Electrical Schematic 17.5 Kw Units - Drawing No. 0G0733 - Generac Power Systems 4451 & 4986 Repair Manual

Ultra source portable generator
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section 8
electRical Data
electrical schematic 17.5 kW – Drawing no. 0g0733
BATTERY CHARGE WINDING
77A
55A
C1-5
C1-3
10A BATTERY CHARGE WINDING
77
55
C1-10
C1-8
77
77A
ELECTRONIC
VOLTAGE
REGULATOR
86
15B
167
0
229
83
TB2
TB1
0
229
83
86
15B
167
15B
83
TR1
0
167
TR2
86
229
120V
GFCI
RESET
TEST
RESET
TEST
44C
0
22
11C
C.B.
20A
Page 82
POWER WINDING
66A
11S
11
C1-4
C1-1
C1-2
RED
66
C1-9
66A
66
11S
I.C.T.
BLK
11
66
77
77
BCR1
BLK
BLK
11S
22S
4
0
6
162
86
0
15B
229
167
83
BLK
BLK
15
229
0
11S
15B
15
22S
12
10 9
4
6
5
22S
18
14
11S
15B
11S
22S
18
1
C2-1
CONTROL
2
PRINTED CIRCUIT
3
BOARD
4
5
6
7
8
9
22S
GOVERNOR
10
ACTUATOR
J1
11S
11
J2
12
120V
DUPLEX
22
120V/30A
TWISTLOK
0
22
44D
0
C.B.
C.B.
20A
30A
11
22
0
44
LEGEND
BA - BRUSH ASSEMBLY
BCR1 - BATTERY CHARGE RECTIFIER, 10A
BCR2 - BATTERY CHARGE RECTIFIER
CB1 - 10AMP AUTO RESET BREAKER
CB2 - 6AMP AUTO RESET BREAKER
D1 - 600V 12A DIODE
D2, D3 - ENGINE SHUTDOWN DIODE
F1 - 10A FUSE
DPE WINDING
22S
44
2
C1-6
22
I.C.
I.C.T.
22S
22
2
66A
15
77A
BCR2
13A
15A
CB1
22S
15
4
0
6
162
2
CB2
86
0
167
83
0
SW2
15
15
15
4
13
D1
SSR
15
14
229
R1
SCR
14
15
0
D2
17
15
14
167
IM1
SP1
D3
IM2
SP2
22
22
11B
120/240V
120V/30A
30A
TWISTLOK
TWISTLOK
11D
0
44B
0
C.B.
C.B.
30A
30A
11
22
0
44
FSS - FUEL SHUT OFF SOLENOID
GND - GROUND BAR
I.C.T. - IDLE CONTROL TRANSFORMER
IM1 - IGNITION MODULE, CYL. 1
IM2 - IGNITION MODULE, CYL. 2
LOP - LOW OIL PRESSURE
R1 - 25 OHM, 25W RESISTOR
SC - STARTER CONTACTOR
BA
FIELD
6
4
C1-7
C1-11
6
4
44
22
0
11
0
12Vdc
0
4
C2-5
LOP
86
86
0
0
C2-12
0
0
0
0
C2-6
F1
13
RED
13
SC
BATTERY
C2-11
12V
SM
13
13
C2-9
BLACK
16
SC
16
C2-8
17
17
0
C2-3
0
17
0
0
SW1
C2-4
167
167
C2-10
15
15
15
C2-2
15
15
C2-7
14
14
0
FSS
0
120/240V
50A/60A
11B
11A
44A
22
C.B.
C.B.
30A
50A/60A
11
22
0
44
SCR - STARTER CONTACTOR RELAY
SM - STARTER MOTOR
SP1 - SPARK PLUG, CYL. 1
SP2 - SPARK PLUG, CYL. 2
SSR - START / STOP RELAY
SW1 - START-RUN-STOP RELAY
SW2 - IDLE CONTROL SWITCH
TB1, TB2 - TERMINAL BLOCK
0
C1-12
0
0

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