Electrical diagrams – Lincoln Electric IDEALARC CV-300 User Manual
Page 91
G-4
IDEALARC CV-300
IDEALARC CV-300
ELECTRICAL DIAGRAMS
G-4
WIRING DIAGRAM FOR CODE 9520, 9486
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.
CONNECTOR CAVITY NUMBERING SEQUENCE
(COMPONENT SIDE OF P. C. BOARD)
ELECTRICAL SYMBOLS
PER E1537
R2 10K
CW
+
-
L1
SECONDARY
THERMOSTAT
222
223
224
D4
C1
C2
C3
C4
+
+
+
+
R1
32
33
C1-C4 31,000 MFD
SCR2
D2
D5
222
204A
204D
CONTROL
P. C. BOARD
221
6 PIN
4 PIN
8 PIN
SNUBBER/BYPASS
P.C. BOARD
224
224A
224A
10A
CIRCUIT
BREAKER
CB1
L1 CHOKE
2
42V
12V
12V
66V
-
204C
204D
204C
277
276
275
377
376
375
B
I
K
A
J
C
D
213
214
213
214
206
201
202
203
207
211
212
31
32
32A
41
2
4
41
31A
33A
10 PIN
S2
M
L
N
G
F
E
H
VOLTMETER
CUSTOMER
CONNECTIONS
WIRE FEEDER
115 VAC
42 VAC
GROUND
WIRE
FEEDER
RECEPTACLE
1
1
2
2
3
3
4
4
32A
31
O1
O3
O2
O1
205
WIRE FEEDER
VOLTMETER SWITCH
S3
FAN
*
TO A SYSTEM GROUND PER
NAT
CODE
IONAL ELECTRICAL
3
1
SCR3
D3
SCR1
D1
8
2
3
4
1
7
6
5
213A
213A
OUTPUT
CONTROL
208
209
210
1
2
3
4
J7
METER
P.C.
BOARD
VOLTS / AMPS
215
1
5
7
3
2
9
8
10
6
4
2
5
3
4
1
6
6
1
5
4
7
3
8
G1
204A
G3
G2
3
1
2
4
J1
J3
J2
J4
1
2
3
4
475
476
477
21
P9
TO
OPTIONAL
POWER
SOURCE
REMOTE
KIT
N.A.
N.A.
N.A.
J8A
P8A
N.A. SWITCH & POTENTIOMETER WIRING
VIEWED FROM REAR OF SWITCH.
J1
J4
J7
J2
J5
J3
200
J5
J5
223
221
G3
G2
G1
214A
1
2
218
219
400 A. 50mV
SHUNT
J10
2 PIN
J10
224B
224B
224B
213B
213B
213B
NC
(SHOWN IN "VOLTS" POSITION)
7.5 OHM
220 W
214B
214B
214B
10
D
2
B
A
5
8
3
C
12
C
B
A
D
1
7
4
5
8
2
E
F
3
9
6
MAIN
TRANSFORMER
C
B
A
D
1
7
4
5
8
2
E
F
3
9
6
1
4
7
6
9
RECONNECT PANEL
*
E
F
S1
LINE
SWITCH
S1
LINE
SWITCH
ˇ˜ 7/64 @7
INPUT SUPPLY
LINES
1
2
3
L3
L2
L1
L3
L2
L1
N.B.
11
RECONNECT
PANEL
S1
LINE
SWITCH
RECONNECT
PANEL
1
2
3
TO
S1
LINE
SWITCH
1
2
3
TO
RECONNECT
PANEL
S1
LINE
SWITCH
1
2
3
TO
1
2
3
4
5
6
7
8
9
RECONNECT PANEL
1
2
3
TO S1 LINE SWITCH
RECONNECT PANEL
TO S1 LINE SWITCH
1
2
3
D
4
E
5
F
6
7
8
9
7
8
9
4
5
6
RECONNECT PANEL
TO S1 LINE SWITCH
9
4
5
6
7
8
1
2
3
1
2
3
1
2
3
1
2
3
8236
12-20-90H
CV-300
WIRING DIAGRAM (60 HZ)
DG/BS
NONE
8236
F.V.
3-2-90
L7970
THE LINCOLN ELECTRIC CO.
CLEVELAND, OHIO U.S.A.
EQUIP.
TYPE
SCALE
SUBJECT
DR
DATE
CHK
REF.
SUP'S'D'G
SHT.
NO.
L
L
208/230/460 INPUT VOLTAGES
208V
230V
460V
230V
460V
575V
C
B
A
D
E
F
D
E
F
D
E
F
N.B. TAP LEADS A, B, AND C APPEAR ON TOP
PRIMARIES FOR 208/230/460 MACHINE ONLY.
230/460/575 INPUT VOLTAGES