Lincoln Electric IDEALARC SP-250 Service Manual page 111

Lincoln electric welding system user manual
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G-11
2 LINE X 16 CHAR.
ALPHA-NUMERIC
LCD DISPLAY
AUTO
PROCESS
WIRE/
GAS
MEMORY
1
TIMERS
OFF
N.F.
B
PIEZO
ALARM
TO
WORK
N.J.
THUMB
SWITCH
327
DEC.
INC.
326
TRIGGER
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.
IDEALARC SP-250
WIRING DIAGRAM FOR CODE 9723 & 10001
SP-250 (DUAL VOLTAGE) - WIRING DIAGRAM
A
541B
B
539B
1
C
322
2
(J13)
D
321
3
E
325B
4
F
324B
5
OPTIONAL SPOOL OR PULL
6
GUN RECEPTACLE
R
7
(J1)
B
8
*
9
10
MANUAL
11
12
GND
13
14
15
SAVE
16
5
3
1
(J2)
7
*
(J5)
2
3
4
5
9
6
8
2
IPM
SPOT
VOLTS
TOGGLE
STITCH
4
SET
SET
4
5
DISPLAY
DISPLAY
KEYPAD MATRIX
R
515B
326
1
326
555
539
325
2
325
327
3
327
206B
324
4
324
541
N.A.
N.C.
327
324
325
206
207
N.B.
326
R.F. FILTER
324
X5
202
X6
325
204A
X7
203
X1
H1
L1
L2
X2
H2
X3
X4
H3
H1
H4
SHUNT
POWER TRANSFORMER
T1
+
H1
-
LINE
SWITCH
S1
205
C1 THRU C4
C1
C2
C4
206S
C3
30,000 MFD
50V
+
+
+
+
ELECTRICAL DIAGRAMS
CONTROL BOARD
1
(J7)
*
2
*
(J8)
(J4)
3
4
1
2
3
4
*
(J9)
1
2
3
4
5
6
7
8
SP - 250
1
2
3
4
5
6
SPOOL GUN
1
1
202
1
555
2
(J12)
204A
2
2
206B
3
203
3
3
515B
4
206
4
4
325
207
5
G1
5
5
GND
6
*
204
6
6
326
209
(J3)
7
G2
7
7
324
8
*
8
539
8
9
9
(J6)
9
541
10
10
10
205
11
11
1
2
3
11
12
12
12
206S
13
13
325A
14
14
327
320
15
208
16
GND
1
515B
2
555
3
539
4
206B
5
6
541
W
541
MOTOR/
T
R
515B
GEARBOX
P.M.
A
U
555
C
206B
H
B
B
539
320
328
325A
N.E.
N.G.
TO SINGLE PHASE
THERMOSTAT
THERMOSTAT
S3
S4
H4
P2
W
H2
H3
TO GROUND PER
208
L1
NATIONAL ELECTRICAL
G1
LOW V.
HIGH V.
B
JUMPER
SCR 1
250V
470A
204
L2
SCR HEATSINK
ASBLY
GND.
RECONNECT PANEL
SCR 2
250V
G
470A
G2
N.E.
209
P2
D1
300V
T1
T2
P1
P2
85A
FAN
S2
206
MOTORS
THERMOSTAT
15 OHMS
100 W
R2
2.5K
204
OUTPUT
N.H.
10W
CHOKE
207
GAS
SOLENOID
GENERAL INFORMATION
MODULE
ELECTRICAL SYMBOLS PER E1537
1
541B
2
321
COLOR CODE:
3
324B
B - BLACK
6
539B
W - WHITE
7
322
R - RED
*
8
325B
U - BLUE
4
*
INDICATES CONNECTOR CAVITY NO.
5
9
10
*
(J11)
4
5
6
7
8
R.F. CHOKE AS'BLY.
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
"POSITIVE". TO CHANGE POLARITY, TURN THE UNIT
OFF AND REVERSE LEAD CONNECTIONS AT CABLE
CONDUCTOR STRAP AND WORK STUD.
N.C. CONNECTOR SHOWN GEARBOX SIDE VIEW.
N.E. THERMOSTATS MOUNTED ON CHOKE COIL
.
S2 MOUNTED CLOSEST TO FAN; S3 MOUNTED CLOSEST TO
POWER TRANSFORMER.
N.F. KEYPAD MATRIX SHOWN FRONT VIEW.
SUPPLY LINE
L1
N.G. THERMOSTAT S4 MOUNTED ON FAN SENSOR BRACKET
N.H. RESISTOR R2 MOUNTED ON FAN SENSOR BRACKET.
L2
N.J. CONNECTOR SHOWN PIN SIDE VIEW.
GND
CAVITY NUMBERING SEQUENCE
CODE
(COMPONENT SIDE OF P.C. BOARD)
J1
TOP
1
16
1
J2
J3
1
6
1
5
1
4
J4
J12
J11
7
12
10
6
5
8
1
2
1
3
J7
J9
J8
3
4
4
6
1
7
1
8
J5
J6
8
14
9
16
G-11
9
2-28-92B
L8423
IDEALARC SP-250

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