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F-1
DIAGRAMS
F-1
CV-305
12
34
1 3
4
6
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
1
4
8
SNUBBER/BYPASS
P.C. BOARD
5
224
224A
10A
CIRCUIT
BREAKER
CB1
L1 CHOKE
2
42V
12V
12V
-
204C
204D
204C
277
276
275
B
A
J
C
D
206
207
211
212
31
32
2
4
1
10 PIN
5
6
10
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
215
5
7
3
2
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
***
214A
1
2
400 A. 50mV
SHUNT
J10
1
2
2 PIN
J10
224B
224B
224B
(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
8
6
10
9
***
200
203
201
s
s
58V
58V
O2 TOP
O1 TOP
O1 TOP
O3 TOP
O3 BOT.
VOLTMETER
SWITCH
76
77
75
77
76
277
276
S4
(SHOWN IN LOCAL POSITION)
LOCAL/REMOTE SWITCH
R2
10K
CW
376
77
377
376
377
N.A. WIRING VIEWED FROM REAR OF POTENTIOMETER
2
4
2
+
-
2
L2
INPUT SUPPLY
LINES
S1
LINE
SWITCH
*
RECONNECT
PANEL
11
E
8
5
2
V
N.B.
B
UW
L1 L3
*
*
*
3
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
A
.
0
4
5
8
2
E
A
C
3
9
6
1
7
4
FD
B
5
8
2
E
A
C
3
9
6
1
7
4
FD
B
5
8
2
E
A
C
3
9
6
1
7
4
FD
2
E
5
8
31
F
D
6
4
9
7
2
E
5
8
31
F
D
6
4
9
7
2
E
5
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.
WIRING DIAGRAM CV-305 (60Hz)
TO A SYSTEM GROUND PER
NATIONAL ELECTRICAL CODE.
*
L12393
A.04
{{
{
{
{
POWER FACTOR
ENHANCEMENT
CHOKE
172
171
173
42B
L3
L4
L2
172
173
171
204A
202
200
203
201
219
218
218
219
WHITE
WHITE
RED
RED
L5
L6
320VAC
320VAC
.05uf
600V
.05uf
600V
206
205
202
275
4
213B
213B
213B
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. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number.