Kohler 48RCL, 38RCL, 60RCL Controller Keypad LED Indicators, Button Function, LED Operation

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3.2.1 Controller Keypad

3.2.2 LED Indicators

The Run, Off, and Auto buttons control the generator set as described in Figure 3-2. Use the Select, Up arrow, and Down arrow buttons to navigate through the menus and change settings, if necessary. See Section 2.4 for operation instructions.

LEDs above the RUN, OFF, and AUTO buttons indicate the mode of operation as shown in Figure 3-2.

The RDC2 controller also has a set of power system LEDs below the pushbuttons. The power system LEDs indicate which power sources are available and which source is supplying power to the building (based on the position of the Model RXT transfer switch). See Figure 3-1.

Note: The power system LEDs operate only if a Model RXT transfer switch is connected. They will not operate if a Model RDT or RSB transfer switch is used.

Button

RUN

OFF

AUTO

Down arrow

Select

Up arrow

Button Function

Starts the generator set. The engine start time delay is ignored.

Stops the generator set. The cooldown time delay is ignored.

During the engine crank cycle, pressing OFF will stop the crank cycle.

Press OFF to clear faults and reset the controller.

Places the generator set in Automatic (standby) mode.

Use to navigate through menus and change settings. This manual contains instructions to navigate the controller menus and adjust settings on the RDC2 controller.

Figure 3-2Pushbutton Operation

LED

RUN

OFF

AUTO

Utility Power Available *

Building on Utility Power *

Generator Power Available *

Building on Generator Power *

LED Operation

Lights when the generator set has been started locally by pressing the RUN button. Remote start and stop commands are ignored.

Lights for 2 seconds, then flashes every 2 seconds when the generator set and controller are off. Remote start/stop commands have no effect. The exercise cycle will not run.

In Auto mode, OFF LED flashes quickly to indicate a fault shutdown. Attention required. Identify and correct the fault condition before resetting the controller.

Lights when the generator is in automatic (standby) mode. Generator set will respond to engine start and stop commands from the controller (for example, exercise start and stop commands), an ATS, or OnCuer. Time delays operate as described in Section 2.4.

Lights when utility power is available.

Lights when the building load is connected to utility power through the RXT transfer switch.

Lights when generator power is available.

Lights when the building load is connected to generator power through the RXT transfer switch.

* These LEDs operate only if a Model RXT transfer switch is connected.

Figure 3-3RDC2 Controller LED Operation

28 Section 3 RDC2 Controller Operation

TP-6810 11/13

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Contents RDC2 TP-6810 11/13bAccessory Number Accessory Description Product Identification InformationController Identification Generator Set Identification NumbersTable of Contents Troubleshooting Scheduled MaintenanceAppendix a Abbreviations Safety Precautions and Instructions BatteryAccidental Starting Accidental starting Can cause severe injury or deathExhaust System Engine Backfire/Flash FireFuel System Hazardous noise Can cause hearing loss Hazardous NoiseHazardous voltage Will cause severe injury or death Hot Parts Heavy EquipmentHot coolant and steam Can cause severe injury or death Introduction NameplateList of Related Literature Literature Type Part NumberService Assistance Service Assistance TP-6810 11/13 Service Views NON-SERVICE Side260RCL Service Views Prestart Checklist Generator Set OperationOperating Area Keep the generator set area clear. Maintain at leastExercising the Generator Set Generator Set OperationAutomatic Operation with Model RDT or RSB Transfer Switches Unloaded Cycle Exercise with Complete System DiagnosticsSystem Diagnostics ExercisePower Failure During Exercise Exerciser ResetSetting the Exerciser at Power-up Unloaded Full-Speed ExerciseChanging the Exercise Setting Procedure to Change the Exercise Setting2RDC2 Main Menu 3Procedure to Set the Exerciser Faults Resetting the Controller after a Fault ShutdownATS Communication Errors Procedure to Reset the Controller after a Fault ShutdownFault Shutdown SD Condition Check 5Controller Fault Messages Model RXT Transfer Switch Operation Procedure to View Event HistorySetting Event LogTime Delays ATS Load Control Relay Time DelayATS Control Sequence of Operation Preferred Source FailsControls and Indicators RDC2 Controller OperationController Keypad LED Indicators ButtonButton Function LED OperationLCD Display Active AlertController Power Battery ChargingChanging Settings Procedure to Change SettingsChanging Settings on the RDC2 Controller 6Changing SettingsController Menus Main MenuOverview Menu Engine Metering MenuGenerator Metering Menu Voltage CalibrationGenerator Set Information Menu Genset Run Time MenuVoltage Regulator VR Voltage Adjust Setting the ExerciserAdjusting the Display Contrast Genset System MenuATS Status Menu 14ATS Status Menu, with CalibrationATS Configuration Menu Changing ATS Configuration SettingsDate and Time Menu Date and Time 02Dec2011 1234pm Time Format 12hr24hrNetworking Information Menus 17Networking Information MenuNetworking Status Submenu DhcpNetworking Configuration Submenu OnCue Password OnCue PasswordRbus Information Submenu 20RBUS Information SubmenuRemote Devices Submenu 21Remote Devices SubmenuProgrammable Interface Module PIM Menus Load Control Menus 23Load Control Status MenuScheduled Maintenance General MaintenanceService Schedule Every Operation DailyOil Specifications Lubrication SystemOil Check Oil AdditionsAir Cleaner Reset the maintenance timer on the RDC2Air Cleaner Service Procedure Check for leaksChecking and Filling Coolant Cooling SystemExhaust System Inspection Points Flushing and Cleaning Flushing and Cleaning ProcedureCooling System Inspection Draining Cooling SystemIgnition System Model Spark plug gap 38 RCL, 48RCL, and 60RCL511 Storage Procedure Scheduled Maintenance TP-6810 11/13 Troubleshooting Fault MessagesIntroduction USB PortGenerator Set Troubleshooting Problem Possible Cause Corrective ActionController Troubleshooting 2RDC2 Troubleshooting ChartTroubleshooting TP-6810 11/13 Appendix a Abbreviations AnsiLCB Page 2012, 2013 by Kohler Co. All rights reserved

38RCL, 48RCL, 60RCL specifications

The Kohler RCL series of generators, particularly the 60RCL, 48RCL, and 38RCL models, represents a premium choice for those seeking reliable power solutions for residential and light commercial applications. Each model is tailored to meet diverse power needs, ensuring uninterrupted electricity supply during outages.

The 60RCL is engineered for maximum performance, offering 60 kW of power. This model is ideal for larger homes or small businesses that require dependable backup power. Its powerful Kohler engine is designed to deliver a quiet, smooth performance, while the advanced sound-dampening features keep noise levels to a minimum. The 48RCL offers a slightly lower output at 48 kW, making it suitable for medium-sized homes. Its compact design allows for flexible installation options, whether it’s outdoors or in a utility area, while still providing robust power during critical times.

The 38RCL, while the smallest of the series with 38 kW output, is perfect for homes that need a reliable backup generator without the bulk. Its streamlined design does not compromise on performance, making it an excellent choice for energy-efficient homes. All models in the RCL series come equipped with Kohler's Command Pro commercial-grade engine, ensuring longevity and reliability even in the harshest conditions.

A standout feature of the RCL series is the integrated KOHLER® 2.4-inch color display, which allows users to monitor generator performance in real-time. This user-friendly interface provides vital information such as operational status, run time, and maintenance notifications. Additionally, the series is designed with automatic transfer switches that allow for seamless switching between utility and generator power.

Moreover, these generators incorporate advanced control systems with remote monitoring capabilities, enabling users to check the status of their power supply from a smartphone or tablet. Designed with efficiency in mind, the RCL series boasts a fuel-efficient operation that supports both natural gas and propane, catering to diverse energy preferences.

In summary, the Kohler 60RCL, 48RCL, and 38RCL generators combine high performance, advanced technology, and user-friendly features. They are reliable solutions for anyone looking to safeguard their power needs, ensuring peace of mind when it matters most.
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