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OM-2241 209 815E
November 2004
Processes
Gas Metal Arc (MIG) Welding
Flux Cored (FCAW) Welding
Air Carbon Arc Cutting
and Gouging
Description
Arc Welding Power Source
Delta-Fab
Visit our website at
www.MillerWelds.com
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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 bu
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TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-1. Symbol Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-2. Arc Welding Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-3. Additional Symbols For Insta
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Notes
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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. This group of symbols means Warning! Watch Out! possible Marks a special safety message. ELECTRIC SHOCK, MOVING PARTS, and HOT PARTS hazards. Consult symbols and related instructions below for necessary actions Means “Note”; not safety related. to avoid the hazards. 1-2. Arc Welding Ha
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ARC RAYS can burn eyes and skin. BUILDUP OF GAS can injure or kill. Shut off shielding gas supply when not in use. Arc rays from the welding process produce intense visible and invisible (ultraviolet and infrared) rays Always ventilate confined spaces or use that can burn eyes and skin. Sparks fly off from the approved air-supplied respirator. weld. Wear a welding helmet fitted with a proper shade of filter to protect your face and eyes when welding or watching (see ANSI Z49.1 and Z87.1 li
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1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. MOVING PARTS can cause injury. Do not install or place unit on, over, or near Keep away from moving parts such as fans. combustible surfaces. Keep all doors, panels, covers, and guards Do not install unit near flammables. closed and securely in place. Do not overload building wiring − be sure power supply system is properly sized, rated, and protected to handle this unit. FALLING UNIT can cau
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1-5. Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Boulevard, Rexdale, Ontario, Canada M9W 1R3 (phone: from American Welding Society, 550 N.W. LeJeune Rd, Miami FL 33126 800−463−6727 or in Toronto 416−747−4044, website: www.csa−in- (phone: 305-443-9353, website: www.aws.org). ternational.org). Recommended Safe Practices for the Preparation for Welding and Cut- Practice For Occupational And Educational Eye And Face Protection, ting of Containers
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SECTION 2 − CONSIGNES DE SÉCURITÉ − À LIRE AVANT UTILISATION som_fre 8/03 2-1. Signification des symboles Signifie « Mise en garde. Faire preuve de vigilance. » Cette procédure présente des risques identifiés par les symboles adjacents aux directives. Ce groupe de symboles signifie « Mise en garde. Faire preuve de vigi- lance. » Il y a des dangers liés aux CHOCS ÉLECTRIQUES, aux Identifie un message de sécurité particulier. PIÈCES EN MOUVEMENT et aux PIÈCES CHAUDES. Se reporter aux symboles et
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LES RAYONS DE L’ARC peuvent cau- LES ACCUMULATIONS DE GAZ peu- ser des brûlures oculaires et cuta- vent causer des blessures ou même nées. la mort. Le rayonnement de l’arc génère des rayons visibles et Couper l’alimentation en gaz protecteur en cas de invisibles intenses (ultraviolets et infrarouges) suscep- non utilisation. tibles de causer des brûlures oculaires et cutanées. Des étincelles sont projetées pendant le soudage. Veiller toujours à bien ventiler les espaces confinés ou porter un
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2-3. Autres symboles relatifs à l’installation, au fonctionnement et à l’entretien de l’appareil. Risque D’INCENDIE OU D’EXPLO- LES ORGANES MOBILES peuvent SION causer des blessures. Ne pas placer l’appareil sur une surface inflam- Se tenir à l’écart des organes mobiles comme les mable, ni au−dessus ou à proximité d’elle. ventilateurs. Maintenir fermés et bien fixés les portes, Ne pas installer l’appareil à proximité de produits inflammables. panneaux, recouvrements et dispositifs de N
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2-4. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, norme ANSI Z49.1, Rexdale, Rexdale (Ontario) Canada M9W 1R3 (téléphone : (800) de l’American Welding Society, 550 N.W. LeJeune Rd, Miami FL 33126 463−6727 ou à Toronto : (416) 747−4044, site Web : www.csa−interna- (téléphone : (305) 443−9353, site Web : www.aws.org). tional.org). Recommended Safe Practices for the Preparation for Welding and Cut- Practice For Occupational And Educational Eye And Face Protection
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SECTION 3 − INSTALLATION 3-1. Specifications Amperes Input at Rated Load Output, 60 Hz, Three-Phase V Vo oltage Range ltage Range 230 V 460 V 575 V KVA KW Rated Welding Output DC Max OCV DC 375 A @ 35 Volts DC, 69 34.5 27.5 27.5 17.5 10 − 45 45 100% Duty Cycle 4* 2* 1.6* 1.61* 0.46* *While idling 3-2. Duty Cycle And Overheating Duty Cycle is percentage of 10 min- utes that unit can weld at rated load without overheating. If unit overheats, thermostat(s) opens, output stops, and cooling fan runs.
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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. 60 50 MAX 40 30 20 10 MIN 0 0 100 200 300 400 500 600 700 800 DC Amperes 209 811 OM-2241 Page 10 DC Volts
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3-4. Selecting A Location 1 Lifting Eye 2 Lifting Forks Use lifting eye or lifting forks to move unit. Movement If using lifting forks, extend forks 1 beyond opposite side of unit. 3 Rating Label (Non CE Models Only) Use rating label to determine input power needs. Label located under OR front access door. 2 4 Plate Label (CE Models Only) Label located under front access door. Location And Airflow 5 Rating Label (CE Models 6 Only) Use rating label to determine input 3 power needs. Label located
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3-6. Dimensions And Weights Dimensions Dimensions A A 30 in (762 mm) including lift eye B 23 in (585 mm) C 30-1/2 in (775 mm) including B C strain relief D 27-1/2 in (699 mm) F F G E 3/4 in (19 mm) H 4 4 Holes Holes F 21-1/8 in (537 mm) G 1-1/8 in (29 mm) D D H 7/16 in (11 mm) Dia Weight 381 lb (173 kg) E 801 530 3-7. 115 VAC Receptacle And Circuit Breakers Turn Off power before con- necting to receptacle. 1 115 V 15 A AC Receptacle RC9 Power is shared between RC9 and Remote 14 receptacle RC8
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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) Turn off power before connecting to weld out- put terminals. Welding 10 − 60% 60 − 100% 10 − 100% Duty Cycle Amperes Duty Cycle Duty Cycle Do not use worn, dam- aged, undersized, or poorly spliced cables. 100 4 4 4 3 2 1 1/0 1/0 150 3 3 2 1 1/0 2/0 3/0 3/0 200 3 2 1 1/0 2/0 3/
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3-9. Remote 14 Receptacle RC8 Turn off power before con- necting to receptacle. 1 Remote 14 Receptacle RC8 Connect feeder to RC8. 1 AJ K I B L NH C M D G F E Ref. 800 166-D 3-10. Remote 14 Receptacle RC8 Information Socket Information A 24 volts ac. Protected by circuit breaker CB2. 24 VOL 24 VOLTS TS AC AC B Contact closure to A completes 24 volts ac contactor control circuit. C Command reference; 0 to +10 volts dc. D Remote control circuit common. REMOTE OUTPUT CONTROL E 0 to +10 volts dc in
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3-11. Electrical Service Guide Input Voltage 230 460 575 Input Amperes At Rated Output 69 34.5 27.5 1 Max Recommended Standard Fuse Rating In Amperes 2 80 40 30 Time-Delay Normal Operating 3 100 50 40 Min Input Conductor Size In AWG 4 4 8 10 237 422 444 Max Recommended Input Conductor Length In Feet (Meters) (72) (129) (135) Min Grounding Conductor Size In AWG 4 8 10 10 Reference: 1999 National
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3-13. Connecting Input Power Installation must meet all National and Local Codes − have only quali- fied persons make this installation. 3 Disconnect and lockout/tagout in- put power before connecting input conductors from unit. Make input power connections to = GND/PE Earth Ground the welding power source first. 9 Always connect green or green/ yellow conductor to supply 8 grounding terminal first, and never to a line terminal. See rating label on unit and check input voltage availab
