6Parallel GT Inverter DC and AC Wiring | Xantrex Technology GT3.0

Connecting Inverters in Parallel

Figure 3-6Parallel GT Inverter DC and AC Wiring

975-0131-01-01

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Xantrex Technology GT3.0 owner manual 6Parallel GT Inverter DC and AC Wiring

Contents

Xantrex Grid Tie Solar Inverter Page Xantrex Grid Tie Solar Inverter Date and Revision Organization ScopeAudience Abbreviations and Acronyms Conventions Used Related Information Page Important Safety Instructions To locate the firmware version number Regulatory ComplianceFCC Information to the User Purpose Verification and Commissioning TestCommissioning Test Verification TestPage Contents Maintenance and Troubleshooting Wiring the InverterStarting the Inverter Monitoring the Inverter Index SpecificationsWarranty and Return Information Xiv Figures Xvi Tables Xviii Introduction Xantrex GT Inverter About the Xantrex Grid Tie Solar Inverter Mppt Standard Features 2Main Features of the GT Inverter Optional Features 3Safety and Data Label Locations Safety and Standards Removable Components Wiring Box standard on North American models Optional Heat Sink Cover and Fan GT3.0-aa 2-bb-230 Model Configurations1GT Inverter Models Installation Planning the Installation Installation OptionsSingle Inverter Installation Multiple Inverter Installations Multiple Inverter Installation Single Inverter Installation Inverter Location General Recommendations Equipment and Installation RecommendationsPV Array Requirements 1MPPT Operational Window Voltage Effect of Array Voltage Inverter ModeVoltage and Mppt Requirements Planning the Installation Long Distance Grounding Grounding RequirementsLightning Protection AC Grounding 2Basic Grounding Overview Xantrex GT Inverter Wiring Box 3Long Distance Grounding Overview 4Grounding With Extra Lightning Protection Overview Routing the Wires Planning DC Wire Routing Planning AC Wire Routing Wiring Preparing for the InstallationCircuit Breakers and Disconnect Switch AC Circuit Breaker Requirements Ground Fault Fuse AC/DC Disconnect SwitchOther Materials Needed Equipment Needed Overview Mounting the Inverter Knockout Preparation Dimensions and Knockout LocationsPreparing to Mount the Unit 7Dimensions of GT Inverter and Knockout Locations Installing the Mounting Bracket Location Minimum Clearance Clearance Requirements2Inverter Clearance Requirements Surfaces for Mounting Ground Floor To mount the unit using polesMounting on Poles or Rails To mount the GT Inverter to wallboard, siding, or concrete Mounting on Wallboard, Siding or Concrete To mount the inverter on the mounting bracket Mounting the Inverter on the BracketMounting a Single Inverter Mounting Multiple Inverters in Parallel Installing AccessoriesInstalling the Fan Assembly 12Attaching the fan assembly To attach the fan assembly to the inverter 13Location of Fan Connector To connect the fan wires To remove the heat sink cover from the inverter Installing the Heat Sink CoverTo install the heat sink cover on the inverter Wiring the Inverter To remove the wiring box cover Accessing the Wiring Terminals 2AC and DC Terminal Block Location in the Wiring Box 3AC/DC Disconnect Switch Positions Connecting the DC Wiring Wire Size Torque To wire the PV array to GT Inverter1Torque Values for Wires 4DC Connections for Grounded PV Array Xantrex GT Inverter Wiring Box Connecting the AC Wiring To wire the main utility service panel to the GT Inverter Xantrex GT InverterService Panel Wiring Box 5AC Connections from GT Inverter to Utility Service Panel To wire the PV array to GT Inverters in parallel Connecting Inverters in ParallelDC and AC Wiring for Inverters in Parallel 6Parallel GT Inverter DC and AC Wiring Xanbus Network Technology Communications Wiring for Inverters in Parallel Male Network Terminator 9Xanbus RJ45 Ports in the GT Inverter Wiring Box 2T568A Standard Wiring RJ45 Connector RequirementsCabling Requirements Conductor Name CAT 5 Cable Insulation Color 3Network Components and Part Numbers Guidelines for Routing the Network CablesPurchasing Network Components Wiring the Inverter 11Communications Wiring for GT Inverters in Parallel Page Starting the Inverter Checking the PV Array DC Voltage Startup ProcedureChecking the AC Utility Voltage To check the PV array DC voltage To replace the front panel cover Replacing the Wiring Box CoverTo replace the wiring box cover To start up the inverter Starting up the GT Inverter Monitoring the Inverter 1Front Panel LCD Location Monitoring the Front Panel Display Front Panel Display Screens and What They Mean Startup Mode1Startup Screens on GT Inverter Front Panel Display Display Duration Description To view more Normal Operation information 2Normal Operation Default Screen3Normal Operation Screens for All GT Inverter Units Display 5Offline Mode Default Display Offline ModeTo view unit-specific screens in a multiple unit system Multiple Unit System Offline Mode Screens for All GT Inverter Units Fault ModeMultiple Unit 25kWh 8Fault Message Screens VoltageFault Display Description Additional Fault Mode ScreensSpecial Screens 10Special Message Screens Status Indicator Lights11Status Indicator LEDs LEDonMeansGreen LED Maintenance PV Array Factors Factors Affecting GT Inverter Performance Other Factors Performing General MaintenanceReplacing Parts To replace a ground fault protection fuse Replacing the Ground Fault Protection Fuse 1Location of Fuse, Front Panel Cover Removed Replacing the Inverter To remove the inverter from the wiring box To replace the inverter on the wiring box 2Inverter and Wiring Box Sections 1Troubleshooting the GT Inverter Identifying Error/Fault Conditions and Solutions Specifications Input Electrical SpecificationsOutput GT3.0 European Adjustment Range Setting Adjustable Disconnect SettingsOutput Power Versus Ambient Temperature Figure A-2Typical Efficiency Efficiency User Display Environmental SpecificationsMechanical Specifications GT Fan Kit includes fan assembly and heat sink cover Accessories Warranty Warranty and Return Information Exclusions DisclaimerProduct Out of Warranty Service Return Material Authorization PolicyReturn Procedure PV Details Information About Your SystemInverter Details Index Port 3-13, 5-7 Torquing 3-5, 3-10 wire sizes IX-4 Page Xantrex Technology Inc