Xantrex Technology ACCB-L-L1 manual Step-down Configurations 240 Vac to 120 Vac

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Wiring for Off-Grid Applications

Step-down Configurations (240 Vac to 120 Vac)

The following illustration shows the complete wiring for the ACCB-L-L1, TX Autotransformer, and a SW Plus Inverter for a Step-down Configuration to use a 240 Vac-Only Generator.

Figure 2-16Wiring an Off-grid Application Using a Single Inverter and TX Autotransformer in a Step- Down Configuration

973-0031-01-01 Rev A

2–21

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Contents Sine Wave Plus Long AC Conduit Box Owner’s Guide Page Sine Wave Plus Long AC Conduit Box Date and Revision Organization PurposeScope AudienceAbbreviations and Acronyms Conventions UsedRelated Information Important Safety Instructions Certifications Explosive gas precautionsContents Operation Figures Page Tables Xii Introduction 1The Sine Wave Plus ACCB-L Basic IntroductionACCB-L-L1 ACCB-L ACCB-L-L1 Specifications3ACCB-L Dimensions not to scale For more information see , Operation in this guide AC Bypass Switch Assembly5Blockoff Plates Blockoff PlatesPage Installation Installation Tools and Materials Preparing for the InstallationCode Compliance Off-Grid Configurations Configuration PlanningOn-Grid Configurations Service Planning Pre-InstallationLocation 12 305 mm Required Shock Hazard Warning Label Ventilation RequirementsRemoving and Replacing the Cover 3Cover Removal and Replacement4The Blockoff Plate on the Long AC Conduit Box Installing or Removing the Blockoff Plates5SW Plus Inverter, AC Side Showing Knockout Location Knockout Preparation6Knockouts Locations 7Installing Additional Breakers on the DIN Rail Installing Additional BreakersMounting on the Xantrex Back Plate XBP Mounting9Installing the ACCB-L on the Backplate To mount the Long AC Conduit Box on plywood Mounting on PlywoodWiring General 1Torque Values for Wiring Wire Sizes and Disconnect Requirements11ACCB-L Approved Internal Components 12ACCB-L-L1 Internal Components Factory installed Installation Single Inverter Configurations 120 Vac Wiring for Off-Grid ApplicationsInstallation Step-down Configurations 240 Vac to 120 Vac Installation Step-up Configuration Deep Well Pump 120 Vac to 240 Vac Dual Inverter Configurations 120 Vac and 240 Vac 20Wiring an On-grid Application Using a Single Inverter Wiring for On-Grid ApplicationsInstallation Step-up Configurations Utility Backup 120 Vac to 240 Vac Dual Inverter Configurations 120 Vac and 240 Vac 24Accessory Wiring for Single-Inverter Configurations Additional Accessory Wiring25Accessory Wiring for Dual-Inverter Configurations Operation Operating the AC Bypass Switch AC Bypass SwitchBypass Operation Normal OperationAC Input/Output Off Dual Inverters 240 Vac LoadsWarranty Warranty and Return InformationProduct DisclaimerExclusions Return Procedure Return Material Authorization PolicyOut of Warranty Service Serial Number Purchased From Purchase Date Information About Your SystemIndex IX-2 Rev a Page Xantrex Technology Inc