Miller Summit Arc 1250- Manuals

Miller Summit Arc 1250– User Manual in PDF format online.

Manuals:

User Manual

User Manual Miller Summit Arc 1250

Summary

Page 2 - From Miller to You

Miller Electric manufactures a full lineof welders and welding related equipment.For information on other quality Millerproducts, contact your local Miller distributor to receive the latest fullline catalog orindividual catalog sheets. To locate your nearestdistributor or service agency call 1-800-4...

Page 3 - TABLE OF CONTENTS; WARNING

The following terms areused interchangeablythroughout this manual:TIG = GTAWStick = SMAW TABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 4 - Declaration of Conformity For; NOTE; Summit Arc

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 StreetAppleton, WI 54914 USA Declares that the product:...

Page 5 - SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING; Symbol Usage; Arc Welding Hazards

OM-2221 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING som _nd_7/02 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazardswith this procedure! The possible hazards are shown inthe adjoining symbols. Marks a special safety message. Means “Note”; not safety related. This gro...

Page 7 - Additional Symbols For Installation, Operation, And Maintenance

OM-2221 Page 3 1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. Do not install or place unit on, over, or nearcombustible surfaces. Do not install unit near flammables. Do not overload building wiring – be sure power supply system isproperly sized, rated...

Page 9 - Signification des symboles; Dangers relatifs au soudage à l’arc

OM-2221 Page 5 SECTION 1 – CONSIGNES DE SÉCURITÉ – À LIRE AVANT UTILISATION som _nd_fre 7/02 1-1. Signification des symboles Signifie « Mise en garde. Faire preuve de vigilance. »Cette procédure présente des risques identifiés par lessymboles adjacents aux directives. Identifie un message de sécurit...

Page 13 - Specifications

OM-2221 Page 9 SECTION 2 – INSTALLATION With 60 Hz input power, the ac weld output of this unit is 10 Hz. With 50 Hz input,the ac weld output is 8.33 Hz. NOTE 2-1. Specifications Voltage Amperage Max. Open- RMS Amps Input at Rated Load Output, 3-Phase at NEMA Load Voltages and Class I Rating AC or D...

Page 15 - Dimensions And Weight; Symbol Definitions; Hz

OM-2221 Page 11 2-4. Dimensions And Weight Dimensions A Height* 44 in (1118 mm) Width* 27-1/4 in (692 mm) Weight Depth* 46 in (1168 mm) 1225 lb (540 kg) Weight A 1-7/8 in (48 mm) B B 44-1/8 in (1120 mm) C 11/16 in (17 mm) D 26-1/16 in (662 mm) E E 4 holes: 21/32 in (6.5 mm) dia C Front D * Includes ...

Page 17 - Weld Output Terminals and Selecting Cable Sizes

OM-2221 Page 13 2-8. Weld Output Terminals and Selecting Cable Sizes In the table below, when multiple numbers are indicated separated by a hyphen,the number to the left of the hyphen indicates how many cables are to be used, andthe number to the right indicates the size of the cable to be used. For...

Page 18 - Selecting AC or DC Output; AC; -10. Terminal Strip TE3 and Remote 14 Receptacle RC7 Information

OM-2221 Page 14 2-9. Selecting AC or DC Output Turn Off welding powersource and disconnect inputpower before relinking unit. Remove top of unit. 1 AC/DC Output SelectionLabel (Located Inside Unit) 2 Jumper Links Locate terminal board inside unit.Install jumper links for desired out-put as shown on l...

Page 23 - SECTION 3 – MAKING WELD OUTPUT CONNECTIONS; Work And Electrode Cable Connections For Single DC or AC Arcs

OM-2221 Page 19 SECTION 3 – MAKING WELD OUTPUT CONNECTIONS 3-1. Work And Electrode Cable Connections For Single DC or AC Arcs Turn Off welding powersource and disconnect inputpower before opening ac-cess door. For dc electrode positive: Connect the proper size and num-ber of weld output cables (see ...

Page 25 - Using Multiple Units: Two or More AC Arcs With Separate Electrodes

OM-2221 Page 21 3-3. Using Multiple Units: Two or More AC Arcs With Separate Electrodes Turn Off welding powersource and disconnect inputpower before opening ac-cess door. To use two or more ac arcs withseparate electrodes, make con-nections as shown. Set up ac output units according toSection 3-6 o...

Page 26 - Using Multiple Units: Parallel DC Output Connections

OM-2221 Page 22 3-4. Using Multiple Units: Parallel DC Output Connections Turn Off welding powersource and disconnect inputpower before opening ac-cess door. To use multiple units in parallel,make connections as shown. All units must be set up for dc outputaccording to Section 2-9. Do not pa-rallel ...

Page 27 - Using Multiple Units: Parallel AC Output Connections

OM-2221 Page 23 3-5. Using Multiple Units: Parallel AC Output Connections Turn Off welding powersource and disconnect inputpower before opening ac-cess door. Always test for correct phas-ing before paralleling ac out-puts according to Section3-9. To use multiple units in parallel,make connections as...

Page 28 - Synchronizing Outputs For Parallel AC Arcs

OM-2221 Page 24 3-6. Synchronizing Outputs For Parallel AC Arcs Turn Off welding powersource and disconnect inputpower before opening ac-cess door. 1 Terminal Strip TE4 This procedure allows the ac out-puts of two or more units to be syn-chronized so the waveformsmatch. To synchronize outputs,make c...

Page 29 - Using Non-Parallel AC Arcs Terminal Strip TE4 Connections

OM-2221 Page 25 3-7. Using Non-Parallel AC Arcs Terminal Strip TE4 Connections Turn Off welding powersource and disconnect inputpower before opening ac-cess door. All units must be set up for acoutput according to Section2-9. Do not parallel dc outputunits with ac output units. DC output units do no...

Page 32 - SECTION 4 – OPERATION

OM-2221 Page 28 SECTION 4 – OPERATION 4-1. Front Panel Controls (Non-CE Models) 1 Output Control Switch For weld output, place switch in On position.For remote control of output, make connec-tions to terminal strip TE3 or Remote 14 re-ceptacle (see Section 2-10) and place switchin Remote position.2 ...

Page 34 - SECTION 5 – MAINTENANCE AND TROUBLESHOOTING; Routine Maintenance; Fuses F1 And F2

OM-2221 Page 30 SECTION 5 – MAINTENANCE AND TROUBLESHOOTING Disconnect input power before maintaining. Maintain more oftenduring severe conditions. 5-1. Routine Maintenance 3 Months Replace damagedor unreadablelabels. Repair or replacecracked cables. Replacecrackedtorch body. Repair or replacecracke...

Page 36 - SECTION 6 – ELECTRICAL DIAGRAMS

OM-2221 Page 32 SECTION 6 – ELECTRICAL DIAGRAMS 213 402-A Figure 6-1. Circuit Diagram For 460 And 575 VAC Input Models

Page 38 - SECTION 7 – PARTS LIST

OM-2221 Page 34 SECTION 7 – PARTS LIST 801 981-A Hardware is common andnot available unless listed. 1 2 3 4 5 6 9 10 11 12 13 14 15–(Fig. 7–3) 16 17 18 19 20 21 22 5 23 27 28 29 27 30 24 1 31 (Fig.7–2) –32 25 26 7 8 Figure 7-1. Main Assembly

Page 43 - Notes

Page 47 - (Equipment with a serial number preface of “LC” or newer)

Warranty Questions? Call1-800-4-A-MILLERfor your localMiller distributor. miller_warr 6/02 Your distributor also givesyou ... ServiceYou always get the fast,reliable response youneed. Most replacementparts can be in yourhands in 24 hours. SupportNeed fast answers to thetough welding questions?Contac...

Page 48 - Please complete and retain with your personal records.; For Service

PRINTED IN USA  2002 Miller Electric Mfg. Co. 1/02 Miller Electric Mfg. Co. An Illinois Tool Works Company1635 West Spencer StreetAppleton, WI 54914 USA International Headquarters–USAUSA Phone: 920-735-4505 Auto-AttendedUSA & Canada FAX: 920-735-4134International FAX: 920-735-4125 European Head...