Lincoln Electric SVM179-B service manual WiriNG DiaGram lN-25 prO CODEs 11507, 11508 G5681-1

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G-3	ElECTriCal DiaGrams	G-3
WiriNG DiaGram - lN-25 prO - CODEs 11507, 11508 (G5681-1)

WIRING DIAGRAM LN-25 PRO

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ANALOG DISPLAY CASE FRONT

	YELLOW
WIRE FEED SPEED		1W	1B
	THERMAL

POLARITY 2W 2B LED

TRIGGER	S1		S2	509D
	509D
INTERLOCK /	509E	CC / CV		509C
2 STEP	587A			523A
N.B., N.F.		N.B.
SHOWN IN 2 STEP		SHOWN IN CV
			P16
N.B.	S3	509C	1		509
COLD		587A	2		587
	509E	523A	3		523
FEED	530A	530A	4		530
	N.O.			1	601
				2	509B
			P60	3
	FEED			4	4B
	PLATE			5	605
				6	606
		TACH		7	608
				8	607
	MOTOR /	R
	GEARBOX	U			CONNECTS
		B			TO TIMER
					KIT
	W B
		P9
		1

509A

509 530 523 509A 707 500 2W 3B

612 587 708 610 622 1W

509B

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

J6

FLEX

CONNECTS TO J8

ON PRESET P.C. BD.

CONTROL P.C. BOARD 1 2 3 4 5 6 7 8 9 10

J1

1

2

3 4

J2 5

6

7

8

9 10

601

606

608

605

EXTRA TORQUE

S4

GAS PURGE

PUSHBUTTON

SWITCH

612 N.O. 610

N.B.

GAS

SOLENOID

690

N.E.

691

CONTROL RHEOSTAT	LED
10K2W	N.A.
R1

N.A.

	R	2	531	L4
		3
CONNECTS TO	U	4	537
	B	5	534	L5
P7 ON CASE		6

J5

		1
		2
J4		3
	J3	4
		5

ARC

VOLTMETER

577A 576A 575A

CONNECTS TO J7 ON HARNESS

FRONT	B	7	551
	W	8	550

1 2 3 4 5 6 7 8

									6	BLACK	-
1	2	3	4	5	6	7	8	9 10 11 12	7		FAN
									8	RED	+

TOC

TOC

VM +

721 667B

TRIGGER

CONNECTOR

A 622A

P14 B 500A

C

D

E21A

BRIDGE

RECTIFIER

721	1			1	721A
500A	2			2	500
622A	3			3	622	667	2A	721A		67F		550	690		507		537		531		575
	4			4			4A		21D		621	551		691		577		578		534		576
575A	5			5	707
	6			6	575
576A	7			7	576
577A	8	P7	J7	8	577
	9			9	708
	10			10	75C

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TO WORK CLIP	21B	AC	+		667A
					667B
		-		AC D1
	N.D.		621A		67B

11

11

76C

1B

12

12

77C

3B

21D

507

578

CONTACTOR COIL

67F

13

13

1B

67C

1W

14

14

1W

21E

CURRENT

1

2

3

4

2B

15

15

2B

4B

21C

TRANSDUCER

2W

16

16

2W

67D

67E

INPUT ELECTRODE

CONNECTS TO J17

ON HARNESS 67B

1

1

67C

J11

CABLE CONNECTION

2

2

667C

667

+

667A

3

P17

J17 3

CONTACTOR

NOTES:

21A

4

4

21C

N.A. PIN NEAREST THE FLAT EDGE OF LED LENS (ANODE) ALIGNS WITH WHITE

76C 21E 4A 42

621A

5

5

621

1

N.D.

LEAD OF LED SOCKET.

6

6

J18

42

67E 75C 77C 2A 41

N.C.

N.B. TOGGLE SWITCHES SHOWN FROM REAR CONNECTION SIDE OF SWITCH.

667D

L7

667E

2

J15

N.C. PRESENT ON CONTROL CABLE MODELS ONLY.

CONNECTS TO P17

CONNECTS TO P18

3

41

1 2 3 4 5 6 7 8 9 10

N.D. PRESENT ON ACROSS THE ARC MODELS ONLY.

ON CASE FRONT

ON CASE FRONT

4

N.E. CONNECT "EXTRA" TO "TORQUE" ON EXTRA TORQUE MODELS ONLY.

TIMER KIT (OPTIONAL)

14 PIN CIRCULAR CONNECTOR

J19

CONNECTS TO 14 PIN

N.F. NOT PRESENT ON ALL MODELS.

TO POWER SOURCE

A

CIRCULAR CONNECTOR

POST-FLOW

J60

BURNBACK

E

1

67

2

B

D

A

C

OUTPUT

J14

1 2 3 4 5 6 7 8

2

75D

4

D

CONTROL

C

B

CAVITY NUMBERING SEQUENCE

3

77D

E

REMOTE

(VIEWED FROM COMPONENT SIDE OF P.C. BOARD)

P15

4

76D

76D

F

VOLTAGE

GENERAL INFORMATION

5

77D

75D

G

CONTROL

601

605 608

ELECTRICAL SYMBOLS PER E1537

1

2

1

3

1

4

6

21F

21F

H

A

J

J11, J16, J18

J12, J17

J3, J5, J9, J60

509B 4B 606 607

7

2

L6

41A

I

LEAD COLOR CODING

I

42VAC

B

K

H

3

4

4

6

5

8

8

4

42A

J

B - BLACK

J12

N

9

41A

K

C L

G

1

5

1

6

1

8

10

42A

L

W - WHITE

D

M

J1, J2, J8, J15

J4

J6, J7, J10

TO P60 ON

67

M

E

F

6

10

7

12

9

16

N

HARNESS

B

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G5681-1

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.

lN-25™ prO