943-0019

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Service GenSet Control Module . 943-0019 7-88 P h k d in USA Redistribution or publication of this document, by any means, is strictly prohibited. Safety Precautions The following symbols in this manual highlight conditions potentially dangerous to service personnel, or equipment. Read this manual carefully. Know when these conditions can exist. Then take necessary steps to protect personnel as well as equipment. If you must make adjustments while the unit is running, use extreme caution a
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  Service GenSet Control . Module 943-0019 7-88 Phkd n USA Redistribution or publication of this document, by any means, is strictly prohibited.  Safety Precautions The following symbols in this manual highlight condi-tions potentially dangerous to service personnel, orequipment. Read this manual carefully. Know whenthese conditions can exist. Then take necessary stepsto protect personnel as well as equipment. This symbol warns of immediatehazards which will result in severepersonal injury or death.This symbol refers to a hazard or unsafe practice which can result insevere personal injury or death.This symbol refers to a hazard or @%@@I nsafe practice which can result inpersonal injury or product or property damage. PROTECT AGAINST MOVING PARTS Avoid moving parts of the unit. Avoid use of loosejackets, shirts or sleeves due to danger of becomingcaught in moving parts.Make sure all nuts and bolts are secure. Keep powershields and guards in position. If you must make adjustments while the unit is running,use extreme caution around hot manifolds, movingparts, etc.Do not work on this equipment when mentally or physically fatigued. . GUARD AGAINST ELECTRIC SHOCK b Disconnect electric power before removing protectiveshields or touching electrical equipment. Use rubberinsulative mats placed on dry wood platforms overfloors that are metal or concrete when around electricalequipment. Do not wear damp clothing (particularly wetshoes) or allow skin surfaces to bedamp when handlingelectrical equipment.Disconnect batteries o prevent accidental engine start.Jewelry is a good conductor of electricity and should beremoved before working on electrical equipment.Use extreme caution when working on electrical com-ponents. High voltages cause injury or death.Follow all state and local codes. To avoid possiblecian or an authorized service representative must 1 perform installation and all service.personal njury or equipmentdamage, aqualified electri- - [AWARNING EXHAUST GAS IS DEADLY! Exhaust gases contain carbon monoxide, an odorless and colorless gas. Carbonmonoxide s poisonous and can cause unconsciousness and death. Symptoms ofcarbon monoxide poisoning can include:Dizziness e Throbbing n Temples .- Nausea e Muscular TwitchingHeadache e VomitingWeakness and Sleepiness e Inability to Think CoherentlyIF YOU OR ANYONE ELSE EXPERIENCE ANY OF THESE SYMPTOMS, GET OUTINTO THE FRESH AIR IMMEDIATELY. If symptoms persist, seek medicalattention. Shut down the unit and donotoperate until it has been inspected andrepaired.Protection against carbon monoxide nhalation includes proper installation andregular, frequent visual and audible inspections of the complete exhaust system. ii Redistribution or publication of this document, by any means, is strictly prohibited.  Table of Contents * TITLE PAGE SAFETY PRECAUTIONS ................................................................. Inside Front CoverAbout this Manual .................................................................................. 1-1 Test Equipment .................................................................................... 1-1 General Description ................................................................................ 1-2 AC Control Components ............................................................................ 2-1 Basic Operation 2-2 Basic Engine Control Components .................................................................... 3-1 Detector-2 Components ............................................................................. 3-2 Detector-7 Components .......................................... 1 ................................... 3-2 Detector-12 Components ............................................................................ 3-2 Additional Components ............................................................................. 3-6 Basic Operation3-6 Run Relays ........................................................................................ 4-1 Alarm Relays ....................................................................................... 4-1 Time Delayed StartIStop And Preheat Modules ........................................................ 4-2 Magnetic Pick-Up Module ........................................................................... 4-3 OverIUnder Voltage Module ......................................................................... 4-4 OverIUnder Hz (Frequency) Module .................................................................. 4-4 Control Cabinet Heater .............................................................................. 4-4 Engine Does Not Crank ............................................................................. 5-2 Engine Cranks But Does Not Start .................................................................... 5-3 Engine Runs Until Fault Shutdown .................................................................... 5-4  INTRODUCTION 1-1  .................................................................................... AC CONTROL ....................................................................................... 2-1  .................................................................................... ENGINE CONTROL ......................................... i .......................................... 3-1  .................................................................................... AUXILIARY COMPONENTS ........................................................................... 4-1  TROUBLESHOOTING ................................................................................. 5-1  ENGINE SENSOR LOCATIONS ........................................................................ 6-1  iii Redistribution or publication of this document, by any means, is strictly prohibited.  . Redistribution or publication of this document, by any means, is strictly prohibited.
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