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

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Alternate System Configurations

C–2 975-0239-01-01

DC Grounding for Single-Inverter Systems

See Table2-4, “Torque Values for AC Wiring (AC Terminals and Ground Bar),” on

page 10.

See Table2-5, “Torque Values for the Chassis Ground Lug,” on page 10.

See Table2-6, “Torque Values for the Inverter Battery Terminals,” on page10.

Figure C-1

DC Grounding for an Inverter only

This illustrates an example only. Actual

ground requirements may vary.

Contents

Main Page Page Page About This Guide Purpose Scope Audience Organization Conventions Used Related Information WARNING CAUTION Important Safety Instructions WARNING Limitations on Use Explosive Gas Precautions FCC Information to the User WARNING: L imitations o n Use Contents Important Safety Instructions 1 2 Introduction 3 Xanbus Network Installation 4 XW Solar Charge Controller Installation 5 XW System Accessories Installation Page Figures Page Tab le s Page Page System Overview System Diagram System Components and Accessories XW Inverter/Charger XW Conduit Box XW Power Distribution Panel Panel and XW Conduit Box System Components and Accessories 975-0239-01-01 15 XW Connection Kit for INV2 Figure 1-5 XW Connection Kit for INV2 XW Solar Charge Controller XW System Control Panel XW Automatic Generator Start Page 2 Installation Pre-Installation Location Knockout Preparation WARNING: Personal Injury WARNING: Explosion and Corrosion Hazard Clearance Requirements Mounting Step 1: Installing the Mounting Plate Step 1: Installing the Mounting Plate 975-0239-01-01 25 Figure 2-3 Mounting the Bracket for the XW Inverter/Charger or Distribution Panel 1 2 3 4 5 Step 2: Mounting the Inverter Step 3: Mounting the XW Power Distribution Panel and XW Conduit Box 975-0239-01-01 27 Step 3: Mounting the XW Power Distribution Panel and XW Conduit Box Figure 2-5 Installing the XW Conduit Box A B Step 4: Wiring the Inverter Batteries Battery Bank Requirements Battery Cable Requirements WARNING: F ire Hazard Torque Values for the XW Series Inverter/Charger Torque Values for the XW Power Distribution Panel Inverter Grounding Backfeed Protection Requirements Wiring the Inverter to the XW Power Distribution Panel Grounding the DC System Installing the Battery Temperature Sensor Making DC Connections CAUTION: Reverse Polarity Damage Figure 2-11 DC Connections to a Single Inverter Using a XW Power Distribution Panel Making AC Connections CAUTION: AC Connections and Communication Ports Damage to the Inverter Step 4: Wiring the Inverter Accessing the AC Terminal Block and AC Ground Bar Figure 2-13 AC Terminal Block Grounding the AC System Important: AC Wiring to the Inverter AC Distribution Panel AC Wiring to the XW Power Distribution Panel CAUTION: Damage to the Inverter Page Page Generator Wiring to the XW Inverter/Charger using a XW Power Distribution Panel AUX Port AUX+12V Voltage Supply AUX-RPO: User Remote Power Off (RPO) User Line Wiring AUX Port Terminal Assignments Basic Functional Test - Single Inverter Confirm All Connections Applying DC Power to the Inverter CAUTION: Reverse Polarity Damage Enable the Inverter AC Voltage Check Confirming Battery Charger Operation Important: Page Step 5: Installing Additional Inverters Installation Steps Parts List for Dual-Inverter Configurations Converting a Single-Inverter Power Distribution Panel to a Dual-Inverter Power Distribution Panel DC Wiring for a Dual-Inverter System Page AC Wiring for a Dual-Inverter System Page Parts List for a Triple-Inverter Configuration Converting a Single-Inverter Power Distribution Panel to a Triple-Inverter Power Distribution Panel DC Wiring for a Triple-Inverter System Page AC Wiring for a Triple-Inverter System Step 5: Installing Additional Inverters Figure 2-29 975-0239-01-01 237 Triple-Inverter AC Breaker Arrangement and Wiring Enlargement with a Single AC Input Source Figure 2-30 Wiring an External Bypass Switch for a Triple-Inverter Configuration Xanbus and AC Sync Cable Basic Functional Test - Multiple Inverters Page Page Page 3 Xanbus-enabled Devices The Xanbus System Network Components Important: Page Ordering Network Components Network Layouts Multi-Drop Backbone Layout Daisy Chain Layout Installing the Network Before You Begin the Installation Installation Tools and Materials Guidelines for Routing the Xanbus Cables Mounting a Network Connector Installing Xanbus-Enabled Devices Completing the Multi-Drop Backbone Layout Completing the Daisy Chain Layout CAUTION: Unpredictable device behavior 4 Installing the Charge Controller PV Array Requirements Array Size Array Voltage Array Current Mounting Choosing a Location WARNING: Explosion/Corrosion Hazard Removing the Wiring Terminals Cover Removing Knockouts Mounting the Controller xantrex Grounding xantrex WARNING: Fire Hazard Wiring DC Terminal Connector Locations ++ -- Wire Size and Over-current Protection Requirements WARNING: Equipment damage Wiring Table 4-4 975-0239-01-01 411 One-Way Wire Distance and Wire Size for a 24 Vdc System Table 4-5 One-Way Wire Distance and Wire Size for a 48 Vdc System Connecting the XW Solar Charge Controller to the Distribution Panel Page Commissioning Configuration Screens Commissioning Units Using a XW System Control Panel Page Note: Page The XW System Control Panel Materials and Tools Required Choosing a Location Mounting the XW System Control Panel WARNING: Explosion hazard Page Page Page Verifying the Installation The XW Automatic Generator Start Preparing an Installation Materials and Tools Required Choosing a Location Routing the Connections WARNING: Explosion Hazard WARNING: Shock and Energy Hazards Installing the XW Automatic Generator Start Mounting the Unit Wiring to the 20-contact Connector CAUTION: Shock Hazard WARNING: Fire, Shock, and Energy Hazards Page Connecting the Generator Connecting the Thermostats (optional) Connecting an External Shutdown (optional) Important: Connecting an External Manual ON/OFF Switch (optional) Page Connecting the Wiring Harness to the XW Automatic Generator Start Connecting the XW Automatic Generator Start to the Xanbus Network CAUTION: Equipment Damage Verifying Power Is Available Page Electrical Specifications Table A-1 XW Power System Electrical Specifications XW Series Overload Capability Specifications A4 975-0239-01-01 Output Power Versus Ambient Temperature Output Power Versus Ambient Temperature Figure A-2 Inverting Efficiency (Typical) XW Series Efficiency Mechanical Specifications XW Power System Mechanical Specifications Accessories Table A-2 XW Power System Mechanical Specifications B Page Page Page Page Page Page Page Page DC Grounding for Single-Inverter Systems Battery Connections for Single Inverter Systems Page Page Generator Wiring to the Inverter Utility Wiring to the Inverter Input Page A B C D E T U V W X