Lincoln Electric SVM 122-A service manual Installation, Technical Specifications Idealarc DC-400

Page 8

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A-2

A-2

INSTALLATION

TECHNICAL SPECIFICATIONS - IDEALARC DC-400

INPUT - THREE PHASE ONLY

Standard Voltage

Input Current @ Rated Output

208V

87A

230V

78A

460V

39A

575V

32A

RATED OUTPUT

Duty Cycle

Amps

Volts at Rated Amps

100%

400

36

60%

450

38

50%

500

40

OUTPUT

Current

Maximum Open

Mode

Range

Circuit Voltage

Auxiliary Power

Constant Current

60 to 500 Amps

57 VDC

115 VAC, 10 Amps

Constant Voltage

60 to 500 Amps

45.5 VDC

42 VAC, 10 Amps

RECOMMENDED

INPUT WIRE

AND FUSE SIZES

Input Wire Size

Ground Wire Size

Input Voltage /

Fuse

Input Ampere

Type 75°C

Type 75°C

Frequency

(Super Lag)

Rating on

Copper Wire in

Copper Ground

or Breaker Size

Nameplate

Conduit AWG

Wire in Conduit

Volts/Hz

(IEC) Sizes

AWG (IEC) Sizes

208/60

125

87

4 (21 mm2)

6 (13 mm2)

230/60

125

78

4 (21 mm2)

6 (13 mm2)

460/60

60

39

8 (8.4 mm2)

10 (5.3 mm2)

220/50/60

125

81

4 (21 mm2)

6 (13 mm2)

230/50/60

125

77

4 (21 mm2)

6 (13 mm2)

380/50/60

70

47

8 (8.4 mm2)

8 (8.4 mm2)

400/50/60

70

44

8 (8.4 mm2)

8 (8.4 mm2)

440/50/60

60

41

8 (8.4 mm2)

10 (5.3 mm2)

PHYSICAL

DIMENSIONS

Height

Width

Depth

Weight

30.75 in.

22.25 in.

32 in.

473 lbs.

(781 mm)

(565 mm)

(813 mm)

(215 kg)

IDEALARC DC-400

LINCOLN ®

ELECTRIC

Image 8

Contents Safety Depends on You Idealarc TMDC-400Safety California Proposition 65 WarningsElectric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Master Table of Contents for ALL Sections Table of Contents Installation Section Installation Technical Specifications Idealarc DC-400Safety Precautions Select Suitable LocationLifting TiltingInput Connections Ground ConnectionInput Supply Connections Electric Shock can killInput Wire and Fuse Size Figure A.3 Input Power Supply ConnectionsReconnect Procedure Input Supply Connection DiagramOutput Connections Figure A.6 Output Terminal ConnectionsCycle Wire Feeder ConnectionsCycle 500 Amp 50% Duty Operation Section Operating Instructions Safety InstructionsOPERATIONB-2 Operation General DescriptionControls and Settings Figure B.1 Case Front ControlsOperation Remote Control Welding Procedure RecommendationsWelding Operation Operating StepsNA-3 Automatic Wire Feeder ARC Striking with the NA-3 Start BoardNA-5 Automative Wire Feeder LN-8 Semiautomatic Wire FeederAuxiliary Power Overload ProtectionTable of Contents Accessories OPTIONS/ACCESSORIES Factory Installed OptionField Installed Options Diode OptionMultiprocess Switch Operation ConnectionsRemote Control Adapter Cable K864 K843 Amptrol Adapter Installation InstructionsRemote Output Control K857 with K864 Adapter Plug or K775 Amptrol Adapter Cable K843K843 Amptrol Adapter Installation Instructions Amptrol and Hi-Freq. Kit The Amptrol will startAutomatic Wire Feeders Connecting the NA-3 to the Idealarc DC-400 Terminal StripCapacitor Discharge Circuit K828-1 HI-FREQ KIT K799 for Codes 8634 and Above onlyConnecting the NA-5 to the Idealarc DC-400 Terminal Strip Cable Plug K597-XX Input Cable Assembly Idealarc DC-400 To NA-3 or NA-5 InputSemiautomatic Wire Feeders Connecting the LN-7 to the Idealarc DC-400 14-PIN AmphenolConnecting the LN-7 to the Idealarc DC-400 Terminal Strip Accessories Accessories Figure C.11 Idealarc DC-400/LN-742 Connection Diagram Table of Contents Maintenance Routine and Periodic Maintenance Figure D.1 General Component Locations Table of Contents Theory of Operation Section Theory of Operation Input Line VoltageContactor and Main TransformerOutput Mode and CONTROL, Rectification and Feedback Protective Devices and Circuits SCR Operation Figure E.4 SCR OperationTable of Contents Troubleshooting & Repair Section Troubleshooting & Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures PC Board can be damaged by static electricityTroubleshooting Guide Output ProblemsPerform the Main Transformer Rectifier Bridge Test Tifier Bridge Test Output Problems Test Perform the SCR/Diode Rec Tifier Bridge Test Function Problems Form the SCR/Diode Rectifier Welding Problems Toxic. Avoid contact with any Portion of your body. CleanTrolyte in these capacitors is Make sure welding process is Materials Needed Input Contactor TestDescription Test Procedure Input Contactor TestTest for Contact Continuity Figure F.2 Input Contactor Test ConnectionsControl Transformer T2 Voltage Test Control Transformer T2 Voltage Test Figure F.3 Control Transformer and Lead LocationsTroubleshooting & Repair Main Transformer T1 Voltage Test Main Transformer T1 Voltage Test Figure F.6 Main Secondary Lead Test Points Troubleshooting & Repair Plug P1 Phase Angle Winding Voltages Figure F.8 Control Board Plug P1 LocationStatic SCR/DIODE Rectifier Bridge Test Static SCR/DIODE Rectifier Bridge Test Figure F.9 Control Board and Snubber Board Plug LocationsSCR Test Active SCR Test Active SCR Test P1 and P3 Locations Plug P5 LocationFigure F.15 Heat Sink Test Points Figure F.16 SCR Tester Circuit and SCR Connections Scope Settings CH1Maximum Output Setting no Load Troubleshooting & Repair Troubleshooting & Repair Troubleshooting & Repair 2V/Div Troubleshooting & Repair Input Contactor CR1 CLEANING/REPLACEMENT Contactor Replacement Procedure Input Contactor CR1 CLEANING/REPLACEMENTCleaning Procedure FAN Motor and Blade Removal and Replacement FAN Motor and Blade Removal and Replacement ProcedureSCR/DIODE Rectifier Assembly Removal and Replacement SCR/DIODE Rectificer Assembly Removal and ReplacementSCR Removal and Replacement SCR Removal and Replacement Special InstructionsProcedure for the 1/2 Inch Wide Spring Figure F.21 1/2 Wide Leaf SpringClamping Procedure For 1/4-28 CAP Screws Clamping Procedure For 1/4-20 CAP ScrewsProcedure for Inch Wide SpringAfter Replacing the SCRs Mounting of Stud Type Diodes to Aluminum Heat Sinks Diode Stud Foot Inch Size Pounds Mounting of Stud Type Diodes to AluminumHeat Sinks Main Transformer Removal and Replacement Main Transformer Removal & Replacement Removal of Lift BailRemoval of Choke and TOP Iron Assembly Figure F.26 Choke RemovalReassembly of Transformer Coils Figure F.27 Epoxy MIX Application AreasFigure F.28 Coil Lead Placement Figure F.30 Primary Thermostat Location Reassembling the Main Transformer Into the Machine Reassemble the Lift BailInput volts/Phase/Hertz Maximum Idle Amps Maximum Idle KW Mode Input Hertz Open Circuit VoltsRetest After Repair Input Idle Amps and WattsRetest After Repair Maximum Acceptable Output Voltage AT Minimum Ouput SettingsMode Control Settings Load Table of Contents Electrical Diagrams Section Idealarc DC400 Wiring Diagram Codes 9847 LOW VoltageWiring Diagram Code Only. It may not be accurate for allControl PC Board G2588 Layout Control DC400Starting PC Board M14520 Layout TP2Snubber PC Board M15370 Layout Control PC Board G2588 Schematic 2586Starting PC Board M14520 Schematic General InformationSnubber PC Board M15370 Schematic General Information