Xantrex Technology 3000 manual Alternators and Charging Systems, Charging System Requirements

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C Alternators and Charging Systems

A good charging system is important for the health of your batteries. Poor recharging methods can quickly damage batteries.

Appendix C provides guidelines for recharging batteries from an alternator, from AC power, and from alternate energy sources.

Charging System Requirements

Your charging system should be capable of delivering a charging current equal to 25% of the amp-hour capacity of your battery. For example, if you have a 200 Ah battery, the charging system should be able to deliver 50 A. The charging system must also be able to charge each 12 V battery up to approximately 14.4 V and then drop back to a “float” voltage of 13.5–14 V (or shut off).

CAUTION

Never operate the inverter directly from an alternator. To work properly, the inverter must be connected to a battery or a well-regulated, high-current DC power supply.

C–1

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Contents Owner’s Guide XPower Inverter 3000 PlusDate and Revision Audience About This GuidePurpose ScopeRelated Information Conventions UsedImportant Safety Instructions Precautions When Working With Batteries Explosive gas precautionsPrecautions for Using Rechargeable Appliances Viii Contents Specifications TroubleshootingOperation Alternators and Charging Systems Battery TypesXii Introduction Quality PowerComprehensive Protection Ease of UseRemote On/Off Switch FeaturesDimensions of Remote On/Off Switch AC Panel Feature DescriptionRemote On/Off Connector Port For connecting the Remote On Positive DC Cabling Terminal always connects to the cable DC PanelDesigning Your Installation Installation1Configuration for Normal Loads Calculating Battery Requirements Installation CodesChoosing an Effective Charging System Choosing an Appropriate Location Inverter must only be installed in a location that isCalculating Size of DC Input Cables Calculating Cable SizesCalculating Size of Chassis Ground Cable To select the correct fuse type and size Calculating Fuse/Circuit Breaker SizeSafety Instructions Installing the inverterInstallation Tools and Materials Installing the Remote On/Off Switch Overview of Installation StepsTo mount the inverter Mounting the InverterAC Connections Connecting the Chassis GroundGrounding Locations DC Disconnects and Over-Current DevicesTo make the DC connections Connecting the DC CablesInstallation Connecting the DC Cables Page Turning the Inverter On and Off OperationOperating Several Loads at Once Display Screen Turning the Inverter Off Between ChargesOperating Limits Power OutputInput Voltage High Surge Loads Inverter LoadsTrouble Loads Recharging Your Batteries Routine MaintenancePage Television Reception TroubleshootingCommon Problems Buzz in Audio EquipmentTroubleshooting Reference Consumer Hotline Page Physical Specifications SpecificationsElectrical Performance Page Deep-Cycle Batteries Battery TypesBattery Types Automotive Starting BatteriesBattery Size To determine how much battery capacity you need Estimating Battery RequirementsPer Day Hours = a x B Battery Sizing ExampleBattery Sizing Worksheet Two Separate Battery Banks Using Multiple Batteries Two Batteries Connected In Parallel Battery Tips Following table Charging System Requirements Alternators and Charging SystemsCharging With an Engine Alternator Using a Standard Vehicle AlternatorUsing an Alternator Controller Using a High-Output AlternatorCharging From Alternative Energy Sources Charging From AC PowerPage Warranty Warranty and Product InformationWA-2 975-0128-01-01 Product DisclaimerExclusions Return Procedure Return Material Authorization PolicyOut of Warranty Service Purchased From Purchase Date Information About Your System

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