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TP-6804 12/1132 Section 3 RDC2 Controller Operation
3.3 Controller Power
The RDC2 controller is powered by the generator set
engine starting battery and the built-in battery charger.
Note: To disconnect controller power, disconnect the
utility power to the generator set and disconnect
the battery .
If controller power is disconnected and reconnected,
you will be prompted to set the time, date, and exerciser.
The first setting will flash. Press the Up and Down arrow
buttons to change the setting. Press Select to save the
setting and move on to the next. Repeat until all settings
are saved and the controller returns to the main menu.
See Section 3.5 for more detailed instructions to change
settings on the RDC2. See Section 3.6 for more detailed
instructions to set the exerciser or change the exercise
settings.
3.4 Battery Charging
The controller includes a built-in battery charger to
maintain the engine starting battery. The RDC2
controller monitors the battery voltage and provides a
constant 14.0 ±2% VDC voltage and maximum 2.5
amps to charge the battery.
The installer must connect 120 VAC/60Hz utility power
provided from the building on a breaker-protected circuit
for the built-in battery charger.
3.5 Changing Settings
Some settings can be changed from the controller
keypad. The controller settings and generator set
output are factory-set and should not require field
adjustment under normal circumstances. Check and
adjust the settings and/or output when:
D The controller has been replaced.
D The voltage requires adjustment for a particular
application.
D Troubleshooting generator set problems.
Have controller setup and adjustment performed only by
an authorized Kohler distributor/dealer or authorized
representative.
The following procedure explains how to change
settings. See Figure 3-7 for an example using the Date
and Time settings.
Note: Use caution when navigating the controller
menus. In some menus, pressing the Select
button can enable editing of the c ontroller
settings. Changing the settings to incorrect
values can adversely affect generator set
operation or render the unit inoperable.
Procedure to Change Settings
1. Press the Select button to enter the main menu.
2. Press the down arrow button until the desired menu
is displayed. The Genset System menu is used for
this example. See Figure 3-9.
3. Press the Select button to enter the genset system
displays. See Figure 3-7.
4. Press the down arrow button to step through the
generator set system settings.
5. To change any of the genset system settings, press
the Select button. The selected setting flashes.
6. Press the up or down arrow buttons to increase or
decrease the setting.
7. When the desired setting is shown, press Select.
The value stops flashing. If there are additional
adjustable settings on the screen, the next setting
flashes. For example, in the date menu, the day,
month, and year can be adjusted.
8. Repeat steps 6 and 7 for each setting on the
screen.
9. Press the down arrow to step to the next screen.
10. To exit, press the down arrow button until Return is
displayed. Press the Select button to exit the
menu.
11. Press the AUTO or OFF button to exit the main
menu.
Note: If no buttons are pushed, the controller exits the
menus and returns to the generator set status
display after 5 minutes.