Operating Guide

Operation
Owner’s Manual for 60 Hz Air-Cooled Generators 17
Auxiliary Shutdown Switch
All generators are equipped with an external means of
shutting down the generator which complies with the lat-
est NEC code requirement. Primary generator shutdown
sequence is described in Shutting Generator Down
While Under Load or During a Utility Outage.
See Figure 3-6. An auxiliary shutdown switch (A) is
located on the exterior of the generator back panel. This
auxiliary shutdown switch shuts down generator and dis-
ables restarts.
Figure 3-6. External Auxiliary Shutdown Switch
(all models)
NOTE: Whenever possible, perform primary shutdown
procedure before disabling generator with auxiliary shut-
down switch.
See Figure 3-7. 14–24 kW generators also have an aux-
iliary shutdown switch (A) located inside generator.
Figure 3-7. Internal Auxiliary Shutdown Switch
(14–24kW)
NOTE: Generator will not start if either switch is OPEN
(O). Controller displays an “Auxiliary Shutdown” alarm,
and red LED “Alarm” light illuminates. To clear this condi-
tion, set switch or switches to CLOSED (I). Clear alarm
by pressing OFF button, and then ENTER. The generator
can then be placed in AUTO or MANUAL.
Control Panel Interface
See Figure 3-8. The control panel interface (A) is located
under the enclosure lid. Verify both left and right side
locks are unlocked before attempting to lift lid of enclo-
sure. Open lid as directed in Opening the Lid.
Figure 3-8. Generator Control Panel
The 7.5A fuse is located beneath rubber cover (B) to the
right of the control panel.
Verify both left and right side locks are securely out of the
way before closing unit.
All appropriate panels must be in place during any opera-
tion of the generator. This includes operation by a servic-
ing technician while conducting troubleshooting pro-
cedures.
Using the AUTO/OFF/MANUAL
Buttons
NOTE: Damage caused by mis-wiring of interconnect
wires is not warrantable.
Equipment Damage. The auxiliary shutdown switch
is not to be used to power down the unit under
normal operating circumstances. Doing so will
result in equipment damage.
(000399)
CAUTION
005492
A
005491
A
Button Description of Operation
AUTO
Activates fully automatic system operation.
Allows unit to automatically start and exercise
generator according to exercise timer (see Set-
ting the Exercise Timer).
Green LED flashes when automatic transfer
switch converts to generator power during a
utility power outage.
OFF
Shuts down engine and prevents automatic
operation of unit.
MANUAL
Cranks and starts generator. Transfer to stand-
by power will not occur unless there is a utility
failure.
Blue LED flashes when automatic transfer
switch converts to generator power during a
utility power outage.
001798
A
B