Lincoln Electric SVM136-A service manual Wiring Diagram Code

Page 97

Section TOC

Master TOC

G-3

 

G-3

ELECTRICAL DIAGRAMS

 

 

Wiring Diagram (Code 10087)

 

 

 

 

230/460/575V.

N.B.

H3

(SHOWN CONNECTED FOR 230 V.)

H4

TO SUPPLY

Return to

LINES

 

H2

L3

L2

L1

 

X1

 

 

 

 

 

TO GROUND PER NATIONAL

W

 

 

 

V

 

 

 

ELECTRICAL CODE

 

 

FAN MOTOR

 

U

 

 

233

CR1

 

 

CONTACTOR

 

T1 MAIN

 

 

 

 

 

 

232

CONNECT OR

 

TRANSFORMER

 

 

 

 

 

 

31

 

 

 

 

 

 

 

INSULATE AS

 

 

 

 

 

 

10AMP

 

32A

 

 

 

 

 

 

 

42

SHOWN ON

AUXILIARY

 

 

 

 

CIRCUIT

 

 

 

 

 

 

42

INPUT

 

 

 

 

BREAKER

 

COILS

10

 

11

12

 

42A

241

2

CONNECTION

 

 

 

115V

 

42V

SECONDARY

 

PRIMARY

DIAGRAM

 

7

8

 

THERMOSTAT

41

THERMOSTAT

 

 

S

9

S

 

 

 

 

 

41

 

 

RECONNECT PANEL

 

3

 

13

 

9

 

14

 

8 4

5

15

N.B.

16

2

6

 

17

 

7

 

 

 

18

 

1

 

 

 

 

 

 

 

 

TO PRIMARY

H1

 

 

COILS

 

 

X1

 

 

 

H2

 

115V

 

 

H3

 

 

X2

H4

 

 

T2 CONTROL

 

231

 

 

TRANSFORMER

to Section TOC

to Master TOC

TOP

 

201

 

202

 

203

13

 

14

15

 

PRIMARY

21V

21V

21V

 

 

S

 

 

204

S

 

 

 

S

 

 

BOTTOM

4

X1 SEC

5

X2 SEC

6

X3 SEC

PRIMARY

 

 

 

 

1

 

2

 

3

 

 

16

 

17

 

18

 

CAPACITOR

DISCHARGE

OPTION

N.A.

231

 

4

 

41

CAPACITOR

DISCHARGE

CR4

RELAY

 

10A

8

0.5

/50W

F2

R

SLOW

 

 

 

BLOW

 

 

 

 

 

R7

0.5

/50W

 

 

 

 

254

 

204

 

 

 

C1

+

 

 

Return

Return

 

 

P5

 

 

1

220

 

 

2

221

D1

 

3

222

 

J5

4

223

RECTIFIER

5

225

ASSEMBLY

 

 

6

224

 

 

7

GREEN

 

 

 

 

 

8

204

 

SNUBBER

BOARD

220

 

220

D2

 

D3

 

 

D4

SCR1

SCR2

SCR3

 

 

 

G3

G2

 

 

204

 

 

 

G1

 

 

 

 

 

 

 

 

N.C.

204DIODE OPTION

SHUNT

+-

LEAD NOT PRESENT

205 206 WITH DIODE OPTION

204

C2

+

31,000 MFD

C3

+

50V EACH

C4

+

 

C5

+

 

220

204

 

 

R2

7.5 /100W

 

 

to Section TOC

to Master TOC

21

225

 

 

21

N.A.

 

4

 

 

C6

 

2

.0047MFD

 

 

1400V

 

31

 

TS2

32

 

 

224

S3 VOLTMETER SWITCH

225

 

P1

1

2

4

3

P3

P2

41

1

 

 

 

 

 

1

205

 

 

 

 

 

 

201

2

 

 

J3

 

2

206

 

 

 

 

 

202

3

 

 

 

 

3

212

4

4

J1

 

 

J2

4

220

204

5

 

 

 

5

205

 

 

 

 

203

6

 

 

 

 

6

206

2

 

 

 

 

 

7

 

 

 

 

7

213

240

8

 

 

 

 

CONTROL BOARD

 

 

8

75

 

 

 

 

ELECTRICAL SYMBOLS PER E1537

 

 

 

 

5

1

 

 

 

 

 

6

2

 

 

 

 

 

 

 

3

1

 

7

3

 

 

4

2

 

8

4

 

4 PIN

8 PIN

 

J3

 

J1, J2 & J5

CONNECTOR CAVITY NUMBERING SEQUENCE (COMPONENT SIDE OF P.C. BOARD)

NOTES

Return

to Section TOC

Return

to Master TOC

L1

TS1

75

 

 

 

 

 

 

 

 

 

 

OUTPUT

 

 

 

 

 

10A

 

 

 

CONTROL BOARD

CHOKE

 

76

 

 

 

 

 

 

 

 

32

 

 

 

 

GROUNDING LEAD

 

 

 

 

 

CIRCUIT

 

 

 

 

 

77

 

 

 

BREAKER

 

 

 

 

 

 

 

 

 

 

 

 

32A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

240

 

 

 

 

 

 

N.A.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

212 210 211 213

 

210

 

232

233

 

 

 

42

 

 

 

 

 

 

GROUNDING

32

31 41

 

 

 

75

211

 

 

 

 

 

 

 

Y 42

W

233

STUD

 

 

 

 

 

 

R4

 

 

 

 

 

 

 

77

 

 

 

 

 

 

2

 

 

76

 

10K

/2W

THERMAL

PILOT

231

 

 

4

 

21

 

 

 

OUTPUT

 

 

 

 

 

 

S2

LIGHT

 

 

 

77

 

75

 

 

CONTROL

PROTECTION

S1

GREEN

 

 

76

OUTPUT CONTROL

 

 

LIGHT

 

POWER

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.D.

 

 

 

 

 

 

 

 

 

205

 

 

 

 

 

 

224

 

 

 

 

 

225

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

206

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

224

 

 

 

 

AM

 

VM

 

 

 

 

 

 

 

 

 

-

+

-

METERS

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

206

OPTIONAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.A. CIRCUITRY PRESENT ON CAPACITOR DISCHARGE ONLY.

N.B. TAPE UP SEPARATELY TO PROVIDE AT LEAST 600 V INSULATION.

N.C. CIRCUIT PRESENT ON DIODE OPTION ONLY.

N.D. THESE LEADS ARE PRESENT WITH METER OPTION ONLY.

12-9-94F

L9270

Return

Return

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your

code is pasted inside one of the enclosure panels of your machine.

IDEALARC CV-400

Page 96 Page 98
Image 97
Page 96 Page 98
Contents Idealarc CV-400 California Proposition 65 Warnings SafetyElectric Shock can kill Cylinder may explode if damaged Sûreté Pour Soudage a L’Arc Précautions DE SûretéMaster Table of Contents for ALL Sections Table of Contents Installation Section Technical Specifications Idealarc CV-400 InstallationLocation and Ventilation Safety PrecautionsLifting Input Supply Connections Ground ConnectionReturn to Input Wire and Fuse SizeConnect Electrode and Work Leads to Output Terminals Reconnect Procedure Output ConnectionsFigure A.5 Output Terminal Connections Connect Wire Feeders Table of Contents Operation Section Operation Safety InstructionsOperating Instructions Design Features Operational Features and ControlsGeneral Description Recommended ProcessesLimitations Welding CapabilityFigure B.1 Case Front Controls Controls and SettingsWelding Operation Remote ControlLocal Control Overload Protection Auxiliary PowerIdealarc CV-400 Table of Contents Accessories Factory Installed Options OPTIONS/ACCESSORIESField Installed Options Connecting the NA-3 to the Idealarc CV-400 Automatic Wire FeedersFeederterminal Connecting the NA-5 to the Idealarc CV-400Accessories Connecting the LN-7 to the Idealarc CV-400 Terminal Strip Semiautomatic Wire FeedersConnecting the LN-8 or LN-9 to the Idealarc CV-400 Idealarc CV-400 Table of Contents Maintenance Return to Return to Section TOC Safety Precautions Routine and Periodic MaintenanceFigure D.1 Idealarc CV-400 Table of Contents Theory of Operation Section Input Line VOLTAGE, Contactor and Main Transformer Theory of OperationOutput CONTROL, Rectification and Feedback Figure E.4 CV-400 Trigger and Thermal Light Circuit Protective Devices CircuitsFigure E.5 SCR Operation SCR OperationIdealarc CV-400 Table of Contents Troubleshooting & Repair Section HOW to USE Troubleshooting Guide Troubleshooting & RepairElectric Shock can kill PC Board Troubleshooting ProceduresOutput Problems Troubleshooting GuideOutput Problems SCR/Diode Perform the SCR/Diode Bridge SCR/Diode Rectifier Bridge Test Welding Problems Description Control Transformer T2 Voltage TestMaterials Needed Control Transformer T2 Voltage Test Test ProcedureRight Side View Input Contactor Test Input Contactor Test Figure F.4 Input Contactor Test Connections Test for Contact ContinuityMain Transformer T1 Voltage Test Main Transformer T1 Voltage Test Figure F.6 Main Secondary Lead Test Points Blank Main Transformer T1 Voltage Test Static SCR/DIODE Rectifier Bridge Test Static SCR/DIODE Rectifier Bridge Test SCR Anode Remove ANY Insulating Paint Cathode SCR Active SCR Test Active SCR Test Figure F.15 Heat Sink Test Points Figure F.16 SCR Tester Circuit and SCR Connections Normal Open Circuit Voltage Waveform Maximum Output Setting no LoadTypical Output Voltage Waveform Machine Loaded Typical SCR Gate Voltage Waveform Maximum Output Setting no LoadONE Output SCR not Functioning Abnormal Output Voltage Waveform Machine LoadedDescription Input Contactor CR1 CLEANING/REPLACEMENTContactor Replacement Procedure Cleaning ProcedureFAN Motor and Blade Removal and Replacement Procedure FAN Motor and Blade Removal and ReplacementSCR/DIODE Rectifier Assembly Removal and Replacement Removal and Replacement SCR/DIODE Rectifier AssemblySCR Removal and Replacement SCR Removal and Replacement Figure F.21 1/2 Wide Leaf Spring Procedure for the 1/2 Inch Wide SpringClamping Procedure For 1/4-20 CAP Screws Clamping Procedure For 1/4-28 CAP ScrewsInch Wide Spring Procedure forAfter Replacing the SCRs Mounting of Stud Type Diodes To Aluminum Heat Sinks To Aluminum Heat Sinks Mounting of Stud Type DiodesMain Transformer Removal and Replacement Removal of Lift Bail Main Transformer Removal & ReplacementFigure F.26 Choke Removal Removal of Choke and TOP Iron AssemblyFigure F.27 Epoxy MIX Application Areas Reassembly of Transformer CoilsFigure F.28 Coil Lead Placement Figure F.30 Primary Thermostat Location Reassemble the Lift Bail Reassembling the Main Transformer Into the MachineInput Idle Amps and Watts Retest After RepairOpen Circuit Voltages Welding Output Load Test Idealarc CV-400 Section G Electrical DiagramsWiring Diagram Codes 10084, 10085 Wiring Diagram Code Control PC Board G2629-1 Layout Control PC Board G2629-1 Schematic Snubber Snubber PC Board M15370-3 Schematic Idealarc CV-400
Top Page Image Contents