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G-3
ELECTRICAL DIAGRAMS
WIRE-MATIC 250
Wiring Diagram (230/460/575) Code 10003
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
GAS
SOLENOID
*
*
(J4)
CONTROL BOARD
1234
*
1
2
3
4
*
(J7)
(J8)
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
539
541
325A
T
A
C
H
TO
WORK
N.A.
1
3
2
4
5
6
539
541
555
539
555
541
515B
206B
515B
206B
GND
202
203
325A
(COMPONENT SIDE OF P.C. BOARD)
14
58
1
J4
J7
12
34
13
46
CAVITY NUMBERING SEQUENCE
J3
1
6
10
5
J8
J5
J6
6
712
1
7
1
8
9
16
8
14
205
206S
+
-
SHUNT
R.F. CHOKE AS'BLY.
328
S2 MOUNTED CLOSEST TO FAN; S3 MOUNTED CLOSEST TO
POWER TRANSFORMER.
J2
J1
J14
J9
J10
4
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
}
J14
*
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
325
324
2
1
2
204
POWER-ON
INDICATOR
P.M.
GEARBOX
MOTOR/
GUN
TRIGGER
R.F. FILTER
203
207
N.B.
541
515B
555
206B
539
B
B
U
R
W
W
B
2-5-93
L9078
TO
SPOOL GUN
OPTION
G-3
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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.