Generac Power Systems GUARDIAN 04137-0 - Manual (Page 12)

OPERATION
-On
Section 2 - Operation
Guardian Liquid-cooled 8 kW Generators
2.6 ENGINE HEATER
Your Generac standby generator comes equipped
with a block heater (Figure 2.2) that is similar to
the block hea.ters used in automotive applications.
Figure 2.2 - Engine Block Heater
Refer to applicable wring diagram(s) and electrical
schematic(s) at the back of this manual for wiring
connections.
2.7- WEEKLY EXERCISE CYCLE
The generator wll start and exercise once ever/
seven days. During this weekly exercise, the unit
runs for approximately 20 minutes and shuts
dotvn. Transfer of loads to generator oucput does
not occur during the exercise unless power is lost
during the exercise period.
To select the day of the tveek and time of day for
exercising, proceed as follov/s:
« Set the Auto/Off/Manual switch to OFF.
« Set generator's main circuit breaker to its OFF (or
open) position.
» Locate 'the rocker swatch on the control panel
identified wdtli the wnrds “Set Exercise Time”
(Figure 2.3).
» Push “Set Exercise Time” swdtch to the ON posi­
tion for 20 to 30 seconds and dien release. The
swdtch will spring back into its original positLo.n
wdien released.
» Wait 30 seconds before setting the Auto/Off/
Manual swdtch to the AUTO position.
NOTE;
The unit -will exercise 20 minutes after it is set.
Example: Set - Noon; Exercise - 12:20 p.m.
-A
CAUTION
A-
A If you switch the Auto/Off/Manual switch too
soon, the engine may start. If engine does
start, it will shut down automatically in about
two (2) minutes.
® Set the generator's main circuit breaker to its ON
(or closed) position.
• The generator is now programmed to start and
exercise eveiy seven days thereafter, on the day
and at the time of day the swdtch was activched.
0
Place a sign on tlie generator’s control panel and
on the transfer sv/itch that indicates the day and
time the generator tvill be exercising.
NOTE:
If the battery terminals are disconnected or the
control
panel fuse is removed, the exercise
timer needs to be reset for automatic exercise
operation.
Figure 2.3 - "Set Exercise" Switch on Control Panel
MANUAL
2.8 OPTIONAL GTS TRANSFER SWITCH
This generator can be installed in conjunction wdth
a Generac GTS-type automatic transfer switch, if
desired.
The standard ATS-type transfer swdtch has no
sensing or controlling circuit boards. Instead, the
generator control console houses a control module
assembly (CfVLA), which controls all phases of oper­
ation, including engine start-up and load transfer.