Controller Power; Battery Charging; Changing Settings - Kohler 14RCA Manual

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 language, 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.
controller monitors the battery voltage and provides a
constant 13.4 ±2% VDC voltage and maximum 2.5
amps to charge the battery.
The installer must connect utility power provided from
the building on a breaker-protected circuit for the built-in
battery charger as described in the generator
Installation Manual.

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:
The controller has been replaced.
D
The voltage requires adjustment for a particular
D
application.
Troubleshooting generator set problems.
D
Have controller setup and adjustment performed only by
an authorized distributor/dealer
representative.
32 Section 3 RDC2 Controller Operation
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
Procedure to Change Settings
1. Press the Select button to enter the main menu.
2. Press the down arrow button until the desired menu
3. Press the Select button to enter the genset system
4. Press the down arrow button to step through the
The RDC2
5. To change any of the genset system settings, press
6. Press the up or down arrow buttons to increase or
7. When the desired setting is shown, press Select.
8. Repeat steps 6 and 7 for each setting on the
9. Press the down arrow to step to the next screen.
10. To exit, press the down arrow button until Return is
11. Press the AUTO or OFF button to exit the main
Note: If no buttons are pushed, the controller exits the
or authorized
menus. In some menus, pressing the Select
button can enable editing of the controller
settings. Changing the settings to incorrect
values can adversely affect generator set
operation or render the unit inoperable.
is displayed. The Genset System menu is used for
this example. See Figure 3-9.
displays. See Figure 3-7.
generator set system settings.
the Select button. The selected setting flashes.
decrease the setting.
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.
screen.
displayed. Press the Select button to exit the
menu.
menu.
menus and returns to the generator set status
display after 5 minutes.
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