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Unitor UWI 400 Mode D'emploi

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OM-202 137W
2012−10
Processes
Multiprocess Welding
Description
Arc Welding Power Source
UWI 400
(380/440 Volt Model) CE

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  • Page 1 OM-202 137W 2012−10 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 UNITOR UWI 400 670398 Council Directives: • 2006/95/EC Low Voltage •...

  • Page 5: Section 1 − Safety Precautions - Read Before Using

    SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som 2011−10 Protect yourself and others from injury — read, follow, and save these important safety precautions and operating instructions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if Indicates special instructions.
  • Page 6 D Remove stick electrode from holder or cut off welding wire at FUMES AND GASES can be hazardous. contact tip when not in use. D Wear oil-free protective garments such as leather gloves, heavy Welding produces fumes and gases. Breathing 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. BATTERY EXPLOSION can injure. D Do not install or place unit on, over, or near D Do not use welder to charge batteries or jump combustible surfaces. start vehicles unless it has a battery charging D Do not install unit near flammables.

  • Page 8: California Proposition 65 Warnings

    1-4. California Proposition 65 Warnings Welding or cutting equipment produces fumes or gases This product contains chemicals, including lead, known to which contain chemicals known to the State of California to the state of California to cause cancer, birth defects, or other cause birth defects and, in some cases, cancer.

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

    SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION fre_som_2011−10 Pour écarter les risques de blessure pour vous−même et pour autrui — lire, appliquer et ranger en lieu sûr ces consignes relatives aux précautions de sécurité et au mode opératoire. 2-1.
  • Page 10 Il reste une TENSION DC NON NÉGLIGEABLE dans LE SOUDAGE peut provoquer un les sources de soudage onduleur UNE FOIS incendie ou une explosion. l’alimentation coupée. Le soudage effectué sur des conteneurs fermés tels D Arrêter les convertisseurs, débrancher le courant électrique et que des réservoirs, tambours ou des conduites peut 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

    ACCUMULATIONS LES BOUTEILLES peuvent exploser risquent de provoquer des blessures si elles sont endommagées. ou même la mort. Les bouteilles de gaz comprimé contiennent du gaz D Fermer l’alimentation du gaz comprimé en cas sous haute pression. Si une bouteille est endommagée, elle peut exploser.

  • Page 12: Proposition Californienne 65 Avertissements

    Les PIÈCES MOBILES peuvent RAYONNEMENT HAUTE causer des blessures. FRÉQUENCE (H.F.) risque provoquer des interférences. D Ne pas s’approcher des organes mobiles. D Ne pas s’approcher des points de coincement D Le rayonnement haute fréquence (H.F.) peut tels que des rouleaux de commande. provoquer des interférences avec les équi- pements de radio−navigation et de com- LES FILS DE SOUDAGE peuvent...

  • Page 13: Principales Normes De Sécurité

    2-5. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Spectrum Way, Suite 100, Ontario, Canada L4W 5NS (phone: is available as a free download from the American Welding Society at 800-463-6727, website: www.csa-international.org). http://www.aws.org or purchased from Global Engineering Documents Safe Practice For Occupational And Educational Eye And Face Protec- (phone: 1-877-413-5184, website: www.global.ihs.com).
  • Page 14 OM-202 137 Page 10...

  • Page 15: Section 3 − Definitions

    SECTION 3 − DEFINITIONS 3-1. Additional Safety Symbols And Definitions Some symbols are found only on CE products. Warning! Watch Out! There are possible hazards as shown by the symbols. Safe1 2012−05 Do not discard product (where applicable) with general waste. Reuse or recycle Waste Electrical and Electronic Equipment (WEEE) by disposing at a designated collection facility.
  • Page 16 Do not weld on drums or any closed containers. Safe16 2012−05 Do not remove or paint over (cover) the label. Safe20 2012−05 Disconnect input plug or power before working on machine. Safe30 2012−05 Flying pieces of parts can cause injury. Always wear a face shield when servicing unit. Safe27 2012−05 Always wear long sleeves and button your collar when servicing unit.

  • Page 17: Miscellaneous Symbols And Definitions

    Wear hat and safety glasses. Use ear protection and button shirt collar. Use welding helmet with correct shade of filter. Wear complete body protection. Safe38 2012−05 Kasjf;laksf;lkasdf'l;aksdf;lkasd;flksadflkasd;lk Kasjf;laksf;lkasdf'l;aksdf;lkasd;flksadflkasd;lk Kasjf;laksf;lkasdf'l;aksdf;lkasd;flksadflkasd;lk Become trained and read the instructions before working on the machine or welding. Safe40 2012−05 Hazardous voltage remains on input capacitors after power is turned off.

  • Page 18: Section 4 − Installation

    SECTION 4 − INSTALLATION 4-1. Important Information Regarding CE Products (Sold Within The EU) A. Information On Electromagnetic Fields (EMF) This equipment shall not be used by the general public as the EMF limits for the general public might be exceeded during welding. This equipment is built in accordance with EN 60974−1 and is intended to be used only in an occupational environment (where the general public access is prohibited or regulated in such a way as to be similar to occupational use) by an expert or an instructed person.

  • Page 19: Duty Cycle And Overheating

    4-5. Duty Cycle And Overheating Duty Cycle is percentage of 10 min- utes that unit can weld at rated load without overheating. If unit overheats, output stops, a Help message is displayed (see Section 6-3), and cooling fan runs. Wait fifteen minutes for unit to cool. Reduce amperage or duty cycle be- fore welding.

  • Page 20: Dimensions And Weight

    4-7. Dimensions And Weight Hole Layout Dimensions 11-3/4 in. (298 mm) 24 in. (610 mm) 1-11/16 in. (42 mm) 15-3/4 in. (400 mm) 17 in. (432 mm) 19-3/32 in. (485 mm) 8-11/16 in. (221 mm) 1-17/32 in. (39 mm) 12-1/2 in. 1/4-20 UNC -2B thread (318 mm) Weight...

  • Page 21: Weld Output Terminals And Selecting Cable Sizes

    4-9. Weld Output Terminals And Selecting Cable Sizes NOTICE − The Total Cable Length in Weld Circuit (see table below) is the combined length of both weld cables. For example, if the power source is 100 ft (30 m) from the workpiece, the total cable length in the weld circuit is 200 ft (2 cables x 100 ft). Use the 200 ft (60 m) column to determine cable size.

  • Page 22: Remote 14 Receptacle Information

    4-10. Remote 14 Receptacle Information Socket* Socket Information 24 volts AC. Protected by supplementary protect- or CB2. 24 VOLTS AC Contact closure to A completes 24 volts AC con- tactor control circuit. C L N 115 volts AC. Protected by supplementary pro- tector CB1.

  • Page 23: Electrical Service Guide

    4-11. Electrical Service Guide NOTICE − INCORRECT INPUT POWER can damage this welding power source. This welding power source requires a CONTINUOUS supply of input power at rated frequency(+10%) and voltage (+10%). Phase to ground voltage shall not exceed +10% of rated input voltage. Do not use a genera- tor with automatic idle device (that idles engine when no load is sensed) to supply input power to this welding power source.

  • Page 24: Connecting 3-Phase Input Power

    4-12. Connecting 3-Phase Input Power = GND/PE Earth Ground Tools Needed: input2 2012−05 − Ref. 803 766-C / 801 192 OM-202 137 Page 20...
  • Page 25 4-13. Connecting 3-Phase Input Power (Continued) See rating label on unit and check input volt- Connect green or green/yellow grounding Installation must meet all National and age available at site. conductor to disconnect device grounding ter- Local Codes − have only qualified per- minal first.

  • Page 26: 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 27: 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 28: 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 29: 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 form when electrode is lifted. •...

  • Page 30: 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 31: Voltmeter/Ammeter Help Displays

    6-3. Voltmeter/Ammeter Help Displays All directions are in reference to the front of the unit. All circuitry referred to is located inside the unit. Help 0 Display HE.L P−0 Indicates a shorted thermistor RT2 on the left side of the unit. If this dis- play is shown, contact a Factory Au- thorized Service Agent.

  • Page 32: Voltmeter/Ammeter Help Displays (Continued)

    6-4. Voltmeter/Ammeter Help Displays (Continued) All directions are in reference to the front of the unit. All circuitry referred to is located inside the unit. Help 5 Display HE.L P−5 Indicates the right side of the unit has overheated. The unit has shut down to allow the fan to cool it (see Section 4-5).

  • Page 33: Supplementary Protectors

    6-5. Supplementary Protectors Supplementary Protector CB1 Supplementary Protector 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 supplement- ary protector. Ref.

  • Page 34: Section 7 − Electrical Diagram

    SECTION 7 − ELECTRICAL DIAGRAM 239 530-B Figure 7-1. Circuit Diagram For Welding Power Source OM-202 137 Page 30...
  • Page 35 Notes OM-202 137 Page 31...

  • Page 36: Section 8 − Parts List

    SECTION 8 − PARTS LIST 802 801-D Figure 8-1. Parts Assembly OM-202 137 Page 32...
  • Page 37 Item Dia. Part Mkgs. Description Quantity Figure 8-1. Parts Assembly ....670729 Wrapper (ME-175 148) ......... .
  • Page 38 Item Dia. Part Mkgs. Description Quantity Figure 8-1. Parts Assembly (Continued) ......Heat Sink, Rect (ME-207 467) .
  • Page 39 Notes Work like a Pro! Pros weld and cut safely. Read the safety rules at the beginning of this manual.
  • Page 40 ® Unitor ASA Drammensveien 211 P.O. Box 300 Skoyen N−0212 Oslo Norway Tel: +47 22 13 14 15 PRINTED IN USA 2012−01...

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