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Unitor UWI 400 Manuel D'utilisation

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OM-202 137Q
2008−11
Processes
Multiprocess Welding
Description
Arc Welding Power Source
UWI 400
(380/440 Volt Model) CE

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  • Page 1 OM-202 137Q 2008−11 Processes Multiprocess Welding Description Arc Welding Power Source UWI 400 (380/440 Volt Model) CE...

  • Page 3: Table Des Matières

    TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ........1-1.
  • Page 4 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). Product/Apparatus Identification: Product Stock Number UWI 400 670398 Council Directives: 2006/95/EC Low Voltage 2004/108/EC Electromagnetic Compatibility 2006/42/EEC Machinery Directive Standards: IEC 60974­1 Arc Welding Equipment ­...

  • 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-202 137 Page 10...

  • Page 15: 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 16 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 17: Weee 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 18: Symbols And Definitions

    3-3. 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 19: Section 4 − Installation

    SECTION 4 − INSTALLATION 4-1. Specifications Amperes Input at Rated Rated Maximum Voltage Amperage Load Output 50/60 Hz Welding Open-Circuit Range Range Rating Output Voltage DC 380 V 440 V 300 A @ 21.0 19.0 12.4 11.5 32 Volts DC, 10 −...

  • Page 20: 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 16...

  • Page 21: Dimensions And Weight

    4-4. Dimensions And Weight Hole Layout Dimensions 24 in (610 mm) 11-3/4 in (298 mm) 17 in 1-11/16 in (42 mm) (432 mm) 15-3/4 in (400 mm) 19-3/32 in (485 mm) 12-1/2 in (318 mm) 8-11/16 in (221 mm) 1-17/32 in (39 mm) 804 801-A 1/4-20 UNC -2B thread Weight...

  • Page 22: Weld Output Terminals And Selecting Cable Sizes

    4-6. Weld Output Terminals And Selecting Cable Sizes 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 23: Remote 14 Receptacle Information

    4-7. Remote 14 Receptacle Information Socket* Socket Information 24 volts ac. Protected by circuit breaker CB2. 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 Contact closure to I completes 115 volts ac con- tactor control circuit.

  • Page 24: Connecting 3-Phase Input Power

    4-9. Connecting 3-Phase Input Power Installation must meet all National and Local Codes − have only quali- fied persons make this installation. Disconnect and lockout/tagout in- put power before connecting input conductors from unit. = GND/PE Earth Ground Always connect green or green/ yellow conductor supply...

  • Page 25: 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 26: Meter Functions

    5-2. Meter Functions 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 Pulsed MIG...

  • Page 27: Mode Switch Settings

    5-3. Mode Switch Settings 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 28: 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 29: Section 6 − Maintenance & Troubleshooting

    SECTION 6 − MAINTENANCE & TROUBLESHOOTING 6-1. Routine Maintenance 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 30: 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 31: 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 32 Notes OM-202 137 Page 28...

  • Page 33: Section 7 − Electrical Diagram

    SECTION 7 − ELECTRICAL DIAGRAM 239 530-A Figure 7-1. Circuit Diagram For Welding Power Source OM-202 137 Page 29...

  • Page 34: Section 8 − Parts List

    SECTION 8 − PARTS LIST 802 801-C Figure 8-1. Parts Assembly OM-202 137 Page 30...
  • Page 35 Item Dia. Part Mkgs. Description Quantity Figure 8-1. Parts Assembly ....670729 Wrapper (ME-175 148) ......... .
  • Page 36 Item Dia. Part Mkgs. Description Quantity Figure 8-1. Parts Assembly (Continued) ......Heat Sink, Rect (ME-207 467) .
  • Page 38 Notes MATERIAL THICKNESS GAUGE...
  • Page 39 Notes Work like a Pro! Pros weld and cut safely. Read the safety rules at the beginning of this manual.

  • Page 40: Options And Accessories

    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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670398

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