Kohler RDC2 Controller, Battery Charger, and Manual for 14RESA and 20RESA
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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:

DThe controller has been replaced.

DThe voltage requires adjustment for a particular application.

DTroubleshooting 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 controller 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.

32 Section 3 RDC2 Controller Operation

TP-6804 12/11

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Contents TP-6804 12/11 ModelsControllers Product Identification Information Controller IdentificationGenerator Set Identification Numbers Engine IdentificationTable of Contents Networking Configuration Submenu OnCue Password Table of Contents TP-6804 12/11 Accidental Starting Safety Precautions and InstructionsBattery Engine Backfire/Flash Fire Exhaust SystemFuel System Hazardous Noise Hazardous Voltage/ Moving PartsHeavy Equipment Hot PartsIntroduction List of Related LiteratureNameplate Emission InformationService Assistance Service Assistance TP-6804 12/11 Descriptions and Service Views Transfer SwitchIntroduction Engine Generator Set EnclosureRDC2 Controller Features DC2 Controller Features Accessories Service Views Removed to Show DetailDescriptions and Service Views TP-6804 12/11 Prestart Checklist Generator Set OperationExercising the Generator Set Generator Set OperationAutomatic Operation with Model RXT Transfer Switch Automatic Operation with Model RDT or RSB Transfer SwitchesExercise Setting the ExerciserUnloaded Cycle Exercise with Complete System Diagnostics Faults Resetting the Controller after a Fault Shutdown Clearing a Fault on the RDC2 ControllerCheck communication wiring between Controller Fault Messages Generator Set Operation TP-6804 12/11 RDC2 Controller Operation RDC2 Generator Set/ Transfer Switch ControllerControls and Indicators Controller Keypad LED Indicators RUN OFF AutoAutopaging Displays, Automatic Mode LCD DisplayChanging Settings Controller PowerBattery Charging Changing Settings Changing the Exercise Settings Setting the ExerciserSetting the Exerciser at Controller Power--up Procedure to Set the Exerciser on the RDC2 Controller RDC2 Controller Menus Main MenuOverview Menu Engine Metering MenuGenerator Metering Menu 12 Generator Metering MenuGenerator Set Information Menu Genset Run Time MenuGenset System Menu 15 Genset System MenuATS Status Menu 16 ATS Status Menu, with CalibrationATS Configuration Menu 17 ATS Configuration MenuDate and Time Menu Networking Information MenusNetworking Status Submenu DhcpNetworking Configuration Submenu OnCue Password Reset OnCue Password? YesRbus Information RbusRemote Devices Submenu 23 Remote Devices SubmenuProgrammable Interface Module PIM Status Menu 24 Programmable Interface Module PIM Status MenuLoad Control Module LCM Menus 25 Load Control Module LCM Status MenuEvent Log 26 Event LogDC2 Generator Set/ Transfer Switch Controller DC2 Controller OperationDC2 Controller Pushbutton Operation Status Displays, Generator Running Exerciser Reset Exercise ModesMaintenance Timer OnCue PasswordDC2 Controller Operation TP-6804 12/11 Scheduled Maintenance Scheduled MaintenanceService Schedule, 14RESA/RESAL Models LubricationService Schedule, 20RESA/RESAL Models Oil Change Procedure Lubrication SystemEngine Oil Recommendation Low Oil Pressure ShutdownResetting the Maintenance Timer Oil Cooler 20RESA/RESALSpark Plugs Air Cleaner ServiceAir Cleaner, 14RESA/RESAL Models Air Cleaner, 20RESA/RESAL Models Cooling System EZ-273000-J Storage Procedure Troubleshooting Fault MessagesController Service Access IntroductionTroubleshooting General Troubleshooting ChartAppendix a Abbreviations AnsiLCB Page By Kohler Co. All rights reserved

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