Generac Power Systems IM Series User Manual

Page 10

Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".

Advertising
background image

3. Starter Contactor (SC) de-energizes and its contacts
open to effect the following

a. Starter Motor (SM) de-enerizes and cranking
ends.
b. Carburetor choking terminates.
c. Field Boost ends.
d. Power to the Wire 14 circuit through the Choke

Module ends.

4. Control Relay (CR2) de-energizes and its normally-
closed contacts close. However, the ignition circuit to
ground is held open by Low Oil Pressure Switch (LOP)

action and engine ignition continues.

5. Stator Battery Charge Winding (rectified) output is
delivered to the generator battery.

Circuit Condition- Normal Shutdown

D

Closure of the Start/Stop Switch (SW1) to its STOP

position grounds the engine ignition circuit, ignition ter­
minates and the engine shuts down. As engine speed

decreases. Low Oil Pressure Switch (LOP) closure main­
tains the ignition ground condition.

Advertising