Kohler 20.5EFKOZD - Page 123

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TP-7044 6/23 123

Figure 70 Wiring Diagram, Schematic (Sheet 2 of 2) for 32EKOZD/28EFKOZD 12-Volt, Standard Ground Models

Main Page

Table of Contents3
Safety Precautions and Instructions5
Introduction9
Service Assistance10
Maintenance and Service Parts/Related Literature11
Service Views13
Operation17
Prestart Checklist17
Marine Inspection18
Angular Operation18
Operation in European Union Member Countries19
Load Profile19
Introduction19
Controller Specifications19
Decision-Maker 3500 Controller Information20
Controller Features21
Switches and Controls22
Exhaust Gas Recirculation (EGR) Lamp23
Annunciator Lamps23
Graphical Display24
Metering Menu24
Generator Metering Submenu24
Engine Metering Submenu25
Overview Submenu25
Paralleling Metering Submenu26
Generator Information Menu26
Generator Information Submenu26
Event History Submenu27
Configuration Submenu27
Voltage Regulation Submenu29
Voltage Selector Switch30
Paralleling Operation30
Controller Configuration Menu38
Controller Configuration Submenu38
Communication Setup Submenu39
Calibration Submenu40
I/O Setup Menu41
Controller Fault Diagnostics42
Main Logic Circuit Board46
Controller Operation46
Emergency Stop48
System Status Lamps49
System Fault Warning Lamp with Digital Displays49
System Fault Shutdown Lamp with Digital Displays52
Status and Notice Digital Displays54
Controller Resetting (Following System Shutdown or Warning)55
Menu Displays56
Monitoring and Programming Setup64
PC Communications64
Modbus Communications66
Scheduled Maintenance67
General Maintenance67
Service Schedule for 14-24EKOZD/12-20.5EFKOZD Models69
Service Schedule for 32-40EKOZD/28-35EFKOZD Models71
Engine Break-In Period73
Lubrication System73
Oil Specifications73
Oil Check73
Oil Change74
Fuel System75
Fuel Specifications75
Fuel Filter76
Fuel System Bleed77
Air Cleaner Service/Replacement (32-40EKOZD/28-35EFKOZD Models)79
Exhaust System80
Cooling System81
Closed Heat Exchanger81
Checking and Filling Coolant81
Flushing and Cleaning83
Pressure Cap84
Seawater Pump84
Siphon Break86
Anticorrosion Zinc Anode88
Belt Tension90
Belt Tensioning Procedure90
Battery92
Generator Storage Procedure92
Troubleshooting93
Controller Display and Voltage Regulation Troubleshooting Chart99
Wiring Diagrams101
Wiring Diagram Reference102
Appendix A. Abbreviations163
Appendix B. Operating Hours and Service Log167

Kohler 20.5EFKOZD - Page 123

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