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Wiring diagrams, Pm 255 – Lincoln Electric IM676 RED-D-ARC PM 255 User Manual

Page 30

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F-1

F-1

WIRING DIAGRAMS

1

209

555

B

W

515

254

262

207

P

.M.

208S

J9

B

T

A

C

H

D1

ASBL

Y

2-01A

11

1

28.4V

14.2V

14.2V

116.6V

515

206A

SCI

541A

326

543

206B

353

GENERAL INFORMA

TION

CA

VITY NUMBERING SEQUENCE

(COMPONENT SIDE OF P

.C. BOARD)

1

2

1

J7

1

16

J5

9

TO

WORK

CA

VITY

J13

WIRE FEED

SPEED

C1 THRU C3

31,000 MFD

50V

4

-

U

515B

555

206B

206

204S

3

2

SCR HEA

TSINK

ASSEMBL

Y

THERMOST

A

T

8

7

6

5

4

3

L10980

204

G1

X7

325A

324

SCI

390

FOR SPOOL GUN OPTION

OUTPUT

CHOKE

+

X4

206B

G2

209S

H4

**

COLOR CODE:

H5

GUN

TRIGGER

POWER

TRANSFORMER

4

2

324

325

324

H3

J3

7

7

5

209R

320B

W

G1

3

4

1

2

3

4

7

CURRENT AND DUTY CYCLE OF IMMEDIA

TE AND

FUTURE APPLICA

TIONS.

5

3

-

N.B. THIS DIAGRAM SHOWS THE "ELECTRODE" POLARITY

SNUBBER

BOARD

D2

BAFFLE

MOUNTED

RECTIFIER

DIODE

BRIDGE

W

207

B

205

390

10

256

206S

205

352

X9

**

325B

DISPLA

Y

BOARD

X5

208R

209R

354

8

12

2

3

4

8

6

5

7

14

15

16

J12

1

2

209

208

206

354

325B

GND

320

353

252

2

1

4

2

3

13

12

10

6

5

1

2

208R

208

204S

209S

500

256

551

552

206B

251

555

X8

515B

G2

325

J11

1

1

2

3

X8

3

4

C3

+

C2

C1

X2

X3

R4

INDICA

TES CONNECTOR CA

VITY NO.

U - BLUE

R - RED

W - WHITE

B - BLACK

SECONDAR

Y VOL

T

AGES SHOWN

ARE NO LOAD RMS V

ALUES

OUTPUT CHOKE

THERMOST

A

T

+

+

B

206S

L1

H2

H5

5

R

H4

H1

4

2

1

3

H1

LINE

SWITCH

S1

RECONNECT

P

ANEL

(SHOWN CONNECTED

FOR 230V)

TO SINGLE PHASE

SUPPL

Y LINE

TO GROUND PER

NA

TIONAL ELECTRICAL

CODE

ARC

VOL

T

AGE

10

6

5

1

J4

4

3

14

8

252

253

5

4

2

FOR TIMER

OPTION

6

GAS

SOLENOID

4

3

2

1

261

263

204

L2

15 OHMS

100 W

R1

204B

+

208S

6

R.F

. FIL

TER

SCR 2

254A

R3

FA

N

MOTOR

392

254

253

X6

X7

X7

X1

H1

H2

H1

H3

H4

W

B

L2

L1

**

1

6

8

9

10

J5

28.4V

J6

320

**

R.F

.

CHOKE

AS'BL

Y

GND

4

9

10

11

12

13

1

2

3

4

5

J7

5

6

J8

515B

550

X6

NOTES:

N.A. WELDING CABLE MUST BE OF PROPER CAP

ACITY FOR THE

J1

2

10

8

(NON-LEAD SIDE OF CONNECTOR)

2

1

J10

1

7

1

1

J2

J4

6

7

8

3

9

1

10

5

7

8

9

260

264

267

265

14

11

J2

J1

9

8

1

2

CONTROL BOARD

6

7

8

X9

X9

X5

POWER F

ACTOR

ENHANCEMENT

CHOKE

251

325

1

J6

J8

J9

6

5

4

6

1

J3

NUMBERING SEQUENCE

12

7

J12

8

2

J11

J13

4

3

1

352

J10

POWER MIG 255 (230/460/575V)

515

500

551

550

552

ELECTRICAL SYMBOLS PER E1537

SCR 1

SCR HEA

TSINK

MOTOR/

GEARBOX

B

X6

X5

X8

CONDUCTOR STRAP AND WORK STUD.

OFF AND REVERSE LEAD CONNECTIONS A

T

CABLE

"POSITIVE". TO CHANGE POLARITY

, TURN THE UNIT

392

W

PM 255