Introduction

This manual provides operation instructions for 20 kW and larger generator sets equipped with the following controller:

DDecisionr 550, Software (Code) Version 2.10 or higher

Version 2.10 refers to the controller application software. To determine the generator set controller software version, go to Menu 20—Factory Setup and scroll down to Code Version. The code version is the controller software version.

Wiring diagram manuals are available separately. Refer to the engine operation manual for generator set engine scheduled maintenance information.

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 service requirements are very important to safe and efficient operation. Inspect the parts often and perform required service at the prescribed intervals. Maintenance work must be performed by appropriately skilled and suitably trained maintenance personnel familiar with generator set operation and service.

The disk supplied with this generator set is a backup copy of the generator set personality program containing data specific to the engine and alternator. The engine and alternator data was preprogrammed in the controller at the factory and no further use of the disk should be necessary. Typically, your authorized distributor stores this disk for possible future use such as controller replacement or other circumstances requiring a backup.

Modbusr is a registered trademark of Schneider Electric.

TP-6200 10/12

Abbreviations

This publication makes use of numerous abbreviations. Typically, the word(s) are spelled out along with the abbreviation in parentheses when shown for the first time in a section. Appendix A, Abbreviations, also includes many abbreviation definitions.

List of Related Materials

Separate literature contains communication and software information not provided in this manual. Figure 1 lists the available literature part numbers.

Communication and Software

 

Manual Description

Literature Part No.

 

 

550 Controller Spec Sheet

G6-46

 

 

Generator Set/Controller

Multiple Part Numbers

Contact your

Wiring Diagram Manual

Distributor/Dealer

 

 

 

550 Communications Spec Sheet

G6-50

 

 

Monitor III Converters, Connections,

TT-1405

and Controller Setup

 

 

 

Monitor III Software Spec Sheet

G6-76

 

 

Monitor III Converter,

G6-79

Modbusr/Ethernet Spec Sheet

 

 

 

Monitor III Software Operation Manual

TP-6347

 

 

Modbusr Communications Protocol

TP-6113

Operation Manual

 

 

 

Setup and Application Manual

TP-6140

 

 

Service Parts Controllers

TP-6780

 

 

Program Loader Software Installation

TT-1285

 

 

SiteTecht Software Operation Manual

TP-6701

 

 

Remote Serial Annunciator (RSA)

TT-1377

 

 

Remote Serial Annunciator (RSA II)

TT-1485

 

 

Controller Service Replacement

TT-1310

Figure 1 Related Literature

Introduction 13

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Kohler 20-3250 kW manual Introduction, Abbreviations, List of Related Materials