Electrical diagrams, Wiring diagram for code 9402, Sp-250 (dual voltage) - wiring diagram – Lincoln Electric IDEALARC SP-250 Manuel d'utilisation
Page 109: Control board, Cavity numbering sequence
G-9
G-9
IDEALARC SP-250
ELECTRICAL DIAGRAMS
WIRING DIAGRAM FOR CODE 9402
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.
PROCESS
WIRE/
GAS
AUTO
MEMORY
1
TIMERS
OFF
2
3
4
5
SAVE
SPOT
SET
SWITCH
SET
DISPLAY
DISPLAY
TOGGLE
4
5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
321
322
LCD DISPLAY
2 LINE X 16 CHAR.
5
3
1
7
9
6
8
2
4
1 2 3 4 5 6 7 8
SP - 250
1 2 3 4 5 6 7 8
324
326
325
327
1 2 3 4
(J5)
539
555
515
541
206
1 2 3 4 5 6
(J6)
N.D.
GAS
SOLENOID
GENERAL INFORMATION
COLOR CODE:
B - BLACK
W - WHITE
541
515
555
206
539
W
B
T
A
C
H
P.M.
MOTOR/
GEARBOX
325
THERMOSTAT
324
325
TO
WORK
N.F.
KEYPAD MATRIX
N.A.
324
325
TRIGGER
INC.
DEC.
207
206
N.B.
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
P2
H2
H1
T1
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
N.E.
207
206
OUTPUT
CHOKE
GND
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
N.C. CONNECTOR SHOWN GEARBOX SIDE VIEW.
N.D. CONNECTORS MOUNTED ON NON-COMPONENT SIDE
OF BOARD.
(COMPONENT SIDE OF P.C. BOARD)
1
4
5
8
1
7
8
14
J4
J7
J2
1
9
1
16
1 2
3 4
1
3
4
6
MANUAL
N.C.
D1
300V
85A
CAVITY NUMBERING SEQUENCE
*
*
*
*
*
*
(J1)
(J2)
(J4)
*
INDICATES CONNECTOR CAVITY NO.
CONTROL BOARD
ELECTRICAL SYMBOLS PER E1537
OFF AND REVERSE LEAD CONNECTIONS AT CABLE
CONDUCTOR STRAP AND WORK STUD.
J3
J1
NATIONAL ELECTRICAL
H4
LOW V.
L2
HIGH V.
C1 THRU C4
30,000 MFD
50V
H1
H2
H3
H1
H4
1 2 3 4
*
1
2
3
4
*
(J7)
(J8)
B
R
B
R
PIEZO
ALARM
320
THERMOSTAT
S3
N.E.
326
S4
R2
"POSITIVE". TO CHANGE POLARITY, TURN THE UNIT
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.
R - RED
U - BLUE
1
6
10
5
J9
J11
J12
J8
2.5K
10W
G
B
W
539B
541B
A
B
C
D
E
F
(J13)
OPTIONAL SPOOL OR PULL
GUN RECEPTACLE
ALPHA-NUMERIC
IPM
VOLTS
515
325
324
206
541A
495
542
543
X3
X4
X5
X6
X7
B
R
U
326
327
326
327
THUMB
SWITCH
R.F. FILTER
R.F. TOROID AS'BLY.
(J11)
(J12)
*
1 2 3 4 5 6 7 8 9 10
*
(J9)
209
208
325
204A
204
207
204S
206
GND
202
203
G1
G2
320
1
2
3
4
5
6
7
8
9
10
11
12
13
14
(J3)
*
515
325
324
206
541A
495
542
543
N.D.
(NON-COMPONENT SIDE OF BOARD)
J5
1 2
3 4
1
3
4
6
J6
N.G. THERMOSTAT S4 MOUNTED ON FAN SENSOR BRACKET
N.H. RESISTOR R2 MOUNTED ON FAN SENSOR BRACKET.
N.J. CONNECTOR SHOWN PIN SIDE VIEW.
N.H.
N.G.
N.J.
204S
15 OHMS
100 W
R1
325B
324B
SPOOL GUN
MODULE
1
2
3
541B
321
539B
324B
322
325B
6
7
8
4
5
9
10
L7976
10-19-90N
SP-250 (DUAL VOLTAGE) - WIRING DIAGRAM
RF CHOKE
AS'BLY