Miller Dialarc 250 AC/DC Manuel Du Propriétaire
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- Mode d'emploi (36 pages) ,
- Manuel du propriétaire (32 pages)
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- Page 1 OM-314 029 861V November 1999 Processes Stick (SMAW) Welding Description Arc Welding Power Source Dialarc 250/250P AC/DC Visit our website at www.MillerWelds.com...
- Page 2 – every power source from This Owner’s Manual is designed to help you get the most out of your Miller is backed by the most Miller products. Please take time to read the Safety precautions. They will hassle-free warranty in the business.
- Page 3 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 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.
- Page 7 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 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 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.
- Page 11 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 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 2-1. Specifications Amperes Input At Rated Load Output, Amperes Input At Rated Load 50 Hz, Single-Phase Output, 60 Hz, Single-Phase Model Model 220 V 260 V 380 V 440 V 520 V 200 V 230 V 460 V 575 V 57.5...
- Page 14 2-3. Volt-Ampere Curves The volt-ampere curves show the minimum and maximum voltage and amperage output capabilities of the welding power source. Curves of other settings fall between the curves shown. A. DC Mode B. AC Mode ssb1.1 10/91 – SB-002 696-A / SB–002 689-A 2-4.
- Page 15 2-5. Selecting A Location Rating Label Use rating label to determine input power needs. Label located on front panel. Movement Tipping Line Disconnect Device Y Do not move or operate unit Locate unit near correct input pow- where it could tip. er supply.
- Page 16 2-7. Connecting To Weld Output Terminals For DC Weld Output Negative (–) Weld Output Terminal Positive (+) Weld Output Terminal For Electrode Positive (DCEP), connect work cable to Negative (–) terminal and electrode holder cable to Positive (+) terminal. For Electrode Negative (DCEN), reverse cable connections.
- Page 17 2-8. Electrical Service Guide 60 Hertz Models With Power Factor Correction Without Power Factor Correction Input Voltage 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) 87 (27)
- Page 18 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 3-1. Controls ST-186 137 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 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 For Primary Circuit Diagram Portion, refer to the Circuit Diagram located inside the wrapper of the welding power source. SB-090 666-D Figure 5-1. Circuit Diagram For 60 Hertz Models For Primary Circuit Diagram Portion, refer to the Circuit Diagram located inside the wrapper of the welding power source.
- Page 22 SECTION 6 – PARTS LIST Hardware is common and not available unless listed. FIG 6–4 FIG 6–2 ST-133 712-G Figure 6-1. Main Assembly OM-314 Page 18...
- Page 23 Replace Coils at Factory or Factory Authorized Service Station Quantity Model Item Dia. Part Without With Description Mkgs. Figure 6-1. Main Assembly ... . 034 288 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 OM-314 Page 22...
- 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 &...
- Page 28 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...