Manuels Connexes pour Miller Dialarc 250 AC
Sommaire des Matières pour Miller Dialarc 250 AC
- Page 1 OM-321 202730 April 2001 Processes Stick (SMAW) Welding Description Arc Welding Power Source Dialarc 250/250P AC/DC Visit our website at www.MillerWelds.com...
- Page 2 They had to be the best you could buy. Today, the people that build and sell Miller products continue the tradition. They’re just as committed to providing equipment and service that meets the high standards of quality and value established in 1929.
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Page 3: Table Des Matières
TABLE OF CONTENTS The following terms are SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING ......used interchangeably 1-1. -
Page 5: Section 1 - Safety Precautions - Read Before Using
SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING som _nd_4/98 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 Y Marks a special safety message. - Page 6 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 D Always ventilate confined spaces or use visible and invisible (ultraviolet and infrared) rays that can burn eyes and skin.
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Page 7: Additional Symbols For Installation, Operation, And Maintenance
1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. MOVING PARTS can cause injury. D Do not install or place unit on, over, or near D Keep away from moving parts such as fans. combustible surfaces. D Keep all doors, panels, covers, and guards D Do not install unit near flammables. -
Page 8: Emf Information
1-5. EMF Information Considerations About Welding And The Effects Of Low Frequency 1. Keep cables close together by twisting or taping them. Electric And Magnetic Fields 2. Arrange cables to one side and away from the operator. Welding current, as it flows through welding cables, will cause electro- magnetic fields. -
Page 9: Section 1 - Consignes De Securite - Lire Avant Utilisation
SECTION 1 – CONSIGNES DE SECURITE – LIRE AVANT UTILISATION som _nd_fre 4/98 1-1. Signification des symboles Signifie Mise en garde ! Soyez vigilant ! Cette procédure présente des risques de danger ! Ceux-ci sont identifiés par des symboles adjacents aux directives. Ce groupe de symboles signifie Mise en garde ! Soyez vigilant ! Il y a des Y Identifie un message de sécurité... - Page 10 LES RAYONS DE L’ARC peuvent pro- LES ACCUMULATIONS DE GAZ ris- voquer des brûlures dans les yeux et quent de provoquer des blessures ou sur la peau. même la mort. Le rayonnement de l’arc du procédé de soudage D Fermer l’alimentation du gaz protecteur en cas de génère des rayons visibles et invisibles intenses non utilisation.
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Page 11: Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance
1-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance Risque D’INCENDIE OU DES ORGANES MOBILES peuvent D’EXPLOSION. provoquer des blessures. D Ne pas placer l’appareil sur, au-dessus ou à proxi- D Rester à l’écart des organes mobiles comme le mité... -
Page 12: Principales Normes De Sécurité
1-4. Principales normes de sécurité Safety in Welding and Cutting, norme ANSI Z49.1, de l’American Wel- Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1, ding Society, 550 N.W. Lejeune Rd, Miami FL 33126 de la Compressed Gas Association, 1235 Jefferson Davis Highway, Suite 501, Arlington, VA 22202. -
Page 13: Section 2 - Installation
SECTION 2 – INSTALLATION 2-1. Specifications Amperes Input At Rated Load Output, 60 Hz, Single-Phase Model 200 (208) V 230 V 460 V 575 V 15.6 11.8 250P 11.5 While Idling (25) (21.8) (11) (8.9) (5.0) (0.45) 20.7 11.8 16.1 While Idling (4.1) (3.6) -
Page 14: Duty Cycle And Overheating
2-2. Duty Cycle And Overheating Duty Cycle is percentage of 10 min- utes that unit can weld at rated load without overheating. Y Exceeding duty cycle can damage unit void warranty. 30% Duty Cycle At 250 Amperes AC 3 Minutes Welding 7 Minutes Resting 50% Duty Cycle At 200 Amperes DC 5 Minutes Welding... -
Page 15: Dimensions And Weights
2-4. Dimensions And Weights Dimensions Height 24-1/4 in (616 mm) Width 19 in (483 mm) Length 28 in (711 mm) 3/4 in (19 mm) 26-1/2 in (673 mm) Front 27-1/4 in (692 mm) 28 in (711 mm) 7/8 (22 mm) 17-7/8 (454 mm) 19 (483 mm) 8 Holes... -
Page 16: Weld Cable Sizes
2-6. Weld 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) Welding 10 To 60%... -
Page 17: Electrical Service Guide
2-8. Electrical Service Guide 60 Hertz Models With Power Factor Correction Without Power Factor Correction Input Voltage (208) (208) Input Amperes At Rated Output Max Recommended Standard Fuse Or Circuit Breaker Rating In Amperes Min Input Conductor Size In AWG/Kcmil Max Recommended Input Conductor Length 61 (19) 80 (25) -
Page 18: Placing Jumper Links And Connecting Input Power
2-9. Placing Jumper Links And Connecting Input Power Y Have only qualified persons make this installation. See rating label in Section 2-5, and be sure to supply correct input power. L1 L2 Check input voltage available at site. Remove side panel. Jumper Link Label Check label –... -
Page 19: Section 3 - Operation
SECTION 3 – OPERATION 3-1. Controls 202 313 Y Do not change position of switch Range Selector Switch Circuit Breaker CB1 while welding. If CB1 opens, weld output drops to the mini- Use switch to select ac or dc weld amperage mum of the range selected, and cannot be range. -
Page 20: Section 4 - Maintenance & Troubleshooting
SECTION 4 – MAINTENANCE & TROUBLESHOOTING 4-1. Routine Maintenance Y Disconnect power Maintain more often before maintaining. during severe conditions. 3 Months Repair Or Replace Replace Unreadable Cracked Labels Weld Cable 3 Months 6 Months Clean Blow Out During Heavy Service, Tighten Vacuum... -
Page 21: Section 5 - Electrical Diagrams
SECTION 5 – ELECTRICAL DIAGRAMS 202 718-A Figure 5-1. Circuit Diagram For 60 Hertz Models OM-321 Page 17... -
Page 22: Section 6 - Parts List
SECTION 6 – PARTS LIST Hardware is common and not available unless listed. 802 879 Figure 6-1. Main Assembly OM-321 Page 18... - Page 23 Item Dia. Part Description Mkgs. Quantity Figure 6-1. Main Assembly ... . 202 390 COVER, top ............
- Page 24 Item Dia. Part Description Mkgs. Quantity Figure 6-2. Panel, Front w/Components (Fig 6-1 Item 16) ......NAMEPLATE, (order by model and serial number) .
- Page 25 Item Part Description Quantity 088 087 Figure 6-3. Switch, Range 2 Position (Fig 6-2 Item 3) ....072 026 BRACKET, mtg switch ..........
- Page 26 Notes...
- Page 27 Effective January 1, 2000 (Equipment with a serial number preface of “LA” 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 APT, ZIPCUT &...
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Page 28: For Service
Distributor Address City State For Service Call 1-800-4-A-Miller or see our website at www.MillerWelds.com to locate a DISTRIBUTOR or SERVICE AGENCY near you. Always provide Model Name and Serial/Style Number. Contact your Distributor for: Welding Supplies and Consumables Options and Accessories...