Installation Guide Three Phase Inverter with Synergy Technology For North America Version 1.
Disclaimers 1 Disclaimers Important Notice Copyright © SolarEdge Inc. All rights reserved. No part of this document may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photographic, magnetic or otherwise, without the prior written permission of SolarEdge Inc. The material furnished in this document is believed to be accurate and reliable. However, SolarEdge assumes no responsibility for the use of this material.
2 FCC Compliance FCC Compliance This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
Contents 3 Contents Disclaimers Important Notice FCC Compliance 1 1 2 Contents 3 Support and Contact Information 5 Version History 6 HANDLING AND SAFETY INSTRUCTIONS Safety Symbols Information 8 8 IMPORTANT INVERTER SAFETY INSTRUCTIONS 9 Chapter 1: Introducing the SolarEdge Power Harvesting System Power Optimizer Three Phase Inverter with Synergy Technology Monitoring Platform Supported AC Grids Installation Procedure Installation Equipment List 13 13 14 15 15 16 16 Chapter 2: Installing the
4 Contents Chapter 5: Activating, Commissioning and Configuring the System Using the Inverter SetApp Step 1: Activating the Installation Step 2: Commissioning and Configuring the Installation Step 3: Verifying Proper Activation and Commissioning Viewing System Status Reporting and Monitoring Installation Data 51 51 52 57 58 65 Chapter 6: Setting Up Communication Communication Options Communication Connectors Creating an Ethernet (LAN) Connection Creating an RS485 Bus Connection RS485 Bus Configuration Ve
Support and Contact Information Support and Contact Information If you have technical problems concerning SolarEdge products, please contact us: USA and Canada: 1 510 498 3200 Worldwide: +972 073 2403118 Fax: +1 (530) 273-2769 Email: ussupport@solaredge.com. Support Center: https://www.solaredge.com/us/service/support Before contact, make sure to have the following information at hand: Model and serial number of the product in question.
6 Version History Version History Version 1.5 - February 2019 Added appendix 'Determining the Circuit Breaker Size' and paragraph referencing to it, in the 'Grid Connection Guidelines' section Added Proposition 65 warning (for California). Version 1.4 - December 2018 Updated communication options and menus. Updated guidelines for use of extension cabels in power optimizer installation Version 1.
Version History 7 Addition of possibility to use compatible connectors from third-party manufacturers Update regarding use of extension cables in power optimizer installation guidelines Recommendation to mount the power optimizer in a location protected from direct sunlight Addition of caution - installation in saline environment Addition of link to the Designer web page Updated warning about sealing unused power optimizer input connectors Output safe voltage is 1V (±0.
8 HANDLING AND SAFETY INSTRUCTIONS HANDLING AND SAFETY INSTRUCTIONS During installation, testing and inspection, adherence to all the handling and safety instructions is mandatory. Failure to do so may result in injury or loss of life and damage to the equipment. Safety Symbols Information The following safety symbols are used in this document. Familiarize yourself with the symbols and their meaning before installing or operating the system. WARNING! Denotes a hazard.
IMPORTANT INVERTER SAFETY INSTRUCTIONS 9 IMPORTANT INVERTER SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS WARNING! The inverter cover must be opened only after shutting off the inverter ON/OFF switch located at the bottom of the Primary Unit, above the Connection Unit. This disables the DC voltage inside the inverter and opens the AC relays. Wait five minutes before opening the cover. Otherwise, there is a risk of electric shock from energy stored in the capacitors.
10 IMPORTANT INVERTER SAFETY INSTRUCTIONS WARNING! Opening the inverter and repairing or testing under power must be performed only by qualified service personnel familiar with this inverter. AVERTISSEMENT! L’unité ne doit être ouverte que par un technicien qualifié dans le cadre de l'installation et de la maintenance. WARNING! The three phase SE66.
IMPORTANT INVERTER SAFETY INSTRUCTIONS 11 CAUTION! HEAVY OBJECT. To avoid muscle strain or back injury, use proper lifting techniques, and if required - a lifting aid. ATTENTION Objet lourd. Pour éviter la fatigue musculaire ou des blessures au dos, utilisez des techniques de levage appropriées et, si nécessaire - un auxiliaire de levage lors du retrait.
12 IMPORTANT INVERTER SAFETY INSTRUCTIONS IMPORTANT SAFETY INFORMATION Building or structures with both utility service and a PV system, complying with NEC 690.12, shall have a permanent plaque or directory including the following wording: PHOTOVOLTAIC SYSTEM EQUIPPED WITH RAPID SHUTDOWN. The term “PHOTOVOLTAIC” may be replaced with “PV.” The plaque or directory shall be reflective, with all letters capitalized and having a minimum height of 9.5mm (3/8 in.) in white on red background.
Chapter 1: Introducing the SolarEdge Power Harvesting System 13 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. The following sections describe each of the system’s components.
14 Three Phase Inverter with Synergy Technology The Rapid Shutdown (PVRSS) is initiated by one of the following methods: Inverter AC breaker is turned OFF, or AC to the inverter is disconnected by another method (intentionally or as result of a fault) Inverter ON/OFF switch is turned OFF The Connection Unit is turned OFF Each power optimizer also transmits module performance data over the DC power line to the inverter.
Chapter 1: Introducing the SolarEdge Power Harvesting System 15 Figure 2: Primary Unit with two Secondary Units Monitoring Platform The monitoring platform enables monitoring the technical and financial performance of one or more SolarEdge sites. It provides past and present information on the system performance both at the system and module levels. Supported AC Grids The following section shows the AC grids supported by the inverters (model dependent).
16 Installation Procedure NOTE Some three phase inverters support the 208V Delta grid. Refer to Setting the Inverter to Support 208V 3-wire Grid on page 49. Installation Procedure The following is the procedure for installing and setting up a new SolarEdge site. Many of these also apply to modification of an existing site. 1. Installing the Power optimizers , page 18 2.
Chapter 1: Introducing the SolarEdge Power Harvesting System 17 the Primary and Secondary Unit(s) mounting brackets to the mounting surface the power optimizers to the racking (not required for smart modules) 4xM8 ring terminals and suitable crimper Wire cutters Wire strippers Voltmeter For installing the communication options, you may also need the following: For Ethernet: CAT5/6 twisted pair Ethernet cable with RJ45 connector If using a CAT5/6 cable spool: RJ45 plug and RJ45 crimper For RS485: Four- or
18 Chapter 2: Installing the Power Optimizers Chapter 2: Installing the Power Optimizers Safety The following notes and warnings apply when installing the SolarEdge power optimizers. Some of the following may not be applicable to smart modules: WARNING! The metallic enclosure of the power optimizer must be grounded in accordance with the product's listing and local and national codes.
Chapter 2: Installing the Power Optimizers 19 CAUTION! All PV modules must be connected to a power optimizer. ATTENTION! Tous les modules doivent être connectés à un optimiseur de puissance. CAUTION! If you intend to mount the optimizers directly to the module or module frame, first consult the module manufacturer for guidance regarding the mounting location and the impact, if any, on module warranty. Drilling holes in the module frame should be done according to the module manufacturer instructions.
20 Package Contents ATTENTION! Les connecteurs du module doivent être mécaniquement compatibles avec les optimiseurs de puissance. Sinon, le système SolarEdge installé peut être dangereux ou causer des problèmes fonctionnels, tels que les défauts de terre, qui peuvent provoquer un arrêt de l’onduleur. Afin d'assurer la compatibilité mécanique entre les optimiseurs de puissance SolarEdge et les modules auxquels ils sont connectés:.
Chapter 2: Installing the Power Optimizers 21 Position the power optimizer close enough to its module so that their cables can be connected. Make sure to use power optimizers that have the required output conductor length: Do not use extension cables between a module and a power optimizer, between two modules connected to the same optimizer, or between two optimizers other than in the cases specified below.
22 Step 1: Mounting and Grounding the Power Optimizers ensure the power optimizers are not be exposed to temperatures outside their specifications. NOTE The images contained herein are for illustrative purposes only and may vary depending on product models. Step 1: Mounting and Grounding the Power Optimizers (1) For each of the power optimizers : 1.
Chapter 2: Installing the Power Optimizers 23 For 3NA series power optimizes, SolarEdge recommends mounting the power optimizer on a rail with the smooth side facing out, so that the power optimizer body will prevent its rotation. (1) 4. Use the following methods to ground the power optimizer: WARNING! The metallic enclosure of the power optimizer must be grounded in accordance with the requirements of the local and national codes.
24 Step 1: Mounting and Grounding the Power Optimizers Figure 6: Power optimizer installation and grounding using a grounding plate For mounting on un-grounded structures (such as a wooden structure): If the star washer or the plate cannot be used, use the SolarEdge grounding lug (purchased separately) with an equipment-grounding conductor according to the supplied instructions. The grounding terminal accepts a wire size of 6-14 AWG, and must be sized for equipment grounding per NEC 250.122 requirements.
Chapter 2: Installing the Power Optimizers 25 Step 2: Connecting a PV Module to a Power Optimizer NOTE Images are for illustration purposes only. Refer to the label on the product to identify the plus and minus input and output connectors. For each of the power optimizers: Connect the Plus (+) output connector of the module to the Plus (+) input connector of the power optimizer. Connect the Minus (-) output connector of the module to the Minus (-) input connector of the power optimizer.
26 Step 4: Verifying Proper Power Optimizer Connection IMPORTANT SAFETY FEATURE For a compliant PV Rapid Shutdown (PVRSS) installation, use no more than 30 optimizers per string. Enabling PVRSS from the inverter menu is only required if the installed optimizers were manufactured before 2015, otherwise it is enabled by default. NOTE The DC bus of each unit is separate and not shared for all units.
Chapter 2: Installing the Power Optimizers 27 In SolarEdge systems, due to the introduction of poweroptimizers between the PV modules and the inverter, the short circuit current ISC and the open circuit voltage VOC hold different meanings from those in traditional systems. For more information about the SolarEdge system’s string voltage and current, refer to the VOC and ISC in SolarEdge Systems Technical Note, available on the SolarEdge website at: https://www.solaredge.
28 Chapter 3: Installing the Primary and Secondary Unit(s) Chapter 3: Installing the Primary and Secondary Unit(s) Install the units either before or after the modules and power optimizers have been installed. First install the Primary Unit, then the Secondary Unit(s) (in any order).
Chapter 3: Installing the Primary and Secondary Unit(s) 29 Primary Unit Interface Figure 10: Primary Unit interface AC and DC conduit entries: Connection points of the Connection Unit. Two communication glands: For connection of communication options. Each gland has three openings. Refer to Setting Up Communication on page 68 for more information.
30 Primary Unit Interface P Position duration Function Comments Displays production information for 5 seconds on the SetApp screen. Switch moved to P for less than 5 seconds, then released. Displays error type indications (if exist) for 5 seconds. While the switch is in P, all LEDs 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.
Chapter 3: Installing the Primary and Secondary Unit(s) Generally, the main LED indications are: Blue ON - the inverter is communicating with the monitoring platform Green ON - the system is producing Green blinking - AC is connected but the system is not producing Red ON - system error Figure 12: LEDs Three Phase Inverter with Synergy Technology Installation MAN-01-00401-1.
32 Primary Unit Interface The following table describes system performance information by LED color and ON/OFF/P switch position.
Chapter 3: Installing the Primary and Secondary Unit(s) 33 The following table describes production percentage of AC information by LED color and ON/OFF/P switch position.
34 Secondary Unit Interface NOTE When the Connection Unit is OFF (for example during maintenance) it may be locked to prevent a safety hazard: 1. Move the switch to the Lock position. 2. Insert the lock through the knob opening and lock.
Chapter 3: Installing the Primary and Secondary Unit(s) 35 Opening Conduit Drill Guides This section describes how to open the AC and DC drill guides. This step may be performed before or after mounting the inverter. To open conduit drill guides: 1. Ensure that the Connection Unit and inverter ON/OFF switch are set to OFF. 2. Loosen the screws on the front cover of the Connection Unit. Figure 15: Opening the Connection Unit cover 3. Remove the Connection Unit cover. 4.
36 Mounting and Connecting the Primary and Secondary Unit(s) Open the DC entry cover. If needed, knockout the DC drill guide. NOTE The Connection Unit is provided with one open DC conduit opening and with one closed drill guide. If you require an additional conduit entry, open the drill guide. Open the AC conduit entry. If using one Secondary Unit, open the drill guide according to the smaller size marking. If using two Secondary Units you can open it to a larger diameter according to the cable size.
Chapter 3: Installing the Primary and Secondary Unit(s) 37 CAUTION! HEAVY OBJECT. To avoid muscle strain or back injury, use proper lifting techniques, and if required - a lifting aid. ATTENTION Objet lourd. Pour éviter la fatigue musculaire ou des blessures au dos, utilisez des techniques de levage appropriées et, si nécessaire - un auxiliaire de levage lors du retrait.
38 Mounting and Connecting the Primary and Secondary Unit(s) Location Clearance Indoor Installation Locations where the annual average high (1) temperature is below 25˚C / 77˚F 20 cm / 8" between inverters Locations where the annual average high temperature1 is above 25˚C / 77˚F 40 cm / 16" between inverters Outdoor Installation 5 cm / 2" between inverters (if inverters are also installed one above the other, maintain the indoor installation clearance) 3.
Chapter 3: Installing the Primary and Secondary Unit(s) Figure 18: Brackets spacing If you are using the level: a. Drill two holes for each bracket and mount the brackets. b. Place the level beneath the brackets and align the brackets, tighten the screws all the way and verify that the brackets are firmly attached to the mounting surface. Figure 19: Aligning the brackets c. Position the mounting brackets against the wall and mark the required drilling holes locations with the supplied level.
40 Mounting and Connecting the Primary and Secondary Unit(s) a. Lift the Primary Unit from its sides. b. 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 20). c. Insert the supplied screw through the right side of the heat sink and into the bracket. Figure 20: Hanging units 7. Mount the Secondary Unit(s): There is no specific order for hanging the Secondary Units.
Chapter 3: Installing the Primary and Secondary Unit(s) 41 Mark the location of the bracket screw and drill the hole Fasten the bracket using a standard bolt Verify that the bracket is firmly attached to the mounting surface . Figure 21: Connection Unit bracket 9. Connect the Connection Unit cables to the Secondary Unit(s) connectors: Communication cable to communication connector AC cable to AC connector: Position the cable so that the arrows are facing you. Plug the AC cable into the Secondary Unit.
42 Mounting and Connecting the Primary and Secondary Unit(s) Figure 23: Connecting the Connection Unit to the Secondary Unit Assemble the two parts of the cable lock (supplied with the inverter) around the cable connector, making sure that the orientation of the printed text on the lock is correct. Push the parts together until they click to lock. To open the lock use a flat-bladed screwdriver. Figure 24: Cable lock Three Phase Inverter with Synergy Technology Installation MAN-01-00401-1.
Chapter 3: Installing the Primary and Secondary Unit(s) DC cables to DC+ and DC- connectors Figure 25: Connecting the DC wires Three Phase Inverter with Synergy Technology Installation MAN-01-00401-1.
44 Chapter 4: Connecting the AC and Strings to the Connection Unit Chapter 4: Connecting the AC and Strings to the Connection Unit The Safety Switch in the Connection Unit disconnects all ungrounded DC conductors in compliance with the National Electric Code (NEC; Specifically NEC690.35, which addresses ungrounded PV arrays). The Connection Unit is rated to the maximum operating conditions of the inverter. Inverters of different models might be equipped with different sizes/ types of terminal blocks.
Chapter 4: Connecting the AC and Strings to the Connection Unit 45 NOTE It is recommended to connect communication connections ( Setting Up Communication on page 68) before connecting the AC, for easier access to the communication board. Connecting the AC Grid and Grounding to the Connection Unit This section describes how to connect the AC grid and grounding to the Connection Unit .
46 Connecting the AC Grid and Grounding to the Connection Unit 4. Insert the cable through the AC drill guide that was opened. NOTE Connect the equipment grounding before connecting the AC wires to the AC terminal block. Veillez à relier le conducteur de PE (la terre) avant de connecter les fils CA au bornier CA. 5. Connect the grounding wire to the grounding terminal block and tighten with a torque of 15N*m / 12 lb*ft. 6. Remove the screws from the AC terminal blocks.
Chapter 4: Connecting the AC and Strings to the Connection Unit 47 NOTE The following are the requirements for the Lugs: Bolt hole size: M* (5/16"). Compression lugs only (no mechanical lugs). Compression lugs of the one-hole, standard barrel, 600v type. 4/0 lugs shall be of the narrow tongue type Maximum wire size: 4/0 AWG Maximum lug tongue thickness: 0.16" Maximum lug tongue width: 0.9" 8. Apply heat shrink insulation to the lug barrels. 9.
48 Connecting the Strings to the Connection Unit connected to different units cannot be combined. When connecting multiple strings, it is recommended to run separate circuits to the Connection Unit or to position the combiner box near the Connection Unit.This simplifies commissioning by allowing testing and servicing near the inverter. To connect the strings to the Connection Unit with glands/conduits: 1. Strip 5⁄16'' (8 mm) of the DC wire insulation. 2.
Chapter 4: Connecting the AC and Strings to the Connection Unit 49 Figure 28: DC Spring-clamp terminals 5. Close the Connection Unit cover: Attach the switch cover and secure it by tightening the six screws with a torque of 1.2 N*m / 0.9 ft.*lb. 6. Ensure proper conduit sealing; inspect the entire conduit run and use standard conduit sealants to avoid water penetration.
50 Setting the Inverter to Support 208V 3-wire Grid 2. Remove the dummy fuse from the 3-wire grid fuse holder and set it aside. 3. Move the fuse from the 4-wire grid fuse holder to the 3-wire grid fuse holder. 4. Place the dummy fuse in the 4-wire grid fuse holder. 5. During system setup, set the country to the appropriate 3-wire grid option. Using the non-3-wire setting may result in incorrect system operation.
Chapter 5: Activating, Commissioning and Configuring the System Using the Inverter SetApp 51 Chapter 5: Activating, Commissioning and Configuring the System Using the Inverter SetApp If applicable, you can connect communication options at this stage, as described in Setting Up Communication on page 68. Once all connections are made, the system should be activated and commissioned using the Inverter SetApp mobile application.
52 Step 2: Commissioning and Configuring the Installation 4. When the activation is complete, do one of the following: Select Activate Another Inverter to continue activating additional inverters Select Start Commissioning for pairing and other system configuration. The Commissioning screen is displayed. Refer to the next section for more information.
Chapter 5: Activating, Commissioning and Configuring the System Using the Inverter SetApp 53 If the inverter has already been activated and commissioned: If not already ON - turn ON AC to the inverter by turning ON the circuit breaker on the main distribution panel. If not already ON - move the Connection Unit switch to the ON position. Open SetApp and follow the instructions on the screen (scan the inverter bar-code; move the ON/OFF/P switch to P position (for less than 5 sec) and release).
54 Step 2: Commissioning and Configuring the Installation Perform this step when the modules are exposed to sunlight. If the string length is changed or a power optimizer is replaced, repeat the pairing process. 1. From the main menu, select Pairing. 2. Tap Start Pairing. 3. When Pairing Complete is displayed, the system startup process begins: Since the inverter is ON, the power optimizers start producing power and the inverter starts converting AC.
Chapter 5: Activating, Commissioning and Configuring the System Using the Inverter SetApp 55 NOTE The Server menu shows only the communication options installed in the inverter. For detailed information about all the configuration options, refer to the Communication Options Application Note, available on the SolarEdge website at https://www.solaredge.com/sites/default/files/solaredgecommunication_options_application_note_v2_250_and_above.pdf.
56 Step 2: Commissioning and Configuring the Installation For more information refer to https://www.solaredge.com/products/devicecontrol#/. Maintenance From the Commissioning menu, select Maintenance to configure various system settings, as described below. Date and Time: Set the internal real-time clock. If connected to the monitoring platform, the date and time are set automatically and only time zone should be set.
Chapter 5: Activating, Commissioning and Configuring the System Using the Inverter SetApp 57 CPU Version: The communication board firmware version DSP 1/2 Version: The digital board firmware version NOTE Please have these numbers ready when you contact SolarEdge Support.
58 Viewing System Status Viewing System Status During normal operation, the Status screen displays all the inverter settings and operation status. Scroll up or down to display various status parameters as described in the following sections. The LED indication provides more information about system performance; Refer to LEDs on page 30LEDs on page 1. To access the Status screen: From the Commissioning menu select Status. The main inverter Status screen is displayed (see below).
Chapter 5: Activating, Commissioning and Configuring the System Using the Inverter SetApp 59 Main Inverter Status Status Inverter SN 07318000C Power Voltage Frequency 100 kW 277 Vac 60.9 Hz P_OK: 138 of 141 Server Comm. Optimizers Connected S_OK (LAN) Status Switch Production OFF CosPhi Limit Country 1.00 No Limit USA2 Voltage Temp Fan 850 Vdc 156 F OK Switch Off.
60 Viewing System Status S_OK: The connection to the monitoring platform. (Server Connected appears only if the inverter is connected to the monitoring platform). Status: The inverter operation status: Off, Not Paired, Night Mode, Error, Pairing, or Production Switch: Indicates the position of the inverter ON/OFF/P switch: On, Off, or P position. CosPhi: Indicates the ratio between active and reactive power.A negative value indicates a lagging CosPhi.
Chapter 5: Activating, Commissioning and Configuring the System Using the Inverter SetApp 61 Status Site Production Limit Inverters 1.00 MW 1.00 MW 10/10 Inverter SN 07318000C Power Voltage Frequency 100 kW 277 Vac 60.9 Hz P_OK: 141 0f 141 S_OK Optimizers Connected Server Connected Status Switch Production OFF CosPhi Limit Country 1.
62 Viewing System Status Site status: Production: The AC output power Limit: Limitation setting (Export or Production) Inverters: Number of connected inverters in the cluster, including the master. Inverter status: Displays status parameters of the primary unit of the master inverter. Refer to Main Inverter Status on page 59 for detailed information. Inverter Units: Displays the status parameters of the master’s primary unit and secondary units.
Chapter 5: Activating, Commissioning and Configuring the System Using the Inverter SetApp 63 Temporarily displayed (with a clock sign): Initializing communication Connecting to a network Connecting to SolarEdge servers Error message (with the page 87. sign). Refer to Troubleshooting Communication on Inverter Energy Status Displays the total energy produced during the last day, month, year and since inverter installation. Inverter Energy Today 45 kWh This Month This Year 1.14 MWh 13.
64 Viewing System Status Meter Status Meters Export – RS485-2 Modbus ID #2 Status: OK Power: 7.60 kW, Energy: 13.68MWh Export – GPIO S0 meter 1000 pulses per kWh Power: 7.60kW, Energy: 13.68MWh Type and function: Displays the meter functionality (Production, Export, Import, Export+Import) Status: Displays OK if the meter is communicating with the inverter : If there is a meter error, it is displayed in this line.
Chapter 5: Activating, Commissioning and Configuring the System Using the Inverter SetApp 65 Reporting and Monitoring Installation Data NOTE 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 on page 68.
66 Reporting and Monitoring Installation Data Creating Logical and Physical Layout using Installation Information To display a logical layout, insert the inverterserial number in the new site created in the monitoring platform. When the communication between the inverter and the monitoring server is established, the logical layout is displayed. To display a physical layout, you need to map the locations of the installed power optimizers.
Chapter 5: Activating, Commissioning and Configuring the System Using the Inverter SetApp 67 Physical Layout Editor 1. If you are a registered installer, access the monitoring platform site creation page at https://monitoring.solaredge.com/solaredgeweb/p/home#createSites . If you have not yet signed up, go to https://monitoring.solaredge.com/solaredge-web/p/createSelfNewInstaller. 2.
68 Chapter 6: Setting Up Communication Chapter 6: Setting Up Communication The inverter sends the following information to the monitoring platform: Power optimizer information received via the DC power lines (the PV output circuit). inverter information Information of any other connected devices. This chapter describes setting up communication between: The inverter and the monitoring platform through the Internet (wired/ wireless), or through a cellular connection.
Chapter 6: Setting Up Communication 69 Communication Options The following types of communication can be used to transfer the monitored information from the inverter to the monitoring platform. Only communication products offered by SolarEdge are supported. Ethernet Ethernet is used for a LAN connection. For connection instructions refer to Creating an Ethernet (LAN) Connection on page 73.
70 Communication Connectors Communication Connectors The Primary Unit has communication glands for connecting the various communication options to the inverter, as described in the following table. Unused openings should remain sealed. Gland# Opening two large openings 1 Primary Unit one small opening 2-4 mm 2 Connection Unit 4.5-7 mm 1 three large openings 2.
Chapter 6: Setting Up Communication 71 Communication Board The communication board is in the Primary Unit with an extension in the Connection Unit. Primary Unit Communication Board Open the Primary Unit cover to access the communication board to: GSM- connect a GSM modem. See Communication Options on page 69. RS485-1 - connected to the Connection Unit communication board.
72 Communication Connectors Connection Unit Communication Board Open the Connection Unit cover to access the communication board to: connect a standard RJ45 connector for Ethernet. connect RS485 wires to the terminal blocks for RS485 connection. There are two 3-pin terminal blocks, one for connecting the preceding device in the bus and one for connecting the following device. Additionally, the RS485 port has a built-in surge protection.
Chapter 6: Setting Up Communication 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. ATTENTION! Lors du retrait du couvercle, assurez-vous de ne pas endommager les composants internes. SolarEdge ne peut être tenue pour responsable des composants endommagés à la suite d'une imprudence dans le retrait du couvercle.
74 Creating an Ethernet (LAN) Connection To connect the Ethernet cable: 1. Open the communication gland. CAUTION! The gland includes a rubber waterproof fitting, which should be used to ensure proper sealing. ATTENTION! Le cote interne du gland contient une rondelle qui doit être utilisée pour une bonne étancheïté. 2. Remove the rubber fitting from the gland and insert the CAT5/6 cable through the gland and through the gland opening in the Connection Unit . 3.
Chapter 6: Setting Up Communication (1) RJ45 Pin # 5 6 7 8 Wire Color T568A 10Base-T Signal 100Base-TX Signal White/Blue Orange White/Brown Brown Reserved ReceivedReserved Reserved T568B White/Blue Green White/Brown Brown 75 Figure 36: Standard cable wiring 5. Use a pre-crimped cable to connect via the gland to the RJ45 port on the inverter's communication board or, if using a spool of cable, connect as follows: a. Insert the cable through the gland. Figure 37: Inserting communication cables b.
76 Creating an Ethernet (LAN) Connection Figure 38: Connection Unit Communication board 6. For the switch/router side, use a pre-crimped cable or use a crimper to prepare an RJ45 communication connector. 7. Connect the cable RJ45 connector to the RJ45 port of the Ethernet switch or router. 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.
Chapter 6: Setting Up Communication 77 f. Select the following to configure the connection: Server è LAN LAN è DHCP è Enable 9. Verify the connection, as described in Verifying the Connection on page 81. NOTE The system automatically establishes communication with the monitoring platform as it is configured to LAN by default. NOTE If your network has a firewall, you may need to configure it to enable the connection to the following address: Destination Address: prod.solaredge.
78 Creating an RS485 Bus Connection To connect the RS485 communication bus: 1. Open the communication gland. CAUTION! The gland includes a rubber waterproof fitting, which should be used to ensure proper sealing. ATTENTION! Le cote interne du gland contient une rondelle qui doit être utilisée pour une bonne étancheïté. 2. Remove the rubber fitting from the gland and insert the CAT5/6 cable through the gland and through the gland opening in the Connection Unit.
Chapter 6: Setting Up Communication 79 5. Loosen the screws of pins A(+), B(-), and G in either the 'Out' or 'In' RS485 terminal block. Figure 41: RS485 terminal block wire connections 6. Insert the wire ends into the G, A and B pins shown above. Use one terminal block for the previous inverter in the bus and the other terminal block for the next inverter in the bus, as shown in Figure 42.
80 RS485 Bus Configuration 11. Terminate the first and last inverters on the bus by moving the termination switch to ON (left position); See Figure 40. The other inverters on the bus should have the termination switch OFF (right position). RS485 Bus Configuration To connect to the monitoring platform: 1. Designate a single inverter as the connection point between the RS485 bus and the monitoring platform. This inverter will serve as the master inverter.
Chapter 6: Setting Up Communication 81 Verifying the Connection After connecting and configuring a communication option, perform the following steps to check that the connection to the monitoring server has been successfully established. 1. If the Connection Unit cover is not closed, close it: Attach the Connection Unit cover and secure it by tightening the screws with a torque of 10.3 N*m/ 7.5 lb.*ft.For proper sealing, first tighten the corner screws and then the two central screws. 2.
82 Verifying the Connection 4. Scroll down to the Communication section and check that the communication options are as required. For more information refer to Communication Status on page 62. Communication LAN Connected RS485-1 RS485-2 SE Slave Modbus NC 2 of 2 Cellular ZigBee N/A NC Three Phase Inverter with Synergy Technology Installation MAN-01-00401-1.
Appendix A: Errors and Troubleshooting 83 Appendix A: Errors and Troubleshooting This appendix describes general system problems, and how to troubleshoot them. 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. In the monitoring platform and the SetApp, errors are displayed with codes.
84 Identifying Errors Figure 43: Inverter menu 3. Click the Errors tab. The list is displayed. Figure 44: Inverter details - Error list Three Phase Inverter with Synergy Technology Installation MAN-01-00401-1.
Appendix A: Errors and Troubleshooting 85 Power Optimizer Troubleshooting Problem Possible cause and troubleshooting Power optimizers are shaded. Pairing failed String voltage is 0V If you connected the inverter to the monitoring platform, retry pairing remotely (during sunlight). Make sure to leave the inverter ON/OFF switch ON and that S_OK appears in the status screen. Power optimizer (s) output is disconnected. Connect all power optimizer outputs. Power optimizer(s) not connected in the string.
86 Power Optimizer Troubleshooting Problem Possible cause and troubleshooting Extra power optimizer(s) connected in the string (not applicable to smart modules). Check if an extra power optimizer is connected in the string. If not – proceed to next solution. A module is connected directly to the string, without a power optimizer (not applicable to String voltage is higher than number smart modules).
Appendix A: Errors and Troubleshooting 87 Troubleshooting Communication Troubleshooting Ethernet (LAN) Communication The possible errors and their troubleshooting are detailed in the following table: Error Message LAN cable disconnected No DHCP Configure Static IP or set to DHCP Cause and Troubleshooting Physical connection fault. Check the cable pinout assignment and cable connection IP settings issue. Check the router and inverter configuration. Consult your network IT.
88 Troubleshooting Communication Additional Troubleshooting 1. Check that the modem or hub/router is functioning properly. 2. Check that the connection to the internal connector on the communication board is properly done. 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. 5.
Appendix B: Mechanical Specifications Appendix B: Mechanical Specifications The following figures provide dimensions of the Primary Unit, Connection Unit and Secondary Unit. Primary Unit and Connection Unit Figure 45: Primary Unit and Connection Unit - front, side and rear views Secondary Unit Figure 46: Secondary Unit - front, side and rear views Three Phase Inverter with Synergy Technology Installation MAN-01-00401-1.
90 Appendix C: External Fan Maintenance and Replacement Appendix C: External Fan Maintenance and Replacement The Primary and Secondary Units have two fans each: one is internal and the other is accessible from the outside of the unit. This appendix describes external fan replacement. A fan replacement kit is available from SolarEdge.
Appendix C: External Fan Maintenance and Replacement Figure 48: Fan door open 4. Disconnect the fan connector and remove the fan. 5. Connect the fan connector to the new fan. 6. Close the fan door and fasten the cover screws. Three Phase Inverter with Synergy Technology Installation MAN-01-00401-1.
92 External Fan Replacement 7. After powering up the inverter, check the fan status on SetApp: Select Commissioning è Status. ð Three Phase Inverter with Synergy Technology Installation MAN-01-00401-1.
Appendix D: Replacing System Components 93 Appendix D: Replacing System Components This appendix details replacement procedures for the SolarEdge system components. NOTE If you are permanently disassembling the installation or part of it, make sure to use the disposal methods dictated by local regulations. Replacing the Primary Unit 1.
94 Replacing the Primary Unit 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. ATTENTION! Lors du retrait du couvercle, assurez-vous de ne pas endommager les composants internes. SolarEdge ne peut être tenue pour responsable des composants endommagés à la suite d'une imprudence dans le retrait du couvercle. 5.
Appendix D: Replacing System Components 95 8. Place the new Primary Unit on the mounting bracket; insert the screw securing the Primary Unit through the right side of the heat sink and into the bracket. 9. Screw the two conduit nuts in the Primary Unit securing the Connection Unit to the Primary Unit. 10. Connect the DC, AC wires and the communication connectors to the Primary Unit. 11. For a 3 unit inverter reconnect the AC, DC and comm cables from the Connection Unit to the right Secondary Unit. 12.
96 Replacing the Connection Unit 7. Perform pairing as described in Activating, Commissioning and Configuring the System Using the Inverter SetApp on page 51. Replacing the Connection Unit Removing the Connection Unit 1. Turn OFF the Inverter ON/OFF switch, and wait until the green LED is blinking ,indicating that the DC voltage is safe (<50V), or wait five minutes before continuing to the next step.
Appendix D: Replacing System Components 97 5. If you replace a Connection Unit with a built-in Energy Meter, disconnect the RS485 connector from the inverter communication board. 6. Unscrew the two conduit nuts in the Primary Unit securing the Connection Unit to it, see Figure 50. 7. Open the Connection Unit cover and disconnect the DC, AC and communication wires. Unscrew the two conduit nuts securing the Connection Unit to the external conduits. 8. Release the Connection Unit bracket from the wall. 9.
98 Replacing Power Optimizers 5. Verify that there are no unconnected wires at the output of the Connection Unit and that any unused terminal screws are tightened. 6. Connect the DC and AC wires to the Connection Unit.Refer toConnecting the AC and Strings to the Connection Unit on page 44 . 7. If you replace a Connection Unit with a built-in Energy Meter, connect the RS485 connector to the inverter communication board. 8.
Appendix E: Determining the Circuit Breaker Size 99 Appendix E: Determining the Circuit Breaker Size Revision History Version 1.0 February 2019: first release Introduction Inverters should be protected by circuit breakers. This document describes how to determine which circuit breaker to use in three phase commercial installations. Using Transformers in Commercial Three Phase Inverter Installations Using transformers in a commercial installation is optional.
100 Using Transformers in Commercial Three Phase Inverter Installations There are many considerations for selecting the suitable transformer and its associated current limiting devices such as circuit breakers and fuses. The considerations must include at least the following: The transformer should be designed for a typical PV system production profile: high daytime loads with no loads at night.
Appendix E: Determining the Circuit Breaker Size 101 Determining the Size of an Inverter Circuit Breaker This section explains how to determine the rate of a circuit breaker next to an inverter. For an example of an inverter with a circuit breaker next to it see Figure 52. Ensure you have the following parameters before determining the circuit breaker size: The inverter's maximum continuous output current as appears in the datasheet. Factor for the installation's country.
102 Determining the Size of an Inverter Circuit Breaker Table 1: Circuit Breaker Criteria Inverter SE12.5K SE14.4KUS SE15K SE16K SE17K SE25K SE27.6K SE30K SE33.3K SE43.2KUS SE50K SE55K SE66.6K SE66.6KUS SE75K SE82.8K SE100K SE100KUS Max. Continuous Output Current Recommended Circuit Breaker (per Phase) 20A 25A 40A 50A 23A 32A 25.5A 32A 26A 32A 38A 50A 40A 50A 36.
Three Phase Inverter with Synergy Technology - Technical Specifications (North America) 103 Three Phase Inverter with Synergy Technology Technical Specifications (North America) SE66.6KUS SE100KUS Three Phase Inverters for the 208V Grid SE43.
104 Three Phase Inverter with Synergy Technology - Technical Specifications (North America) Three Phase Inverters for the 208V Grid SE43.2KUS Units 500 300 Vdc 1000 600 Vdc 425 200 Vdc 850 400 Vdc 114 Adc 135 Adc 97 % Three Phase Inverters for the 277/480V Grid SE66.
Three Phase Inverter with Synergy Technology - Technical Specifications (North America) 105 Three Phase Inverters for the 277/480V Grid SE66.6KUS AC output conduit size / AWG range / Max PE AWG SE100KUS Three Phase Inverters for the 208V Grid SE43.2KUS 1.5"/2/0/6 2"/4/0/4 2 X 1.25" /6-14 /6 strings 2 X 1.25" /6-14 /9 strings Units (1) DC input conduit size /Terminal Block AWG Range'Number fo Strings Primary Unit: 37 x 12. 5 x 10. 5 / 940 x 315 x 260 Dimensions (HxWxD) Sec ondary Unit: 21 x 12.
106 Default Trip Limits and Times According to IEEE1547 3 cycle RMS - the integral on 3-cycle duration Default Trip Limits and Times According to IEEE1547 NOTE The inverters are equipped with adjustable utility protective function setpoints, and can be aggregated above 30kW on a single Point of Common Connection. The default settings are in compliance with IEEE1547. Utility authorization is required to change these set-points. Voltage Range (% of Base Voltage) Max. Clearing Time (Sec) V < 50% 0.
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