Commercial 1000VDC String Inverter XGI Installation and Operation Guide Models: XGI XGI

Transcription

1 Commercial 1000VDC String Inverter XGI 1000 Installation and Operation Guide Models: XGI XGI

2 1. IMPORTANT SAFETY INSTRUCTIONS Hazard Symbols Symbols on Labels General Safety Messages Status Panel OVERVIEW Inverter Overview Inverter Placement Unpacking INSTALALTION Installation Sequence Mounting the Inverter Wiring AC Connection DC Connection Communications Connections Reseal Wiring Box STARTUP Startup Checklist Startup Steps USER INTERFACE User Interface Overview Menu Screens OPERATION MAINTENANCE AND TROUBLESHOOTING Event Codes Servicing the Fans SPECIFICATIONS General Specifications Voltage and Frequency Limits and Trip Times Temperature and Altitude Enclosure APPENDIX Warranty and RMA Instructions DOCR B Page 2 of 63

3 9.2 Datasheet Contact Information IMPORTANT SAFETY INSTRUCTIONS 1.1. Hazard Symbols DANGER indicates a hazardous situation, which, if not avoided, will result in death or serious injury. WARNING indicates a hazardous situation, which, if not avoided, could result in death or serious injury. CAUTION indicates a hazardous situation, which, if not avoided, will result in minor or moderate injury. NOTICE indicates a hazardous condition, which, if not avoided, could result in equipment working abnormally or property loss. INFO indicates important supplementary information to use the product effectively. Table 1.1 Hazard Symbols 1.2. Symbols on Labels AC Signal DC Signal Equipment Ground Phase Off On Refer to Operating Instructions Caution: Risk of Electric Shock DOCR B Page 3 of 63

4 Caution: Risk of Electric Shock Timed Discharge Table 1.2 Explanation of Symbols on Labels 1.3. General Safety Messages Electric Shock Hazard Components with hazardous voltage and energy will electrocute operator. Operator shall avoid touching live components with hazardous voltage and energy. Unqualified Operator Hazard Operator may cause a hazardous situation by making incorrect installation or wiring connections. A qualified technician shall do all installation and wiring connections to comply with all local, national, or country specific guidelines for safety. Electrical Shock Hazard Operator may contact components with hazardous voltage and energy. Use proper safety equipment including Personal Protective Equipment (PPE) when de-energizing the unit. De-energize the unit, wait 5 minutes, and verify the absence of voltage before opening the equipment or removing any protective shields. General Damage to Equipment Attempting to service the inverter improperly may result in damage. Contact Yaskawa Solectria Solar Technical Support for maintenance. Read and Follow Instructions Failure to read and follow instructions may void the warranty. Install the inverter according to the instructions in this manual. DOCR B Page 4 of 63

5 SAVE THESE INSTRUCTIONS SAVE THESE INSTRUCTIONS- This manual contains important instructions for models XGI and XGI that shall be followed during installation and maintenance of XGI and XGI Use the tools specified to tighten all pressure terminals in the inverter. Always follow the required torque value. DOCR B Page 5 of 63

6 1.4. Status Panel The status panel consists of five LEDs that provide useful information to the user regarding the function of the inverter. LEDs are defined in Table 1.3. Figure 1.1 Status Panel Table 1.3 Explanation of Symbols on Status Panel Ready (Green) On: Inverter is initialized and ready to operate Off: Inverter is not ready to operate Network and Communication (Blue) On: Network and communication services are working properly Off: Network and communication services are offline Power (Green) On: Inverter is generating AC power Off: Inverter is not generating AC power Maintenance (Yellow) On: Inverter needs maintenance or service Off: Inverter does not need maintenance or service Power Fault (Red) On: Power fault that needs service and may be a hazard Off: There is no power fault DOCR B Page 6 of 63

7 2. OVERVIEW 2.1 Inverter Overview A solar inverter takes DC power from solar modules, transforms it to AC power, and exports it to the electrical grid. Figure 2.1 Inverter Usage The XGI 1000 series inverter is a state of the art inverter designed and made in the USA using global components Inverter Features High Conversion Efficiency using 3-level conversion technology. o Max efficiency: 98.5% o CEC efficiency: 98% Grid Adaptability o Supports multiple grid standards o Adjustable reactive power o Adjustable power factor (PF) ±0.85 o Remote power curtailment Ethernet connectivity WiFi accessible User Interface 4 MPPTs: Multichannel MMPT (Maximum Power Point Tracking) enables maximum design flexibility and optimizes energy harvest over the life of the system. Protective Enclosure: NEMA 4 rated enclosure allows for indoor or outdoor use. Easy integration: DC/AC switches and 16 fused positions allow for installation both with and without combiner boxes. DOCR B Page 7 of 63

8 2.1.2 Inverter Protection Features Reverse polarity protection on DC inputs Short circuit protection DC Arc fault protection Anti-islanding protection Input and output over-voltage protection Input over-current protection Monitoring of: o DC input insulation resistance with respect to ground o AC output voltage and frequency o Leakage current to ground o DC injection from AC output o Internal ambient temperature o IGBT module temperature Communication Overview The inverter is controlled by a smart device, such as a laptop or smartphone. It has some internal monitoring (see Section 5.2.1). This data is sent through a modem or gateway to the Internet cloud. In the cloud, this data is stored on the SRV server where it can be accessed by the end user. Add-ons such as a weather station and a Data Acquisition System (DAS) are supported using Ethernet. Figure 2.2 Communications Overview DOCR B Page 8 of 63

9 2.1.4 Inverter Diagrams 2.2 Inverter Placement Inverter Environment Figure 2.3 Inverter Diagrams for Inverter (Left) and Wiring Box (Right) The XGI 1000 inverter is rated for outdoor use and will operate when exposed to direct sunlight or rain. To optimize the performance and longevity of the inverter, it is recommended to mount the inverter out of direct sunlight. The enclosure is raiproof. Figure 2.4 Inverter Environment (Left to Right) Shaded, Direct Sunlight, and Rain DOCR B Page 9 of 63

10 2.2.2 Inverter Angle Acceptable mounting angles include 5 to 90 degrees from horizontal. Make sure that the wiring box is below the Power Head. Regardless of the installation angle, the bottom of the Wiring Box must be level to the ground. Figure 2.5 Inverter Mounted Correctly Between 5 and 90 from Horizontal and Level to Ground Figure 2.6 Inverter Mounted Incorrectly with Power Head (Left) and Not Level to Ground (Right) DOCR B Page 10 of 63

11 Inverter Facing Direction It is recommended to install the inverter facing north to minimize direct sun exposure. 2.3 Unpacking Unpacking The inverter is shipped in two boxes. When storing the packaged inverter(s), keep them in an area where they will not get damaged or flooded. Storage temperatures are -40 F to +167 F (-40 C to +75 C). Open the boxes carefully to avoid damaging the contents. Table 2.1 Contents of Boxes Box 1 Box 2 Power Head Wiring Box VF Test Report Mounting Bracket One page information sheet for WiFi Hardware Kit containing: connection to smart device 3 M6 bolts: (2) for mounting the Power Head to the wiring box and (1) for the external DC ground on the wiring box. 4 M5 bolts for mounting the inverter to the bracket. Antenna for WiFi connection to smart device. 90 degree coaxial connection for antenna. DOCR B Page 11 of 63

12 3. INSTALALTION 3.1 Installation Sequence 1. Install the mounting bracket in the desired location. 2. Install the Wiring Box to the bottom portion of the mounting bracket. Lifting Heavy Object Hazard Proper lifting technique must be used in order to avoid injuries. Use a two-man lift to install Power Head. 3. Install the Power Head on the mounting bracket above the wiring box. 4. Connect the Power Head and wiring box together. Ensure that the Power Head connects fully to wiring box. 5. Confirm site AC breaker is set to OFF. 6. Remove the cover of the wiring box and the plastic shields. 7. Connect the AC wires from the grid in the wiring box to the AC terminal block. 8. Connect the input PV circuit wires in the wiring box by connecting to either (depending upon the specific wiring box configuration): a. The DC fuse holders. b. The DC terminal blocks. 9. Connect the communication conductors. 10. Replace the plastic shields and the cover of the wiring box. 11. Connect the antenna to the Power Head using the 90 degree coaxial connection. DOCR B Page 12 of 63

13 3.2 Mounting the Inverter Inverter Size, Spacing and Mounting The dimensions of the inverter are shown in Figure 3.1. Figure 3.1 Inverter Front Dimensions DOCR B Page 13 of 63

14 Space the inverters no closer than shown in Figure 3.2 Inverter Minimum Spacing for thermal exhaust and wiring clearance. Keep this area free from debris, plants, and other obstructions. Figure 3.2 Inverter Minimum Spacing Mount the bracket to a flat surface capable of supporting 186 lbs. (84.4 kg). Acceptable surfaces include concrete, drywall, or plywood as long as they can support this weight. Structure integrity of the mounting surface is the responsibility of the installer. Use M10 or 7/16 in. bolts to attach the mounting bracket to the surface. Use 4 bolts corresponding to the holes shown in Figure 3.3. Torque the bolts as necessary to support the weight, depending on the material of the mounting location. DOCR B Page 14 of 63

15 Figure 3.3 Mounting Bracket Place the Wiring Box onto the Mounting Bracket and use 2 of the M6 bolts to attach them. The holes are on the sides of the Wiring Box and Mounting Bracket. Torque the connections to 40 in-lbs. (4.5 N-m). Figure 3.4 M6 Connecting Bolt (Right Side Shown) DOCR B Page 15 of 63

16 Install the remaining M6 bolt to the bottom of the Wiring Box for the Auxiliary Equipment Grounding Connection Figure 3.5 M6 Ground Connection Bolt Four 1.25 conduit size openings are provided for DC connections. One AC opening with a size of 2.5 conduit trade size and one communication with 1 conduit trade size. Note that only watertight, moisture tight and dirt tight conduit shall be used for both class 1 and class 2 conduit which comply with the requirements in the Standard for Fittings for Conduit and Outlet Boxes, UL 514B. Lifting Heavy Object Hazard Proper lifting technique must be used in order to avoid injuries. Use a two-man lift to install the Power Head. Place the Power Head on top of the Wiring Box. Line up the Power Head so that it matches the Wiring Box. The Power Head should slide in as it has metal guide pins to align it to the Wiring Box. Use the 4 M5 bolts to connect the Power Head to the Wiring Box. Use 2 screws on the left side and 2 screws on the right side. Torque the connections to 45 in-lbs. (5.1 N-m). DOCR B Page 16 of 63

17 3.3 Wiring Tools Needed for AC and DC Connections Figure 3.6 M5 Connecting Bolts (Right Side Shown) 3/16 in or 4.75mm slot torque driver (AC Connections) #2 Phillips head torque driver (DC + and Connections) Multimeter (AC and DC Connections) Power Connections Use 90 C minimum rated conductors. Connections are rated for 75 C terminal temperatures. With longer wire runs, the use of larger conductors than required by Code can help minimize voltage drop Remove Cover on Wiring Box Use a #2 Phillips head torque driver to remove the screws from the cover of the Wiring Box. Wiring Methods used All wiring methods used must in accordance with the National Electric Cose, ANSI/NFPA 70. DOCR B Page 17 of 63

18 Figure 3.7 Wiring Box Connections DOCR B Page 18 of 63

19 3.3.4 Remove Plastic Shields The Plastic Shields are a safety feature to protect the user from hazardous conditions when the inverter is running. These must be removed prior to landing the AC and DC conductors in the Wiring Box. 3.4 AC Connection Turn AC Switch OFF before wiring. The switch is located on the right side of the wiring box. Turn AC Switch to OFF Verify the absence of AC voltage Transformer Configurations Grid Mismatch If the grid does not match the requirements, the inverter will not start. Check with your local electric utility before selecting a grid standard. The system must comply with National Electrical Code ANSI/NFPA 70 and with all local rules and safety regulations before the inverter can be operated. The inverter must be connected to a transformer that has a grounded Wye configuration on the inverter side. The ground terminal must be connected to the center of the Wye. Land the neutral conductor or use a jumper to bond the ground and neutral terminals together in the inverter. Make sure such connection is approved by the local AHJ (Authority Having Jurisdiction). Up to 60 inverters (XGI kW or XGI kW) can be connected to a single transformer. CAUTION-For Proper Circuit Isolation Connect a minimum of 105% kva (compared to the total inverter combined nameplate power output) rated isolating transformer between the output of the unit(s) and the utility power line connections. The transformer is to be an isolation type having separate primary and secondary windings. XGI 1000 series inverters are designed for a direct connection to 480VAC service. This connection could be achieve in the following ways: 1. Direct connection to 480VAC- the XGI 1000 three phase string inverters may be installed in parallel with AC output at a single point of connection creating a low voltage building block. The lo voltage bloks then be connected directly to a 480VAC grid without a step up transformer. It is recommended to have less than 2% voltage drop between the transformer and the inverter output terminals. 2. Connection via transofmer- The short-circuit impedance of each transformer shall be no greater than 6%. Each transformer shall be at least 105% of the tottal kva rating of the paralleld inverters (up to 60) before taking into consideration the additional safety margin for reliability of the transformer. DOCR B Page 19 of 63

20 Figure 3.8 Permitted Transformer Configurations A jumper wire between Ground and Neutral may be used if: Use of a jumper is approved by AHJ (required) There is no accessible Neutral wire AC Output N (neutral) may or may not be bonded to ground Improper Transformer Configuration Inverter will not run and may have hazardous current. Connect transformer in specified configurations only. Grounding of the enclosure The inverter s Input and Output circuits are isolated from the enclosure. The system grounding, when required by , and of the NEC (National Electric Code), ANSI/NFPA 70 is responsibility of the installer. DOCR B Page 20 of 63

21 3.4.2 AC Connection Specifications Figure 3.9 Not Permitted Transformer Configurations The AC connections consist of 3 phases (L1, L2, and L3), a ground, and a neutral conductor. Wires must be rated for at least 600 V. Use wires according to the table below as required to comply with local electrical codes. Table 3.1 AC Connection Specifications Use Copper Or Aluminum Conductors AC output (L1, L2, L3) conductors Neutral (Not a current carrying conductor: Can be sized equal to or larger than the EGC.) Grounding Conductor Copper: 3 to 1/0AWG (26.7 to 50 mm 2 ) Aluminum: 1 to 1/0 AWG (42.4 to 50 mm 2 ) Copper: 8 to 4 AWG (8.4 to 21.2 mm 2 ) Aluminum: 6 to 4 AWG (13.3 to 21.2 mm 2 ) Copper: 8 to 4 AWG (8.4 to 21.2 mm 2 ) Aluminum: 6 to 4 AWG (13.3 to 21.2 mm 2 ) Electric Shock Hazard Components with hazardous voltage and energy will electrocute the operator. Ensure AC power doesn t flow into inverter. Verify with a multimeter. DOCR B Page 21 of 63

22 Turn AC Switch OFF before wiring. Wire the AC Connections as shown below. Torque all AC connections to 25 in-lbs (2.8 N-m) with the 3/16 in (4.75mm) slot torque driver. For aluminum connections, follow the following steps to prep the wires, one wire at a time. a) Use a utility knife to strip the top layer of the aluminum conductors. b) Immediately apply neutral dielectric grease, such as Noalox) and connect the cable to the terminal. c) If the connection is not made within 30 seconds of applying the grease, repeat this process as an oxidized layer may have formed on top of the conductor. This layer is a poorer conductor than the greased aluminum. Phase Rotation Auto-Detect The inverter auto-detects phase rotation. Figure 3.10 AC Connections Do not use a jumper between ground and Neutral if the Neutral conductor is connected. DOCR B Page 22 of 63

23 3.4.3 AC Breaker Specifications The XGI 1000 series inverter requires a 100 A (3 pole) AC breaker. Table 3.2 AC Breaker Specifications XGI XGI AC Breaker Size 100 A (3 pole) 100 A (3 pole) Breaker rating To reduce the risk of fire, connect only to a circuit provided with 100 amperes maximum branch-circuit overcurrent protection in accordance with the National Electrical Code, ANSI/NFPA DC Connection MPPT Zones The XGI 1000 is equipped with four separate MPPT zones. Each zone can accommodate up to four PV strings. All positive conductors must be landed in the fuse holders on the left side of the wiring box, all negative conductors must be landed on the right. Both positive and negative conductors are fused. See Figure for a detailed layout of the wiring compartment. The XGI is capable of operating with all MPPT zones tracking independently (Individual Mode) or in unison (Parallel Mode). Individual Mode provides design flexibility when dealing with different array orientations, shading, or string sizing. As in most large commercial or utility applications where string length and array orientation is consistent and shading is not a concern, Yaskawa Solectria Solar recommends operating in Parallel Mode. By default, the fuse holders are connected in Parallel Mode with jumper bars. To operate the inverter in Individual Mode, remove the jumper bars. The screws on the wires must be removed using a #2 Phillip head screwdriver and the jumper bar can slide out. After removing the jumper bars, replace all wires and screws and torque them to 30 in-lbs (3.4 N-m). During commissioning of the inverter, be sure to specify that the inverter is set to Individual Mode in the User Interface via a smart device or computer. Please refer to Inverter Settings if you want to change the MPPT mode. DOCR B Page 23 of 63

24 ZONE 4 ZONE 3 ZONE 2 ZONE 1 ZONE 4 ZONE 4 ZONE 3 ZONE 3 ZONE 2 ZONE 2 ZONE 1 ZONE 1 Installation and Operations Guide XGI 1000 (Rev B) ZONE 1 ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 2 ZONE 3 ZONE 4 Figure 3.11 DC Zones in Parallel Mode with Jumper Bars (Left) Default and in Individual Mode (Right) ZONE 1 ZONE 2 ZONE 3 ZONE 4 Figure 3.12 Jumper Bars, Internal DC Wires, and Screws String Sizing DC Overload Exceeding the recommended DC to AC ratio may cause damage to the unit, which is not covered under the warranty. Size strings according to information in this section and the applicable local codes. Each zone has four inputs, each with a positive and negative side. Connect the same number of PV modules to each string in the same zone. Use the string sizing tool ( as a guide to help determine lengths for the strings in each zone. All calculations must be performed to ensure compliance Parallel Mode For Parallel Mode (jumper bars installed default mode), perform the calculations based on the total inverter name plate power rating. With maximum DC/AC ratio of 1.5 STC conditions (Equation 3.1), you can connect DOCR B Page 24 of 63

25 up to 90 kw (XGI ) and 97.5 kw (XGI ). Note for any application that may experience higher than 1000 W per m 2 on a regular basis, a smaller DC/AC ratio is recommended. Also, the Isc rating of all strings multiplied by 1.25 must be less than 180 A for parallel mode (Equation 3.2) Individual Mode kw DC kw AC 1. 5 at STC (3.1) I SC A (Parallel Mode) (3.2) For Individual Mode (jumper bars removed), strings must be balanced for optimum performance and AC output. The maximum DC/AC oversizing ratio in Individual Mode follows Equation 3.1 on a per MPPT zone basis. Each zone s maximum input power is 22.5 kw (XGI ) and 24.4 kw (XGI ). For any application that may experience higher than 1000 W per m2 on a regular basis, a smaller DC/AC ratio is recommended. Also, the combined Isc rating of all strings in the MPPT zone multiplied by 1.25 must be less than 45A (Equation 3.3). I SC A (Individual Mode) (3.3) DC/AC Ratio and Isc Requirements Both DC/AC ratio and Isc requirements must be met. Failure to meet these requirements may result in damage NOT covered under warranty String Mismatch Zones do not have to have equal number of modules, but the strings within each zone should have the same number of modules to ensure optimal production. If a zone has different number of modules per string than the other zones, it is recommended to set the inverter to Individual Mode by removing the jumper bar and setting the MPPT mode to Individual in the User Interface. (Please see Section 3.5.1) Figure 3.13 Matched String Sizes within Each Zone DOCR B Page 25 of 63

26 Such designs are not recommended for optimal power production. Figure 3.14 Mismatched String Sizes within Each Zone DC Connection Specifications Use Copper Conductors Only to connect to the fuse holders. The voltage rating of the DC conductors must meet or exceed 1000VDC. Use copper PV Wire size ranging from 12 to 4 AWG (5.3 to 8.4 mm 2 ). All electrical conductors must comply with the NEC and local electrical codes. Table 3.3 DC Input Specifications per Zone XGI XGI Rated DC power (per zone) 15 kw (26.4 A) kw (27.6A) Max DC power allowed 22.5 kw 24.4 Kw Absolute Max open circuit Voltage Operating voltage 1000 VDC VDC Max power input voltage range (MPPT) 580 to 850 VDC VDC Maximum available PV current (Isc x 1.25) (per zone) Maximum Allowed DC to AC Ratio A Fuses 15 A or 20 A (25 A or 30 A also compatible) DOCR B Page 26 of 63

27 Depending on the option purchased, the Wiring Box will come with 15 A or 20 A fuses installed in the fuse holders. See the label on the wiring box for fuse size. 25 A and 30 A fuses can be purchased separately and installed. Use Littelfuse SPF025 for 25 A fuses and SPF030 for 30 A fuses. Yaskawa Solectria Solar does not sell these fuses. For 30 A fuses, skip every other fuse holder Wiring DC Conductors Electric Shock Hazard Components with hazardous voltage and energy will electrocute operator. Verify the absence of DC voltage and current. Turn DC Disconnect to OFF Verify the absence of DC voltage and current. Open Fuse Holders Verify the absence of DC voltage and current. Check Polarity of DC Inputs DC inputs with the wrong polarity may cause damage to inverter. Check polarity with a multimeter. Use Correct Fuses Make sure to size the fuses according to all NEC requirements. Wire connections as shown in Figure The positive connections are on the left and the negative on the right. Strings should be wired and labeled in decrementing order. Torque connections to 25 in-lbs (2.8 N-m) with a #2 Phillips head torque driver. DOCR B Page 27 of 63

28 ZONE 4 ZONE 3 ZONE 2 ZONE 1 Installation and Operations Guide XGI 1000 (Rev B) Figure 3.15 DC Connections for Single Zone If an external combiner box is used, connect the outputs of the combiner box directly to the jumper bar to bypass the fuses. The conductors must have a ring terminal rated that fits the conductor and a M6 screw. Use M6 screws as shown in Figure Torque connections to 30 in-lbs (3.4 N-m) with a #2 Phillips head torque driver. ZONE 1 ZONE 2 ZONE 3 ZONE 4 Figure 3.15 DC Connections for Combiner Box Connection DOCR B Page 28 of 63

29 3.6 Communications Connections Communications Network Connection to the Internet is suggested for the XGI inverter. The gateway or cellular modem should have a direct Ethernet connection to one inverter in order to benefit from the remote capabilities inherent to the inverter and to receive remote firmware updates. The inverter uses Modbus TCP/IP over Ethernet. The inverter can be connected to either SolrenView or to a 3 rd party Data Acquisition System (DAS). Only Ethernet connections are supported to 3 rd party DAS. Figure 3.17 Sample Network Configurations with Weather Station and DAS Connecting Multiple Inverters To connect multiple inverters together, set up an Ethernet daisy chain, star configuration using Ethernet switches, or a tree configuration (mixed network). Up to 50 inverters can be connected using the Ethernet daisy chain. Use a shielded Cat6 cable with max length 328 ft. (100m) for these connections. DOCR B Page 29 of 63

30 Figure 3.18 XGI Inverters Connected with Ethernet Daisy Chain In a star configuration, up to 100 inverters can be connected. Mixed networks can support up to 100 inverters if any daisy chain portion of the network contains 50 inverters or fewer. If longer distances are required, fiber optics can be used with an appropriate switch. Figure 3.19 XGI Inverters Connected with Ethernet Switches DOCR B Page 30 of 63

31 3.6.3 Connector and Ports The XGI has a 16 pin I/O port with connector and 2 interchangeable Ethernet Ports. Figure 3.20 Communications Connections and Ports: 2 Ethernet Ports (Left) and 16 Pin I/O Port with Connector (Right) DOCR B Page 31 of 63

32 Table 3.4 Pin Map for 16 Pin I/O Connector Pin Input/ Output Function Description/Notes 1-6 Reserved 7 Input Return for remote shutdown 8 Input Remote shutdown (opto-isolated) 9-14 Reserved 24 VDC signal will shut down and keep inverter in shutdown mode. Opto-isolated means that the control (remote shutdown) is electrically separated from the device (inverter). 15 Output Return for 24 VDC 16 Output Source for 24 VDC, 0.5 ADC for auxiliary devices Requires operation of auxiliary power supply for the inverter Wire Size Torque Table 3.5 Connection Specifications for 16 Pin I/O Connector AWG ( mm2) 5 in-lbs. (0.56 N-m) Torque Screwdriver Size 5/64 in. (2 mm) Antenna Mounting Mount the antenna as shown in Figure The antenna works best when mounted 90 from horizontal. Figure 3.21 Mounting the Antenna DOCR B Page 32 of 63

33 Antenna Angle It is recommended to install the antenna 90 from horizontal, regardless of the angle of the inverter rd Party Data Acquisition System (DAS) Connection Ethernet Only Connection The XGI 1000 only supports Ethernet connections to 3 rd party DAS. Connect the inverters to a 3 rd Party DAS via an Ethernet connection. For sites with daisy-chained inverters the DAS and the modem or gateway must be at the ends of the chain, with all the inverters in the middle. For a star configuration of inverters using Ethernet switches, the DAS should attach to a switch. Always make sure the gateway or cellular modem has a direct Ethernet connection to one inverter Weather Station Connection (Optional) Only use weather stations that can connect using Ethernet. The weather station must connect to the modem or gateway. 3.7 Reseal Wiring Box Replace Plastic Shields Replace Cover Put the cover back on the Wiring Box. Use a #2 Phillips head torque driver to tighten the cover screws to 25 inlbs (2.8 N-m). DOCR B Page 33 of 63

34 4. STARTUP 4.1 Startup Checklist Mechanical Installation Make sure the mounting bracket is securely installed and all fasteners are tightened to the torque specifications. See Mounting the Inverter Electrical Connections Make sure all conductors are landed in the correct terminals. Make sure all connections are tightened to torque specifications. See AC Connections and DC Connections. Make sure the DC Switch on the inverter is in the OFF position. Make sure the AC Switch on the inverter is in the OFF position Electrical Check Make sure the AC circuit breaker is appropriately sized. Test whether the AC voltage is within the normal operating range. Test polarity of DC inputs. See DC Connections. Make sure the DC open circuit voltage of input strings is less than 1000V. 4.2 Startup Steps Electrical Shock Hazard Installer may come into contact with components which have hazardous voltage and energy. Use proper safety equipment when energizing the inverter. Follow these instructions when energizing the unit. 1. Energize the AC breaker for the inverter. 2. Energize the site DC connections to the PV source circuits. 3. Set inverter AC on/off switch to ON. 4. Turn ON inverter DC disconnect. 5. Verify that the Status Panel illuminates Ready and neither Maintenance nor Power Fault is illuminated. a. If the LEDs do not match the description above, see Maintenance and Troubleshooting. 6. Connect to the gateway inverter s WiFi network, XGI (see User Interface Overview). a. Select the gateway node (in blue) at the top of the list. b. Log in to the inverter (see Inverter Page). c. Select the First Time Start Wizard from the menu under Inverter Configurations. d. Follow the instructions of the First Time Start Wizard. e. Verify that the Status Panel illuminates Ready, Network and Communications, and Power. 7. Measure output current to verify inverter is operating. DOCR B Page 34 of 63

35 5. USER INTERFACE 5.1 User Interface Overview The front panel display provides status information but does not provide the user the ability to control the inverter. The inverter is controlled by either a laptop connected by either Ethernet or WiFi or a smart device, such as a smartphone, via WiFi. The User Interface gives the operator the means to control the inverter settings and access the inverter without having to touch it. Figure 5.1 Inverter with Smart Device Connected by WiFi To access the inverter using Ethernet, connect an Ethernet cable from the laptop to the inverter. The Ethernet port is located inside the wiring box. To access the inverter using WiFi, connect the smart device or laptop to the WiFi network (see Table 5.1 for default SSID). Note that network is not an Internet access point. WiFi SSID Password (Case Sensitive) XGI Table 5.1 Default Network Credentials Solectria If this network is not visible on the list of networks, bring the smart device or laptop closer to an inverter. By accessing the network, all inverters that are part of the network are accessible Inverter List The Inverter List shows a register of the inverters linked to the same WiFi network on which the laptop or smart device is connected. These inverters are said to exist on the same cluster. Each XGI cluster consists of a DOCR B Page 35 of 63

36 maximum of 45 inverters. To access the Inverter List, enter into the cluster s WiFi network and then open an Internet Explorer browser to xgi.pro. The Inverter List displays the names, serial numbers, IP addresses, and status of the inverters, or nodes, registered to the cluster. Below is an example Inverter List and a chart that explains the symbols. Note that the node at the top in blue text is the node to which the user is directly connected. To navigate to a particular inverter, select the node name of the inverter by clicking it. Figure 5.2 Inverter List Table 5.2 Explanation of Symbols in User Interface Symbol Explanation Inverter OK: This indicates that the inverter is functioning normally. Inverter Missing: This indicates that the inverter registered as part of the network is undetected. Inverter Unknown: This indicates that the inverter that was not registered as part of the network is detected. Inverter Fault: This indicates that the inverter has an inverter issue that prevents it from producing power. Inverter Warning: This indicates that the inverter has an inverter issue that does not prevent it from producing power. DOCR B Page 36 of 63

37 In this sample inverter list in Figure 5.2, three nodes are worth noting. Node-F.8D.5D: This node is the inverter that the smart device or laptop is connected to and is operating normally. All other nodes communicate through it. Node-19.BB.64: This node is not registered on the network cluster. Node-19.BB.9B: This node was registered on the network cluster but the cluster cannot communicate with it now. Troubleshooting inverters is covered in the Maintenance and Troubleshooting section Inverter Status Page Each inverter has a status page (see Figure 5.3) that shows an overview of the inverter. It displays the inverter model, name, serial number, time, current AC power being produced, energy produced for the day and total lifetime energy produced. Lower on the page is the inverter status, which mirrors the LED Status Panel on the actual inverter. Figure 5.3 Inverter Status Page On the upper left corner is the menu button, represented by three horizontal lines. When clicked, a drop-down menu appears. On the upper right is a Login/Logout button. On the bottom, there is a button to connect/disconnect from the grid. Before logging in, the user interface is in observer mode. Logging in is necessary to view and access the Inverter Configurations options in the menu in administrator mode. Everything accessible in observer mode is also accessible in administrator mode. If the Logout button is pressed in administrator mode, the user returns to observer mode. DOCR B Page 37 of 63

38 Table 5.3 Default Network Credentials Default User Name (Case Sensitive) Admin Default Password (Case Sensitive) SolectriaSolar Figure 5.4 Inverter Status Page with Drop-Down Menu Inverter Menu Figure 5.4 is an example of the Drop-Down Menu in observer mode. To access the sub-menu items like AC Energy, hover over Live AC Measurements and a sub-menu will appear. DOCR B Page 38 of 63

39 Figure 5.5 Inverter Menu Info: Select Inverter to View returns back to the inverter list; Home returns to the inverter s home screen. DOCR B Page 39 of 63

40 5.2 Menu Screens Live Measurements This screen allows a user in either observer or administrator mode to view the following measurements. Section Subsection Measurement Today s Energy Energy Lifetime Energy Reactive Energy (+) Reactive Energy (-) Active Power Apparent Power Power Reactive Power Reactive Available Power Factor AC Measurements A-N B-N Voltage C-N A-B B-C C-A A Current B C Frequency Frequency Input 1 Power Input 2 Input 3 Input 4 DC Measurements Voltage Input 1 Input 2 Input 3 Input 4 Current Input 1 Input 2 Input 3 Input 4 Temperature Internal Heat Sink Table 5.4 Live Measurement Menu Structure The DC inputs correspond to the MPPT zones referenced in MPPT Zones. A screenshot of the Live Measurements screen is shown in Figure 5.6. DOCR B Page 40 of 63

41 Figure 5.6 Live Measurements DOCR B Page 41 of 63

42 5.2.2 Inverter Status Inverter Info This screen allows a user in observer or administrator mode to view critical details about the inverter. Figure 5.7 Inverter Info Page Inverter Configurations Note that for any configuration, if the user attempts to enter a value that is not supported, the user interface will reject the value and show an error message to the right of the value. Inverter Functions Power Limiting This screen allows a user in administrator mode to enable a power limit and set the power limit. Figure 5.8 Power Limiting DOCR B Page 42 of 63

43 Power Factor This screen allows a user in administrator mode to enable power factor control and set the power factor. Figure 5.9 Power Factor Voltage and Frequency Trip Settings Abnormal AC Voltage Detection This screen allows a user in administrator mode to set the limits for very high, high, low, and very low voltage. Figure 5.10 Abnormal AC Voltage Detection DOCR B Page 43 of 63

44 Abnormal AC Frequency Detection This screen allows a user in administrator mode to set the limits for very high, high, low, and very low frequency. Figure 5.11 Abnormal AC Frequency Detection Recovery Time This screen allows a user in administrator mode to set the recovery time. Figure 5.12 Recovery Time Inverter Settings This screen allows a user in administrator mode to set the number of MPPT Zones, restart the inverter, or reset the inverter to the default setting. For MPPT Zones, refer to Section 3.5 DC Connections for the hardware connections. DOCR B Page 44 of 63

45 Factory Reset with 4 MPPT Zones The factory reset will return the inverter to the default state of 1 MPPT zone. Re-install the jumper or change the selection to individual zones. Figure 5.13 Inverter Settings System Test Network Status Network Configuration User Access Management This screen allows a user in administrator mode to change the default password for administrator access. Figure 5.14 User Access Management DOCR B Page 45 of 63

46 Inverter Name Configuration This screen allows a user in administrator mode to rename an inverter from the default name. Figure 5.15 Inverter Name Configuration Edit Inverter List This screen allows a user in administrator mode to add or remove inverters from the network. A new inverter must be detected to add to the network. Figure 5.16 Edit Inverter List DOCR B Page 46 of 63

47 Time and Date Configurations This screen allows a user in administrator mode to set the time and date. Figure 5.17 Time and Date Configurations SolrenView Monitoring Configuration This screen allows a user in administrator mode to set SolrenView Monitoring. Note that SolrenView Monitoring requires a subscription. Figure 5.18 SolrenView Monitoring Configuration Advanced Network Configuration WiFi Configuration This screen allows a user in administrator mode to define the SSID for a cluster of inverters. The SSID has 3 components: Site ID, Cluster ID, and channel. The format of the SSID become [Site ID]-[Cluster ID]-[Channel], as shown at the bottom Define the Site ID with a unique name to identify the site. DOCR B Page 47 of 63

48 Define the Cluster ID with a number. For large sites, separate the inverters into multiple clusters with each cluster having a unique ID. Select a channel from the drop-down menu. If the network seems slow, try changing the channel, as the channel selected may have other devices on it. Figure 5.19 WiFi Configuration Firmware Update This screen allows a user in administrator mode to update the firmware. The XGI 1000 series supports both local and remote firmware updates. Remote updates can be performed automatically from the Yaskawa Solectria Solar server or by request through our technical support department by calling ( ext 2). Local firmware updates are performed with a laptop and an Ethernet cable. By default, Enable Automatic Remote Firmware update is selected. The inverter will check for firmware updates and download automatically if one is available. The firmware will only be downloaded to the gateway inverter and then distributed across the rest of the network. On the following morning, all inverters will perform a self-update. Having the Enable Automatic Remote Firmware update unchecked is not recommended as product improvements may have occurred since the purchase of the product. If the user wants to disable this feature, the Site Owner will be responsible for performing any firmware updates. DOCR B Page 48 of 63

49 Figure 5.20 Firmware Update DOCR B Page 49 of 63

50 6. OPERATION Inverter Start-Up Automatic Start-Up: The inverter will start up automatically when the output voltage and power from the PV array meet the required values and AC grid is normal. Manual Start-Up: In the User interface, on the inverter page, click the Connect to Grid button to turn the inverter ON. See Figure 5.2 Inverter List Inverter Shutdown Automatic Shutdown: The inverter will shut down automatically when the output voltage and power of PV modules are lower than the required values or AC grid fails. Manual Shutdown: In the User interface, on the inverter page, click the Disconnect from Grid button to turn the inverter OFF. See Figure 5.2 Inverter List Operation Modes Not defined. DOCR B Page 50 of 63

51 7. MAINTENANCE AND TROUBLESHOOTING If an inverter is not running correctly, the Status Panel will show there is an issue. When the inverter is working normally, the first 3 LEDs are lit (Ready, Network and Communications, and Power) and the last 2 are off (Maintenance and Power Fault). If the Maintenance LED or the Maintenance and Power Fault LEDs are illuminated, the inverter requires attention. The User Interface will also show when an inverter is not running correctly. When the inverter is working correctly, the inverter list will show a green checkmark next to the inverter. 7.1 Event Codes There are three levels of event codes: critical event, warning event, and information event Critical Events Critical events will always cease producing AC power and cannot self-recover. This is indicated by both the inverter illuminating both the red Power Fault LED (triangle) and the Yellow Maintenance LED (wrench). Note that some of these can create a hazardous situation, indicated by DO NOT TOUCH. Ground Fault Hazard Inverter enclosure is an electrical hazard. DO NOT TOUCH any equipment (including, but not limited to: the inverter, the PV array disconnect switch the PV array combiners, the PV panels, or the PV racking system). Immediately contact the installer or another qualified person to locate and repair the source of the ground fault. Critical Event Code Table 7.1 Critical Event Codes Display Message Description Troubleshooting Software Parameter Load Failure Internal Communication 1 Failure Internal Communication 2 Failure 4 ARC Fault Detected 5 6 AC Contactor Failure Critical Over Temperature An attempt to remote download software parameters has failed. Internal communication failure detected. Internal communication failure detected. A DC series arc fault has been detected in the PV array. One or both of the AC grid contactors has failed. Contactors may fail open or closed. Internal hardware temperature has exceeded the allowable limits. Attempt to update the firmware and power cycle the inverter. Contact Technical Support. Attempt to update the firmware and power cycle the inverter. Contact Technical Support. Attempt to update the firmware and power cycle the inverter. Contact Technical Support. Inspect for and repair damage to the PV array and DC wiring. Clear the ARC Fault and retest. Contact Technical Support. Power cycle the inverter. If the inverter doesn t clear the error, contact Technical Support. Check to ensure external fans are clear of debris and are operating. DOCR B Page 51 of 63

52 Ground Fault, Excessive Leakage Current Ground Fault, Isolation Resistance Low Critical Internal Hardware Failure Ground Fault Detection Self Check Failure Operational Self Check Failure Startup Self Check Failure 32 Reserved A ground fault condition has been detected. Leakage current is greater than the allowable limit. Check the array for an unintentional reference to ground. A ground fault condition has been detected. Insolation resistance between the DC conductors and ground is below the allowable limit. Check the array for an unintentional reference to ground. A critical hardware failure has been detected to the inverter powertrain. Ground fault detection circuitry is damaged or has malfunctioned. Inverter self-diagnostic check has failed during operation. Inverter requires service. Inverter self-diagnostic check has failed at startup. Inverter requires service. -If external fans are not operating. Contact Technical Support, fans may need to be replaced. DO NOT TOUCH any equipment (including, but not limited to: the inverter, the PV array disconnect switch the PV array combiners, the PV panels, or the PV racking system). Immediately contact the installer or another qualified person to locate and repair the source of the ground fault. DO NOT TOUCH any equipment (including, but not limited to: the inverter, the PV array disconnect switch 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. Power cycle the inverter. If the inverter doesn t clear the error, contact Technical Support. Power cycle the inverter. If the inverter doesn t clear the error, contact Technical Support. Power cycle the inverter. If the inverter doesn t clear the error, contact Technical Support. Power cycle the inverter. If the inverter doesn t clear the error, contact Technical Support Warning Events Warning events will always cease producing AC power but can self-recover if conditions causing the event cease. This is indicated by both the inverter illuminating the Yellow Maintenance LED (wrench). Table 7.2 Warning Event Codes Warning Event Code 1 Display Message Description Troubleshooting Internal Over Current/ Over Voltage Software has detected an over voltage or over current event. Power production will temporarily be affected. Power cycle the inverter. If the inverter doesn t clear the error, contact Technical Support. DOCR B Page 52 of 63

53 2 Phase Lock Loop Failure 3 Islanding Detected Open Phase Detected AC Low Frequency 1 Detected AC Very Low Frequency 2 Detected AC High Frequency 1 Detected Inverter has failed to synchronize with the grid. Power production will temporarily be affected. An islanding condition has been detected. The inverter will cease production until the event has ended. Open AC phase condition has been detected. AC low frequency region 1 detected. AC low frequency region 2 detected. AC high frequency region 1 detected. Power cycle the inverter. If the inverter doesn t clear the error, contact Technical Support. Using a CAT III multi-meter verify the AC voltage. If an islanding condition (no AC voltage) is identified check all AC fuses or breakers. Inspect the AC conductors for damage. If AC voltage is present and the inverter will not grid connect contact Technical Support. Using a CAT III multi-meter verify the AC voltage. If a phase loss is identified check all AC fuses or breakers. Inspect the AC conductors for damage. If not phase loss is identified contact Technical Support. Using a CAT III multi-meter verify the AC frequency. If there is a discrepancy of greater than 2% between the measured results and the frequency reported by the inverter contact Technical Support, otherwise wait for the grid conditions to improve. Using a CAT III multi-meter verify the AC frequency. If there is a discrepancy of greater than 2% between the measured results and the frequency reported by the inverter contact Technical Support, otherwise wait for the grid conditions to improve. Using a CAT III multi-meter verify the AC frequency. If there is a discrepancy of greater than 2% between the measured results and the frequency reported by the inverter contact Technical Support, otherwise wait for the grid conditions to improve. DOCR B Page 53 of 63

54 AC Very High Frequency 2 Detected AC Low Voltage 1 Detected AC Very Low Voltage 2 Detected AC Extremely Low Voltage 3 Detected AC High Voltage 1 Detected AC Very High Voltage 2 Detected AC high frequency region 2 detected. AC low voltage region 1 detected. AC low voltage region 2 detected. AC low voltage region 3 detected. AC high voltage region 1 detected. AC high voltage region 2 detected. Using a CAT III multi-meter verify the AC frequency. If there is a discrepancy of greater than 2% between the measured results and the frequency reported by the inverter contact Technical Support, otherwise wait for the grid conditions to improve. Using a CAT III multi-meter verify the AC voltage. If there is a discrepancy of greater than 2% between the measured results and the voltage reported by the inverter contact Technical Support, otherwise wait for the grid conditions to improve. Using a CAT III multi-meter verify the AC voltage. If there is a discrepancy of greater than 2% between the measured results and the voltage reported by the inverter contact Technical Support, otherwise wait for the grid conditions to improve. Using a CAT III multi-meter verify the AC voltage. If there is a discrepancy of greater than 2% between the measured results and the voltage reported by the inverter contact Technical Support, otherwise wait for the grid conditions to improve. Using a CAT III multi-meter verify the AC voltage. If there is a discrepancy of greater than 2% between the measured results and the voltage reported by the inverter contact Technical Support, otherwise wait for the grid conditions to improve. Using a CAT III multi-meter verify the AC voltage. If there is a discrepancy of greater than 2% between the measured results and the voltage reported by the inverter contact Technical Support, otherwise wait for the grid conditions to improve. DOCR B Page 54 of 63

55 Communication 1 Fault Communication 2 Fault Communication 3 Fault Communication processor initialization fault. Communication processor application fault. Communication processor hardware fault. 28 Network Fault A network connection has failed Software Update Fault Unauthorized Network Access Invalid Configuration Request 32 Reserved Communication processor software update fault. An unauthorized attempt to access the network has occurred. An external request to adjust setting beyond the allowable limits. Power cycle the inverter. If the inverter doesn t clear the error, contact Technical Support. Power cycle the inverter. If the inverter doesn t clear the error, contact Technical Support. Power cycle the inverter. If the inverter doesn t clear the error, contact Technical Support. Check to make sure the Ethernet connections are firmly seated. Check the Wi-Fi antennas, ensure they are vertically mounted. Power cycle the inverter. If the inverter doesn t clear the error, contact Technical Support. Check to ensure there have not been any malicious attempts to access the inverter network. Check the to make sure the value being entered is acceptable and reenter Information Events Information events will not cease producing AC power and are used for reference. There is no LED for them. Info Event Code 1 2 Table 7.3 Information Event Codes Display Message Description Troubleshooting Power Derating, Temperature Power Derating, Customer Command 32 Reserved Inverter output power is reduced due to the internal operating temperature of the inverter. Inverter output power is reduced in response to user command. Check to make sure all external fans are operating, replace fans if necessary. Make sure the ambient temperature is within normal operating conditions. Verify that that a request has been made to de-rate the inverter. If this request has not been made, contact Technical Support. 7.2 Servicing the Fans Three fans are user serviceable, all located on the sides of the inverter. There are two DC fans are accessible on the right side of the inverter underneath the antenna, and one AC fan is accessible on the left side at the bottom of Power Head. The AC and DC fans are different parts and cannot be interchanged. DOCR B Page 55 of 63

56 To access the fans, remove the screw with a #2 Phillip head screwdriver and press the tabs together to remove the assembly. The fans are now accessible. Figure 7.1 DC Fans Figure 7.2 AC Fan On the top of the fans, there are two arrows at a 90 angle. Fan alignment is based on the arrow that points in the direction that the fan blows DC Fans Align both fans so the fans blow into the inverter. The arrow will be pointed into the inverter and the label will not be visible. After servicing the fans, replace the assembly and torque the screw to 20 in-lbs (2.3 N-m) AC Fans Align the fan so the fan blows out of the inverter. The arrow will be pointed out of the inverter and the label will be visible. After servicing the fan, replace the assembly and torque the screw to 20 in-lbs (2.3 N-m). DOCR B Page 56 of 63

57 8. SPECIFICATIONS 8.1 General Specifications Table 8.1 General Specifications XGI XGI Max Input Voltage Min Input Voltage Operating voltage range 1000 VDC 400 VDC VDC Full Power Input Voltage Range 580 to 850 VDC VDC Max Operating Input Current per Inverter A A MPP Trackers 1 or 4, configurable (1 by default) Max Operating Input Current per MPPT 26.4 A 27.6 A Max Short Circuit Current 45 A per zone or 180 A combined Max Input Back-feed 0 A Output Power Factor Unity > 0.99; Adjustable from to Grid Type Nominal Output Voltage Nominal Frequency 3 Phase Wye with Ground and Neutral 480 VAC 60 Hz Output Voltage Range -12/+10% Frequency Range Hz Max Output Current 72 A 78 A Max Output Power 60 kw 65 kw 8.2 Voltage and Frequency Limits and Trip Times All models of the XGI 1000 comply with IEEE requirements. The tables below show its standard settings. Table 8.2 Default Voltage Limits and Trip Times Voltage Range V < 45% Clearing Time 0.16 s 45% <= V < 70% 1.0 s 70% <= V < 88% 2.0 s 88% <= V < 110% No trip 110% <= V <= 120% 1.0 s V > 120% 0.16 s DOCR B Page 57 of 63

58 Table 8.3 Frequency Limits and Trip Times Frequency Range Trip Time F < 57 Hz 0.16 s 57 Hz <= F < 59.3 Hz 2.0 s 59.5 Hz <= F < 60.5 Hz No trip 60.5 Hz <= F <= 62 Hz 2.0 s V > 62 Hz 0.16 s Grid Over Voltage Protection Parameter name GridVoltMax1 VoltMaxTripTime1(s) GridVoltMax2 VoltMaxTripTime2(s) Grid Low Voltage Protection Parameter name Description Threshold value of High Max. grid voltage Threshold value of High Max. grid trip voltage Threshold value of Very High Max. grid voltage Threshold value of Very High Max. grid trip voltage Description Setup range (lower limit, default & upper limit) {100.00%, %, %} {0.16, 1.00, 13} {100.00%, %, %} {0.16, 0.16, 0.16} Setup range (lower limit, default & upper limit) GridVoltMin1 Threshold value of Low Min. grid voltage {10.00%, 88.00%, %} VoltMinTripTime1(s) GridVoltMin2 VoltMinTripTime2(s) GridVoltMin 3 Threshold value of Low Min. grid trip voltage Threshold value of Very Low Min. grid voltage Threshold value of Very Low Min. grid trip voltage Threshold value of Extremely Low Min. grid voltage {0.16, 2.0, 21} {10.00%, 60.00%, %} {0.16, 0.16, 11} {10.00%, 45.00%, %} VoltMinTripTime3(s) Threshold value of Extremely Low Min. {0.16, 0.16, 0.16} DOCR B Page 58 of 63

59 Grid Low Frequency Protection grid trip voltage Parameter name GridFrqMin1 Description Protection threshold value of Low Min. grid frequency Setup range (lower limit, default & upper limit) {56, 59.5, 60} FrqMinTripT1(s) Trip time of Low Min. grid frequency {0.16, 2, 300 } GridFrqMin2 Protection threshold value of Very Low Min. grid frequency {56, 57, 60} FrqMinTripT2(s) Trip time of Very Low Min. grid frequency {0.16, 0.16, 10} Grid Over Frequency Protection Parameter name GridFrqMax1 Description Protection threshold value of High Max. grid frequency Setup range (lower limit, default & upper limit) {60, 60.5, 64} FrqMaxTripT1(s) Trip time of High Max. grid frequency {0.16, 2, 300} GridFrqMax2 FrqMaxTripT2(s) Grid Recovery Parameter name VolFrqRecoveryT(s) Protection threshold value of Very High Max. grid frequency Trip time of Very High Max. grid frequency Description Recovery time of grid voltage frequency protection {60, 62, 64} {0.16, 0.16, 10} Setup range (lower limit, default & upper limit) {0, 300, 300} DOCR B Page 59 of 63

60 Figure 8.1 Derating with AC Voltage Figure 8.2 Derating with DC Voltage 8.3 Temperature and Altitude Table 8.4 Normal Temperature Ranges Ambient Temperature Range XGI XGI F to +140 F (-40 C to +60 C) Derating Temperature 122F (50 C) 113F (45 C) Storage Temperature Range -40 F to +167 F (-40 C to +75 C) DOCR B Page 60 of 63

61 When the inverter is exposed to ambient temperature higher than its derating one, it will derate 4kW per 1 degree Celcius for XGI kW and 6kW for XGI kW. Figure 8.3 Derating with Temperature Figure 8.4 Derating with Altitude 8.4 Enclosure Enclosure Rating Dimensions Weight Table 8.5 Enclosure Information NEMA Type 4; IEC IP66; Rainproof 45.8 in x 28.3 in x 11.6 in (1163 x 719 x 295 mm) Inverter: 117 lbs (53.07 kg) Wiring Box: 49 lbs (22.22 kg) DOCR B Page 61 of 63

62 Mounting Bracket: 20 lbs (9.07 kg) Mounting Angle Range Enclosure Finish and Type 5-90 from Horizontal Powder Coated Aluminum Figure 8.1 Inverter Front Dimensions DOCR B Page 62 of 63