Manuals / Multiquip / Lawn and Garden / Portable Generator

Multiquip MQP60GM, MQP20IZ, MQP40IZ, MQP45GM, MQP60IV Typical Electrical Distribution System

Models: MQP60GM MQP30DZ MQP30GM MQP50IZ MQP60IV MQP45GM MQP40IZ MQP20IZ

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ELECTRICAL DISTRIBUTION SYSTEM

Electrical Distribution System

Figure 38 below is a one-line diagram of a typical electrical distribution system that incorporates an emergency generator set.

Figure 38. Typical Electrical Distribution System

INDUSTRIAL GENERATOR SETS — APPLICATION & INSTALLATION MANUAL — REV. #4 (09/07/07) — PAGE 79

Page 79

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Multiquip MQP60GM, MQP20IZ, MQP40IZ, MQP45GM, MQP60IV, MQP50IZ, MQP30GM, MQP30DZ Typical Electrical Distribution System

Contents

MQPOWER APPLICATION & INSTALLATION MANUALMQ POWER Application & Installation ManualPage WARRANTYDEPARTMENT HERES HOW TO GET HELPNUMBER ON-HAND WHEN CALLING MQPOWERSERVICEDEPARTMENTApplication TABLE OF CONTENTSMechanical Installation Electrical InstallationNOTES PAGE Lethal Exhaust Gases SAFETY MESSAGE ALERT SYMBOLSFORYOUR SAFETY AND THE SAFETY OF OTHERS SAFETY MESSAGE ALERT SYMBOLSOver Speed Conditions SAFETY MESSAGE ALERT SYMBOLSAccidental Starting Respiratory HazardGENERAL SAFETY IMPORTANT SAFETY INSTRUCTIONSGENERAL SAFETY IMPORTANT SAFETY INSTRUCTIONSRADIATOR first aid kit Operation SafetyMaintenance Safety EmergenciesIMPORTANT SAFETY INSTRUCTIONS Battery SafetyIMPORTANT SAFETY INSTRUCTIONS Fire ProtectionIMPORTANT SAFETY INSTRUCTIONS Lifting the Generator SetAbout This Manual Safety ConsiderationsINTRODUCTION IntroductionOverview INSTALLATION OVERVIEWApplication and Installation InstallationOutdoor Locations INSTALLATION OVERVIEWCold Climates and Derating Factors LocationStep 1. Prepare a Load Schedule Genset Sizing ProcedureGENSET SIZING Generator Set Sizing CalculationsGENSET SIZING Generator Set Sizing Calculations ContinuedStep 2. Create a Generator Set Worksheet Step Sequence GuidelinesExample Two-StepLoading Application GENSET SIZING765.7 Figure 1. Genset Sizing WorksheetsGenerator Set Sizing Calculations Continued Step 3. Enter Individual Load CharacteristicsStep 4. Enter Individual Load Characteristics GENSET SIZINGa.Establish the minimum size required Step 5. Select a Generator SetGENSET SIZING Generator Set Sizing Calculations ContinuedTable 4. Single Phase Motor Characteristics GENSET SIZING — DETERMINING LOAD CHARACTERISTICSDetermining Load Characteristics Lighting Single-PhaseInduction MotorThree-PhaseInduction Motors GENSET SIZING — DETERMINING LOAD CHARACTERISTICSTable 5. NEMA Code Letter Multiplying Factor Calculate SkW as follows Determining Load Characteristics continuedGENSET SIZING — DETERMINING LOAD CHARACTERISTICS 0.55 Three Phase NEMA Motor Code TableGENSET SIZING — DETERMINING LOAD CHARACTERISTICS 0.82GENSET SIZING — DETERMINING LOAD CHARACTERISTICS Synchronous MotorsVariable Frequency Drives Static UPSNoise Level Measurement and Decibel / dBA Units ENVIRONMENTAL CONSIDERATIONS — dBANoise Consideration Noise Laws and RegulationsENVIRONMENTAL CONSIDERATIONS — dBA Comparison Chart dBAFigure 2. dBA Comparison Chart Figure 3. dBA Comparison Chart Adding Additional Sound SourcesENVIRONMENTAL CONSIDERATIONS — dBA ENVIRONMENTAL CONSIDERATIONS — dBA Effects of DistanceFigure 4. Distance Effects on dBA ENVIRONMENTAL CONSIDERATIONS — dBA Reducing NoiseStructure-BorneNoise Airborne NoiseFigure 5. Reducing Noise Acoustic MaterialENVIRONMENTAL CONSIDERATIONS — dBA Acoustic MaterialMounting on a Slab Floor Access to SetMOUNTING FOUNDATION MountingFigure 7. Typical Footing MOUNTING FOUNDATIONMounting Foundation Figure 6. Typical FoundationLocation MOUNTINGTHE GENERATOR SETGeneral Information Vibration IsolatorsVibration Isolators Installation and Adjustment ProcedureMOUNTING — VIBRATION ISOLATORS Set mounted radiator-cooledgenerator setsDiesel Fuel MECHANICAL INSTALLATION — FUEL SYSTEM DIESELFuel System Installation MECHANICAL CONNECTIONS IntroductionSubbase Tank MECHANICAL INSTALLATION — FUEL SYSTEM DIESELSupply Tank Lower than Engine Installation Supply Tank Higher than Engine InstallationFlex Diesel Fuel SupplyMECHANICAL INSTALLATION — FUEL SYSTEM DIESEL FlexPipeline Natural Gas Energy ContentBTU Content Gaseous FuelsGaseous Fuel Supply ContaminantsOutside Pipe and Tube SizingPipe Size in LengthLength Pipe Size in•DO NOT tamper with relief valves MECHANICAL INSTALLATION — FUEL SYSTEM•Open any valve SLOWLY •Make sure all unloading connections are tightFire Protection Fuel Storage RegulationsEnvironmental Protection MECHANICAL INSTALLATION — FUEL SYSTEMFigure 14. Mounting Exhaust Thimble MECHANICAL INSTALLATION — EXHAUST SYSTEMExhaust System Installation Field Installing A Generator Exhaust SystemMECHANICAL INSTALLATION — EXHAUST SYSTEM Figure 15. Condensation Trap MECHANICAL INSTALLATION — EXHAUST SYSTEMPipes and Mufflers Exhaust System Installation Reference DataMECHANICAL INSTALLATION — EXHAUST SYSTEM Table 20. Heat Losses from Uninsulated ExhaustHow BatteriesWork MECHANICAL INSTALLATION — BATTERY SYSTEMPurpose of the Battery MQ Power BatteriesBattery Starting Systems MECHANICAL INSTALLATION — BATTERY SYSTEMEngine Starting System Preparation of Dry Charged & MECHANICAL INSTALLATION — NEW BATTERYNew Battery Installation Preparation of Charged and Wet BatteriesCharged and Moist Batteries — Activation MECHANICAL INSTALLATION — NEW BATTERYRemoving Old Battery Dry Charged Batteries continuedBatteryTesting BATTERY SYSTEM —TESTINGBATTERYStep Three 3 - Load Procedure Figure 18. Battery Testing Chart BATTERY SYSTEM — BATTERYTESTING CHARTBattery Storage BATTERY SYSTEM — CHARGING BATTERYCharging LowWater-lossBatteries Temperature Compensation BATTERY SYSTEM — BATTERY CHARGERBattery Charger Introduction Auto Boost FeatureFC1224-10-2011UBattery Charger BATTERY SYSTEM — BATTERY CHARGERFC & FCA Battery Charger LC1224-500-2Battery ChargerBattery Charger Installation BATTERY SYSTEM — BATTERY CHARGER SAFETYBattery Charger Safety Vents and Ducts MECHANICAL INSTALLATION —VENTILATIONAND COOLINGEngine Cooling Ventilation and CoolingLouvers MECHANICAL INSTALLATION —VENTILATIONAND COOLINGFigure 25. Factory Mounted Radiator Factory Mounted RadiatorVentilationRadiator Set Requirements Mounted Radiator Cooling SystemFigure 26. Duct Air Installation Remote Radiator Cooling optional MECHANICAL INSTALLATION — REMOTE RADIATOR COOLINGRemote Radiator Cooling MECHANICAL INSTALLATION — REMOTE RADIATOR COOLINGFigure 27. Remote Radiator Installation Hot Well Installation MECHANICAL INSTALLATION — HOTWELL COOLINGHeat Exchanger MECHANICAL INSTALLATION — HEAT EXCHANGER COOLINGCoolantTreatment COOLANT TREATMENTCoolant Heaters Terminal Block Wiring ELECTRICAL INSTALLATION — DC CONTROLWIRINGControl Wiring Remote Control / Monitor ConnectionsControl Box DC CONTROL WIRING — CONTROL BOX BACK PANELUSE COPPER WIRE ONLY, MINIMUM SIZE 4 AWG DC CONTROLWIRING — CONTROL BOX BACK PANELL3 3 PH TORQUE TO 120 LB - INFigure 34. Generator Set Wire Diagram DC CONTROL WIRING — CONTROL BOX BACK PANELOverview Transfer SwitchAC ELECTRICAL CONNECTIONS Before starting the genset, verifyGenerator Main Line Circuit Breaker AC ELECTRICAL CONNECTIONSSizing A Generator Main Line Circuit Breaker breaker Electrical TerminationsAC ELECTRICAL CONNECTIONS mounted fuel tank is used, the electrical stub-upLoad Balancing AC WIRING GeneratorVoltage ConnectionsLoad Connections Connecting the Load AC ELECTRICAL CONNECTIONS — SYSTEM GROUNDING4-PoleATS AC ELECTRICAL CONNECTIONS — SYSTEM GROUNDINGSystem Grounding continued 3-PoleATSEquipment Grounding AC ELECTRICAL CONNECTIONS — EQUIPMENT GROUNDINGElectrical Distribution System ELECTRICAL DISTRIBUTION SYSTEMFigure 38. Typical Electrical Distribution System Ventilation Battery ConnectionsPRE-STARTPREPARATION GeneralRun the Generator Set PRE-STARTPREPARATIONGeneral APPENDIX — INSTALLATION CHECKLISTINSTALLATION CHECKLIST AC and DC WiringFOR MQ POWER INDUSTRIAL GENERATORS APPENDIX — MAIN-LINECIRCUIT BREAKERBreaker APPENDIX — MAIN-LINECIRCUIT BREAKERFOR MQ POWER INDUSTRIAL GENERATORS cont ABB orMQP50IZ APPENDIX — GENERATOR SPECIFICATIONSGenerator Model MQP20IZEnvironmental Operation APPENDIX — GENERATOR SPECIFICATIONSMQP350IV APPENDIX — GENERATOR SPECIFICATIONSGENERATOR MQP300IVMQP30DZ APPENDIX — ENGINE SPECIFICATIONSGENERATOR MODEL MQP20IZMQP125IV APPENDIX — ENGINE SPECIFICATIONSGENERATOR MODEL MQP100IVMQP350IV APPENDIX — ENGINE SPECIFICATIONSGENERATOR MODEL MQP300IVMQP45GM APPENDIX — ENGINE SPECIFICATIONSGENERATOR MODEL MQP30GMTABLE 29. MQ POWER GENERATOR DIMENSIONS & WEIGHTS APPENDIX — DIMENSIONS AND WEIGHTSCONTINUED FROM PREVIOUS PAGE APPENDIX — DIMENSIONS ANDWEIGHTSGENERATOR MQPOWERSERVICEDEPARTMENT HERES HOW TO GET HELPAPPLICATION & INSTALLATION MANUAL NUMBER ON-HAND WHEN CALLING