Industrial Generator Sets
Models:
400--800RZW (Waukesha Powered)
Controller:
Decision-Maker�550
TP-6155 9/06b
Wiring Diagrams
Product Identification Information
Product identification numbers determine service parts.Record the product identification numbers in the spacesbelow immediately after unpacking the products so thatthe numbers are readily available for future reference.Record field-installed kit numbers after installing thekits.
Generator Set Identification Numbers
Record the product identification numbers from thegenerator set nameplate(s).
Model Designation
Specification Number
Serial Number
Accessory Number Accessory Description
Controller Identification
Record the controller description from the generator setoperation manual, spec sheet, or sales invoice.
Controller Description
Engine Identification
Record the product identification information from theengine nameplate.
Manufacturer
Model Designation
Serial Number
TP-6155 9/06 3Introduction
Introduction
This manual provides wiring diagrams for the400--800RZW Waukesha engine-powered generatorsets equipped with the following controller:
� Decision-Maker�550
Information in this publication represents data availableat the time of print. Kohler Co. reserves the right tochange this publication and the products representedwithout notice and without any obligation or liabilitywhatsoever.
Service Assistance
For professional advice on generator powerrequirements and conscientious service, please contactyour nearest Kohler distributor or dealer.
� Consult the Yellow Pages under the heading
Generators—Electric
� Visit the Kohler Power Systems website at
KohlerPowerSystems.com
� Look at the labels and stickers on your Kohler product
or review the appropriate literature or documents
included with the product
� Call toll free in the US and Canada 1-800-544-2444
� Outside the US andCanada, call the nearest regional
office
Headquarters Europe, Middle East, Africa
(EMEA)
Kohler Power Systems
ZI Senia 122
12, rue des Hauts Flouviers
94517 Thiais Cedex
France
Phone: (33) 1 41 735500
Fax: (33) 1 41 735501
Asia Pacific
Power Systems Asia Pacific Regional Office
Singapore, Republic of Singapore
Phone: (65) 6264-6422
Fax: (65) 6264-6455
China
North China Regional Office, Beijing
Phone: (86) 10 6518 7950
(86) 10 6518 7951
(86) 10 6518 7952
Fax: (86) 10 6518 7955
East China Regional Office, Shanghai
Phone: (86) 21 6288 0500
Fax: (86) 21 6288 0550
India, Bangladesh, Sri Lanka
India Regional Office
Bangalore, India
Phone: (91) 80 3366208
(91) 80 3366231
Fax: (91) 80 3315972
Japan, Korea
North Asia Regional Office
Tokyo, Japan
Phone: (813) 3440-4515
Fax: (813) 3440-2727
Latin America
Latin America Regional Office
Lakeland, Florida, USA
Phone: (863) 619-7568
Fax: (863) 701-7131
TP-6155 9/064 Wiring Diagrams
Wiring Diagrams
Use the Wiring Diagram Cross-Reference chart todetermine the wiring diagram version number for agiven model number and spec number. Then find thatversion number and the controller type on the Controller
Wiring Diagrams Reference chart to determine thewiring diagram numbers for your unit. Refer to thegenerator set operation manual for controller typeidentification, if necessary.
Wiring Diagram Cross-Reference
Generator SetModel No. Hz
Generator SetSpec No.
Wiring DiagramVersion No.
400RZW 50/60 GM22173-GA1, 2, 3, 4 1-1
400RZW 50/60 GM22173-GA5, 6, 7, 8 1-2
600RZW 50/60 GM22193-GA1, 2, 3, 4 2-1
800RZW 50/60 GM22207-GA1, 2, 3, 4 2-1
400RZW Controller Wiring Diagrams Reference
Controller Description Version 1-1 Page Version 1-2 Page
Decision-Maker�550
Point-to-Point Wiring Diagram
Sheet 1 GM22291A-B 14 GM47120A- 22
Sheet 2 GM22291B-B 15 GM47120B- 23
Schematic Diagram
Sheet 1 ADV-6693A-B 6 ADV-7123A- 10
Sheet 2 ADV-6693B-B 7 ADV-7123B- 11
Accessory Connections
Sheet 1 GM16088A-F 12 GM28632B-G 18
Sheet 2 GM16088B-F 13 GM28632C-G 19
Sheet 3 — GM28632D-G 20
Sheet 4 — GM28632E-G 21
Generator Reconnections ADV-5875C-G 5 ADV-5875C-G 5
Note: Version 1-2 represents governor controller change.
600/800RZW Controller Wiring Diagrams Reference
Controller Description Version 2-1 Page
Decision-Maker�550
Point-to-Point Wiring Diagram
Sheet 1 GM22292A-C 16
Sheet 2 GM22292B-C 17
Schematic Diagram
Sheet 1 ADV-6694A-C 8
Sheet 2 ADV-6694B-C 9
Accessory Connections
Sheet 1 GM28632B-G 18
Sheet 2 GM28632C-G 19
Sheet 3 GM28632D-G 20
Sheet 4 GM28632E-G 21
Generator Reconnections ADV-5875C-G 5
TP-6155
9/06
5WiringDiagrams
TP-6155
9/06
6WiringDiagrams
TP-6155
9/06
7WiringDiagrams
TP-6155
9/06
8WiringDiagrams
TP-6155
9/06
9WiringDiagrams
TP-6155
9/06
10
WiringDiagrams
TP-6155
9/06
11
WiringDiagrams
TP-6155
9/06
12
WiringDiagrams
TP-6155
9/06
13
WiringDiagrams
TP-6155
9/06
14
WiringDiagrams
TP-6155
9/06
15
WiringDiagrams
TP-6155
9/06
16
WiringDiagrams
TP-6155
9/06
17
WiringDiagrams
TP-6155
9/06
18
WiringDiagrams
TP-6155
9/06
19
WiringDiagrams
TP-6155
9/06
20
WiringDiagrams
TP-6155
9/06
21
WiringDiagrams
TP-6155
9/06
22
WiringDiagrams
TP-6155
9/06
23
WiringDiagrams
TP-6155
9/06
24
WiringDiagrams
This
pageintentionally
leftblank.
� 2002, 2005, 2006 by Kohler Co. All rights reserved.
TP-6155 9/06b
KOHLER CO. Kohler, Wisconsin 53044Phone 920-565-3381, Fax 920-459-1646For the nearest sales/service outlet in theUS and Canada, phone 1-800-544-2444KohlerPowerSystems.com
Kohler Power SystemsAsia Pacific Headquarters7 Jurong Pier RoadSingapore 619159Phone (65) 6264-6422, Fax (65) 6264-6455