Lincoln Electric SVM123-A service manual Wiring Diagram Codes 9919

Page 107

TOC

G-2

ELECTRICAL DIAGRAMS

G-2

Wiring Diagram (Codes 9919, 9920)

 

 

Return to Section

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Return to Master

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TO GROUND PER

NATIONAL ELECTRICAL

CODE

 

H1

 

TO

L1

1

3 PHASE

H2

 

7

4

5

TO

1CR

 

 

 

 

CENTER TERMINAL

 

 

 

 

ON FUSE HOLDER

 

 

 

 

METER KIT

 

 

 

N.C.

 

 

(OPTIONAL)

 

 

 

 

 

 

 

32A

 

X1

 

 

216

 

211

T2 H1

+VM-

NEG

31

 

 

211

 

 

222

 

 

 

H2

216

 

 

START STOP

 

 

F1

 

 

 

 

 

 

 

 

 

OUTPUT CONTROL

R1

236

237

75

238

 

 

CC

 

 

 

SW4

 

 

 

 

CVI

 

 

 

 

CVS

226

226

 

 

 

 

 

 

SW3

 

 

 

9008

SHT. NO. L

POWER

L2

2

SUPPLY

 

 

 

L3

3

8

9

6

PRIMARY

COILS

R3

212

H3 +AM-

SW1

255

H4

X2215

222

 

 

21

 

POS

 

 

 

SW2

2

32

210

 

 

 

 

 

 

 

 

 

21

4

2

31

32

 

 

 

 

230

229

266

215

 

 

 

 

221

 

 

 

76 77

224

73

74

75

76

77

 

 

 

DC1000- DIAGRAM

L8234

SUP'S'D'G

SINGLE OR DUAL VOLTAGE INPUT PANEL

SHOWN CONNECTED FOR LOW VOLTAGE

271

271

 

5

7

255

2CR

 

 

 

A

 

B

 

 

 

T.S.2

T.S.3

IDEALARC

WIRING

 

.

TO GROUND PER NATIONAL ELECTRICAL CODE

TO T2

TO

1

1CR

S

 

T1

2

SS

203

3

SS

205

31

S

32A

S

207

R

257

PILOT

235

LIGHT

233

256

256

257A

266

229

215

224

1

 

1

221

2

 

2

222

3

 

3

230

4

J2

4

 

5

5

220

 

6

 

6

 

.

SUBJECT

30-92 CHK J.J. REF

CO.

EQUIP TYPE

ELECTRIC OHIO U.S.A.

 

H1

TO

L1

3 PHASE

H3

POWER

L2

SUPPLY

 

 

L3

12

6

 

10 1

7 4

2

8 5

11

 

3 9 6

4

13

N.A.

7

5

14

S

204 8

6

15

S

206 9

-

S 208

FAN MOTOR

31SECONDARY THERMOSTAT

32A

 

215

214

31

 

CHOKE

THERMOSTAT

73

238

210

215

7

J1

7

233

8

8

74

 

 

9

231

1

 

10

75

J3

11

226

2

12

235

 

 

 

13

255

CONTROL 14

256

P.C. BOARD

THE LINCOLN CLEVELAND,

SCALE NONE

DRDADDATE7

TO PRIMARY COILS

S

10

380 VOLTS OR TRIPLE VOLTAGE INPUT PANEL

 

SS

11 12

B

4

5

 

 

A

7

8

 

6

4CR

9

SHOWN CONNECTED FOR 380 VOLTS

N.B.

TO GROUND PER

 

 

 

 

TO T2

 

 

 

 

TO

NATIONAL ELECTRICAL

 

 

 

 

 

 

 

 

1CR

CODE

 

 

 

 

 

 

 

 

 

 

H1

 

 

 

 

TO

L1

7

4

13

 

3 PHASE

 

H2

 

 

 

TO

POWER

L2

8

5

14

PRIMARY

SUPPLY

 

 

 

 

 

 

 

 

COILS

 

L3

9

6

15

 

 

SEC

SEC

4

 

 

215

 

217

R2

210 3CR

OUTPUT

SNUBBER

P.C. BOARD

G1 GATE LEADS

G3 TO FIRING CIRCUIT

G5 P.C. BOARD

SCR SNUBBERS

222

 

G3

1

 

1

214

 

G6

2

 

2

203

 

222

G1

3

J4

3

206

-

 

G4

4

 

4

204

222

G5

5

 

5

215

 

G2

6

J5

6

215

 

220

A

1

7

205

 

 

8

208

 

 

B

2

 

9

207

 

 

B'

3

 

10

231

 

 

4

J7

11

 

 

 

C

5

12

 

 

 

 

 

500 AMP

C'

6

 

1

Y

OUTPUT

A'

7

 

8

J6

2

X

 

216

 

 

3

Z

 

 

FIRING

 

 

 

CIRCUIT

4

 

 

L1

 

P.C. BOARD

 

 

 

 

 

 

 

TO T1 AUXILIARY WINDING

. No.

 

 

OTHERWISE SPECIFIED TOLERANCECh'ge. Sht

-19-293G

-19-393D

SIZES PER E2056

PLACE DECIMALS IS .02 PLACE DECIMALS IS .002 ANGLES IS .5 OF A DEGREE1193C-19-TOLERANCEt (" ") TO AGREE PUBLISHED STANDARDS.

380/ 500 VOLTS OR 460/ 575 VOLTS

INPUT PANEL

SHOWN CONNECTED FOR LOW VOLTAGE

 

LEGEND

SW1

INPUT POWER

SW2

ELECTRODE POLARITY

SW3

OUTPUT CONTROL

SW4 WELDING MODE

F1

8 AMP SLOW BLOW FUSE

R1

10K OHM POTENTIOMETER

R2 30 OHM, 300 W

R3 10 OHM, 50 W (20W ON EARLIER MODELS)

T1

MAIN POWER TRANSFORMER

T2

CONTROL TRANSFORMER

L1

LOW CURRENT WELDING CHOKE

1CR

INPUT CONTACTOR

SCR

SCR

1

3

SCR

SCR

2

4

SCR

OUTPUT SHUNT

 

 

5

50 MV

 

 

 

 

NOTES:

 

 

 

 

215 210

 

N.A. 13, 14, AND 15 CONNECTIONS PRESENT

 

+

ON 380/500 AND 460/575 MACHINES

 

 

 

+ -

1000 AMP

ONLY.

 

 

 

 

N.B. 10,11, AND 12 CONNECTIONS NOT

 

 

OUTPUT

SCR

 

 

PRESENT ON 380V. OR TRIPLE

6

 

 

VOLTAGE MACHINES.

 

 

 

 

 

 

N.C. CONNECTIONS TO H2, H3, OR H4

 

 

 

DEPENDS ON INPUT VOLTAGE. SEE

G6

GATE LEADS

 

INPUT SUPPLY CONNECTION

 

INSTRUCTIONS. H4 CONNECTION

G4

TO FIRING CIRCUIT

 

 

APPEARS ON 380V AND TRIPLE

G2

P.C. BOARD

 

 

 

VOLTAGE MACHINES ONLY.

UNLESS

ONHOLE ON2 ON3

ONALL

MATERIAL WITH

THIS SHEET CONTAINS PROPRIETARYINFORMATION

OWNED BYTHE LINCOLN ELECTRICANDCO. IS NOT TO BE REPRODUCED, DISCLOSED OR USED

WITHOUT THE EXPRESS PERMISSION OF

THE LINCOLN ELECTRIC CO.

L

2CR

FAULT PROTECTION RELAY

3CR

CURRENT ACTIVATED REED SWITCH

9008

4CR

OUTPUT PILOT RELAY

 

 

 

ELECTRICAL SYMBOLS PER E1537

CONNECTOR CAVITY NUMBERING SEQUENCE

(VIEWED FROM COMPONENT SIDE OF BOARD)

J3

J6

J4

 

J2, J7

 

J5

 

J1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 DC1000

Page 106 Page 108
Image 107
Page 106 Page 108
Contents Idealarc Electric and Magnetic Fields SafetyElectric Shock can kill Welding Sparks can cause fire or explosion Sûreté Pour Soudage a L’Arc Précautions DE SûretéMaster Table of Contents for ALL Sections Installation Output Technical Specifications Idealarc DCStacking Electric Shock can KillSelect Proper Location Electrical Input ConnectionsGround Connection Reconnect ProcedureFuse and Wire Sizes Input Power Supply ConnectionsFigure A.3a Input Connection Diagram Figure A.3c -Input Connection Diagram Figure A.3d Input Supply Connection Diagram Output Connections Cutting Operation Connection for AIR/CARBON ARCIdealarc DC-1000 Operation Electric Shock can kill Safety InstructionsRecommended Processes and Equipment Operational Features and ControlsDesign Features Advantages General DescriptionWelding Capability Return to Section Controls and SettingsNA-3 Automatic Wire Feeder Welding Procedure RecommendationsRemote Control of Machine Operation ARC Striking with Idealarc DC-1000 and the NA-3 Start Board Remote LN-8 SEMI-AUTOMATIC Wire FeederTable of Contents AccessoriesRemote Output Control Optional OPTIONS/ACCESSORIESConnecting the NA-3 or LT-7 to Idealarc DC-1000Figure C.2 NA-5 Wire Feeder Connection to Idealarc DC-1000 Connecting the NA-5 to the Idealarc DC-1000Connecting the LN-8 to the Idealarc DC-1000 Connecting the LN-9 Wire Feeder to the Idealarc DC-1000 Connecting the LN-7 Wire Feeder to the Idealarc DC-1000 Maintenance Routine and Periodic Maintenance Safety Precautions Electric Shock Can KillFigure D.1 Major Component Locations Idealarc DC-1000 Theory of Operation TOR, and Main Transformer Input Line VOLTAGE, ContacCONTROL, and Feedback Output RectificationCircuits Contactor HOLD-IN Protection DevicesFigure E.5 SCR Operation SCR OperationIdealarc DC-1000 Troubleshooting & Repair Locate Problem Symptom HOW to USE Troubleshooting GuideBoard can be damaged by static electricity PC Board Troubleshooting ProceduresControl Transformer Test Return Return to Master TOC Return Return to Section TOC Perform SCR Output Bridge Troubleshooting & Repair Function Problems Perform Firing Board Test Perform Control Board Test SCR Output Troubleshooting & Repair Control Transformer T2 Voltage Test Test DescriptionFigure F.1 Control Transformer Lead Location Test ProcedureFigure F.2 Control Transformer X1 and X2 Test Points Main Transformer T1 Voltage Test Test Description Figure F.4 Main Secondary Lead Test Points From Expected VAC Firing Board Test Test Procedure for Normal Firing Board Operation Figure F.7 Terminal Strip Jumper Wire Connections Figure F.8 Output Pilot Relay 4CR Location Then Table F.1 LED 7, 8 and 9 Check ListControl Board Test Figure F.9 Control Board LED and Pin Locations Test Procedure for Normal Control Board OperationIf LED 1 does not light, when the start switch is on Possible Problems Pertaining to the Control BoardFigure F.11 LED 2 Open Circuit Voltage Test Points If LED 4 lights Static SCR Test Figure F.12 Test ProcedureFigure F.13 SCR Heat Sink Assembly Test Points Static SCR Test Active SCR Test Active SCR Test Figure F.16 Heat Sink Assembly Test Points Battery Test Scope Settings Troubleshooting & Repair Troubleshooting & Repair Troubleshooting & Repair Troubleshooting & Repair Troubleshooting & Repair Troubleshooting & Repair Input Contactor 1CR Cleaning AND/OR Replacement Figure F.18 Input Contactor Cover Removal Cleaning ProcedureRemoval Contactor ReplacementInstallation SCR Output Bridge Replacement Figure F.22 Preparation For SCR Output Bridge Removal SCR Output Bridge RemovalFigure F.23 SCR Output Bridge Removal Removal of Individual SCR Heat Sink Assemblies SCR Output Bridge Installation SCR Heat Sink InstallationTOC Removal and Reassembly of Lift Bail Figure F.25 Lift Bail Removal Removal of Lift BailReassembly of Lift Bail Main Transformer Removal and Installation Figure F.26 Main Transformer Disassembly Main Transformer Disassembly and AssemblyCoil Removal Replacement Main Transformer DisassemblyTransformer Reassembly Transformer InstallationIdealarc DC-1000 Open Circuit Voltages Input Idle Amps and WattsIdealarc DC-1000 Electrical Diagrams Idealarc DC-1000 Wiring Diagram Codes 9919 Operating Schematic Control PC Board G1585 Layout Firing PC Board G1486-5 and above Layout Control PC Board G1585 Schematic Firing PC Board G1486-5 and above Schematic Output Snubber M14312 Schematic
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