Manuals / Multiquip / Lawn and Garden / Portable Generator

Multiquip MQP20IZ, MQP40IZ Dc Control Wiring — Control Box Back Panel, Generator Set Wire Diagram

Models: MQP60GM MQP30DZ MQP30GM MQP50IZ MQP60IV MQP45GM MQP40IZ MQP20IZ

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Figure 34. Generator Set Wire Diagram

DC CONTROL WIRING — CONTROL BOX BACK PANEL

Figure 34. Generator Set Wire Diagram

PAGE 72 — INDUSTRIAL GENERATOR SETS — APPLICATION & INSTALLATION MANUAL — REV. #4 (09/07/07)

Image 72

Multiquip MQP20IZ, MQP40IZ, MQP45GM, MQP60IV, MQP50IZ Dc Control Wiring — Control Box Back Panel, Generator Set Wire Diagram

Contents

APPLICATION & INSTALLATION MANUAL MQ POWERApplication & Installation Manual MQPOWERPage HERES HOW TO GET HELP NUMBER ON-HAND WHEN CALLINGMQPOWERSERVICEDEPARTMENT WARRANTYDEPARTMENTTABLE OF CONTENTS Mechanical InstallationElectrical Installation ApplicationNOTES PAGE SAFETY MESSAGE ALERT SYMBOLS FORYOUR SAFETY AND THE SAFETY OF OTHERSSAFETY MESSAGE ALERT SYMBOLS Lethal Exhaust GasesSAFETY MESSAGE ALERT SYMBOLS Accidental StartingRespiratory Hazard Over Speed ConditionsIMPORTANT SAFETY INSTRUCTIONS GENERAL SAFETYIMPORTANT SAFETY INSTRUCTIONS GENERAL SAFETYRADIATOR Operation Safety Maintenance SafetyEmergencies first aid kitBattery Safety IMPORTANT SAFETY INSTRUCTIONSFire Protection IMPORTANT SAFETY INSTRUCTIONSLifting the Generator Set IMPORTANT SAFETY INSTRUCTIONSSafety Considerations INTRODUCTIONIntroduction About This ManualINSTALLATION OVERVIEW Application and InstallationInstallation OverviewINSTALLATION OVERVIEW Cold Climates and Derating FactorsLocation Outdoor LocationsGenset Sizing Procedure GENSET SIZINGGenerator Set Sizing Calculations Step 1. Prepare a Load ScheduleGenerator Set Sizing Calculations Continued Step 2. Create a Generator Set WorksheetStep Sequence Guidelines GENSET SIZINGGENSET SIZING 765.7Figure 1. Genset Sizing Worksheets Example Two-StepLoading ApplicationStep 3. Enter Individual Load Characteristics Step 4. Enter Individual Load CharacteristicsGENSET SIZING Generator Set Sizing Calculations ContinuedStep 5. Select a Generator Set GENSET SIZINGGenerator Set Sizing Calculations Continued a.Establish the minimum size requiredGENSET SIZING — DETERMINING LOAD CHARACTERISTICS Determining Load Characteristics LightingSingle-PhaseInduction Motor Table 4. Single Phase Motor CharacteristicsGENSET SIZING — DETERMINING LOAD CHARACTERISTICS Three-PhaseInduction MotorsTable 5. NEMA Code Letter Multiplying Factor Determining Load Characteristics continued Calculate SkW as followsGENSET SIZING — DETERMINING LOAD CHARACTERISTICS Three Phase NEMA Motor Code Table GENSET SIZING — DETERMINING LOAD CHARACTERISTICS0.82 0.55Synchronous Motors Variable Frequency DrivesStatic UPS GENSET SIZING — DETERMINING LOAD CHARACTERISTICSENVIRONMENTAL CONSIDERATIONS — dBA Noise ConsiderationNoise Laws and Regulations Noise Level Measurement and Decibel / dBA UnitsComparison Chart dBA ENVIRONMENTAL CONSIDERATIONS — dBAFigure 2. dBA Comparison Chart Adding Additional Sound Sources Figure 3. dBA Comparison ChartENVIRONMENTAL CONSIDERATIONS — dBA Effects of Distance ENVIRONMENTAL CONSIDERATIONS — dBAFigure 4. Distance Effects on dBA Reducing Noise Structure-BorneNoiseAirborne Noise ENVIRONMENTAL CONSIDERATIONS — dBAAcoustic Material ENVIRONMENTAL CONSIDERATIONS — dBAAcoustic Material Figure 5. Reducing NoiseAccess to Set MOUNTING FOUNDATIONMounting Mounting on a Slab FloorMOUNTING FOUNDATION Mounting FoundationFigure 6. Typical Foundation Figure 7. Typical FootingMOUNTINGTHE GENERATOR SET General InformationVibration Isolators LocationInstallation and Adjustment Procedure MOUNTING — VIBRATION ISOLATORSSet mounted radiator-cooledgenerator sets Vibration IsolatorsMECHANICAL INSTALLATION — FUEL SYSTEM DIESEL Fuel System InstallationMECHANICAL CONNECTIONS Introduction Diesel FuelMECHANICAL INSTALLATION — FUEL SYSTEM DIESEL Supply Tank Lower than Engine InstallationSupply Tank Higher than Engine Installation Subbase TankDiesel Fuel Supply MECHANICAL INSTALLATION — FUEL SYSTEM DIESELFlex FlexEnergy Content BTU ContentGaseous Fuels Pipeline Natural GasContaminants Gaseous Fuel SupplyPipe and Tube Sizing Pipe Size inLength OutsidePipe Size in LengthMECHANICAL INSTALLATION — FUEL SYSTEM •Open any valve SLOWLY•Make sure all unloading connections are tight •DO NOT tamper with relief valvesFuel Storage Regulations Environmental ProtectionMECHANICAL INSTALLATION — FUEL SYSTEM Fire ProtectionMECHANICAL INSTALLATION — EXHAUST SYSTEM Exhaust System InstallationField Installing A Generator Exhaust System Figure 14. Mounting Exhaust ThimbleMECHANICAL INSTALLATION — EXHAUST SYSTEM MECHANICAL INSTALLATION — EXHAUST SYSTEM Figure 15. Condensation TrapExhaust System Installation Reference Data MECHANICAL INSTALLATION — EXHAUST SYSTEMTable 20. Heat Losses from Uninsulated Exhaust Pipes and MufflersMECHANICAL INSTALLATION — BATTERY SYSTEM Purpose of the BatteryMQ Power Batteries How BatteriesWorkMECHANICAL INSTALLATION — BATTERY SYSTEM Battery Starting SystemsEngine Starting System MECHANICAL INSTALLATION — NEW BATTERY New Battery InstallationPreparation of Charged and Wet Batteries Preparation of Dry Charged &MECHANICAL INSTALLATION — NEW BATTERY Removing Old BatteryDry Charged Batteries continued Charged and Moist Batteries — ActivationBATTERY SYSTEM —TESTINGBATTERY BatteryTestingStep Three 3 - Load Procedure BATTERY SYSTEM — BATTERYTESTING CHART Figure 18. Battery Testing ChartBATTERY SYSTEM — CHARGING BATTERY Battery StorageCharging LowWater-lossBatteries BATTERY SYSTEM — BATTERY CHARGER Battery Charger IntroductionAuto Boost Feature Temperature CompensationBATTERY SYSTEM — BATTERY CHARGER FC & FCA Battery ChargerLC1224-500-2Battery Charger FC1224-10-2011UBattery ChargerBATTERY SYSTEM — BATTERY CHARGER SAFETY Battery Charger InstallationBattery Charger Safety MECHANICAL INSTALLATION —VENTILATIONAND COOLING Engine CoolingVentilation and Cooling Vents and DuctsMECHANICAL INSTALLATION —VENTILATIONAND COOLING LouversFactory Mounted RadiatorVentilation Figure 25. Factory Mounted RadiatorMounted Radiator Cooling System Radiator Set RequirementsFigure 26. Duct Air Installation MECHANICAL INSTALLATION — REMOTE RADIATOR COOLING Remote Radiator Cooling optionalMECHANICAL INSTALLATION — REMOTE RADIATOR COOLING Remote Radiator CoolingFigure 27. Remote Radiator Installation MECHANICAL INSTALLATION — HOTWELL COOLING Hot Well InstallationMECHANICAL INSTALLATION — HEAT EXCHANGER COOLING Heat ExchangerCOOLANT TREATMENT CoolantTreatmentCoolant Heaters ELECTRICAL INSTALLATION — DC CONTROLWIRING Control WiringRemote Control / Monitor Connections Terminal Block WiringDC CONTROL WIRING — CONTROL BOX BACK PANEL Control BoxDC CONTROLWIRING — CONTROL BOX BACK PANEL L3 3 PHTORQUE TO 120 LB - IN USE COPPER WIRE ONLY, MINIMUM SIZE 4 AWGDC CONTROL WIRING — CONTROL BOX BACK PANEL Figure 34. Generator Set Wire DiagramTransfer Switch AC ELECTRICAL CONNECTIONSBefore starting the genset, verify OverviewAC ELECTRICAL CONNECTIONS Generator Main Line Circuit BreakerSizing A Generator Main Line Circuit Breaker Electrical Terminations AC ELECTRICAL CONNECTIONSmounted fuel tank is used, the electrical stub-up breakerAC WIRING GeneratorVoltage Connections Load Connections Connecting the LoadAC ELECTRICAL CONNECTIONS — SYSTEM GROUNDING Load BalancingAC ELECTRICAL CONNECTIONS — SYSTEM GROUNDING System Grounding continued3-PoleATS 4-PoleATSAC ELECTRICAL CONNECTIONS — EQUIPMENT GROUNDING Equipment GroundingELECTRICAL DISTRIBUTION SYSTEM Electrical Distribution SystemFigure 38. Typical Electrical Distribution System Battery Connections PRE-STARTPREPARATIONGeneral VentilationPRE-STARTPREPARATION Run the Generator SetAPPENDIX — INSTALLATION CHECKLIST INSTALLATION CHECKLISTAC and DC Wiring GeneralAPPENDIX — MAIN-LINECIRCUIT BREAKER FOR MQ POWER INDUSTRIAL GENERATORSAPPENDIX — MAIN-LINECIRCUIT BREAKER FOR MQ POWER INDUSTRIAL GENERATORS contABB or BreakerAPPENDIX — GENERATOR SPECIFICATIONS Generator ModelMQP20IZ MQP50IZAPPENDIX — GENERATOR SPECIFICATIONS Environmental OperationAPPENDIX — GENERATOR SPECIFICATIONS GENERATORMQP300IV MQP350IVAPPENDIX — ENGINE SPECIFICATIONS GENERATOR MODELMQP20IZ MQP30DZAPPENDIX — ENGINE SPECIFICATIONS GENERATOR MODELMQP100IV MQP125IVAPPENDIX — ENGINE SPECIFICATIONS GENERATOR MODELMQP300IV MQP350IVAPPENDIX — ENGINE SPECIFICATIONS GENERATOR MODELMQP30GM MQP45GMAPPENDIX — DIMENSIONS AND WEIGHTS TABLE 29. MQ POWER GENERATOR DIMENSIONS & WEIGHTSAPPENDIX — DIMENSIONS ANDWEIGHTS CONTINUED FROM PREVIOUS PAGEGENERATOR HERES HOW TO GET HELP APPLICATION & INSTALLATION MANUALNUMBER ON-HAND WHEN CALLING MQPOWERSERVICEDEPARTMENT