SolarEdge Se K Series Installation Manual

SolarEdge Se K Series Installation Manual

Three phase inverter with synergy technology
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Installation Guide
Three Phase Inverter with
Synergy Technology
P/N: SExxK-xxxxIxxxx
For Europe, APAC and South Africa
Version 1.1

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Summary of Contents for SolarEdge Se K Series

  • Page 1 Installation Guide Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx For Europe, APAC and South Africa Version 1.1...
  • Page 2: Disclaimers

    You may refer to the SolarEdge web site (www.solaredge.com) for the most updated version. All company and brand products and service names are trademarks or registered trademarks of their respective holders.
  • Page 3: Emission Compliance

      Emission Compliance Emission Compliance This equipment has been tested and found to comply with the limits applied by the local regulations. These limits are designed to provide reasonable protection against harmful interference. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
  • Page 4: Revision History

    Revision History     3 Revision History Version 1.1 (May. 2021) Added Synergy Unit connectors drawing Version 1.0, April 2021: Initial release Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx SExxK-xxxxIxxxx...
  • Page 5: Table Of Contents

    Disclaimers Important Notice Emission Compliance Revision History HANDLING AND SAFETY INSTRUCTIONS Safety Symbols Information Chapter 1: Introducing the SolarEdge Power Harvesting System Power Optimizer Three Phase Inverter with Synergy Technology Monitoring Platform Designer Supported AC Grids Installation Tools and Material List...
  • Page 6 Revision History     5 Reporting and Monitoring Installation Data Chapter 6: Setting Up Communication with the Monitoring Platform Communication Options Communication Connectors Creating an Local Area Network (LAN) Connection Creating an RS485 Bus Connection RS485 Bus Configuration Verifying the Connection Signaling Options Appendix A: Errors and Troubleshooting Identifying Errors Power Optimizer Troubleshooting...
  • Page 7: Handling And Safety Instructions

    Denotes information about safety issues. Disposal requirements under the Waste Electrical and Electronic Equipment (WEEE) regulations: NOTE Discard this product according to local regulations or send it back to SolarEdge. Warning! To reduce the risk of injury, read all instructions in this document. WARNING! Using this equipment in a manner not specified by SolarEdge in this document may impair the protection provided by this equipment.
  • Page 8 - a lifting aid. NOTE Use PV modules rated according to IEC 61730 class A. NOTE The symbol appears at grounding points on the SolarEdge equipment. This symbol is also used in this manual. Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx SExxK-xxxxIxxxx...
  • Page 9   Safety Symbols Information NOTE SolarEdge inverters can be installed in sites with an alternative power source such as a generator. SolarEdge requires installing a physical or electronic interlock, which will signal to the inverter when the grid has been disconnected. Interlock procurement, installation, maintenance and support are the responsibility of the installer.
  • Page 10: Chapter 1: Introducing The Solaredge Power Harvesting System

    Chapter 1: Introducing the SolarEdge Power Harvesting System The SolarEdge power harvesting solution is designed to maximize the power output from any type of solar Photovoltaic (PV) installation while reducing the average cost per Watt. Figure 1 shows and the following sections describe the components of the SolarEdge power harvesting system.
  • Page 11: Three Phase Inverter With Synergy Technology

    AC service of the site and from there to the grid. The inverter also receives the monitoring data from each Power Optimizer and transmits it to the SolarEdge Monitoring platform (requires a land-line or cellular connection to the Internet).
  • Page 12: Monitoring Platform

    Figure 2: Synergy Manager with three Synergy Units Monitoring Platform The monitoring platform enables monitoring the technical and financial performance of one or more SolarEdge sites. It provides past and online information on the system performance, both at the system and PV module levels. Designer Designer recommends inverter and Power Optimizer selection per site size and enables report generation.
  • Page 13: Installation Procedure

    Serrated washer Grounding screw Two washers Installation Procedure The following procedures, are required for installing and setting up a new SolarEdge site. Some of these procedures also apply to modification of an existing site.  1. Installing the Power Optimizers  2.
  • Page 14 Chapter 1: Introducing the SolarEdge Power Harvesting System     13  3. Connecting AC and PV Strings to the Synergy Manager  4. Activating, Commissioning and Configuring the System  5. Setting Up Communication with the Monitoring Platform Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx SExxK-xxxxIxxxx...
  • Page 15: Chapter 2: Installing The Power Optimizers Safety

    IMPORTANT SAFETY FEATURE Modules with SolarEdge Power Optimizers are safe. They carry only a low safety voltage before the inverter is turned ON. As long as the Power Optimizers are not connected to the inverter or the inverter is turned OFF, each Power Optimizer will output a safe voltage of 1V.
  • Page 16: Installation Guidelines

    Chapter 2: Installing the Power Optimizers     15 CAUTION! Installing a SolarEdge system without ensuring compatibility of the module connectors with the Power Optimizer connectors may be unsafe and could cause functionality problems such as ground faults, resulting in inverter shut down.
  • Page 17 Frame-mounted Power Optimizers are mounted directly on the module frame, regardless of racking system (rail-less or with rails). For installation of frame- mounted Power Optimizers, refer to http://www.solaredge.com/sites/default/files/installing_frame_mounted_power_ optimizers.pdf. The Power Optimizer can be placed in any orientation. If connecting more modules than Power Optimizer inputs in parallel, use a branch cable.
  • Page 18 Chapter 2: Installing the Power Optimizers     17 To allow for heat dissipation, maintain clearance as specified below. All Power Optimizers, except for the P860 and P960 Power Optimizers P860, P960 and M1600 Power Optimizers Figure 3: Power Optimizers clearance When installing PV modules in a confined space such as Building-integrated photovoltaic (BIPV) modules, ventilation measures may be required to ensure that the Power Optimizers are not exceeding the maximum temperatures stated in their specifications.
  • Page 19: Step 1: Mounting The Power Optimizers

    . It is recommended to mount the Power Optimizer in a location protected from direct sunlight. For frame-mounted Power Optimizers follow the instructions supplied with the optimizers, or refer to https://www.solaredge.com/sites/default/files/installing_frame_ mounted_power_optimizers.pdf.  2. If required, mark the mounting hole locations and drill holes. CAUTION! Drilling vibrations may damage the Power Optimizer and will void the warranty.
  • Page 20: Step 3: Connecting Power Optimizers In Strings

    You can construct parallel strings of unequal length, that is, the number of Power Optimizers in each string does not have to be the same. The minimum and maximum string lengths are specified in the power datasheets. Refer to the SolarEdge Site Designer for string length verification.
  • Page 21: Step 4: Verifying Proper Power Optimizer Connection

      Step 4: Verifying Proper Power Optimizer Connection Figure 5: Power Optimizers connected in series  4. If you intend to monitor the installation, using the SolarEdge Monitoring platform, record the physical location of each Power Optimizer, as described in Creating Logical and Physical Layout using Installation Information on page 51.
  • Page 22 Chapter 2: Installing the Power Optimizers     21 Proper Power Optimizer connection can also be verified in the Designer application. For more information, refer to https://www.solaredge.com/products/installer-tools/designer#/. Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx SExxK-xxxxIxxxx...
  • Page 23: Chapter 3: Installing The Synergy Manager And Synergy Units

    Identifying the Units Stickers on the Synergy Manager and Synergy Units show Serial Numbers. When creating a site in the SolarEdge Monitoring platform or contacting SolarEdge support, provide the inverter's serial number. Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx SExxK-xxxxIxxxx...
  • Page 24: Front Interface Of Synergy Manager

    Some models Synergy Manager do not include DC Disconnect Switch. DC Disconnect Switch The DC Disconnect Switch is a manually operated safety switch for disconnecting the DC power of the SolarEdge system. NOTE When the Synergy Manager is OFF (for example during maintenance) it may be locked to prevent a safety hazard: 1.
  • Page 25 5 seconds, then is in P, all LEDs exist) for 5 seconds. released. are ON Activates the Wi-Fi access point for connecting to the SolarEdge Inverter SetApp Switch moved to P for more than 5 seconds, Starts pairing then released.
  • Page 26   Front Interface of Synergy Manager Indication LEDs LEDs indication consists on color and state (on/ off/ blinking / flickering /alternating ). The LEDs indicate different system information, such as errors or performance. Figure 8 shows the Indication LEDs of the Synergy Manager. Generally, the main LED indications are: COMM.
  • Page 27 Chapter 3: Installing the Synergy Manager and Synergy Units     26 ON/ OFF/ Indication Comment switch FAULT POWER COMM. position S_OK: ON communication S_OK: ON Power with the Optimizers not Blinking No S_OK: monitoring paired platform is established Pairing Blinking Blinking Blinking ON (1) Wake-up/ Grid...
  • Page 28: Inverter Interconnection Cable Interfaces

      Inverter Interconnection Cable Interfaces The following table describes production percentage of AC information by LED color and ON/OFF/P switch position. ON/ OFF/ LED color Indication Comment switch Green Blue position Percentage of AC This indicates Production: 0 - 33 % power production Percentage of AC ON (1) as percentage of...
  • Page 29: Synergy Manager External Cable Interface

    The connectors and glands, at the bottom side of the Synergy Manager, interfaces the inverter to the grid and PV strings. The communication glands, support communication cables connecting the inverter to the SolarEdge Monitoring platform and external power bank used for setting up the inverter in sites with no available grid power.
  • Page 30: Synergy Unit Interface Connectors

      Synergy Unit Interface Connectors Communication Glands: two communication glands for connecting communication and antenna cables. Refer to Setting Up Communication with the Monitoring Platform on page 53. Synergy Unit Interface Connectors The Synergy Unit connectors are used to interface the Synergy Unit to the Synergy Manager: DC connectors: for DC input from the Synergy Manager Communication connector: for communication with the Synergy Manager...
  • Page 31: Mounting And Connecting The Synergy Manager And Synergy Units

    Power Optimizer. For SolarEdge inverters installed at a distance of 200 m / 655 ft or closer to the shoreline, special brackets purchased separately from SolarEdge and SS304 stainless screws are required.
  • Page 32   Mounting and Connecting the Synergy Manager and Synergy Units Figure 12: Marking the drilling holes locations 4. Place the mounting templates vertically against the wall and mark the drilling hole locations for the barcket of the Synergy Manager. Make sure that the template aligns with the two drilling holes marked A.
  • Page 33 Chapter 3: Installing the Synergy Manager and Synergy Units     32 Lift the Synergy Unit from the sides, or hold it at the top and bottom of the unit to lift into place. Align the two indentations in the enclosure with the two triangular mounting tabs of the bracket, and lower the unit until it rests on the bracket evenly (see Figure 14 ).
  • Page 34   Mounting and Connecting the Synergy Manager and Synergy Units Figure 14: Hanging the Synergy Manager Horizontal Mounting of the Inverter The inverter can be installed horizontally, on a flat surface, at any tilt above 10° (see Figure 15 ). The inverter can be installed under or near the PV modules, thus saving roof space and using the PV modules for shading the inverter.
  • Page 35: Chapter 4: Connecting Ac And Pv Strings To The Synergy Manager

    In most countries, SolarEdge three phase inverters are required by regulation to have neutral connection at all times (only grids with neutral connection are supported). In some countries, the SolarEdge three phase inverters can be connected to 220/230/480V delta grids. For more information prior to system installation refer to: Three Phase Inverters for Delta Grids application note https://www.solaredge.com/sites/default/files/se_three_phase_inverters_for_...
  • Page 36   Connecting the AC Grid to the Synergy Manager Figure 16: Synergy Manager - DC connection methods Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx SExxK-xxxxIxxxx...
  • Page 37: Connecting The Pv Strings To The Synergy Manager

    NOTE SolarEdge fixed input Voltage architecture enables the parallel strings to be of different lengths. Therefore, they do not need to have the same number of Power Optimizers, as long as the length of each string is within the permitted range.
  • Page 38 When installing a system with more than 3 strings per a single Synergy Unit (whether connected directly or via a combiner box), fuses are required. In SolarEdge system, 25A fuses must be used. Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx SExxK-xxxxIxxxx...
  • Page 39 Chapter 4: Connecting AC and PV Strings to the Synergy Manager     38 Figure 18: Connecting the DC wires to the Synergy Manager 3. Remove the nuts from the DC terminals. 4. Strip the wire insulation from the end of the DC wires. NOTE Before connecting aluminum wires to lugs: a.
  • Page 40: Connecting Ground And Ac To The Synergy Manager

    When installing a system with more than three strings per a single Synergy Unit (whether connected directly or via a combiner box), fuses are required. In SolarEdge system, 25A fuses must be used. Connecting Ground and AC to the Synergy Manager This section describes how to connect AC and Ground (also referred to Protective Earth - PE) to the Synergy Manager.
  • Page 41 Chapter 4: Connecting AC and PV Strings to the Synergy Manager     40 AC cable with L1, L2, L3 wires and an external PE (Protective Earth) wire AC cable with L1, L2, L3, N wires and an external PE wire WARNING! To avoid shock hazard conditions, the PE wire must be connected to the inverter before connecting the AC wires.
  • Page 42 CAUTION! When removing the cover, make sure not to damage internal components. SolarEdge will not be held responsible for any components damaged as a result of incautious cover removal. 3. Open the AC cable gland and insert the cable through the AC gland.
  • Page 43 Chapter 4: Connecting AC and PV Strings to the Synergy Manager     42 -or- Route a separate PE wire through the PE gland. Connect the wire to the PE terminal and fasten the Allen screw with a torque of 15 N*m. Secure the PE gland with a torque of 12 N*m.
  • Page 44   Connecting Ground and AC to the Synergy Manager Figure 23: AC wire and lug Lug parameters: Bolt hole size: 10mm Compression lugs of the one-hole, standard barrel, 600V type. Maximum wire size: 120mm (For inverter models SE50K to SE80K, use 95 mm Maximum lug tongue thickness: 7mm Maximum lug tongue width: ≤...
  • Page 45 Chapter 4: Connecting AC and PV Strings to the Synergy Manager     44 Figure 24: Connecting wires to the AC terminals  9. Place the AC terminal cover over the AC terminals and push until a click is heard. Close the Synergy Manager cover and secure it by tightening the six screws with a torque of 3.5 N*m.
  • Page 46: Chapter 5: Activating, Commissioning And Configuring The System

    For communication options, refer to: Setting Up Communication with the Monitoring Platform on page 53. Before arriving to the site, download SolarEdge SetApp application to your mobile device from Apple App Store or Google Play .
  • Page 47: On-Grid Commissioning Of The Inverter

    Chapter 5: Activating, Commissioning and Configuring the System     46 On-grid Commissioning of the inverter Step 1: Activating the Installation During system activation, a Wi-Fi connection is created between the mobile device and the inverter and the system firmware is upgraded. Before activation Download, register (first time only) and login to SetApp on your mobile device.
  • Page 48 Refer to Setting Up Communication with the Monitoring Platform on page 53. Select Monitoring Communication to configure communication with the monitoring platform. Select Site Communication to configure communication between multiple SolarEdge devices or external non-SolarEdge devices, such as batteries or loggers. Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx SExxK-xxxxIxxxx...
  • Page 49: Step 3: Verifying Proper Activation And Commissioning

    The Grid Control option may be disabled. Enabling it opens additional options in the menu. The Energy Manager option is used for setting power export limitation, as described in the Export Limitation Application Note , available on the SolarEdge website at: https://www.solaredge.com/sites/default/files/feed-in_limitation_application_note.pdf.  ...
  • Page 50   Pre-commissioning (Off-Grid)  2. Verify that SolarEdge SetApp is installed on your mobile device.  3. Remove the cover from the Power Bank input port at the bottom of the Synergy Manager. Connect the USB cable between the Power Bank and the input port - Upon connection, all LEDs light steady for one minute, and then alternate blue / green.
  • Page 51: Reporting And Monitoring Installation Data

    Reporting and Monitoring Installation Data Monitoring the site requires connecting the inverter to the monitoring platform, using any of the wired or wireless options available from SolarEdge. Refer to Setting Up Communication with the Monitoring Platform on page 53. The Monitoring Platform...
  • Page 52 You can create a project in Designer and export the site design with the string layout to the monitoring platform. For more information, refer to https://www.solaredge.com/products/installer-tools/designer#/. Mapper Application Use the Mapper smart phone application to scan the Power Optimizer and inverter 2D barcodes and create a virtual map of a PV site for enhanced monitoring and easier maintenance.
  • Page 53     52 Physical Layout Editor  1. If you are a registered installer, access the monitoring platform site creation page at https://monitoring.solaredge.com/solaredge- web/p/home#createSites. If you have not yet signed up, go to https://monitoring.solaredge.com/solaredge- web/p/createSelfNewInstaller.  2. Fill out all required information in the screen, which includes information about your installation, as well as details about its logical and physical mapping.
  • Page 54: Chapter 6: Setting Up Communication With The Monitoring Platform

    NOTE This guide refers to 3rd party communication products, such as internet switches and routers that are not supported by SolarEdge. For detailed information on how to install and use the products, refer to the respective publication provided with each product.
  • Page 55: Communication Connectors

    Chapter 6: Setting Up Communication with the Monitoring Platform     54 RS485 RS485 is used for the connection of multiple SolarEdge devices on the same bus in a leader-follower configuration. RS485 can also be used as an interface to external devices, such as meters and third party data loggers.
  • Page 56   Communication Connectors Figure 26 shows the communication glans of the Synergy Manager and Table 1 describes the glands. Figure 26: Synergy Manager - Communication Glands Table55 describes the openings of the communication glands of the Synergy Manager.   Table 1: Synergy Manager - Communication Glans  ...
  • Page 57 Chapter 6: Setting Up Communication with the Monitoring Platform     56 Communication Board The communication board is located, inside the Synergy Manager and serves as the communication hub of the inverter. Figure 27: Synergy Manager - communication board The Communication Board includes the following interface connectors: Cellular antenna - Antenna port for a Cellular Plug-in modem connecting the inverter to the internet.
  • Page 58: Creating An Local Area Network (Lan) Connection

     4. Release the six Allen screws of the cover and remove the Synergy Manager cover. CAUTION! When removing the cover, make sure not to damage internal components. SolarEdge will not be held responsible for any components damaged as a result of incautious cover removal. Creating an Local Area Network (LAN) Connection This communication option, enables connection to the SolarEdge monitoring platform via Ethernet.
  • Page 59 Chapter 6: Setting Up Communication with the Monitoring Platform     58 To connect the Ethernet cable:  1. Remove the nut of the COMM1 gland. CAUTION! The gland includes a rubber waterproof fitting, which should be used to ensure proper sealing.  2. Insert the CAT6 Ethernet cable through the gland nut.  3.
  • Page 60 You can connect more than one inverter to the same switch/router or to different switches/routers, as needed. Each inverter sends its monitored data independently to the SolarEdge Monitoring platform. (1) The connection does not support RX/TX polarity change. Supporting crossover Ethernet cables depends on the switch capabilities.
  • Page 61 ELECTRICAL SHOCK HAZARD. Do not touch uninsulated wires when the Connection Unit cover is removed.  d. Use the SolarEdge SetApp to access the Commissioning main menu screen as described in "Activating, Commissioning and Configuring the System" on page 45"Activating, Commissioning and Configuring the System" on page 45 .
  • Page 62: Creating An Rs485 Bus Connection

    If using a cable longer than 10 m/33 ft in areas where there is a risk of induced voltage surges by lightning, it is recommended to use surge protection devices. For details refer to: https://www.solaredge.com/sites/default/files/lightning_surge_ protection.pdf. If grounded metal conduits are used for routing the communication wires, a lightning protection device is not required.
  • Page 63 Chapter 6: Setting Up Communication with the Monitoring Platform     62 Figure 31: RS485 terminal block on the communication board  4. Loosen the screws of pins A(+), B(-), and G on the left of the RS485 terminal block (RS485-1 or RS485-2). Figure 32: RS485 terminal block  5.
  • Page 64  9. Push the RS485 terminal block firmly all the way into the connector on the right side of the communication board.  10. Terminate the first and last SolarEdge device in the chain by switching a termination DIP-switch inside the inverter to ON (move the left switch up). The DIP-switch is located on the communication board and is marked SW1.
  • Page 65: Rs485 Bus Configuration

    Chapter 6: Setting Up Communication with the Monitoring Platform     64 NOTE Only the first and last SolarEdge devices in the chain should be terminated. The other inverters in the chain should have the termination switch OFF (down position).   RS485 Bus Configuration To connect to the monitoring platform:  1.
  • Page 66: Signaling Options

      Signaling Options first tighten the corner screws and then the two central screws.  2. Access SetApp and select Commissioning > Status.  3. In the Summary section, under Server Comm., make sure S_OK  is displayed together with the selected communication option.  4. Scroll down to the Communication section and check that the communication options are as required.
  • Page 67     66 Figure 36: PRI Terminal Block Location on the Communication Board of the Inverter For detailed connection and configuration of the inverter in alternative power source mode, refer to: https://www.solaredge.com/sites/default/files/se-inverter-support-of- voltage-sources.pdf Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx SExxK-xxxxIxxxx...
  • Page 68: Appendix A: Errors And Troubleshooting

      Appendix A: Errors and Troubleshooting Appendix A: Errors and Troubleshooting This chapter describes how to troubleshoot general system problems. For further assistance, contact SolarEdge Support. Identifying Errors Errors may be indicated in various system interfaces: On the inverter bottom panel, a red LED indicates an error.
  • Page 69: Power Optimizer Troubleshooting

    Appendix A: Errors and Troubleshooting     68 Power Optimizer Troubleshooting Malfunction Possible Cause and Corrective Action Power Optimizers are shaded. If you connected the inverter to the monitoring platform, retry pairing remotely (during Pairing failed sunlight). Make sure to leave the inverter ON/OFF/P switch ON and that S_OK appears in the status screen.
  • Page 70 1V safety Voltage. If a malfunctioning Power Optimizers located, check its connections, polarity, module, and voltage.  3. Contact SolarEdge Support. Do not continue before finding the problem and replacing the malfunctioning Power Optimizer. If a malfunction cannot be bypassed or resolved, skip the malfunctioning Power Optimizer, thus connecting a shorter string.
  • Page 71: Troubleshooting Communication

    If after follower detection the number of followers displayed for the leader under RS485-1 > Follower Detect is lower than the actual number of followers, refer to the following application note to identify missing followers and troubleshoot connectivity problems: https://www.solaredge.com/sites/default/files/troubleshooting_undetected_RS485_ devices.pdf   Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx SExxK-xxxxIxxxx...
  • Page 72  3. Check that the selected communication option is properly configured.  4. Use a method independent of the SolarEdge device to check whether the network and modem are operating properly. For example, connect a laptop to the Ethernet router and connect to the Internet.
  • Page 73: Appendix B: Adding Optional Components

    AC grid lines. The SPD limits the Voltage supplied to the inverter by either blocking or shorting to ground Voltages above a safe threshold. The SPD is installed inside the inverter and communicates with the SolarEdge Monitoring platform for reporting surge protection events and faults.
  • Page 74: Appendix C: Mechanical Specifications

      Appendix C: Mechanical Specifications Appendix C: Mechanical Specifications The following figure shows the dimensions of the Three Phase Inverter with Synergy Technology. Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx SExxK-xxxxIxxxx...
  • Page 75: Appendix D: Safedc

    ON/OFF/P switch is turned to OFF, the DC Voltage drops to a safe Voltage of 1V per Power Optimizer. The SolarEdge inverters are certified for compliance with the following standards as disconnection devices for PV generators, meaning that they can replace a DC disconnect: IEC 60947-3:1999 + Corrigendum: 1999 + A1:2001 + Corrigendum 1:2001 + A2:2005;...
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