/05 Y Avertissement : se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes. 2-1. Symboles utilisés Symbole graphique d’avertissement ! Attention ! Cette pro- cédure comporte des risques possibles ! Les dangers éven- tuels sont représentés par les symboles graphiques joints.
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LES RAYONS D’ARC peuvent entraî- ACCUMULATIONS ner des brûlures aux yeux et à la peau. risquent de provoquer des blessures ou même la mort. Le rayonnement de l’arc du procédé de soudage génère des rayons visibles et invisibles intenses D Fermer l’alimentation du gaz protecteur en cas (ultraviolets et infrarouges) susceptibles de provo- de non-utilisation.
D Utiliser un équipement de levage de capacité D Utiliser uniquement des pièces de rechange suffisante pour lever l’appareil. Miller/Hobart. D En utilisant des fourches de levage pour déplacer l’unité, s’assu- rer que les fourches sont suffisamment longues pour dépasser du côté...
2-5. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Boulevard, Rexdale, Ontario, Canada M9W 1R3 (téléphone : de Global Engineering Documents (téléphone : 1-877-413-5184, site In- 800-463-6727 ou à Toronto 416-747-4044, site Internet ternet : www.global.ihs.com). www.csa-international.org).
SECTION 3 − INSTALLATION 3-1. Specifications Amperes Input at Rated Load Output, 60 Hz, Three-Phase Voltage Range Voltage Range 230 V 460 V 575 V Rated Welding Output Max OCV DC 375 A @ 35 Volts DC, 34.5 27.5 27.5 17.5 10 −...
3-3. Volt-Ampere Curves Volt-ampere curves show mini- mum and maximum voltage and amperage output capabilities of unit. Curves of other settings fall be- tween curves shown. DC Amperes 209 811 OM-2241 Page 10...
3-4. Selecting A Location Lifting Eye Lifting Forks Use lifting eye or lifting forks to move unit. Movement If using lifting forks, extend forks beyond opposite side of unit. Rating Label (Non CE Models Only) Use rating label to determine input power needs.
3-6. Dimensions And Weights Dimensions Dimensions 30 in (762 mm) including lift eye 23 in (585 mm) 30-1/2 in (775 mm) including strain relief 27-1/2 in (699 mm) 3/4 in (19 mm) 4 Holes 4 Holes 21-1/8 in (537 mm) 1-1/8 in (29 mm) 7/16 in (11 mm) Dia Weight...
3-8. Weld Output Terminals And Selecting Cable Sizes Total Cable (Copper) Length In Weld Circuit Not Exceeding 150 ft 200 ft 250 ft 300 ft 350 ft 400 ft 100 ft (30 m) Or Less (45 m) (60 m) (70 m) (90 m) (105 m) (120 m)
3-10. Remote 14 Receptacle RC8 Y Turn off power before con- necting to receptacle. Remote 14 Receptacle RC8 Connect feeder to RC8. C L N Ref. 800 166-D 3-11. Remote 14 Receptacle RC8 Information Socket Information 24 volts ac. Protected by supplementary protector CB2. 24 VOLTS AC 24 VOLTS AC Contact closure to A completes 24 volts ac contactor control circuit.
3-12. Electrical Service Guide Input Voltage Input Amperes At Rated Output 34.5 27.5 Max Recommended Standard Fuse Rating In Amperes Time-Delay Normal Operating 3 Min Input Conductor Size In AWG 4 Max Recommended Input Conductor Length In Feet (Meters) (72) (129) (135) Min Grounding Conductor Size In AWG 4...
3-14. Connecting Input Power Y Installation must meet all National and Local Codes − have only quali- fied persons make this installation. Y Disconnect and lockout/tagout in- put power before connecting input conductors from unit. Y Make input power connections to = GND/PE Earth Ground the welding power source first.
SECTION 4 − OPERATION 4-1. Controls 209 383 Voltage Meter Power Switch With Indicator Light Y Weld output studs are energized by controls on the wirefeeder. Amperage Meter High Temperature Shutdown Light Y Turn Off power before connecting re- Voltmeter and ammeter display actual output mote device.
5-2. Fuse F1 Y Disconnect input power be- fore opening rear access door. Fuse Holder Cover Fuse F1 (See Parts List For Rating) Fuse F1 protects control transform- er from overload. If F1 opens, weld output and fan motor stops. Re- place F1.
5-4. Troubleshooting Table Trouble Remedy No weld output; unit completely Place line disconnect switch in On position (see Section 3-14). inoperative. Check fuse F1, and replace if necessary (see Section 5-2). Check and replace line fuse(s), if necessary, or reset circuit breaker (see Section 3-14). Check for proper input power connections (see Section 3-14).
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Effective January 1, 2005 (Equipment with a serial number preface of “LF” or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other Warranty Questions? guarantees or warranties expressed or implied. Call LIMITED WARRANTY − Subject to the terms and conditions Induction Heating Coils and Blankets below, Miller Electric Mfg.