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TP-6905 6/1432 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
battery and the utility power to the generator set.
If controller power is disconnected and reconnected,
you willbe 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 untilall settings
are saved and the controller returns to the main menu.
SeeSection 3.5 formore detailed instructions tochange
settingson theRDC2. See Section 2.5 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
constant14 ±2% VDCvoltageandmaximum 2.5 amps
to charge the battery.
The installer must connect utility power provided from
the building (90--265 VAC, 50/60 Hz) on a
breaker-protected circuit for the built-in battery charger.
See the Installation Manual for instructions to connect
the utility power for the battery charger.
3.5 Changing Settings
Some settings can be changed from the controller
keypad.Thecontrollersettings andgeneratorsetoutput
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.
Havecontrollersetupandadjustmentperformedonlyby
an authorized Kohler distributor/dealer or authorized
representative.
The following procedure explains how to change
settings. See Figure 3-6 for an example using the Date
and Time settings.
Note: Use caution when navigating the controller
menus and changing the settings. In some
menus, pressing the Select button can enable
editing of the controller settings. Changing some
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. Pressthedownarrowbuttonuntilthedesiredmenu
is displayed. The Date and Time menu is used for
the example in Figure 3-6.
3. PresstheSelect buttonto enterthe selectedmenu.
SeeFigure3-6.
4. Press the down arrow button to step through the
parameters in the selected menu.
5. To change a setting, 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 year,
month, and day can be adjusted.
8. Repeat steps 5 through 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.PresstheSelectbutton toexitthemenu.
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.