Electrical diagrams, Wiring diagram ln-25 pro, Ln-25™ pro – Lincoln Electric LN-25 SVM179-B User Manual
Page 80
ElECTriCal DiaGrams
G-2
lN-25™ prO
WiriNG DiaGram - lN-25 prO - CODEs 11387, 11388 (G5681)
CONTROL P.C. BOARD
-
+
BRIDGE
RECTIFIER
AC
AC
POLARITY
LED
A
P14
622A
TRIGGER
CONNECTOR
WIRING DIAGRAM
LN-25 PRO
G5681
C
J1, J2, J8, J15
CAVITY NUMBERING SEQUENCE
(VIEWED FROM COMPONENT SIDE OF P.C. BOARD)
6
5
10
1
J6, J7, J10
9
8
16
1
4
6
1
3
J3, J5, J9, J60
5
4
8
1
J12, J17
FEED
PLATE
P9
8
MOTOR /
GEARBOX
W
R
TACH
U
B
531
B
B
W
690
691
GAS
SOLENOID
TRIGGER
INTERLOCK /
2 STEP
J3
5
6
3
4
2
1
R
U
B
5
6
3
4
2
1
7
8
J6
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
500A
B
C
D
E
537
534
551
550
7
6
5
4
3
2
1
NOTES:
N.A. PIN NEAREST THE FLAT EDGE OF LED LENS (ANODE) ALIGNS WITH WHITE
LEAD OF LED SOCKET.
N.B. TOGGLE SWITCHES SHOWN FROM REAR CONNECTION SIDE OF SWITCH.
N.C. PRESENT ON CONTROL CABLE MODELS ONLY.
N.D. PRESENT ON ACROSS THE ARC MODELS ONLY.
N.E. CONNECT "EXTRA" TO "TORQUE" ON EXTRA TORQUE MODELS ONLY.
N.F. NOT PRESENT ON ALL MODELS.
S4
1
GAS PURGE
PUSHBUTTON
SWITCH
S1
S3
COLD
FEED
2
3
4
530A
530
523
587
587A
P16
1
2
3
4
P7
5
6
721A
500
622A
575A
500A
622
575
7
8
576A
576
N.B.
N.B., N.F.
N.B.
L5
L4
YELLOW
THERMAL
LED
1W
N.A.
CC / CV
S2
523A
N.B.
VM
+
667B
721
ARC
VOLTMETER
1 2 3 4
J5
J4
1 2 3 4 5 6 7
8
9 10 11 12
9
10
J2
A
B
C
D
E
J14
576A
575A
577A
10K2W
R1
WIRE FEED SPEED
CONTROL RHEOSTAT
1B
9
10
11
12
13
14
15
16
621A
721
1B
1W
2B
2W
577
1B
1W
2B
2W
577A
667B
21B
67B
500
622
509C
509E
509
509E
610
707
530
690
575
578
531
601
576
537
612
587
606
607
605
608
507
577
691
534
1W
2W 3B
4B
P60
612
523 509A
509D
509D
530A
523A
587A
509C
576A
575A
577A
10K2W
R1
DIGITAL DISPLAY CASE FRONT
POST-FLOW
BURNBACK
TIMER KIT (OPTIONAL)
J60
8
601
509B
605
606 607
608
7
6
5
4
3
2
1
77A
10K2W
R2
REMOTE
CONTROL
VOLTAGE
RHEOSTAT
76A
75A
707
21A
667A
610
77C
76C
75C
OUTPUT
CONTROL
A
J19
B
C
D
E
F
G
H
I
J
K
L
M
N
REMOTE
VOLTAGE
CONTROL
42VAC
1 2 3 4 5 6 7 8 9 10
J1
ANALOG DISPLAY CASE FRONT
1
2
3
4
J7
5
6
7
8
9
10
11
12
13
14
15
16
CONNECTS TO
J7 ON HARNESS
TO P60 ON
HARNESS
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
LEAD COLOR CODING
B - BLACK
W - WHITE
507
578
CONTACTOR COIL
+
1 2 3 4
J11
CURRENT
TRANSDUCER
CONTACTOR
N.C.
N.D.
67C
509B
509A
509
N.D.
14 PIN CIRCULAR CONNECTOR
TO POWER SOURCE
8
7
6
5
4
3
2
1
601
509B
605
606
607
608
P15
8
7
6
5
4
3
2
1
75D
10
9
76D
77D
41A
42A
2
77D
4
76D
75D
42A
41A
CONNECTS TO
P7 ON CASE
FRONT
550
551
J15
1 2 3 4 5 6 7 8 9 10
75C
76C
77C
41
42
J11, J16, J18
3
4
1
2
J4
7
6
12
1
J12
A
B
C
D
E
F
M
L
K
J
I
N
G
H
67
1
2
67B
P17
CONNECTS TO J17
ON HARNESS
CONNECTS TO 14 PIN
CIRCULAR CONNECTOR
J18
3
4
1
2
3
4
CONNECTS TO P17
ON CASE FRONT
41
42
1 2 3 4
N.C.
CONNECTS TO J8
ON PRESET P.C. BD.
FL
EX
EXTRA
TO
RQUE
N.E.
7
8
5 6 7 8
67E
21E
2A
4A
CONNECTS
TO TIMER
KIT
1
2
3
4
5
6
J17
708
667
4A
2A 721A 67F
21D 621
5
6
708
67G
667C
621C
67
21F
2
4
21F
21G
67E
67F
67D
CONNECTS TO P18
ON CASE FRONT
667A
21A
621A
21E
21D
21C
WIRE FEED
SPEED
CONTROL
RHEOSTAT
TO WORK CLIP
2W
N.A.
2B
1
2
67B
P17
CONNECTS TO J17
ON HARNESS
3
4
5
6
667A
21A
621A
1
2
3
4
5
6
500A
622A
575A
7
8
576A
9
10
11
12
13
14
15
16
577A
77
76
75
707A
-
+
BRIDGE
RECTIFIER
AC
AC
621A
21B
67B
21A
TO WORK CLIP
-
+
BRIDGE
RECTIFIER
AC
AC
A
P14
622A
TRIGGER
CONNECTOR
500A
B
C
D
E
667B
J10
1 2 3 4 5 6 7
9 10 11 12
707A
702
21
805
708
67
804
701
802
8
13 14 15 16
801
76B 77B
75B
1 2 3 4 5 6 7
9 10
8
J8
1 2 3 4 5 6
J12
41B
42B
PRESET P.C. BOARD
FL
EX
667B
621B
P7
1
2
3
4
P11
667A
41B
708
P18
CONNECT TO J18
ON HARNESS
805
804
801
802
42C
41C
75
75B
76
76B
77
77B
CONNECTS TO J1
ON CONTROL BD
CONNECTS TO J7
ON HARNESS
CONNECTS TO J11
ON HARNESS
67
21
621B
42B
S5
RUN-
IN
N.B., N.C.
41C
42C
N.B.
701
702
L6
BLACK
RED
FAN
+
-
4B
3B
4B
N.O.
N.O.
SHOWN IN CV
SHOWN IN 2 STEP
SHOWN OFF
D2
D1
D1
INPUT ELECTRODE
CABLE CONNECTION
1
2
3
4
5
6
67C
667
621
21C
667D
L7
G-2
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.