Kohler 14RCA User Manual

Models:
14RCA
14RCAL
18RCAL
20RCA
20RCAL
Controller:
RDC2
Residential/Commercial Generator Sets
TP-7092 11/22b
Operation

Kohler 14RCA Specifications

General

Voltage	120/240 V
Frequency	60 Hz
Alternator Type	Brushless
Fuel Type	Gasoline
Starting System	Electric
Phase	Single

Summary

Safety Precautions and Instructions

Accidental Starting

Procedures to prevent accidental starting and associated risks.

Introduction

List of Related Literature

Nameplate and Emission Information

Generator Set Application and Service

Section 1. Descriptions and Service Views

1.1 Introduction

Provides overview of manual content and obtaining specification sheets.

1.2 Engine

Describes the four-cycle, twin-cylinder, air-cooled Kohler engine.

1.3 Alternator

Details the PowerBoost™ voltage regulation system for consistent voltage.

1.4 Generator Set Enclosure

Information on the aluminum enclosure's features and access.

1.5 Transfer Switch

Explains the RDC2 controller's interface with Model RXT Automatic Transfer Switch.

1.6 Controller

Explains the RDC2 controller features, keypad, and display.

1.7 OnCue® Plus Generator Management System

Covers the generator management system for remote monitoring and control.

1.8 Accessories

Lists and describes various optional accessories for generator sets.

1.9 Service Views

Illustrates the generator set components and their locations.

Section 2. Generator Set Operation

2.1 Prestart Checklist

Procedures to check before starting the generator set for safe operation.

2.2 Exercising the Generator Set

Guidelines for running the generator set to maintain condition.

2.3 Generator Set Operation

Covers starting, stopping, automatic, and remote operation modes.

2.4 Exercise

Details on setting up and performing generator set exercise cycles.

2.5 Faults

Explains fault messages, warnings, shutdowns, and resetting procedures.

2.5.6 Faults Related to Paralleling

Lists faults and events specific to the PowerSync Automatic Paralleling Module.

Section 3. RDC2 Controller Operation

3.1 RDC2 Generator Set/Transfer Switch Controller

Introduces the RDC2 controller and its overall function.

3.2 Control and Indicators

Details the controller's user interface, buttons, and LEDs.

3.3 Controller Power

Explains the power source for the RDC2 controller.

3.4 Battery Charging

Information on the controller's built-in battery charging system.

3.5 Changing Settings

Procedure for navigating menus and modifying controller settings.

3.6 Setting the Exerciser

Steps to configure the automatic exercise schedule for the generator set.

3.7 RDC2 Controller Menus

Guide to navigating the controller's menu structure.

3.8 Main Menu

Overview of the controller's main menu options.

3.9 Overview Menu

Displays generator status, alerts, and maintenance information.

3.10 Engine Metering Menu

Shows engine status information like speed, oil pressure, and temperature.

3.11 Generator Metering Menu

Displays generator voltage and frequency readings.

3.12 Generator Set Information Menu

Shows generator set model and serial numbers.

3.13 Genset Run Time Menu

Displays engine runtime hours and next maintenance intervals.

3.14 Genset System Menu

Configures system settings like fuel type, language, and display contrast.

3.15 ATS Status Menu

Displays ATS status and allows voltage calibration.

3.16 ATS Configuration Menu

Allows checking and changing ATS system settings and time delays.

3.17 Date and Time Menu

Procedures to set the date, time, and time format on the controller.

3.18 Networking Information Menus

Settings for communication with remote devices and management systems.

3.19 Programmable Interface Module (PIM) Status Menu

Displays the status of inputs and outputs connected to the PIM.

3.20 Load Control Menus

Shows status and allows testing of load management device inputs/outputs.

3.21 Event Log

Displays a history of controller faults, notices, and events.

Section 4. Scheduled Maintenance

4.1 Scheduled Maintenance

Guide to scheduling routine maintenance based on service schedules and runtime.

4.2 Lubrication System

Procedures for engine oil checks, changes, and related components.

4.3 Spark Plugs

Instructions for checking and adjusting spark plug gap.

4.4 Air Cleaner Service

Procedures for inspecting and replacing the engine's air cleaner element.

4.5 Cooling System

Ensures proper cooling and inspects exhaust system for safety.

4.6 Exhaust System

Safety precautions and inspection of the exhaust system for leaks and carbon monoxide.

4.7 Battery

General information and procedures for maintaining the 12-volt engine battery.

4.8 Storage Procedure

Steps for preparing the generator set for long-term storage.

Section 5. Troubleshooting

5.1 Introduction

Guide to diagnosing and correcting common generator set problems.

5.2 Fault Messages

How the controller displays fault messages for troubleshooting.

5.3 Circuit Protection

Information on internal and line circuit breakers for protection.

5.4 USB Port and Auxiliary Winding Mini-Breaker

Location and use of the USB port and mini-breaker for diagnostics.

5.5 Stop Switches

Details on stop switches and their function.

5.6 Thermostat

Information on the resettable thermostat and its function.

5.7 Troubleshooting

Comprehensive chart for diagnosing and correcting common generator problems.

Appendix A. Abbreviations