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Visit our website at
www.MillerWelds.com
Delta-Fab
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
File: MIG (GMAW)

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Table des Matières
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Sommaire des Matières pour Miller Delta-Fab

  • Page 1 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...
  • Page 2 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.
  • Page 3: Table Des Matières

    TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ........1-1.
  • Page 4 Notes...
  • Page 5: Section 1 − Safety Precautions - Read Before Using

    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.
  • 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 visible and invisible (ultraviolet and infrared) rays D Always ventilate confined spaces or use that can burn eyes and skin.
  • Page 7: Additional Symbols For Installation, Operation, And Maintenance

    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.
  • Page 8: Principal Safety Standards

    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...
  • Page 9: Section 2 − Consignes De Sécurité − Lire Avant Utilisation

    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.
  • Page 10 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.
  • Page 11: Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance

    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...
  • Page 12: Principales Normes De Sécurité

    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).
  • Page 13: Section 3 − Installation

    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 −...
  • Page 14: Volt-Ampere Curves

    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...
  • Page 15: Selecting A Location

    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.
  • Page 16: Dimensions And Weights

    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...
  • Page 17: Weld Output Terminals And Selecting Cable Sizes

    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)
  • Page 18: Remote 14 Receptacle Rc8

    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.
  • Page 19: Electrical Service Guide

    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...
  • Page 20: Connecting Input Power

    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.
  • Page 21: Section 4 − Operation

    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.
  • Page 22: Fuse F1

    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.
  • Page 23: Troubleshooting Table

    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).
  • Page 24: Section 6 − Electrical Diagram

    SECTION 6 − ELECTRICAL DIAGRAM 218 521-A Figure 6-1. Circuit Diagram OM-2241 Page 20...
  • Page 25 Notes OM-2241 Page 21...
  • Page 26: Section 7 − Parts List

    SECTION 7 − PARTS LIST Hardware is common and not available unless listed. 803 388-B Figure 7-1 Main Assembly OM-2241 Page 22...
  • Page 27 Item Dia. Part Mkgs. Description Quantity Figure 7-1 Main Assembly ....+179 430 PANEL, side ............
  • Page 28 Item Dia. Part Mkgs. Description Quantity Figure 7-2 Panel, Front w/Components (Fig 7-1 Item 33) ....159 863 ELECTRONICS BOX ..........
  • Page 29 Item Dia. Part Mkgs. Description Quantity Figure 7-2 Panel, Front w/Components (Fig 7-1 Item 33) (continued) ....+172 587 COVER, stud output ..........
  • Page 30 Item Dia. Part Mkgs. Description Quantity Figure 7-4 Panel, Rear w/Components (Fig 7-1 Item 19) ....173 283 CHAMBER, plenum 14 in ........
  • Page 31 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.
  • Page 32: For Service

    Contact the Delivering Carrier to: File a claim for loss or damage during shipment. For assistance in filing or settling claims, contact your distributor and/or equipment manufacturer’s Transportation Department. © PRINTED IN USA 2005 Miller Electric Mfg. Co. 1/05...

Table des Matières