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GEN. WIRING DIAGRAM (DCA300SSJU4F2 M5814000603)
COT. B
X
U
U
2
1
Y
V
V
2
1
Z
W
W
2
1
O
Voltage Change-Over
Voltage Change-Over
Board-240V Set
1
2
3
1 2
3
A J C
CN1
CN2
U V W
B
K
D
1 2
3 2
1
CN4
T S R
CN3
1 3
1 2
3
CN5
R S T
VIEW FROM INSERTING
WIRE SIDE
1 2
C1
C2
CIRCUIT
2 1
C2
C1
BREAKER
SIDE
CB1 CONNECTOR
(VIEW FROM INSERTING
WIRE SIDE)
NOTICE:
IF MEASURE INSULATION RESISTANCE,
DISCONNECT CN6 AND CN9.
PAGE 74 — DCA300SSJU4F2/F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (04/18/22)
COT. B
CURRENT TRANSFORMERS (CT4 ~ 5)
X
U
REF. DES.
2
U
1
k
Y
V
l
2
V
1
K
Z
L
W
2
W
1
O
NOTE: EACH CABLE IS PASSED TWICE THROUGH
CURRENT TRANSFORMERS CT4~5
Board-480V Set
CN6
CN7
1
1
3
2
3
2
W1
V1
U1
21
19
17
CONTROL
S
R
U2
6
4
2
BOX
O
T
V2
SIDE
1
2
3
3
2
1
U1
V1
17
19
17
W1
CONTROL
U2
R
S
18
20
22
PANEL
V2
T
O
SIDE
CN10
CN9
CONNECTOR
(VIEW FROM INSERTING WIRE SIDE)
WIRE SIZE
100: 100 mm
80: 80 mm
38: 38 mm
22: 22 mm
5.5: 5.5 mm
2.0: 2.0 mm
WITH NO WIRE DESIGNATION USE 1.25
MARK AT CT
X1
NO MARK
H1
NO MARK
CN8
2
1
3 1
1
2
1 3
CN11
CODE/WIRE COLOR
2
B
BLACK
R
RED
2
L
BLUE
W
WHITE
2
BR
BROWN
Y
YELLOW
G
2
GREEN
LB
LIGHT BLUE
2
GR
GRAY
LG
LIGHT GREEN
V
VIOLET
2
O
ORANGE
P
PINK
mm
2
LEAD WITH DESIGNATED COLOR
DCA300SSJU4F2 GENERATOR
WIRING DIAGRAM (M5814000603)
SYMBOL
DESIGNATION
Ar
MAIN GENERATOR ARMATURE WINDING
Fg
MAIN GENERATOR FIELD WINDING
ExAr
EXCITER ARMATURE WINDING
ExFg
EXCITER FIELD WINDING
Re
RECTIFIER
AVR
AUTOMATIC VOLTAGE REGULATOR
VR
VOLTAGE REGULATOR (RHEOSTAT)
CT 1~3
CURRENT TRANSFORMER 500:5A
CT 4~5
CURRENT TRANSFORMER 500:5A
AS
CHANGE-OVER SWITCH,AMMETER
A
AC AMMETER 0~500, 1000A
~
V
AC VOLTMETER 0~600V
~
F
FREQUENCY METER 45~65 Hz
CB1
CIRCUIT BREAKER, 3P 800A
CB2~3
CIRCUIT BREAKER, 1P 20A
CB4~6
CIRCUIT BREAKER, 2P 50A
CON1~2
RECEPTACLE, GFCI, 125 VAC @ 20 AMPS X 2
CON3~ 5
RECEPTACLE, CS6369, 250 VAC@ 50 AMPS
OC
OVER CURRENT RELAY
COT. B
VOLTAGE CHANGE-OVER BOARD
AS
AC AMMETER CHANGE-OVER SWITCH
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