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Kohler
Portable Generator
20.5EFKOZD
Kohler 20.5EFKOZD User Manual
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Models:
14/16/21/24/32/40EKOZD
12/13.5/17/18/20.5/28/35EFKOZD
Controller:
Decision Maker
®
3500
Marine Generator Sets
TP
-
7044
6/23e
Operation
2
Table of Contents
Table of Contents
3
Safety Precautions and Instructions
5
Introduction
9
Service Assistance
10
Maintenance and Service Parts/Related Literature
11
Service Views
13
Operation
17
Prestart Checklist
17
Marine Inspection
18
Angular Operation
18
Operation in European Union Member Countries
19
Load Profile
19
Introduction
19
Controller Specifications
19
Decision-Maker 3500 Controller Information
20
Controller Features
21
Switches and Controls
22
Exhaust Gas Recirculation (EGR) Lamp
23
Annunciator Lamps
23
Graphical Display
24
Metering Menu
24
Generator Metering Submenu
24
Engine Metering Submenu
25
Overview Submenu
25
Paralleling Metering Submenu
26
Generator Information Menu
26
Generator Information Submenu
26
Event History Submenu
27
Configuration Submenu
27
Voltage Regulation Submenu
29
Voltage Selector Switch
30
Paralleling Operation
30
Controller Configuration Menu
38
Controller Configuration Submenu
38
Communication Setup Submenu
39
Calibration Submenu
40
I/O Setup Menu
41
Controller Fault Diagnostics
42
Main Logic Circuit Board
46
Controller Operation
46
Emergency Stop
48
System Status Lamps
49
System Fault Warning Lamp with Digital Displays
49
System Fault Shutdown Lamp with Digital Displays
52
Status and Notice Digital Displays
54
Controller Resetting (Following System Shutdown or Warning)
55
Menu Displays
56
Monitoring and Programming Setup
64
PC Communications
64
Modbus Communications
66
Scheduled Maintenance
67
General Maintenance
67
Service Schedule for 14-24EKOZD/12-20.5EFKOZD Models
69
Service Schedule for 32-40EKOZD/28-35EFKOZD Models
71
Engine Break-In Period
73
Lubrication System
73
Oil Specifications
73
Oil Check
73
Oil Change
74
Fuel System
75
Fuel Specifications
75
Fuel Filter
76
Fuel System Bleed
77
Air Cleaner Service/Replacement (32-40EKOZD/28-35EFKOZD Models)
79
Exhaust System
80
Cooling System
81
Closed Heat Exchanger
81
Checking and Filling Coolant
81
Flushing and Cleaning
83
Pressure Cap
84
Seawater Pump
84
Siphon Break
86
Anticorrosion Zinc Anode
88
Belt Tension
90
Belt Tensioning Procedure
90
Battery
92
Generator Storage Procedure
92
Troubleshooting
93
Controller Display and Voltage Regulation Troubleshooting Chart
99
Wiring Diagrams
101
Wiring Diagram Reference
102
Appendix A. Abbreviations
163
Appendix B. Operating Hours and Service Log
167
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Kohler 20.5EFKOZD Specifications
General
Model
20.5EFKOZD
Type
Portable Generator
Fuel Type
Diesel
Starting System
Electric Start
Frequency
60 Hz
Power Output
20.5 kW
Voltage
120/240V
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