Xantrex GT 2.5-DE User Manual

Xantrex Grid Tie Solar InverterOwner’s ManualGT 2.5-DEGT 3.8-DEGT 2.8-SPGT 3.8-SP

Safetyviii 975-0253-01-01Regulatory ComplianceThe GT Inverter is CE Marked for the following Directives and standards:• Low Voltage Directive 73/23/EE

975-0253-01-01 ixImportant Safety Instructions- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -viiRegulatory Compl

Contentsx 975-0253-01-01Connecting Network Cable between Inverters - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3–12Communications

975-0253-01-01 xiFigure 1-1 Basic System Overview - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–2Figure 1-

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975-0253-01-01 xiiiTable 2-1 MPPT Operational Window - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–6Table 2-2 In

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1IntroductionChapter 1, “Introduction”, contains information about the features and functions of the Xantrex Grid Tie Solar Inverter.

Introduction1–2 975-0253-01-01About the Xantrex Grid Tie Solar InverterThe Xantrex Grid Tie Solar Inverter (GT Inverter) is designed to convert solar

About the Xantrex Grid Tie Solar Inverter975-0253-01-01 1–3PV compatibility The GT Inverter is designed to take advantage of solar modules configured

1–4

2InstallationChapter 2, “Installation”, provides information about planning for and installing the GT Inverter. It contains information to help you pl

Installation2–2 975-0253-01-01Installation OptionsThe GT Inverter may be installed as a single inverter for a single PV array of one or two PV strings

Planning the Installation975-0253-01-01 2–3Figure 2-1Installation Options OverviewUtility GridMain Utility ServicePanelUtilityMeterLoadsPower routed t

Installation2–4 975-0253-01-01Inverter LocationInverter failure due to improper installation will void the inverter warranty. Consider the following w

Planning the Installation975-0253-01-01 2–5PV Array RequirementsGeneral RecommendationsIt is important that the PV array is installed correctly to the

Installation2–6 975-0253-01-01Voltage and MPPT RequirementsMPPT operational windowThe MPPT software maximizes the output energy of solar arrays as lon

Planning the Installation975-0253-01-01 2–7Guidelines for Matching PV Array Size to Xantrex Grid Tie Solar Inverter InputFor determining the number of

Installation2–8 975-0253-01-01Lightning ProtectionReduce the risk of lightning damage by using a single-point grounding system. In this system, all gr

Preparing for the Installation975-0253-01-01 2–9Preparing for the InstallationEnsure your local utility is consulted for any requirements for connecti

Xantrex Grid Tie Solar InverterOwner’s Manual

Installation2–10 975-0253-01-01Mounting the InverterOverviewGeneral installation stepsInstalling of the GT Inverter includes these main steps:1. Mount

Mounting the Inverter975-0253-01-01 2–11This chapter describes the first step: mounting the inverter and installing accessories.Mounting steps Instruc

Installation2–12 975-0253-01-01Installing the Mounting BracketThe mounting bracket for the GT Inverter allows the unit to be easily mounted and remove

Mounting the Inverter975-0253-01-01 2–13Surfaces for MountingThe GT Inverter weighs approximately 19 kg (41 lb). The supporting surface must be strong

Installation2–14 975-0253-01-01Mounting on Poles or RailsTo mount the unit using poles:1. Ensure that poles or rails are securely assembled in place.

Mounting the Inverter975-0253-01-01 2–15Mounting on Wallboard, Siding or ConcreteTo mount the GT Inverter to wallboard, siding, or concrete:1. Locate

Installation2–16 975-0253-01-01Mounting the Inverter on the BracketBefore mounting the inverter, it is recommended to remove the communication ports c

3Wiring the InverterChapter 3, “Wiring the Inverter”, provides procedures for making DC and AC wiring connections for single and multiple inverter ins

Wiring the Inverter3–2 975-0253-01-01Connecting the DC WiringThe GT Inverter is equipped with four PV quick connects (two positive, two negative) for

Connecting the DC Wiring975-0253-01-01 3–3• Female and male DC cable connectors to mate with the Multi-Contact connectors PV-ADSP3/GWD (positive) and

About XantrexXantrex Technology Inc. is a world-leading supplier of advanced power electronics and controls with products from 50 watt mobile units to

Wiring the Inverter3–4 975-0253-01-01Figure 3-2DC Connections for a Two-String PV ArrayImportant:Depending upon installation and local codes, fusing a

Connecting the AC Wiring975-0253-01-01 3–5Connecting the AC WiringThe GT Inverter can be connected to a single bi-directional meter, or to dual meters

Wiring the Inverter3–6 975-0253-01-015. On the female terminal, connect the protective earth wire to the terminal marked with the ground (  ) symbol.

Connecting Multiple Inverters975-0253-01-01 3–7Connecting Multiple InvertersFor installations with multiple inverters, a separate PV array is required

Wiring the Inverter3–8 975-0253-01-01Communications Wiring for Multiple InvertersCommunications wiring between multiple GT Inverters allows informatio

Communications Wiring for Multiple Inverters975-0253-01-01 3–9Terminators Male network terminators (Figure 3-7) are required at both ends of the netwo

Wiring the Inverter3–10 975-0253-01-01Cabling RequirementsThe network uses Category 5 (CAT 5) cable, a standard cable available from any computer supp

Communications Wiring for Multiple Inverters975-0253-01-01 3–11Purchasing Network ComponentsConsult your system designer to determine what network com

Wiring the Inverter3–12 975-0253-01-01Connecting Network Cable between InvertersThis procedure assumes only two inverters are installed. However, ther

Communications Wiring for Multiple Inverters975-0253-01-01 3–13The RS-232 connector on the GT is configured as follows:• Pin 2: transmit• Pin 3: recei

975-0253-01-01 iiiAbout This ManualThe purpose of this Owner’s Manual is to provide explanations and procedures for installing, operating, maintaining

Wiring the Inverter3–14 975-0253-01-01For more information about GT-View, see the GT-View User Manual, included with the GT-View software.Figure 3-12G

4Starting the InverterChapter 4, “Starting the Inverter”, contains information on starting up the Xantrex Grid Tie Solar Inverter and performing a fun

Starting the Inverter4–2 975-0253-01-01Commissioning ProcedureTo ensure that each GT Inverter is wired correctly, each inverter should be wired indivi

Disconnect Test975-0253-01-01 4–3To monitor the startup sequence on the front panel LCD, check the GT Inverter LCD. The startup screens (see Table 5-1

4–4

5Monitoring the InverterChapter 5, “Monitoring the Inverter”, contains information for understanding the LCD screens and the LED indicators.The topics

Monitoring the Inverter5–2 975-0253-01-01Monitoring the Front Panel DisplayDuring startup During startup, the inverter’s front panel liquid crystal di

Front Panel Display Screens and What They Mean975-0253-01-01 5–3Front Panel Display Screens and What They MeanThe front panel display shows different

Monitoring the Inverter5–4 975-0253-01-01If there is sufficient energy from the PV array, this screen is displayed continuously while the system is op

Front Panel Display Screens and What They Mean975-0253-01-01 5–5Additional messages for multiple unit systems onlyIn addition, to the normal system me

About This Manualiv 975-0253-01-01Conventions UsedThe following conventions are used in this guide.Abbreviations UsedWARNINGWarnings identify conditio

Monitoring the Inverter5–6 975-0253-01-01Offline messages for all systemsAdditional message screens can be viewed when the system is offline by tappin

Front Panel Display Screens and What They Mean975-0253-01-01 5–7Fault ModeWhen a fault state is detected, the appropriate fault message appears on the

Monitoring the Inverter5–8 975-0253-01-01Additional Fault messages for all systemsAdditional message screens can be viewed in fault mode by tapping th

Front Panel Display Screens and What They Mean975-0253-01-01 5–9Custom ScreensTwo custom screens are available. The inverter does not display them unl

Monitoring the Inverter5–10 975-0253-01-01Status Indicator LightsThe GT Inverter is equipped with two status indicator lights (LEDs) located below the

6Maintenance and TroubleshootingChapter 6, “Maintenance and Troubleshooting”, contains information about how to provide general maintenance for the Xa

Maintenance and Troubleshooting6–2 975-0253-01-01Factors Affecting GT Inverter PerformanceThis section describes several factors that will affect the

Performing General Maintenance975-0253-01-01 6–3Other FactorsOther factors that contribute to system losses are:• Dust or dirt on the array • Fog or s

Maintenance and Troubleshooting6–4 975-0253-01-01Identifying Error/Fault Conditions and SolutionsMost error or fault conditions will be identified by

ASpecificationsAppendix A, “Specifications”, contains information about the electrical and environmental specifications of the Xantrex Grid Tie Solar

About This Manual975-0253-01-01 vSymbols UsedRelated InformationYou can find more information about Xantrex Technology Inc. as well as its products an

SpecificationsA–2 975-0253-01-01Electrical SpecificationsInputOutputGT 2.5 GT 2.8 GT 3.8Input voltage, Maximum Power Point range 195 to 550 VdcAbsolut

Electrical Specifications975-0253-01-01 A–3Adjustable Disconnect SettingsIslanding protection is an essential safety feature that ensures no person wo

SpecificationsA–4 975-0253-01-01Output Power Versus Ambient TemperatureOnce the heat sink on the inverter reaches a maximum temperature limit, the GT

Electrical Specifications975-0253-01-01 A–5EfficiencyMaximum efficiency 95%Euro efficiency 93.9%Nighttime tare loss 1 WFigure A-2Typical EfficiencyGT

SpecificationsA–6 975-0253-01-01Environmental SpecificationsUser DisplayDisplay AccuracyMechanical SpecificationsOperating temperature range -25 to +

975-0253-01-01 WA–1Warranty and Return InformationWarrantyWhat does this warranty cover and how long does it last? This Limited Warranty is provided b

Warranty and ReturnWA–2 975-0253-01-01What does this warranty not cover? This Limited Warranty does not cover normal wear and tear of the product or c

Warranty and Return975-0253-01-01 WA–3Exclusion for DocumentationWITHOUT LIMITING THE GENERALITY OF THE FOREGOING, UNLESS SPECIFICALLY AGREED TO BY IT

Warranty and ReturnWA–4 975-0253-01-01Information About Your SystemAs soon as you open your Xantrex Grid Tie Solar Inverter package, record the follow

Warranty and Return975-0253-01-01 WA–5PV DetailsSolar Panel Mount: Roof Pole GroundSolar Panel Brand and Model:Nominal Voltage Range: _____________ Vd

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WA–6

Aabbreviations and symbols ivAC circuit breaker requirements 2–9AC grounding requirements 2–7AC output voltage ratings A–2AC wiring instructions 3–5ac

IndexIX–2 975-0253-01-01on wallboard, siding or concrete 2–15orientation 2–4overview 2–11preparation 2–11single inverter 2–16surfaces for 2–13using po

Xantrex Technology Inc.34 93 470 5330 Telephone34 93 473 6093 Faxsupport.europe@xantrex.comwww.xantrex.com975-0253-01-01Printed in China

975-0253-01-01 viiImportant Safety InstructionsSAVE THESE INSTRUCTIONS—This manual contains important instructions that shall be followed during the i