PAGE 50 — DCA220SSJU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (02/10/17)
GENERATOR WIRING DIAGRAM
2
1
CN1
CN2
CN3
A J C
D
K
B
k
U V W
P1 P2
3
1 2 3 4
1 2 3
CN4
1 3
1 2
AVR CONNECTOR
(VIEW FROM INSERTING
WIRE SIDE)
X
Y
Z
O
U
U
1
2
V
V
2
1
W
W
2
1
1
W
U
1
V
1
X
Y
Z
U
2
V
2
W
2
O
Voltage Change-Over
Board-240V Set
Voltage Change-Over
Board-480V Set
CONTROL BOX
CONTROL PANEL
B
L
G
V
P
R
W
Y
O
BR
GR
LB
LG
COLOR CODE
WIRE COLOR
BLACK
BLUE
BROWN
GREEN
GRAY
VIOLET
PINK
ORANGE
LIGHT GREEN
LIGHT BLUE
YELLOW
WHITE
RED
WIRE COLOR
CIRCUIT
BREAKER
SIDE
C1
1 2
C2
C2
2 1
C1
CB1 CONNECTOR
(VIEW FROM INSERTING
WIRE SIDE)
W1
3 2
CONNECTOR
(VIEW FROM INSERTING
WIRE SIDE)
U1
U2
W2
V1
1
3
1
W1
1 2 3
U1
U2
W2
V1
1
3
CONTROL
BOX
SIDE
CONTROL
PANEL
SIDE
T1 S1 R1
3 2 1
R1 S1 T1
1 2 3
COT. B
COT. B
Ar
Fg
Ex Ar
SYMBOL
DESIGNATION
ARMATURE WINDING
MAIN GENERATOR FIELD WINDING
EXCITER ARMATURE WINDING
EXCITER FIELD WINDING
CT1~3
CURRENT TRANSFORMER 750/5A
CB1
CIRCUIT BREAKER 600 AMPS
OC
OVER CURRENT RELAY
AMMETER CHANGE-OVER SWITCH
AS
COT. B
VOLTAGE CHANGE-OVER BOARD
Ex Fg
RECTIFIER
Re
AUTOMATIC VOLTAGE REGULATOR
AVR
VOLTAGE REGULATING RHEOSTAT
VR
SYMBOL
DESIGNATION
A~
AC AMMETER 0~750, 1,500A
VS
AC VOLTMETER 0~600V
VOLTMETER CHANGE-OVER SWITCH
V~
FREQUENCY METER 45~65 Hz
F
AUX. CIRCUIT BREAKER 20A
CB2~3
AUX. CIRCUIT BREAKER 50A
CB4~6
CON2~3
RECEPTACLE CS-6369 50A, 120/240V
CON3~5
RECEPTACLE 520R GFCI 20A, 125V
