Kohler Complete Guide to DC2 and RDC2 Controller Operation
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Section 4 DC2 Controller Operation

4.1DC2 Generator Set/ Transfer Switch Controller

Model RESAL generator sets are equipped with the DC2 generator set/transfer switch controller.

Model RESA generator sets are equipped with the RDC2 generator set/transfer switch controller. See Section 3 for RDC2 controller operation information.

The DC2 controls the following power system components:

DModel 14RESAL or 20RESAL generator set

DModel RXT Automatic Transfer Switch (ATS)

DLoad Control Module (LCM)

DProgrammable Interface Module (PIM)

DC2 controller features include:

DTwo-line x 16 character backlit digital display with adjustable contrast

DOFF, AUTO, RUN, and EXERCISE generator set control buttons

4.2 Controls and Indicators

Figure 4-1 illustrates the DC2 controller. See Figure 4-2 for details of the controller’s user interface.

1

2

1. User Interface

2. Service access (see Section 6.4)

GM77569

Figure 4-1 DC2 Controls and Indicators

1

 

5

4

3

2

1.

2-line LCD display

 

 

 

2.

EXERCISE button

 

 

 

3.

RUN button and LED

 

 

 

4.

OFF button and LED

 

 

 

5.

AUTO button and LED

 

 

GM77569

Figure 4-2 DC2 User Interface

TP-6804 12/11

Section 4 DC2 Controller Operation 51

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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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