Kohler 20RCAL User Manual

TP-7092 11/22 3
Table of Contents
Safety Precautions and Instructions ........................................................................................................................................ 7
Introduction .............................................................................................................................................................................. 13
Service Assistance................................................................................................................................................................... 16
Section 1. Descriptions and Service Views ........................................................................................................... 17
1.1 Introduction ............................................................................................................................................................ 17
1.2 Engine .................................................................................................................................................................... 17
1.3 Alternator ................................................................................................................................................................ 17
1.4 Generator Set Enclosure ........................................................................................................................................ 17
1.5 Transfer Switch ...................................................................................................................................................... 17
1.6 Controller ................................................................................................................................................................ 18
1.7 OnCue® Plus Generator Management System ..................................................................................................... 20
1.8 Accessories ............................................................................................................................................................ 20
1.8.1 Cold Weather Package Kit ....................................................................................................................... 20
1.8.2 Battery Heater Kit ..................................................................................................................................... 20
1.8.3 Breather Tube Heater and Oil Heater Kit ................................................................................................. 21
1.8.4 Fuel Regulator Heater (18 and 20kW models only) ................................................................................. 22
1.8.5 Oil Pressure Sensor Boot Kit ................................................................................................................... 23
1.8.6 Carburetor Heater .................................................................................................................................... 23
1.8.7 Emergency Stop Kit ................................................................................................................................. 24
1.8.8 Load Management ................................................................................................................................... 24
1.8.9 PowerSync Automatic Paralleling Module (APM) .................................................................................... 24
1.8.10 Programmable Interface Module (PIM) .................................................................................................... 25
1.9 Service Views ......................................................................................................................................................... 26
Section 2. Generator Set Operation ....................................................................................................................... 27
2.1 Prestart Checklist ................................................................................................................................................... 27
2.2 Exercising the Generator Set ................................................................................................................................. 27
2.3 Generator Set Operation ........................................................................................................................................ 27
2.3.1 Local Starting and Stopping ..................................................................................................................... 28
2.3.2 Automatic Operation ................................................................................................................................ 28
2.3.3 Remote Starting and Stopping ................................................................................................................. 28
2.3.4 Remote Emergency Stop Switch ............................................................................................................. 28
2.3.5 Engine Start Crank Cycle ......................................................................................................................... 30
2.3.6 Engine Cooldown ..................................................................................................................................... 30
2.3.7 Automatic Operation with Model RXT Transfer Switch ............................................................................ 30
2.3.8 Automatic Operation with Other Transfer Switches ................................................................................. 30
2.4 Exercise ................................................................................................................................................................. 31
2.4.1 Setting the Exerciser ................................................................................................................................ 31
2.4.2 Unloaded Cycle Exercise with Complete System Diagnostics ................................................................. 32
2.4.3 Unloaded Full-Speed Exercise................................................................................................................. 33
2.4.4 Loaded Full-Speed Exercise (with RXT only)........................................................................................... 33
2.4.5 Shutdown During Exercise (Advanced Diagnostic) .................................................................................. 33
2.4.6 Power Failure During Exercise Cycle ....................................................................................................... 33
2.5 Faults ..................................................................................................................................................................... 34
2.5.1 Warnings .................................................................................................................................................. 34
2.5.2 Shutdowns ............................................................................................................................................... 34
2.5.3 Shutdown During Exercise (Advanced Diagnostic) .................................................................................. 34
2.5.4 ATS Communication Errors ..................................................................................................................... 34
2.5.5 Resetting the Controller After a Fault Shutdown ...................................................................................... 34
2.5.6 Faults Related to Paralleling .................................................................................................................... 37

Kohler 20RCAL Specifications

General

Brand	Kohler
Model	20RCAL
Category	Portable Generator
Language	English