SolarEdge SE50K Installation Manual

Version 1.0

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If you have technical problems concerning SolarEdge products, please contact us: Country Phone E-Mail Australia (+61) 1800 465 567 [email protected] APAC (Asia Pacific)(+972) 073 240 3118 [email protected] Benelux NL (+31): 0800-7105 BE (+32): 0800-76633 [email protected] [email protected] China (+86) 21 6212 5536 [email protected] DACH & Rest of Europe (+49) 089 454 59730 [email protected] France (+33) 0800 917410 [email protected] Italy (+39) 0422 053700 [email protected] Japan (+81) 03 6262 1223 [email protected] New Zealand (+64) 0800 144 875 [email protected] US & Canada (+1) 510 498 3200 [email protected] United Kingdom (+44) 0800 028 1183 [email protected] Greece (+49) 89 454 59730 [email protected] Israel (+972) 073 240 3122 Middle East & Africa (+972) 073 240 3118 South Africa (+27) 0800 982 659 Turkey (+90) 216 706 1929 Worldwide (+972) 073 240 3118 Before contact, make sure to have the following information at hand: l Model and serial number of the product in question. l The error indicated on the SolarEdge Inverter SetApp mobile applicationscreen or on the SolarEdge monitoring platform or by the LED, if there is such an indication. l System configuration information, including the type and number of modules connected and the number and length of strings. l The communication method to the SolarEdge server, if the site is connected. l The inverter software version as appears in the ID status screen. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 2 Support andContact Information

2 HANDLING AND SAFETY INSTRUCTIONS 7 Safety Symbols Information 7 IMPORTANT INVERTER SAFETY INSTRUCTIONS 7 Chapter 1: Introducing the SolarEdge Power Harvesting System 9 SolarEdge Power Optimizer 9 Extended Power Commercial Inverter 10 SolarEdge Monitoring Platform 11 Installation Procedure 11 Installation Equipment List 11 Chapter 2: Installing the Power Optimizers 13 Safety 13 Installation Guidelines 13 Step 1: Mounting the Power Optimizers 14 Step 2: Connecting a PV Module to a Power Optimizer 15 Step 3: Connecting Power Optimizers in Strings 15 Step 4: Verifying Proper Power Optimizer Connection 17 Chapter 3: Installing the Primary and Secondary Unit(s) 18 Primary Unit Package Contents 18 Secondary Unit Package Contents 18 Identifying the Units 18 Primary Unit Interface 18 Connection Unit Interface 21 Secondary Unit Interface 22 Mounting  and Connecting the Primary and Secondary Unit(s) 23 Chapter 4: Connecting the AC and Strings to the Connection Unit 28 Grid Connection Guidelines 28 Connecting the AC Grid to the Connection Unit 28 Connecting the AC Grid and Grounding to the Connection Unit 29 Grounding 29 Secondary Grounding 30 Connecting the Strings to the Connection Unit 31 Selecting a Residual Current Device (RCD) 33 Chapter 5: Activating, Commissioning and Configuring the System Using SolarEdge Inverter SetApp 34 Step 1: Activating the Installation 34 Step 2: Commissioning and Configuring the Installation 35 Setting Country and Language 36 Pairing 36 Communication 38 Power Control 40 Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 3

52 Communication Options 53 Ethernet 53 RS485 53 Wi-Fi 53 GSM 53 Communication Connectors 54 Communication Board 55 Primary Unit  Communication Board 55 Connection Unit Communication Board 56 Removing the Connection Unit Cover 56 Creating an Ethernet (LAN) Connection 56 Creating an RS485 Bus Connection 61 RS485 Bus Configuration 64 Verifying the Connection 65 Appendix A: Errors and Troubleshooting 67 Identifying Errors 67 Power Optimizer Troubleshooting 70 Troubleshooting Communication 71 Troubleshooting Ethernet (LAN) Communication 71 Troubleshooting RS485 Communication 71 Additional Troubleshooting 71 Appendix B: Mechanical Specifications 73 Primary Unit and Connection Unit 73 Secondary Unit 73 Appendix C: SafeDC™ 74 Appendix D: External Fan Maintenance and Replacement 75 Fan Maintenance 75 External Fan Replacement 75 Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 4

77 Replacing the Primary Unit 77 Replacing a Secondary Unit 78 Replacing the Connection Unit 78 Removing the Connection Unit 78 Installing a New Connection Unit 79 Connecting the Connection Unit to the Primary Unit 79 Replacing Power Optimizers 80 Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 5 Technical Specifications .................................................................................................................82

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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. It calls attention to a procedure that, if not correctly performed or adhered to, could result in injury or loss of life. Do not proceed beyond a warning note until the indicated conditions are fully understood and met. CAUTION! Denotes a hazard. It calls attention to a procedure that, if not correctly performed or adhered to, could result in damage or destruction of the product. Do not proceed beyond a caution sign until the indicated conditions are fully understood and met. NOTE Denotes additional information about the current subject. IMPORTANT SAFETY FEATURE 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. 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. WARNING Before operating the inverter, ensure that the inverter is grounded properly. WARNING! Opening the inverter and repairing or testing under power must be performed only by qualified service personnel familiar with this inverter. HANDLING AND SAFETY INSTRUCTIONS Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 7

grounded. WARNING! SafeDC complies with IEC60947-3 when installing the system with a worst case SafeDC voltage (under fault conditions) < 120V. The worst case voltage is defined as: Voc,max+ (String Length-1)*1V,where: l Voc,max = Maximum Voc (at lowest temperature) of the PV module in the string (for a string with multiple module models, use the max value) l String Length = number of power optimizers in the string CAUTION! This unit must be operated according to the technical specification datasheet provided with the unit. CAUTION! HEAVY OBJECT. To avoid muscle strain or back injury, use proper lifting techniques, and if required - 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. NOTE A SolarEdge inverter may be installed in a site with a generator, however must not operate at the same time as the generator. Operating an inverter and a generator simultaneously will void the warranty. SolarEdge requires installing a physical or electronic interlock, which will prevent the generator and inverter from operating simultaneously. Interlock procurement, installation, maintenance and support are the responsibility of the installer. Damage to the inverter due to incorrect interlock installation or use of an interlock that is incompatible with the SolarEdge system will render the SolarEdge warranty invalid. NOTE The following warning symbols appear on the inverter warning label: Risk of electric shock Risk of electric shock from energy stored in the capacitor. Do not remove cover until 5 minutes after disconnecting all sources of supply. Hot surface – To reduce the risk of burns, do not touch. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 8 IMPORTANT INVERTER SAFETY INSTRUCTIONS

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. Figure 1: The SolarEdge power harvesting system components SolarEdge Power Optimizer The SolarEdge power optimizers are DC-DC converters connected to PV modules in order to maximize power harvesting by performing independent Maximum Power Point Tracking (MPPT) at the module level. The power optimizers regulate the string voltage at a constant level, regardless of string length and environmental conditions. The power optimizers include a safety voltage function that automatically reduces the output of each power optimizer to 1 Vdc in the following cases:  l During fault conditions  l The power optimizers are disconnected from the inverter  l The inverter ON/OFF switch is turned OFF  l The safety switch on the Connection Unit is turned OFF  l The inverter AC breaker is turned OFF Each power optimizer also transmits module performance data over the DC power line to the inverter. Two types of power optimizers are available:  l Module Add-on power optimizer – connected to one or more modules  l Smart  modules -  the  power optimizer is embedded into a module Chapter 1: Introducingthe SolarEdge Power HarvestingSystem Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 9

The extended power commercial inverter  (referred to as 'inverter' in this manual ) efficiently converts DC power from the modules into AC power that can be fed into the main 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 Internet or Cellular connection). The inverter  is comprised of one Primary Unit with an integrated Connection Unit  with a DC Safety Switch (referred to as 'Connection Unit ' in this manual) for disconnecting the DC power of a SolarEdge system, and of  one or two Secondary Units, depending on the inverter's capacity. The Secondary Unit(s) are connected to the primary unit with AC, DC and communication cables. Each unit operates independently and continues to work in case the others are not operating. You can set up a master- slave configuration, connecting up to 31 additional inverters to one master inverter. Figure 2: Primary Unit with two Secondary Units Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 10 ExtendedPower CommercialInverter

The SolarEdge 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. 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 13  2.  Mounting and Connecting the Primary and Secondary Unit(s), page 23 NOTE It is recommended to connect communication connections (step 6 of this installation) before connecting the AC, for easier access to the communication board.  3.  Connecting the AC and the Strings to the Connection Unit,page 28  4.  Activating and Commissioning the System Using SetApp, page 34  5.  Configuring the  System Using SetApp ,page 38  6.  Setting Up Communication page 52 Installation Equipment List Standard tools can be used during the installation of the SolarEdge system. The following is a recommendation of the equipment needed for installation:  l Allen screwdriver for 5mm screw type for the inverter cover,Connection Unit  cover, and inverter side screws  l Allen screwdriver for M5/M6/M8 screw types  l  17/32  HEX Allen screwdriver for AC stud connector  l SolarEdge supplied level  l Standard flat-head screwdrivers set  l Non-contact voltage detector  l Cordless drill or screwdriver and bits suitable for the surface on which the inverter will be installed. Use of an impact driver is not recommended.  l Appropriate mounting hardware  (for example: stainless bolts, nuts, and washers) for attaching:  o the Primary and Secondary Unit(s) mounting brackets to the mounting surface  o the power optimizers to the racking (not required for smart modules)  l MC4 crimper  l 4xM8 ring terminals and a suitable crimper  l Wire cutters  l Wire strippers  l Voltmeter For installing the communication options, you may also need the following:  l For Ethernet:  o CAT5/6 twisted pair Ethernet cable with RJ45 connector  o If using a CAT5/6 cable spool: RJ45 plug and RJ45 crimper Chapter 1: Introducingthe SolarEdge Power HarvestingSystem Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 11

12 InstallationEquipment List

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! When modifying an existing installation, turn OFF the inverter ON/OFF switch, the Connection Unit and the AC circuit breaker on the main AC distribution panel. WARNING! Input and output connectors are not watertight until mated. Open connectors should be mated to each other or plugged with appropriate watertight caps. CAUTION! Power optimizers are IP68/NEMA6P rated. Choose a mounting location where optimizers will not be submerged in water. CAUTION! This unit must be operated according to the operating specifications provided with the unit. CAUTION! Cutting the power optimizer input or output cable connector is prohibited and will void the warranty. CAUTION! All PV modules must be connected to a power optimizer. 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. CAUTION! Installing a SolarEdge system without ensuring compatibility of the module connectors with the optimizer connectors may be unsafe and could cause functionality problems such as ground faults, resulting in inverter shut down. To ensure mechanical compatibility of the SolarEdge optimizers’ connectors with the PV modules’ connectors to which they are connected, use identical connectors from the same manufacturer and of the same type on both the power optimizers and on the PV modules. 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. Installation Guidelines  l 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. Chapter 2: Installingthe Power Optimizers Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 13

NOTE The images contained herein are for illustrative purposes only and may vary depending on product models. Step 1: Mounting the Power Optimizers For each of the power optimizers1:  1.  Determine the power optimizer mounting location and use the power optimizer mounting brackets to attach the power optimizer to the support structure . 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. 1Not applicable to smart modules. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 14 Step1: Mountingthe Power Optimizers

damage the power optimizer and will void the warranty.  3.  Attach each power optimizer to the rack using M6 (1/4'') stainless steel bolts, nuts and washers or other appropriate mounting hardware.  Apply torque of 9.5 N*m / 7 lb*ft.  4.  Verify that each power optimizer is securely attached to the module support structure.  5.  Record power optimizer serial numbers and locations, as described in Reporting and Monitoring Installation Data on page 44 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:  l Connect the Plus (+) output connector of the module to the Plus (+) input connector of the power optimizer.  l Connect the Minus (-) output connector of the module to the Minus (-) input connector of the power optimizer. Figure 4: Power optimizer connectors 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 optimizer datasheets. Refer to the SolarEdge Site Designer for string length verification. NOTE l Use at least 11 AWG/ 4 mm² DC cables. l The total conductor length of the string (excluding power optimizers’ conductors; including home runs and necessary extensions between optimizers) should not exceed: o 2300 ft./ 700 m from DC+ to DC- of the inverter Chapter 2: Installingthe Power Optimizers Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 15

inverter design rules, each unit should follow the unit design rules as detailed in Technical Specifications on page 1  1.  Connect the Minus (-) output connector of the string’s first power optimizer to the Plus (+) output connector of the string’s second power optimizer.  2.  Connect the rest of the power optimizers in the string in the same manner. Figure 5: Power optimizers connected in series  3.  If you intend to monitor the installation, using the SolarEdge monitoring platform, record the physical location of each power optimizer, as described in Providing Installation Information on page 45. WARNING! Input and output connectors are not watertight until mated. Open connectors should be mated to each other or plugged with appropriate watertight caps. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 16 Step3: ConnectingPower Optimizers inStrings

Connection When a module is connected to a power optimizer, the power optimizer outputs a safe voltage of 1V. Therefore, the total string voltage should equal 1V times the number of power optimizers connected in series in the string. For example, if 10 power optimizers are connected in a string, then 10V should be produced. Make sure the PV modules are exposed to sunlight during this process. The power optimizer will only  turn ON if  the PV module provides at least 2W. In SolarEdge systems, due to the introduction of power optimizers 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: http://www.solaredge.com/files/pdfs/isc_and_voc_in_solaredge_systems_technical_ note.pdf . To verify proper power optimizers connection: Measure the voltage of each string individually before connecting it to the other strings or to the inverter. Verify correct polarity by measuring the string polarity with a voltmeter. Use a voltmeter with at least 0.1V measurement accuracy. NOTE Since the inverter is not yet operating, you may measure the string voltage and verify correct polarity on the DC wires inside the Connection Unit. For troubleshooting power optimizer operation problems, refer to Power Optimizer Troubleshooting  on page 70. Chapter 2: Installingthe Power Optimizers Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 17

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). CAUTION! Do not rest the connectors at the bottom of the units on the ground, as it may damage them. To rest a unit on the ground, lay it on its back. Primary Unit Package Contents  l Primary Unit (comprised of an inverter and Connection Unit) and pre- assembled cables that connect to the Secondary Unit(s)  l Mounting bracket kit  l Two Allen screws for fastening the unit to the mounting bracket  l Quick Installation guide  l For built-in wireless communication: antenna and mounting bracket  l Level, for marking the mounting brackets' positions Secondary Unit Package Contents  l Secondary Unit  l Mounting bracket kit  l Two Allen screws for fastening the unit to the mounting bracket Identifying the Units The stickers on the Primary Unit and on the Connection Unit specify the inverter's   Serial Number and Electrical Ratings. When opening a site in the SolarEdge monitoring platform and when contacting SolarEdge support, provide the inverter's serial number. Primary Unit Interface Figure 6: Primary Unit bottom and side interfaces  l Mounting hole: for securing the unit to the bracket and for connecting an optional secondary grounding cable. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 18 Chapter 3: Installingthe Primary andSecondary Unit(s)

 l Two communication glands, for connection of communication options. Each gland has three openings. Refer to Setting Up Communication   on page 52 for more information.  l ON/OFF/P Switch: Figure 7: ON/OFF/P switch  o ON (1)  - Turning this switch ON (after optimizer pairing) starts the operation of the power optimizers, enables power production and allows the inverter to begin exporting power to the utility grid  o OFF (0) - Turning this switch OFF reduces the power optimizer voltage to a low safety voltage and inhibits exportation of power. When this switch is OFF, the Primary and Secondary Units' control circuitry remains powered up.  o P - Moving and releasing the switch  allows viewing system information via the LEDs and on the SolarEdge SetApp mobile application screen and performing functions: P Position duration Function Comments Switch moved to P for less than 5 seconds, then released. o Displays production information for 5 seconds on the SetApp screen. o Displays error type indications (if exist) for 5 seconds. o Activates the Wi-Fi access point for connecting to the SolarEdge Inverter SetApp While the switch is in P, all LEDs are ON Switch moved to P for more than 5 seconds, then released. Starts pairing LEDs  l LEDs: three LEDs indicate, by color and state (on/ off/ blinking1/ flickering2), different system information, such as errors or performance indications. Generally, the main  LED indications are:  l Blue ON - the inverter is communicating with the monitoring platform  l Green ON - the system is producing  l Green blinking - AC is connected but the system is not producing  l Red ON - system error 1Blinking = Turns ON and OFF for the same duration 2Flickering = Turns ON for 100 mS and turns OFF for 5 seconds Chapter 3: Installingthe Primary andSecondary Unit(s) Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 19

The following table describes system performance information by LED color and ON/OFF/P switch position: Indication ON/ OFF/ P switch position LED color Comment Red Green Blue Percentage of AC Production: 0 - 33 % ON (1) OFF ON OFF This indicates power production as percentage of rated peak AC output power Percentage of AC Production: 33 - 66 % OFF OFF ON Percentage of AC Production: 66 - 100 % OFF ON ON Power optimizers not paired OFF Blinking o S_OK: ON o No S_OK: OFF S_OK :ON- communication with the monitoring platform is established Pairing Blinking Blinking Blinking Wake-up/ Grid Monitoring OFF Blinking Blinking System Producing OFF ON o S_OK: ON o No S_OK: OFF Night mode (no production) OFF Flickering o S_OK: ON o No S_OK: OFF Inverter is OFF (SafeDC) OFF (0) OFF Blinking Inverter is OFF (DC not safe) Blinking Blinking Inverter configuration or reboot ON / P ON ON ON Inverter firmware upgrade ON / P Blinking Blinking Blinking No AC power Any OFF OFF OFF Error ON ON/ OFF/ Blinking/ Flickering ON/ OFF / Blinking/ Flickering Refer to Errors and Troubleshooting on page 67 Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 20 Primary Unit Interface

The Connection Unit is part of the Primary Unit. There are two types of Connection Units, with MC4 connectors (see See Figure 10) or with cable glands for DC connection( see Figure 11 Figure 9: Connection Unit front and side interface  l Safety Switch:  a manually operated safety switch for disconnecting the DC  power of the  SolarEdge system.  l Cables for connection to the Secondary Unit(s):  o Communication cable  o DC Cable  o AC Cable  l DC input:  MC4  connectors / cable glands: for DC+/- connection of the PV installation, there are 3 glands / 6 MC4 connectors for each unit. Each gland has 3 openings to support three strings:  o each opening can support 5-8.8 mm PV cable outer diameter  o each terminal block in the connection unit can support 4-10mm2 PV wire cross section Figure 10: Connection Unit with MC4 Connectors bottom interface for 1 Secondary Unit (left), for 2 Secondary Units (right) Chapter 3: Installingthe Primary andSecondary Unit(s) Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 21

for 1 Secondary Unit (left), for 2 Secondary Units (right)  l AC output: cable gland for connection to the grid, M50 20-38mm diameter  l AC protective earth gland: cable gland for grounding , 9-16 mm diameter  l Communication gland: for connection of  communication options. Refer to Setting Up Communication  on page 52. Secondary Unit Interface Figure 12: Secondary Unit bottom and side interfaces  l The Secondary units connectors are for connection to the Primary Unit:  o DC (MC4) connectors: for connection of the PV installation  o Communication connector: for communication options  o AC connector: for connection of the AC  l Mounting hole: for securing the unit to the bracket and for connecting an optional secondary grounding cable.  l Grounding screw: for connecting an optional secondary grounding cable. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 22 Secondary Unit Interface

Secondary Unit(s) The inverter is typically mounted vertically, and the instructions in this section are applicable for vertical installation. Some SolarEdge  inverters model can be installed horizontally (above 10° tilt) as well as vertically. For information and instructions for horizontal mounting refer to http://www.solaredge.com/sites/default/files/application_note_horizontal_mounting_ of_three_phase_inverters.pdf First mount the Primary Unit then the Secondary Unit(s). Figure 13: Mounting bracket NOTE Make sure the mounting surface or structure can support the weight of the inverter and brackets, and make sure that it spans the width of the mounting brackets. CAUTION! HEAVY OBJECT. To avoid muscle strain or back injury, use proper lifting techniques, and if required - a lifting aid.  1.  Determine the inverter mounting location, on a wall or stud framing .  It is recommended to mount the inverter in a location protected from direct sunlight.  2.  To allow proper heat dissipation, maintain the following minimum clearance areas between the inverter and other objects: NOTE The Primary unit is longer than the Secondary Unit, therefore make sure the mounting location is high enough to fit the Primary Unit and leaves sufficient space for cable entry.  l If installing a single inverter:  o At least 20 cm (8") from the top and bottom of each unit. For the Primary Unit, make sure to leave sufficient clearance for cable entry.  o 3 cm (1.2")  from the right and left of the unit.  l If installing multiple inverters:  o When installing inverters one above of the other, leave at least 40 cm (16") between inverters. When installing the Primary Unit , leave 40 cm (8") between the top of the Primary Unit and the bottom of the Connection Unit.  o When installing inverters side by side: Chapter 3: Installingthe Primary andSecondary Unit(s) Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 23

average high temperature1 is below 25˚C / 77˚F 20 cm / 8" between inverters 3 cm / 1.2" between inverters (if inverters are also installed one above the other, maintain the indoor installation clearance) Locations where the annual average high temperature1 is above 25˚C / 77˚F 40 cm / 16" between inverters  3.  Position the mounting brackets against the wall and mark the required drilling holes locations with the supplied level. The level markings correspond to a distance of 3cm between units.  4.  Drill two holes for each bracket and mount the brackets.  5.  Put in the screws without tightening in order to correct positioning.  6.  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.  7.  Mount the Primary Unit:  l Lift the Primary Unit from its sides.  l 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).  l Insert the supplied screw through the right side of the heat sink and into the bracket 1Annual average high temperature – the average of the 12 monthly average highs, for example: Refer to http://www.weatherbase.com/ to find the value in your location. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 24 Mounting andConnectingthe Primary andSecondary Unit(s)

NOTE If connecting secondary grounding,connect the grounding cable on either side of the chassis, to the upper mounting screw or to the lower grounding screw,before hanging the unit on the bracket, see Connecting the AC Grid to the Connection Unit and Connecting Grounding on page 1.  7.  Mount the Secondary Unit(s):  l There is no specific order for hanging the Secondary Units. When installing a 2 unit inverter, mount the Secondary Unit to the left of the Primary Unit.  l Lift the Secondary Unit(s) from the sides, or hold it at the top and bottom of the unit to lift into place.  l 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).  l Insert one of the supplied screws through the outer side of the heat sink and into the bracket. Tighten the screws with a torque of 4.0N*m / 2.9 lb.*ft.  8.  Secure the Connection Unit to the wall:  l Mark the location of the bracket screw and drill the hole  l Fasten the bracket using a standard bolt  l Verify that the bracket is firmly attached to the mounting surface Figure 15: Connection Unit bracket  9.  Connect the  Connection Unit cables to the Secondary Unit(s) connectors. Chapter 3: Installingthe Primary andSecondary Unit(s) Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 25

NOTE When connecting the AC cable to the left secondary Unit, loop the cable ( see the following figure) to prevent pressure on the gland. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 26 Mounting andConnectingthe Primary andSecondary Unit(s)

Chapter 3: Installingthe Primary andSecondary Unit(s) Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 27

the Connection Unit This section describes how to connect the inverter to the AC grid, and to the PV strings . Inverters of different models might be equipped with different sizes/ types of terminal blocks. Grid Connection Guidelines NOTE In most countries, SolarEdge three phase inverters require neutral connection at all times (only grids with neutral connection are supported). In some countries, the SolarEdge three phase inverters can be connected to delta grids. For more information prior to system installation refer to the Three Phase Inverters for Delta Grids application note, https://www.solaredge.com/sites/default/files/se_three_phase_inverters_for_ delta_grids.pdf. and to Supported Countries application note to confirm compatibility: http://www.solaredge.com/sites/default/files/se_inverters_supported_ countries.pdf; installing without confirmation may void the inverter warranty. For more wiring information refer to the SolarEdge Recommended AC Wiring Application Note, available on the SolarEdge website at http://www.solaredge.com/files/pdfs/application-note-recommended- wiring.pdf. Connecting the AC Grid to the Connection Unit Figure 18: Inside the Connection Unit Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 28 Chapter 4: Connectingthe AC andStrings tothe ConnectionUnit

has no transformer. Grounding (earth ground) of module frames and mounting equipment of the PV array modules is acceptable. NOTE SolarEdge's 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. WARNING! Turn OFF the AC before connecting the AC terminals. If connecting equipment grounding wire, connect it before connecting the AC Line and Neutral wires. NOTE It is recommended to connect communication connections (Setting Up Communication on page 52Setting Up Communication on page 52 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 . Grounding For grounding the Primary unit you can:  l thread a 4 wire AC cable through the AC gland and use an additional wire/cable for PE. -or-  l thread a 5 wire AC cable with a PE (grounding) wire through the AC gland, see the following procedure.  The AC gland supports a cable of 20-38mm diameter, for larger cables use the previous option. To connect AC and ground:  1.  Turn OFF the AC circuit breaker.  2.  Open the Connection Unit cover: Release the six Allen screws and carefully move the cover horizontally before lowering it. 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. Chapter 4: Connectingthe AC andStrings tothe ConnectionUnit Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 29

 4.  Open the AC cable gland and insert the cable through the AC gland. WARNING! Turn OFF the AC before connecting the AC terminals. If connecting equipment grounding wire, connect it before connecting the AC Line and Neutral wires.  5.  If using a separate wire / cable for grounding , insert the additional wire/ cable for grounding through the PE gland.  l Strip the required length of the external and internal cables insulation.  l Open the PE cable gland and insert the cable through the PE gland.  6.  Connect the grounding wire to the grounding terminal block and tighten with a torque  of 15N*m / 12 lb*ft.  7.  Remove the screws from the AC terminal blocks.  8.  Crimp ring terminals on the AC wires. The ring terminals width is maximum 24 mm.  9.  Connect the wires to the terminal blocks with a proper tool according to the labels on the terminals.  10.  Tighten the screws of each terminal with a torque of 2.0 N*M /  18 lb-in Figure 20: Wire connections to terminal block Wire type Connect to terminal Line 1 L1 Line 2 L2 Line 3 L3 Neutral N Secondary Grounding If required, ground the units as described in the following figure using a grounding cable, a grounding screw,two washers, a ring terminal and a serrated washer. You can connect the grounding cable to either side of a unit and to either the mounting hole or grounding screw. You can connect grounding to the Primary Unit and to each of the Secondary Units, as required. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 30 Secondary Grounding

Connecting the Strings to the Connection Unit You can connect systems with multiple DC strings in parallel to the DC input terminals of the Connection Unit. NOTE The DC bus of each unit is separate and not shared for all units. Therefore in addition to following the inverter design rules, each unit should follow the unit design rules as detailed in Technical Specifications.  Inverters may have a different number of pairs of DC input terminals, depending on the inverter power rating. If more  strings are required, they can be connected in parallel using an external combiner box before connecting to the Connection Unit; strings 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:  1.  Strip 5⁄16'' (8 mm) of the DC wire insulation.  2.  Insert the DC cable from the PV installation, into the DC gland on the Connection Unit.  3.  Connect the DC wires to the DC+ and DC- terminal blocks, according to the labels on the terminals. or; connect two wires (DC+ and DC-) per string:  a.  Use a standard flat-blade screwdriver to connect the wires to the spring-clamp terminals. The screwdriver blade should fit freely in the terminal opening. Too large a blade can crack the plastic housing.  b.  Insert the screwdriver and firmly tilt it to press the release mechanism and open the clamp.  c.  Insert the wire into the top opening (see Figure 22).  d.  Remove the screwdriver – the wire is automatically clamped. CAUTION! Ensure that the Plus (+) wire is connected to the + terminal and that the Minus (-) wire is connected to the Minus (-) terminal connector. Chapter 4: Connectingthe AC andStrings tothe ConnectionUnit Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 31

 5.  Close the Connection Unit cover: Attach the switch cover and secure it by tightening the four screws with a torque of 1.2  0.9 ft.*lb. To connect the strings to the Connection Unit with MC4 connectors: Connect the DC connectors of each string to the DC+ and DC- connectors according to the labels on the Connection Unit. Figure 23: Connection Unit with MC4 Connectors Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 32 Connectingthe Strings tothe ConnectionUnit

IMPORTANT SAFETY FEATURE All SolarEdge inverters incorporate a certified internal Residual Current Device (RCD) in order to protect against possible electrocution and fire hazard in case of a malfunction in the PV array, cables or inverter. There are 2 trip thresholds for the RCD as required for certification (DIN VDE 0126-1-1). The default value for electrocution protection is 30 mA per unit , and for slow rising current is 300 mA per unit. If an external RCD is required by local regulations, check which type of RCD is required for the relevant electric code. Install the residual-current device (RCD) in accordance with the applicable local standards and directives. SolarEdge recommends using a type A RCD. When required by local regulations, the use of an RCD type B is permitted. Use at least 600mA RCD for a 2 unit inverter and at least 900mA RCD for a 3 unit inverter. NOTE For multiple inverters, an RCD per inverter is required. You have completed installing the system, proceed to the next chapter to activate and commission it, then to Setting Up Communication   on page 52, to  set up required communication options and to set up master slave configurations, if required. Chapter 4: Connectingthe AC andStrings tothe ConnectionUnit Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 33

Configuring the System Using SolarEdge Inverter SetApp If applicable, you can connect communication options at this stage, as described inSetting Up Communication   on page 52. Once all connections are made, the system should be activated and commissioned using the SolarEdge Inverter SetApp mobile application. You can download the app from the iTunes and Google Play app stores  prior to reaching the site. Internet connection is required for the download and for the one-time registration, however not required for using the SetApp. 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 log-in to SetApp on your mobile device. Internet connection is required for the download and for the one-time registration. To activate the installation:  1.  Turn ON the AC circuit breaker on the main distribution panel.  2.  Move the ON/ OFF/ P switch to the ON position.  3.  Move the Connection Unit DC switch to the ON position.  4.  Open SetApp and follow the instructions on the screen (scan the inverter bar-code; move the ON/OFF/P switch to P position and release within 5 sec. back to ON (1) position). SetApp creates a Wi- Fi connection, upgrades the inverter CPU firmware and activates the inverter.  5.  When the activation is complete, do one of the following:  l Select Activate Another Inverter to continue activating additional inverters  l Select Start Commissioning  for pairing and other system configuration. The Commissioning screen is displayed. Refer to the next section for more information. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 34 Chapter 5: Activating, CommissioningandConfiguringthe SystemUsingSolarEdge

Installation This section describes how to use the SetApp menus for commissioning and configuring the inverter settings. Menus may vary in your application depending on your system type. To access the Commissioning screen: Do one of the following:  l During first time installation: Upon Activation completion, in the SetApp, tap Start Commissioning. The main Commissioning menu screen is displayed: Commissioning Count r y  and Lang uag e                       › Pair ing                                             › Communicat ion                                 › Dev ice Manag er                                › Pow er  Cont r ol                                  › Maint enance                                    › Infor mat ion                                      › S it e Config ur at ion                            › S t at us                                             ›  l If the inverter has already been activated and commissioned:  a.  If not already ON - turn ON AC to the inverter by turning ON the circuit breaker on the main distribution panel.  b.  If not already ON - move the Connection Unit switch to the ON position.  c.  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). The mobile device creates a Wi-Fi connection with the inverter and displays the inverter main Status screen. Status Chapter 5: Activating, CommissioningandConfiguringthe SystemUsingSolarEdge Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 35

Optimizers Connected S_OK Server Connected Status Production Switch ON CosPhi 1.00 Limit No Limit Country Netherlands Voltage 850 Vdc Temp 156 F Fan OK Commissioning  d.  Tap Commissioning at the bottom of the screen. The main Commissioning menu screen is displayed. In the main  menus, tap the menu red arrows (›) to perform the system commissioning or configuration task. Tap the Back  arrow (‹) to return to the previous menu. The next sections provide more information about configuration options (in addition to Country and Language and Pairing, described in Step 2: Commissioning and Configuring the Installation on page 35). Setting Country and Language  1.  From the Commissioning screen select Country and Language . Country and Language Count r y Germ any q Lang uag e Deut sch (Germ any ) q  2.  From the Country drop-down list, select the required country setting. WARNING! The inverter must be configured to the proper setting in order to ensure that it complies with the country grid code and functions properly with the country grids.  1.  From the Language drop-down list, select the language.  2.  Tap OK. Pairing Once all connections are made, all the power optimizers must be logically paired to their inverter. The power optimizers do not start producing power until they are paired. This step describes how to assign each inverter to the power optimizers from which it will produce power. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 36 SettingCountry andLanguage

 pair ing  pr ocess S t art 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. WARNING! When you turn ON the inverter ON/OFF/P switch, the DC cables carry a high voltage and the power optimizers no longer output a safe 1V output. When the inverter starts converting power after the initial connection to the AC, the inverter enters Wakeup mode until its working voltage is reached. This mode is indicated by the flickering green inverter LED. When working voltage is reached, the inverter enters Production mode and produces power. The steadily lit green inverter LED indicates this mode.  4.  Tap OK to return to the main menu. Chapter 5: Activating, CommissioningandConfiguringthe SystemUsingSolarEdge Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 37

 l The communication option used by  the inverter to communicate with the SolarEdge monitoring platform  l The communication option used to communicate between multiple  SolarEdge devices or other external non-SolarEdge devices, such as electricity meters or loggers. Communication Server LAN › LAN DHCP › RS485-1 SolarEdge Slave › RS485-2 Multi -Device (Modbus) › ZigBee Home Automation Master › Wi-Fi SEDG-7E129A09-33 › RS232 SolarEdge GSM Cellular N/A › GPIO RRCR › Modbus TCP port Disable › Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 38 Communication

devices and the SolarEdge monitoring platform. The default is LAN. Refer to Setting Up Communication on page 52 for a full description of these communication options. NOTE The Server menu shows only the communication options installed in the inverter. Server LAN S_OK ü Cellular Wi-Fi RS485-1 SolarEdge Slave ZigBee Slave 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/solaredge-communication_options_ application_note_v2_250_and_above.pdf. Chapter 5: Activating, CommissioningandConfiguringthe SystemUsingSolarEdge Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 39

40 Power Control

the date and time are set automatically and only time zone should be set.  l Temperature: Set the temperature units to use: Celsius or Fahrenheit  l Reset Counters: Resets the accumulated energy counters that are sent to the SolarEdge monitoring platform  l Factory Reset: Performs a general reset to the  default device settings.  l Arc Fault Circuit Interrupter (AFCI): Enables or disables production interruption in case of arc-fault, sets the reconnection mode, and enables or disables manual AFCI self-test. Refer to https://www.solaredge.com/sites/default/files/arc_fault_detection_ application_note.pdf .  l Firmware Upgrade: Perform a software upgrade.  l Load / Save Configuration: Enables saving or loading  system parameters from one inverter to another. Chapter 5: Activating, CommissioningandConfiguringthe SystemUsingSolarEdge Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 41

42 Maintenance

 l Serial Number - The inverter serial number as appears on the enclosure sticker  l Hardware IDs: Displays the following HW serial numbers (if exist, and connected to the inverter):  o This inverter:  the inverter's ID  o Meter # : Modbus meter ID (up to 3 meters can be connected)  o ZB:  ZigBee Card MAC address  o WiFi: Wi-Fi MAC address  l Error Log: Displays the last five errors, and enables resetting (clearing) the log.  l Warning Log: Displays  the last five  warnings, and enables resetting (clearing) the log. Chapter 5: Activating, CommissioningandConfiguringthe SystemUsingSolarEdge Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 43

Commissioning  1.  Select Information and verify that the correct firmware versions are installed on each inverter.  2.  Select Status and verify that inverter is operating and producing power (see also Viewing System Status on page 46).  3.  Verify that the number of paired optimizers is the same as the number of physically installed power optimizers.  4.  Verify that additional configurations were properly set by viewing the relevant Status screens.  5.  Verify that the green inverter LED is steadily lit. Your SolarEdge power harvesting system is now operational. Reporting and Monitoring Installation Data NOTE This step requires connecting one of the communication options. Refer to Setting Up Communication on page 52. The SolarEdge Monitoring System The SolarEdge cloud-based monitoring platform  enables accessing SolarEdge site information, including up-to-date information viewed in a physical or logical view. The monitoring platform is described in detail in the SolarEdge Monitoring Platform User Guide, available on the SolarEdge website at http://www.solaredge.com/files/pdfs/solaredge-monitoring-platform-user-guide.pdf. The SolarEdge monitoring platform can display logical and physical layouts of the installed system, as follows:  l Logical Layout: Shows a schematic logical layout of the components in the system, such as: inverters, strings and modules, as well as their electrical connectivity. This view enables you to see which modules are connected in each string, which strings are connected to each inverter, and so on.  l Physical Layout: Shows a schematic physical layout of the components in the system, such as: inverters, strings and modules, as well as their electrical connectivity. This view enables a bird’s eye view of the actual location of a system component. Using the platform, you can:  l View the latest performance of specific components.  l Find under-performing components, such as modules, by comparing their performance to that of other components of the same type.  l Pinpoint the location of alerted components using the physical layout.  l See how components are connected to each other.  l Pair power optimizers remotely. To display a logical layout, insert the inverter  serial number in the new site created in the application. 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. To generate a physical mapping, use either the Site Mapper application or the physical layout editor in the monitoring platform. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 44 Step3: VerifyingProper ActivationandCommissioning

Use one of the following methods to connect your PV system to the SolarEdge cloud-based monitoring platform (monitoring platform). Site Mapper Application Android Use the SolarEdge Site Mapper smart-phone application  to scan the power optimizer and inverter 2D bar- codes, and map the system physical layout in the SolarEdge monitoring platform.This application is integrated with the SolarEdge monitoring platform and enables:  l Simple on-site registration of new systems.  l Creating, editing and verifying system physical layout.  l Scanning and assigning the power optimizer serial number to the correct location in the system physical layout. For detailed information, refer to the SolarEdge Site Mapper demo movies:  l Creating new sites using the SolarEdge Site Mapper mobile application  l Mapping power optimizers using the SolarEdge Site Mapper mobile application iPhone Use the SolarEdge Site Mapper smartphone application to scan the power optimizer and inverter 2D bar- codes. This application creates an XML file that can be uploaded to the SolarEdge monitoring platform during site registration. The SolarEdge Site Mapper can be downloaded from the application stores. For detailed information, refer to the SolarEdge Site Mapper Software Guide or to the Site Mapper demo movie, available on the SolarEdge website at http://www.solaredge.com/groups/installer-tools/site-mapper. Chapter 5: Activating, CommissioningandConfiguringthe SystemUsingSolarEdge Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 45

Create the site in the monitoring platform using the registration form available at https://monitoring.solaredge.com/solaredge-web/p/login. Fill out all required information in the form, which includes information about your installation, as well as details about its logical and physical mapping. Paper Template Fill out the Physical Layout Template (downloadable from the SolarEdge site) using the detachable 2D barcode stickers on each power optimizer. Once the form is completed, scan it and upload the scanned file to the SolarEdge monitoring platform during site registration. For an example paper template, refer to http://www.solaredge.com/files/pdfs/physical-layout-template.pdf. Viewing System Status During normal operation, the Status screen displays all the inverter settings and operation status. Scrolling down displays the values one after the other, as described in the following sections. The LED indication provides  more information about system performance; Refer to LEDs on page 1LEDs on page 19. To access the Status screen: Do one of the following:  l During first time Commissioning and configuration: From the Commissioning menu select Status. The main inverter Status screen is displayed (see below)  l If the inverter has already been activated and commissioned - 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). The mobile device creates a Wi-Fi connection with the inverter and displays the inverter main Status screen. A red or orange icon (for example: ) may appear at the top left corner of a status cell, indicating an error. The color indicates error severity (red is top severity). The error description or information appears on the screen. Tap the error line for more information and troubleshooting instructions, and refer to Errors and Troubleshooting on page 67. A gray clock icon ( ) may appear at the top left corner of a status cell, indicating a temporary status, such as a connection process. When the process is complete, the icon disappears and a constant status message is displayed. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 46 CreatingaSite inthe SolarEdge MonitoringPlatform

Status Inverter SN 07318000C Power 100 kW Voltage 277 Vac Frequency 60.9 Hz P_OK: 138 of 141 Optimizers Connected S_OK Server Connected Status Production Switch OFF CosPhi 1.00 Limit No Limit Country Netherlands Voltage 850 Vdc Temp 20 C Fan OK Switch Off. Production disabled › Commissioning  l Inverter: The inverter serial number  l Power: The AC output power  l Voltage (Vac): The AC output voltage  l Frequency: The AC output frequency  l P_OK: xxx of yyy: There is a connection to the power optimizers and at least one power optimizer is sending monitoring data. XXX is the number of power optimizers for which telemetries have been received in the last two hours. YYY is the number of paired power optimizers identified during the most recent pairing process. If XXX and YYY are not equal, there may be a problem in one or more power optimizers.  l S_OK: The connection to the SolarEdge monitoring platform is successful (appears only if the inverter is connected to the monitoring platform).  l Status: The inverter operation status: Off, Not Paired, Night Mode, Error, Pairing, or Production  l Switch: Indicates the position of the inverter ON/OFF/P switch: On, Off, or P position.  l CosPhi: Indicates the ratio between active and reactive power.A negative value indicates a lagging CosPhi. For more information, refer to the Power Control Application Note, available on the SolarEdge website at http://www.solaredge.com/files/pdfs/application_note_ power_control_configuration.pdf.  l Limit: The inverter maximum output power  l Country: The selected country and grid setting  l Voltage (Vdc): The DC input voltage  l Temp (°C or °F): The inverter heat sink temperature Chapter 5: Activating, CommissioningandConfiguringthe SystemUsingSolarEdge Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 47

The Multiple Inverters status screen shows the status of all inverters connected to a master inverter in a chain (bus). The master inverter is displayed first, and the connected inverters (slaves) appear one after the other when scrolling. For inverters with two secondary units, the status of secondary units is displayed on the screen. If a secondary unit is not operating, its column is grayed-out. Status Multi-inverters Production 1.00 MW Limit 1.00 MW Inverters 10/10 Inverter SN 07318000C Power 100 kW Voltage 277 Vac Frequency 60.9 Hz P_OK: 141 0f 141 Optimizers Connected S_OK Server Connected Status Production Switch OFF CosPhi 1.00 Limit Export Country ITA Inverter Units Secondary 1 N/C Voltage N/A P_OK N/A Temperature N/A Fan N/A Primary SN 07318000C Voltage 850 Vdc P_OK 47 0f 47 Temperature 156 F Fan OK Secondary 2 SN 07318000E Voltage 850 Vdc P_OK 47 0f 47 Temperature 156 F Fan OK Switch Off. Production disabled › Commissioning  l Site status:  o Production: The AC output power Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 48 Multiple Inverters Status

Cellular N/A Wi-Fi NC ZigBee NC For each communication option, one of the following statuses is displayed:  l Connected: The inverter established a successful connection and communication with the specified server port/device  l NC: Not Connected. Refer to Troubleshooting Communication on page 71  l S_OK: The connection to the SolarEdge monitoring platform is successful (should appear only if the inverter is connected to the server)  l N/A : Not Applicable  l x of y: Number of devices connected out of all devices  l Temporarily displayed (with a clock sign):  o Initializing communication  o Connecting to a network  o Connecting to SolarEdge servers  l Error message (with the  sign). Refer to Troubleshooting Communication on page 71. Chapter 5: Activating, CommissioningandConfiguringthe SystemUsingSolarEdge Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 49

Displays the total energy produced during the last day, month, year and since inverter installation. Inverter Energy Today 45 kWh This Month 1.14 MWh This Year 13.68 MWh Total: 41.03 MWh  l Today: since midnight  l This Month: since 1st of the current month  l This Year: since January 1st  l Total (Wh): The inverter total energy. If an external meter is installed, the value displayed in this line depends on the meter type connected to the inverter and its location:  o If a bidirectional meter is connected at the consumption point, this value is the consumed energy.  o If the meter is installed at the production point, this value is the energy produced by the site.  o If the meter is installed at the grid connection point, this value is the energy exported to the grid. Meter Status Meters Production – RS485-2 Modbus ID #2 Status: OK Power: 7.60kW, Energy: 13.68MWh Export – GPIO S0 meter 1000 pulses per kWh Power: 7.60kW, Energy: 13.68MWh  l Type and function: Displays the meter functionality (Production, Export, Import, Export+Import)  l Status: Displays OK if the meter is communicating with the inverter  l : If there is a meter error, it is displayed in this line.  l Power: Depending on the meter type connected to the inverter, this line displays the exported or imported power Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 50 Inverter Energy Status

Chapter 5: Activating, CommissioningandConfiguringthe SystemUsingSolarEdge Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 51

The inverter sends the following information to the monitoring platform:  l Power optimizer information received via the DC power lines (the PV output circuit)  l Inverter information  l Information of any other connected devices This chapter describes setting up communication between:  l the inverter and the monitoring platform through the Internet (wired/ wireless), or through a cellular connection  l multiple inverters  for a master/slave configuration Communication setup is not required for power harvesting, however it is needed for using the SolarEdge monitoring platform. NOTE It is recommended to connect communication connections before connecting the AC, for easier access to the communication board. CAUTION! When connecting the communication cables, make sure that the ON/OFF/P switch at the bottom of the inverter is turned OFF, and the AC is turned OFF. When configuring the communication parameters, make sure that the ON/OFF/P switch is in P position, and the AC is turned ON. When connecting the communication cables, make sure that the ON/OFF/P switch on the Connection Unit is turned OFF, and the AC is turned OFF. When configuring the communication parameters, make sure that the ON/OFF/P switch on the Connection Unit is OFF, and the AC is turned ON. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 52 Chapter 6: SettingUpCommunication

Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 53

4.5-7 mm Cellular one small opening 2-4 mm external antenna cable 2 three large openings 2.5-5 mm power reduction and RS485-2 Connection Unit 1 three openings Ethernet connection (CAT5/6)and RS485 -1 Figure 24: Primary Unit Figure 25: Connection Unit bottom Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 54 CommunicationConnectors

Open the Primary Unit  cover to access the communication board to:  l GSM- connect a GSM modem. See Communication Options on page 53.  l RS485-1 - connected to the Connection Unit communication board. For connecting multiple inverters over the same bus, connect RS485 wires to the terminal blocks  on the Connection Unit Communication Board. For more information see, Connection Unit Communication Board  on page 56  l RS485-2 - connect  a non-SolarEdge device,  such as a meter or a third party data logger, to the RS485-2 connector. Every pair of in and out wires are connected to the same pin.  l Power Reduction Interface (PRI) - connect  a power reduction device. See application_note_power_ control_configuration.pdf Figure 26: Primary Unit communication board Chapter 6: SettingUpCommunication Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 55

Open the Connection Unit cover to access the communication board to:  l connect a standard RJ45 connector for Ethernet.  l 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. Figure 27: Connection Unit Communication board Removing the Connection Unit Cover If the Connection Unit is not already removed, remove it as described in the following section. To remove the Connection Unit cover:  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.  2.  Disconnect the AC to the inverter by turning OFF the circuit breakers on the distribution panel.  3.  Open the Connection Unit  cover: a. Release the  six Allen screws of the cover. b. Tilt the top of the cover towards you. c. Slide the cover down and remove it. 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 Ethernet (LAN) Connection This communication option enables using an Ethernet connection to connect the inverter  to the monitoring platform through a LAN. Ethernet cable specifications:  l Cable type – a shielded Ethernet cable (Cat5/5E STP) may be used  l Maximum distance between the inverter and the router – 100 m/ 330 ft. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 56 ConnectionUnit CommunicationBoard

voltage surges by lightning, it is recommend to use external surge protection devices. For details refer to: http://www.solaredge.com/files/pdfs/lightning_surge_ protection.pdf. Figure 28: Example of Ethernet 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.  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.  Remove the plastic seal from the large opening that has a cut in the rubber fitting.  4.  Push the cable into the cut opening of the rubber fitting. Figure 29: Communication gland and rubber fitting CAT5/5E STP cables have eight wires (four twisted pairs), as shown in the diagram below. Wire colors may differ from one cable to another. You can use either wiring standard, as long as both sides of the cable have the same pin-out and color-coding. Chapter 6: SettingUpCommunication Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 57

Wire Color1 10Base-T Signal 100Base-TX Signal T568B T568A 1 White/Orange White/Green Transmit+ 2 Orange Green Transmit- 3 White/Green White/Orange Receive+ 4 Blue Blue Reserved 5 White/Blue White/Blue Reserved 6 Green Orange Received- 7 White/Brown White/Brown Reserved 8 Brown Brown Reserved Figure 30: 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.  b.  Remove the cable’s external insulation using a crimping tool or cable cutter and expose eight wires.  c.  Insert the eight wires into an RJ45 connector, as described Figure 30.  d.  Use a crimping tool to crimp the connector.  e.  Connect the Ethernet connector to the RJ45 port on the communication board as shown in Figure 30. Figure 31: 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. 1The connection does not support RX/TX polarity change. Supporting crossover Ethernet cables depends on the switch capabilities. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 58 CreatinganEthernet (LAN) Connection

the monitoring platform through a LAN refer toTroubleshooting Communication on page 71. Chapter 6: SettingUpCommunication Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 59

over is removed.  d.  Use the SolarEdge SetApp to access the Commissioning main menu screen as described in Communication on page 38.  e.  From the main menu tap Communication. The Communication screen is displayed: Communication Server LAN › LAN DHCP › RS485-1 SolarEdge Slave › RS485-2 Multi -Device (Modbus) › ZigBee Home Automation Master › Wi-Fi SEDG-7E129A09-33 › RS232 SolarEdge GSM Cellular N/A › GPIO RRCR › Modbus TCP port Disable › Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 60 CreatinganEthernet (LAN) Connection

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: l Destination Address: prod.solaredge.com l Modbus TCP Port: 22222 (for incoming and outgoing data) Creating an RS485 Bus Connection The RS485 option enables creating a bus of connected inverters, consisting of up to 31 slave inverters and 1 master inverter. Using this option, inverters are connected to each other in a bus (chain) via their RS485 connectors, thus allowing to connect only the master inverter to the monitoring platform. The first and last inverters in the chain must be terminated as described in RS485 Bus Configuration on page 64 RS485 wiring specifications:  l Cable type: Min. 3-wire shielded twisted pair (a shielded Ethernet cable (Cat5/5E STP) may be used)  l Wire cross-section : 0.2- 1 mm²/ 24-18 AWG  l Maximum distance between first and last devices: 1 km /3300 ft. The following sections describe how to physically connect the RS485 bus and how to configure the bus. Chapter 6: SettingUpCommunication Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 61

   1.  Open the communication gland. CAUTION! The gland includes a rubber waterproof fitting, which should be used to ensure proper sealing.  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.  Remove the seal from one of the openings in the communication gland and insert the wire through the opening.  4.  Pull out both 3 -pin RS485  terminal blocks, as shown below: Figure 32: RS485 connectors and termination switch Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 62 CreatinganRS485Bus Connection

 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 34. You can use any color wire for each of the A, B and G connections, as long as the same color wire is used for all A pins, the same color for all B pins and the same color for all G pins.  7.  Connect all B, A and G pins in all inverters. The following figure shows this connection schema: Figure 34: Connecting the inverters on a bus  8.  Tighten the terminal blocks screws.  9.  Check that the wires are fully inserted and cannot be pulled out easily.  10.  Push the RS485 terminal blocks firmly all the way into the connectors on the communication board, see Figure 32.  11.  Terminate the first and last inverters on the bus by moving the termination switch to ON (left position). The other inverters on the bus should have the termination switch OFF (right position). Chapter 6: SettingUpCommunication Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 63

To connect to the monitoring platform:  1.  Designate a single inverter as the connection point between the RS485 bus and the SolarEdge monitoring platform. This inverter will serve as the master inverter.  2.  Connect the master to the SolarEdge monitoring platform via the LAN option (refer to Creating an Ethernet (LAN) Connection on page 56) or any of the other options. To configure the RS485 bus: All inverters are configured by default as slaves. To configure the master:  1.  Verify the ON/OFF/P switch is OFF.  2.  Verify the AC is on.  3.  Turn ON the Connection Unit.  4.  Use SetApp to access the Commissioning main menu screen as described in Communication on page 38.  5.  From the main menu tap Communication. The Communication screen is displayed: Communication Server LAN › LAN DHCP › RS485-1 SolarEdge Slave › RS485-2 Multi -Device (Modbus) › ZigBee Home Automation Master › Wi-Fi SEDG-7E129A09-33 › RS232 SolarEdge GSM Cellular N/A › GPIO RRCR › Modbus TCP port Disable › Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 64 RS485Bus Configuration

 l RS485-1 è Slave Detect The system starts automatic detection of the SolarEdge slave inverters connected to the master inverter. The inverter should report the correct number of slaves. If it does not, verify the connections and terminations. RS485-1 Protocol SolarEdge (Master) › Device ID 1 Slave Detect 3 Slaves › Long Slave Detect 3 Slaves › Slave List 3 Slaves ›  7.  To check the slave IDs and last communication time, select RS485-1 è Slave List.  8.  Verify the connection of the master to the SolarEdge monitoring platform, as described in the next section. 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.  Access the Status screen:  a.  If not already ON - turn ON AC to the inverter by turning ON the circuit breaker on the main distribution panel.  b.  If not already ON - move the Connection Unit switch to the ON position.  c.  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). The mobile device creates a Wi-Fi connection with the inverter and displays the inverter main Status screen. Chapter 6: SettingUpCommunication Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 65

Status Inverter SN 07318000C Power 100 kW Voltage 277 Vac Frequency 60.9 Hz P_OK: 138 of 141 Optimizers Connected S_OK Server Connected Status Production Switch ON CosPhi 1.00 Limit No Limit Country Netherlands Voltage 850 Vdc Temp 156 F Fan OK Commissioning  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 49. Communication LAN Connected RS485-1 SE Slave NC RS485-2 Modbus 2 of 2 Cellular N/A Wi-Fi NC ZigBee NC Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 66 Verifyingthe Connection

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 SolarEdge SetApp, errors are displayed with codes. For more information on the codes displayed for error and warning messages, refer to http://www.solaredge.com/sites/default/files/se-inverter-installation-guide-error- codes.pdf. To identify the error types, use the methods described below. To identify the error type using the inverter LEDs:  1.  Move the ON/OFF/P switch to P position for less than 5 seconds and release it.  2.  Observe the LED lights and use the following table to identity the error type Error type LED color and state Red Green Blue Arc detected ON OFF OFF Isolation or RCD problem Blinking OFF OFF Grid error OFF ON OFF High temperature OFF Blinking OFF Pairing failed OFF OFF ON Other issue OFF OFF Blinking To identify the error type using the monitoring platform:  1.  Open the site dashboard and click the Layout icon. Appendix A: Errors andTroubleshooting Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 67

 3.  Click the Errors tab. The  list is displayed. Figure 36: Inverter details - Error list To identify the error type using SetApp:  1.  Access the Status screen as described in Viewing System Status on page 46.  2.  Check for errors indicated by a  red or orange icon (for example: ) . The color indicates error severity ( red is higher severity). Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 68 IdentifyingErrors

Optimizers Connected S_OK Server Connected Status Production Switch OFF CosPhi 1.00 Limit No Limit Country USA2 Voltage 850 Vdc Temp 156 F Fan OK Error 18X37: V-Line Max. › Switch Off. Production disabled ›  l Commissioning Appendix A: Errors andTroubleshooting Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 69

Problem Possible cause and troubleshooting Pairing failed Power optimizers are shaded. If you connected the inverter to the SolarEdge 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. String voltage is 0V Power optimizer(s) output is disconnected. Connect all power optimizer outputs. String voltage not 0V but lower than number of optimizers Power optimizer(s) not connected in the string. Connect all power optimizers Module(s) not connected properly to power optimizer inputs (not applicable to smart modules). Connect the modules to the optimizer inputs String reverse polarity. Check string polarity using a voltmeter and correct if needed. String voltage is higher than number of optimizers WARNING! If the measured voltage is too high, the installation may not have a safe low voltage. PROCEED WITH CARE! A deviation of ±1% per string is reasonable. 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 smart modules). Verify that only power optimizers are connected in the string and that no module outputs are connected without a power optimizer. If the problem persists, proceed to the next step. Power optimizer(s) malfunction. o Disconnect the wires connecting the power optimizers in the string. o Measure the output voltage of each power optimizer to locate the power optimizer that does not output 1V safety voltage. If a malfunctioning power optimizer is located, check its connections, polarity, module, and voltage. o 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. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 70 Power Optimizer Troubleshooting

The possible errors and their troubleshooting are detailed in the following table: Error Message Cause and Troubleshooting LAN cable disconnected Physical connection fault. Check the cable pin-out assignment and cable connection. Refer to Creating an Ethernet (LAN) Connection on page 56. No DHCP IP settings issue. Check the router and inverter configuration. Consult your network IT. Configure Static IP or set to DHCP Gateway not responding Ping to router failed. Check the physical connection to the switch/ router. Check that the link LED at the router /switch is lit (indicating phy-link). If OK - contact your network IT, otherwise replace the cable or change it from cross to straight connection. No Internet connection Ping to google.com failed. Connect a laptop and check for internet connection. If internet access is unavailable, contact your IT admin or your internet provider. For Wi-Fi networks, ensure that user-name and password are as defined in the internet provider AP/ router. No connection to SolarEdge servers Ping or connection to SolarEdge server failed. Check the SolarEdge server address, under LAN Conf sub- menu: Address: prod.solaredge.com Port: 22222 Check with your network administrator whether a firewall or another device is blocking transmission. Troubleshooting RS485 Communication  l If the message RS485 Master Not Found appears in the Status screen, check the connections to the master device and fix if required.  l If after slave detection the number of slaves displayed for the master under RS485-X Conf è Slave Detect is lower than the actual number of slaves, use one of the following methods to identify missing slaves and troubleshoot connectivity problems:  o Use the Long slave Detect to retry connecting to slaves  o Analyze the slave list to check for missing slaves, and check their connection Refer to  https://www.solaredge.com/sites/default/files/troubleshooting_ undetected_RS485_devices.pdf 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. Appendix A: Errors andTroubleshooting Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 71

72 AdditionalTroubleshooting

The following figures provide dimensions of the Primary Unit, Connection Unit and Secondary Unit. Primary Unit and Connection Unit Figure 37: Primary Unit and Connection Unit - front, side and rear views Secondary Unit Figure 38: Secondary Unit - front, side and rear views Appendix B: MechanicalSpecifications Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 73

When AC supply to the inverter is shut off (by shutting off the AC breaker at the site), or when the inverter ON/OFF/P switch is turned to OFF, the DC voltage drops to a safe voltage of 1V per 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:  l IEC 60947-3:1999 + Corrigendum: 1999 + A1:2001 + Corrigendum 1:2001 + A2:2005;  l DIN EN 60947-3  l VDE 0660-107:2006-03  l IEC 60364-7-712:2002-05  l DIN VDE 0100-712:2006-06. In compliance with these standards, the disconnection mechanism operates as follows:  1.  Turn the inverter ON/OFF/P switch, located at the bottom of the inverter, to OFF, or disconnect the AC by shutting off the AC breaker at the site. The DC voltage displayed on the inverter LCD begins to decrease. If the AC breaker was shut off, the LCD does not display. In this case, wait five minutes.  2.  When the DC voltage reaches a safe voltage, the PV connectors at the input to the inverter can be disconnected. A galvanic separation then exists between the PV array and the inverter. WARNING! SafeDC complies with IEC60947-3 when installing the system with a worst case SafeDC voltage (under fault conditions) < 120V. The worst case voltage is defined as: Voc,max+ (String Length-1)*1V,where: l Voc,max = Maximum Voc (at lowest temperature) of the PV module in the string (for a string with multiple module models, use the max value) l String Length = number of power optimizers in the string Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 74 Appendix C: SafeDC™

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. Figure 39: Primary Unit (left) and Secondary Unit (right) external fans Fan Maintenance At least once a year, open the fan screen and clean the accumulated dust using a brush. If you receive a Not Working Fan Status notification via the SetApp replace the fan as described in the following section. External Fan Replacement  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.  2.  Disconnect the AC to the inverter by turning OFF the circuit breakers on the distribution panel.  3.  Use a standard screwdriver to unfasten the single screw of the fan cover and open the fan door. Figure 40: Fan door open  4.  Disconnect the fan connector and remove the fan. Figure 41: Fan connector Appendix D: ExternalFanMaintenance andReplacement Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 75

76 ExternalFanReplacement

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.  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. WARNING! If you cannot see the LEDs, or you cannot connect to the Primary Unit management console, or if the red LED light is on indicating a malfunction, wait five minutes for the input capacitors of the inverter to discharge.  2.  Disconnect the AC to the inverter by turning OFF the circuit breakers on the distribution panel.  3.  For a 3-unit inverter first disconnect and remove the Secondary Unit on the right.  4.  Open the Primary Unit cover: a. Release the  six Allen screws of the cover. b. Tilt the top of the cover towards you. c. Slide the cover down and remove it. 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.  5.  Disconnect all DC, AC wires and the communication connectors  from the Primary Unit. Figure 42: Primary Unit interface  6.  Unscrew the two conduit nuts in the Primary Unit securing it to the Connection Unit. Figure 43: Conduit nuts Appendix E: ReplacingSystemComponents Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 77

isolate any exposed wires.  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.  Connect the DC, AC wires and the communication connectors to the Primary Unit.  10.  For a 3 unit inverter reconnect the AC, DC and comm cables from the Connection Unit to the right Secondary Unit.  11.  Close the Primary Unit cover.  12.  Perform the commissioning steps as described in Activating, Commissioning and Configuring the System Using SolarEdge Inverter SetApp  on page 34.  13.  In the monitoring platform, use the Replace button  in the logical layout tab (in site Admin). Replacing a Secondary 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. WARNING! If you cannot see Primary Unit LEDs or you cannot connect to the Primary Unit, or if the red LED light is on indicating a malfunction , wait five minutes for the input capacitors of the inverter to discharge.  2.  Disconnect all the connectors on the bottom of the Secondary Unit.  3.  Remove the screw securing the Secondary Unit to the mounting bracket and remove the Secondary Unit from the mounting bracket.  4.  Place the new Secondary Unit on the mounting bracket.  5.  Insert one of the supplied screws through the outer side of the heat sink and into the bracket.  6.  Perform pairing as described in Activating, Commissioning and Configuring the System Using SolarEdge Inverter SetApp  on page 34. 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. WARNING! If you cannot see Primary Unit LEDs or you cannot connect to the Primary Unit, or if the red LED light is on indicating a malfunction, wait five minutes for the input capacitors of the inverter to discharge.  2.  Disconnect the AC to the inverter by turning OFF the circuit breakers on the distribution panel. Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 78 ReplacingaSecondary Unit

responsible for any components damaged as a result of incautious cover removal.  4.  Disconnect the Secondary Unit(s) from the Connection Unit .  5.  Disconnect the communication connector from the Primary Unit communication board.  6.  Unscrew the two conduit nuts in the Primary Unit securing the Connection Unit  to it, see Figure 43.  7.  Open the Connection Unit cover and disconnect the DC, AC and communication wires.  8.  Release the Connection Unit bracket from the wall.  9.  Carefully remove the Connection Unit with its mounting bracket  from the wall. Installing a New Connection Unit  1.  Position the new Connection Unit below the inverter and from the inside of the Primary Unit grab the AC and DC wires extending from the switch conduits.  2.  Securely screw the two conduit nuts onto the conduit ends in the inverter.  3.  Attach the Connection Unit with its bracket to the wall and tighten its screw. Connecting the Connection Unit to the Primary Unit  1.  Connect the DC, as follows, see Figure 42: l Connect the red wire to any of the DC+ terminals in the inverter. l Connect the black wire to any of the DC- terminals in the inverter.  2.  Connect the communication wire to the communication board.  3.  Connect the AC wires according to the labels on the AC terminal blocks, as follows: Three Phase Inverter Wire type Connect to terminal Figure 44: Primary Unit AC terminals Line 1 L1 Line 2 L2 Line 3 L3 PE (grounding) Neutral N  4.  Tighten the screws of each terminal with a torque of 1.2-1.5 N*m / 0.88-1.1 lb.*ft.  5.  Verify that there are no unconnected wires at the output of the Connection Unit  and that any unused terminal screws are tightened. Appendix E: ReplacingSystemComponents Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 79

 1.  Turn OFF the inverter ON/OFF switch, and wait until the LCD green light is blinking, or wait five minutes before continuing to the next step. WARNING! If a malfunction is indicated by the LEDs, wait five minutes for the input capacitors of the inverter to discharge.  2.  Turn OFF the AC breaker and distribution panel on the main distribution panel.  3.  Disconnect and replace the necessary power optimizers.  4.  Perform pairing  5.  In the monitoring platform, use the Replace button  in the logical layout tab (in site Admin). Replace the serial number of the removed power optimizer with the serial number of the newly installed power optimizer. Refer to https://www.solaredge.com/sites/default/files/se-monitoring-portal-site-admin.pdf Extended Power Commercial Inverter Installation Guide MAN-01-00402-1.0 80 ReplacingPower Optimizers

Three Phase Inverters Three Phase Inverters for the Medium Voltage Grid SE50K1 SE55K SE82.8K SE66.6K2 SE100K2 Unit Output Rated AC power output 500003 55000 82800 66600 100000 VA Maximum AC power output 500003 55000 82800 66600 100000 VA AC output voltage – line to line / line to neutral (nominal) 380/220;400/230 480/277 Vac AC output voltage range line to line range: line to neutral range 318-460;184-264.5 432/528 /249.3-304.7 Vac AC frequency 50/60± 5 Hz Maximum continuous output current (per phase) @Vac.nom 76 80 120 - - A Maximum continuous output current (per phase) @277V - - - 80 120 1Available in the UK and Israel only 2The SE66.6K and SE100K models require a medium voltage transformer 349990 in the UK 1 Extended Power Commercial Inverter - Technical Specifications (Europe & APAC) MAN-01-00457-1.0

Three Phase Inverters for the Medium Voltage Grid SE50K1 SE55K SE82.8K SE66.6K2 SE100K2 Unit Grids supported – three phase3 3 / N / PE (WYE with Neutral) Maximum Residual Current Injection 250 per unit4 250 per unit Utility monitoring, islanding protection, configurable Power Factor, country configurable thresholds Yes Input Maximum DC power (Module STC) 67500 / 33750 74500/37250 11750/37250 90000/45000 135000/45000 W Transformer-less, ungrounded Yes Maximum input voltage 1000 Vdc Nominal DC input voltage 750 850 Vdc Maximum input current 74 80 120 80 120 Adc 1Available in the UK and Israel only 2The SE66.6K and SE100K models require a medium voltage transformer 3In some countries, the SolarEdge three phase inverters can be connected to delta grids ,refer t o https://www.solaredge.com/sites/default/files/se_three_phase_inverters_for_ delta_grids.pdf. and to Supported Countries application note to confirm compatibility http://www.solaredge.com/sites/default/files/se_inverters_supported_countries.pdf 4If an external RCD is required, its trip value must be ≥ 300mA per unit (≥ 600mA for SE50K/SE55K:≥900mA for SE82.8K) ExtendedPower CommercialInverter - TechnicalSpecifications 2 Extended Power Commercial Inverter - Technical Specifications (Europe & APAC) MAN-01-00457-1.0

Three Phase Inverters for the Medium Voltage Grid SE50K1 SE55K SE82.8K SE66.6K2 SE100K2 Unit Reverse-polarity protection Yes Ground-fault isolation detection 350kΩ Sensitivity per unit3 Maximum inverter efficiency 98.3 98.1 % European weighted efficiency 98 % Night-time power consumption < 12 W 1Available in the UK and Israel only 2The SE66.6K and SE100K models require a medium voltage transformer 3Where permitted by local regulations 3 ExtendedPower CommercialInverter - TechnicalSpecifications Extended Power Commercial Inverter - Technical Specifications (Europe & APAC) MAN-01-00457-1.0

Three Phase Inverters for the Medium Voltage Grid SE50K1 SE55K SE82.8K SE66.6K2 SE100K2 Unit Additional Features Supported communication interfaces RS485, Ethernet,Cellular GSM (optional) RS485 Surge Protection Built-in DC Safety Unit DS Disconnect 1000V / 2 x 40A 1000V /3 x 40A 1000V / 2 x 40A 1000V /3 x 40A DC Surge Protection Optional, Type II field replaceable DC Fuses on Plus & Minus Optional, 30A Standard Compliance Safety IEC-62109, AS3100 Grid connection standards3 VDE -AR-N-4105, G59/3, AS-4777,EN50438, CE-1, VDE 0126-1-1, CEI-016,BDEW Emissions IEC61000-6-2, IEC61000-6-3, IEC61000-3-11, IEC61000-3-12, FCC part15 class B RoHS Yes Installation Specifications Number of units 2 3 2 3 mm AC Output Cable Cable range AC - diameter 20-38; Cable range PE - diameter 10-16 mm 1Available in the UK and Israel only 2The SE66.6K and SE100K models require a medium voltage transformer 3For all standards refer to the Certifications category in http://www.solaredge.com/groups/support/downloads. ExtendedPower CommercialInverter - TechnicalSpecifications 4 Extended Power Commercial Inverter - Technical Specifications (Europe & APAC) MAN-01-00457-1.0

Three Phase Inverters for the Medium Voltage Grid SE50K1 SE55K SE82.8K SE66.6K2 SE100K2 Unit AC Output Cable Cable range AC - diameter 22-32; Cable range PE - diameter 10-16 Cable range AC - diameter 20-38; Cable range PE - diameter 10-16 Cable range AC - diameter 22-32; Cable range PE - diameter 10-16 Cable range AC - diameter 20-38; Cable range PE - diameter 10-16 DC input3 6 x strings; 4-10mm2 Glands DC wire, gland outer diameter 5-10mm/ 2MC4 pairs per unit pairs 9x strings; 4- 10mm2 Glands DC wire, gland outer diameter 5-10mm/ 3MC4 pairs per unit 6 strings, 4-10mm2 DC wire, gland outer diameter 5-10mm/ 2MC4 pairs per unit 9 strings, 4-10mm2 DC wire, gland outer diameter 5-10mm/ 3MC4 pairs per unit AC Output wire Aluminum or Copper;L,N:Up to 70, PE:Up to 35 Aluminum or Copper;L,N:Up to 95, PE:Up to 50 Aluminum or Copper;L,N:Up to 70, PE:Up to 35 Aluminum or Copper;L,N:Up to 95, PE:Up to 50 Dimensions (HxWxD) Primary Unit:940x315x260 ; Secondary Unit:540x315x260 mm Weight Primary Unit:48; Secondary Unit:45 kg Operating humidity Relative Humidity up to 100% % Operating temperature range -40 to + 604 °C Cooling Fan (user replaceable) 1Available in the UK and Israel only 2The SE66.6K and SE100K models require a medium voltage transformer 3Single input option per unit (up to 25mm 2)available 3 The DC input type, MC4 or glands, depends on the part number ordered. Inverter with glands P/N: SExxK-xx0P0BNG4, Inverter with MC4 P/N: SExxK-xx0P0BNU4 4De-rating from 50°C ,refer to the application note at the following link: http://www.solaredge.com/files/pdfs/se-temperature-derating-note.pdf 5 ExtendedPower CommercialInverter - TechnicalSpecifications Extended Power Commercial Inverter - Technical Specifications (Europe & APAC) MAN-01-00457-1.0

Three Phase Inverters for the Medium Voltage Grid SE50K1 SE55K SE82.8K SE66.6K2 SE100K2 Unit Noise < 60 dBA Protection rating IP65 Outdoor and indoor Recommended circuit breaker/ fuse size to use at the grid connection point: Inverter Maximum output current (A) Minimum fuse Rating (A) Maximum fuse rating (A) SE50k 72.5 100 125 SE55k 80 100 125 SE82.8K 120 150 200 SE66.6k 80 100 125 SE100k 120 150 200 1Available in the UK and Israel only 2The SE66.6K and SE100K models require a medium voltage transformer ExtendedPower CommercialInverter - TechnicalSpecifications 6 Extended Power Commercial Inverter - Technical Specifications (Europe & APAC) MAN-01-00457-1.0