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G-10G-10
IDEALARC SP-250 IDEALARC SP-250
ELECTRICAL DIAGRAMS
WIRING DIAGRAM FOR CODE 9546 & 10002
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.
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
H1
T1
L1 L2
H1
LINE
SWITCH
S1
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
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.
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
L2
C1 THRU C4
30,000 MFD
50V
H1
H4
320
THERMOSTAT
S3
N.E.
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
2.5K
10W
G
X3
X4
X5
X6
X7
N.H. RESISTOR R2 MOUNTED ON FAN SENSOR BRACKET.
N.J. CONNECTOR SHOWN PIN SIDE VIEW.
N.H.
N.G.
15 OHMS
100 W
R1
PROCESS
WIRE/
GAS
AUTO
MEMORY
1
TIMERS
OFF
234
5
SAVE
SPOT
SET SET
DISPLAY DISPLAY
TOGGLE
45
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
LCD DISPLAY
2 LINE X 16 CHAR.
5
3
1
7
9
6
8
2
4
12345678
SP - 250
12345678
555
GAS
SOLENOID
KEYPAD MATRIX
MANUAL
*
*
*
*
(J1)
(J2)
(J4)
CONTROL BOARD
1234
*
1
2
3
4
*
(J7)
(J8)
B
R
A
B
C
D
E
F
(J13)
OPTIONAL SPOOL OR PULL
GUN RECEPTACLE
ALPHA-NUMERIC
IPM
VOLTS
515
541A
495
542
543
(J11)
(J12)
1
2
3
*
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)
*
515
541A
495
542
543
541B
321
539B
322
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)
326
327
324
206S
205
541B
539B
322
321
325B
324B
325A
324A
206A
206B
515B
325
539
541
325A
SPOOL GUN
MODULE
6
7
8
4
5
9
10
324B
325B
325A
324A
206A
GND
541
555
539
W
B
T
A
C
H
P.M.
MOTOR/
GEARBOX
324
325
TO
WORK
N.A.
324
325
TRIGGER
INC.
DEC.
207
206
N.B.
N.C.
B
R
PIEZO
ALARM
B
R
U
326
327
326
327
THUMB
SWITCH
R.F. FILTER
326
326
325
325
1
3
2
4
1
3
2
4
5
6
539
541
555
539
555
541
327
327
324
324
515B
206B
515B
206B
515B
206B
GND
STITCH
N.F.
N.J.
202
203
325A
(COMPONENT SIDE OF P.C. BOARD)
14
58
1
J4
J7
J2
19
1
16
12
34
13
46
CAVITY NUMBERING SEQUENCE
J3
J1
1
6
10
5
J9
J11
J12
J8
J5
J6
6
712
1
7
1
8
9
16
8
14
TOP
205
206S
+
-
SHUNT
R.F. CHOKE AS'BLY.
H4
H3
H5
H2
P2
5
13
42
H4
H5
H2
H2
H3
H1
328
(SHOWN CONNECTED
FOR 230 VOLT.)
N.G. THERMOSTAT S4 MOUNTED ON FAN SENSOR BRACKET.
204
2-28-92B
L7977
SP-250 (230/460/575V) - WIRING DIAGRAM