Lincoln Electric SVM179-B Welder User Manual


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ElECTriCal DiaGrams
G-3
lN-25™ prO
WiriNG DiaGram - lN-25 prO - CODEs 11507, 11508 (G5681-1)
CONTROL P.C
.
BOARD
-
+
BRIDGE
RECTIFIER
AC
AC
POLARITY
LED
A
P14
62
2A
TRIGGER
CONNECTOR
WIRING DIAGRAM LN-25 PRO
B
G5681-1
J1, J
2, J8, J
15
C
AVI
TY
NU
MBE
RIN
G SEQ
UENCE
(VI
EW
ED FROM COMPONENT
S
IDE OF
P
.C.
BO
ARD
)
6
5
10
1
J6, J
7, J
10
9
8
16
1
4
6
1
3
J3, J
5, J9, J
60
5
4
8
1
J1
2, J
17
FEED
PLATE
P9
8
M
OT
O
R
/
GEARBOX
W
R
TACH
U
B
53
1
B
B
W
69
0
69
1
GAS
SOLENOID
TRIGGER
INTERLOCK
/
2STEP
J3
5
6
3
4
2
1
R
U
B
5
6
3
4
2
1
7
8
J6
1 2 3456789
10111213141516
50
0A
B
C
D
E
53
7
53
4
55
1
55
0
7
6
5
4
3
2
1
N
OT
E
S:
N.
A. PI
N
NEARES
T T
H
E
FL
A
T
EDG
E
OF
L
E
D
LEN
S
(A
NOD
E)
A
LI
GN
S
W
IT
H
W
HI
TE
LEA
D
OF
L
E
D
SOCKE
T.
N.
B.
T
OG
GL
E
SW
IT
CHE
S
SHOW
N
FR
O
M
REA
R
CONNE
CT
IO
N
SI
D
E
OF
S
W
IT
C
H.
N.C.
PRESE
NT
O
N
CO
NT
R
OL
C
ABL
E
MODEL
S
ONL
Y.
N.D.
PRESE
NT
O
N
ACROS
S
TH
E
AR
C
MODEL
S
ONL
Y.
N.
E.
CONNE
CT
"
EX
TR
A
" T
O
"T
ORQUE
"
O
N
EX
TR
A
TO
RQU
E
MODEL
S
ONL
Y.
N.
F.
N
OT
P
RESE
NT
O
N
A
LL
MODEL
S.
S4
1
GAS PURGE
PUSHBUTTON
SWITCH
S1
S3
COLD
FEED
2
3
4
53
0A
53
0
52
3
58
7
58
7A
P16
1
2
3
4
P7
5
6
72
1A
50
0
62
2A
57
5A
50
0A
62
2
57
5
7
8
57
6A
57
6
N.B.
N.B.
,
N.
F.
N.B.
L5
L4
YELLOW
THERMAL
LED
1W
N.A.
CC
/
CV
S2
52
3A
N.B.
VM
+
66
7B
72
1
ARC
VOLTMETER
1234
J5
J4
1234567
8
9
10 11 12
9
10
J2
A
B
C
D
E
J14
57
6A
57
5A
57
7A
10
K2W
R1
WIRE FEED SPEED
CONTROL RHEOSTAT
1B
9
10
11
12
13
14
15
16
62
1A
72
1
1B
1W
2B
2W
57
7
1B
1W
2B
2W
57
7A
66
7B
21
B
67
B
50
0
62
2
50
9C
50
9E
50
9
50
9E
61
0
70
7
53
0
69
0
57
5
57
8
53
1
60
1
57
6
53
7
61
2
58
7
60
6
60
7
60
5
60
8
50
7
57
7
69
1
53
4
1W
2W
3B
4B
P60
61
2
52
3
50
9A
50
9D
50
9D
53
0A
52
3A
58
7A
50
9C
PO
ST-FL
OW
BURNBACK
TIMER KIT
(
OPTIONA
L)
J60
8
60
1
50
9B
60
5
60
6
60
7
60
8
765
43
2
1
70
7
21
A
66
7A
61
0
77
C
76
C
75
C
OUTP
UT
CO
NT
RO
L
A
J19
B
C
D
E
F
G
H
I
J
K
L
M
N
R
EMOTE
VOLTAGE
CO
NT
RO
L
42VA
C
1 2 3456789
10
J1
ANALOG DISPLAY CASE FRONT
1
2
3
4
J7
5
6
7
8
9
10
11
12
13
14
15
16
CO
NNE
CTS TO
J7 ON
HARN
ESS
TO P60
ON
HARN
ESS
G
ENER
A
L
INFOR
MAT
ION
EL
EC
T
RIC
A
L
SYMBOLS P
ER
E1537
LE
AD
CO
L
OR COD
ING
B
- B
L
AC
K
W
-
W
HI
TE
50
7
57
8
CO
NT
A
CT
O
R
C
OIL
+
1234
J11
CURRENT
TRANSDUCER
CO
NTA
CTO
R
N.C.
N.D.
67
C
50
9B
50
9A
50
9
N.D.
14 PIN CIRCULAR CONNECTOR
TO POWER SOURCE
8
7
6
5
4
3
2
1
60
1
50
9B
60
5
60
6
60
7
60
8
P15
8
7
6
5
4
3
2
1
75
D
10
9
76
D
77
D
41
A
42
A
2
77
D
4
76
D
75
D
42
A
41
A
CO
NNE
CTS TO
P7 ON
C
ASE
F
RO
NT
55
0
55
1
J15
1 23456789
10
75
C
76
C
77
C
41
42
J1
1, J
1
6, J
18
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
67
B
P17
CO
NNE
CTS TO J17
ON
HARN
ESS
CO
NNE
CTS TO 14 PIN
CI
RCU
LA
RCO
NNE
CTO
R
J18
3
4
1
2
3
4
CO
NNE
CTS TO P17
ON
C
ASE FRO
NT
41
42
CO
NNE
CTS TO J8
ON P
R
ESET P
.C. BD.
FL
EX
EX
TR
A
TO
RQUE
N.
E.
7
8
5678
67
E
21
E
2A
4A
CO
NNE
CTS
TO T
IMER
KIT
1
2
3
4
5
6
J17
70
8
66
7
4A
2A
72
1A
67F
21
D
62
1
5
6
70
8
67
C
66
7C
62
1
67
21F
2
4
21F
21
C
67
E
67F
67
D
CO
NNE
CTS TO P18
ON
C
ASE FRO
NT
66
7A
21
A
62
1A
21
E
21
D
21
C
TO
WORK
C
LIP
2W
N.A.
2B
L6
BLACK
RED
FAN
+
-
4B
3B
4B
N.
O.
N.
O.
SHOWN
I
NCV
SHOWN
I
N2STEP
D1
INPUT ELECTRODE
CABLE CONNECTION
66
7D
L7
66
7E
66
7
G-3
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.
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