Kohler 20RCA

92 pages

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Models:

14RCA

14RCAL

18RCAL

20RCA

20RCAL

Controller:

RDC2

Residential/Commercial Generator Sets

TP-7092 11/22b

Operation

Table of Contents

Other manuals for Kohler 20RCA

Installation92 pages

Installation And Operation Instruction36 pages

Questions and Answers:

N
Nicole WardAug 18, 2025
What to do if the breaker will not close in RUN on my Kohler 20RCA Portable Generator?
- F
  farleyjudithAug 18, 2025
  If the breaker won't close in RUN on your Kohler Portable Generator, it could be due to: another breaker being closed (stop the other generator set), auto-discovery not being complete (initiate auto-discovery by ensuring this generator is in RUN mode and the other is stopped with the controller in OFF mode), or bus sensing not being connected correctly (check wiring between both generators and the Automatic Paralleling Module).
K
Kelly GarciaAug 28, 2025
Why does SiteTech indicate that both engines are under load, but the ATS has not transferred on my Kohler 20RCA?
- J
  jared42Aug 28, 2025
  If SiteTech indicates that both engines are under load but the ATS hasn't transferred on your Kohler Portable Generator, it could be due to the metering on either generator being backwards. To fix this, select a different model number for the affected generator, then re-select the correct model number. This clears the CT direction flag and allows the generators to re-determine CT direction.

Kohler 20RCA Specifications

General

Rated Output (Watts)	20000
Starting Method	Electric
Voltage	120/240V
Frequency	60 Hz
Fuel Type	Gasoline
Engine	Kohler
Power Output	20 kW
Dimensions	48.5 in x 29.5 in x 39 in

Summary

Product Identification Information

Emission Information

Generator Set Application

Intended Use and Limitations

Service Assistance

Obtaining Professional Service

Provides contact information for nearest dealer and website.

Section 2. Generator Set Operation

Prestart Checklist

Steps to ensure satisfactory operation before starting the generator.

Exercising and Operation Modes

Exercise Modes and Diagnostics

Fault Handling and Resetting

Procedures for identifying, correcting, and resetting faults.

Paralleling System Faults

Section 3. RDC2 Controller Operation

Controller Overview and Interface

Settings and Configuration

Guides on changing controller settings and exerciser parameters.

Networking and Communication

Section 4. Scheduled Maintenance

Maintenance Schedules and Procedures

Lubrication System Service

Details oil checks, changes, filter replacement, and oil cooler maintenance.

Engine Component Maintenance

Battery Maintenance and Storage

Provides guidance on battery cleaning, testing, and storage.

Section 5. Troubleshooting

Troubleshooting Introduction

Guides on diagnosing and correcting common generator problems.

Fault Messages and Diagnosis

Lists fault messages and their potential causes and checks.

Circuit Protection and Ports

Switch and Thermostat Issues

General Troubleshooting Guide

Safety Precautions and Instructions

General Hazard Classifications

Explains DANGER, WARNING, CAUTION, and NOTICE levels.

Operational Safety

Covers accidental starting, hot parts, and heavy equipment handling.

Electrical and Fire Safety

Addresses hazardous voltage, moving parts, and fire/explosion risks.

Chemical and Environmental Safety

Covers battery acid, carbon monoxide, and noise hazards.

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