Lincoln Electric SVM136-A service manual Wiring Diagram Codes 10084, 10085

Page 96

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TOC

G-2

G-2

ELECTRICAL DIAGRAMS

Wiring Diagram (Codes 10084, 10085, 10086)

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DUAL & SINGLE VOLTAGE UNDER 346 VOLTS

(SHOWN CONNECTED

 

FOR LOW VOLTAGE)

 

 

N.B.

H3

 

 

H2

TO SUPPLY

LINES

 

X1

L3

L2

L1

 

W

 

3

 

 

2

 

V

 

232

 

1

U

 

 

 

 

 

CR1

 

 

CONTACTOR

233 H1

TO GROUND

PER NATIONAL ELECTRICAL CODE

RECONNECT PANEL

9 6

85

7 4

COILS

TO PRIMARY

230/400 VOLTAGE

TO GROUND

(SHOWN CONNECTED

PER NATIONAL

FOR 230 V.)

ELECTRICAL CODE

 

 

 

 

N.B.

H3

 

 

 

 

 

 

TO SUPPLY

RECONNECT PANEL

H2

 

LINES

 

 

 

 

L3

L2

L1

 

 

 

X1

 

 

 

 

 

 

 

 

 

 

W

 

3

9

5

11

 

 

2

 

 

V

 

 

 

 

232

 

 

8

4

10

u

 

1

 

 

 

CR1

 

7

6

12

 

CONTACTOR

 

 

 

 

233

 

H1

 

 

 

T0 PRIMARY COILS

380/500 V.

(SHOWN CONNECTED FOR 380 V.)

N.B. H3 TO SUPPLY

H2

 

LINES

L3

L2

L1

X1

 

W

 

3

 

 

2

 

V

 

232

 

 

U

 

1

 

 

 

 

CR1

 

 

CONTACTOR

 

233 H1

TO GROUND

PER NATIONAL ELECTRICAL CODE

RECONNECT PANEL

3 18

2 17

1 16

TO PRIMARY

COILS

 

 

H3

 

N.B.

 

H4

 

TO SUPPLY

H2

 

LINES

 

 

 

 

X1

L3

L2

L1

 

 

 

 

W

 

3

 

 

2

 

V

 

 

 

 

 

U

 

1

 

 

 

233CR1

CONTACTOR

H1

220/380/440 VOLTAGE (SHOWN CONNECTED FOR 220 V.)

RECONNECT PANEL

11

9

6

TO GROUND

PER NATIONAL

 

8

5

ELECTRICAL

10

CODE

12

7

4

FLEX LEAD

 

 

 

 

 

 

JUMPER

 

 

 

TO PRIMARY COILS

SINGLE VOLTAGE OVER 345 VOLTS

TO GROUND PER

NATIONAL ELECTRICAL

 

CODE

 

 

N.B.

H2 TO SUPPLY

H3

LINES

X1

L3

L2

L1

 

W

 

3

 

 

2

 

V

 

 

 

 

FAN MOTOR

2A

 

51

115V

 

 

 

CIRCUIT

 

 

 

 

 

 

BREAKER

 

 

 

 

 

10AMP

THIS CONNECTION

 

 

 

 

 

DOES NOT APPEAR ON

 

50

 

 

 

CIRCUIT

220/380/440V AND

 

52

 

 

 

BREAKER

230/400V NACHINES

 

 

 

 

 

 

 

 

 

 

241

 

 

 

 

 

 

10

 

11

12

 

42A

SECONDARY

TOP

S

 

THERMOSTAT

220V

115V

42V

 

PRIMARY

 

 

232

31

32A

42

42

2

PRIMARY THERMOSTAT

 

H1

X1

CONNECT OR

 

 

INSULATE AS

H2

115V

SHOWN ON

 

H3

 

INPUT

X2

CONNECTION

H4

DIAGRAM

 

231

T2 CONTROL

 

TRANSFORMER

 

232

U

1

7

N.E. 8

S

S

41

41

 

CR1

CONTACTOR

233

H1

 

 

 

 

9

 

 

 

AUXILIARY

201

 

202

 

 

203

 

 

 

 

 

T1 MAIN

COILS

21V

 

21V

 

 

21V

 

 

 

S

TRANSFORMER

 

 

 

 

 

 

 

S

S

204

 

 

 

 

BOTTOM 4

X1

5

X2

6

X3

 

 

PRIMARY

 

 

 

 

SEC

2

SEC

3

SEC

 

 

1

 

 

16

 

17

 

18

 

 

 

 

 

 

 

 

 

 

N.A.

231

 

4

 

41

CAPACITOR

DISCHARGE

CR4

RELAY

CAPACITOR

DISCHARGE

OPTION

F2

10A

R8

0.5

/50W

SLOW

 

 

 

BLOW

 

 

 

 

 

R7

0.5

/50W

 

 

 

 

 

 

P5

 

 

 

1

220

 

 

 

2

221

 

D1

 

3

222

 

 

J5

4

223

RECTIFIER

 

5

225

 

ASSEMBLY

SCR1

 

 

6

224

 

 

 

7

GREEN

 

 

 

 

 

 

 

8

204

 

 

SNUBBER

 

 

 

 

BOARD

 

 

 

220

220

D2

D3

 

D4

SSCR2R2

SCR3

 

G3

G2

 

 

204

 

 

 

G1

 

 

 

 

 

 

 

 

N.C.

204DIODE OPTION

SHUNT

+-

LEAD NOT PRESENT

205 206 WITH DIODE OPTION

204

254

204

 

C1

+

 

C2

+

31,000MFD

C3

+

50V EACH

C4 +

C5 +

220204

R2

7.5 /100W

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225

 

 

21

N.A.

4

 

C6

2

.0047MFD

 

1400V

31

TS2

32

 

21

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.

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L1

TS1

75

 

 

 

 

 

 

 

 

 

 

OUTPUT

 

 

 

 

 

10A

 

 

 

CONTROL BOARD

CHOKE

 

76

 

 

 

 

 

 

 

 

32

 

 

 

 

GROUNDING LEAD

 

 

 

 

 

CIRCUIT

 

 

 

 

 

77

 

 

 

BREAKER

 

 

 

 

 

 

 

 

 

 

 

 

32A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

240

 

 

 

 

N.F.

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BOARD)

NOTES

N.A. CIRCUITRY PRESENT ON CAPACITOR DISCHARGE ONLY.

N.B. TAPE UP SEPARATELY

TO PROVIDE AT LEAST

600 V INSULATION.

N.C. CIRCUITRY PRESENT ON DIODE OPTION ONLY.

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

N.E. 220V WINDING, PLUG

AND CIRCUIT BREAKER

ARE PRESENT ONLY

ON CV500-I.

N.F. 31 AND 32 ARE NOT PRESENT ON EUROPEAN CV500-I

12-9-94F

L9269

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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 95 Page 97
Image 96
Page 95 Page 97
Contents Idealarc CV-400 Safety California Proposition 65 WarningsElectric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Sûreté Pour Soudage a L’ArcMaster Table of Contents for ALL Sections Table of Contents Installation Section Installation Technical Specifications Idealarc CV-400Safety Precautions Location and VentilationLifting Ground Connection Input Supply ConnectionsInput Wire and Fuse Size Return toReconnect Procedure Output Connections Connect Electrode and Work Leads to Output TerminalsFigure A.5 Output Terminal Connections Connect Wire Feeders Table of Contents Operation Section Safety Instructions OperationOperating Instructions Operational Features and Controls Design FeaturesGeneral Description Recommended ProcessesWelding Capability LimitationsControls and Settings Figure B.1 Case Front ControlsRemote Control Welding OperationLocal Control Auxiliary Power Overload ProtectionIdealarc CV-400 Table of Contents Accessories OPTIONS/ACCESSORIES Factory Installed OptionsField Installed Options Automatic Wire Feeders Connecting the NA-3 to the Idealarc CV-400Connecting the NA-5 to the Idealarc CV-400 FeederterminalAccessories Semiautomatic Wire Feeders Connecting the LN-7 to the Idealarc CV-400 Terminal StripConnecting the LN-8 or LN-9 to the Idealarc CV-400 Idealarc CV-400 Table of Contents Maintenance Safety Precautions Routine and Periodic Maintenance Return to Return to Section TOCFigure D.1 Idealarc CV-400 Table of Contents Theory of Operation Section Theory of Operation Input Line VOLTAGE, Contactor and Main TransformerOutput CONTROL, Rectification and Feedback Protective Devices Circuits Figure E.4 CV-400 Trigger and Thermal Light CircuitSCR Operation Figure E.5 SCR OperationIdealarc CV-400 Table of Contents Troubleshooting & Repair Section Troubleshooting & Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures Electric Shock can killTroubleshooting Guide Output ProblemsOutput Problems SCR/Diode Perform the SCR/Diode Bridge SCR/Diode Rectifier Bridge Test Welding Problems Control Transformer T2 Voltage Test DescriptionMaterials Needed Test Procedure Control Transformer T2 Voltage TestRight Side View Input Contactor Test Input Contactor Test Test for Contact Continuity Figure F.4 Input Contactor Test ConnectionsMain 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 Maximum Output Setting no Load Normal Open Circuit Voltage WaveformTypical Output Voltage Waveform Machine Loaded Maximum Output Setting no Load Typical SCR Gate Voltage WaveformAbnormal Output Voltage Waveform Machine Loaded ONE Output SCR not FunctioningInput Contactor CR1 CLEANING/REPLACEMENT DescriptionCleaning Procedure Contactor Replacement ProcedureFAN Motor and Blade Removal and Replacement FAN Motor and Blade Removal and Replacement ProcedureSCR/DIODE Rectifier Assembly Removal and Replacement SCR/DIODE Rectifier Assembly Removal and ReplacementSCR Removal and Replacement SCR Removal and Replacement Procedure 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 Mounting of Stud Type Diodes To Aluminum Heat SinksMain 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 BailRetest After Repair Input Idle Amps and WattsOpen Circuit Voltages Welding Output Load TestIdealarc CV-400 Electrical Diagrams Section GWiring 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
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