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TP-6810 11/1330 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 u tility power to the generator set.
If controller power is disconnected and reconnected,
you willbe prompted to setthe time, date,and exerciser.
The first settingwill flash. Press the Up and Down arrow
buttons to change the setting. Press Select to save the
setting and moveon to the next. Repeatuntil all settings
are saved and the controller returns to the main menu.
See Section3.5 formore detailed instructionsto change
settingson theRDC2. SeeSection 2.5for moredetailed
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±2% VDC voltage andmaximum 2.5amps
to charge the battery.
The installer must connect 120 VAC/60Hz utility power
providedfrom thebuilding ona breaker-protectedcircuit
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. 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.
Havecontroller setupand adjustmentperformedonlyby
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. Pressthedownarrow buttonuntilthedesired menu
is displayed. The Date and Time menu is used for
the example in Figure 3-6.
3. Pressthe Selectbutton to enterthe selected menu.
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. 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.