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Xantrex GT3.0 User's Manual

1. 5 6 Special Screens 5 8 Custom Screens 5 9 Status Indicator Lights 5 9 Maintenance and Troubleshooting Factors Affecting GT Inverter Performance 6 2 PV Array Factors 6 2 Other Factors 6 3 Performing General Maintenance 6 3 Replacing Parts 6 3 Replacing the Ground Fault Protection Fuse 6 4 Replacing the Inverter 6 5 Identifying Error Fault Conditions and Solutions 6 8 975 0131 01 01 Contents A Specifications Electrical Specifications A 2 Input A 2 Output A 2 Adjustable disconnect settings A 3 Efficiency A 4 Environmental Specifications
2. 2 2 Inverter Location 2 4 PV Array Requirements 2 5 Grounding Requirements 2 8 Routing the Wires 2 11 Preparing for the Installation 2 13 Wiring 2 13 Circuit Breakers and Disconnect Switch 2 13 Other Materials Needed 2 14 Equipment Needed 2 14 Mounting the Inverter 2 15 Overview 7 7 2 15 Preparing to Mount the Unit 2 16 Installing the Mounting Bracket 2 17 Mounting the Inverter on the Bracket 2 22 Installing Accessories 2 23 975 0131 01 01 xi Contents 3 xii Wiring the Inverter Accessing the Wiring Terminals 3 2 Connecting the DC Wiring 3 4 Connectin
3. User Display Type alphanumeric liquid crystal Size 2 lines by 16 characters Backlight yes Display Accuracy Instantaneous Power 30 W 1 of reading Voltage 196 of rating 1 of reading Current 196 of rating 1 of reading System Lifetime energy Mechanical Specifications Outdoor enclosure 596 NEMA 3R Rainproof Inverter dimensions 72 5 x 40 3 x 14 6 cm 28 5 x 15 9 x 5 7 inches HxWxD Shipping dimensions 86 6 x 51 8 x 26 2 cm 34 x 20 4 x 10 3 inches HxWxD Inverter weight 20 4 kg 45 Ib Shipping weight 26 6 kg 58 7 Ib Input and output terminals AC and DC terminals accept wire sizes of 2 5 to 25 mm 14 to 6 AWG Disconnect switch Integrated switch disconnects both AC and DC meets NEC article 690 rated 600 Vdc 975 0131 01 01 A 5 Specifications Accessories GT Fan Kit includes fan assembly and heat sink cover Part number 864 0201 Fan control Thermal activates when the internal surface of the heat sink reaches 60 C 140 F Fan power consumption 3 84 W operating A 6 975 0131 01 01 Warranty and Return Information Warranty What does this warranty cover This Limited Warranty is provided by Xantrex Technology Inc Xantrex and covers defects in workmanship and materials in your Xantrex Grid Tie Solar Inverter This warranty period lasts for five year from the date of purchase at the
4. Lightning Protection 2 8 If the PV array is more than 30 m 100 feet from the inverter then there must also be a direct connection from the array frame to an earth ground next to the array A connection between this ground and the building ground connection via a buried wire between the two points is also necessary see Figure 2 3 Reduce the risk of lightning damage by using a single point grounding system In this system all ground lines terminate at the same point This point normally is the main utility ground installed by the utility company to provide a ground for the house wiring see Figure 2 4 This ground usually consists of a copper rod driven 1 5 to 2 5 meters 6 to 8 feet into the earth 975 0131 01 01 Planning the Installation PV PV String 2 PV String 1 Array Main Utility Service Panel L1 9 L2 00008000 NEUTRAL Neutral to Ground Bond GND bar 5 Figure 2 2 Basic Grounding Overview AC DC Disconnect Switch Primary Earth Ground 975 0131 01 01 2 9 Installation PV Array When the distance between the PV Array and the GT Inverter is greater than 30 m 100 ft the array should have its own earth ground which should be connected to the PV String 1 Primary Earth Ground by a buried wire Check your
5. g 43 3 Ensure the inverter is seated mounting slots properly on the mounting bracket Ground Floor Ground Floor Figure 2 11 Proper Placement of the Inverter on the M ounting Bracket 2 22 975 0131 01 01 Installing Accessories Mounting Multiple Inverters in Parallel As shown in Figure 2 10 inverters can be mounted side by side on wallboard or a plywood support A minimum of 30 cm 12 inches of clearance between the units is recommended Conduit nipples should be installed on one side of the first inverter before mounting on the bracket Ensure that the sealing ring is located on the conduit nipple between inverters i e on the outside of the wiring box The lock nut is attached after the nipple is inserted into the conduit hole of the second inverter Installing Accessories The optional fan assembly and heat sink cover see Figure 1 5 on page 1 7 should be installed together Neither accessory should be installed without the other Installing the Fan Assembly WARNING Shock hazard If the inverter is already installed and operational turn OFF the breaker switches in the main utility service panel and the AC DC Disconnect switch on the inverter wiring box before performing this procedure WARNING Shock hazard Hazardous voltages may be present when cover is removed After disconnecting all sources of energy wait 5 minutes before removing cover WARNING Burn hazard Ensure that the inverter and heat
6. A 5 User Display A 5 Mechanical Specifications A 5 Accessories 77 7 7 A 6 Warranty and Return Information Warranty WA 1 Disclaimer eee eee WA 2 Return Material Authorization Policy WA 3 Return Procedure 22 22 22 e errr ee WA 3 Out of Warranty Service WA 3 Information About Your System WA 4 Index 975 0131 01 01 xiii xiv Figures Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 1 5 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Figure 2 8 Figure 2 9 Figure 2 10 Figure 2 11 Figure 2 12 Figure 2 13 Figure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 Figure 3 5 Figure 3 6 Figure 3 7 Figure 3 8 Figure 3 9 Figure 3 10 Figure 3 11 Figure 4 1 Figure 5 1 Figure 5 2 Figure 6 1 Figure 6 2 Figure A 1 Figure A 2 Basic System Overview 1 2 Main Features of the GT Inverter 1 4 Safety and Data Label Locations 1 5 Wi
7. D DC wiring instructions 3 4 derating chart A 3 dimensions 2 16 A 5 display accuracy A 5 E efficiency chart A4 electrical specifications A 2 enclosure type A 5 error messages and solutions 6 8 F fan kit 1 7 2 23 A 6 fault conditions and solutions 6 8 FCC information to the user viii features and options 1 3 front panel display 1 3 5 2 fault messages 5 6 normal operation messages 5 3 offline mode messages 5 5 reading messages 5 3 special messages 5 8 startup messages 5 3 fuse location of ground fault protection 6 5 fuses and circuit breakers 2 13 G general maintenance 6 3 ground clearance required for installation 2 4 2 18 ground fault protection fuse 2 14 replacing 6 4 grounding requirements 2 8 guidelines for matching PV array size to inverter input 2 7 H heat sink cover 1 7 2 26 humidity limits A 5 I information about your system form WA 4 installation fan assembly 2 23 grounding requirements 2 8 location concerns 2 4 mounting 2 19 options 2 2 overview 2 15 planning issues 2 2 preparing for 2 13 PV array requirements 2 5 routing wires 2 11 inverter features and options 1 3 installation 2 15 model number W A 4 models 1 8 purchase date W A 4 purpose 1 2 removing from wiring box 6 6 Index serial number WA 4 K knockout locations 2 16 L LEDs See status LEDs lightning protection 2 8 long distance groundin
8. voltage requirements 2 6 R RJ45 connector requirements 3 14 RJ45 ports communication between inverters 3 13 location in wiring box 3 3 RS 232 port 3 13 5 7 5 9 S safety instructions vii serial number WA 4 single inverter configuration 2 2 specifications electrical A 2 mechanical A 5 standard features and options 1 3 standard test condition 6 2 startup procedure check PV array DC voltage 4 2 check utility AC voltage 4 2 monitor front panel display 5 2 overview 4 2 replace wiring box cover 4 3 start the inverter 4 4 status LEDs description 5 9 975 0131 01 01 do not illuminate 6 8 red LED is on 6 8 T temperature affecting PV array performance 6 2 range for locating Xantrex GT Inverter 2 4 terminal blocks in wiring box 3 3 terminators male network 3 13 thermal derating chart A 3 torque values for wires 3 5 troubleshooting the GT Inverter 6 8 V voltmeter measuring PV array DC at startup 4 2 measuring utility AC at startup 4 2 WwW warranty out of warranty service W A 3 terms and conditions WA 1 weight A 5 wire stripping length recommended 2 13 wiring AC connection planning 2 12 acceptable wire sizes A 5 conduit planning 2 12 DC connection planning 2 12 information 2 13 knockouts for 2 12 main utility service panel to Xantrex GT Inverter 3 8 preparation for 2 13 PV array to Xantrex GT Inverter 3 5 routing wires 2 11 torquing 3 5 3 10 wire size
9. Electric Rule 21 California Energy Commission CEC publication 500 03 083 September 2003 available at www energy ca gov vi Important Safety Instructions SAVE THESE INSTRUCTIONS This manual contains important instructions that shall be followed during the installation and maintenance of the Xantrex Grid Tie Solar Inverter 1 Before installing and using the GT Inverter read all instructions and cautionary markings on the inverter wiring box and all appropriate sections of this guide 2 To reduce risk of fire hazard do not cover or obstruct the heat sink 3 Observe the clearance recommendations as described on page 2 18 Do not install the GT Inverter in a zero clearance or non ventilated compartment Overheating may result 4 Use only accessories recommended or sold by the manufacturer Doing otherwise may result in a risk of fire electric shock or injury to persons 5 To avoid a risk of fire and electric shock make sure that existing wiring is in good condition and that wire is not undersized Do not operate the GT Inverter with damaged or substandard wiring 6 Do not operate the GT Inverter if it has received a sharp blow been dropped or otherwise damaged in any way If the GT Inverter is damaged see the Warranty section 7 Do not disassemble the GT Inverter It contains no user serviceable parts See Warranty for instructions on obtaining service Attempting to service the GT Inverter yourself may
10. Introduction contains information about the features and functions of the Xantrex Grid Tie Solar Inverter The topics in this chapter are organized as follows About the Xantrex Grid Tie Solar Inverter e Standard Features on page 1 3 e Safety and Standards on page 1 5 Removable Components e Wiring Box standard on North American models on page 1 6 e Optional Heat Sink Cover and Fan on page 1 7 Model Configurations Introduction About the Xantrex Grid Tie Solar Inverter The Xantrex Grid Tie Solar Inverter GT Inverter is designed to convert solar electric photovoltaic or PV power into utility grade electricity that can be used by the home or sold to the local power company Installing the GT Inverter consists of mounting it to the wall and connecting the DC input to a PV array and the AC output to the utility See Figure 1 1 fora simple diagram of a typical installation In order to operate the GT Inverter must have grid power available and connected It will not provide backup power if the AC grid fails Photovoltaic PV Panels PV Array Utility Meter L Utility Grid Surplus power Vard routed to Utility Grid Harvested solar energy Power routed RD loads DC converted to AC Main Utility Service Panel Xantrex Y GT Inverter Figure 1 1 Basic System Overview 1 2 975 0131 01 01 PV compatib
11. The ground fault protection fuse is located on the left side of the LCD panel behind the front panel cover Figure 6 1 2 Using an insulated fuse puller remove the blown fuse and replace it with a new AC DC midget cartridge rated 600 Vdc 1A Littelfuse KLKD 1 or equivalent 3 Replace the front panel and wiring box covers described on page 2 23 and page 4 3 975 0131 01 01 Replacing Parts Ground Fault LCD Protection Fuse Figure 6 1 Location of Fuse Front Panel Cover Removed Replacing the Inverter 975 0131 01 01 You can swap out the inverter and replace it with another GT Inverter leaving the existing wiring box in place This means that you do not have to disturb wiring connections in the wiring box However you do have to disconnect wiring between the inverter and the wiring box WARNING Shock hazard Separating the inverter from the wiring box breaks the ground path between PV NEGATIVE and earth ground When the wires between the inverter and wiring box are disconnected and exposed both PV leads are floating at the array open circuit voltage If there is leakage current from the POSITIVE PV lead to ground at the array touching the NEGATIVE PV lead could cause a life threatening shock even with the disconnect switch turned off Ungrounded negative DC current on the PV NEGATIVE wire presents an extreme shock hazard Use insulated tools only when disconnecting wires between the inverter and wiring
12. This Limited Warranty gives you specific legal rights You may have other rights which may vary from state to state or province to province Warning Limitations On Use Please refer to your product manual for limitations on uses of the product SPECIFICALLY PLEASE NOTE THAT THE XANTREX GRID TIE SOLAR INVERTER SHOULD NOT BE USED IN CONNECTION WITH LIFE SUPPORT SYSTEMS OR OTHER MEDICAL EQUIPMENT OR DEVICES WITHOUT LIMITING THE GENERALITY OF THE FOREGOING XANTREX MAKES NO REPRESENTATIONS OR WARRANTIES REGARDING THE USE OF THE XANTREX XANTREX GRID TIE SOLAR INVERTER IN CONNECTION WITH LIFE SUPPORT SYSTEMS OR OTHER MEDICAL EQUIPMENT OR DEVICES Please note that the Xantrex Grid Tie Solar Inverter is not intended for use as an uninterruptible power supply and Xantrex makes no warranty or representation in connection with any use of the product for such purposes WA 2 975 0131 01 01 Warranty and Return Return Material Authorization Policy Before returning a product directly to Xantrex you must obtain a Return Material Authorization RMA number and the correct factory Ship To address Products must also be shipped prepaid Product shipments will be refused and returned at your expense if they are unauthorized returned without an RMA number clearly marked on the outside of the shipping box if they are shipped collect or if they are shipped to the wrong location When you contact Xantrex to obtain service please have your instruction manual
13. Wiring Terminals on page 3 2 and tighten securely 4 3 Starting the Inverter Starting up the GT Inverter To start up the inverter 1 Switch the AC DC Disconnect switch to the ON position see Figure 4 1 2 Check the GT Inverter LCD The startup screens see Table 5 1 on page 5 3 should appear for five seconds each and then the Reconnecting in sss seconds special screen see Table 5 10 on page 5 8 will appear until the five minute five second default value protection timer countdown is completed OFF ON Figure 4 1 AC DC Disconnect Switch Positions 4 4 975 0131 01 01 Monitoring the Inverter Chapter 5 Monitoring the Inverter contains information for understanding the LCD screens and the LED indicators The topics in this chapter are organized as follows e Monitoring the Front Panel Display on page 5 2 e Front Panel Display Screens and What They Mean on page 5 3 e Status Indicator Lights on page 5 9 Monitoring the Inverter Monitoring the Front Panel Display During startup During startup the inverter s front panel LCD see Figure 5 1 shows the first three screens described in Table 5 1 Startup Screens on GT Inverter Front Panel Display on page 5 3 During waiting When the five minute five second 305 seconds protection timer begins the period inverter displays Reconnecting in sss seconds see Table 5 10 Special Message Screens on page 5 8 During operation Wh
14. all systems 975 0131 01 01 Front Panel Display Screens and What They Mean Ina multiple unit system with communications cables properly installed the system values displayed are for the entire system For example in a two inverter system if inverter 1 is producing 1500 W and inverter 2 is producing 2000 W both inverters display a total system power of 3500 W Time online and array readings are for the local inverter and PV array associated with that inverter In addition to the normal system message screens additional screens specific to each GT Inverter unit can be displayed when the unit is networked to other GT Inverters These screens are only available on multiple unit systems To view unit specific screens in a multiple unit system 1 Tap the Xantrex logo near the LCD to advance the display to the next screen Continue tapping until the final system message screen Grid Readings in Table 5 3 above is displayed 2 Tap again Normal operation screens shown in Table 5 4 are displayed in the order given as you tap successively on the unit If you continue to tap the unit then the LCD will cycle through all of the available normal operation screens Each message is displayed for up to 30 seconds If you do not tap again within that time period then the LCD backlight turns off and the display reverts to the default normal operation screen Table 5 2 Table 5 4 Additional Normal Operation Screens for Each GT Inverte
15. between the PV array and the GT Inverter and between the inverter and the Main Utility Service Panel are kept to a minimum Maximum distances will depend on wire gauges used and PV array output voltages Debris free Excessive debris e g dust leaves cobwebs can accumulate on the unit interfering with wiring connections and ventilation Do not install in a location where debris can accumulate such as under a tree 2 4 975 0131 01 01 Planning the Installation PV Array Requirements WARNING Shock hazard Whenever a PV array is exposed to sunlight a shock hazard exists at the output wires or exposed terminals To reduce the risk of shock during installation cover the array with an opaque dark material before making any connections General Recommendations It is important that the PV array is installed correctly to the manufacturer s specifications and to local code requirements For general recommendations on PV array installation the CEC Guide to Photovoltaic System Design and Installation document referenced in Related Information on page v is recommended It is available at www energy ca gov Equipment and Installation Recommendations Equipment recommendations Installation recommendations 975 0131 01 01 The following PV array equipment and installation recommendations are taken from the CEC Guide to Photovoltaic System Design and Installation document referred to above Important Th
16. box Cap all disconnected wires with wire nuts If possible cover PV arrays with an opaque material during this procedure 6 5 Maintenance and Troubleshooting 6 6 Recommended tools e Insulated screwdriver e Wire nut for PV NEGATIVE wire 7mm socket and small ratchet or 7 mm open wrench WARNING Shock hazard The inverter should only be removed from the wiring box when a replacement inverter is immediately available When replacing an inverter ensure the AC DC Disconnect switch is locked or otherwise secured in the OFF position Do not leave the top of the wiring box exposed for extended periods of time WARNING Shock hazard Before replacing the inverter turn OFF the breaker switches in the main utility service panel and the AC DC Disconnect switch on the GT Inverter To remove the inverter from the wiring box 1 Turn OFF the breaker switches in the main utility service panel and the AC DC Disconnect switch on the GT Inverter If possible cover the PV arrays with an opaque material 2 Remove the covers from the wiring box and inverter front described on page 2 23 and page 3 2 3 Using an insulated screwdriver disconnect the PV NEGATIVE gt wire from the terminal block inside the inverter Cap the wire immediately with a wire nut 4 Disconnect the remaining AC DC and communications wires between the inverter and the wiring box inside the inverter Cap all disconnected AC and DC wi
17. of the inverter and wiring box The inverter can be separated from the wiring box and removed from the bracket leaving the wiring box in place 2 17 Installation Rectangular slots x 25 8mm x 30 mm 5 16 x 1 3 16 Eram icu pue Mounting flanges Mounting bracket Back side of the inverter lt 4 25 3 cm 10 gt 000000000001 4 58 7 cm 23 1 Mounting flanges Mounting slots for securing the inverter Figure 2 8 Mounting Bracket and GT Inverter Clearance Requirements For optimal and safe operation ensure there is adequate clearance around the inverter The minimum clearance recommendations in Table 2 2 assume a vertical mounting If clearances are reduced below these minimums rated power may not be achieved Table 2 2 Inverter Clearance Requirements Location Minimum Clearance Above 30 cm 12 inches Below Outdoors Inverter 100 cm 39 inches The inverter extends below the Bracket e 110 cm 43 inches bracket by approximately 10 cm Indoors the same clearances are 4 inches recommended but not required In front Sufficient room to allow for easy access to read the display and to prevent accidental contact with hot surface On sides 15 cm 6 inches to prevent thermal derating When mounting units side by side 30 cm 12 inches of clearance between the two units is recommende
18. panel cover using the screws removed in step 2 with the wire leads passing through the notch at the top of the cover ensuring that the wires are not pinched Replace the wiring box cover using the screws removed in step 1 Fan connectors SS RERO RNC arten Farmen Figure 2 13 Location of Fan Connector 975 0131 01 01 2 25 Installation Installing the Heat Sink Cover You may find it easier to install the heat sink cover before mounting the inverter If the inverter is already installed and in operation it is best to perform the following procedures after dark or on an overcast day when the unit is cool WARNING Burn hazard Ensure that the inverter and cover are not too hot to hold firmly before installing or removing the heat sink cover To install the heat sink cover on the inverter l Hold the heat sink cover vertically in front of you with the curved edge upward and the flanges bent away from you Insert the heat sink cover left side flange into the groove on the left side of the inverter heat sink It should snap into place Push the cover so that it curves outward away from the inverter and insert the right side flange into the groove on the right side of the inverter heat sink It should snap into place To remove the heat sink cover from the inverter Important You may start with the left or right side
19. point of sale to you the original end user customer You require proof of purchase to make warranty claims This Limited Warranty is transferable to subsequent owners but only for the unexpired portion of the Warranty Period Subsequent owners also require proof of purchase What will Xantrex do Xantrex will at its option repair or replace the defective product free of charge provided that you notify Xantrex of the product defect within the Warranty Period and provided that Xantrex through inspection establishes the existence of such a defect and that it is covered by this Limited Warranty Xantrex will at its option use new and or reconditioned parts in performing warranty repair and building replacement products Xantrex reserves the right to use parts or products of original or improved design in the repair or replacement If Xantrex repairs or replaces a product its warranty continues for the remaining portion of the original Warranty Period or 90 days from the date of the return shipment to the customer whichever is greater All replaced products and all parts removed from repaired products become the property of Xantrex Xantrex covers both parts and labor necessary to repair the product and return shipment to the customer via a Xantrex selected non expedited surface freight within the contiguous United States and Canada Alaska and Hawaii are excluded Contact Xantrex Customer Service for details on freight policy for return shipments
20. ready for reference and be prepared to supply e The serial number of your product e Information about the installation and use of the unit e Information about the failure and or reason for the return e A copy of your dated proof of purchase Record these details in on page WA 4 Return Procedure Package the unit safely preferably using the original box and packing materials Please ensure that your product is shipped fully insured in the original packaging or equivalent This warranty will not apply where the product is damaged due to improper packaging 2 Include the following The RMA number supplied by Xantrex Technology Inc clearly marked on the outside of the box Areturn address where the unit can be shipped Post office boxes are not acceptable Acontact telephone number where you can be reached during work hours A brief description of the problem 3 Ship the unit prepaid to the address provided by your Xantrex customer service representative If you are returning a product from outside of the USA or Canada In addition to the above you MUST include return freight funds and are fully responsible for all documents duties tariffs and deposits If you are returning a product to a Xantrex Authorized Service Center ASC A Xantrex return material authorization RMA number is not required However you must contact the ASC prior to returning the product or presenting the unit to verify any return procedures that ma
21. 0131 01 01 Front Panel Display Screens and What They Mean Front Panel Display Screens and What They Mean Startup Mode The front panel display shows different message screens during different modes of operation Startup Normal Offline and Fault All single units display a basic set of message screens multiple unit systems display additional screens in Normal Operation and Offline modes In addition there are Special message screens that may appear in any operational mode All of these message screens are described in more detail in the following tables During startup the GT Inverter displays three message screens on its front panel LCD These screens appear in the following order Table 5 1 Table 5 1 Startup Screens on GT Inverter Front Panel Display Display Duration Description Xantrex 5 sec Startup message 1 Inverter name and model GT3 0 NA 240 number Flash 01 01 5 sec Startup message 2 Model and revision ROM 01 01 numbers for Flash and ROM memory on the GT Inverter The ROM revision number applies to the protection processor Vh 2b2 Vl 212 5 sec Startup message 3 Anti islanding Utility Grid Fh 60 5 F1 5H 3 trip points Vh high voltage threshold VI low voltage threshold Fh high frequency threshold FI low frequency threshold all numbers in this and following tables are examples only The five minute five second protection timer begins its countdown during startup and the Reconnecti
22. 131 01 01 Network termination Male 2 per pack 809 0901 Network cable 3 ft 0 9 m 809 0935 Network cable 5 feet 1 5 m 809 0936 Network cable 7 feet 2 0 m 809 0937 Network cable 10 feet 3 0 m 809 0938 Network cable 14 feet 4 3 m 809 0939 Network cable 25 feet 7 6 m 809 0940 Network cable 50 feet 15 2 m 809 0941 Network cable 75 feet 22 9 m 809 0942 WARNING Shock hazard Do not route the network cables in the same conduit or panel as the AC and DC power cabling To ensure maximum performance of your network follow these guidelines when routing the network cables Route the cables before installing Xanbus enabled devices Route the cables away from sharp edges that might damage the insulation Avoid sharp bends in the cable no less than a 10 cm 4 inch radius Allow for some slack in the cable tension Keep the alignment of wire pairs inside the sheath as straight as possible Allow separation between data and power cables data cables should only cross a power cable at right angles Do not staple the cable with metal cable staples Use the appropriate hardware fasteners to avoid damage to the cable AN CAUTION Unpredictable device behavior Do not connect one end of the network to the other to make a ring Wiring the Inverter Connect the Communications Cable between Inverters in Parallel WARNING Shock hazard If the inverter is already installed and operational turn OF
23. F the breaker switches in the main utility service panel and the AC DC Disconnect switch on the inverter wiring box before performing this procedure WARNING Shock hazard Hazardous voltages may be present when cover is removed After disconnecting all sources of energy wait 5 minutes before removing cover The following procedure is illustrated in Figure 3 11 on page 3 17 The illustration and procedure assume only two inverters connected in parallel However there can be more than two inverters wired in this configuration To provide communication between inverters mounted in parallel 1 2 Remove the wiring box cover from each unit On each unit remove the plug from a 1 9 cm 3 4 side conduit hole and install appropriate conduit between the two units Connect the communication cable to any RJ45 port in Inverter 1 Pass the cable through the conduit between Inverter 1 and Inverter 2 Inside each unit s wiring box ensure the communication cable runs horizontally along the flat bottomed channel formed when the insulation barrier is in place The cable should run on top of the insulation barrier and out the side conduit hole avoiding any contact with the AC and DC wiring Connect the communication cable to any RJ45 port in Inverter 2 For more than two inverters in parallel continue connecting cable as described above Insert male network terminators into the empty RJ45 ports in the inverters at the beg
24. Hz 47 1 to 50 9 Hz Maximum continuous output current 14 2A 14 9A Output overcurrent protection 20 A RMS 20 A RMS Total Harmonic Distortion THD 596 596 Power factor 20 9 20 9 Utility monitoring islanding protection Vac fac as per UL1741 Output characteristics Current source Output current waveform Sine wave Requires Utility permission and qualified service personnel to change settings 975 0131 01 01 Electrical Specifications Adjustable Disconnect Settings The adjustable disconnect setting values vary depending on whether the inverter is a 208 Vac 60 Hz 240 Vac 60 Hz or 230 Vac 50 Hz model Utility permission is required prior to changing the settings on the inverter The default values of these settings differ from the utility specifications on page A 2 These differences take into account the accuracy ranges listed in the table below and are intended to ensure that utility specifications are always met Default Values Adjustment Range Setting 208 Vac 60 Hz 240 Vac 60 Hz 230 Vac 50 Hz From To Accuracy AC Low Voltage 186 Vac 214 Vac 205 Vac 180 Vac 269 Vac 3 Vac AC High Voltage 225 Vac 261 Vac 250 Vac AC Low Frequency 59 4 Hz 47 1 Hz 46 0 Hz 62 0 Hz 0 1 Hz AC High Frequency 60 4 Hz 50 9 Hz Reconnect Delay 305 sec 60 sec 600 sec 5 sec Output Power Versus Ambient Temperature Once the heat sink on the inverter reaches a maximu
25. NG WHETHER BY CONTRACT TORT NEGLIGENCE PRINCIPLES OF MANUFACTURER S LIABILITY OPERATION OF LAW CONDUCT STATEMENT OR OTHERWISE INCLUDING WITHOUT RESTRICTION ANY IMPLIED WARRANTY OR CONDITION OF QUALITY MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TO THE EXTENT REQUIRED UNDER APPLICABLE LAW TO APPLY TO THE PRODUCT SHALL BE LIMITED IN DURATION TO THE PERIOD STIPULATED UNDER THIS LIMITED WARRANTY IN NO EVENT WILL XANTREX BE LIABLE FOR ANY SPECIAL DIRECT INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES LOSSES COSTS OR EXPENSES HOWEVER ARISING WHETHER IN CONTRACT OR TORT INCLUDING WITHOUT RESTRICTION ANY ECONOMIC LOSSES OF ANY KIND ANY LOSS OR DAMAGE TO PROPERTY ANY PERSONAL INJURY ANY DAMAGE OR INJURY ARISING FROM OR AS A RESULT OF MISUSE OR ABUSE OR THE INCORRECT INSTALLATION INTEGRATION OR OPERATION OF THE PRODUCT Exclusions If this product is a consumer product federal law does not allow an exclusion of implied warranties To the extent you are entitled to implied warranties under federal law to the extent permitted by applicable law they are limited to the duration of this Limited Warranty Some states and provinces do not allow limitations or exclusions on implied warranties or on the duration of an implied warranty or on the limitation or exclusion of incidental or consequential damages so the above limitation s or exclusion s may not apply to you
26. Only authorized personnel with the utility s permission may change these settings Contact Xantrex Technology to gain permission and the procedure equipment to make these changes 975 0131 01 01 ix Contents Important Safety Instructions Regulatory Compliance Vili FCC Information to the User viii Verification and Commissioning Test ix 1 Introduction About the Xantrex Grid Tie Solar Inverter 1 2 Standard Features 1 3 Optional Features 1 4 Safety and Standards 1 5 Removable Components 1 6 Wiring Box standard on North American models 1 6 Optional Heat Sink Cover and Fan 1 7 Model Configurations 1 8 2 Installation Installation Options 2 2 Single Inverter Installation 2 2 Multiple Inverter Installations 2 2 Planning the Installation
27. R SUITABILITY OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED IN ITS MANUALS OR OTHER DOCUMENTATION b ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSS OR DAMAGE WHETHER DIRECT INDIRECT CONSEQUENTIAL OR INCIDENTAL WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER S RISK Date and Revision September 2004 Revision B Part Number 975 0131 01 01 Contact Information Telephone 1 800 670 0707 toll free North America 1 360 925 5097 direct Fax 1 800 994 7828 toll free North America 1 360 925 5143 direct Email customerservice xantrex com Web www xantrex com About This Manual Scope Audience Organization 975 0131 01 01 The purpose of this Owner s Manual is to provide explanations and procedures for installing operating maintaining and troubleshooting the Xantrex Grid Tie Solar InverterTM The manual provides safety guidelines detailed planning and setup information It provides procedures for installing the inverter and information about operating and troubleshooting the unit It does not provide details about particular brands of photovoltaic PV panels You need to consult individual PV manufacturers for this information The manual is intended for anyone who needs to install and operate the GT Inverter Installers should be fully educated on the hazards of installing electrical equipment Certified electricians or technicians are recommen
28. Smart choice for power Aa ntrex Owner s Manual Xantrex Grid Tie Solar Inverter www xantrex com Smart choice for power xantrex Xantrex Grid Tie Solar Inverter Owner s Manual About Xantrex Xantrex Technology Inc is a world leading supplier of advanced power electronics and controls with products from 50 watt mobile units to one MW utility scale systems for wind solar batteries fuel cells microturbines and backup power applications in both grid connected and stand alone systems Xantrex products include inverters battery chargers programmable power supplies and variable speed drives that convert supply control clean and distribute electrical power Trademarks Xantrex Grid Tie Solar Inverter is a trademark of Xantrex International Xantrex and Xanbus are registered trademarks of Xantrex International Other trademarks registered trademarks and product names are the property of their respective owners and are used herein for identification purposes only Notice of Copyright Xantrex Grid Tie Solar Inverter Owner s Manual September 2004 Xantrex International All rights reserved Disclaimer UNLESS SPECIFICALLY AGREED TO IN WRITING XANTREX TECHNOLOGY INC XANTREX a MAKES NO WARRANTY AS TO THE ACCURACY SUFFICIENCY O
29. The 600 volt AC DC disconnect in the wiring box meets NEC Article 690 It is a non serviceable component and shall remain in place Removal can expose energized conductors Figure 3 3 AC DC Disconnect Switch Positions The following procedure is illustrated in Figure 3 4 If there will be more than one PV string label the positive and negative wire pairs appropriately for example PV 1 PV 2 3 4 975 0131 01 01 Connecting the DC Wiring To wire the PV array to GT Inverter 1 Install DC conduit from the PV string s to the GT Inverter wiring box through one of the knockout holes Remove the wiring box cover see page 3 2 Route the wires from the PV string s through the conduit and into the wiring box Connect the DC Ground from each PV string to the GROUND bar in the wiring box Connect the POSITIVE wire from the 1 PV string to the PV 1 terminal Double check that the wire is in the proper location and tighten the screw Connect the NEGATIVE wire from the 1 PV string to the PV1 2 terminal Double check that the wire is in the proper location and tighten the screw Repeat for the 2 PV string if there is one Double check that the wires are in the proper locations and tighten the screws a Connect the POSITIVE wire from the 2 PV string to the PV2 terminal b Connect the NEGATIVE wire from the 2 PV string to the PV2 terminal Ensure all connections are correctly wir
30. acilitate conduit installation for wire runs This is much easier to do prior to mounting the inverter Important Ensure there are no metal shavings left in the inverter after removing the knockouts Be sure to install bushings or conduits in the knockout holes to protect the wires from damage If installed outdoors conduit must be sealed where it enters the wiring box 975 0131 01 01 2 cm 3 4 conduit holes with threaded caps on both sides Dual 2 cm or 2 5 cm 3 4 or 1 knockouts Mounting the Inverter Side view Front view pcd 40 3 cm el i lg 15 9 Ir um ee omia RE crx EE Heat Sink mi Hr EIE EIE PEE LEE Cover 5500m 52 22 ES He Ge 1 e nr Hi Hi Hi He 69 6 cm Hf Hi Ht Et He 27 4 Front Panel i 72 5 cm 28 5 xantrex Y Grid Tie sotar verter O Wiring Box NI S Ne am b gt back and bottom NG Y Bgd Ed bil Flange and x 5 8 cm 2 278 Mounting Slots Figure 2 7 Dimensions of GT Inverter and Knockout Locations Installing the Mounting Bracket 975 0131 01 01 The mounting bracket for the GT Inverter allows the unit to be easily mounted and dismounted for servicing It has two hooks that match corresponding hooks on the back side
31. al Length of time inverter has been installed AC wiring size and length DC wiring size and length Description of fault messages and or indicators on front panel Description of problem PV Details Solar Panel Mount Solar Panel Brand and Model Nominal Voltage Range Peak Open Circuit Voltage Nominal Current Rating Maximum Current Rating Solar Tracker String 1 of Panels String 2 of Panels String 3 of Panels String 4 of Panels WA 4 Roof Yes Vdc Vdc Adc Adc Pole No Series Series Series Series Ground Parallel Parallel Parallel Parallel 975 0131 01 01 Index A abbreviations and acronyms iv AC circuit breaker requirements 2 13 AC grounding requirements 2 8 AC output voltage ratings A 2 AC utility voltage 4 2 AC wiring instructions 3 7 acceptable wire sizes A 5 accessing AC and DC terminals 3 2 accessories 1 7 A 6 adjustable disconnect settings A 3 C checking AC utility voltage 4 2 checking PV array DC voltage 4 2 circuit breakers and fuses 2 13 communication between multiple inverters 3 12 communications cabling 3 14 installing for inverters in parallel 3 16 standard CAT 5 wiring 3 14 conduit holes 2 12 conduit nipples installing 2 23 Customer Service preparing to call WA 4
32. applicable electrical and building codes For installations in the United States the National Electrical Code NEC and local codes apply For installations in Canada the Canadian Electrical Code CEC and local codes apply For all installations local utilities may have additional requirements Installation Conduit Pre plan the wire and conduit runs Knockouts for 1 9 cm 3 4 inch or 2 5 cm holes knockouts 1 inch conduit holes are located on the bottom and back of the wiring box Threaded 3 4 conduit holes are located on each side of the wiring box Figure 2 5 For maximum safety run AC DC and communication wires in separate conduits Q O 1 e Front of Wiring Box o O O e Right side Left side 1 9 cm 3 4 Threaded Conduit Holes 1 9 cm 3 4 or 2 5 cm 1 Knockouts also on back of Wiring Box o o Back of AC DC Disconnect Switch Figure 2 5 Knockout Locations on Bottom of Wiring Box WARNING Shock hazard Check for existing electrical or plumbing prior to drilling holes in the walls Planning AC Wire Routing AC connections include all the wires and connectors between the GT Inverter AC terminals and the main utility service panel Pre plan these routes carefully before instal
33. ating and possible damage in high heat conditions For maximum output in hot climates mount the GT Inverter in a shaded location with good air flow The angle of the sun in relation to the PV array surface the array orientation can dramatically affect the PV array output The array energy output will vary depending on the time of day and time of year as the sun s angle in relation to the array changes Sunlight output decreases as the sun approaches the horizons such as in winter in North America due to the greater atmospheric air mass it must penetrate reducing both the light intensity that strikes the array s surface and spectrum of the light In general you can expect only four to six hours of direct sunlight per day Shading of only a single module of the array will reduce the output of the entire system Such shading can be caused by something as simple as the shadow of a utility wire or tree branch on part of the array s surface This condition in effect acts like a weak battery in a flashlight reducing the total output even though the other batteries are good However the output loss is not proportionate to shading The GT Inverter is designed to maximize its energy production in all of the above situations using its MPPT algorithm 975 0131 01 01 Other Factors Performing General M aintenance Other factors that contribute to system losses are Dust or dirt on the array Fog or smog Mismatched PV array modul
34. ational Window 2 6 Inverter Clearance Requirements 2 18 Torque Values for Wires 3 5 T568A Standard Wiring 3 14 Network Components and Part Numbers 3 15 Startup Screens on GT Inverter Front Panel Display 5 3 Normal Operation Default Screen 5 4 Normal Operation Screens for All GT Inverter Units 5 4 Additional Normal Operation Screens for Each GT Inverter Unit in a Multiple Unit System 5 5 Offline Mode Default Display 5 5 Offline Mode Screens for All GT Inverter Units 5 6 Additional Offline Mode Screens for Each GT Inverter Unit in a Multiple Unit System 5 6 Fault Message Screens 5 7 Additional Fault Mode Screens 5 8 Special Message Screens 5 8 Status Indicator LEDs 5 9 Troubleshooting the GT Inverter 6 8 975 0131 01 01 xvii xviii Introduction Chapter 1
35. ble a standard cable available from any computer supply store The cable consists of eight conductors in four twisted pairs with an RJ45 modular connector wired to the T568A standard Table 3 2 contains the arrangements of wire colors to pin numbers for the T5684 standard Table 3 2 T568A Standard Wiring Pin Number Conductor Name CAT 5 Cable Insulation Color 1 NET_S White Green 2 NET_S Green 3 NET_C White Orange 4 CAN_L Blue 5 CAN_H White Blue 6 NET_C Orange 7 NET_S White Brown 8 NET_C Brown RJ45 Connector Requirements The network cable uses modular RJ45 connectors as shown in Figure 3 10 The connector is suitable for cost sensitive applications and is easily installed The RJ45 connector should be a modular plug 8 position 8 contact for round stranded unshielded cable Figure 3 10 RJ45 Connector 975 0131 01 01 Communications Wiring for Inverters in Parallel Purchasing Network Components Consult with your system designer to determine what network components will be needed for your specific installation Table 3 3 provides a partial list of network components and part numbers Pre made cables are available in standard lengths from 3 feet to 75 feet Call your dealer or visit www xantrex com to purchase network components Table 3 3 Network Components and Part Numbers Network Component Part Number Guidelines for Routing the Network Cables 975 0
36. c 9 7 oO E us o ar Pig Ta to EEE i Bond i i Cd Rx mmm mmm n gi 61 LI i was Primary Earth Ground ee m mm UM p ACIDE Disconnect Switch u ee 25 ER EEG d NND Figure 3 6 Parallel GT Inverter DC and AC Wiring 975 0131 01 01 3 11 Wiring the Inverter Communications Wiring for Inverters in Parallel Communications wiring between GT Inverters mounted in parallel allows information about each inverter and its associated PV array to be communicated between all of the inverters in the system Information about the entire system can be displayed on any inverter LCD in the system For example in a two inverter system if inverter 1 is producing 1500 W and inverter 2 is producing 2000 W both inverters display a total system power of 3500 W The cumulative energy produced by both inverters that day is also displayed You can still view information for an individual inverter in a system See To view unit specific screens in a multiple unit system on page 5 5 Without communications wiring each inverter in a system will only display information pertinent to the unit and its associated PV array Xanbus Network Technology GT Inverters use Xanbus technology to communicate with other inverters in parallel Communications wiring between inverters is laid out in a daisy chain pattern each device on the network linked together w
37. ck and fire hazard Fuses should only be replaced by qualified service personnel For continued protection against risk of fire replace only with same type and ratings of fuse AN WARNING Shock hazard After disconnecting both AC and DC power from the GT Inverter wait five minutes before attempting any maintenance or cleaning or working on any circuits connected to the inverter Internal capacitors remain charged for five minutes after disconnecting all sources of power WARNING Shock hazard Dangerous voltages can exist inside the inverter If there is leakage current from the POSITIVE PV lead to ground at the array touching the NEGATIVE PV lead could cause a life threatening shock even with the disconnect switch turned off Ungrounded negative DC current on the PV NEGATIVE wire presents an extreme shock hazard When the fuse has blown due to a fault incorrect handling can be life threatening Use an insulated fuse puller If possible cover PV arrays with an opaque material during this procedure 6 4 The ground fault protection fuse will blow when severe leakage occurs between the PV array and earth ground or when the system has been installed with faulty wiring Before replacing the fuse it is important to have qualified service personnel determine the cause of the ground fault To replace a ground fault protection fuse 1 Remove the wiring box and front panel covers described on page 2 23 and page 3 2
38. d 975 0131 01 01 Mounting the Inverter WARNING Shock hazard Before drilling holes to mount the GT Inverter ensure there are no electrical wires or plumbing in this area AN WARNING Personal injury The GT Inverter weighs approximately 20 kg 45 Ibs Always use proper lifting techniques during installation to prevent personal injury AN WARNING Explosion hazard Do not store combustible or flammable materials anywhere near the inverter Surfaces for Mounting Mounting on poles or rails Mounting to wallboard with support Mounting to siding using wall studs Mounting to concrete surface 975 0131 01 01 The GT Inverter weighs approximately 20 kg 45 Ibs The supporting surface must be strong enough to handle 75 kg 160 Ib If the supporting surface is not strong enough to handle that weight then supporting material such as a sheet of plywood can be used to enhance the strength of the mounting surface The GT Inverter can be mounted to a vertical surface such as wallboard wood siding concrete wall or pole assembly See Mounting on Poles or Rails on page 2 20 Ensure the bottom of the unit is a minimum of 100 cm 39 inches from the ground if mounted outdoors Installation onto wallboard requires either the use of a supporting material such as plywood or securing the mounting screws to supporting wall studs Use at least two screws and anchors to secure the unit to the supporting ma
39. d by the system 305kUWh 4th time Time Online Total time that the system was online today in hh mm ss hours hh minutes mm and seconds ss In a multiple unit system with communications cables properly installed the system values displayed are for the entire system Time online is for the local inverter Multiple unit systems in offline mode display all of the message screens shown in Table 5 6 plus the additional screens shown in Table 5 7 These additional screens are displayed following the Time Online screen These screens are only displayed on multiple unit GT Inverter systems with communications cabling properly installed If you continue to tap the unit then the LCD continues to cycle through all of the available offline mode screens Table 5 7 Additional Offline M ode Screens for Each GT Inverter Unit in a Multiple Unit System Tap Display Description 5th time Unit UU Power being produced by this unit now Today 1 25kWh Cumulative energy produced by this unit today 6th time Unit Lifetime Lifetime energy produced by this unit 150kwh When a fault state is detected the appropriate fault message appears on the front panel display at the next screen refresh i e within 2 seconds The GT Inverter fault message screens are shown in Table 5 8 975 0131 01 01 Fault Mode causes Front Panel Display Screens and What They Mean These message screens only appear when there is a fault and then
40. ded This manual is organized into 6 chapters and an appendix Chapter 1 Introduction contains information about the features and functions of the Xantrex Grid Tie Solar Inverter Chapter 2 Installation provides information about planning for and installing the GT Inverter It contains information to help you plan wire routes AC and DC connections and find a suitable location for installation It also discusses requirements for grounding the GT Inverter and your PV array Chapter 3 Wiring the Inverter provides procedures for making DC and AC wiring connections and grounding the GT Inverter and the PV array Instructions for wiring inverters in parallel are also provided Chapter 4 Starting the Inverter contains information on starting up the Xantrex Grid Tie Solar Inverter and performing a Functional Test Chapter 5 Monitoring the Inverter contains information for understanding the LCD screens and the LED indicators Chapter 6 Maintenance and Troubleshooting contains information about how to provide general maintenance for the Xantrex Grid Tie Solar Inverter It also provides information about troubleshooting the unit Appendix A Specifications contains information about the electrical and environmental specifications of the Xantrex Grid Tie Solar Inverter About This M anual Conventions Used The following conventions are used in this guide WARNING Warnings identify conditions that c
41. e PV array should be free of shade between 9 00 AM and 4 00 PM This requirement includes even small obstructions such as vent pipes chimneys and power lines A small amount of shade can have a disproportionately high impact on system performance e All electrical equipment should be listed for the voltage and current ratings necessary for the application e All wiring should be sized correctly to minimize voltage drop e All exposed wires or conduits should be sunlight resistant e All required overcurrent protections should be included in the system and accessible for maintenance e Depending on the installation an external disconnect may be required if the inverter is installed in a location not easily accessible to utility or fire personnel Consult local authorities for additional information e Integral roofing products should be properly rated e All electrical terminations should be fully tightened secured and strain relieved as appropriate e All mounting equipment should be installed according to the manufacturer s specifications e Allroof penetrations should be sealed with an acceptable sealing method that does not adversely impact the roof warranty e All wires conduit exposed conductors and electrical boxes should be secured and supported according to code requirements 2 5 Installation Voltage and MPPT Requirements MPPT operational window Voltage requirements Maximum PV Power 2 6 Ensu
42. ed and properly torqued according to values shown in Table 3 1 Table 3 1 Torque Values for Wires Wire Size Torque AWG mm in Ib Nm 14 to 10 2 5 to 6 0 35 4 0 8 10 0 40 4 5 6 25 0 45 5 1 Use copper conductors only 975 0131 01 01 3 5 Wiring the Inverter PV String 2 4 PV Array f m Gi i pe V i I PV String 1 I I I I I I l I I I I I l I I I I I l I I I l I I i I I J AC DC Disconnect Switch es 8 AX AXE RN Figure 3 4 DC Connections for Grounded PV Array Important Depending upon installation and local codes fusing and or a combiner box may be required This fusing is to be provided by the installer 3 6 975 0131 01 01 Connecting the AC Wiring Connecting the AC Wiring 975 0131 01 01 WARNING Shock hazard AC utility wiring to the GT Inverter unit is performed directly at the main breaker panel This should be done only by a qualified installer or electrician AX WARNING Shock hazard Before wiring the GT Inverter ensure the main breaker in the primary utility breaker box is switched OFF Switch this breaker ON only after all wiring is completed as instructed in the procedures Importa nt In the United States the National Electrical Code NEC requires the inverter to be connected to a dedicated circuit and no other ou
43. en the protection timer stops the GT Inverter begins selling power indicated by the power output reading in the display see Table 5 2 Normal Operation Default Screen on page 5 4 When the inverter is When the GT Inverter is offline e g at night or a fault condition has been offline or there is detected the LCD shows a message screen to indicate that state The specific fault fault condition condition will be identified See Table 5 5 Offline Mode Default Display on page 5 5 and Table 5 8 Fault Message Screens on page 5 7 Important The values in the front panel LCD are not user adjustable Front panel LCD Tap Xantrex logo for Xantrex ip Xan rex logo for backlight claus screens vas O oO Grid Tie Solar Inverter online ground fault ES o i N e I NI ON Xantrex Wiring Box with Disconnect OFF PVILtility System disconnect meets NEC Article 690 S C a CSS Figure 5 1 Front Panel LCD Location Viewing more Additional screens of information about the performance of the GT Inverter can be information displayed by tapping the Xantrex logo on the inverter front panel This causes the LCD to cycle through a series of information screens in Normal Operation Offline or Fault modes These are described in detail in the following section Front Panel Display Screens and What They Mean 5 2 975
44. es with slight inconsistencies in performance from one module to another Inverter efficiency Wire losses Utility grid voltage For additional information and technical notes concerning PV array performance please visit our Web site at www xantrex com Performing General Maintenance Follow these simple routines to ensure many years of service and optimal performance of your solar energy system 1 Keep the heatsink clear of dust and debris WARNING Shock and fire hazard Do not use a pressure washer to clean the GT Inverter or use other cleaning methods that could allow water to enter the unit Replacing Parts Clean the PV array during the cool part of the day whenever it is visibly dirty Periodically inspect the system to make sure that all wiring and supports are securely in place On a sunny day near noon on March 21 and September 21 of each year review the output of the system and compare with previous year s reading Maintain a log of system performance readings so that you can recognize when system performance becomes inconsistent WARNING Shock hazard There are no user replaceable parts on the GT Inverter Do not attempt to service the unit yourself 975 0131 01 01 See the Warranty and Return Information on page WA 1 for information on how to get service for your GT Inverter 6 3 Maintenance and Troubleshooting Replacing the Ground Fault Protection Fuse WARNING Sho
45. flash alternately with the Inverter Offline default screen Table 5 5 until the fault is corrected Table 5 8 Fault Message Screens Display Description DC Voltage Fault 145 5V When the actual DC voltage is over or under the allowable range 165 to 600 Vdc Self clearing no action required The PV array should be configured such that DC voltage does not fall below 195 Vdc or rise above 600 Vdc AC Voltage Fault PAOV When the actual AC voltage is over or under the allowable range as specified in Output on page A 2 This is a utility fault it will clear itself when the AC voltage comes within the specified range T Frequency Fault O OHz When the actual Frequency is over or under the allowable range as specified in Output on page A 2 This is a utility fault it will clear itself when the frequency comes within the specified range T Over Temp Fault Bl uC 174 5F When the unit s internal temperature is greater than 80 C 176 F the unit will shut down automatically and only restart when the temperature has dropped to less than 70 C 158 F Ground Fault Reset System When a grounding fault is detected The ground fault fuse will be blown The system must be shut down completely the fault corrected the fuse replaced see Replacing the Ground Fault Protection Fuse on page 6 4 and then the system restarted Troubleshooting a grounding fault should be performed by qua
46. g 2 8 M maintenance general 6 3 maximum power point tracking See MPPT mechanical specifications A 5 messages See front panel display model configurations 1 8 model number W A 4 mounting bracket installing 2 17 on backing support 2 21 on poles or rails 2 20 mounting the inverter clearance requirements 2 18 multiple inverters 2 23 on wallboard siding or concrete 2 21 overview 2 16 preparation 2 16 single inverter 2 22 surfaces for 2 19 using poles or rails 2 20 MPPT operational window 2 6 technology 1 3 multiple inverters AC and DC wiring 3 10 communication between 3 12 communications wiring 3 16 configuration 2 2 messages in normal operation 5 5 messages in offline mode 5 6 O operation factors affecting performance 6 2 inverter startup 4 4 messages at startup 5 3 reassembling the unit 4 3 startup procedure 4 2 IX 2 P parallel configuration 1 3 3 10 AC wiring 3 10 communication between inverters 3 12 communications wiring 3 16 DC wiring 3 10 photovoltaic PV power 1 2 power derating A 5 preparing for installation 2 13 proof of purchase WA 4 purchase date WA 4 PV arrays angle of the sun 6 2 checking DC voltage 4 2 effect of shade on performance 6 2 factory ratings 6 2 grounding requirements 2 8 installation recommendations 2 5 matching size to inverter input 2 7 requirements 2 5 temperature affecting performance 6 2 types of modules 2 6
47. g the AC Wiring 3 7 Connecting Inverters in Parallel 3 10 DC and AC Wiring for Inverters in Parallel 3 10 Communications Wiring for Inverters in Parallel 3 12 Xanbus Network Technology 3 12 Guidelines for Routing the Network Cables 3 15 Connect the Communications Cable between Inverters in Parallel 3 16 Starting the Inverter Startup Procedure 4 2 Checking the PV Array DC Voltage 42 Checking the AC Utility Voltage 42 Replacing the Wiring Box Cover 4 3 Starting up the GT Inverter 4 4 Monitoring the Inverter Monitoring the Front Panel Display 5 2 Front Panel Display Screens and What They Mean 5 3 Startup Mode 5 3 Normal Operation Mode 5 3 Offline Mode 5 5 Fault Mode
48. ge 6 3 e Replacing Parts on page 6 3 e Identifying Error Fault Conditions and Solutions on page 6 8 Maintenance and Troubleshooting Factors Affecting GT Inverter Performance PV Array Factors PV array ratings Expected performance Temperature and reduced output Angle of the sun Partial shade 6 2 This section describes several factors that will affect the amount of power that a properly installed and operating GT Inverter can produce PV arrays are rated at ideal factory conditions such as specified illumination 1000 W m spectrum of the light and specified temperature 25 C 77 F which seldom reflect real world installations This is called the STC Standard Test Condition rating and is the figure that appears on the PV module nameplate label Because of several unavoidable environmental factors you can expect your PV array to produce around 60 to 70 of its peak STC rated output for a properly designed and installed PV system on a typical day PV array temperature affects the output of the entire system As the temperature on the array surface heats up its energy output goes down Roof mounted arrays also collect the heat generated by the roof surface or trapped under the array and will produce less output than pole mounted arrays which allow greater air circulation behind the panels Important The GT Inverter will reduce its energy output to protect its electronic circuits from overhe
49. gs e Wood screws and anchors for screws depending on mounting surface Equipment Needed e Wire cutters wire crimpers wire strippers e Assorted screwdrivers drill etc e Level Digital Voltmeter e Frequency counter optional for troubleshooting 975 0131 01 01 Mounting the Overview Mounting the Inverter Inverter AN WARNING Fire Shock and Energy Hazards Before installing the GT Inverter read all instructions and cautionary markings located in this manual on the PV array and on the main service panel General installation steps 975 0131 01 01 There are four main steps in the installation of the GT Inverter 1 Mounting the GT Inverter and installing accessories this chapter 2 Making the DC connections from the PV array to the GT Inverter Connecting the DC Wiring on page 3 4 3 Making the AC connections from the GT Inverter to the main utility service panel Connecting the AC Wiring on page 3 7 4 Grounding the PV array see your PV equipment documentation Figure 2 6 summarizes these four steps Meter PV Panels Primary Earth Ground Utility Utility Grid 600 Vdc Open Circuit Maximum il IG Main Utility Service Panel Xantrex GT Inverter Figure 2 6 Installation Overview Installation Mounting steps Multiple inverter instructions In this chapter only the first step mounting the inverter and in
50. gure 1 4 Wiring Box for the GT Inverter 975 0131 01 01 Removable Components Optional Heat Sink Cover and Fan In areas where high ambient temperatures gt 45 C 110 F may be experienced such a south facing installation a heat sink cover and fan assembly GT Fan Kit Xantrex part 864 0201 can be added to the front of the unit The fan assembly provides forced air ventilation directly over the heat sink The heat sink cover shades the heat sink from direct sunlight and provides a pathway to funnel the forced air from the fans over the heat sink to optimize cooling WARNING Burn hazard In extreme conditions the GT Inverter chassis can reach temperatures over 70 C 158 F which can cause skin burns if accidentally touched Ensure that the GT Inverter is located away from normal traffic areas See Figure 1 3 on page 1 5 for safety label location Heat Sink Cover Fan Assembly E LJ j Front view o Figure 1 5 Optional Heat Sink Cover and Fan Assembly for the GT Inverter 975 0131 01 01 1 7 Introduction Model Configurations The GT Inverter model number is in the format GTx x aa bb ccc where sc XX Output Power aa Region bb Wiring Box e ccc Output Voltage 3 0 KW NA North America DE Germany SP Spain IT Italy FR France WB wiring box only DS wiring box with AC DC disconnect switch HW no wiring box QC Quick Connects and no wiring box Euro
51. has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and the receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help viii 975 0131 01 01 Safety Verification and Commissioning Test Purpose This procedure is designed to verify correct operation of the Xantrex Grid Tie Solar Inverter both on initial operation and periodically through its life as required by the utilities Commissioning Test Follow the startup and monitoring procedures as documented in Chapters 4 and 5 When operation of the inverter has been ver
52. ht intensity Only the inverter RED LED is illuminated 6 8 Ground fault condition detected Check for any fault messages on the display see Table 5 8 on page 5 7 System should be checked by a qualified electrician and repaired 975 0131 01 01 Specifications Appendix A Specifications contains information about the electrical and environmental specifications of the Xantrex Grid Tie Solar Inverter The topics in this appendix are organized as follows Electrical Specifications on page A 2 Environmental Specifications on page A 5 Mechanical Specifications on page A 5 Specifications Electrical Specifications Input Input voltage Maximum Power Point range 195 to 550 Vde Absolute maximum array open circuit voltage 600 Vdc Maximum input current 16 6 A DC Maximum array short circuit current 19 A DC Recommended PV array power Up to 3300 W Reverse polarity protection Short circuit diode Ground fault protection Output GF detection Ippg I A GT3 0 North American GT3 0 European Maximum output power 3000 W AC 3000 W AC Nominal output power over rated temp range 2500 W AC 2500 W AC Maximum utility backfeed current 20A 20A Nominal output voltage 240 V 230 V Operating range utility voltage default 211 to 264 Vac 202 to 253 Vac Nominal output frequency 60 Hz 50 Hz Operating range utility frequency default 59 3 to 60 5
53. ified and the unit is producing power run the Non Islanding test as described in this procedure Verification Test Periodically run the Non Islanding test The inverter must respond within the 2 second limit for compliance and then hold off on producing power for the required delay default value of 5 minutes Non Islanding Test This test requires that the AC circuit for the inverter be switched off This can be accomplished by switching the breaker on the main panel that feeds the inverter s As an alternate the disconnect for the home or business may be used as well Have someone watch the front panel of the inverter Within 2 seconds of switching the breaker the green light on the front of the inverter must go out The display will respond with an AC Fault display indicating that the AC is out of the operating range Re energize the breaker to the inverter The unit will respond by beginning its countdown The green light will be off during this time Five minutes after applying AC default value the green light will turn on and the inverter will begin to push power to the grid The display will then return to its on line display showing the power being produced along with the total kWh produced to date Note The default voltage frequency and reconnect delay values as defined by UL1741 and CSA 107 1 01 are programmed into the unit at time of shipment from the factory No changes to these settings can be made in the field by the user
54. ility Maximum Power Point Tracking MPPT High efficiency Expandable Communications protocol About the Xantrex Grid Tie Solar Inverter The GT Inverter is designed to take advantage of solar modules configured as high voltage PV string arrays single crystalline poly crystalline or thin film with a 195 to 550 Vdc input voltage Maximum Power Point range The GT Inverter uses Xantrex proprietary Maximum Power Point Tracking MPPT technology to harvest the maximum amount of energy from the solar array MPPT learns your array s specific characteristics maximizing its output at all times The high frequency solid state design of the GT Inverter is extremely efficient up to 95 Multiple GT Inverters may be connected in a parallel configuration for increased net metering capacity or future system growth The GT Inverter uses the Xanbus Communications protocol enabling it to communicate with other units connected in parallel within the system For more information see Xanbus Network Technology on page 3 12 Standard Features The GT Inverter has the following standard features e Sealed inverter section with multiple wiring options to facilitate a variety of installation requirements e g hard wired quick connects wiring box with terminals or with AC DC disconnect LCD providing easy to read system status and daily cumulative energy production information e Two LED indicator lights providing s
55. ill help determine the maximum and minimum number of panels that can be used Visit www xantrex com support to use an online PV array sizing tool 2 7 Installation Grounding Requirements WARNING Shock hazard The GT Inverter must be grounded by connection to a grounded permanent wiring system AC Grounding North America Elsewhere PV Grounding The GT Inverter must be connected to a grounded permanent wiring system The negative PV conductor must be bonded to the grounding system at only one point in the system through the internal Ground Fault Detection circuit See Figure 2 2 for the location of the GT Inverter ground bar In other locations AC grounding is governed by local codes Consult with the local utility for specific grounding requirements In North America PV arrays are required to be connected to earth ground in Europe they are not PV Ground Fault Protection PVGFP is required in North America for roof mounted PV arrays The GT Inverter is designed to have all PV positive negative and ground conductors connected inside its wiring box The PV equipment ground should be connected to the GT Inverter ground bar This ground bar must also be connected to the main utility breaker panel ground bar and to the house grounding rod according to NEC requirements see Figure 2 2 The size for the conductor is usually based on the size of the largest conductor in the DC system Long Distance Grounding
56. ing Identifying Error Fault Conditions and Solutions Most error or fault conditions will be identified by fault message screens on the GT Inverter front panel LCD These are described in the Fault Mode section on page 5 6 of this manual Most of these fault conditions are self correcting and require no user action to remedy See Front Panel Display Screens and What They Mean on page 5 3 for more information Table 6 1 is intended to assist in determining fault conditions that may require user action to remedy Table 6 1 Troubleshooting the GT Inverter Problem Cause Remedy e The inverter LED indicator lights do not illuminate and the inverter does not operate in sufficient sunlight The display reads Inverter Offline The Vdc reading is 0 AC DC Disconnect Switch is off or utilty service panel AC or DC breakers are switched off No AC grid or DC array voltage is present Turn on AC DC Disconnect Switch and breakers in the sequence described in Startup Procedure on page 4 2 Check source of the AC voltage Ensure that the inverter AC DC Disconnect Switch is set ON Check AC connections and ensure AC voltage within the range specified in Output on page A 2 is present Check DC connections Check the DC voltage on the positive and negative input terminalsand ensure 195 550 Vdc is present Check for incorrectly wired PV arrays or try again on a day with brighter sunlig
57. ing of wiring can result in significant power losses and reduction in system efficiency Circuit Breakers and Disconnect Switch The following circuit breakers disconnect switch and fuse are required for installing this equipment AC Circuit Breaker Requirements 975 0131 01 01 In North America the main utility service panel must dedicate a double pole breaker 240 volts AC to operate each GT Inverter installed The GT Inverter requires a 20 Amp breaker Installation AC DC Disconnect Switch The wiring box includes a PV Utility disconnect switch that switches both AC and DC at the same time If the inverter is to be installed without the integral Xantrex Wiring Box with Disconnect Xantrex Part 100 0243 01 01 separate approved AC and DC disconnects may be required by local authorities having jurisdiction N WARNING Shock hazard The 600 volt DC AC disconnect in the wiring box meets NEC Article 690 It is a non serviceable component and shall remain in place Removal can expose energized conductors Ground Fault Fuse There is a 600 volt 1 Amp ground fault protection fuse Littelfuse KLKD 1 or equivalent in the GT Inverter AN WARNING Shock hazard Do not attempt to service the ground fault fuse yourself This should only be done by qualified service personnel Other Materials Needed e Mounting support material such as plywood or poles e Conduit for wire runs and appropriate fittings bushin
58. inning and end of the network There should be no empty RJ45 ports 975 0131 01 01 Communications Wiring for Inverters in Parallel PV Array 2 1 I I I I Q PV Array 1 e m m m m m m m m m i x Communications cable in separate conduit from AC and DC wiring Xantrex GT Inverter 1 Xantrex GT Inverter 2 Wiring Box Wiring Box G s TEET g 9 gt TTS Male Terminator _4 v Male Terminator PV PV LINE1 LINE2 PV PV LINE1 LINE2 e HESS 9 95 je e e ee pe 2000 e e o O e gt ND bar Food i barf Ne li ol F 4m e um ee um E n I AC DC Disconnect I AC DC Disconnect I Switch alll Switch m I I i mm EAM NEM NES GG G w e m e mm mm m mm le ee G L1 L2 L1 7o Utility Service Panel See Figure 3 6 on page 3 11 for details of wiring connections Figure 3 11 Communications Wiring for GT Inverters in Parallel 975 0131 01 01 3 17 3 18 Starting the Inverter Chapter 4 Starting the Inverter contains information on starting up the Xantrex Grid Tie Solar Inverter and performing a Functional Test The topics in this chapter are organized as follows e Startup Procedure on page 4 2 e Replacing the Wiring Box Cover on page 43 Starting the Inverter Startup Procedure Starting up the GT Inverter requ
59. ires several steps You will need to 1 Ensure the AC DC Disconnect switch located on the bottom of the GT Inverter unit is in the OFF position see Figure 4 1 2 Check the PV array DC voltage see procedure below Check the AC utility voltage see procedure below 4 Replace the cover on the wiring box see Replacing the Wiring Box Cover on page 4 3 5 Start up the GT Inverter by switching the AC DC Disconnect switch ON WARNING Shock hazard Hazardous voltages are present from two sources Use extreme caution during startup procedure Before applying power to the GT Inverter ensure all AC and DC wiring is correct Checking the PV Array DC Voltage To check the PV array DC voltage 1 Uncover the PV arrays and expose them to full sunlight The sunlight must be intense enough to produce the required output voltage 2 Measure the PV array open circuit DC voltage across the DC positive and negative terminals This voltage must be greater than 150 volts DC to energize the electronics Checking the AC Utility Voltage To check the AC utility voltage 1 Switch on the main and inverter breakers in the main electrical service panel 2 Using an AC voltmeter measure the AC open circuit utility voltage between L1 and L2 Ensure this voltage is at approximately the nominal value The inverter operates with a line to line voltage L1 to L2 range around the nominal value See Output on page A 2 for
60. ith separate lengths of cable as shown in Figure 3 7 For more information on installing a Xanbus network see the Xanbus System Installation Guide available at www xantrex com Jf Xanbus enabled Xanbus enabled Xanbus enabled Device 2 Device 1 Device 3 Terminator Terminator Figure 3 7 Daisy Chain Layout CAUTION Equipment damage Connect only Xanbus enabled devices Although the cabling and connectors used in this network system are the same as ethernet connectors this network is not an ethernet system Equipment damage may result from attempting to connect Xanbus to different systems 3 12 975 0131 01 01 Communications Wiring for Inverters in Parallel Terminators Male network terminators Figure 3 8 are required at both ends of the network to ensure the communication signal quality on the network Figure 3 8 Male Network Terminator GT Inverter Xanbus Two RJ45 ports are provided in the GT Inverter accessible from the wiring box Ports See Figure 3 9 for the location of these ports RJ11 ports RJ45 RS 232 port used to connect a PC to use the GUI not used Xanbus ports See Custom Screens on page 5 9 Figure 3 9 Xanbus RJ 45 Ports in the GT Inverter Wiring Box 975 0131 01 01 3 13 Wiring the Inverter Cabling Requirements AN CAUTION Equipment damage Do not use crossover cable in a Xanbus system The network uses Category 5 CAT 5 ca
61. ities or utilities before commencing installation 2 2 975 0131 01 01 Planning the Installation Utility Grid Single Inverter Installation Xantrex Utility GT Inverter Main Utility Meter MI Service Panel Photovoltaic Panels PV Array NN i Surplus power routed to Utility Grid D Harvested solar energy c Eus rted Loads Power routed PV String 1 toloads Utility Grid Multiple Inverter Installation 1 PV Array 2 Utility Harvested Meter Xantrex GT Inverters Main Utility Service Panel solar energy Surplus power routed to Utility Grid PhotovoltaicPanels Multiple PV Arrays DC converted Harvested en Power routed toloads mm GT Inverter 1 GT Inverter 2 DC converted to AC PV Array 1 Figure 2 1 Installation Options Overview 975 0131 01 01 2 3 Installation Inverter Location WARNING Burn hazard Do not install in a location where people can accidentally come into contact with the front of the inverter High temperatures can be present on the face of the inverter causing a potential burn hazard In extreme conditions the GT Inverter chassis can reach temperatures over 70 C 158 F which can cause skin burns if accidentally touched Ensure that the GT Inverter is located away from normal traffic areas Inverter failure due to improper installation will void
62. le breaker installed in the main utility service panel to the L1 GRID terminal in the wiring box Connect the L2 HOT wire red from the double pole breaker installed in the main utility service panel to the L2 GRID terminal in the wiring box Ensure all connections are correctly wired and properly torqued according to values shown in Table 3 1 on page 3 5 975 0131 01 01 975 0131 01 01 Connecting the AC Wiring Utility Grid feen Utility AN Meter N Neutral Tem aE Main Utility Xantrex GT Inverter Service Panel PV PV Wiring Box LINE1 LINE2 l lol L1 L2 o eere NEUTRAL Q 8 I m m Neutral AC DC Disconnect Switch He I Ground I Bond I I I I Ig eee NS EP Le Primary a Ground Figure 3 5 AC Connections from GT Inverter to Utility Service Panel 3 9 Wiring the Inverter Connecting Inverters in Parallel GT Inverters can be connected in a parallel configuration for larger PV array systems In this configuration separate solar arrays are required for each GT Inverter unit The output of each GT Inverter feeds a separate dual pole 20 Amp circuit breaker L1 and L2 in the main utility service panel DC and AC Wiring for Inverters in Parallel The following procedures are illustrated in Figure 3 6 The illustratio
63. lified personnel Impedance Fault Detected Applicable only in German installations T Unit Shutdoun via Remote Appears if the GT Inverter unit has been shut down via a computer connected to the RS 232 port Protection uP Not Responding The protection processor is not responding tis normal to receive this fault during low light conditions at dawn or dusk At such times the array does not have sufficient energy to power the inverter so the PV voltage drops below 165 volts occasionally T Grid fault When this fault is cleared the protection timer will begin its countdown and you will see the Reconnecting in sss seconds and Inverter Offline special screens see Table 5 10 flashing alternately until the countdown is complete 975 0131 01 01 5 7 Monitoring the Inverter Additional Fault messages for all systems Special Screens 5 8 Additional message screens can be viewed in fault mode by tapping the Xantrex logo near the LCD Each additional tap displays the next screen in the order shown in Table 5 9 Table 5 9 Additional Fault Mode Screens Tap Display Description Ist time Current fault message LCD backlight turns on for better readability screen see Table 5 8 2nd time System OW Energy being produced by the system now Today 2 500kWh Cumulative energy produced by the system today 3rd time System Lifetime Lifetime energy produced by the GT Inverter 3 5kuh sy
64. ling the components Planning DC Wire Routing DC connections include all the wires and connectors between your PV array and the DC terminals of the GT Inverter Pre plan these routes carefully before installing the components 2 12 975 0131 01 01 Preparing for the Installation Preparing for the Installation Wiring Recommended wire stripping length Acceptable wire sizes Ensure your local utility is consulted for any requirements for connecting to or returning power to the grid Obtain all permits necessary to complete the installation Consult your local national electrical code for more information This section includes the following topics e Wiring on page 2 13 e Circuit Breakers and Disconnect Switch on page 2 13 e Other Materials Needed on page 2 14 e Equipment Needed on page 2 14 Important In this manual wiring and wires are used in reference to both AC and DC wiring cabling and wires cables Wire size and length will be determined by the location of each component and their relative distance to each other Wire sizes may also be affected by whether or not conduit is used Strip all wires 9 mm 3 8 inch The AC and DC terminal blocks in the GT Inverter accept wire sizes from 14 AWG to 6 AWG Wiring should be sized such that the maximum voltage drop at full power from the PV array to the inverter is 2 or less Important Wiring should not be undersized Undersiz
65. local codes for grounding requirements PV String 2 Main Utility Service Panel L1 L2 Array Earth Ground Distance gt 30 m 100 ft T 1 utra to Ground Bond GND bar Fzzz2 Primary Earth AC DC Disconnect Ground Switch buried wire C uX X A mp DEED re ES re Fr fr rs Fre NR fr fe se RAE re GE RS Fe EN a Figure 2 3 Long Distance Grounding Overview 2 10 975 0131 01 01 Planning the Installation PV Array Main Utility Service Panel L1 L2 PV String 1 i NEUTRAL 9 S HH 3 8 PV String 2 H e Comm Ground Bond GROUND leeocoooo oco o o Xantrex GT Inverter ev ev Wiring BOX wey une 02020 OJ MO Primary Earth AC DC Disconnect Ground Switch Figure 2 4 Grounding With Extra Lightning Protection Overview Routing the Wires Typical configurations 975 0131 01 01 Determine all wire routes to and from the GT Inverter Typical routing configurations include e AC wiring from the GT Inverter to the main utility service panel DC input wiring from the PV array to the GT Inverter e DC ground from the PV array to the Primary Earth Ground All wiring and installation methods should conform to
66. m temperature limit the GI Inverter reduces its energy output to ensure maximum component ratings are not exceeded GT3 0 GRID TIE SOLAR INVERTER Output Power versus Ambient Temperature 3500 3000 2500 2000 Power Watts 1500 4 1000 500 4 25 15 5 5 15 25 35 45 55 65 Ambient Temperature C Standard Unit w Optional Fan Kit Figure A 1 Output Power vs Ambient Temperature 975 0131 01 01 A 3 Specifications Efficiency Maximum efficiency 94 6 Efficiency at 75 of nominal 94 5 output power rating Euro efficiency 93 3 Nighttime tare loss 1W TYPICAL EFFICIENCY at 195VDC 240VAC 25C 100 90 80 Efficiency 70 60 50 0 500 1000 1500 2000 2500 3000 Output Power W Figure A 2 Typical Efficiency 975 0131 01 01 Environmental Specifications Environmental Specifications Rated operating temperature range 25 to 45 C 13 to 113 F Tolerable operating temperature 25 to 65 C 13 to 149 F range Storage temperature range 40 to 85 C 40 to 185 F Power derating Derating curve above 45 C 4113 F see Figure A 1 on page A 3 Tolerable relative humidity limit Operating 10046 condensing Storage 9596 non condensing
67. n and instructions assume only two inverters but in fact more than two inverters can be used in a parallel configuration If there will be more than one PV string label the positive and negative wire pairs appropriately for example PV 1 PV 2 Connecting DC To wire the PV array to GT Inverters in parallel Wile 1 Install the DC conduit from the PV strings to the GT Inverter wiring boxes through appropriate knockout holes Metal conduit is highly recommended 2 Remove the wiring box cover see page 3 2 3 Route the wires from the PV string s through the conduit and into the wiring box 4 Connect the DC Ground from each PV array to the GND bar in the wiring box 5 Follow the instructions on page 3 4 for connecting POSITIVE and NEGATIVE wires from each PV array to each GT Inverter 6 Ensure all connections are correctly wired and properly torqued according to values shown in Table 3 1 on page 3 5 Connecting AC To wire the main utility service panel to the GT Inverters in parallel MED 1 Run conduit from the main utility service panel to the wiring boxes of the GT Inverters 2 Follow the instructions on page 3 7 for connecting L1 and L2 HOT wires and ground wire from the main utility service panel to each GT Inverter 3 Ensure all connections are correctly wired and properly torqued according to values shown in Table 3 1 on page 3 5 3 10 975 0131 01 01 Connecting Inverters in Parallel ve
68. n messages can be viewed To view more Normal Operation information e Tap the Xantrex logo near the LCD to advance the display to the next screen Normal operation screens shown in Table 5 3 are displayed in the order given as you tap successively on the unit They are common to all GT Inverter systems no matter how many units are installed If you continue to tap the unit then the LCD continues to cycle through all of the available normal operation screens Each screen is displayed for a maximum of 30 seconds If you do not tap again during that time period then the LCD backlight turns off and the display reverts to the default system message screen Table 5 3 Normal Operation Screens for All GT Inverter Units Tap Display Description Ist time System 2000W LCD backlight turns on for better readability Today 2 S500kWh and default Normal Operation screen is displayed 2nd time System Lifetime Lifetime energy produced by the GT Inverter 3 5kuh system 3rd time Time Online Length of time inverter has been online today in Today hh mm ss hours hh minutes mm and seconds ss 4th time Array Readings Immediate DC voltage and current readings 350 5V B HA from the PV array 5th time Grid Readings Immediate AC voltage and frequency readings gug EV bO O0Hz from the Grid 975 0131 01 01 Additional messages for multiple unit systems only Offline Mode Offline default display Offline messages for
69. ng Box Cover AC and DC connections are made at the wiring terminals shown in Figure 3 2 The clear plastic insulating barrier inside the wiring box is a permanent component It is intended to separate the high voltage AC and DC wiring from any communications cabling and to prevent wiring from coming into contact with the wiring box cover When wiring the unit it is necessary to pull the cover back to access the wiring terminals After completing the wiring replace the insulating barrier to its original position For multiple inverters in parallel communications wiring is connected between RJ45 connectors on each inverter see Figure 3 9 975 0131 01 01 DC Terminals for connecting PV arrays le 8388 2358 7 E SS ee Disconnect C a AC DC Switch PV Grid L1 Grid L1 Figure 3 2 AC and DC Terminal Block Location in the Wiring Box 975 0131 01 01 Accessing the Wiring Terminals AC Terminals for connecting to main utility service panel Grid L2 Grid L2 3 3 Wiring the Inverter Connecting the DC Wiring WARNING Shock hazard Whenever a PV array is exposed to sunlight a shock hazard exists at the output wires or exposed terminals Ensure that the AC DC Disconnect Switch is set to OFF before commencing any wiring See Figure 3 3 WARNING Shock hazard
70. ng in sss seconds screen appears until the timer countdown is complete Normal Operation Mode Normal Operation default display 975 0131 01 01 The LCD on the GT Inverter is refreshed every two seconds so all readings are current to within two seconds There is a default display available at all times and a series of additional screens that can be displayed by tapping the Xantrex logo near the LCD to change the display After the protection timer has completed its countdown and during normal operation the GT Inverter displays the normal operation message screen shown in Table 5 2 5 3 Monitoring the Inverter More screens for all systems 5 4 Table 5 2 Normal Operation Default Screen Display Description System 2000W Today 9 875kWh Power being produced by the system now Cumulative energy produced by the system today If there is sufficient energy from the PV array this screen is displayed continuously while the system is operating normally In a multiple unit system with communications cables properly connected the power and cumulative energy values displayed are for the entire system During low light conditions when the GT Inverter cannot produce any power the Normal Operation default screen flashes alternately every two seconds with the Insufficient Solar Energy screen see Table 5 10 Special Message Screens on page 5 8 Besides the default normal operation display more system informatio
71. of the cover This example starts on the right side 1 Press the right side of the heat sink cover inward i e toward the left side and simultaneously lift it upwards to pull it out of the groove on the right side of the inverter Pull the left side of the cover out of the inverter left side groove 975 0131 01 01 Wiring the Inverter Chapter 3 Wiring the Inverter provides procedures for making DC and AC wiring connections and grounding the GT Inverter and the PV array Instructions for wiring inverters in parallel are also provided The topics in this chapter are organized as follows e Accessing the Wiring Terminals on page 3 2 e Connecting the DC Wiring on page 3 4 e Connecting the AC Wiring on page 3 7 e Connecting Inverters in Parallel on page 3 10 Wiring the Inverter Accessing the Wiring Terminals Insulating barrier Communications wiring 3 2 You must remove the GT Inverter wiring box cover to access the terminal blocks ground bar and communications ports for inverters in parallel To remove the wiring box cover 1 Using a Phillips screwdriver remove the two screws on the bottom side of the wiring box and set in a safe place see Figure 3 1 for location of screws 2 Lift the cover off the wiring box When replacing the wiring box cover be careful not to pinch any wires in the wiring box Wiring box cover screws Knockouts Figure 3 1 Removing the Wiri
72. or Grounded PV Array 3 6 AC Connections from GT Inverter to Utility Service Panel 3 9 Parallel GT Inverter DC and AC Wiring 3 11 Daisy Chain Layout 3 12 Male Network Terminator 3 13 Xanbus RJ45 Ports in the GT Inverter Wiring Box 3 13 RJ45 Connector 3 14 Communications Wiring for GT Inverters in Parallel 3 17 AC DC Disconnect Switch Positions 4 4 Front Panel LCD Location 5 2 Location of Status Indicator Lights 5 10 Location of Fuse Front Panel Cover Removed 6 5 Inverter and Wiring Box Sections 6 7 Output Power vs Ambient Temperature A 3 Typical Efficiency A 4 975 0131 01 01 xv xvi Tables Table 1 1 Table 2 1 Table 2 2 Table 3 1 Table 3 2 Table 3 3 Table 5 1 Table 5 2 Table 5 3 Table 5 4 Table 5 5 Table 5 6 Table 5 7 Table 5 8 Table 5 9 Table 5 10 Table 5 11 Table 6 1 GT Inverter Models 1 8 MPPT Oper
73. ould result in personal injury or loss of life CAUTION Cautions identify conditions or practices that could result in damage to the unit or other equipment Important These notes describe things which are important for you to know but not as serious as a caution or warning Abbreviations and Acronyms AC Alternating Current CSA Canadian Standards Association DC Direct Current GT Grid Tie GUI Graphical User Interface LCD Liquid Crystal Display LED Light Emitting Diode MPPT Maximum Power Point Tracking PC Personal Computer PV Photovoltaic PVGFP PV Ground Fault Protection PWM Pulse Width Modulation STC Standard Test Condition UL Underwriters Laboratories Vac Volts AC Vdc Volts DC VMP Voltage at Maximum Power Voc Open Circuit Voltage iv 975 0131 01 01 About This M anual Related Information 975 0131 01 01 You can find more information about Xantrex Technology Inc as well as its products and services at www xantrex com Other useful documentation on photovoltaic systems includes A Guide to Photovoltaic PV System Design and Installation California Energy Commission CEC publication 500 01 020 June 2001 available at www energy ca gov e California Interconnection Guidebook a Guide to Interconnecting Customer owned Electric Generation Equipment to the Electric Utility Distribution System using California s
74. outside of the contiguous United States and Canada How do you get service If your product requires troubleshooting or warranty service contact your merchant If you are unable to contact your merchant or the merchant is unable to provide service contact Xantrex directly at Telephone 1 800 670 0707 toll free North America 1 360 925 5097 direct Fax 1 800 994 7828 toll free North America 1 360 925 5143 direct Email customerservice xantrex com Direct returns may be performed according to the Xantrex Return Material Authorization Policy described in your product manual For some products Xantrex maintains a network of regional Authorized Service Centers Call Xantrex or check our website to see if your product can be repaired at one of these facilities What proof of purchase is required In any warranty claim dated proof of purchase must accompany the product and the product must not have been disassembled or modified without prior written authorization by Xantrex Proof of purchase may be in any one of the following forms e The dated purchase receipt from the original purchase of the product at point of sale to the end user or e The dated dealer invoice or purchase receipt showing original equipment manufacturer OEM status or e The dated invoice or purchase receipt showing the product exchanged under warranty 975 0131 01 01 WA 1 Warranty and Return What does this warranty not cover This Limited Warranty does not c
75. over normal wear and tear of the product or costs related to the removal installation or troubleshooting of the customer s electrical systems This warranty does not apply to and Xantrex will not be responsible for any defect in or damage to a the product if it has been misused neglected improperly installed physically damaged or altered either inter nally or externally or damaged from improper use or use in an unsuitable environment b the product if it has been subjected to fire water generalized corrosion biological infestations or input voltage that creates operating conditions beyond the maximum or minimum limits listed in the Xantrex product specifi cations including high input voltage from generators and lightning strikes c the product if repairs have been done to it other than by Xantrex or its authorized service centers hereafter ASCs d the product if it is used as a component part of a product expressly warranted by another manufacturer e the product if its original identification trade mark serial number markings have been defaced altered or removed Disclaimer Product THIS LIMITED WARRANTY IS THE SOLE AND EXCLUSIVE WARRANTY PROVIDED BY XANTREX IN CONNECTION WITH YOUR XANTREX PRODUCT AND IS WHERE PERMITTED BY LAW IN LIEU OF ALL OTHER WARRANTIES CONDITIONS GUARANTEES REPRESENTATIONS OBLIGATIONS AND LIABILITIES EXPRESS OR IMPLIED STATUTORY OR OTHERWISE IN CONNECTION WITH THE PRODUCT HOWEVER ARISI
76. panels required in the PV string panels connected in series you must ensure that the following two requirements are met l To avoid damage to the inverter ensure that the PV array output will never exceed 600 Vdc under any conditions To achieve maximum energy harvest from your array ensure that the Vjyp voltage at maximum power does not drop below 195 Vdc or increase above 550 Vdc under most conditions Guidelines to help you meet these requirements Consider the expected Voc of the string under all possible conditions The panel manufacturer provides a Voc rating per panel but it is usually rated at 25 C 77 F Panel voltage increases in cold temperatures the panel manufacturer should be able to provide a coefficient of voltage increase per degree The NEC also has required temperature voltage deratings that must be used these can be found in Table 690 7 of the 2002 NEC handbook You need to determine the coldest temperatures expected on the site and size the array strings accordingly The array s maximum DC voltage in coldest expected temperature with both manufacturer coefficient and NEC derating must not exceed 600 Vdc to prevent inverter damage Panel voltage decreases in high temperatures This will affect the panels Vmp Again the manufacturer s coefficient must be used with the highest expected temperature to determine the minimum V yp Once you know the specifications of your panels all these factors w
77. pe only not available at this time 208 Vac 60 Hz North America 3 phase 230 Vac 50 Hz Europe 3 phase 240 Vac 60 Hz North America See Figure 1 3 on page 1 5 for data label location Table 1 1 shows the different model configurations available Table 1 1 GT Inverter M odels Output Output Wiring Box bb Model Number Power Voltage x x ccc WB DS HW QC GT3 0 NA bb 208 208 y J J GT3 0 aa bb 230 3 0 230 y y GT3 0 NA bb 240 240 4 1 208 Vac 60 Hz and 230 Vac 50 Hz models not available at this time 2 any region aa except NA Installation and wiring instructions are provided in Chapter 2 Installation and Chapter 3 Wiring the Inverter 1 8 975 0131 01 01 Installation Chapter 2 Installation provides information about planning for and installing the GT Inverter It contains information to help you plan wire routes AC and DC connections and find a suitable location for installation It also discusses requirements for grounding the GT Inverter and your PV array Procedures are provided for installing the Xantrex Grid Tie Solar Inverter The topics in this chapter are organized as follows Installation Options on page 2 2 Planning the Installation on page 22 Preparing for the Installation on page 2 13 Mounting the Inverter on page 2 15 Installing Accessories on page 2 23 Installation Installation Options The GT Inve
78. r Unit in a Multiple Unit System Tap Display Description 6th time Unit 1500W Power being produced by this unit now Today 1 250kWh Cumulative energy produced by this unit today 7th time Unit Lifetime Lifetime energy produced by this GT Inverter unit 150kwh At night and when no power is being produced by the PV array offline mode the GT Inverter displays the screen shown in Table 5 5 Table 5 5 Offline Mode Default Display Display Description Inverter Offline Displayed at all times while the system is offline Additional message screens can be viewed when the system is offline by tapping the Xantrex logo near the LCD Each additional tap displays the next screen in the order shown in Table 5 6 5 5 Monitoring the Inverter Additional Offline messages for multiple unit systems Fault Mode 5 6 These message screens are common to all GT Inverter systems no matter how many units are installed If you continue to tap the unit then the LCD will continue to cycle through all of the available offline mode screens Table 5 6 Offline Mode Screens for All GT Inverter Units Tap Display Description Ist time Inverter LCD back light turns on for better readability Offline and default Offline Mode screen is displayed 2nd time System OW Power being produced by the system now Today 2 SOkWh Cumulative energy produced by the system today 3rd time System Lifetime Lifetime energy produce
79. re that the PV array used in the system operates within the MPPT operational window Table 2 1 Table 2 1 MPPT Operational Window Voltage Effect of Array Voltage Inverter Mode lt 195 Vde Operating voltage will be shifted to 195 Vdc Low power the array will not be at its maximum power point 195 to 550 Vdc Maximum harvest of solar energy MPPT window 550 to 600 Vdc Will not allow maximum harvest of solar Power derating energy gt 600 Will shut down and may cause damage to the Shutdown inverter stops selling surplus energy The maximum power point voltage of a string connected to the GT Inverter should be a minimum of 195 Vdc If it is less than 195 Vdc then the power point is shifted and the PV voltage is regulated to 195 Vdc By regulating the operating voltage of the solar modules the MPPT software maximizes their output energy Effects of array voltages outside of the MPPT operational window are shown in Table 2 1 The solar array should be sized such that its maximum power output does not exceed the limits of the MPPT operational window 195 to 550 Vdc See Guidelines for Matching PV Array Size to Xantrex Grid Tie Solar Inverter Input Under no conditions should the array voltage exceed 600 Voc open circuit voltage 975 0131 01 01 Planning the Installation Guidelines for Matching PV Array Size to Xantrex Grid Tie Solar Inverter Input 975 0131 01 01 For determining the number of
80. res with wire nuts 5 Inside the inverter remove the four nuts attaching the wiring box to the inverter 6 Lift the inverter off the mounting bracket leaving the wiring box in place 975 0131 01 01 Replacing Parts Front view Back view Inverter Lower flange behind wiring box xantrex j pe Wiring box Bi arc 7 Ue S O Q Figure 6 2 Inverter and Wiring Box Sections To replace the inverter on the wiring box 1 975 0131 01 01 If it has not already been removed remove the front panel cover on the inverter now The wiring box cover should have been removed in the previous procedure Mount the inverter on the upper mounting bracket above the wiring box with the lower flange behind the wiring box Replace the nuts that connect the inverter and the wiring box Secure all nuts tightly Remove the wire nut from the PV NEGATIVE gt wire and reconnect it to the terminal block inside the inverter Uncap the remaining DC and AC wires and reconnect them to the terminal block inside the inverter Replace the front panel and wiring box covers described on page 2 23 and page 4 3 Turn ON the breaker switches in the main utility service panel and the AC DC Disconnect switch on the GT Inverter 6 7 Maintenance and Troubleshoot
81. result in a risk of electrical shock or fire and will void the factory warranty 8 To reduce the risk of electrical shock disconnect both AC and DC power from the GT Inverter before attempting any maintenance or cleaning or working on any circuits connected to the inverter Turning off controls will not reduce this risk Internal capacitors remain charged for 5 minutes after disconnecting all sources of power 9 The GT Inverter must be provided with an equipment grounding conductor connected to the AC ground 975 0131 01 01 vii Safety Regulatory Compliance The GT Inverter has complete on board over current over temperature and anti islanding protection and meets U S Canadian and international safety operating standards and code requirements e UL 1741 Standard for Inverters Converters and Controllers for Use in Independent Power Systems e CSA C22 2 No 107 1 01 General Use Power Supplies e IEEE C62 41 Recommended Practice on Surge Voltages in Low Voltage AC Power Circuits Location Category B3 To locate the firmware version number The firmware version number for the protection processor is visible on a screen that appears when the unit starts up or is powered up after switching the AC DC Disconnect switch to on The screen reads Flash 01 04 ROM 01 04 The number appearing after ROM is the firmware version number for the protection processor FCC Information to the User This equipment
82. ring Box for the GT Inverter 1 6 Optional Heat Sink Cover and Fan Assembly for the GT Inverter 1 7 Installation Options Overview 2 3 Basic Grounding Overview 2 9 Long Distance Grounding Overview 2 10 Grounding With Extra Lightning Protection Overview 2 11 Knockout Locations on Bottom of Wiring Box 2 12 Installation Overview eee ee 2 15 Dimensions of GT Inverter and Knockout Locations 2 17 Mounting Bracket and GT Inverter 2 18 Examples of Mounting on a Pole or Rails 2 20 Installing the Mounting Bracket using Plywood Support 2 21 Proper Placement of the Inverter on the Mounting Bracket 2 22 Attaching the fan assembly 2 24 Location of Fan Connector 2 25 Removing the Wiring Box Cover 3 2 AC and DC Terminal Block Location in the Wiring Box 3 3 AC DC Disconnect Switch Positions 3 4 DC Connections f
83. rter may be installed as a single inverter for a single PV array of one or two PV strings or in a multiple inverter configuration for multiple PV arrays see Figure 2 1 for diagrams of both options Single Inverter Installation In this configuration a single inverter collects the harvested solar energy and routes the power to the main utility service panel to be used by the loads Any surplus power not used by the loads will be injected into the utility grid Multiple Inverter Installations If multiple inverters are used each inverter must be wired to an independent PV array In this configuration each inverter collects the harvested solar energy from a separate PV array and routes the power to the main utility service panel to be used by the loads Any surplus power not used by the loads will be injected into the utility grid Communications between inverters is optional but can be enabled by installing communications cabling to the inverter RJ45 ports See Connect the Communications Cable between Inverters in Parallel on page 3 16 Planning the Installation The following issues need to be considered when planning for an installation using the GT Inverter See the specified sections for more information e Inverter Location on page 2 4 e PV Array Requirements on page 2 5 e Grounding Requirements on page 2 8 e Routing the Wires on page 2 11 Ensure that you have obtained all permits required by local author
84. s 2 13 wiring box description 1 6 removing the cover 3 2 removing the inverter from 6 6 RJ45 connectors 3 3 terminal block location 3 3 X Xanbus technology 3 12 Xantrex web site v 975 0131 01 01 Index IX 4 Xantrex Technology Inc 1 800 670 0707 Tel toll free NA 1 360 925 5097 Tel direct 1 800 994 7828 Fax toll free NA 1 360 925 5143 Fax direct customerservice xantrex com Www xantrex com 975 0131 01 01 Printed in China
85. sink are not too hot to touch before attempting this procedure Important The fan assembly should only be installed by qualified personnel The fan assembly see Figure 1 5 on page 1 7 is optional for the GT Inverter Installing the fan assembly involves two main steps 1 Attaching the fan assembly to the inverter 2 Connecting the fan wires 975 0131 01 01 2 23 Installation To attach the fan assembly to the inverter 1 Using a Phillips screwdriver remove the four panhead screws and washers from the front panel of the inverter two screws on each side immediately below the heat sink see Figure 2 12 2 Place the fan bracket with screw holes overlapping the screw holes on the inverter The fans should be facing up on the upper side of the fan bracket 3 Replace the four panhead screws and washers removed in step 1 Figure 2 12 Attaching the fan assembly 2 24 975 0131 01 01 Installing Accessories To connect the fan wires 1 Remove the wiring box cover by removing the two screws on the underside of the wiring box Removing the wiring box cover will expose the screws that secure the front panel cover Remove the front panel cover by removing the two screws on the underside of the front panel Plug the wire leads from the fan assembly into the pin connectors on the DC circuit board The pins are located to the left of the LCD below the ground fault protection fuse Replace the front
86. stalling accessories is described Instructions for mounting the GT Inverter are described in the following sections e Preparing to Mount the Unit on page 2 16 e Installing the Mounting Bracket on page 2 17 e Mounting the Inverter on the Bracket on page 2 22 e Installing Accessories on page 2 23 Mounting instructions for multiple inverters connected in parallel are described in Mounting Multiple Inverters in Parallel on page 2 23 Special wiring instructions for multiple inverters connected in parallel are described in Connecting Inverters in Parallel on page 3 10 Preparing to Mount the Unit Dimensions and Knockout Locations The dimensions of the inverter and the mounting bracket and some of the knockout locations on the wiring box are shown in Figure 2 7 Four 2 cm or 2 5 cm 3 4 inch or 1 inch knockouts are provided on the back and bottom of the unit to accommodate wiring e two on the bottom of the wiring box on either side of the AC DC Disconnect Switch e two on the back of the wiring box Four 2 cm 3 4 inch conduit holes on the sides of the wiring box are filled with plastic plugs which can be removed to insert conduit nipples as required for inverters mounted in parallel One or two of these side conduit holes may be used to accommodate communications wiring for multiple inverters mounted in parallel Knockout Preparation Remove your choice of knockouts from the wiring box to f
87. stem 4th time Time Online Length of time inverter was online today in Today hh mm ss hours hh minutes mm and seconds ss 5th time Array Readings Immediate DC voltage and current readings of 350 5V 8 44 power from the PV array 6th time Grid Readings Immediate AC voltage and frequency readings c4c bV bO OHz of power from the Grid In a multiple unit system with communications cables properly installed the system values displayed are for the entire system Time online and array readings are for the local inverter and PV array associated with that inverter Special message screens are displayed in specific situations that are not considered fault situations They can appear in any mode of operation These screens are described in Table 5 10 Table 5 10 Special Message Screens Display Description Reconnecting in sss seconds Time remaining in seconds sss before the GT Inverter reconnects to the Grid This is a protection timer it runs for approximately five minutes at startup and after any Grid fault Inverter Offline GT Inverter switching or has switched from Normal Operation to Offline mode This screen may flash alternately with a Fault message screen 975 0131 01 01 Status Indicator Lights Table 5 10 Special Message Screens Display Description System 3500U The x in these two screens see Table 5 2 and Table 5 4 Today 15 S5bkWh indicates that the unit is derating i
88. ta Label Location Figure 1 3 Safety and Data Label Locations Figure 1 3 shows the location of the safety label and the data label with model serial and part number information 975 0131 01 01 1 5 Introduction Removable Components The wiring box is standard for all North American models of the GT Inverter Some European models are available without the wiring box See Model Configurations on page 1 8 for specific details The heat sink cover and fan assembly are available in the optional Fan Kit Wiring Box standard on North American models 1 6 The wiring box provides a location for making AC DC and ground connections It also contains the combined AC DC Utility PV array Disconnect Switch The GT Inverter unit may be easily removed from the wiring box in the event that the inverter requires servicing Important In North America and other locations the wiring box is an electrical code requirement It must be attached during operation Check with your local authorities before removing the GT Inverter wiring box DC Connect holes Control Board Connect hole AC Connect hole 1 9 cm 3 4 Threaded Conduit holes Wiring Box Front Cover AC DC Disconnect A Switch Fi
89. tatus and ground fault indication e Wiring box providing protection for all AC and DC connections and eliminating exposed live wiring if the inverter is removed WARNING Shock hazard The 600 volt DC AC disconnect in the wiring box meets NEC Article 690 It is a non serviceable component and shall remain in place Removal can expose energized conductors 975 0131 01 01 1 3 Introduction Optional Features 1 4 GT Fan Kit Xantrex part 864 0201 includes e Heat sink cover e Fan assembly Xantrex GT3 0 Inverter Grid Tie Salar Inverter Heat Sink Optional Heat Sink cover LCD LED Indicator Lights Wiring Box AC DC Disconnect Switch Mounting Slots Figure 1 2 Main Features of the GT Inverter 975 0131 01 01 About the Xantrex Grid Tie Solar Inverter Safety and Standards Meets standards and The GT Inverter has complete on board over current over temperature and anti requirements islanding protection and meets U S Canadian and international safety operating standards and code requirements UL 1741 Standard for Inverters Converters and Controllers for Use in Independent Power Systems e CSAC222 No 107 1 01 General Use Power Supplies Safety Label Location Da
90. terial If mounting to exterior siding using a wall stud for support the plywood backing will not be needed Use at least two lag screws to secure the unit to the supporting material Ensure the screws enter the stud at least 4 cm 1 5 inches to adequately support the weight of the unit See Mounting on Wallboard Siding or Concrete on page 2 21 If mounting the unit on a concrete surface using anchors with no supporting material use four screws and anchors instead of two to adequately secure the unit and distribute the weight Important Local codes may impose additional mounting requirements in earthquake or other high risk areas Important Other than the mounting bracket no mounting hardware is supplied with the GT Inverter Installation Mounting on Poles or Rails To mount the unit using poles 1 Ensure that poles or rails are securely assembled in place If using horizontal rails three rails are required two for the mounting bracket and a third for securing the bottom edge of the inverter wiring box see Figure 2 9 2 Connect the mounting bracket vertically to the poles or rails Figure 2 9 e Be sure to use at least two bolts to secure the mounting bracket to the support Position the lower edge of the bracket a minimum of 110 cm 43 inches above the floor or ground 3 If using a single
91. the inverter warranty Consider the following when determining where to install the inverter Fire Safety Do not install anywhere near combustible or flammable materials Indoor Outdoor The GT Inverter uses a Type 3R rated enclosure vertical mount only that can be mounted indoors or outdoors Type 3R enclosures are intended for outdoor use primarily to provide a degree of protection against falling rain and to be undamaged by the formation of ice on the enclosure While the 3R rated enclosure protects the GT Inverter from moisture outdoor installations should be located away from lawn sprinklers and other sources of spray Orientation The GT Inverter must be mounted vertically on a wall or pole e Do not mount the GT Inverter horizontally Temperature Ensure that the GT Inverter is mounted in a location where the ambient temperature range is 25 to 4 65 C 13 to 4 149 F Atextreme hot or cold temperatures the front panel LCD may not function normally Above 45 C 113 F the unit begins derating power See Environmental Specifications on page A 5 and Output Power vs Ambient Temperature on page A 3 Ground e Outdoors the GT Inverter requires at least 100 cm 39 inches of Clearance clearance between the bottom of the unit and the ground ndoors it is recommended that the same clearance between the bottom of the unit and the floor be used Distance To minimize copper losses ensure that wire lengths
92. the operating utility voltage range for the GT Inverter 4 2 975 0131 01 01 Replacing the Wiring Box Cover Replacing the Wiring Box Cover After performing the voltage checks replace all covers that were removed during installation and startup 975 0131 01 01 AN WARNING Shock hazard Before reattaching covers turn OFF the breaker switches in the main utility service panel and the AC DC Disconnect switch on the GT Inverter If the front panel cover was removed from the GT Inverter then it must be replaced before the wiring box cover is replaced To replace the front panel cover 1 Place the cover in position on the front panel being careful not to pinch any wires The fan wires should pass through the notch in the upper edge of the front panel cover Ensure that the two screw holes in the bottom of the front panel cover are aligned with the corresponding holes in the bottom of the inverter not the wiring box Replace the two screws removed when the cover was removed see Installing the Fan Assembly on page 2 23 and tighten securely To replace the wiring box cover 1 Place the cover in position on the wiring box being careful not to pinch any wires in the wiring box Ensure that the two screw holes in the bottom of the wiring box cover are aligned with the corresponding holes in the bottom of the wiring box Replace the two screws removed when the cover was removed see Accessing the
93. tlets or devices may be connected to this circuit The NEC also imposes limitations on the size of the inverter and the manner in which it is connected to the utility grid The circuit breakers that are used in the main panel that feed the inverter circuit must be for back fed operation and labeled as such The GT Inverter can be connected to a single bi directional meter or to dual meters where one meter indicates power used and the second meter indicates power sold power supplied back to the utility Consult with the local utility to determine the proper components to install and obtain any permits required prior to installation The following procedure is illustrated in Figure 3 5 Important Neutral conductor wiring is not required in this installation 3 7 Wiring the Inverter 3 8 To wire the main utility service panel to the GT Inverter 1 Install conduit from the main utility service panel to the wiring box of the GT Inverter Run the two HOT wires L1 and L2 and ground wire from the service panel through the conduit and into the inverter wiring box Install or use an existing double pole 20 Amp circuit breaker or two single pole breakers ganged in the main utility service panel and ensure that the breakers are set to OFF Connect the ground wire green or bare copper from the ground bar in the main utility service panel to the GND bar in the wiring box Connect the L1 HOT wire black from the double po
94. ts output power because the inverter heat sink temperature is above 75 C 167 F Unit 1400W LOSS Bekah The asterisk only appears when the power is actually being limited by the inverter Insufficient Indicates the GT Inverter is not producing power due to Solar Energy insufficient solar energy during low light conditions in early morning or late afternoon or when the PV array is in shade This screen flashes alternately with the Normal Operation default screen Custom Screens Two custom screens are available The inverter does not display them unless they are configured using a computer connected to the RS 232 port inside the wiring box If programmed the custom screens display as the fourth and fifth screens during the startup sequence They can also be viewed by tapping the unit during normal operation and fault mode The first custom screen is intended for the home owner to display information such as the name or location of the PV array associated with the inverter The second custom screen is intended for installers who can configure the screen to display for example contact information for service A PC graphical user interface that can be used for configuring custom screens is available for download at www xantrex com Status Indicator Lights The GT Inverter is equipped with two status indicator lights LEDs located below the front panel LCD Figure 5 2 These LEDs indicate the inverter s current sta
95. tuds are available for support For multiple inverters mounted in parallel the brackets should be mounted 30 cm 12 inches apart Inverters mounted less than 30 cm 12 inches apart may not achieve full rated power 5 Remove the bracket and drill the holes using an appropriately sized drill bit Drill appropriately sized holes for screws or anchors 6 Secure the bracket to the supporting surface using at least two screws and washers 975 0131 01 01 2 21 Installation Mounting the Inverter on the Bracket Mounting a Single Inverter To mount the inverter on the mounting bracket 1 Place the GT Inverter s mounting hooks located on the back of the enclosure over the bracket and ensure the inverter is seated properly as shown in Figure 2 11 2 After the unit is correctly seated on the bracket hooks locate the mounting slots in the flange below the wiring box and mark the location on the wall for securing screws 3 Remove the inverter and drill pilot holes in the wallboard or siding for the securing screws 4 Reinstall the GT Inverter on the bracket and secure the bottom of the unit with appropriate screws or anchors and tighten Slide the mounting hooks on the inverter I over the hooks on the mounting bracket mo rh Ex 7 flange with noem 100 cm PINE
96. tus Table 5 11 and assist in troubleshooting the performance of the unit Only one indicator light will be lit at any time Table 5 11 Status Indicator LEDs LED on Means GREEN GT Inverter is on DC voltage and AC voltage are qualified and the protection timer has finished and delivering energy to the grid No action required Turns off when a fault state is detected 975 0131 01 01 5 9 Monitoring the Inverter Table 5 11 Status Indicator LEDs LED on Means RED Ground fault condition detected Check for any fault messages on the display see Table 5 8 and refer also to Table 6 1 Troubleshooting the GT Inverter on page 6 8 to resolve the fault condition aeo __ Xantrex EN o4 Red LED Grid Tie Solar Inverter online ground fault aR db l e 7 IL Xantrex Wiring Box with Disconnect OFF ON PV Ltility System disconnect meets NEC Article 690 Figure 5 2 Location of Status Indicator Lights 5 10 975 0131 01 01 Maintenance and Troubleshooting Chapter 6 Maintenance and Troubleshooting contains information about how to provide general maintenance for the Xantrex Grid Tie Solar Inverter It also provides information about troubleshooting the unit The topics in this chapter are organized as follows Factors Affecting GT Inverter Performance on page 6 2 e Performing General Maintenance on pa
97. vertical pole ensure that the inverter is secure and unable to rotate around the pole Mounting Bracket e e P e D B EN 000 I gt gt QGOQOG At least 2 bolts to 48 cm e secure bracket to gt o gt o e i 18 9 D poles rails c R 15 cm e 5 9 e o o 0o 0 0 0 0 6 09 00 LJ 110cm e For securing 437 the bottom of 100cm e the wiring box e 39 e Ground e Ground Floor e Floor Figure 2 9 Examples of Mounting on a Pole or Rails 975 0131 01 01 Mounting the Inverter Mounting on Wallboard Siding or Concrete To mount the GT Inverter to wallboard siding or concrete 1 Locate the area where the GT Inverter is to be installed 2 Install backing support material if required See Figure 2 10 east 2 screws with washers to secure bracket SE gt to plywood 110 cm 43 110 cm 43 Ground Floor Ground Floor Single GT Inverter Dual GT Inverters Figure 2 10 Installing the Mounting Bracket using Plywood Support 3 Using a level place the mounting bracket against the wall surface at least 110 cm 43 inches from the ground See Table 2 2 on page 2 18 to ensure minimum clearance requirements are met 4 Mark the location for mounting screws if using a wall stud for support At least four mounting screws and anchors are needed for concrete installations or wallboard installations where no wall s
98. y apply to that particular facility Out of Warranty Service If the warranty period for your Xantrex Grid Tie Solar Inverter has expired if the unit was damaged by misuse or incorrect installation if other conditions of the warranty have not been met or if no dated proof of purchase is available your product may be serviced or replaced for a flat fee To return your Xantrex Grid Tie Solar Inverter for out of warranty service contact Xantrex Customer Service for a Return Material Authorization RMA number and follow the other steps outlined in Return Procedure on page WA 3 Payment options such as credit card or money order will be explained by the Customer Service Representative In cases where the minimum flat fee does not apply as with incomplete units or units with excessive damage an additional fee will be charged If applicable you will be contacted by Customer Service once your unit has been received 975 0131 01 01 WA 3 Warranty and Return Information About Your System As soon as you open your Xantrex Grid Tie Solar Inverter package record the following information and be sure to keep your proof of purchase Model Number Serial Number Purchased From Purchase Date If you need to contact Customer Service please record the following details before calling This information will help our representatives give you better service Inverter Details Type of installation e g Residential Commerci

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