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Miller Electric 350 VS manual

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  • Page 1

    Arc Welding Power Source XMT 350 VS Auto-Line OM-2251 217 661J 2007 − 11 Processes Description Multiprocess W elding ™ ™ File: MUL TIPROCESS V isit our website at www.MillerWelds.com[...]

  • 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 or individual specification sheets. T o locate your nearest distributor or service agency call 1-800-4-A-Miller , or visit us at www .Mille[...]

  • Page 3

    T ABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2. Arc W elding Hazards 1 . . . . . . . [...]

  • Page 4

    [...]

  • Page 5

    OM-2251 Page 1 SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _2007 − 04 7 Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if not avoided, will result in death or serious injury . The possible hazards are shown in the adjoining symbols or[...]

  • Page 6

    OM-2251 Page 2 W elding produces fumes and gases. Breathing these fumes and gases can be hazardous to your health. FUMES AND GASES can be hazardous. D Keep your head out of the fumes. Do not breathe the fumes. D If inside, ventilate the area and/or use local forced ventilation at the arc to remove welding fumes and gases. D If ventilation is poor ,[...]

  • Page 7

    OM-2251 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. F [...]

  • Page 8

    OM-2251 Page 4 1-4. California Proposition 65 W arnings W elding or cutting equipment produces fumes or gases which contain chemicals known to the State of California to cause birth defects and, in some cases, cancer . (California Health & Safety Code Section 25249.5 et seq.) Battery posts, terminals and related accessories contain lead and lea[...]

  • Page 9

    OM-2251 Page 5 SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE A V ANT UTILISA TION fre_som_2007 − 04 7 Se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes. 2-1. S ym bol e s ut ilisés DANGER! − Indique une situation dangereuse qui si on l’évite pas peut donner la mort ou des blessures graves[...]

  • Page 10

    OM-2251 Page 6 Il reste une TENSION DC NON NÉGLIGEABLE dans les sources de soudage onduleur quand on a coupé l’alimentation. D Arrêter les convertisseurs, débrancher le courant électrique et décharger les condensateurs d’alimentation selon les instructions indiquées dans la partie Entretien avant de toucher les pièces. DES PIÈCES CHAUD[...]

  • Page 11

    OM-2251 Page 7 LES ACCUMULA TIONS DE GAZ risquent de provoquer des blessures ou même la mort. D Fermer l’alimentation du gaz protecteur en cas de non-utilisation. D V eiller toujours à bien aérer les espaces confi- nés ou se servir d’un respirateur d’adduction d’air homologué. LES CHAMPS MAGNETIQUES peuv- ent affecter des implants méd[...]

  • Page 12

    OM-2251 Page 8 LES FILS DE SOUDAGE peuvent provoquer des blessures. D Ne pas appuyer sur la gâchette avant d’en avoir reçu l’instruction. D Ne pas diriger le pistolet vers soi, d’autres per- sonnes ou toute pièce mécanique en enga- geant le fil de soudage. DES ORGANES MOBILES peuvent provoquer des blessures. D S’abstenir de toucher des [...]

  • Page 13

    OM-2251 Page 9 2-5. P r i nc i pa l e s n or me s d e s éc u r i té Safety i n W elding, Cutting, and Allied Processes, ANSI Standard Z49.1, de Global Engineering Documents (téléphone : 1-877-413-5184, site Internet : www .global.ihs.com). Recommended Safe Practices for the Preparation for W elding and Cut- ting of Containers and Piping , Ameri[...]

  • Page 14

    OM-2251 Page 10[...]

  • Page 15

    OM-2251 Page 1 1 SECTION 3 − INTRODUCTION 3-1. Specifications Input V oltage Amperage Range in Max. Open- Circuit RMS Amps Input at Rated Load Output, 60 Hz 3-Phase at NEMA Load V oltages and Class I Rating Input Power Rated Output V oltage Range in CV Mode Range in CC Mode Circuit V oltage 208 V 230 V 400 V 460 V 575 V KV A KW 3-Phase 350 A at 3[...]

  • Page 16

    OM-2251 Page 12 6 Minutes W elding 4 Minutes Resting 3-3. 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 and cooling fan runs. Wait fifteen min- utes for unit to cool. Reduce amper- ag e or voltage, or duty cycle b[...]

  • Page 17

    OM-2251 Page 13 SECTION 4 − INSTALLATION 4-1. Dimensions And Weight Hole Layout Dimensions 24 in (610 A E A 1 1-3/4 in (298 mm) (610 mm) G F B 1-1 1/16 i n (42 mm) 17 in (432 mm) C 15-3/4 in (400 mm) D C D 19-3/32 in (485 mm) C E 8-1 1/16 i n (221 mm) 12-1/2 in (318 mm) F 1-17/32 in (39 mm) 804 801-A B G 1/4-20 UNC -2B thread W eight 80 lb (36.3 [...]

  • Page 18

    OM-2251 Page 14 4-3. Connecting 1-Phase Input Power Ref. 804 532-A ! Installation must meet all Na- tional and Local Codes − have only qualified persons make this installation. ! Disconnect and lockout/tag- out input power before con- necting input conductors from unit. ! Always connect green or green/yellow conductor to supply grounding terminal[...]

  • Page 19

    OM-2251 Page 15 4-4. Connecting 3-Phase Input Power Ref. 804 532-A ! Installation must meet all National an d Local Codes − have only quali- fied persons make this installation. ! Disconnect and lockout/tagout in- put power before connecting input conductors from unit. ! Always connect green or green/ yellow conductor to supply grounding terminal[...]

  • Page 20

    OM-2251 Page 16 4-5. Electrical Service Guide NOTICE − INCORRECT INPUT POWER can damage this welding power source. Phase to ground voltage shall not exceed +10% of rated input voltage. NOTICE − Actual input voltage should not be 10% less than minimum and/or 10% more than maximum input voltages listed in table. If actua l input voltage is outsid[...]

  • Page 21

    OM-2251 Page 17 4-6. W eld Output T erminals And Selecting Cable Sizes ! 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 welding[...]

  • Page 22

    OM-2251 Page 18 ‘ 4-7. Optional Gas V alve Operation And Shielding Gas Connection Obtain gas cylinder and chain to running gear , wall, or other station- ary support so cylinder cannot fall and break of f valve. 1 Cylinder 2 Regulator/Flowmeter Install so face is vertical. 3 Gas Hose Connection Fitting has 5/8-18 right-hand threads. Obtain and in[...]

  • Page 23

    OM-2251 Page 19 SECTION 5 − OPERATION V/A ADJUST ARC CONTROL ARC CONTROL 5-1. Front Panel Controls 1 Power Switch . The fan motor is thermostatically controlled and only runs when cooling is needed. 2 V oltmeter 3 Ammeter 4 V/A (V oltage/Amperage) Adjustment Control 5 Mode Switch Mode switch setting determines the process. Fo r Air Carbon Arc (CA[...]

  • Page 24

    OM-2251 Page 20 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 Meter Reading While W elding Scratch Start TIG VA Actual V olts (OCV) Preset Amps 71.7 85 Actual V olts Actual Amps VA 10.3 85 Lift-Arc TIG Actual V olts Preset Amps VA 14.1 85 A[...]

  • Page 25

    OM-2251 Page 21 5-4. Lift-Arc TIG Procedure With Process Switch in the Lift-Arc TI G position, start an arc as follows: 1 TIG Electrode 2 W orkpiece T ouch tungsten electrode to work- piece at weld start point, hold electrode to workpiece for 1-2 seconds , and slowly lift electrode. An arc will form when electrode is lifted. Normal open-circuit vol[...]

  • Page 26

    OM-2251 Page 22 SECTION 6 − MAINTENANCE & TROUBLESHOOTING 6-1. Routine Maintenance . Maintain more often during severe conditions. ! Disconnect power before maintaining. 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 eld [...]

  • Page 27

    OM-2251 Page 23 6-3. V oltmeter/Ammeter Help Displays . All directions are in reference to the front of the unit. All circuitry referred to is lo- cated inside the unit. 1 Help 1 Display Indicates a malfunction in the primary power circuit. If this display is shown, contact a Fac- tory Authorized Service Agent. 2 Help 2 Display Indicates a malfunct[...]

  • Page 28

    OM-2251 Page 24 SECTION 7 − ELECTRICAL DIAGRAM Figure 7-1. Circuit Diagram[...]

  • Page 29

    OM-2251 Page 25 219 863-C[...]

  • Page 30

    OM-2251 Page 26 SECTION 8 − P ARTS LIST Ref. 803 729-H 1 2 3 4 5 6 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 35 38 39 41 43 42 44 45 46 47 48 49 50 51 52 53 54 55 56 57 59 60 62 64 63 65 66 67 68 69 11 40 61 70 37 72 71 45 58 58 MOD 1 MOD 2 36 34 17 73 Figure 8-1. Parts Assembly[...]

  • Page 31

    OM-2251 Page 27 Description Part No. Dia. Mkgs. Item No. Figure 8-1. Parts Assembly Quantity 1 216 034 Wrapper (Includes Insulators and Safety Labels) 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 256 Insulator , Side Rh (Not Shown) 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 32

    OM-2251 Page 28 Description Part No. Dia. Mkgs. Item No. Figure 8-1. Parts Assembly (Continued) Quantity 41 PC2 225 442 Circuit Card Assy , Interconnect W/Label & Clips (Includes) 1 . . . . . . . . . . . . . . . . . . . . . . . . . 42 126 026 Label, W arning Electric Shock Can Kill Significant 1 . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 33

    Notes[...]

  • Page 34

    Notes Over 80,000 trained since 1930! 400 T rade Square East, T roy , Ohio 45373 1-800-332-9448 www.weldin g .or g Star t Y our Professional W eldin g Career Now![...]

  • Page 35

    Warranty Questions? Call 1-800-4-A-MILLER for your local Miller distributor. miller_warr 2007 − 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 expe[...]

  • Page 36

    PRINTED IN USA © 2007 Miller Electric Mfg. Co. 2007 − 01 Miller Elect ric Mfg. Co. An Illinois T ool Wo rks Compa ny 1635 West S pencer S treet Applet on, WI 5 4914 US A International He adquarte rs − US A USA Phone: 920-735-4505 Aut o-At tended USA & Canada F AX : 920-735-4134 Int ernati onal F AX: 920-735-4125 European Headqua rters − [...]