Lincoln Electric IDEALARC CV-300 Service Manual page 91

G-4
*
TO A SYSTEM GROUND PER
NAT IONAL ELECTRICAL
RECONNECT
PANEL
C
1
1 7
D
2 2 8
E
3 9
3
F
TO
S1
LINE
SWITCH 208V
RECONNECT PANEL
1 D
4
1
E
5
2
2
F
6
3
3
TO S1 LINE SWITCH
230V
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 CV-300
WIRING DIAGRAM FOR CODE 9520, 9486
RECONNECT PANEL
INPUT SUPPLY
N.B.
LINES
ˇ˜ 7/64 @7
L3 L2 L1
L3 L2 L1
2 1
3
S1 S1
LINE LINE
SWITCH SWITCH
*
CODE
208/230/460 INPUT VOLTAGES
RECONNECT RECONNECT
PANEL PANEL
C B C B
B
A 1
A
A
1 1 7 1 7
D
D 4
4 2 2
2 8 4
8
2
E 5 E
5
3 3 9
3 9 3 5
6
6 F
F
6
TO TO
S1 S1
LINE LINE
SWITCH 230V SWITCH 460V
230/460/575 INPUT VOLTAGES
RECONNECT PANEL RECONNECT PANEL
7
1 D
4 7
7
1 D 1
4
8 1
2 E
5 8
8
2
2
E 5
9 2
3 F
6 9
9
3
3
F 6
3
TO S1 LINE SWITCH
TO S1 LINE SWITCH
460V 575V
ELECTRICAL DIAGRAMS
SNUBBER/BYPASS
204C 8
3 221 2
1 SCR3
223 204D
222 3
A
223 4
7.5 OHM
4
220 W 224 1
D3 G3
R1 7
7
224A
D
SCR2
10
+
2
2 G2
D2 C1
222
+
B 213B
C2
5
+
204D
C3
8
204C +
E
C4
SCR1
204A
11
224B
3 1 CONTROL
G1
221
D5 D4
P. C. BOARD
D1
C
6
J10
224B
224
9
G2 4
F
G3 2
12 J1
204A
1
G1 3
213B 4
200 6
J2
12V O1
201 10
202 8
12V O2
J3
203
9
2
SECONDARY
215
THERMOSTAT 3
FAN
66V O3
205 7
L1
31A
206 5
31
NC 1
33A
41
J4
42V O1
33 32
CB1
32A
10A
MAIN
CIRCUIT
TRANSFORMER
BREAKER
CONNECTOR CAVITY NUMBERING SEQUENCE
ELECTRICAL SYMBOLS
PER E1537
2 PIN 4 PIN
J10 J1
P.C. BOARD
J5
6 213
J5
213
5 214
400 A. 50mV
SHUNT
+
213A
213B
-
218
L1 CHOKE 214
-
219
214B
214B
213A 214A
WIRE FEEDER
VOLTMETER SWITCH
S3
1
N.A.
2
P9
TO
J8A P8A
21 475 1
OPTIONAL
4 4
2 POWER
8 214B
OUTPUT
SOURCE
224B 3
3 CONTROL 476
3 3 REMOTE
7 277 377 4
KIT
CW
477
2
2
4 276 376 10K WIRE FEEDER
H
VOLTMETER
E
1 1
5 275 375 F
N.A.
G
2 C
1
4
6 D
N
6 207 1 31 J
115 VAC
2 32
1 208 A
J7
209 3 32A
4 K
METER
42 VAC
3 210 4 41 I
P.C.
BOARD L
211 B GROUND
5
S2
2 212 M
VOLTS / AMPS N.A.
WIRE
(SHOWN IN "VOLTS" POSITION) CUSTOMER
FEEDER
CONNECTIONS
RECEPTACLE
(COMPONENT SIDE OF P. C. BOARD)
8 PIN 10 PIN
6 PIN
J4 J2 J3
J7 J5
C1-C4 31,000 MFD
N.A. SWITCH & POTENTIOMETER WIRING
VIEWED FROM REAR OF SWITCH.
N.B. TAP LEADS A, B, AND C APPEAR ON TOP
PRIMARIES FOR 208/230/460 MACHINE ONLY.
IDEALARC CV-300
G-4