Miller Electric UNITOR UWI 150 Auto-Line Owner's Manual

Arc welding power source
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UWI 150 Auto-Line
OM-220 340E
2008−11
Processes
Stick (SMAW) Welding
TIG (GTAW) Welding
Description
Arc Welding Power Source
CE
R

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Summary of Contents for Miller Electric UNITOR UWI 150 Auto-Line

  • Page 1 OM-220 340E 2008−11 Processes Stick (SMAW) Welding TIG (GTAW) Welding Description Arc Welding Power Source UWI 150 Auto-Line...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ........1-1.
  • Page 3: Declaration Of Conformity

    DECLARATION OF CONFORMITY for European Community (CE marked) products. MILLER Electric Mfg. Co., 1635 Spencer Street, Appleton, WI 54914 U.S.A. declares that the product(s) identified in this declaration conform to the essential requirements and provisions of the stated Council Directive(s) and Standard(s).
  • Page 4 Notes...
  • Page 5: Section 1 − Safety Precautions - Read Before Using

    SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _2007−04 Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if Indicates special instructions. not avoided, will result in death or serious injury. The possible hazards are shown in the adjoining symbols or explained in the text.
  • Page 6 D Do not use welder to thaw frozen pipes. FUMES AND GASES can be hazardous. D Remove stick electrode from holder or cut off welding wire at contact tip when not in use. Welding produces fumes and gases. Breathing D Wear oil-free protective garments such as leather gloves, heavy these fumes and gases can be hazardous to your shirt, cuffless trousers, high shoes, and a cap.
  • 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: California Proposition 65 Warnings

    1-4. California Proposition 65 Warnings For Gasoline Engines: Welding or cutting equipment produces fumes or gases which contain chemicals known to the State of California to Engine exhaust contains chemicals known to the State of cause birth defects and, in some cases, cancer. (California California to cause cancer, birth defects, or other reproduc- Health &...
  • Page 9: Section 2 − Consignes De Sécurité − Lire Avant Utilisation

    SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION fre_som_2007−04 Se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes. 2-1. Symboles utilisés DANGER! − Indique une situation dangereuse qui si on Indique des instructions spécifiques.
  • Page 10 Il reste une TENSION DC NON NÉGLIGEABLE dans LE SOUDAGE peut provoquer un in les sources de soudage onduleur quand on a cendie ou une explosion. coupé l’alimentation. Le soudage effectué sur des conteneurs fermés tel D Arrêter les convertisseurs, débrancher le courant électrique et que des réservoirs, tambours ou des conduites peu décharger les condensateurs d’alimentation selon les instructions provoquer leur éclatement.
  • Page 11: Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance

    D Protéger les bouteilles de gaz comprimé d’une chaleur excessive, ACCUMULATIONS des chocs mécaniques, des dommages physiques, du laitier, des risquent de provoquer des blessures flammes ouvertes, des étincelles et des arcs. ou même la mort. D Placer les bouteilles debout en les fixant dans un support station- D Fermer l’alimentation du gaz protecteur en cas naire ou dans un porte-bouteilles pour les empêcher de tomber ou de non-utilisation.
  • Page 12: Proposition Californienne 65 Avertissements

    LES FILS DE SOUDAGE peuvent LE RAYONNEMENT HAUTE FRÉ- provoquer des blessures. QUENCE (H.F.) risque de provoquer des interférences. D Ne pas appuyer sur la gâchette avant d’en avoir reçu l’instruction. D Le rayonnement haute fréquence (H.F.) peut D Ne pas diriger le pistolet vers soi, d’autres per- provoquer des interférences avec les équipe- sonnes ou toute pièce mécanique en enga- ments de radio−navigation et de communica-...
  • Page 13: Principales Normes De Sécurité

    2-5. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, L4W 5NS (téléphone : 800-463-6727 ou à Toronto 416-747-4044, site de Global Engineering Documents (téléphone : 1-877-413-5184, site Internet : www.csa-international.org). Internet : www.global.ihs.com). Safe Practice For Occupational And Educational Eye And Face Protec- tion, ANSI Standard Z87.1, de American National Standards Institute, Recommended Safe Practices for the Preparation for Welding and Cut- 11 West 43rd Street, New York, NY 10036-8002 (téléphone :...
  • Page 14 OM-220 340 Page 10...
  • Page 15: Section 3 − Definitions

    SECTION 3 − DEFINITIONS 3-1. Warning Label Definitions A. Warning! Watch Out! There are possible Breathing welding fumes can be hazardous fire extinguisher nearby, and have a to your health. watchperson ready to use it. hazards as shown by the symbols. 3.3 Do not weld on drums or any closed 2.1 Keep your head out of the fumes.
  • Page 16: Symbols And Definitions

    3-2. Symbols And Definitions Shielded Metal Arc Amperes Voltage Input Process Welding (SMAW) Increase/Decrease Single Phase Static Frequency Volts Of Quantity Converter-Transformer-Rectifier Output Negative Positive Hertz Gas Input High Temperature Direct Current Line Connection Conventional Load Percent Duty Cycle Primary Voltage Voltage Alternating Rated No Load...
  • Page 17: Section 4 − Specifications And Installation

    SECTION 4 − SPECIFICATIONS AND INSTALLATION 4-1. Serial Number And Rating Label Location The serial number and rating information is located on the bottom of the machine. Use the rating labels to determine input power requirements and/or rated output. CE model rating labels will also display the following symbols: CE, CCC, WEEE, and IEC 60974-1. For future reference, write serial number in space provided on back cover of this manual.
  • Page 18: Volt-Ampere Curves

    4-4. Volt-Ampere Curves Volt-ampere curves show minimum and maximum voltage and amperage output capabilities of welding power source. Curves of other settings fall between curves shown. 115 VAC Input 230 VAC Input TIG/Stick Max TIG/Stick Max TIG Min TIG Min Stick Min Stick Min 160 180 200...
  • Page 19: Selecting Extension Cord (Use Shortest Cord Possible)

    4-6. Selecting Extension Cord (Use Shortest Cord Possible) Conductor Size − AWG [mm Single Phase AC 4 [21.2] 6 [13.3] 8 [8.4] 10 [5.3] 12 [3.3] Input Voltage Maximum Allowable Cord Length in ft (m) 160 (49) 107 (33) 71 (22) 47 (14) 29 (9) 471 (144)
  • Page 20: Tig Lift-Arc Dcen (Direct Current Electrode Negative) Connections

    4-8. TIG Lift-Arc DCEN (Direct Current Electrode Negative) Connections Turn off power before mak- ing connections. Positive (+) Weld Output Terminal Connect work lead to positive weld output terminal. Negative (−) Weld Output Terminal Connect TIG torch to negative weld output terminal.
  • Page 21: Section 5 − Operation

    SECTION 5 − OPERATION 5-1. Front Panel Controls Ready Light Light comes on approximately two seconds af- Ref. 803 375 / 219 846 ter power switch is placed in On (I) position if Lift-Arc or Stick has been selected. The light in- dicates that the unit is energized and ready for welding.
  • Page 22: Lift-Arce

    5-3. Lift-Arc Lift-Arc Start TIG Electrode Workpiece Touch tungsten electrode to work- piece, hold for 1-2 seconds, slowly 1 − 2 “Touch” lift electrode, and an arc forms. Seconds Open-circuit voltage may be present before electrode touches workpiece. Do NOT Strike Like A Match! OM-220 340 Page 18...
  • Page 23: Section 6 − Maintenance And Troubleshooting

    SECTION 6 − MAINTENANCE AND TROUBLESHOOTING 6-1. Routine Maintenance Disconnect power before maintaining. Maintain more often during severe conditions. n = Check Z = Change ~ = Clean = Repair l = Replace * To be done by Factory Authorized Service Agent Every Months ~ Weld Terminals...
  • Page 24 Trouble Remedy Use proper type and size of tungsten. TIG welding problems: Wandering arc; hard starts; poor welding characteris- Use properly prepared tungsten. tics; spattering problems. Check and reverse electrode polarity. TIG welding problems: Tungsten elec- Shield weld zone from drafts. trode oxidizing and not remaining bright Check for correct type shielding gas.
  • Page 25: Section 7 − Electrical Diagram

    SECTION 7 − ELECTRICAL DIAGRAM 220 287-C Figure 7-1. Circuit Diagram For Welding Power Source OM-220 340 Page 21...
  • Page 26: Section 8 − Parts List

    SECTION 8 − PARTS LIST Hardware is common and not available unless listed. 803 814-D Figure 8-1. Parts View OM-220 340 Page 22...
  • Page 27 Item Dia. Unitor Part Mkgs. Description Quantity ... . . ______ Insulator w/label ME208 701 ......... .
  • Page 28 Unitor ASA Drammensveien 211 P.O. Box 300 Skoyen N−0212 Oslo Norway Tel: +47 22 13 14 15 PRINTED IN USA 1/04...

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