Solectria Renewables SGI 500XT Installation And Operation Manual
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Solectria Renewables SGI 500XT Installation And Operation Manual

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SGI 500XT
INSTALLATION AND OPERATION MANUAL
Revision A
© 2013 Solectria Renewables LLC
DOCR-070254-A

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  • Page 1 SGI 500XT INSTALLATION AND OPERATION MANUAL Revision A © 2013 Solectria Renewables LLC DOCR-070254-A...
  • Page 2 Installation and Operation Manual (Rev A) SGI 500XT IMPORTANT REGISTRATION AND WARRANTY INFORMATION For warranty to become active, this inverter must be registered. To activate warranty and register inverter, please visit the link below. www.solectria.com/registration DOCR- 070254-A...
  • Page 3 SGI 500XT IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS In this manual “inverter” or “inverters” refers to the SGI 500XT inverter model. This manual contains important instructions that shall be followed during installation and operation of the inverter. To reduce the risk of electrical shock and to ensure the safe installation and operation of the...
  • Page 4 All electrical installations shall be performed in accordance with the local, American and Canadian electrical codes as required. • The inverter contains no user serviceable parts. Please contact Solectria Renewables or a Solectria Renewables authorized system installer for maintenance. See Section 14.5, Appendix E for Solectria Renewables contact information.

  • Page 5: Table Of Contents

    Installation and Operation Manual (Rev A) SGI 500XT Table of Contents Introduction ........................1 Site Preparation and Inverter Placement ................. 3 Criteria for Inverter Mounting: ..................... 3 Inverter Positioning ........................5 DC and AC Wire Entry Locations ....................5 Installation ........................8 Checking for Shipping Damage .....................
  • Page 6 Installation and Operation Manual (Rev A) SGI 500XT Solrenview Options ...................... 27 SolrenView AIR Monitoring (Optional) ..................27 SolrenView AIR Multiport (Optional) ..................27 SolrenView SolZone (Optional) ....................27 Inverter Control and Communications................28 LED Indicators ..........................30 Button Descriptions ........................31 Navigating the Menu Structure ....................
  • Page 7 Other Specifications ........................85 13.5 Internal Circuit Diagram ......................87 14 Appendices ........................88 14.1 Appendix A – SGI 500XT Data Sheet ................... 88 14.2 Appendix B – String Sizing Tool ....................88 14.3 Appendix C – Customer Interface Drawings ................88 14.4...

  • Page 8: Introduction

    Installation and Operation Manual (Rev A) SGI 500XT 1 Introduction Congratulations on your purchase of a Solectria Renewables PV inverter. We thank you for having bought one of the finest inverters available on the market. Every commercial grade Solectria inverter is manufactured in our Lawrence Massachusetts factory by proud Americans.
  • Page 9 Disconnect Switch LCD Display (not shown) & Keypad Nameplate Cooling Air Intakes Figure 1.1.1 – The SGI 500XT Inverter (Front) Exhaust Air Vents Center of Gravity Figure 1.1.2 – The SGI 500XT Inverter (Rear) DOCR- 070254-A Page 2 of 88...

  • Page 10: Site Preparation And Inverter Placement

    Installation and Operation Manual (Rev A) SGI 500XT 2 Site Preparation and Inverter Placement The inverter is comprised of a rainproof industrial enclosure containing electrical and electronic components, integrated DC disconnecting means and optional AC disconnecting means and/or overcurrent protection.
  • Page 11 Installation and Operation Manual (Rev A) SGI 500XT Warning: Be sure to verify load capacity of floor, roof or pad, and ensure that lifting equipment has adequate lifting capacity to lift the unit. Inverter Model Installed Weight Shipping weight SGI 500XT...

  • Page 12: Inverter Positioning

    The correct mounting position for the inverter is vertical with the mounting feet on the floor. Figure 2.2.1 shows the basic inverter footprint dimensions: Figure 2.2.1 – SGI 500XT Dimensions (Top View) For more detailed drawings and dimensions, please refer to Customer Interface Drawing, SGI 500XT (DOCR-070160).
  • Page 13 Installation and Operation Manual (Rev A) SGI 500XT entry entry Figure 2.3.1 – Conduit Entry Locations, Inverter Bottom View Every inverter includes two chase entry collars. These collars seal the 4” gap between the bottom of the inverter cabinet and inverter mounting surface. Please maintain 1” clearance spacing within the inside edges of the chase cutouts to allow for installation of the chase collar.
  • Page 14 Installation and Operation Manual (Rev A) SGI 500XT Figure 2.3.3 – Alternate DC Side Entry Locations Figure 2.3.4 – Alternate AC Side Entry Location DOCR- 070254-A Page 7 of 88...

  • Page 15: Installation

    Please inspect the inverter carefully after it is delivered. If any damage is seen please immediately notify the shipping company to make a claim. If there is any question about potential shipping damage, contact Solectria Renewables. Photos of the damage may be helpful in documenting potential shipping damage.

  • Page 16: Removing Inverter From Pallet And Moving Inverter Into Place

    Installation and Operation Manual (Rev A) SGI 500XT Safety chains and straps must be used to prevent any possible tilting or shifting of the inverter in any direction while being lifted. WARNING: Do not install the inverter on or over combustible surfaces or materials.
  • Page 17 Installation and Operation Manual (Rev A) SGI 500XT NOTE: Failure to follow these lifting guidelines may cause structural damage to the inverter and void the warranty. Alternatively, the inverter can be lifted using the lifting tabs on the top. If using this lifting method, lift with vertical chains and hooks connected to a proper lifting device.

  • Page 18: Leveling The Inverter

    Installation and Operation Manual (Rev A) SGI 500XT Leveling the Inverter The inverter must be mounted on a flat and level surface in order for proper operation of the doors and integral disconnecting means. The inverter may be leveled by placing aluminum shims under the appropriate mounting foot prior to securing the inverter.

  • Page 19: Grounding Connections

    Installation and Operation Manual (Rev A) SGI 500XT 4 Grounding Connections WARNING: All electrical installations shall be performed in accordance with all local electrical codes and the National Electrical Code or Canadian Electrical Code for Canada as required. When seen in the inverter, this symbol denotes grounding electrode conductor connection points.

  • Page 20: Dc Grounding

    Installation and Operation Manual (Rev A) SGI 500XT DC Grounding Figure 4.2.1 – DC Ground Conductor Connection Locations Cu or Al Conductors Cu or Al Conductors Max. 1 x 1/0AWG-750kcmil Max. 28 x 14AWG-1/0AWG 75C connections, 550 in-lbs 75C connections, 50 in-lbs...

  • Page 21: Dc Connections From The Pv Array

    When seen in the inverter, this symbol denotes a negative voltage potential. The SGI 500XT inverter must be ordered with either an integrated subcombiner populated with DC fuses or an integrated subcombiner populated with DC breakers. Many choices are available to meet any design constraint.

  • Page 22: Fused Dc Subcombiner

    Installation and Operation Manual (Rev A) SGI 500XT thoroughly clean the conductor just prior to making the electrical connection and use an oxide inhibitor to prevent the formation of aluminum oxide. NOTE: Not all of the DC input positions will be used in all designs. In the case that not all of the positions will be used, the inverter will ship with spare fuses or breakers in the unused locations.
  • Page 23 Installation and Operation Manual (Rev A) SGI 500XT The grounded subcombiner plate that accompanies the fused subcombiner is populated with a number of lugs of the appropriate size to match the wiring inputs of the fused subcombiner. 8 positions 16 positions...

  • Page 24: Breaker Dc Subcombiner

    Installation and Operation Manual (Rev A) SGI 500XT Breaker DC Subcombiner The breaker DC subcombiner plate is populated with a number of 600VDC breakers in a variety of configurations designed to meet numerous array designs. 8 positions 16 positions 225 – 400A 600VDC breakers 110 –...
  • Page 25 SGI 500XT The grounded subcombiner plate that accompanies the breaker subcombiner is populated with eight lugs appropriately sized to match the wiring inputs of the breaker subcombiner. SGI 500XT: 8 positions SGI 500XT: 16 positions 8 lugs 8 lugs (two wires per lug)

  • Page 26: Dc Ground Fault Detection And Interruption

    This bond is made in the GFDI circuit that is integral to the inverter. Every SGI 500XT inverter is equipped with an automatic DC Ground Fault Detection and Interruption (GFDI) circuit. When a single ground fault on an ungrounded circuit exceeding the...
  • Page 27 Installation and Operation Manual (Rev A) SGI 500XT WARNING: In the event of a ground fault, DO NOT TOUCH any equipment (including, but not limited to: the inverter, the PV array disconnects, the PV array combiners, the PV panels, the PV racking system). Immediately contact the installer or another qualified person to locate and repair the source of the ground fault.

  • Page 28: Ac Connections To The Interconnecting Circuit

    SGI 500XT 6 AC Connections to the Interconnecting Circuit The SGI 500XT inverter must be connected to a dedicated, UL Listed, isolation transformer. The SGI 500XT inverter cannot be directly connected to a 208VAC three phase service. The inverter requires a dedicated isolation transformer that allows for a floating grounded connection between the inverter and the primary side of the transformer.
  • Page 29 IMPORTANT: The equipment owner is responsible for providing means to de-energize the AC interconnecting circuit for each inverter. It is highly recommended to install a disconnecting means between the SGI 500XT and the isolation transformer to facilitate ease of preventative maintenance and servicing the inverter. If this disconnecting means is not installed, the system owner is responsible for providing the qualified personnel necessary to create an electrically safe environment required for servicing the inverter.
  • Page 30 Installation and Operation Manual (Rev A) SGI 500XT Direct AC Output Terminals (standard) AC Output Terminals with Optional Equipment 1600A 3P Disconnect, or 1600A 3P Breaker, or 1600A 3P Breaker with shunt trip coil per phase per phase Cu or Al Conductors...

  • Page 31: Ac Ground Fault Detection

    AC Ground Fault Detection The SGI 500XT is not equipped with an AC ground fault protection. Refer to NEC 705 for requirements regarding AC ground fault protection for interconnected devices. Lightning and Surge Protection The SGI 500XT is designed with certain protections against surges in voltage including certification to ANSI/IEEE 62.41/62.42.

  • Page 32: Ac Breaker Shunt Trip (Optional)

    Installation and Operation Manual (Rev A) SGI 500XT Maximum Nominal Minimum Maximum Minimum Shutdown Input Input Input Current Terminal Ramp Time Voltage Voltage Voltage Capability Wire Size 4 seconds 24VDC 21.6VDC 26.4VDC 100mADC 20 – 12AWG Table 6.4.1 – Remote Shutdown Specifications Locate the set of terminal blocks on the inside left most door of the inverter.

  • Page 33: Service Entrance Option

    20”x20” washable electrostatic filters. Available filters are rated MERV-0, MERV-6, or MERV-8. It is recommended to inspect the filters monthly for the first year of operation and adjusting the maintenance schedule as necessary. Figure 7.1.1 – SGI 500XT with Optional Air Filters DOCR- 070254-A Page 26 of 88...

  • Page 34: Solrenview Options

    Installation and Operation Manual (Rev A) SGI 500XT 8 Solrenview Options SolrenView AIR Monitoring (Optional) If you have purchased the 3G cellular SolrenView AIR monitoring option, all of the hardware will be installed in the inverter and configured at the factory. The inverter will begin to report to the SolrenView server as soon as the inverter is commissioned with AC and DC power and a cellular signal is present.

  • Page 35: Inverter Control And Communications

    Installation and Operation Manual (Rev A) SGI 500XT 9 Inverter Control and Communications Every Solectria Renewables commercial inverter includes a SolrenView Data Acquisition System (DAS) integrated into the inverter door. This device performs multiple functions including control, monitoring and data logging.
  • Page 36 The back side of the SolrenView DAS, which can only be physically accessed when the inverter door is open, provides connectivity to data monitoring systems. Solectria Renewables’ own SolrenView.com data monitoring system can be interfaced using Ethernet over twisted pair.

  • Page 37: Led Indicators

    WARNING: If the yellow Ground Fault indicator is lit then normally grounded conductors may be ungrounded and energized. Do not touch the inverter as there is a risk of electrical shock. For maintenance, please contact Solectria Renewables or an authorized installer by visiting http://www.solectria.com or by calling +1-978- 683-9700.

  • Page 38: Button Descriptions

    Installation and Operation Manual (Rev A) SGI 500XT Button Descriptions The SolrenView HMI is controlled by four buttons that are integrated into the inverter door. These buttons are operated by momentarily pushing the center of the button. The buttons perform the following functions: To move up a level from the current menu.

  • Page 39: Navigating The Menu Structure

    Installation and Operation Manual (Rev A) SGI 500XT Navigating the Menu Structure The Main Menu allows the user to configure, monitor and control inverter functions. The selected menu option is shown with an arrow on the left. Please note that the display only shows two menu options at a time and will scroll to show the other options.

  • Page 40: Displaying Inverter Measurements

    Installation and Operation Manual (Rev A) SGI 500XT Displaying Inverter Measurements 1. From the Main Menu select the Measurements function and then press the ENTER button. 2. The display will show the AC Energy readout: Figure 9.5.1 – Measurements Function 3.
  • Page 41 Installation and Operation Manual (Rev A) SGI 500XT The following table summarizes the measurements available: AC Energy Cumulative AC Energy (kWh) AC Power AC Power output (W) AC Voltage AC Voltage, Three-phase (V) AC Frequency AC Frequency (Hz) AC Current...

  • Page 42: Controlling The Inverter

    Installation and Operation Manual (Rev A) SGI 500XT Controlling the Inverter Many inverter functions can be controlled through the HMI under the Set Inverter menu option. Third-party RS-485 Modbus settings can be viewed and modified, including inverter id and baud rate. Inverter AC voltage and frequency trip settings can be viewed and modified.

  • Page 43: Stopping And Starting The Inverter

    Installation and Operation Manual (Rev A) SGI 500XT Stopping and Starting the Inverter WARNING: Before conducting any maintenance or service on the PV System the inverter disconnect switches must be set to the “OFF” position and the absence of voltage must be verified by qualified personnel. Do not rely on HMI functions to stop the inverter as a reset might cause the inverter to start unexpectedly.
  • Page 44 Installation and Operation Manual (Rev A) SGI 500XT 3. Press the ENTER button. The display prompt will change to Power Stop and the setting can be modified. Press the DOWN button to change the setting to Yes. 4. Press the ENTER button to accept the setting. The inverter will shut down.

  • Page 45: Accessing Password Protected Functions

    Installation and Operation Manual (Rev A) SGI 500XT Accessing Password Protected Functions Certain menu functions can only be accessed after the four digit password (or PIN) is entered through the HMI interface. 1. Select the Set Inverter submenu from the Main Menu.

  • Page 46: Changing The Inverter Password

    The inverter password ensures that unauthorized users are not able to access certain menu functions. The default password (0000) should be changed on commissioning. Please use a password that you can easily remember. Solectria Renewables does NOT provide a master password to reset the unit.

  • Page 47: Changing Voltage And Frequency Trip Settings

    Installation and Operation Manual (Rev A) SGI 500XT 9.10 Changing Voltage and Frequency Trip Settings The inverter is designed to operate within certain voltage and frequency ranges, as specified by the utility. When the inverter senses that the inverter and/or grid is outside any of these ranges the inverter ceases exporting power and disconnects from the grid.
  • Page 48 Installation and Operation Manual (Rev A) SGI 500XT 1. To change trip settings, first select Set Inverter on the Main Menu: 2. Next, select VAC Very High function on the Set Inverter submenu: 3. The VAC Very High settings will be displayed. Press ENTER to modify the setting. The voltage value will flash, indicating that it can be changed.
  • Page 49 Installation and Operation Manual (Rev A) SGI 500XT 5. If the trip time is adjustable, it will flash to indicate that it can be changed. Press the DOWN and UP buttons to change the trip time setting. 6. Press the ENTER button to accept the trip time setting change.

  • Page 50: Establishing Ethernet Connectivity

    Installation and Operation Manual (Rev A) SGI 500XT 9.11 Establishing Ethernet Connectivity Before SolrenView web-based monitoring can function the inverter must be networked to the Internet. Customers ordering the SolrenView AIR 3G Router have network connectivity turned on in the factory; no additional steps are required.

  • Page 51: Setting Up Tcp/Ip Networking

    Installation and Operation Manual (Rev A) SGI 500XT NOTE: The green link and yellow activity LEDs only light when the SolrenView DAS is powered. 9.12 Setting up TCP/IP Networking Connection to the Internet and to the SolrenView web-based monitoring service requires functioning TCP/IP protocol.
  • Page 52 Installation and Operation Manual (Rev A) SGI 500XT 2. Information on the inverter will be displayed including the IP, gateway, and netmask settings. Press the ENTER button to hold the display on the item of interest. In the above example, the IP address, gateway and netmask values are being automatically being set through the DHCP service.

  • Page 53: Manually Configuring Network Settings

    Installation and Operation Manual (Rev A) SGI 500XT If the network is not working on the Ethernet protocol level, such as if the twisted pair Ethernet cable is not plugged in, the following will be displayed: 9.14 Manually Configuring Network Settings To manually configure network settings: 1.
  • Page 54 Installation and Operation Manual (Rev A) SGI 500XT 3. Select the DHCP function and press ENTER to edit this setting. 4. Press the DOWN button to turn DHCP Mode Off and press ENTER to save this setting. 5. The DHCP Mode setting will now show Off.
  • Page 55 Installation and Operation Manual (Rev A) SGI 500XT 8. Specify each of the four octet values (0-255), one at a time. Press the UP button to increment the octet. Press the DOWN button to decrement the octet. Press the ENTER button to accept the octet. Press the ESCAPE button to cancel entry at any point.

  • Page 56: Automatically Configuring Network Settings

    Installation and Operation Manual (Rev A) SGI 500XT 9.15 Automatically Configuring Network Settings When shipped from the factory, the SolrenView DAS uses DHCP to configure the TCP/IP settings. If the DAS has been changed to use static IP address the following instructions will explain how to turn on DHCP.

  • Page 57: Setting Fallback Ip Address

    Installation and Operation Manual (Rev A) SGI 500XT 3. Select the DHCP function and press ENTER to edit this setting. 4. Press the DOWN button to turn DHCP Mode On and press ENTER to save this setting. 5. The DHCP Mode setting will now show On.
  • Page 58 Installation and Operation Manual (Rev A) SGI 500XT DOCR- 070254-A Page 51 of 88...
  • Page 59 Installation and Operation Manual (Rev A) SGI 500XT 3. Select LAN from the Config Menu and press ENTER. 4. Confirm that the DHCP Mode setting shows On. The Fallback IP is only available when DHCP is turned on. 5. Press the Down button to show the Fallback IP setting.
  • Page 60 Installation and Operation Manual (Rev A) SGI 500XT 8. Press the DOWN button to show the Gateway IP setting. 9. To change the Gateway, press the ENTER button. 10. When DHCP is on, the Gateway can either be autodetected or manually specified.

  • Page 61: Enabling Solrenview Web-Based Monitoring

    Installation and Operation Manual (Rev A) SGI 500XT 9.17 Enabling SolrenView Web-based Monitoring Before SolrenView web-based monitoring can function the inverter must be networked to the Internet, see sections 6.12 through 6.15 for more details. As explained in section 6, data logging is one of the main functions of the SolrenView DAS. This option is turned on with the SRV Mode setting.

  • Page 62: Viewing And Setting The Date/Time

    Installation and Operation Manual (Rev A) SGI 500XT 2. Next, select SRV Mode function on the Config Menu and press ENTER: 3. The SRV Monitoring function will be displayed. Press ENTER to modify the setting. Press the DOWN button to change the setting to On.
  • Page 63 Installation and Operation Manual (Rev A) SGI 500XT To view the date and time: 1. First select Config on the Main Menu and press ENTER. 2. Select the Date/Time option on the Config Menu and press ENTER. 3. The current date will be displayed. If the date can be modified an arrow will appear just before the month.
  • Page 64 Installation and Operation Manual (Rev A) SGI 500XT 4. Press the ENTER button to begin changing the date. The month will flash, indicating that this portion of the date can be changed with the buttons. Press the UP button to increment the month and the DOWN button to decrement the month.

  • Page 65: Rebooting The Solrenview Das

    Installation and Operation Manual (Rev A) SGI 500XT 9.19 Rebooting the SolrenView DAS If the SolrenView DAS cannot communicate over the Internet or is not updating inverter data it may need to be rebooted. To reboot SolrenView DAS: 1. First select Config on the Main Menu and press ENTER: 2.

  • Page 66: Resetting The Solrenview Das To Factory Defaults

    Installation and Operation Manual (Rev A) SGI 500XT 9.20 Resetting the SolrenView DAS to Factory Defaults It may be necessary to reset the SolrenView DAS to factory defaults. This does not reset the inverter core or shutdown the inverter for any period of time.

  • Page 67: Inverter Counts And Logs

    Installation and Operation Manual (Rev A) SGI 500XT 3. A message warning that the SolrenView gateway is about to be set to factory defaults is shown. Press the ESCAPE button to cancel the reset. 4. Select the Yes option under Clear settings to reset the SolrenView gateway to factory defaults.

  • Page 68: Displaying Error Counts

    Installation and Operation Manual (Rev A) SGI 500XT 9.22 Displaying Error Counts 1. Select Inv Events from the Main Menu and press ENTER. 2. Select Err Counts from the Inv Events Menu and press ENTER. DOCR- 070254-A Page 61 of 88...
  • Page 69 Installation and Operation Manual (Rev A) SGI 500XT 3. The Error Counts are displayed in order of occurrence, with the most frequent error displayed at index position 1. In this example the most frequent error is Contactor Failure; two contactor fail events were logged with the last one logged on Jan 02, 2013 at 7:12 am.

  • Page 70: Displaying Error Logs

    Installation and Operation Manual (Rev A) SGI 500XT 9.23 Displaying Error Logs 1. Select Inv Events from the Main Menu and press ENTER. 2. Select Err Logs from the Inv Events Menu and press ENTER. DOCR- 070254-A Page 63 of 88...
  • Page 71 Installation and Operation Manual (Rev A) SGI 500XT 3. The most recent Error Log entries is displayed at index position 1. The data format is index number, date/time and event state on the first line. When the Error first is asserted the event state is shown as “On”. When the Error ceases the event state is shown as “Off”.

  • Page 72: Clearing Error Counts Or The Log

    Installation and Operation Manual (Rev A) SGI 500XT 9.24 Clearing Error Counts or the Log 1. Select Inv Events from the Main Menu and press ENTER. 2. Select Clear from the Inv Events Menu and press ENTER. The Clear History prompt will be shown. Select the type of history to be cleared by pressing the UP and DOWN buttons.
  • Page 73 Installation and Operation Manual (Rev A) SGI 500XT None: History is not cleared. Err Log: Clears the Error Log only. Err Counts: Clears the Error Counts only. All: Clears the Error Counts and Error Log. List of Logged Events The following events are logged and counted: •...

  • Page 74: Hmi Menu Structure

    Installation and Operation Manual (Rev A) SGI 500XT • Reconnecting • Reverse phase & restart PVI! • Wait for grid 9.25 HMI Menu Structure DOCR- 070254-A Page 67 of 88...

  • Page 75: Commissioning The Inverter Pv System

    Installation and Operation Manual (Rev A) SGI 500XT 10 Commissioning the Inverter PV System At this point the inverter should be mounted, all connections are made and the inverter is ready for power to be applied. NOTE: Make sure all tools, parts, etc. are removed from the vicinity of the inverter before turning on.

  • Page 76: Troubleshooting And Maintenance

    Installation and Operation Manual (Rev A) SGI 500XT 11 Troubleshooting and Maintenance This section provides guidelines for troubleshooting and routine maintenance of your inverter. WARNING: These troubleshooting and maintenance instructions are for use by qualified personnel only. To reduce the risk of electric shock, you should never attempt to open the inverter, DC, or AC enclosure doors, or perform any service or troubleshooting without prior training.
  • Page 77 Installation and Operation Manual (Rev A) SGI 500XT NTC Failure The internal temperature sensor has Turn the DC and AC off, restart the inverter. The inverter may need to be inspected and 978-683-9700Pac: failed. serviced by an authorized service provider.

  • Page 78: Troubleshooting

    • Verify PV string Maximum Power Point Voltage at design high temperature and PV string Open Circuit Voltage at design low temperature is compatible with inverter input voltage specifications. • Contact installer or Solectria Renewables if malfunction persists If contacting Solectria Renewables for assistance, please provide: • Inverter Model Number/Part Number •...

  • Page 79: Preventative Maintenance

    If it is determined that the unit or any part of the unit should be shipped to Solectria Renewables for repair or replacement, be sure to get an RMA# from Solectria Renewables and use the same packing method as when it was shipped to you, or request instruction on packing and/or packing materials from Solectria Renewables to help insure a safe shipment.

  • Page 80: Intake Louver Vent Cleaning

    Installation and Operation Manual (Rev A) SGI 500XT A harsh environment is defined as any of the following conditions: • Excessive temperature either hot or cold • In a desert area with sand or other debris constantly in contact with the inverter •...
  • Page 81 Installation and Operation Manual (Rev A) SGI 500XT WARNING: Both DC and AC disconnect switches must be in the off position then wait 3-5 minutes after the LED indicators are off before opening as the capacitors on the internal AC bus are discharging during this time.

  • Page 82: Product Warranty & Rma Policy

    60 months from the date of purchase of the inverter by the end user or 64 months after the delivery date from Solectria Renewables to the distributor or the dealer / installer, whichever is shorter. If a warranty extension has been purchased, the term is defined as an extension beyond 60 months.
  • Page 83 United States, Canada and Mexico. For Alaska, Hawaii and all other installation locations Solectria Renewables will cover the cost of return shipment of product one way from the customer. The warranty does not include customs fees, broker fees or other taxes that may be imposed by the government agency.
  • Page 84 Solectria Renewables product specifications including high input voltage from generators or lightning strikes; The product, if repairs have been made to it other than by Solectria Renewables or its authorized, trained service personnel;...
  • Page 85 OF THE PRODUCT, REGARDLESS OF WHETHER SUCH INSTALLATION, INTEGRATION OR OPERATION WAS PERFORMED PROPERLY OR IMPROPERLY. Solectria Renewables neither assumes nor authorizes any other person to assume for it any other liability in connection with the repair or replacement of the Product.
  • Page 86 Please refer to your product user manual for limitations on uses of the product. Specifically, please note that Solectria Renewables’ products are not intended for use in connection with life support systems and Solectria Renewables makes no warranty or representation in connection with any use of the product for such purposes.

  • Page 87: Return Material Authorization Policy

    Please review our Return Merchandise Authorization Policy below. Obtaining a required, Return Material Authorization: Before returning a product directly to Solectria Renewables you must obtain a Return Material Authorization (RMA) number and the correct factory "Ship To" address. Products must also be shipped prepaid.

  • Page 88: Technical Data

    Installation and Operation Manual (Rev A) SGI 500XT 13 Technical Data Input (DC) from PV array: • Maximum open circuit voltage of PV array is 600VDC WARNING: NEC 690-7 must be followed to calculate the maximum number of PV modules allowed for a maximum inverter open circuit voltage (OCV) of 600VDC in extreme cold temperatures for the installation location.

  • Page 89: Input Dc (Pv) Specifications

    Installation and Operation Manual (Rev A) SGI 500XT 13.1 Input DC (PV) Specifications SGI 500XT Unit Operating Voltage Range 300-600 Input Voltage MPPT Range 300-500 Strike Voltage Array Maximum Input Current 1750 DC disconnect ampere rating 2400 Maximum Open Circuit Voltage DC Voltage Measurement Accuracy ±...

  • Page 90: Output Ac Specifications

    Installation and Operation Manual (Rev A) SGI 500XT 13.2 Output AC Specifications The inverters are designed to feed power into a standard 60Hz, three-phase AC utility service provided within a facility by a transformer with a rating of not less than the rating of the inverter(s) connected to it.

  • Page 91: Response To Abnormal Grid Conditions

    Installation and Operation Manual (Rev A) SGI 500XT 13.3 Response to Abnormal Grid Conditions The inverter is designed to operate normally within the voltage and frequency ranges defined by IEEE 1547-2003. Should grid conditions violate these limits, the inverter will cease to energize within the required time.

  • Page 92: Other Specifications

    Installation and Operation Manual (Rev A) SGI 500XT 13.4 Other Specifications DC Ground Fault Protection Per UL 1741-2010 Certified in UL 1741 testing to 3.2kA DC, components rated to DC Ground Fault Current Withstand 25kA DC DC Fuse Subcombiner Range...
  • Page 93 Installation and Operation Manual (Rev A) SGI 500XT Figure 13.4.2 – AC Output Power of SGI Series Inverters Figure 13.4.3 – Efficiency of SGI Series Inverters at 25C Ambient Temp. DOCR- 070254-A Page 86 of 88...

  • Page 94: Internal Circuit Diagram

    Installation and Operation Manual (Rev A) SGI 500XT 13.5 Internal Circuit Diagram The basic power flow within the SGI series of inverters is shown in the simplified one-line diagrams below. Note that the GFDI circuit is not depicted. Figure 13.5.1 – Simplified Circuit Diagram for SGI 500 XT...

  • Page 95: Appendices

    Installation and Operation Manual (Rev A) SGI 500XT 14 Appendices 14.1 Appendix A – SGI 500XT Data Sheet http://www.solren.com/utility.html 14.2 Appendix B – String Sizing Tool http://www.solren.com/stringSizing.html 14.3 Appendix C – Customer Interface Drawings http://www.solren.com/drawings/SGI_500XT_customer_interface_drawing.pdf http://www.solren.com/drawings/SGI_500XT_customer_interface_CAD_drawing.dwg 14.4 Appendix D - Isolation Transformer Specification http://www.solren.com/datasheets/SGI_500XT_Transformer_Isolation_Specification.pdf...
  • Page 96 Installation and Operation Manual (Rev A) SGI 500XT 10.5 Appendix E – UL1741 / IEEE 1547 / CSA22.2#107.1 Authorization to Mark DOCR- 070254-A Page 89 of 88...

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