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Manual Miller Electric 714D

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  • Miller Electric 714D - page 1

    Visit our website at www.MillerWelds.com 714D Processes Description MIG (GMA W) W elding Flux Cored (FCA W) W elding (Gas- And Self-Shielded) Wire Feeder OM-1500-1 200 510A May 2001 ...

  • Miller Electric 714D - 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 catalog sheets. T o locate your nearest distributor or service agency call 1-800-4-A-Miller , or visit us at www .MillerW eld ...

  • Miller Electric 714D - page 3

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

  • Miller Electric 714D - page 4

    dec_con 1 1/96 Declaration of Conformity for European Community (CE) Products This information is provided for units with CE certification (see rating label on unit). Note Manufacturer ’ s Name: Miller Electric Mfg. Co. Manufacturer ’ s Address: 1635 W . Spencer Street Appleton, WI 54914 USA Declares that the product: 714D conforms to the follo ...

  • Miller Electric 714D - page 5

    OM-1500-1 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! W ...

  • Miller Electric 714D - page 6

    OM-1500-1 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 714D - page 7

    OM-1500-1 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 714D - page 8

    OM-1500-1 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 year ...

  • Miller Electric 714D - page 9

    OM-1500-1 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 particulier ...

  • Miller Electric 714D - page 10

    OM-1500-1 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 dans ...

  • Miller Electric 714D - page 11

    OM-1500-1 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 surcharge ...

  • Miller Electric 714D - page 12

    OM-1500-1 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 t ...

  • Miller Electric 714D - page 13

    OM-1500-1 Page 9 SECTION 2 – DEFINITIONS 1 1.1 1.2 1.3 3 3.1 3.2 3.3 4 4.1 + 2 2.1 2.2 + + 56 + 2.3 S-178 936 A. W arning! Watch Out! There are possible hazards as shown by the symbols. B. Drive rolls can injure fingers. C. W elding wire and drive parts are at welding voltage during operation – keep hands and metal objects clear . 1 Electric sh ...

  • Miller Electric 714D - page 14

    OM-1500-1 Page 10 ST-178 794-A 50/60 S/N: 24 10.0 Hz 50/60 IP 21 V 100 A 750 X 100 % V U 1 = A I 1 = 1 U 2 = I 2 = 2-2. Rating Label For CE Products For label location see Section 4-2. 2-3. Symbols And Definitions Some symbols are found only on CE products. Note A Amperes V V olts Alternating Current X Duty Cycle IP Degree Of Protection Hz Hertz Pr ...

  • Miller Electric 714D - page 15

    OM-1500-1 Page 1 1 SECTION 3 – INTRODUCTION 3-1. Specifications T ype of Input Power W elding Power Source T ype Wire Feed Speed Range Wire Diameter Range W elding Circuit Rating IP Rating Overall Dimensions W eight 24 V olts AC Single-Phase 10 Amperes 50/60 Hertz Constant V oltage (CV) DC With 14-Pin And Contactor Control Standard: 50 T o 780 ip ...

  • Miller Electric 714D - page 16

    OM-1500-1 Page 12 4-2. Rear Panel Connections And Rotating Drive Assembly 802 824-A / 802 825-A 2 3 4 1 14-Pin Co n t r o l Cable – 10 ’ 2 Shielding Gas V alve Fitting Requires fitting with 5/8-18 right- hand threads. Connect customer- supplied gas hose. 3 Weld Cable T erminal 4 Weld Cable 5 Drive Assembly 6 Drive Assembly Rotation Knob T o rot ...

  • Miller Electric 714D - page 17

    OM-1500-1 Page 13 4-3. 14-Pin Plug Information Pin* Pin Information A 24 volts ac with respect to socket G. A J B Contact closure to A completes 24 volts ac contactor control circuit. A J B K I G Circuit common for 24 volts AC circuit. C L N H C +10 volts dc input from power source to wire feeder with respect to socket D. D M G E F D Remote control ...

  • Miller Electric 714D - page 18

    OM-1500-1 Page 14 4-6. Installing And Threading Welding Wire Ref. 156 929-A / Ref. 150 922 / Ref. 156 930 / 802 954 / S-0627-A T ools Nee d e d : . Be sure that outlet cable has proper size liner for the welding wire size. When installing gun, position liner extending from outlet wire guide as close a s possible to drive rolls without touching. Ins ...

  • Miller Electric 714D - page 19

    OM-1500-1 Page 15 4-7. Setting Internal DIP Switches 1 DIP Switch S1 2 DIP Switch S4 (Not For Customer Use) DI P switch S1 allows the user to make a num- ber of choices af fecting unit operation. w Selecting W eld Amperage Or Wire Feed Speed Display (S1-1) If the front panel DIP is set in the display amps position, the lower display (see Section 5- ...

  • Miller Electric 714D - page 20

    OM-1500-1 Page 16 SECTION 5 – OPERA TION 5-1. Operational T erms The following is a list of terms and their definitions as they apply to this wire feeder: General T erms: Cold Wire Jog Feeding wire without contactor or gas valve being energized. Sequence A portion of the weld program, such as preflow , run-in, start, weld, crater , burnback, and ...

  • Miller Electric 714D - page 21

    OM-1500-1 Page 17 5-3. Front Panel Controls Program Start Crater Pre/Postflow T rigger Hold Adjust V olts Time (sec) Wire Speed Amps Sequence Setup Dual Schedule See Section 5-5 See Section 5-6 See Section 5-9 See Section 5-8 See Section 5-7 See Section 5-4 See Section 5-9 See Section 5-8 See Section 5-7 See Section 5-5 See Section 5-6 See Section ...

  • Miller Electric 714D - page 22

    OM-1500-1 Page 18 5-4. Program Push Button 1 3 Program 2 1 Program Display The number of the active program is displayed. 2 Program Push Button Press button to activate program select feature. T o change the pro- gram number , press the Program push button and rotate the Adjust control. 3 Program Push Button LED The LED lights to indicate the Pro- ...

  • Miller Electric 714D - page 23

    OM-1500-1 Page 19 5-6. Lower Display 1 Lower Displa y The lower display shows wire speed or amperage. The unit displays and adjusts only preset wire speed at idle. When the unit is in a welding state, actual wire speed is dis- played for the active welding sequence. If the amps display DIP is set in the display amps position (see Section 4-7), the ...

  • Miller Electric 714D - page 24

    OM-1500-1 Page 20 5-8. Adjust Control Adjust 1 1 Adjust Control The Adjust control is used to change various sequence parame- ters, and to select various se- quences. Refer to the section for th e function in question for informa- tion related to using the Adjust con- trol. 1 Non-CE Models CE Models Start Crater Pre/Postflow Sequence 5-9. Sequence ...

  • Miller Electric 714D - page 25

    OM-1500-1 Page 21 Notes ...

  • Miller Electric 714D - page 26

    OM-1500-1 Page 22 5-10. Auxiliary Menus Program Start Crater Pre/Postflow T rigger Hold Adjust V olts Time (sec) Wire Speed Amps Sequence Setup Dual Schedule 3 4 2 9 8 1 5 7 6 3 2 1 8 9 5 7 6 4 Non-CE Models CE Models ...

  • Miller Electric 714D - page 27

    OM-1500-1 Page 23 Auxiliary Menu • An auxiliary menu is provided if both the Se- quence and Setup push buttons are pressed simultaneously . The Setup push button L E D f l a s h e s w h e n t h e a u x i l i a r y m e n u is displayed. . The auxiliary menu may be exited at any time by pressing both the Sequence push button and the Setup push butt ...

  • Miller Electric 714D - page 28

    OM-1500-1 Page 24 5-1 1. Jog/Purge Pressing the Jog/Purge switch allows the op- erator to jog wire without energizing the weld power or gas valve circuit. • The unit provides the ability to jog the wire feeder by means of the gun trigger or the Jog/Purge switch. If the welding arc does no t initiate in 3 seconds after the gun trigger is activated ...

  • Miller Electric 714D - page 29

    OM-1500-1 Page 25 SECTION 6 – SETTING SEQUENCE P ARAMETERS 6-1. Sequence Parameters In A Program If time is set to zero in W eld sequence, welding continues until gun trigger is released. If time is set to zero in any timed sequence except W eld, the sequence is skipped. T rigger Pressed T rigger Released T ime Start T ime Preflow Weld T ime Crat ...

  • Miller Electric 714D - page 30

    OM-1500-1 Page 26 SECTION 7 – SETTING DUAL SCHEDULE P ARAMETERS 7-1. Optional Dual Schedule Switch Diagrams 1 Maint 2P (Maintained-Contact 2-Pole Switch) 2 Maint 1P (Maintained-Contact 1-Pole Switch) 1 2 3 4 B A TR 2 11 22 3 A 4 B DSS-8 DSS-9 1 SECTION 8 – MAINTENANCE 8-1. Routine Maintenance Y Disconnect power before maintaining. 3 Months Repl ...

  • Miller Electric 714D - page 31

    OM-1500-1 Page 27 8-2. Diagnostics LED3-Related Error Indications Error conditions are indicated by LED3 on PC1. T o view LED3, turn Off unit, remove wrapper , and turn unit On. LED3 is most easily observed from the left side of the unit. The LED blinks in a 2.5 second cycle. The number of blinks in this period indicates the type of error . Th e pr ...

  • Miller Electric 714D - page 32

    OM-1500-1 Page 28 SECTION 9 – ELECTRICAL DIAGRAM Figure 9-1. Circuit Diagram 200 592-C ...

  • Miller Electric 714D - page 33

    OM-1500-1 Page 29 Notes ...

  • Miller Electric 714D - page 34

    OM-1500-1 Page 30 SECTION 10 – P ARTS LIST 802 712-A . Hardware is common and not available unless listed. Fig 9-2 21 Fig 9-3 4 1 2 6 14 15 16 17 18 19 20 5 7 8 9 10 11 12 11 10 13 3 Figure 10-1. Main Assembly ...

  • Miller Electric 714D - page 35

    OM-1500-1 Page 31 Description Part No. Item No. Figure 10-1. Main Assembly Quantity 1 159 647 INSULA TOR, motor clamp 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 159 646 CLAMP , motor base 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Miller Electric 714D - page 36

    OM-1500-1 Page 32 802 802-A 1 22 . Hardware is common and not available unless listed. 2 3 4 18 5 6 7 8 11 11 14 15 17 21 20 19 23 10 13 12 10 9 16 Figure 10-2. Control Box Description Part No. Dia. Mkgs. Item No. Figure 10-2. Control Box (Figure 10-1 Item 14) Quantity 1 200 555 WRAPPER, feeder 1 . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Miller Electric 714D - page 37

    OM-1500-1 Page 33 Description Part No. Dia. Mkgs. Item No. Figure 10-2. Control Box (Figure 10-1 Item 14) (Continued) Quantity 20 S2 200 295 SWITCH, rocker spdt 15A 12V (on) – of f – (on) 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 202 587 NAMEPLA TE 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Miller Electric 714D - page 38

    OM-1500-1 Page 34 See T able 9-1 For Drive Roll & Wire Guide Kits . Hardware is common and not available unless listed. 802 950 1 2 3 4 5 6 7 8 10 9 11 12 13 14 16 17 18 19 20 21 23 24 6 5 4 3 2 1 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 15 22 Figure 10-3. Drive Assembly , Wire Description Part No. Dia. Mkgs. Item No. Figure 10-3. Drive Ass ...

  • Miller Electric 714D - page 39

    OM-1500-1 Page 35 Description Part No. Dia. Mkgs. Item No. Figure 10-3. Drive Assembly , Wire (Figure 10-1 Item 23) (contin- ued) Quantity 17 182 155 SPRING 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 132 746 BUSHING, spring 2 . . . . . . ...

  • Miller Electric 714D - page 40

    OM-1500-1 Page 36 .023-.025 in. 0.6 mm 151 024 087 130 .030 in. 0.8 mm 151 025 053 695 .035 in. 0.9 mm 151 026 053 700 151 036 072 000 151 052 132 958 .045 in. 1.1/1.2 mm 151 027 053 697 151 037 053 701 151 053 132 957 151 070 083 489 .052 in. 1.3/1.4 mm 151 028 053 698 151 038 053 702 151 054 132 956 151 071 083 490 1/16 in. 1.6 mm 151 029 053 699 ...

  • Miller Electric 714D - page 41

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  • Miller Electric 714D - page 42

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  • Miller Electric 714D - page 43

    Warranty Questions? Call 1-800-4-A-MILLER for your local Miller distributor. miller_warr 7/00 Y o ur 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 714D - page 44

    PRINTED IN USA  2001 Miller Electric Mfg. Co. 1/01 Miller Elect ric Mfg. Co. An I l li noi s T ool Works Com pany 1635 W est S pencer St reet Applet on, WI 54914 USA International He adquarters – USA USA Phone: 920-735-4505 Auto-A t t ended USA & Canada F AX : 920-735-4134 Int ernati onal FAX: 920-735-4125 European Headqua rters – United ...

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