Cranking; Cold Smart Start; Load Transfer; Shutting Generator Down While Under Load Or During A Utility Outage - Generac Power Systems 7.5 kW PowerPact Owner's Manual

not elapsed), the control panel will complete the start
cycle and run the generator through its normal cool down
cycle, however, the load will remain on the utility source.

Cranking

The system will control cyclic cranking cycles as follows:
16 seconds crank, seven seconds rest, 16 seconds
crank, seven seconds rest, followed by three additional
cycles of seven seconds cranks followed by seven sec-
onds rest. An alarm will be triggered if the generator does
not start after five attempts.

Cold Smart Start

Cold Smart Start allows generator to monitor ambient
temperature. The warm-up delay will be adjusted based
on prevailing conditions.
On a startup in AUTO mode, if ambient temperature is
below a fixed temperature (based on model), generator
will warm up for 30 seconds. This allows the engine to
warm before a load is applied. If ambient temperature is
at or above the fixed temperature, generator will start up
with the normal warm-up delay of six seconds.

Load Transfer

The transfer of load when the generator is running is
dependent upon operating mode.
Shutting Generator Down While
Under Load or During a Utility Outage
DANGER
Automatic start-up. Disconnect utility power and
render unit inoperable before working on unit.
Failure to do so will result in death or serious injury.
IMPORTANT NOTE: To avoid equipment damage,
follow these steps, in order, during utility outages.
Shutdowns may be required during utility outages to
perform routine maintenance or to conserve fuel.
To turn generator OFF:
1. Set utility MLCB to OFF (OPEN).
2. Set generator MLCB (generator disconnect) to
OFF (OPEN).
3. Allow generator to run for cool-down for approxi-
mately one minute.
4. Set generator to OFF at the controller.
5. Remove 7.5A fuse from controller.
To turn generator back ON:
1. Install 7.5A fuse in controller.
2. Verify generator MLCB (generator disconnect) is
OFF (OPEN).
3. Set generator to AUTO mode at the controller.
Owner's Manual for 7.5 kW PowerPact™
4. Generator will start and run. Allow generator to run
and warm up for a few minutes.
5. Set generator MLCB (generator disconnect) to ON
(CLOSED).
6. Set utility MLCB to ON (CLOSED).
The system now operates in automatic mode.
Generator Emergency Shutdown
Switch
Equipment Damage. The emergency shutdown
switch is not to be used to power down the unit
under normal operating circumstances. Doing so
will result in equipment damage.
All generators are provided with an external means to
shut down the generator which complies with the 2017
NEC code requirement. The primary generator shutdown
sequence is described in
While Under Load or During a Utility
See Figure
located on the exterior of the generator back panel. This
emergency shutdown switch shuts down the generator
and disables restarts.
(000191)
Figure 3-5. Emergency Shutdown Switch
NOTE: Whenever possible, perform primary shutdown
procedure before disabling generator with emergency
shutdown switch.
NOTE: If emergency shutdown switch is OPEN (O), gen-
erator will not start. The controller displays a High Tem-
perature alarm and the High Temperature LED on the
controller flashes until the switch is closed (I). Once the
switch is closed (I), the generator will return to either
AUTO or OFF mode.
NOTE: The controller displays the same alarm message
for either a High Temperature Alarm or an open emer-
gency shutdown switch.
CAUTION
Shutting Generator Down
3-5. An emergency shutdown switch is
Operation
(000399a)
Outage.
005570
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