Lincoln Electric IDEALARC CV-300 Service Manual page 89

G-2
RECONNECT
PANEL
C 6
B
9 8
3 2
A
F E
2 3
TO S1 LINE SWITCH
RECONNECT
PANEL
9 8
6
5
F E
3 2
2 3
TO S1 LINE SWITCH
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 CODES 10181, 10180, 9940, 9939
WIRING DIAGRAM CV-300 (60Hz)
RECONNECT
PANEL
INPUT SUPPLY
LINES
3
C
U V W
6
9
L1 L2 L3
N.B.
F
12
1 2 3
2
B
S1
5
LINE
8
SWITCH
E
11
1
*
A
4
7
D
10
*
TO A SYSTEM GROUND PER
NATIONAL ELECTRICAL CODE.
208/230/460 INPUT VOLTAGES
RECONNECT RECONNECT
208V 230V 460V
PANEL PANEL
4
5 4 C 6 5 C 6 5 4
B B
7 9 8 7 9 8 7
1 3 2 1 3 2 1
A A
D F E D F E D
1 2 3 1 2 3 1
TO S1 LINE SWITCH TO S1 LINE SWITCH
230/460/575 INPUT VOLTAGES
RECONNECT RECONNECT
230V 460V 575V
PANEL PANEL
9 8 9 8
7 7 7
4 6 4 6 4
5 5
D F E D F E D
1 3 2 1 3 2 1
1 2 3 1 2 3 1
TO S1 LINE SWITCH TO S1 LINE SWITCH
MAIN TRANSFORMER
ELECTRICAL DIAGRAMS
SNUBBER/BYPASS
8
204C
221 2
3 SCR3
223 204D
222 3
J5
223 4
7.5 OHM
1
220 W 224
D3 G3
R1 7
224A
SCR2
+
2
G2
D2 C1
222
+
C2 213B
+
204D
C3
204C +
C4
SCR1
204A
1 CONTROL
G1
221
D5 D4
P. C. BOARD
D1
J10
224 224B
G2 4
G3 2 J1
204A
1
G1 3
213B
4
s
202 8
J2
12V O2 TOP
9
203
s
200 6
12V
O1 TOP
31B
J3
201 10
2
s SECONDARY
215
41A 41
THERMOSTAT 3
205
7
42V O1 TOP
L1
206 5
42A 42
NC 1
CB1
J4
10A
CIRCUIT
s BREAKER
58V O3 TOP
33 32
CB2
33A 5A
CIRCUIT
BREAKER
FAN
115V
58V O3 BOT.
31A
31B 31
s
N.A. WIRING VIEWED FROM REAR OF POTENTIOMETER
N.B. TAP LEADS A, B, AND C APPEAR ON THE TOP PRIMARY COILS
OF 208/230/460V MACHINES ONLY.
CLEVELAND, OHIO U.S.A.
P.C. BOARD
6
213
J5
213
5 214
400 A. 50mV
SHUNT
- +
213A
213B
-
L1 CHOKE
218
214
-
224B 214B
213A
219
LOCAL/REMOTE SWITCH
(SHOWN IN LOCAL POSITION) 214A
376
S4
1
377
2 S3
277
21 WIRE FEEDER
VOLTMETER
276
77
SWITCH
76
214B
8
3 224B
377
277
7
376
N.A.
CW
276
4 77 77 WIRE FEEDER
H
10K
VOLTMETER
OUTPUT
76 E
2 NC
CONTROL
F
275 75 G
5
2 2 2 2 C C
1
4 4 D
6
N
6 207 1 31 J
115 VAC
1 2 32
208 A
J7
209 3 41
4 I
METER
42 VAC
3 210 4 42 K
P.C.
BOARD L
211 B GROUND
5
S2
212
2 M
VOLTS / AMPS N.A.
WIRE
(SHOWN IN "VOLTS" POSITION)
FEEDER
RECEPTACLE
ELECTRICAL SYMBOLS
CUSTOMER
PER E1537
CONNECTIONS
CONNECTOR CAVITY NUMBERING SEQUENCE
(COMPONENT SIDE OF P. C. BOARD)
2 PIN 4 PIN 8 PIN 10 PIN
6 PIN
J10 J1
J4 J2 J3
J7
J5
C1-C4 31,000 MFD EACH
6-18-93
L8927
IDEALARC CV-300
G-2