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Manual de instrucciones Miller Electric OM-193 084E

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Summary
  • Miller Electric OM-193 084E - page 1

    Processes Multiprocess W elding OM-193 084E March 2002 Description Arc Welding Power Source XMT 304 (460 V olt Models) R CC/CV and CC Models Visit our website at www.MillerWelds.com ...

  • Miller Electric OM-193 084E - page 2

    Miller Electric manufactures a full line of welders and welding related equipment. For information on other quality Miller products, contact your local Miller distributor to receive the latest full line catalog orindividual catalog sheets. T o locate your nearest distributor or service agency call 1-800-4-A-Miller , or visit us at www .MillerW elds ...

  • Miller Electric OM-193 084E - page 3

    The following terms are used interchangeably throughout this manual: TIG = GT A W Stick = SMAW T ABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Miller Electric OM-193 084E - page 4

    dec_con1 10/95 Declaration of Conformity For European Community (CE) Products Manufacturer ’s Name: Miller Electric Mfg. Co. Manufacturer ’s Address: 1635 W . Spencer Street Appleton, WI 54914 USA Declares that the product: XMT  304 conforms to the following Directives and Standards: Directives Electromagnetic compatibility Directives: 89/33 ...

  • Miller Electric OM-193 084E - page 5

    OM-193 084 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING som _nd_4/98 1-1. Symbol Usage Means W arning! W atch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. Y Marks a special safety message. . Means “ Note ” ; not safety related. This group of symbols means W arning! ...

  • Miller Electric OM-193 084E - page 6

    OM-193 084 Page 2 Arc rays from the welding process produce intense visible and invisible (ultraviolet and infrared) rays that can burn eyes and skin. Sparks fly off from the weld. ARC RA YS can burn eyes and skin. D Wear a welding helmet fitted with a proper shade of filter to protect your face and eyes when welding or watching (see ANSI Z49.1 and ...

  • Miller Electric OM-193 084E - page 7

    OM-193 084 Page 3 1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. D Do not install or place unit on, over , or near combustible surfaces. D Do not install unit near flammables. D Do not overload building wiring – be sure power supply system is properly sized, rated, and protected to handle this unit. ...

  • Miller Electric OM-193 084E - page 8

    OM-193 084 Page 4 1-5. EMF Information Considerations About W elding And The Effects Of Low Frequency Electric A n d M a g netic Fields W elding current, as it flows through welding cables, will cause electro- magnetic fields. There has been and still is some concern about such fields. However , after examining more than 500 studies spanning 17 yea ...

  • Miller Electric OM-193 084E - page 9

    OM-193 084 Page 5 SECTION 1 – CONSIGNES DE SECURITE – LIRE A V ANT UTILISA TION som _nd_fre 4/98 1-1. Signification des symboles Signifie Mise en garde ! Soyez vigilant ! Cette proc é dure pr é sente des risques de danger ! Ceux-ci sont identifi é s par des symboles adjacents aux directives. Y Identifie un message de s é curit é particulie ...

  • Miller Electric OM-193 084E - page 10

    OM-193 084 Page 6 Le rayonnement de l ’ arc du proc é d é de soudage g é n è re des rayons visibles et invisibles intenses (ultraviolets et infrarouges) susceptibles de provoquer des br û lures dans les yeux et sur la peau. Des é tincelles sont projet é es pendant le soudage. LES RA YONS DE L ’ ARC peuvent pro- voquer des br û lures dan ...

  • Miller Electric OM-193 084E - page 11

    OM-193 084 Page 7 1-3. Dangers suppl é mentaires en relation avec l ’ installation, le fonctionnement et la maintenance Risque D ’ INCENDIE OU D ’ EXPLOSION. D Ne pas placer l ’ appareil sur , au-dessus ou à proxi- mit é de surfaces infllammables. D Ne pas installer l ’ appareil à proximit é de produits inflammables D Ne pas surcharg ...

  • Miller Electric OM-193 084E - page 12

    OM-193 084 Page 8 1-4. Principales normes de s é curit é Safety in W elding and Cutting, norme ANSI Z49.1, de l ’ American Wel- ding Society , 550 N.W . Lejeune Rd, Miami FL 33126 Safety and Health Sandards, OSHA 29 CFR 1910, du Superintendent of Documents, U.S. Government Printing Of fice, Washington, D.C. 20402. Recommended Safe Practice for ...

  • Miller Electric OM-193 084E - page 13

    OM-193 084 Page 9 SECTION 2 – DEFINITIONS 2-1. Manufacturer ’ s W arning Label Definitions W arning! W atch Out! There are possible hazards as shown by the symbols. 1 Electric shock from welding electrode or wiring can kill. 1.1 W ear dry insulating gloves. Do not touch electrode with bare hand. Do not wear wet or damaged gloves. 1.2 Protect yo ...

  • Miller Electric OM-193 084E - page 14

    OM-193 084 Page 10 S-185 836 > 60 s V V V 1 W arning! W atch Out! There are possible hazards as shown by the symbols. 2 Electric shock from wiring can kill. 3 Disconnect input plug or power before working on machine. 4 Hazardous voltage remains on input capacitors after power is turned off. Do not touch fully charged capacitors. 5 Always wait 60 ...

  • Miller Electric OM-193 084E - page 15

    OM-193 084 Page 1 1 2-2. Manufacturer ’ s Rating Labels ...

  • Miller Electric OM-193 084E - page 16

    OM-193 084 Page 12 2-3. Symbols And Definitions A Amperage Panel Alternating Current (AC) V V oltage Output Circuit Breaker Remote On Of f Gas Tungsten Arc W elding Negative V oltage Input Direct Current (DC) Positive Inductance Protective Earth (Ground) Constant Current Constant V oltage Foot Control Line Connection Arc Force Shielded Metal Arc W ...

  • Miller Electric OM-193 084E - page 17

    OM-193 084 Page 13 SECTION 3 – INST ALLA TION 3-1. Specifications Rated W elding Output V oltage Range (CC/CV Amperage Range Maximum Open-Circuit IP Rating Amperes Input at Rated Load Output 50/60 Hz Output Models Only) Range V oltage DC 460 V KV A KW 300 A @ 32 V olts DC, 60% Duty Cycle 10 – 35 5 – 400 90 23 18.5 (0.15*) 14.9 (0.09*) 1 1.4 ( ...

  • Miller Electric OM-193 084E - page 18

    OM-193 084 Page 14 3-3. V olt-Ampere Curves va_curve1 4/95 – SA-178 652 / SA-178 653 V olt-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 ...

  • Miller Electric OM-193 084E - page 19

    OM-193 084 Page 15 3-4. Selecting A Location loc_2 3/96 - ST -801 192 1 Lifting Handles Use handles to lift unit. 2 Hand Cart Use cart or similar device to move unit. 3 Plate Label Use label to determine input power needs. 4 Line Disconnect Device Locate unit near correct input power supply . Y Special installation may be required where gasoline or ...

  • Miller Electric OM-193 084E - page 20

    OM-193 084 Page 16 3-5. W eld Output T erminals And Selecting Cable Sizes Y ARC WELDING can cause Electromagnetic Interference. T o 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 weld ...

  • Miller Electric OM-193 084E - page 21

    OM-193 084 Page 17 3-7. Electrical Service Guide Actual input voltage should not exceed ± 10% of indicated required input voltage. If actual input voltage is outside of this range, output may not be available. NOTE Input V oltage 460 Input Amperes At Rated Output 18.5 Max Recommended Standard Fuse Or Circuit Breaker Rating In Amperes 30 Reference: ...

  • Miller Electric OM-193 084E - page 22

    OM-193 084 Page 18 SECTION 4 – OPERA TION 4-1. Front Panel Controls 1 Power On/Off Switch . The fan motor is thermostatically controlled and only runs when cooling is needed. 2 V oltmeter (see Section 4-2) 3 Ammeter (see Section 4-2) 4 V oltage/Amperage Adjustment Control 5 Mode Switch Th e Mode switch setting determines both the process and outp ...

  • Miller Electric OM-193 084E - page 23

    OM-193 084 Page 19 4-2. Meter Functions The meters display the actual weld output values for approximately three seconds after the arc is broken. NOTE Mode Meter Reading At Idle Lift-Arc T rigger Hold TIG (GT A W) VA Blank Preset Amps 85 TIG (GT A W) Blank Preset Amps VA 85 MIG (GMAW) Preset V olts Blank VA 24.5 Pulsed MIG (GMA W -P) Pulse Display ...

  • Miller Electric OM-193 084E - page 24

    OM-193 084 Page 20 4-3. 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. NOTE Mode Output Control Lift-Arc T rigger Hold TIG (GT A W) Select: or Amp Requires: Control T ...

  • Miller Electric OM-193 084E - page 25

    OM-193 084 Page 21 4-4. Lift-Arc T rigger Hold TIG 1 TIG Electrode 2 W orkpiece . Procedure requires: Start sequence: • T ouch tungsten electrode to workpiece at weld start point. • Momentarily depress output switch. • Slowly lift electrode. An arc will form when electrode is lifted. • T o stop welding, momentarily depress output switch and ...

  • Miller Electric OM-193 084E - page 26

    OM-193 084 Page 22 SECTION 5 – MAINTENANCE & TROUBLESHOOTING 5-1. Routine Maintenance Y Disconnect power before maintaining. . Maintain more often during severe conditions. 3 Months Replace Damaged Or Unreadable Labels Replace Cracked T orch Body Repair Or Replace Cracked Cables Repair Or Replace Cracked Cables And Cords Clean And Tighten W e ...

  • Miller Electric OM-193 084E - page 27

    OM-193 084 Page 23 5-3. V oltmeter/Ammeter Help Displays . Al l directions are in reference to the front of the unit. All circuitry referred to is lo- cated inside the unit. 1 Help 0 Display Indicates a shorted thermistor RT2 on the left side o f t h e unit. If this display is shown, con- tact a Factory Authorized Service Agent. 2 Help 1 Display In ...

  • Miller Electric OM-193 084E - page 28

    OM-193 084 Page 24 5-4. Circuit Breakers CB1 And CB2 Ref. ST-801 245-A / Ref. 183 308 1 Circuit Breaker CB1 2 Circuit Breaker CB2 CB1 protects 1 10 volt ac portion of Remote 14 receptacle (see Section 3-6) from overload. CB2 protects 24 volt ac portion of Remote 14 receptacle from overload. Press button to reset breaker . 1 2 CB1 CB2 5-5. T roubles ...

  • Miller Electric OM-193 084E - page 29

    OM-193 084 Page 25 SECTION 6 – ELECTRICAL DIAGRAM 197 552 Figure 6-1. Circuit Diagram For Welding Power Source ...

  • Miller Electric OM-193 084E - page 30

    OM-193 084 Page 26 SECTION 7 – P ARTS LIST 802 500 – B Figure 7-1. Main Assembly ...

  • Miller Electric OM-193 084E - page 31

    OM-193 084 Page 27 Description Part No. Dia. Mkgs. Item No. Figure 7-1. Main Assembly Quantity 1 +175 148 WRAPPER 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 256 INSULA TOR, side RH 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Miller Electric OM-193 084E - page 32

    OM-193 084 Page 28 Description Part No. Dia. Mkgs. Item No. Figure 7-1. Main Assembly (Continued) Quantity 46 207 467 HEA T SINK, rect 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 175 255 INSULA TOR, rectifier 1 . . . . . . . . . . . . . . . . . . . . . . ...

  • Miller Electric OM-193 084E - page 33

    OM-193 084 Page 29 Notes ...

  • Miller Electric OM-193 084E - page 34

    OM-193 084 Page 30 Notes ...

  • Miller Electric OM-193 084E - page 35

    Warranty Questions? Call 1-800-4-A-MILLER for your local Miller distributor. miller_warr 10/01 Y our distributor also gives you ... Service Y ou always get the fast, reliable response you need. Most replacement parts can be in your hands in 24 hours. Support Need fast answers to the tough welding questions? Contact your distributor . The expertise ...

  • Miller Electric OM-193 084E - page 36

    PRINTED IN USA  2002 Miller Electric Mfg. Co. 1/02 Miller Elect ric Mfg. Co. An I l li noi s T ool W ork s Company 1635 W est Spencer Street Applet on, W I 5 4914 USA International He adquarters – USA USA Phone: 920-735-4505 Auto-A t t ended USA & C anada F AX : 9 20-735-4134 Int ernational F AX: 920-735-4125 European Headqua rters – Uni ...

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