AC Grounding for Single-Inverter Systems | Xantrex Technology

Alternate System Configurations

AC Grounding for Single-Inverter Systems

This illustrates an example only. Actual ground requirements may vary.

Figure C-3Grounding the AC System

C–4	975-0239-01-01

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Xantrex Technology XW4024-120/240-60, XW4548-120/240-60, XW6048-120/240-60 manual AC Grounding for Single-Inverter Systems

Contents

XW Power System Page XW Power System Date and Revision Organization PurposeScope Audience Conventions Used Related Information Important Safety Instructions FCC Information to the User Explosive Gas PrecautionsLimitations on Use Contents Xanbus Network Installation XW Solar Charge Controller Installation XW System Accessories Installation Appendix C Alternate System Configurations Appendix a SpecificationsAppendix B Wiring Diagrams Figures Figures Tables Xiv Introduction For this Topic See System Diagram System Overview XW Conduit Box System Components and AccessoriesXW Inverter/Charger XW Power Distribution Panel Panel and XW Conduit Box 4Power Distribution Panel and XW Conduit Box XW Connection Kit for INV2 5XW Connection Kit for INV2 XW Solar Charge Controller XW System Control Panel XW Automatic Generator Start Automatic Generator StartPage Inverter/ChargerInstallation Knockout Preparation Pre-InstallationLocation Clearance Requirements Mounting Structure Required Fastener Per Bracket Installing the Mounting Plate1Mounting Plate Fastener Recommendations Installing the Mounting Plate Mounting the Inverter 4Mounting the XW Inverter/Charger Mounting the XW Power Distribution Panel and XW Conduit Box 5Installing the XW Conduit Box Wiring the Inverter 6Routing Communications Cables Batteries Battery Bank RequirementsBattery Cable Requirements Torque Values for the XW Series Inverter/Charger 2Recommended Battery Cable Size Versus Length3Battery Cable in conduit to Maximum Breaker/Fuse Size Torque Values for the XW Power Distribution Panel Inverter GroundingBackfeed Protection Requirements In-lbs Wiring the Inverter to the XW Power Distribution Panel Grounding the DC System Installing the Battery Temperature Sensor To install the Battery Temperature Sensor To connect the XW Power Distribution Panel to the inverter Making DC Connections Wiring the Inverter Making AC Connections AC Connections and Communication Ports Accessing the AC Terminal Block and AC Ground Bar 13AC Terminal Block 14Grounding the AC System using the Distribution Panel Grounding the AC System AC Wiring to the Inverter AC Distribution Panel AC Wiring to the XW Power Distribution Panel Inverter/Charger Installation 16Wiring the Inverter to the XW Power Distribution Panel 17Generator Wiring Using a XW Power Distribution Panel AUX Port AUX+12V Voltage Supply AUX-RPO User Remote Power Off RPO User Line Wiring11User Connector Terminals and Functions AUX Port Terminal Assignments Applying DC Power to the Inverter To apply DC power to the inverterBasic Functional Test Single Inverter Confirm All Connections To disable the inverter Enable the InverterTo enable the inverter Confirming Battery Charger Operation To confirm battery charger operationAC Voltage Check To perform an AC voltage check 23Functional Test for Single Inverter Systems To install multiple inverters Installing Additional InvertersInstallation Steps Parts List for Dual-Inverter Configurations DC Wiring for a Dual-Inverter System 24DC Connections to Dual Inverters AC Wiring for a Dual-Inverter System From Main AC Distribution Panel From Generator Disconnect 26AC Wiring for Dual-Inverter Systems Parts List for a Triple-Inverter Configuration DC Wiring for a Triple-Inverter System 27DC Connections for a Triple-Inverter System AC Wiring for a Triple-Inverter System From Generator Disconnect To Inverter AC Distribution Panel or Transfer Switch To install the AC Sync and Xanbus cables between inverters Xanbus and AC Sync Cable Basic Functional Test Multiple Inverters To perform a functional test on multiple inverters Inverter/Charger Installation 32Functional Test for Multiple Inverters Page 1 33Functional Test for Multiple Inverters Page 2 Installation For this Topic Xanbus-enabled Devices Xanbus System Conductor Name 1T568A Standard WiringNetwork Components 2Xanbus Cable and RJ45 Connector Pin Numbers Ordering Network Components Network LayoutsMulti-Drop Backbone Layout 2Xanbus Network Components and Part Numbers Daisy Chain Layout 5Multi-Drop Backbone Layout Installing the Network Before You Begin the InstallationInstallation Tools and Materials Guidelines for Routing the Xanbus Cables Mounting a Network Connector To mount a network connector3Minimum and Maximum Cable Length Cable Length Minimum Maximum Installing Xanbus-Enabled Devices To install the Xanbus-enabled devicesCompleting the Multi-Drop Backbone Layout To complete the multi-drop backbone layout Completing the Daisy Chain Layout To complete the daisy chain layout XW Solar Charge Controller Installing the Charge Controller PV Array RequirementsArray Size Array Voltage Mounting Mppt Voltage RangeChoosing a Location 1MPPT Operational Window Minimum Clearance Requirements Location Minimum Clearance Removing the Wiring Terminals Cover Removing Knockouts 4Knockout Dimensions Mounting the Controller Xantrex XW Solar Charge Controller Safety Ground Connector Grounding Wire Size and Over-current Protection Requirements WiringDC Terminal Connector Locations Battery Circuit PV Circuit 4One-Way Wire Distance and Wire Size for a 24 Vdc System 5One-Way Wire Distance and Wire Size for a 48 Vdc System To connect the XW Solar Charge Controller 8Connecting Solar DC Sources in the Power Distribution Panel Commissioning Configuration ScreensCommissioning Units Using a XW System Control Panel To copy the XW Solar Charge Controller setup to another unit XW Solar Charge Controller Installation XWInstallationSystem Accessories XW System Control Panel 1XW System Control Panel Xanbus Port Locations Materials and Tools Required Mounting the XW System Control Panel 2Inserting the Mounting Plate 4Connecting the Network Cables To surface mount the XW System Control Panel 6Surface Mounting the XW System Control Panel Verifying the Installation Preparing an InstallationXW Automatic Generator Start Materials and Tools Required Choosing a Location Routing the ConnectionsDry Cool Safe Installing the XW Automatic Generator Start 8XW Automatic Generator Start External Connections Wiring to the 20-contact Connector Mounting the UnitTo mount the XW Automatic Generator Start 1Circuit Limitations Required Wiring Size Based on Length of Cable WireNumber Function Wire Color Ft m Over 30 ft m Connecting the Generator Connecting the Thermostats optional Connecting an External Shutdown optional4Wiring for Connecting Thermostats 5Wiring for Connecting an External Shutdown Connecting an External Manual ON/OFF Switch optional 6Wiring for Connecting an External Manual ON/OFF Switch Connecting an External ON/OFF LED 975-0239-01-01 11XW Automatic Generator Start External Connections 12Connecting the SCP Verifying Power Is Available 13Verifying Power is Available Specifications Model XW6048-120/240-60 XW4548-120/240-60 XW4024-120/240-60 Electrical SpecificationsTable A-1XW Power System Electrical Specifications XW Series Overload Capability Figure A-1 XW Series AC Overload Capability 975-0239-01-01 Inverting Efficiency Typical Output Power Versus Ambient TemperatureXW Series Efficiency Mechanical Specifications Sell Mode Efficiency TypicalTable A-2XW Power System Mechanical Specifications Charging Efficiency Typical Accessories Accessory Part Number Wiring Diagrams For SeePage Single-Inverter System Backup only Wiring Diagrams 975-0239-01-01 Wiring DiagramSingle-Inverter System Renewable Energy Solar Single-Inverter System Renewable Energy Wind or Hydro Dual-Inverter System Renewable Energy Solar Figure B-4Dual-Inverter System Renewable Energy Solar Dual-Inverter System Renewable Energy Wind or Hydro Wiring Diagram 975-0239-01-01 Configurations DC Grounding for Single-Inverter Systems Figure C-1DC Grounding for an Inverter only Battery Connections for Single Inverter Systems Figure C-2DC Connections to a Single Inverter AC Grounding for Single-Inverter Systems Figure C-3Grounding the AC System AC Output Wiring to the Inverter AC Distribution Panel Generator Wiring to the Inverter Figure C-5Generator Wiring directly to the Inverter Utility Wiring to the Inverter Input Figure C-6Utility Wiring to the Inverter Input Figure C-7Connecting Wind or Hydro DC Sources Wind or Hydro DC Sources 975-0239-01-01 IX-1 IX-2 975-0239-01-01 Page Xantrex Technology Inc