Engine Shutdown - Generac Power Systems 10 kW LP Repair Manual

sEctioN 4.2
oPEratioNal aNalYsis
Following retransfer back to the utility source, an "engine cool-down timer" on the circuit board starts timing. When
that timer has timed out (approximately one minute), circuit board action will de-energize the circuit board's run
relay. The following events will then occur:
• The DC circuit to Wire 14 and the fuel solenoids (FS1 & FS2) will be opened. The fuel solenoids will de-
energize and close to terminate the engine fuel supply.
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enGine ShutdoWn

POWER
WINDING
STATOR
6
2
POWER
WINDING
0
4
IM2 18
SP2
IM1
18
SP1
86
HTO
LOP
0
13
13
SCR
16
2
6
0
4
22
11
44
33
22
11
56
SCR
0
13
BATTERY
SC
SM
Part 4
DC CONTROL
2
6
0
VOLTAGE
0
REGULATOR
4
4
22
11
0
4
0
13
12V
0