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Wiring DiagramsIndustrial Generator SetsModels:25--150REZGControllers:Decision-Makerr 3000Decision-Makerr 550Decision-Makerr 3 TP-6712 4/10a
Product Identification InformationProduct 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 NumbersRecord the product identification numbers from thegenerator set nameplate(s).Model DesignationSpecification NumberSerial NumberAccessory NumberAccessory DescriptionEngine IdentificationRecord the product identification information from theengine nameplate.ManufacturerModel DesignationSerial NumberController IdentificationRecord the controller description from the generator setoperation manual, spec sheet, or sales invoice.Controller Description
IntroductionThis manual provides wiring diagrams for the25--150REZG generator sets equipped with one of thefollowing controllers:D Decision-Makerr 3000D Decision-Makerr 550Information 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.D Decision-Makerr 3 (40--150REZG)Service AssistanceFor professional advice on generator set powerrequirements and conscientious service, please contactyour nearest Kohler distributor or dealer.D Consult the Yellow Pages under the headingGenerators—Electric.D Visitthe Kohler Power Systems website atKohlerPower.com.D Look at the labels and stickers on your Kohler productor review the appropriate literature or documentsincluded with the product.D Call toll free in the US and Canada 1-800-544-2444.D Outside the US and Canada, call the nearest regionaloffice.Headquarters Europe, Middle East, Africa(EMEA)Kohler Power Systems3 rue de Brennus93200 Saint DenisFrancePhone: (33) 1 49 178300Fax: (33) 1 49 178301ChinaNorth China Regional Office, BeijingPhone: (86) 10 6518 7950(86) 10 6518 7951(86) 10 6518 7952Fax: (86) 10 6518 7955East China Regional Office, ShanghaiPhone: (86) 21 6288 0500Fax: (86) 21 6288 0550India, Bangladesh, Sri LankaIndia Regional OfficeBangalore, IndiaPhone: (91) 80 3366208(91) 80 3366231Fax: (91) 80 3315972Japan, KoreaNorth Asia Regional OfficeTokyo, JapanPhone: (813) 3440-4515Fax: (813) 3440-2727Latin AmericaLatin America Regional OfficeLakeland, Florida, USAPhone: (863) 619-7568Fax: (863) 701-7131Asia PacificPower Systems Asia Pacific Regional OfficeSingapore, Republic of SingaporePhone: (65) 6264-6422Fax: (65) 6264-6455TP-6712 4/10Introduction3
Wiring DiagramsUse the Wiring Diagram Cross-Reference chart todetermine the wiring diagram version number for agiven model number and spec number. Then find thatversion number, the controller type, and the alternatortype on the Wiring Diagrams Reference chart todetermine the wiring diagram numbers for your unit.Refer to Controller Identification for controller typeidentification, if necessary.Wiring Diagram Cross-ReferenceGenerator Set Model No.HzGenerator Set Spec No.Wiring Diagram Version 65362-GA1,2,53150REZG50/60GM64060-GA1325/30REZG Wiring Diagrams ReferenceController DescriptionDecision-Makerr 550 ControllerPoint-to-Point Wiring DiagramSheet 1Sheet 2Sheet 3Schematic DiagramSheet 1Sheet 2Sheet 3Accessory ConnectionsAccessoriesRemote Annunciator KitDecision-Makerr 3000 ControllerPoint-to-Point Wiring DiagramSheet 1Sheet 2Sheet 3Schematic DiagramSheet 1Sheet 2Accessory ConnectionsAccessoriesAlternator Reconnections4-Lead12-Lead4Wiring DiagramsVersion 10TP-6712 4/10
40/45REZG Wiring Diagrams ReferenceController DescriptionDecision-Makerr 550 ControllerPoint-to-Point Wiring DiagramSheet 1Sheet 2Sheet 3Schematic DiagramSheet 1Sheet 2Sheet 3Accessory ConnectionsAccessoriesRemote Annunciator KitDecision-Makerr 3000 ControllerPoint-to-Point Wiring DiagramSheet 1Sheet 2Sheet 3Schematic DiagramSheet 1Sheet 2Accessory ConnectionsAccessoriesDecision-Makerr 3 ControllerPoint-to-Point Wiring DiagramSheet 1Sheet 2Sheet 3Schematic DiagramSheet 1Sheet 2Accessory ConnectionsAccessoriesRemote Annunciator KitAlternator Reconnections4-Lead12-LeadTP-6712 4/10Version 8912B-H4849ADV-5875A-LADV-5875B-L910Wiring Diagrams5
50--150REZG Wiring Diagrams ReferenceController DescriptionDecision-Makerr 550 ControllerPoint-to-Point Wiring DiagramSheet 1Sheet 2Sheet 3Schematic DiagramSheet 1Sheet 2Sheet 3Accessory ConnectionsAccessoriesRemote Annunciator KitDecision-Makerr 3000 ControllerPoint-to-Point Wiring DiagramSheet 1Sheet 2Sheet 3Sheet 4Schematic DiagramSheet 1Sheet 2Sheet 3Accessory ConnectionsAccessoriesDecision-Makerr 3 ControllerPoint-to-Point Wiring DiagramSheet 1Sheet 2Sheet 3Schematic DiagramSheet 1Sheet 2Accessory ConnectionsAccessoriesRemote Annunciator KitAlternator Reconnections4-Lead12-Lead6Wiring DiagramsVersion 5875B-L910TP-6712 4/10
Controller IdentificationDecision-Makerr 3000 ControllerDecision-Makerr 550 ControllerDecision-Makerr 3 , 16-Light ControllerTP-6712 4/10Controller Identification7
Notes8Controller IdentificationTP-6712 4/10
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KOHLER CO. Kohler, Wisconsin 53044Phone 920-565-3381, Fax 920-459-1646For the nearest sales/service outlet in theUS and Canada, phone 1-800-544-2444KohlerPower.comTP-6712 4/10aE 2009, 2010 by Kohler Co. All rights reserved.Kohler Power SystemsAsia Pacific Headquarters7 Jurong Pier RoadSingapore 619159Phone (65) 6264-6422, Fax (65) 6264-6455
4 Wiring Diagrams TP-6712 4/10 Wiring Diagrams Use the Wiring Diagram Cross-Reference chart to determine the wiring diagram version number for a given model number and spec number. Then find that version number, the controller type, and the alternator type on the Wiring Diagrams Reference chart to determine t
