Part 4, Description and components – Generac Power Systems 8 kW LP User Manual
Page 102
Page 100
J2
J3
(STEPPER MOTOR)
REMOTE WIRELESS CONNECTION
J1
J2 CONNECTOR
(HARNESS END)
10 11 12 13 14 15 16 17 18
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
1
2
3
4
5
6
7
8
9
J1 CONNECTOR
(HARNESS END)
J2 CONNECTOR
(PCB END)
J1 CONNECTOR
(PCB END)
N1/N2 CONNECTOR
(HARNESS END)
N1/N2 CONNECTOR
(PCB END)
1
2
PiN
WirE
circuit fuNctioN
J1-1
85
High temperature shutdown:
Shutdown occurs when Wire 85 is
grounded by contact closure in HTO
J1-2
86
Low oil pressure shutdown: Shutdown
occurs when Wire 86 is grounded by
loss of oil pressure to the LOP
J1-3
13
12 VDC source voltage for the circuit
board
J1-4
18
Ignition Shutdown: Circuit board
action grounds Wire 18 for ignition
shutdown.
J2-1
INTERNAL USE ONLY
J2-2
INTERNAL USE ONLY
J2-3
14
12 VDC output for engine run condi-
tion. Used for fuel solenoid and choke
solenoid operation.
J2-4
817
Grounded by printed circuit board to
turn on System Ready (Green) LED.
J2-5
23
Switched to ground for transfer relay
operation
J2-6
NOT USED
J2-7
NOT USED
PiN
WirE
circuit fuNctioN
J2-8
15B
Provides an electrical connection for
charge current to reach the battery
from the battery charger. Provides 12
VDC to the Transfer Relay
J2-9
820
Positive voltage (+5 VDC) for status
LEDs.
J2-10
0
Common Ground
J2-11
56
12 VDC output to starter contactor
relay for V-Twin engines
J2-12
NOT USED
J2-13
818
Grounded by board to turn on the
Alarm (Red) LED.
J2-14
NOT USED
J2-15
90
Switched to ground for choke sole-
noid operation
J2-16
INTERNAL USE ONLY
J2-17
NOT USED
J2-18
NOT USED
J3
Control wires for Stepper Motor
Wired Plug-1
N1
240 VAC sensing for control board.
Wired Plug-2
N2
240 VAC sensing for control board.
12/14 kW J1 connector Pin Descriptions
Figure 6. 12/14 kW Printed Circuit Board and J1 Connector
Part 4
DC CONTROL
sEctioN 4.1
DEscriPtioN aND comPoNENts