Lincoln Electric SVM 117-A Duty Cycle Amps Volts at Rated Amps, Current Range, Fuse Superlag

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A-1

INSTALLATION

A-1

TECHNICAL SPECIFICATIONS - Wire-Matic-250

INPUT - SINGLE PHASE/ 60 HERTZ ONLY

Standard Voltage

Input Current at Rated Output

208/230/1/60

53/49 Amps

230/460/575

50/25/20 Amps

RATED

OUTPUT

Duty Cycle

Amps

Volts at Rated Amps

100%

145 amps

26

60%

200 amps

28

35%

250 amps

26

OUTPUT

Current Range

Maximum Open Circuit Voltage

Wire Speed Range

30A - 250A

40V

50 - 600 IPM

(1.27-15.2 m./minute)

RECOMMENDED INPUT WIRE & FUSE SIZE

Input Voltage/

Fuse (Superlag)

Type 750C wire in

Type 750C Copper

Frequency

or Breaker Size

Copper conduit AWG

Ground Wire in Conduit

(IEC Sizes)

Runs to

Runs over

100ft. (30m.) 100ft. (30m.)

208/60

60

8 (10mm2)

6 (16mm2)

10 (6mm2)

230/60

60

10 (6mm2)

8 (10mm2)

10 (6mm2)

460/60

30

14 (2.5mm2)

12 (4mm2)

10 (6mm2)

575/60

25

14 (2.5mm2)

12 (4mm2)

10 (6mm2)

PHYSICAL

DIMENSIONS

HEIGHT

Width

DEPTH

WEIGHT

(W/GUN)

28.2”

18.8”

40.1”

220 lbs.

(719mm)

(480mm)

(1019mm)

(100 Kg.)

OPERATING TEMPERATURE

STORAGE

OPERATING

± 400C

-200C to 400C

WIRE-MATIC 250

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Contents WIRE-MATIC Safety Depends on YouSafety ARC Welding can be hazardousCylinder may explode if damaged Electric and MAG- Netic Fields IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcWIRE-MATIC Table of Contents Table of Contents Installation Fuse Superlag Duty Cycle Amps Volts at Rated AmpsCurrent Range Type 750C CopperInput Connections Safety PrecautionsSelect Proper Location StackingFuse and Wire Sizes Input Power Connections and Ground ConnectionsConnect Shielding GAS Reconnect Procedure Figure A.4 Input Air Supply ConnectionsFigure A.5 Reconnect Diagram For 208/230/1/60 Machines Connect Output Components GUN Liner and Contact InstallationInstall the Work Clamp Output Polarity ConnectionWire Size Conversion Parts GUN and Cable InstallationWIRE-MATIC Operation General Description Safety InstructionsWELDING, Cutting Power Source Features Design Features AdvantagesUnit Features Recommended Processes and EquipmentLimitations Wire Feeder FeaturesMachine Capability Duty Cycle Amps VoltsControls and Settings Figure B.1 Operator ControlsProcedure for Changing Drive Roll Using the Wire Drive RollLoading the Wire Reel Feeding Electrode Proper Wire FeedingTo mount 10 to 30 lb. spools 8 and 12 diameter Operating Steps Setting Idle Roll PressureStarting the Welder Making a Weld WIRE-MATIC Accessories Installing the K607-1 Spool GUN Adapter KIT OPTIONS/ACCESSORIESK607-1 Spool GUN Adapter KIT Installation Spool GUN Module BoardSpool GUN Connection BOX Installation Return Return to Section TOCSpool GUN Connection Spool GUN PreparationMaking a Weld with the Spool GUN Adapter K607-1 Installed Making the WeldTimer KIT K585-1 Drive Roll Kits Steel Wire Sizes Part NumberAluminum Wire Sizes To Make Spot Plug WeldsMaintenance Routine and Periodic Maintenance Perform the following dailyMaintenance Drive Rolls and Guide Tubes GUN Tubes and Nozzles Contact TIP and GAS Nozzle InstallationCable Cleaning DROP-IN Reel Spindle and ClipsLiner Removal Replacement Figure D.2 Liner maintenanceGUN Handle Disassembly To open up the handleDescription English Size Metric Size WIRE-MATIC Theory of Operation Input Line Voltage and Main TransformerOutput Rectification Feedback ControlConstant Voltage Output Figure E.4 Constant Voltage OutputWire Drive Motor FeedbackThermal Protection SCR Operation Figure E.6 SCR OperationWIRE-MATIC Troubleshooting & Repair HOW to USE Troubleshooting Guide Recommended Course of ActionElectric Shock can kill PC Board Troubleshooting ProceduresBoard can be dam- aged by static electricity Main Transformer Rectifier Assembly Test To Section TOC Perform the SCR Rectifier Perform the Wire Drive Motor Liquid elec Trolyte in these capacitors isPerform the Output Rectifier Test Description Main Transformer TestMaterials Needed Main Transformer Test Test Procedure ON/OFF Power Switch will be hot during these testsMain Transformer Test Static SCR Rectifier Assembly Test Leads Figure F.4 SCR 1 Test Points Active SCR Rectifier Assembly Test Leads Figure F.7 SCR Tester Circuit SCR connectionsWire Drive Motor and Tachometer Feedback Test Wire Drive Motor and Tachometer Feedback Test Test Procedure Test for Supply Voltage to Tachometer Test for Feedback Voltage to the Control BoardScope Settings Normal Open Circuit Voltage WaveformMachine Loaded to 250 Amps AT 26 VDC Scope Settings Typical Output Voltage Waveform Machine LoadedMachine Loaded to 220 Amps AT 22 VDC Scope Settings Troubleshooting & Repair Typical SCR Gate Voltage Waveform Removal and Replacement Procedure Control PC Board Removal and ReplacementMaterials Needed Removal and REPLACE- Ment Procedure Wire Drive Assembly Removal and Replacement Wire Drive Assembly Removal and Replacement Procedure Figure F.11 Wire Drive Assembly RemovalSCR Output Rectifier Removal & Replacement Right side heat sink See Figure F.14 Disconnection Heat Sink LeadCapacitor Bank Removal and Replacement Bank Removal Replacement ComponentsMain Transformer Removal and Replacement Power Switch FAN Motor and FAN Removal and Replacement FAN Motor and FAN Removal and Replacement Procedure Figure F.16 Fan Motor and Fan Removal ComponentsTroubleshooting & Repair Input Volts/Hertz Wire Speed RangeOpen Circuit Voltage 230/60 375WIRE-MATIC Table of Contents Electrical Diagrams Section WIRE-MATIC Electrical Diagrams Spool GUN Option Wiring Diagram 208/230 Code To Section Available from Lincoln Control PC Board G2332 Layout