Lincoln Electric SVM 117-A service manual To Section

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G-5 ELECTRICAL DIAGRAMS G-5

Wiring Diagram (208/230) Code 9799

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OPTIONAL
TIMER						*
BOARD				J14
}
1		2	3	4	5		6	7	8
260	262	261	263	265		264	266	267
							251
R3				WIRE SPEED
							252
							256
R4				ARC VOLTAGE
							253

A	541B
B	539B

260	1
262	2
261	3
263	4
265	5
264	6

2667

2678

1

2

3

4

5

6

7

8

9

10

2541

2522

2533

2554

251 5

} J1	*
J2	*

SPI TEST
}PLUG
} J10	*

(J7) *

1 2 3 4

SCI TEST

PLUG

		1
		2
		3
		4
	*	5
(J5)		6
		7
		8
		9
		10

11

		CONTROL BOARD												1
											(J8)		*	2
			*	(J4)										3
														4
1	2	3	4		5	6	7	8			(J9)		*
515	325A	324A	206A		541A	495	542	543	1	2	3	4	5	6
									1				202	1
	555								2
												204A		2
	206B								3
													203	3
	515B							206	4
														4
	325							207	5
													G1	5
								GND	6
													204	6
								209	7
	324												G2	7
									8
										*				8
	539								9
														9
	541								10	(J6)
														10
								205	11
														11
									12
														12

(J3)

*

GAS

SP - 250

SPOOL GUNSOLENOID MODULE

1541B

2321

3324B

6539B

		(J12)				7	322
			*			8	325B
						4
						5
						9
						10
		(J11)		*
1	2	3	4	5	6	7	8

8651	-31-92
L	1

GENERAL INFORMATION

ELECTRICAL SYMBOLS PER E1537

COLOR CODE:

B - BLACK

W - WHITE

R - RED

U - BLUE

*INDICATES CONNECTOR CAVITY NO.

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POWER-ON INDICATOR

+

-

254	C	322
(J13)
	D	321
255	E	325B
	F	324B

OPTIONAL SPOOL

OR PULL GUN

RECEPTACLE

256 6

12

13

14

206S	13
325A	14

32015

208 16

515 325A 324A 206A 541A 495 542 543

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GND

GND

515B

1

515B

555

2

555

GUN

2

2

325

539

3

539

206B

4

206B

TRIGGER

1

4

324

5

541

6

541

TO

WORK

N.A.

W

541

MOTOR/

T

R

515B

GEARBOX

P.M.

A

U

555

C

H

B

206B

B

539

203

207

N.B.

320

N.C.

328

325A

N.D.

R.F. FILTER

THERMOSTAT

THERMOSTAT

S3

S4

X5

202

X6

H4

P2

204A

W

H2

H3

X7

208

203

L1

X1

G1

LOW V.

HIGH V.

H1

JUMPER

H1

SCR 1

B

250V

204

470A

L2

L1

L2

X2

SCR HEATSINK

TO SINGLE PHASE

SUPPLY LINE L1

L2

GND TO GROUND PER

NATIONAL ELECTRICAL CODE

R.F. CHOKE AS'BLY.

NOTES

N.A. WELDING CABLE MUST BE OF PROPER CAPACITY FOR THE CURRENT AND DUTY CYCLE OF IMMEDIATE AND FUTURE APPLICATIONS.

N.B. THIS DIAGRAM SHOWS THE "ELECTRODE" POLARITY "POSITIVE". TO CHANGE POLARITY, TURN THE UNIT OFF AND REVERSE LEAD CONNECTIONS AT CABLE CONDUCTOR STRAP AND WORK STUD.

N.C. THERMOSTATS MOUNTED ON CHOKE COIL

S2 MOUNTED CLOSEST TO FAN; S3 MOUNTED CLOSEST TO POWER TRANSFORMER.

N.D. THERMOSTAT S4 MOUNTED ON FAN SENSOR BRACKET

.

N.E. RESISTOR R2 MOUNTED ON FAN SENSOR BRACKET.

CAVITY NUMBERING SEQUENCE

(COMPONENT SIDE OF P.C. BOARD)

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H2

ASBLY

GND.

RECONNECT PANEL

H2

X3

SCR 2

G

250V

X4

470A

H3

G2

N.C.

H1

H4

H3

209

SHUNT

P2

POWER TRANSFORMER

D1

T1

300V

T1

T2

P1

P2

H1

+

85A

-

FAN

LINE

206

S2

MOTORS

SWITCH

THERMOSTAT

S1

205

15 OHMS

R1

206S

C1

C2

C3

C4

C1 THRU C4

100 W

R2

30,000 MFD

2.5K

+

+

+

+ 50V

204

OUTPUT

N.E.

10W

CHOKE

207

J1	1	4	1		5	1	6
J4			J2			J3
J11			J12
J14						7	12
	5	8	6		10
			1		7	1	8
		J5			J6
			8		14	9	16
			1	2	1	3
			J7		J9
			J8		J10
			3	4	4	6

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels.

WIRE-MATIC 250