Kohler 14/20RESAL Descriptions and Service Views, Introduction Engine, Generator Set Enclosure

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Section 1 Descriptions and Service Views

1.1 Introduction

The generator set specification sheets provide specific generator and engine information. Refer to the spec sheet for data not supplied in this manual. Consult the generator set service manual, engine operation manual, and engine service manual for additional specifications. Obtain copies of the latest spec sheets, manuals, diagrams, and drawings from your local distributor/ dealer.

1.2 Engine

The generator set has a four-cycle, twin cylinder, air- cooled Kohlerr engine. The engine operates on clean- burning natural gas or propane (LP) vapor. Engine features include:

DEfficient overhead valve design and full pressure lubrication for maximum power, torque, and reliability under all operating conditions.

DDependable, maintenance-free electronic ignition.

DPrecision-formulated cast iron construction of parts subjected to the most wear and tear.

DField-convertible multi-fuel systems that allow fuel changeover from natural gas to LP vapor (and vice- versa) while maintaining CARB emission certification.

DDigital spark advance optimizes ignition timing for the selected fuel.

1.3 Generator Set Enclosure

The generator set is housed in an exclusive engineered composite enclosure that is corrosion-proof, even in harsh seaside environments, and impact-resistant, even in cold weather. The enclosure has a hinged, locking roof that allows easy access to the generator set controller when required, but locks securely to prevent unauthorized access.

To open the roof, insert the tool provided with the enclosure and turn counterclockwise 1/4 turn. Then just raise the roof. The roof stays open until you are ready to close it.

Be sure to close and lock the enclosure, and keep the tool in a secure location.

1.4 Alternator

The generator uses Kohler’s unique PowerBoostt voltage regulation system, which provides instant response to load changes.

PowerBoostt ensures reliable motor starting and consistent voltage levels. PowerBoostt utilizes a voltage excitation system that employs a winding independent of the main output windings to provide excitation voltage.

1.5 Transfer Switch

The RDC2 and DC2 controllers are designed to interface with and control the Kohler Model RXT Automatic Transfer Switch (ATS). Do not use the Kohler Model RRT transfer switch with the RDC2 or DC2 controller.

If the power system uses a different model transfer switch, the RDC2 and DC2 controllers will not control the transfer switch. An ATS other than the Model RXT must be equipped with a transfer switch controller and engine start contacts that connect to the remote engine start terminals on the generator set.

1.6 Controllers

RESA models are equipped with the Residential Digital Control (RDC2). RESAL models use the Digital Control (DC2). See Figure 1-1.

The controller provides integrated control for the generator set, Kohlerr Model RXT transfer switch, programmable interface module (PIM), and load control module (LCM).

RDC2 (RESA)

DC2 (RESAL)

Figure 1-1 Controllers

 

TP-6804 12/11

Section 1 Descriptions and Service Views 15

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Contents Models ControllersTP-6804 12/11 Engine Identification Product Identification InformationController Identification Generator Set Identification NumbersTable of Contents Networking Configuration Submenu OnCue Password Table of Contents TP-6804 12/11 Safety Precautions and Instructions BatteryAccidental Starting Exhaust System Engine Backfire/Flash FireHazardous Voltage/ Moving Parts Fuel System Hazardous NoiseHot Parts Heavy EquipmentList of Related Literature IntroductionEmission Information NameplateService Assistance Service Assistance TP-6804 12/11 Generator Set Enclosure Descriptions and Service ViewsTransfer Switch Introduction EngineRDC2 Controller Features DC2 Controller Features Accessories Removed to Show Detail Service ViewsDescriptions and Service Views TP-6804 12/11 Generator Set Operation Prestart ChecklistGenerator Set Operation Exercising the Generator SetAutomatic Operation with Model RDT or RSB Transfer Switches Automatic Operation with Model RXT Transfer SwitchSetting the Exerciser Unloaded Cycle Exercise with Complete System DiagnosticsExercise Faults Clearing a Fault on the RDC2 Controller Resetting the Controller after a Fault ShutdownCheck communication wiring between Controller Fault Messages Generator Set Operation TP-6804 12/11 RDC2 Generator Set/ Transfer Switch Controller Controls and IndicatorsRDC2 Controller Operation RUN OFF Auto Controller Keypad LED IndicatorsLCD Display Autopaging Displays, Automatic ModeController Power Battery ChargingChanging Settings Changing Settings Setting the Exerciser Setting the Exerciser at Controller Power--upChanging the Exercise Settings Procedure to Set the Exerciser on the RDC2 Controller Main Menu RDC2 Controller MenusEngine Metering Menu Overview Menu12 Generator Metering Menu Generator Metering MenuGenset Run Time Menu Generator Set Information Menu15 Genset System Menu Genset System Menu16 ATS Status Menu, with Calibration ATS Status Menu17 ATS Configuration Menu ATS Configuration MenuNetworking Information Menus Date and Time MenuDhcp Networking Status SubmenuReset OnCue Password? Yes Networking Configuration Submenu OnCue PasswordRbus Rbus Information23 Remote Devices Submenu Remote Devices Submenu24 Programmable Interface Module PIM Status Menu Programmable Interface Module PIM Status Menu25 Load Control Module LCM Status Menu Load Control Module LCM Menus26 Event Log Event LogDC2 Controller Operation DC2 Generator Set/ Transfer Switch ControllerDC2 Controller Pushbutton Operation Status Displays, Generator Running Exercise Modes Exerciser ResetOnCue Password Maintenance TimerDC2 Controller Operation TP-6804 12/11 Scheduled Maintenance Scheduled MaintenanceLubrication Service Schedule, 14RESA/RESAL ModelsService Schedule, 20RESA/RESAL Models Low Oil Pressure Shutdown Oil Change ProcedureLubrication System Engine Oil RecommendationOil Cooler 20RESA/RESAL Resetting the Maintenance TimerAir Cleaner Service Air Cleaner, 14RESA/RESAL ModelsSpark Plugs Air Cleaner, 20RESA/RESAL Models Cooling System EZ-273000-J Storage Procedure Introduction TroubleshootingFault Messages Controller Service AccessGeneral Troubleshooting Chart TroubleshootingAnsi Appendix a AbbreviationsLCB Page By Kohler Co. All rights reserved

14/20RESAL, 14/20RESA specifications

The Kohler 14/20RESA and 14/20RESAL are prominent generators recognized for their robust design, commitment to efficiency, and reliability in providing backup power for residential and light commercial applications. Kohler, a brand synonymous with quality, delivers these generators with advanced technologies and essential features that cater to the power needs of modern households and small businesses.

One of the major features of the Kohler 14/20RESA and 14/20RESAL models is their powerful engine, designed to deliver consistent and reliable performance. These generators are equipped with a high-performance, air-cooled, V-Twin engine that ensures smooth operation and longevity. The ability to run on either natural gas or propane provides versatility, making them suitable for various fuel preferences and availability.

Kohler’s innovative technology is reflected in the generator's Quiet Operation system, which minimizes noise levels, allowing homeowners to enjoy uninterrupted comfort during power outages. The noise-dampening qualities make the units ideal for residential settings, ensuring that they can operate without disturbing the peace of the neighborhood.

Another standout characteristic of the Kohler 14/20RESA and 14/20RESAL is the advanced digital control system. This system includes an intuitive LCD display that provides real-time data and diagnostics, allowing users to easily monitor the generator's performance. Features such as automatic voltage regulation and overload protection safeguard the generator and connected devices, preventing damage and ensuring stable power output.

The design of these generators emphasizes durability and ease of installation. The robust enclosure protects against environmental elements, making them suitable for outdoor placement. Additionally, the generators feature a compact footprint, which is advantageous in areas with confined spaces.

Residents will also appreciate the auto-start functionality, allowing the generator to turn on automatically during a power outage, ensuring that critical appliances continue to function without interruption. The remote monitoring capabilities also enhance user convenience, enabling owners to check on their generator's status from their smartphones or computers.

Maintenance is simplified with Kohler’s user-friendly design, which includes easy-access service points and a maintenance-free battery. This attention to serviceability enhances the overall user experience, ensuring that the generators operate efficiently for years.

In summary, the Kohler 14/20RESA and 14/20RESAL generators combine powerful performance with advanced technology, solid design, and user-friendly features. Their reliability makes them an excellent choice for anyone needing dependable backup power, whether for home, business, or specialized applications. With Kohler's reputation for quality backing these models, users can rest assured in their purchase decision.
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