Kohler Power Systems 14/20RESA User Manual download pdf (Page 32)

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.

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Kohler Power Systems 14/20RESA User Manual Page 32

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