Lincoln Electric SVM 119-A Welding System User Manual


 
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ELECTRICAL DIAGRAMS
G-2
WIRE-MATIC 255
Wiring Diagram (208/230) Code 10166
GENERAL INFORMATION
COLOR CODE:
B - BLACK
W - WHITE
THERMOSTAT
202
204A
203
204
208
G1
X2
X1
G2
209
SCR 1
250V
470A
SCR HEATSINK
ASBLY
SCR 2
250V
470A
C1 C2
C3
C4
++++
POWER TRANSFORMER
H3
H2
H1
L1 L2
H1
LINE
SWITCH
S1
H2
H3
L1
GND.
RECONNECT PANEL
L1
L2
GND
TO SINGLE PHASE
SUPPLY LINE
TO GROUND PER
CODE
P2
T1
FAN
MOTORS
T2
P1 P2
S2
THERMOSTAT
207
206
OUTPUT
CHOKE
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
D1
300V
85A
*
INDICATES CONNECTOR CAVITY NO.
ELECTRICAL SYMBOLS PER E1537
OFF AND REVERSE LEAD CONNECTIONS AT CABLE
CONDUCTOR STRAP AND WORK STUD.
NATIONAL ELECTRICAL
H4
LOW V.
L2
HIGH V.
C1 THRU C4
30,000 MFD
50V
H1
H2
H3
H1
H4
320
THERMOSTAT
S3
S4
R2
"POSITIVE". TO CHANGE POLARITY, TURN THE UNIT
.
R - RED
U - BLUE
2.5K
10W
G
X3
X4
X5
X6
X7
15 OHMS
100 W
R1
1
2
3
4
5
6
7
8
12345678
555
*
*
(J4)
CONTROL BOARD
1234
*
(J7)
515
541A
495
542
543
123456
*
(J9)
209
208
204A
204
207
206
GND
G1
G2
320
1
2
3
4
5
6
7
8
9
10
11
12
(J3)
*
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
*
1
2
3
4
5
6
7
8
9
10
11
12
13
14
*
(J5)
(J6)
324
206S
205
325A
324A
206A
206B
515B
325
325A
TO
WORK
N.A.
GND
202
203
325A
205
206S
+
-
SHUNT
328
S2 MOUNTED CLOSEST TO FAN; S3 MOUNTED CLOSEST TO
POWER TRANSFORMER.
SCI TEST
PLUG
260
262
261
263
265
264
266
267
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
*
*
PLUG
J10
J2
J1
254
252
253
255
251
256
OPTIONAL
TIMER
BOARD
1
2345678
260
262
261
263
265
264
J16
*
251
256
253
254
255
R4
R3
WIRE SPEED
ARC VOLTAGE
+
-
P2
JUMPER
T1
N.E.
N.C.
N.C. THERMOSTATS MOUNTED ON CHOKE COIL
N.D. THERMOSTAT S4 MOUNTED ON FAN SENSOR BRACKET
N.E. RESISTOR R2 MOUNTED ON FAN SENSOR BRACKET.
N.C.
N.D.
SPI TEST
252
266
267
204
POWER-ON
INDICATOR
P.M.
GEARBOX
MOTOR/
R.F. FILTER
W
B
L9690
1
2
3
9
SPOOL GUN ADAPTER
9
4
5
6
7
8
10
11
12
13
14
390
325A
324A
206A
541A
495
542
543
392
515
392B
390A
HARNESS
390
392
1
2
3
4
392B
390A
TO
SPOOL GUN
OPTION
GAS
SOLENOID
JUMPER USED WITHOUT
SPOOL GUN OPTION
1
2
3
4
*
(J8)
207
206
WIRE - MATIC 255 (208 / 230V)
J20
N.B.
J21
R.F.
CHOKE
AS'BLY
B
W
555
W
B
T
A
C
H
B
R
U
325
1
3
2
4
1
3
2
4
5
6
555
555
324
515B
206B
515B
206B
515B
206B
W
W
B
B
R.F.
CHOKE
AS'BLY.
R.F.
CHOKE
AS'BLY.
1
2
B
W
B
W
1
2
1
3
2
4
325
324
1
2
GUN
TRIGGER
325
324
(COMPONENT SIDE OF P.C. BOARD)
14
58
1
J4
J7
12
34
13
46
CAVITY NUMBERING SEQUENCE
J3
J9
J8
J5
J6
6
712
1
7
1
8
9
16
8
14
12
34
13
46
1
7
8
14
1
2
J11
J12
J20
J13
J14
J21
J15
(NON-LEAD SIDE OF CONNECTOR)
*
*
NUMBERING SEQUENCE
CAVITY
J10
J1
15
610
J2
J14
**
J15
**
J11
J12
**
**
J13
**
J16
**
**
C-RW
G-2
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.