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Summary of Contents for Autarco XLX20000S
- Page 1 Installation and Operation Manual Solar Inverters XLX-series © Autarco Group B.V. IM-704-EN-V0...
- Page 2 2 XLX-series Inverters...
- Page 3 Contact Information Autarco Group B.V. Schansoord 60 5469 DT Erp The Netherlands www.autarco.com info@autarco.com Other Information This manual is an integral part of the unit. Please read the manual carefully before installation, operation or maintenance. Keep this manual for future reference. Product information is subject to change without notice. All trademarks are recognized as the property of their respective owners. © Autarco Group B.V. All rights reserved. 2016-07-28...
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Page 4: Table Of Contents
Table of Contents 1. Introduction ............................5 1.1 Read this first ............................. 5 1.2 Target Audience ............................5 1.3 Product versions covered by this document ....................6 2. Preparation ............................7 2.1 Safety instructions ............................7 2.2 Package contents ............................8 2.3 Internal DC switch ............................8 2.4 Explanations of symbols on inverter ......................8 3. Product information ..........................9 3.1 Overview ..............................9 3.2 Product identification ..........................9 3.3 Product overview ............................. 10 4. Installation ............................12 4.1 Safety . -
Page 5: Introduction
1. Introduction 1.1 Read this first This manual contains important information for use during installation and maintenance of the XLX-series Autarco inverter. To reduce the risk of electrical shock, and to ensure the safe installation and operation of the XLX-series Autarco inverters, the following safety symbols appear throughout this document to indicate dangerous conditions and important safety instructions. WARNING! Indicates safety instruction, which if not correctly followed, can result in injury or property damages. RISK OF ELECTRIC SHOCK! Indicates safety instructions, which if not correctly followed, could result in electric shock. HOT SURFACE! Indicates safety instructions, which if not correctly followed, could result in burns. 1.2 Target Audience This manual is intended for anyone who uses Autarco XLX-series inverter. Before any further action, the operators must first read all safety regulations and be aware of the potential danger to operate high-voltage devices. Operators must also have a complete understanding of this device’s features and functions. -
Page 6: Product Versions Covered By This Document
1.3 Product versions covered by this document The main purpose of this user manual is to provide instructions and detailed procedures for installing, operating, maintaining, and troubleshooting the XLX-series of Autarco inverters which includes the following models: For 380/400V AC grid connection: • XLX20000(S) • XLX25000(S) • XLX30000(S) • XLX30000-HE(S) For 480V AC grid connection: • XLX36000–HV(S) The product code will be “S2.<product version>”, e.g. S2.XLX20000. Please keep this user manual available at all times in case of emergency. 6 XLX-series Inverters... -
Page 7: Preparation
2. Preparation 2.1 Safety instructions DANGER! Do not touch any internal components whilst the inverter is in operation. DANGER! Do not stand close to the inverter during severe weather conditions such as lighting, etc. Make sure you completely cover the surface of all PV arrays with opaque (dark) material before wiring them or make sure the DC circuit breaker or equivalent DC isolator is disconnected. This is because photovoltaic (PV) arrays create electrical energy when exposed to light, and could cause a hazardous condition. The XLX series inverter must only be operated with PV arrays of protection class II, in accordance with IEC 61730, class A. WARNING! The PV inverter will become hot during operation; please don’t touch the heat sink or peripheral surface during or shortly after operation. NOTICE! Do not directly connect AC output of the inverter to any private AC equipment. The PV inverter is designed to feed AC power directly into the public utility power grid. WARNING! The installation, service, recycling and disposal of the inverters must be performed by qualified personnel in compliance with national and local standards and regulations. Please contact your dealer to get the information of authorized repair facility for any maintenance or repairmen. Any unauthorized actions including modification of product functionality of any form will affect the validation of warranty service; Autarco may deny the obligation of warranty service accordingly. 2016-07-28... -
Page 8: Package Contents
2.2 Package contents Autarco XLX-series inverter Mounting bracket MC4 connector pairs Instruction manual S4.MC4F/MC4M 2.3 Internal DC switch Please verify whether your Autarco XLX-series inverter is equipped with an internal DC switch. If there is an internal DC switch the product code will end in an “S”. The switch can be found on the bottom of the inverter (see Fout! Verwijzingsbron niet gevonden.). If there isn’t an internal DC switch it is important to apply an external DC disconnector in order to completely disconnect the solar PV module strings from the inverter. 2.4 Explanations of symbols on inverter DANGER - HIGH ELECTRIC VOLTAGE This device is directly connector to public grid. All work to the inverter shall be 10 min. carried out by qualified personnel only. There might be residual currents in inverter for up to 10 minutes because of large capacitors. ATTENTION This device directly connected to electricity DC generators and the public AC grid. DANGER – HOT SURFACES The components inside the inverter will get hot during operation, DO NOT touch aluminum housing during operating. ATTENTION In case of any work to the inverter, always refer to this manual for detailed product information. ATTENTION This device SHALL NOT be disposed of in residential waste. Please go to Chapter 9 “Recycling and Disposal” for proper treatments. CE MARK This equipment conforms to the basic requirements of the EU guideline governing low voltage and electromagnetic compatibility. -
Page 9: Product Information
3. Product information 3.1 Overview Autarco XLX-series grid tied inverters are state of the art, high efficiency, robust and reliable grid tied inverters at the best price quality ratio available. They are easy to install and carry a standard 10 year product warranty. Our rigorous quality control and testing facilities guarantee Autarco inverters meet the highest quality standards possible. These inverters are the key to our international track record of delivering extremely reliable solar power solutions. Key features: • • Maximum efficiency of 98.4% Silent design using convection cooling principle • • 7” LCD colour display Standard ten year product warranty • • 4 MPPT with wide voltage range Standard with wireless monitoring • • Low turn off voltage Optional integrated DC switch • • High enclosure protection class IP65 High range of protective functions For full specifications please see chapter 11 “Product specifications”. 3.2 Product identification You can identify the inverter by the serial number (S/N) sticker on the side of the inverter. Important electrical specification can also be found on the label which can be found on the right side of the inverter housing. Do not remove the label or the serial number as this voids the product warranty. -
Page 10: Product Overview
3.3 Product overview Inverter cover LED light – POWER LED light – OPERATION D: LED light – ALARM Display Escape key Up key Down key Enter key DC switch (optional) DC input pair Communication port AC output 10 XLX-series Inverters... - Page 11 installation and operation manual 2016-07-28...
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Page 12: Installation
4. Installation 4.1 Safety DANGER! Do not install the inverter near flammable or explosive items. WARNING! The installation must be performed by qualified personnel and in compliance with national and local standards and regulations. This inverter will be connected to a high voltage DC power generator and AC grid. Inappropriate installation may also jeopardize the life span of the inverter. The installation site must have good ventilation conditions. Direct exposure to intense sunshine is not recommended. 4.2 Mounting instructions • The inverter is suitable for outdoor and indoor installation. • Vertical installation is recommended, with a maximum inclination of 15⁰ backwards. • Make sure the mounting wall is strong enough to hold the weight of the inverter. • The ambient temperature of installation site should be between -20 ⁰C and +60 ⁰C. • It is not recommended that the inverter is exposed to the direct sunshine. • Make sure of ample ventilation at installation site, insufficient ventilation may reduce the performance of the electronic components inside the inverter and shorten the life span of the inverter. Max. 15⁰ 12 XLX-series Inverters... -
Page 13: Safety Clearance
installation and operation manual 4.3 Safety clearance Caution! Make sure heat sinks are out of reach of children. Observe the following minimum clearances to walls: Min. 500 mm Min. 300 mm Min. 300 mm Min. 500 mm 2016-07-28... -
Page 14: Mounting Procedure
4.4 Mounting procedure Step 1 — The wall bracket has the dimensions below. Please ensure the positions of the holes are suitable for fitting expansion bolts. Step 2 — Mount the wall bracket onto the mounting wall with appropriate screws plugs. 14 XLX-series Inverters... - Page 15 installation and operation manual Step 3 — Lower the inverter onto the bracket. Lower the inverter onto the bracket. The screw holes in the wall bracket should align with the raised convex on the inverter bracket. Step 4 — Fix the bottom of the inverter to the wall bracket with the M4x9mm screws: 2016-07-28...
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Page 16: Electrical Installation
5.1 AC connection DANGER! Never connect or disconnect the connectors under load. NOTICE! The AC connection to the electrical distribution grid must be performed only after receiving authorization from the utility that operates the grid. The Autarco inverter is equipped with an integrated Residual Current Protective Device (RCPD) and Residual Current Operated Monitor (RCOM). The RCOM will detect the volume of the leakage current and compare it with the expected value, if the leakage current exceeds the permitted range, the RCPD will disconnect the inverter from the AC load. If regulations in the country of installation stipulate an external Residual Current Device (RCD), you must use a device with a tripping threshold of 100 mA or more. A type “A” RCD can be used in accordance with our “Manufacturer’s declaration for usage of residual current devices with Autarco SX, MX, LX and XLX grid-tied... - Page 17 installation and operation manual Step 2 — Insert the cable into the terminal and use a M6 hexagon screwdriver to tight the screws. The torque is 10 Nm. WARNING! Please do not put the insulating layer of the cable in to the terminal when tight the screw, otherwise it will cause poor contact. Step 3 — Push the AC terminal along the rail to the inside of the inverter, and then tighten the 4 screws. NOTICE! It is important that the AC wires are connected to the right terminals as indicated by the “L”, “N” and “Earthing” symbols on each AC connector. In some countries a second protective conductor is required as a matter of principle. In each case, observe the applicable regulations for the site. The AC connection to the electrical distribution grid must be performed only after receiving authorization from the utility that operates the grid. 2016-07-28...
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Page 18: Dc Connections
Always use separate fuses for consumer load. Use dedicated circuit breakers with load switch functionality for load switching. The selection of the mains circuit breaker rating depends on the wiring design (wire cross- section area), cable type, wiring method, ambient temperature, inverter current rating etc. Derating of the circuit breaker rating may be necessary due to self-heating or if exposed to heat. XLX20000(S) XLX25000(S) XLX30000(S) XLX36000-HV(S) Max. AC current (A) 31.57 39.71 47.63 47.63 Recommended fuse type gL/gG or comparable automatic circuit breaker rating (A) DANGER! No consumer load should be applied between the mains circuit breaker and the inverter. 5.2 DC connections DANGER! Never connect or disconnect the connectors under load. XLX-series inverters have two MPP trackers. The DC characteristics of each model is shown in the table below: Max. DC current per Inverter MPP tracker Max DC power Max DC voltage MPPT XLX20000(S) 24kW XLX25000(S) 30kW 1000V 18A XLX30000(S) 36kW XLX36000-HV(S) 43.2kW DANGER! Do not connect the strings with an open circuit voltage greater than the Max DC voltage of the inverter. -
Page 19: Inverter Commissioning Sequence
installation and operation manual DC connections must not be unplugged while under load. They can be placed in a no-load state by switching off the DC/AC converter or breaking the DC circuit interrupter. Plugging and unplugging while under voltage is permitted. CAUTION! MC4 connectors are watertight IP67 but cannot be used permanently under water. Do not lay the MC4 connectors on the roof surface. If any tools or parts are used in the MC4 connector assembly other than those listed in the MC4 connector manual, neither safety nor compliance with the technical data can be guaranteed. 5.3 Commissioning and Decommisioning sequence Turn ON Turn OFF 1. Connect AC side (if not connected yet) 1. Switch OFF the AC switch 2. Connect DC side (if not connected yet) 2. Switch OFF the DC switch 3. Switch ON the DC switch 4. Switch ON the AC switch If the voltage of PV is higher than the start-up voltage, the inverter will turn on and the initial interface of LCD will show “Current status: Waiting” on the upper left corner. Then the inverter will check both its internal parameters and the parameters if the AC and DC input to ensure that they are within the acceptable limits. After around 30-180 seconds (based on local requirement), the inverter will start to generate power. The green LED will be on continually and the LCD displays “Current status: Generating”. NOTICE! If torn on DC input switch before grid breaker, inverter may show fault messages “No_Grid” on current status, the fault will be clear if grid voltage is normal. 2016-07-28... -
Page 20: Operation
6. Operation 6.1 LED indicator lights There are three LED status indicator lights in the front panel of XLX series inverters. The left POWER light (red) indicates power status of the inverter. The middle OPERATION light (green) indicates the operation status. The right ALARM light (yellow) indicates the alarm status. Table 3.1 explains their meanings. Light Status Description The PV array provides power to the inverter POWER (red) OFF The PV array does not provide power to the inverter The inverter is feeding AC power to the grid OPERATION (green) OFF The inverter is not feeding AC power to the grid FLASHING The inverter is initializing There is a fault. Refer to the inverter display and ALARM (yellow) chapter 10 of this manual for details OFF The inverter is operation normally When inverter DC switch and AC switch have been turned on the inverter will start initializing. After approx. 3 minutes the inverter will start normal operation with the inverter display showing GENERATING. 6.2 Inverter display NOTICE! During normal operation, make sure the optional integrated DC switch is switched “on”. The XLX series inverters come with a 7” LCD screen with graphic displays and interactive menus. Pressing the ENTER button gives access to the main menu which has four sub menus: • Information, described in detail in chapter 6.3. • Settings, described in detail in chapter 6.4. • Advanced information, described in detail in chapter 6.5. • Advanced settings, described in details in chapter 6.6. -
Page 21: Information
installation and operation manual 6.3 Information The XLX series inverters main menu provides access to operational data and information. The information is displayed by selecting "Information" from the main menu. By default the inverter display will scroll through the information states below. Pressing the ENTER key will lock or unlock the current display. You can also press UP or DOWN keys to move to the next screen. By pressing the ESC key returns to the main menu. Screen 1 State Description V_DC1 V_DC2 Shows the DC input voltage (V) of the MPPT# (1 to 4) V_DC3 V_DC4 I_DC1 I_DC2 Shows the DC input current (A) of the MPPT# (1 to 4) I_DC3 I_DC4 V_A V_B Shows the AC voltage (V) of the grid for each phase V_C I_A I_B Shows the AC current (A) of the grid for each phase I_C Screen 2 State Description... -
Page 22: Settings
Press ENTER to enter the sub-menu and UP/DOWN to change the setting. Press ENTER to save or move to the next setting. Press the ESC key to cancel and return to the previous menu. 6.5 Advanced info WARNING! Access to this section of the menu is for Autarco qualified and accredited technicians only. Unauthorized access will void the product and system warranty. Screen can be scrolled through with UP/DOWN keys to see the information as per the table below. Press ENTER key to enter a submenu. Press ESC key to go back to the main menu. -
Page 23: Advanced Settings
6.6 Advanced Settings WARNING! Access to this section of the menu is for Autarco qualified and accredited technicians only. Unauthorized access will void the product and system warranty. Screen can be scrolled through with UP/DOWN keys to see the information as per the table below. Press ENTER key to enter a submenu. Press ESC key to go back to the main menu. WARNING! Set GRID OFF (see below) before changing this setting. Press UP/DOWN keys to cycle through available standards • AS4777 • VDE4105 • UL-1741 • G59/3 • CQC • User defined Press ENTER key to save the setting Press ESC key to cancel and return Select grid standard When selecting User defined the following upper and lower values have to be set for voltage and frequency: Press UP/DOWN keys to scroll through these values Press ENTER key to edit the selected value Press UP/DOWN keys to change the selected value Press ENTER key to save and return Press ESC key to cancel and return WARNING! Set GRID ON (see below) before new standard is activated. WARNING! Please note that the User-Def standard is not to be used without the agreement of the local grid authority. This function is used to start or stop the generation of the inverter. -
Page 24: Monitoring Setup And System Registration
Press ESC key to return Power Control Activate and reactivate power can be set through power setting button Remove power generation data Remove power generation data can reset the generating data of inverter, and restore factory settings restore factory settings means all the settings are restored to default setting Adjusting total generating data The function allows the maintenance personnel to amend the total generating data of replacement inverter to the original one Change Password First enter the current password, press the DOWN key to move the cursor, press the UP key to revise the password figure. 7. Monitoring setup and system registration The instructions about monitoring setup and system registration can be found in separate manuals enclosed in the documentation that came with this Autarco system. For more information manual please contact your Autarco installer or refer to our website www.autarco.com. 8. Maintenance The XLX-series inverters do not require regular maintenance. However, impurities such as dust and dirt accumulation on the heat sink may negatively affect the inverter’s ability to dissipate heat. Any dirt or dust can be removed with a cloth or soft brunch. CAUTION! Do not touch the heat sink when the inverter is in operation. Turn OFF the inverter (see section 0) and allow for cooling down before cleaning. CAUTION! Never use any solvents, abrasives or corrosive materials to clean the inverter. 9. Disposal To comply with European Directive 2002/96/EC on waste Electrical and Electronic Equipment and its implementation as national law, electrical equipment that has reached the end of its life must be collected separately and returned to an approved recycling facility. Ignoring this EU Directive may have severe effects on the environment and your health. 24 XLX-series Inverters... -
Page 25: Troubleshooting
installation and operation manual 10. Troubleshooting 10.1 General Display Action message • Check that all switches are in the ON position (including internal DC switch if present) • Check AC and DC power supply. If DC power is greater than 10W and string voltage Blank screen greater than 100V the inverter should start. • If switches are on and AC and DC power supplies are available, please contact installer. 10.2 Internal component fault Error type Display Error Error Action message code description Over BUS DC voltage OV-BUS 1021 Internal fault Under BUS DC voltage UN_BUS 1012 Internal fault BUS pressure fault UNB2_BUS 1024 Internal fault 1. -
Page 26: Grid Errors
10.3 Grid errors 26 XLX-series Inverters... -
Page 27: System And Design Fault
installation and operation manual 10.4 System and design fault 2016-07-28... -
Page 28: Product Specifications
11. Product specifications XLX20000(S) XLX25000(S) XLX30000(S) Input Max. DC voltage (V) 1000 1000 1000 MPPT voltage range (V) 200-800 200-800 200-800 Turn on voltage (V) 350 350 350 Turn off voltage (V) 180 180 180 # MPPT Max. DC current per MPPT (A) # Strings per MPPT Total number of strings DC connection type MC4 MC4 MC4 Output Nominal AC power (W) 20000 25000 30000 Max. AC power (W) 22000 27500 33000 Nominal AC current (A) 28.7 36.1 43.3... - Page 29 installation and operation manual XLX20000(S) XLX25000(S) XLX30000(S) Safety protection DC reverse-polarity protection Yes Short circuit protection Yes Output over current protection Yes Output over voltage protection Yes Insulation resistant monitoring Yes Residual current detection Yes Surge protection Yes Grid monitoring Yes Islanding protection Yes Temperature protection Yes Integrated DC switch Optional General data Dimensions (W x H x D) (mm) 530 X 688 X 356.5 Weight 50kg 53kg 53kg Installation environment Indoor or outdoor Mounting Wall bracket Operating temperature range (°C) -25 to 60...
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