Lincoln Electric IDEALARC CV-250 - Manual (Page 28)

F-1 DIAGRAMS F-1
CV-250
CONNECTOR CAVITY NUMBERING SEQUENCE
(COMPONENT SIDE OF P. C. BOARD)
ELECTRICAL SYMBOLS PER E1537
+ -
L1
SECONDARY THERMOSTAT
222 223 224
D4
C1 C2 C3 C4 + + + +
R1
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
-
204C
204D
204C
277 276 275
B A J C D
213 214
213
214
206
207
211 212
31 32
2 4
14 PIN
S2
M L N G F E H
VOLTMETER
CUSTOMER CONNECTIONS
WIRE
FEEDER
115 VAC 42 VAC GROUND
WIRE FEEDER
RECEPTACLE
205
WIRE FEEDER S3
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
1 5 9 3 2 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
21
N.A.
N.A.
J1
J4
J7
J2 J5
J3
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
s s
42A
42
41 42
I K
C1-C4 31,000 MFD EACH
MAIN TRANSFORMER
C
2
41A
41
s
FAN
33A 31A
32
33
CIRCUIT BREAKER
5A
CB2
115V
31B
31
31
10 8 12 11
202
200 203 201
s s 58V 58V
O2 TOP O1 TOP O1 TOP O3 TOP O3 BOT.
VOLTMETER SWITCH
76
77
75
277
276
S4
(SHOWN IN LOCAL POSITION) LOCAL/REMOTE SWITCH
R2
10K
CW
376
77
377
N.A. WIRING VIEWED FROM REAR OF POTENTIOMETER
2 4 2
2
NC
+
-
2 L2
INPUT SUPPLY LINES
S1 LINE SWITCH
*
RECONNECT PANEL
11
E 8 5 2
V
N.B.
B
UW L1
L3
13
3 C 9 6 F
12 10
1 A 4 7 D
RECONNECT PANEL
2
3 1
TO S1 LINE SWITCH
RECONNECT PANEL
RECONNECT PANEL
RECONNECT PANEL
RECONNECT PANEL
RECONNECT PANEL
208/230/460 INPUT VOLTAGES 230/460/575 INPUT VOLTAGES 208V
230V
460V
230V
460V
575V
2
3 1
TO S1 LINE SWITCH
2
3 1
TO S1 LINE SWITCH
2
3 1
TO S1 LINE SWITCH
2
3 1
TO S1 LINE SWITCH
2
3 1
TO S1 LINE SWITCH
B
5
8 2
E
A
C
3 9
6
1 7
4
F
D
B
5
8 2
E
A
C
3 9
6
1 7
4
F
D
B
5
8 2
E
A
C
3 9
6
1 7
4
F
D
2
E 5
8
8
31
F
D
6
4
9
7
2
E 5
8
8
31
F
D
6
4
9
7
2
E 5
8
8
31
F
D
6
4
9
7
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.
3-10-95H L9854
WIRING DIAGRAM CV 250 (60Hz)
TO A SYSTEM GROUND PER NATIONAL ELECTRICAL CODE.
*
6
NC
7
NC
13
NC
14
NC NC NC
76 77
377
376
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diag
ram for a particular code is pasted inside
the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. G
ive the equipment code number..