Initial Dropout Of Utility Source Voltage - Generac Power Systems 10 kW LP Repair Manual

sEctioN 4.2
oPEratioNal aNalYsis
Refer to Figure 2, below. Should a "Utility" power source failure occur, circuit condition may be briefly described
as follows:
• The circuit board constantly senses for an acceptable "Utility" source voltage, via transfer switch fuses F1/F2,
transfer switch UTILITY 1 and UTILITY 2 terminals, connected wiring, control panel UTILITY 1 and UTILITY 2
terminals, and Wires N1/N2.
BA
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initial dropout oF utility Source VoltaGe

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