Guardian 4389 Repair Manual page 140

SCHEMATIC, 12 & 15 KW HOME STANDBY
MODELS 4456-1, 4456-2, 4390-1, 4390-2
11
11
22
4
ELECTRONIC C2-10
VOLTAGE 4
REGULATOR 0
6
162
CB2
C2-8
DIAGRAM KEY
BA - BRUSH ASSEMBLY
BCR - BATTERY CHARGE RELAY
CB1 - CIRCUIT BREAKER, MAIN OUTPUT
CB2 - CIRCUIT BREAKER, ALT. EXCITATION
D - DIODE
FS - FUEL SOLENOID
F1 - FUSE 15 AMP
F2 - FUSE 5 AMP
HTO - HIGH OIL TEMPERATURE SWITCH
IM1 - IGNITION MODULE, CYLINDER #1
IM2 - IGNITION MODULE, CYLINDER #2
LOP - LOW OIL PRESSURE SWITCH
SC - STARTER CONTACTER
SCR - STARTER CONTACTOR RELAY
SP1, SP2 - SPARK PLUGS
SW1 - AUTO / OFF / MANUAL SWITCH
SW2 - SET EXERCISE SWITCH
SM - STARTER MOTOR
TX - TRANSFORMER, 16 Vac 56 VA & 16 Vac 1 VA (DUAL SEC.)
REVISION: F-7994-B
DATE: 09/11/02
Page 138
11
3
2
1
BATTERY
CHARGER
13A
2
1
0
13A
C2-1
77
BATTERY CHARGE
WINDING
0
22
C2-11 0
BA
0
FIELD
0
C2-9
0
C1-6
6
0
C2-7
2
(STATOR)
22
225A
224A
225B
224B
9
BCR
6 3 4
77
66
66
C2-2
0
55
ENGINE RUN
SW2
WINDING C1-4
(STATOR)
C2-3
4
66A
85
351
1
CONTROL
PRINTED CIRCUIT
BOARD
PART 7
ELECTRICAL DATA
DRAWING #0D8501-B (1 OF 2)
F2
13A 13
F1
0
14
0
LOP
14
C1-3
86
4
225
224
66A
5
23
1
J1
194
3 23
5
56
18
66A
9
239
15A
17
11
13 0
15 224
17
SCHEMATIC - DIAGRAM
DRAWING #: 0D8501
GROUP G
225A
224A
225
224
13
15
0
15
23
194
14
15A
239
66A