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Unitor UWI 400 Manuel Du Propriétaire

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OM-202 137M
2007−03
Processes
Multiprocess Welding
Description
Arc Welding Power Source
UWI 400
(380/440 Volt Model)

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  • Page 1 OM-202 137M 2007−03 Processes Multiprocess Welding Description Arc Welding Power Source UWI 400 (380/440 Volt Model)

  • Page 3: Table Des Matières

    TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ........1-1.
  • Page 4 Declaration of Conformity For European Community (CE) Products UWI 400 Declares that the product: conforms to the following Directives and Standards: Directives Electromagnetic compatibility Directives: 89/336/EEC, 92/31/EEC Low Voltage Directive: 73/23/EEC Machinery Directives: 89/392/EEC, 91/368/EEC, 93/C 133/04, 93/68/EEC Standards Electromagnetic compatibility (EMC) Product standard for arc welding equipment:...

  • 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

    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: 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 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

    2-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance Risque D’INCENDIE OU D’EXPLO- DES ORGANES MOBILES peuvent SION. provoquer des blessures. D Ne pas placer l’appareil sur, au-dessus ou D S’abstenir de toucher des organes mobiles tels à...

  • 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 − Definitions

    SECTION 3 − DEFINITIONS 3-1. Manufacturer’s Warning Label Definitions Warning! Watch Out! There are possible hazards as shown by the symbols. Electric shock from welding electrode or wiring can kill. 1.1 Wear dry insulating gloves. Do not touch electrode with bare hand.
  • Page 14 Warning! Watch Out! There are possible hazards as shown by the symbols. Electric shock from wiring can kill. Disconnect input plug or power before working on machine. Hazardous voltage remains on input capacitors after power is turned off. Do not touch fully charged capacitors.

  • Page 15: Manufacturer's Rating Label

    Warning! Watch Out! There are possible hazards as shown by the symbols. Beware of fire. Use of incorrect extension cord can cause fire. Always use extension cord that has the size of conductors and total length as specified in the table. Table showing correct >...

  • Page 16: Symbols And Definitions

    3-4. Symbols And Definitions Alternating Amperage Panel Voltage Current (AC) Output Circuit Breaker Remote Gas Tungsten Arc Negative Voltage Input Welding Direct Current Protective Earth Positive Inductance (DC) (Ground) Constant Current Constant Voltage Foot Control Line Connection Three Phase Static Frequency Con- Shielded Metal Arc Gas Metal Arc...

  • Page 17: Section 4 − Installation

    SECTION 4 − INSTALLATION 4-1. Specifications Amperes Input at Rated Rated Maximum Voltage Amperage Load Output 50/60 Hz Welding Welding Open-Circuit Open Circuit Range Range Range Range Rating Rating Output Voltage DC 380 V 440 V 300 A @ 21.0 19.0 12.4 11.5...

  • Page 18: Volt-Ampere Curves

    4-3. Volt-Ampere Curves Volt-ampere curves show minimum and maximum voltage and amper- age output capabilities of unit. Curves of other settings fall be- tween curves shown. A. CC Mode B. CV Mode ARC CONTROL va_curve1 4/95 − SA-178 652 / SA-178 653 OM-202 137 Page 14...

  • Page 19: Selecting A Location

    4-4. Selecting A Location 24 in (610 mm) Dimensions And Weight 87 lb (39.5 kg) 17 in (432 mm) 12-1/2 in (318 mm) Movement Lifting Handles Y Do not move or operate unit Use handles to lift unit. where it could tip. Hand Cart Use cart or similar device to move unit.

  • Page 20: Weld Output Terminals And Selecting Cable Sizes

    4-5. Weld Output Terminals And Selecting Cable Sizes Y ARC WELDING can cause Electromagnetic Interference. To reduce possible interference, keep weld cables as short as possible, close together, and down low, such as on the floor. Locate welding operation 100 meters from any sensitive electronic equipment. Be sure this welding machine is installed and grounded according to this manual.

  • Page 21: Remote 14 Receptacle Information

    4-6. Remote 14 Receptacle Information Socket* Socket Information 24 volts ac. Protected by circuit breaker CB2. 24 VOLTS AC 24 VOLTS AC Contact closure to A completes 24 volts ac con- tactor control circuit. C L N 115 volts ac. Protected by circuit breaker CB1. 115 VOLTS AC 115 VOLTS AC Contact closure to I completes 115 volts ac con-...

  • Page 22: Connecting 3-Phase Input Power

    4-8. Connecting 3-Phase 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. = GND/PE Earth Ground Y Always connect green or green/ yellow conductor...

  • Page 23: Section 5 − Operation

    SECTION 5 − OPERATION 5-1. Front Panel Controls 202 133 Power On/Off Switch best results, place Inductance/Dig control in When set lower, short-circuit amperage at the maximum position. low arc voltage is the same as normal welding The fan motor is thermostatically amperage.

  • Page 24: Meter Functions

    5-2. Meter Functions NOTE The meters display the actual weld output values for approximately three seconds after the arc is broken. Mode Meter Reading At Idle Lift-Arc Trigger Hold TIG (GTAW) Blank Preset Amps TIG (GTAW) Blank Preset Amps 24.5 MIG (GMAW) Preset Volts Blank...

  • Page 25: Mode Switch Settings

    5-3. Mode Switch Settings NOTE The SMAW modes provide the Adaptive Hot Start™ feature, which automatically increases the output amperage at the start of a weld should the start require it. This eliminates electrode sticking at arc start. Mode Output Control Select: Lift-Arc Trigger Hold TIG (GTAW)

  • Page 26: Lift-Arc Trigger Hold Tig

    5-4. Lift-Arc Trigger Hold TIG TIG Electrode Workpiece Procedure requires: control Start sequence: • Touch tungsten electrode to workpiece at weld start point. • Momentarily depress output switch. • Slowly lift electrode. An arc will 1 − 2 form when electrode is lifted. “Touch”...

  • Page 27: Section 6 − Maintenance & Troubleshooting

    SECTION 6 − MAINTENANCE & TROUBLESHOOTING 6-1. Routine Maintenance Y Disconnect power Maintain more often before maintaining. during severe conditions. 3 Months Repair Or Replace Replace Cracked Replace Damaged Or Torch Body Cracked Unreadable Cables Labels Repair Or Replace Cracked Cables And Cords Clean Tighten Weld...

  • Page 28: Voltmeter/Ammeter Help Displays

    6-3. Voltmeter/Ammeter Help Displays HE.L P−0 HE.L P−5 HE.L P−1 HE.L P−6 HE.L P−2 HE.L P−7 HE.L P−3 HE.L P−8 HE.L P−4 HE.L P−9 fan to cool it (see Section 4-2). Operation will shown, have an electrician check the input All directions are in reference to the front continue when the unit has cooled.

  • Page 29: Circuit Breakers

    6-4. Circuit Breakers Circuit Breaker CB1 Circuit Breaker CB2 CB1 protects 110 volt ac portion of Remote 14 receptacle from over- load. CB2 protects 24 volt ac portion of Remote receptacle from overload. Press button to reset breaker. Ref. ST-801 245-A 6-5.
  • Page 30 Notes OM-202 137 Page 26...

  • Page 31: Section 7 − Electrical Diagram

    SECTION 7 − ELECTRICAL DIAGRAM 212 655-A Figure 7-1. Circuit Diagram For Welding Power Source OM-202 137 Page 27...

  • Page 32: Section 8 − Parts List

    SECTION 8 − PARTS LIST 802 801-C Figure 8-1. Parts Assembly OM-202 137 Page 28...
  • Page 33 Item Dia. Part Mkgs. Description Quantity Figure 8-1. Parts Assembly ....670729 Wrapper (ME-175 148) ......... .
  • Page 34 Item Dia. Part Mkgs. Description Quantity Figure 8-1. Parts Assembly (Continued) ......Heat Sink, Rect (ME-207 467) .
  • Page 36 Owner’s Record Please complete and retain with your personal records. Model Name Serial/Style Number Purchase Date (Date which equipment was delivered to original customer.) Distributor Address City State Resources Available Always provide Model Name and Serial/Style Number. Contact your Distributor for: Welding Supplies and Consumables Options and Accessories Personal Safety Equipment...

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