Guardian Technologies 4582 & 4987 Portable Generator User Manual


 
Section 4
ENGINE DC CONTROL SYSTEM
Page 27
VOLTAGE
ELECTRONIC
REGULATOR
11S
162
0
6
44S
4
6
5
4
3
2
1
BCR2
77A
15
66A
564
1012
SSR
9
RESET
RESET
TEST
TEST
18
IM2
SP2
IM1
SP1
PRINTED CIRCUIT
BOARD
CONTROL
12 1011 9 278 6 45 3
J2
1
J1
15B
83
TR1
0
167
TR2
86
229
44S
11S
ACTUATOR
GOVERNOR
0 0 44C2211C22
C.B.
0000
222222
44D11D44B
11B
11B
0
11A44A
22
20A
C.B.
20A30A
C.B.
30A
C.B.
30A
C.B.
50A
C.B.
30A
C.B.
FIELD
0
167
SW1
BATTERY CHARGE WINDING
55A
10A BATTERY CHARGE WINDING
77
55
11S
112244
44S
66
77A 66A
62 4 0
C1-12C1-11C1-7C1-6C1-1
C1-2
C1-4
C1-9
C1-8
C1-10
C1-5
C1-3
77
66
BCR1
13A
CB2
83
167
229
15B
0
86
SW2
FSS
LOP
0
15
17
0
17
15
0
0
86
14
C2-8
C2-3
C2-4
C2-10
C2-5
C2-7
C2-1
C2-2
15
C2-12
0
0
16
SC
BATTERY
BLACK
RED
SC
SM
12V
CB1
15A 0
C2-6
C2-11
C2-9
13
13
F1
SCR
22914
15B
18
0
15
15 15
0
0
0
167
15
15
86
0
14
17
18
13
13
16
14
14
14
14
86
13
15
15
1515
15
15
15
15
14
18 18
167167
8686
4
4
162
11S
44S
22
11
0
44
11
0
22
44
11
0
22
44
11
0
22
4444
77A
77
66A
66
77
0
2
2
2
6
6
6
11S 4 044S
RED
BLK
BLK
83 0
0
00
0
229
15B
15
15
15
0
17
17
4
SCR - STARTER CONTACTOR RELAY
SW1 - START-RUN-STOP SWITCH
SSR - START / STOP RELAY
SP2 - SPARK PLUG, CYL. 2
SP1 - SPARK PLUG, CYL. 1
SM - STARTER MOTOR
SC - STARTER CONTACTOR
R1 - 25 OHM, 25W RESISTOR
IM2 - IGNITION MODULE, CYL. 2
FSS - FUEL SHUT OFF SOLENOID
CB1 - 10AMP AUTO RESET BREAKER
LOP - LOW OIL PRESSURE
IM1 - IGNITION MODULE, CYL. 1
GND - GROUND BAR
F1 - 10A FUSE
D2, D3 - ENGINE SHUTDOWN DIODE
BA - BRUSH ASSEMBLY
LEGEND
120/240V
50A
TWISTLOK TWISTLOK
120V/30A
TWISTLOK
120V/30A
DUPLEX
120V 120V
GFCI
30A
120/240V
POWER WINDING
DPE WINDING
I.C.T.
I.C.T.
I.C.
R1D1
TB1
TB2
D2
D3
12Vdc
BA
CB2 - 5AMP AUTO RESET BREAKER
D1 - 600V 12A DIODE
BCR2 - BATTERY CHARGE RECTIFIER
BCR1 - BATTERY CHARGE RECTIFIER, 10A
I.C.T. - IDLE CONTROL TRANSFORMER
SW2 - IDLE CONTROL SWITCH
TB1, TB2 - TERMINAL BLOCK
13
14
13
= 12 VDC SUPPLY
= 12 VDC CONTROL
= AC POWER
= GROUND
FAULT SHUTDOWN:
With the generator running if the Low Oil Pressure (LOP) closes Wire 86 will be connected to Wire 0 frame
ground. Printed Circuit Board action will open Wire 229 from ground; this action will de-energize the Start-Stop
Relay (SSR). This action will cause a shutdown as described on Page 26.