Kohler Operation Instructions and Maintenance for 38RCL Generator
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Introduction

This manual provides operation instructions for Model 38RCL, 48RCL, and 60RCL residential/light commercial generator sets equipped with the RDC2 generator set/transfer switch controller.

This generator set is approved for use in stationary applications in locations served by a reliable utility power source. Have the generator set installed by an authorized Kohler distributor/dealer or service technician. Refer to the Installation Manual for installation instructions.

Information in this publication represents data available at the time of print. Kohler Co. reserves the right to change this publication and the products represented without notice and without any obligation or liability whatsoever.

Read this manual and carefully follow all procedures and safety precautions to ensure proper equipment operation and to avoid bodily injury. Read and follow the Safety Precautions and Instructions section at the beginning of this manual. Keep this manual with the equipment for future reference.

The equipment maintenance requirements are very important for safe and efficient operation. Inspect the parts often and perform required maintenance at the prescribed intervals. Obtain service from an authorized Kohler distributor/ dealer or service technician to keep equipment in top condition.

Nameplate

Figure 2 shows a typical generator set nameplate. Copy the model, serial, and specification numbers from the nameplate into the spaces provided in the product information section on the inside front cover of this manual. See the service view in Section 1 for the nameplate location.

GM12070

Figure 2 Nameplate, Typical

Figure 1 Model 48RCL Generator Set

TP-6810 11/13

Introduction

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Contents TP-6810 11/13b RDC2Product Identification Information Accessory Number Accessory DescriptionController Identification Generator Set Identification NumbersTable of Contents Scheduled Maintenance TroubleshootingAppendix a Abbreviations Battery Safety Precautions and InstructionsAccidental Starting Accidental starting Can cause severe injury or deathEngine Backfire/Flash Fire Exhaust SystemFuel System Hazardous Noise Hazardous noise Can cause hearing lossHazardous voltage Will cause severe injury or death Heavy Equipment Hot PartsHot coolant and steam Can cause severe injury or death Nameplate IntroductionLiterature Type Part Number List of Related LiteratureService Assistance Service Assistance TP-6810 11/13 NON-SERVICE Side Service Views260RCL Service Views Generator Set Operation Prestart ChecklistOperating Area Keep the generator set area clear. Maintain at leastGenerator Set Operation Exercising the Generator SetUnloaded Cycle Exercise with Complete System Diagnostics Automatic Operation with Model RDT or RSB Transfer SwitchesSystem Diagnostics ExerciseExerciser Reset Power Failure During ExerciseSetting the Exerciser at Power-up Unloaded Full-Speed ExerciseProcedure to Change the Exercise Setting Changing the Exercise Setting2RDC2 Main Menu 3Procedure to Set the Exerciser Resetting the Controller after a Fault Shutdown FaultsATS Communication Errors Procedure to Reset the Controller after a Fault ShutdownFault Shutdown SD Condition Check 5Controller Fault Messages Procedure to View Event History Model RXT Transfer Switch OperationSetting Event LogATS Load Control Relay Time Delay Time DelaysATS Control Sequence of Operation Preferred Source FailsRDC2 Controller Operation Controls and IndicatorsButton Controller Keypad LED IndicatorsButton Function LED OperationActive Alert LCD DisplayBattery Charging Controller PowerChanging Settings Procedure to Change Settings6Changing Settings Changing Settings on the RDC2 ControllerMain Menu Controller MenusEngine Metering Menu Overview MenuVoltage Calibration Generator Metering MenuGenset Run Time Menu Generator Set Information MenuSetting the Exerciser Voltage Regulator VR Voltage AdjustAdjusting the Display Contrast Genset System Menu14ATS Status Menu, with Calibration ATS Status MenuChanging ATS Configuration Settings ATS Configuration MenuDate and Time 02Dec2011 1234pm Time Format 12hr24hr Date and Time Menu17Networking Information Menu Networking Information MenusDhcp Networking Status SubmenuOnCue Password Networking Configuration Submenu OnCue Password20RBUS Information Submenu Rbus Information Submenu21Remote Devices Submenu Remote Devices SubmenuProgrammable Interface Module PIM Menus 23Load Control Status Menu Load Control MenusGeneral Maintenance Scheduled MaintenanceEvery Operation Daily Service ScheduleLubrication System Oil SpecificationsOil Check Oil AdditionsReset the maintenance timer on the RDC2 Air CleanerAir Cleaner Service Procedure Check for leaksCooling System Checking and Filling CoolantExhaust System Inspection Points Flushing and Cleaning Procedure Flushing and CleaningCooling System Inspection Draining Cooling SystemModel Spark plug gap 38 RCL, 48RCL, and 60RCL Ignition System511 Storage Procedure Scheduled Maintenance TP-6810 11/13 Fault Messages TroubleshootingIntroduction USB PortProblem Possible Cause Corrective Action Generator Set Troubleshooting2RDC2 Troubleshooting Chart Controller TroubleshootingTroubleshooting TP-6810 11/13 Ansi Appendix a AbbreviationsLCB 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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