Page 1 System Manual SMA Home Storage Solution with SMA Backup Secure - Generate solar power, store and use it effectively The solution for the flexible and effective use of solar energy with added peace of mind in the event of power outage with Sunny Boy Smart Energy-US, SMA Energy Meter-US, SMA Backup Secure, and battery...
Page 2: Table Of Contents
Communication Overview ............26 Interfaces and Functions............27 Sunny Boy Smart Energy as System Manager............27 Wi-Fi connection to SMA 360° app and SMA Energy app ........27 User Interface ......................27 SMA ShadeFix ......................27 Arc-Fault Circuit Interrupter (AFCI) ................28 Rapid Shutdown Equipment ..................
Page 3 Scope of Delivery..............32 Scope of Delivery of the Inverter................32 SMA Backup Start scope of delivery................ 33 Scope of Delivery of the SMA Energy Meter-US............. 34 Scope of Delivery of the Rapid Shutdown Initiator..........34 Product Overview of the inverter ........... 36 Product Description ....................
Page 4 Connecting Additional Grounding................69 12.10 Connecting a Rapid Shutdown Initiator to the Digital Input ........70 13 Commissioning ................. 74 13.1 Commissioning Procedure of System with the SMA 360° App ......74 13.2 Commissioning the Inverter..................74 13.3 Configuring the System with the SMA 360° App ........... 77 13.4...
Page 5 Checking the PV System for Ground Faults .............. 125 18.4 Manual restart after electric arc................127 19 Decommissioning ..............128 19.1 Disconnecting the Terminals from the Inverter............128 19.2 Removing SMA Backup Start ..................129 19.3 Disassembling the Inverter ..................130 19.4 Disposal ........................130 System Manual Home-Storage-Solution-BackupStart-US-SH-en-10...
Page 6 Data Storage Capacity....................136 21.8 Efficiency........................136 21.9 Protective Devices ...................... 137 21.10 Climatic Conditions ....................137 21.11 Equipment ........................137 22 SMA Backup Start Technical Data .......... 138 23 Compliance Information............139 24 Contact ..................140 Home-Storage-Solution-BackupStart-US-SH-en-10 System Manual...
Page 7 Legal Provisions Legal Provisions The information contained in these documents is the property of SMA Solar Technology AG. No part of this document may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, be it electronic, mechanical, photographic, magnetic or otherwise, without the prior written permission of SMA Solar Technology AG.
Page 9: Information On This Document
Circuitry overviews provide the basic principle of how a system must be set up and connected. The latest version of this document and additional information about the SMA products can be found in PDF format and as an eManual at www.SMA-Solar.com. You can also call up the eManual via the user interface of the inverter.
Page 10: Symbols In The Document
1 Information on this Document SMA Solar Technology AG DANGER Indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
Page 11: Designations In The Document
Title and information content Type of information "PUBLIC CYBER SECURITY - Guidelines for a Secure PV System Technical Information Communication" "SMA GRID GUARD 10.0 - Grid Management Services via Inverter Technical Information and System Controller" "Efficiency and Derating" Technical Information Efficiency and derating behavior of the SMA inverters "Compatibility between common grid configurations and SMA in-...
Page 12: Safety
The SMA Energy Solution Home may be equipped with the manual secure power supply function SMA Backup Secure when using the SMA Backup Start. When needed, for example in case of a power outage, the inverter can continue to supply electric current from the battery and the PV system to selected loads by means of a socket connected to the inverter.
Page 13 DC electric circuit or the maximum series fuse rating of the PV modules. The product may only be operated in connection with a lithium-ion battery approved by SMA Solar Technology AG. An updated list of batteries approved by SMA Solar Technology AG can be found in this document.
Page 14: Important Safety Instructions
SMA Backup Start is required in order to use secure power supply and battery-backup operation (e.g., SMA Backup Secure) in the SMA Home Energy Solution with the SMA inverters listed below. SMA Backup Start is a module that is integrated in the inverter. SMA Backup Start is equipped with a battery that can be charged to start the system as soon as energy is present in the PV system or the system battery.
Page 15 SMA Solar Technology AG 2 Safety DANGER Danger to life due to electric shock from touching an ungrounded PV module or array frame Touching ungrounded PV modules or array frames results in death or lethal injuries due to electric shock.
Page 16 2 Safety SMA Solar Technology AG WARNING Danger to life due to fire and deflagration In rare cases, an explosive gas mixture can be generated inside the inverter under fault conditions. In this state, switching operations can cause a fire and, in very rare cases, a deflagration inside the inverter.
Page 17 SMA Solar Technology AG 2 Safety WARNING Danger to life due to burns caused by electric arcs through short-circuit currents Short-circuit currents in the battery can cause heat build-up and electric arcs. Heat build-up and electric arcs may result in lethal injuries due to burns.
Page 18 2 Safety SMA Solar Technology AG NOTICE Damage to the system due to sand, dust and moisture ingress Sand, dust and moisture penetration can damage the products of the system and impair its functionality. • Only open the inverter if the humidity is within the thresholds and the environment is free of sand and dust.
Page 19 Communication disturbances in the local network The IP address range 192.168.12.0 to 192.168.12.255 is occupied for communication amongst SMA products and for direct access to SMA products. Communication problems might occur if this IP address range is used in the local network.
Page 20: System Components
• Incorporating PV and battery power into the system SMA Energy Meter The energy meter SMA Energy Meter (EMETER- US-50) measures the flow of energy out of and into the utility grid. The measured values it pro- duces are used by the Sunny Boy Smart Energy for the purpose of energy management.
Page 21: Additional Pv Inverters
• Supplying of electrical loads with energy from intermediate storage in the event of grid failure, when SMA Backup Start is installed An updated list of batteries approved by SMA Solar Technology AG can be found in this docu- ment (see Section 3.9, page 23). Additional PV inverters...
Page 22: Sma Backup Start
PV modules connected to the Sunny Boy Smart Energy. The loads are con- nected to the inverter via a socket. SMA Backup Secure is started manually, if needed, via a switch connected to the inverter. SMA Backup Se- cure can be activated when AC voltage is no longer being applied to the inverter.
Page 23: Approved Batteries
Sunny Boy Smart Energy. Approved Batteries You can find the batteries approved by SMA Solar Technology AG in the SMA Energy Solution Home with the Sunny Boy Smart Energy in the following table. Firmware version of the battery The firmware versions of the batteries can be viewed via the user interface of the respective battery after successful commissioning.
Page 24: Sma Home Energy Solution - System Overview
4 SMA Home Energy Solution - System Overview SMA Solar Technology AG SMA Home Energy Solution - System Overview Figure 1: System with 3 Sunny Boy Smart Energy units Home-Storage-Solution-BackupStart-US-SH-en-10 System Manual...
Page 25: Circuitry Overview
SMA Solar Technology AG 5 Circuitry Overview Circuitry Overview Figure 2: Circuitry of the system with 3 Sunny Boy Smart Energy units System Manual Home-Storage-Solution-BackupStart-US-SH-en-10...
Page 26: Communication Overview
6 Communication Overview SMA Solar Technology AG Communication Overview Figure 3: Communication Overview of System Home-Storage-Solution-BackupStart-US-SH-en-10 System Manual...
Page 27: Interfaces And Functions
There is a QR code on the inverter as standard. By scanning the QR Code attached to the product via the SMA 360° app or SMA Energy app, access to the product is established via Wi-Fi and the connection to the user interface is made automatically.
Page 28: Arc-Fault Circuit Interrupter (Afci)
7 Interfaces and Functions SMA Solar Technology AG Arc-Fault Circuit Interrupter (AFCI) The inverter is equipped with an integrated photovoltaic (PV) arc-fault circuit interrupter as required ® for PV systems by National Electrical Code ANSI/NFPA 70 (NEC). The inverters' arc-fault circuit...
Page 29: Modbus
The inverter is equipped with a Modbus interface. The Modbus interface is deactivated by default and must be configured as needed. The Modbus interface of the supported SMA products is designed for industrial use – via SCADA systems, for example – and has the following tasks: •...
Page 30: Increased Self-Consumption
PV array can be detected at an early stage. 7.12 SMA Smart Connected SMA Smart Connected is the free monitoring of the inverter via the SMA Sunny Portal. Thanks to SMA Smart Connected, the operator and qualified person will be informed automatically and proactively about inverter events that occur.
Page 31: Sma Speedwire
7 Interfaces and Functions 7.13 SMA Speedwire The inverter is equipped with SMA Speedwire as standard. SMA Speedwire is a type of communication based on the Ethernet standard. SMA Speedwire is designed for a data transfer rate of 100 Mbps and enables optimum communication between Speedwire devices within systems.
Page 32: Scope Of Delivery
8 Scope of Delivery SMA Solar Technology AG Scope of Delivery Scope of Delivery of the Inverter Check the scope of delivery for completeness and any externally visible damage. Contact your distributor if the scope of delivery is incomplete or damaged.
Page 33: Sma Backup Start Scope Of Delivery
– Wi-Fi password WPA2-PSK (WiFi Protected Access 2 - Preshared Key) for direct connection to the product via Wi-Fi – Device Key (DEV KEY) for resetting the administrator password SMA Backup Start scope of delivery Figure 5: Components included in scope of delivery Position Quantity Designation...
Page 34: Scope Of Delivery Of The Sma Energy Meter-Us
8 Scope of Delivery SMA Solar Technology AG Scope of Delivery of the SMA Energy Meter-US Figure 6: Components included in scope of delivery Position Quantity Designation SMA Energy Meter Mounting bracket Power cable with preconfigured connector 2 electrical current transducers with preconfigured connector RS485 connector 120 Ω...
Page 35 SMA Solar Technology AG 8 Scope of Delivery Position Quantity Designation Adapter for connection to several Sunny Boy Smart Energy units Two-pole connector Documentation System Manual Home-Storage-Solution-BackupStart-US-SH-en-10...
Page 36: Product Overview Of The Inverter
SMA Easy Lock enclosure lock LEDs The LEDs indicate the operating state of the product. A label with a QR code to be scanned using the SMA apps Type label The type label clearly identifies the product. The type label must remain per- manently attached to the product.
Page 37 SMA Solar Technology AG 9 Product Overview of the inverter Symbol Explanation Beware of electrical voltage The product operates at high voltages. Beware of hot surface The product can get hot during operation. Danger to life due to high voltages in the inverter; observe a waiting time of 5 5 min minutes.
Page 38: Led Signals
9 Product Overview of the inverter SMA Solar Technology AG LED Signals The LEDs indicate the operating state of the inverter. LED signal Explanation Green LED and red LED flash simultaneously (2 No country data set set s on and 2 s off) Operation of the inverter is stopped because no country data set is set.
Page 39 SMA Solar Technology AG 9 Product Overview of the inverter LED signal Explanation The blue LED is glowing There is an active connection with a local net- work or there is a direct connection with a smart device (e.g., smartphone, tablet or laptop).
Page 40: Procedure For Initial Installation And Commissioning Of The System
10 Procedure for Initial Installation and Commissioning of the System SMA Solar Technology AG 10 Procedure for Initial Installation and Commissioning of the System The procedure for initial installation, electrical connection, and commissioning of the system is described in the following. It provides an overview of the steps, which must be performed in the prescribed sequence.
Page 41: Mounting
SMA Solar Technology AG 11 Mounting 11 Mounting 11.1 Requirements for Mounting 11.1.1 Requirements for the mounting location of the inverter WARNING Danger to life due to fire or explosion Despite careful construction, electrical devices can cause fires. This can result in death or serious injury.
Page 42: Inverter Mounting Dimensions
11 Mounting SMA Solar Technology AG Figure 9: Permitted and prohibited mounting positions Also see: • Mounting the Inverter ⇒ page 43 11.1.3 Inverter Mounting Dimensions Position of the anchoring points (dimensions in mm (in)) Home-Storage-Solution-BackupStart-US-SH-en-10 System Manual...
Page 43: Recommended Inverter Mounting Clearances
SMA Solar Technology AG 11 Mounting Also see: • Mounting the Inverter ⇒ page 43 11.1.4 Recommended inverter mounting clearances To guarantee optimal operation and adequate heat dissipation for the inverter, the following requirements for clearances should be observed. This will prevent the inverter power output from being reduced due to excessive temperatures.
Page 44 11 Mounting SMA Solar Technology AG CAUTION Risk of injury due to weight of product Injuries may result if the product is lifted incorrectly or dropped while being transported or mounted. • Wear suitable personal protective equipment for all work on the product.
Page 45: Install Sma Backup Start
• Inverter Mounting Dimensions ⇒ page 42 • Permissible and impermissible mounting positions of the inverters ⇒ page 41 • Requirements for the mounting location of the inverter ⇒ page 41 11.3 Install SMA Backup Start CAUTION Risk of injury due to sharp EMC clips The EMC clips installed on the enclosure of the inverter may have sharp edges and can cause cut injuries.
Page 46 SMA Solar Technology AG Procedure: 1. Disconnect the inverter from all voltage sources (see Section 16, page 93). 2. Install the SMA Backup Start Module in the area labeled BLACKSTART. Make sure that the locking tabs on the module are inserted in the recesses in the assembly in the inverter, and that both plug connections are properly connected.
Page 47: Electrical Connection
SMA Solar Technology AG, depending on availability. The configuration file can be found in the download area at www.SMA- Solar.com. For 208 V grids, note the settings for the grid support functions (see Section 13.4, page 78).
Page 48: Requirements On The Ac Conductors
12 Electrical Connection SMA Solar Technology AG 12.1.4 Requirements on the AC conductors The following requirements apply only to the N and L1 and L2 conductors. For PE, note that the requirements are different. ☐ Conductor type: copper wire ☐ Permissible temperature: at least 90°C (194°F) ☐...
Page 49: Requirements For The Cables For The Secure Power Supply Operation Switch
SMA Solar Technology AG 12 Electrical Connection Also see: • Connect the utility grid together with the socket and the switch for secure power supply operation. ⇒ page 56 12.1.7 Requirements for the cables for the secure power supply operation switch ☐ Conductor type: copper wire ☐...
Page 50: Pin Assignment Of The Rs485 Terminal Block
12 Electrical Connection SMA Solar Technology AG • Connecting the energy meter via RS485 ⇒ page 62 • Connecting the Network Cable for Local Network and Energy Meter ⇒ page 60 12.1.10 Pin assignment of the RS485 terminal block Terminal block Clamping Assignment position Data+ (D+)
Page 51: Pin Assignment Of Rj45 Plug Connector For Battery Communication
SMA Solar Technology AG 12 Electrical Connection 12.1.12 Pin assignment of RJ45 plug connector for battery communication RJ45 plug Signal EN_GND CAN_H CAN_L BAT_EN 12.1.13 Battery Communication Cable Requirements The cable length and quality affect the quality of the signal. Observe the following cable requirements: ☐...
Page 52: Cabling Plan With Battery-Box Premium Hvl
12 Electrical Connection SMA Solar Technology AG 12.1.14 Cabling plan with Battery-Box Premium HVL Figure 11: Cabling plan SBSE3.8-US-50 / SBSE4.8-US-50 / SBSE5.8-US-50 / SBSE7.7-US-50 with Battery-Box Premium HVL Pin at the RJ45 connector Signal Terminal point at battery on the inverter...
Page 53: Requirements For The Pv Cables
SMA Solar Technology AG 12 Electrical Connection ☐ If 2 strings are connected to one input, the same number of PV modules wired in series should be connected to each string. Otherwise the yields may be reduced. ☐ On the coldest day based on statistical records, the open-circuit voltage of the PV array must never exceed the maximum input voltage of the inverter.
Page 54: Requirements For The Battery Power Cables
12 Electrical Connection SMA Solar Technology AG 12.1.18 Requirements for the Battery Power Cables ☐ The cables must be made of copper. ☐ Conductor cross-section: 6 mm² to 10 mm² (10 AWG to 8 AWG) ☐ Insulation stripping length: 12 mm (0.47 in) ☐ Cables can be used with or without bootlace ferrules ☐...
Page 55: Requirements For The Cable For The Rapid Shutdown Initiator
SMA Solar Technology AG 12 Electrical Connection 12.1.21 Requirements for the Cable for the Rapid Shutdown Initiator ☐ Conductor type: copper wire ☐ Permissible temperature: at least 90°C (194°F) ☐ The conductors must be solid or stranded wire. ☐ Conductor cross-section: 0.8 mm² to 1.5 mm² (18 AWG to 16 AWG) ☐...
Page 56: Connect The Utility Grid Together With The Socket And The Switch For Secure Power Supply Operation
☐ The cables for connection to the utility grid, the socket and the secure power supply operation switch must be preassembled. ☐ SMA Backup Start must be mounted. Additionally required material (not included in the scope of delivery): ☐ 1 standard outlet ☐...
Page 57 SMA Solar Technology AG 12 Electrical Connection 4. Run the AC conductors together with the conductors for connecting the socket and the switch through the conduit into the inverter and attach the conduit to the conduit fitting. 5. Run N, L1 and L2 for the AC connection through the ferrite.
Page 58 12 Electrical Connection SMA Solar Technology AG 9. Connect the conductors N and L for the socket to the SPS terminals according to the labels. 10. Connect the grounding conductor for the socket to the busbar according to the label, as short as possible without the conductor being under tension.
Page 59 SMA Solar Technology AG 12 Electrical Connection 14. Make sure that the cable bridge for grounding the N conductor is installed. 15. Tug lightly to ensure that all conductors are secured in the terminals. 16. If no other connections are made in the communication connection area, replace the cover.
Page 60: Connecting The Network Cable For Local Network And Energy Meter
12 Electrical Connection SMA Solar Technology AG 12.4 Connecting the Network Cable for Local Network and Energy Meter The following action describes how you can connect the inverter to the local network and additionally to an energy meter. If there are several inverters in the system, the energy meter should be connected to the inverter that is to be configured as the System Manager.
Page 61 SMA Solar Technology AG 12 Electrical Connection 3. Remove the cover from the communication connection area. 4. Remove the filler plug from the second enclosure opening from the right. 5. Insert the conduit fitting into the opening and tighten from the inside using the counter nut.
Page 62: Connecting The Energy Meter Via Rs485
• Network cable requirements ⇒ page 49 12.5 Connecting the energy meter via RS485 SMA Solar Technology AG recommends connecting the energy meter via network cable . If the energy meter is connected via RS485, the system cannot be commissioned with the 360° app exclusively –...
Page 63 SMA Solar Technology AG 12 Electrical Connection 5. If necessary, trim unused insulated conductors flush with the cable sheath or fold it over the cable sheath. 6. Remove the cover from the communication connection area. 7. Remove the filler plug from the third enclosure opening from the left.
Page 64: Connecting The Data Cable Of The Battery
12 Electrical Connection SMA Solar Technology AG 14. Insert the 4-pole terminal strip into the jack E-METER connector. 15. If no other connections are made in the communication connection area, replace the cover. 16. Connect the RS485 cable to the energy meter (see energy meter manual).
Page 65 SMA Solar Technology AG 12 Electrical Connection 3. Remove the cover from the communication connection area. 4. Remove the filler plug from the middle enclosure opening. 5. Insert the conduit fitting into the opening and tighten from the inside using the counter nut.
Page 66: Connecting The Pv Array
12 Electrical Connection SMA Solar Technology AG 10. If no other connections are made in the communication connection area, replace the cover. 11. Connect the network cable to the battery (see battery manual). 12. If a weep hole has been added to the conduit, seal the conduit with sealing compound.
Page 67 SMA Solar Technology AG 12 Electrical Connection 2. Remove the adhesive tape from the first enclosure opening from the left. 3. If 3 strings are connected, remove the filler plug from the second enclosure opening from the left. 4. Insert the conduit fitting into the opening and tighten from the inside using the counter nut.
Page 68: Connecting The Power Cable Of The Battery
12 Electrical Connection SMA Solar Technology AG Also see: • Requirements for the PV Grounding Conductors ⇒ page 53 • Requirements for the PV cables ⇒ page 53 • Requirements for the PV modules per input ⇒ page 52 12.8 Connecting the power cable of the battery If there are several inverters and only one battery in the system, the battery should be connected to the inverter that is to be configured as the System Manager.
Page 69: Connecting Additional Grounding
SMA Solar Technology AG 12 Electrical Connection 5. Run the battery power cables through the conduit into the inverter. 6. Attach the conduit to the conduit fitting. 7. Connect the battery power cables to the terminals for the battery connection according to the labels.
Page 70: Connecting A Rapid Shutdown Initiator To The Digital Input
12 Electrical Connection SMA Solar Technology AG 2. Insert the stripped part of the grounding cable into the ring terminal lug and crimp using a crimping tool. 3. Insert the screw with conical spring washer through the hole in the ring terminal lug and washer and...
Page 71 SMA Solar Technology AG 12 Electrical Connection 2. Remove the cover from the communication connection area. 3. Unplug the two-pole connector to which the DC load-break switch is connected from the GSI slot. 4. Plug an adapter into the GSI slot.
Page 72 12 Electrical Connection SMA Solar Technology AG 7. Insert a conduit fitting in the center enclosure opening and tighten with the counter nut from the inside. 8. Run the cable for connecting the external rapid shutdown initiator through the conduit into the inverter and attach the conduit to the conduit fitting.
Page 73 SMA Solar Technology AG 12 Electrical Connection 12. If no other connections are made in the communication connection area, replace the cover. 13. Commission the inverter. 14. Switch on the rapid shutdown initiator. 15. If a weep hole has been added to the conduit, seal the conduit with sealing compound.
Page 74: Commissioning
13 Commissioning 13.1 Commissioning Procedure of System with the SMA 360° App The entire system can be configured with the SMA 360° app following the connection of the individual components. SMA Solar Technology AG recommends using the SMA 360° app to configure the system.
Page 75 SMA Solar Technology AG 13 Commissioning Procedure: 1. Make sure that the communication cables do not touch the AC or DC cables and that the cover for the connection area is attached. 2. Make sure that all EMC terminals are present and correctly attached to the enclosure.
Page 76 13 Commissioning SMA Solar Technology AG 7. If the DC load-break switch was secured with a lock, open and remove the lock. 8. Hang the side covers on the hooks on the left and right of the mounting bracket and slide them downwards.
Page 77: Configuring The System With The Sma 360° App
To ensure the inverter starts feed-in operation during initial commissioning, a country data set must be set (e.g., via the product commissioning wizard in the SMA 360 app or on the user interface of the product, or via a System Manger).
Page 78: Settings For Grid Support Functions In 208 V Grids
• Changing parameters ⇒ page 86 13.5 Testing SMA Backup Secure Requirements: ☐ SMA Backup Start must be mounted. ☐ The socket and switch for the secure power supply operation must be connected. ☐ The inverter must be commissioned. ☐ Secure power supply operation must have been configured during commissioning.
Page 79 4. If the load does not turn on, make sure that the socket and the switch for the secure power supply operation are correctly connected and that SMA Backup Start is properly installed. If the load still fails to turn on, contact Service.
Page 80: Using The System Manager
Internet connection can be the result. • SMA Solar Technology AG recommends using an Internet flat rate. • If you do not use a flat rate, you can set the amount of data transmission in the Sunny Portal powered by EnnexOS.
Page 81: Establishing A Connection Via Ethernet In The Local Network
• Generally applicable access address: IP address manually assigned or assigned by the DHCP server (router) (identification via network scanner software or network configuration of the router). • Access address: https://SMA[serial number] (e.g. https://SMA0123456789) 14.2.1.2 Establishing a Connection via Ethernet in the local network Requirements: ☐...
Page 82: Direct Connection Via Wi-Fi
Communication disturbances in the local network The IP address range 192.168.12.0 to 192.168.12.255 is occupied for communication amongst SMA products and for direct access to SMA products. Communication problems might occur if this IP address range is used in the local network.
Page 83: Establishing A Direct Wi-Fi Connection With The 360° App
2. Enable the WPS function on your smart device. 3. Open the SMA 360° App and login with the Sunny Portal account details. 4. Select QR-Code Scan in the menu. 5. Scan the QR Code on you product via the SMA 360° App.
Page 84: Establishing Direct Wi-Fi Connection With Wi-Fi Network Search
14.2.2.5 Establishing direct Wi-Fi connection with Wi-Fi network search 1. Search for Wi-Fi networks with your smart device. 2. Select the SSID of the product SMA[serial number] in the list with the detected Wi-Fi networks. 3. Enter the device-specific Wi-Fi password (see WPA2-PSK on the type label).
Page 85: Activating Wps For Direct Connection To A Smart Device
SMA Solar Technology AG 14 Using the System Manager 14.3.3 Activating WPS for direct connection to a smart device • Tap on the enclosure lid of the product twice in direct succession. ☑ The WPS function is activated for about 2 minutes. Activation is signaled by rapid flashing of the blue LED.
Page 86: Access Rights To The User Interface
14 Using the System Manager SMA Solar Technology AG Position Designation Description Monitoring Offers different views for monitoring, depending on the scope of the connected devices. Dashboard Displays information and instantaneous values of the device or system currently selected. Home Opens the user interface home page 14.5 Access rights to the user interface...
Page 87: Arc-Fault Circuit Interrupter (Afci)
SMA Solar Technology AG 14 Using the System Manager 14.7 Arc-Fault Circuit Interrupter (AFCI) You can set the arc-fault circuit interrupter using the following parameters. Channel Name Settings AfciIsOn AFCI switched on You can use the following parameters to set the manual restart after an arc fault detection.
Page 88: Backup File
☐ An update file with the desired inverter firmware must be available. You can download the update file, for example, from the product page under www.SMA-Solar.com. ☐ The user interface must be open and you must be logged in as Installer or Administrator.
Page 89: Device Administration
SMA Solar Technology AG 14 Using the System Manager Procedure: 1. Select the product in the focus navigation. 2. Select the menu Configuration. 3. Select the Update and backup menu item. 4. In the Manual update area, click [Select file] and select the update file for the product.
Page 90 14 Using the System Manager SMA Solar Technology AG Procedure: 1. Select the [Delete admin account?] button. 2. Enter the Device Key from the label on the back of the supplied manual. 3. Select [Delete]. ☑ The product is performing a restart. Then a new admin account can be created.
Page 91: Remove Enclosure Lid
SMA Solar Technology AG 15 Remove enclosure lid 15 Remove enclosure lid 1. Ensure that the AC miniature circuit breaker is switched off and that it cannot be reconnected. 2. Ensure that the DC load-break switch of the inverter is in the O position.
Page 92 15 Remove enclosure lid SMA Solar Technology AG 12. Remove the enclosure cover and place it to one side. 13. Disconnect the inverter from all voltage sources . Home-Storage-Solution-BackupStart-US-SH-en-10 System Manual...
Page 93: Disconnecting The Inverter From Voltage Sources
SMA Solar Technology AG 16 Disconnecting the Inverter from Voltage Sources 16 Disconnecting the Inverter from Voltage Sources Prior to performing any work on the inverter, always disconnect it from all voltage sources as described in this section. Always adhere to the prescribed sequence.
Page 94 16 Disconnecting the Inverter from Voltage Sources SMA Solar Technology AG 4. Remove the DC conductors from the connection terminals. Make sure that the stripped DC conductors do not tough each other. 5. Use a suitable measuring device to make sure that there is no voltage between each of the connection terminals PVA, PVB and PVC and PV+ and PV-.
Page 95 SMA Solar Technology AG 16 Disconnecting the Inverter from Voltage Sources 9. Make sure there is no voltage at the AC terminals between L1 and N as well as between L2 and N. 10. Make sure there is no voltage between L1 and L2 on the AC terminals and PE on the busbar for grounding the AC connection.
Page 96: Cleaning
17 Cleaning SMA Solar Technology AG 17 Cleaning System components exposed to soiling must be cleaned regularly to ensure that all products are free of dust, leaves, and other dirt. NOTICE Damage to system components due to cleaning agents The use of cleaning agents may cause damage to the system components and parts of the components.
Page 97: Troubleshooting
SMA Solar Technology AG 18 Troubleshooting 18 Troubleshooting 18.1 Event messages 18.1.1 Event 101 Event message: • Grid incident Explanation: The grid voltage or grid impedance at the connection point of the inverter is too high. The inverter has disconnected from the utility grid.
Page 98 18 Troubleshooting SMA Solar Technology AG 18.1.3 Event 103 Event message: • Grid incident Explanation: The grid voltage or grid impedance at the connection point of the inverter is too high. The inverter has disconnected from the utility grid. Corrective measures: •...
Page 99 SMA Solar Technology AG 18 Troubleshooting Explanation: The utility grid has been disconnected, the AC cable is damaged or the grid voltage at the connection point of the inverter is too low. The inverter has disconnected from the utility grid.
Page 100 18 Troubleshooting SMA Solar Technology AG Explanation: The utility grid has been disconnected, the AC cable is damaged or the grid voltage at the connection point of the inverter is too low. The inverter has disconnected from the utility grid.
Page 101 SMA Solar Technology AG 18 Troubleshooting Corrective measures: • If possible, check the grid voltage and observe how often fluctuations occur. If fluctuations occur frequently and this message is displayed often, contact the grid operator and request approval to change the operating parameters of the inverter. If the grid operator gives approval, discuss any changes to the operating parameters with the Service.
Page 102 18 Troubleshooting SMA Solar Technology AG Explanation: The grid frequency is not within the permissible range. The inverter has disconnected from the utility grid. Corrective measures: • If possible, check the grid frequency and observe how often fluctuations occur. If fluctuations occur frequently and this message is displayed often, contact the grid operator and request approval to change the operating parameters of the inverter.
Page 103 SMA Solar Technology AG 18 Troubleshooting 18.1.15 Event 701 Event message: • Frequency not permitted • Check parameter Explanation: The grid frequency is not within the permissible range. The inverter has disconnected from the utility grid. Corrective measures: • Check the AC wiring from the inverter to the feed-in meter.
Page 104 18 Troubleshooting SMA Solar Technology AG • Check the AC voltages on the inverter connection. • If this message is still displayed, contact the Service. 18.1.18 Event 1101 Event message: • Installation fault • Check connection Explanation: A second line conductor is connected to N.
Page 105 SMA Solar Technology AG 18 Troubleshooting Corrective measures: • Ensure that the country standard has been configured correctly. To do this, select the parameter Set country standard and check the value. 18.1.21 Event 3302 Event message: • Unstable operation Explanation: There is not enough power at the DC input of the inverter for stable operation.
Page 106 18 Troubleshooting SMA Solar Technology AG Explanation: Overvoltage at the DC input. This can destroy the inverter. Corrective measures: • Immediately disconnect the inverter from all voltage sources. • Check whether the DC voltage is below the maximum input voltage of the inverter. If the DC voltage is below the maximum input voltage of the inverter, reconnect the DC cables to the inverter.
Page 107 SMA Solar Technology AG 18 Troubleshooting Explanation: Overvoltage at the DC input. This can destroy the inverter. This message is signalized additionally by rapid flashing of the LEDs. Corrective measures: • Immediately disconnect the inverter from all voltage sources. • Check whether the DC voltage is below the maximum input voltage of the inverter. If the DC voltage is below the maximum input voltage of the inverter, reconnect the DC cables to the inverter.
Page 108 18 Troubleshooting SMA Solar Technology AG Corrective measures: • Immediately disconnect the inverter from all voltage sources. • Check whether the DC voltage is below the maximum input voltage of the inverter. If the DC voltage is below the maximum input voltage of the inverter, reconnect the DC cables to the inverter.
Page 109 SMA Solar Technology AG 18 Troubleshooting Corrective measures: • Check the PV system for ground faults. • Check the battery and DC cabling for ground faults. 18.1.31 Event 3701 Event message: • Residual current too high • Check generator Explanation: The inverter detected a residual current due to brief grounding of the PV modules, the battery, or the DC wiring.
Page 110 18 Troubleshooting SMA Solar Technology AG 18.1.33 Event 3902 Event message: • Waiting for DC start conditions • Start conditions not met Explanation: The feed-in conditions for the utility grid are not yet fulfilled. Corrective measures: • Check whether a new firmware version is available for the inverter and the battery. If a newer version is available, perform the firmware update.
Page 111 SMA Solar Technology AG 18 Troubleshooting Explanation: The displayed input is in reverse polarity or reverse current has been detected in the input. Corrective measures: • Check the correct polarity of the connected PV modules. • Ensure correct design and circuitry of the PV array.
Page 112 18 Troubleshooting SMA Solar Technology AG 18.1.38 Event 4017 Event message: • Reverse currents or input X polarity reversed • Check generator Explanation: The displayed input is in reverse polarity or reverse current has been detected in the input. Corrective measures: •...
Page 113 SMA Solar Technology AG 18 Troubleshooting Explanation: The cause must be determined by the Service. Corrective measures: • Contact Service. 18.1.41 Event 6501 Event message: • Self-diagnosis • Overtemperature Explanation: The inverter has switched off due to excessive temperature. Corrective measures: •...
Page 114 18 Troubleshooting SMA Solar Technology AG • Overtemperature Explanation: The inverter has switched off due to excessive temperature. Corrective measures: • Clean the cooling fins on the rear of the enclosure and the air ducts on the top using a soft brush.
Page 115 SMA Solar Technology AG 18 Troubleshooting Corrective measures: • Check the grid voltage and connection on the inverter. If the grid voltage lies outside the permissible range due to local grid conditions, ask your grid operator if the voltage can be adjusted at the feed-in point or if it would be acceptable to change the monitored operating limits.
Page 116 18 Troubleshooting SMA Solar Technology AG 18.1.50 Event 6901 Event message: • Self-diagnosis > Input B defective Explanation: Polarity error on the inverter. Corrective measures: • Check whether a string is connected to input B. • Contact Service. 18.1.51 Event 7001 Event message: •...
Page 117 18.1.55 Event 7622 Event message: • No communication with I/O module Explanation: This event is displayed during a device-internal communication error with the SMA I/O Modul. The inverter disconnects from the utility grid for safety reasons. 18.1.56 Event 7702 Event message: • Self-diagnosis •...
Page 118 18 Troubleshooting SMA Solar Technology AG 18.1.57 Event 7703 Event message: • Self-diagnosis • Interference device Explanation: The cause must be determined by the Service. Corrective measures: • Contact Service. 18.1.58 Event 7801 Event message: • Fault overvoltage protector Explanation: One or more surge arresters have tripped or one or more surge arresters are not inserted correctly.
Page 119 • Contact Service. 18.1.61 Event 8205 Event message: • Arc fault detection self-test successful. Explanation: The self-test of SMA ArcFix has been completed successfully. 18.1.62 Event 8708 Event message: • Timeout in communication for active power limitation Explanation: Communication to the system control absent. Depending on the fallback setting, either the last received values will be retained or the active power will be limited to the set percentage value of the inverter nominal power.
Page 120 18 Troubleshooting SMA Solar Technology AG Corrective measures: • Ensure that the connection to the System Manager is intact and that no cables are damaged or that no plugs have been pulled. 18.1.64 Event 8710 Event number: • Timeout in communication for cos phi setpoint Explanation: Communication to the system control absent.
Page 121 SMA Solar Technology AG 18 Troubleshooting 18.1.67 Event 9034 Event message: • Error in the rapid shutdown system Explanation: This message can have the following causes: • The Rapid Shutdown Function was not correctly configured. • The PV module could not be correctly disconnected. Voltage can be applied to the DC inputs of the inverter.
Page 122 18 Troubleshooting SMA Solar Technology AG 18.1.70 Event 9038 Event message: • Redundant rapid shutdown discharge function not assured Explanation: The cause must be determined by the Service. Corrective measures: • Contact Service. 18.1.71 Event 9101 Event message: • AC voltage calibration failed.
Page 123 SMA Solar Technology AG 18 Troubleshooting Explanation: The cause must be determined by the Service. Corrective measures: • Contact the Service. 18.1.74 Event 9203 Event message: • Short circuit in the SPS power outlet Explanation: A short circuit occurred at the socket for manual secure power supply operation.
Page 124 18 Troubleshooting SMA Solar Technology AG 18.1.77 Event 9394 Event message: • Deep discharge protection activated Explanation: The battery management system has activated the deep discharge protection. For grid-connected systems, this message is an event message, not a warning message.
Page 125: Calculating The Insulation Resistance
SMA Solar Technology AG 18 Troubleshooting 18.2 Calculating the insulation resistance The expected total resistance of the PV system or of an individual string can be calculated using the following formula: The exact insulation resistance of a PV module can be obtained from the module manufacturer or the datasheet.
Page 126 18 Troubleshooting SMA Solar Technology AG WARNING Danger to life due to electric shock from destruction of the measuring device due to overvoltage Overvoltage can damage a measuring device and result in voltage being present in the enclosure of the measuring device. Touching the live enclosure of the measuring device results in death or lethal injuries due to electric shock.
Page 127: Manual Restart After Electric Arc
SMA Solar Technology AG 18 Troubleshooting 9. Measure the remaining strings in the same manner. ☑ If the insulation resistance of a string deviates considerably from the theoretically calculated value, there is a ground fault present in that string. 10. Reconnect to the inverter only those strings from which the ground fault has been eliminated.
Page 128: Decommissioning
19 Decommissioning SMA Solar Technology AG 19 Decommissioning 19.1 Disconnecting the Terminals from the Inverter To decommission the inverter completely upon completion of its service life, proceed as described in this Section. CAUTION Risk of injury due to weight of product Injuries may result if the product is lifted incorrectly or dropped while being transported or mounted.
Page 129: Removing Sma Backup Start
25. Detach the conduit and guide the cable out of the inverter. 26. Detach the cable for the additional grounding (TX25). Also see: • Removing SMA Backup Start ⇒ page 129 19.2 Removing SMA Backup Start CAUTION Risk of injury due to sharp EMC clips The EMC clips installed on the enclosure of the inverter may have sharp edges and can cause cut injuries.
Page 130: Disassembling The Inverter
SMA Solar Technology AG 2. Remove the spacer. To do this, raise both locking tabs and lift the spacer upwards. 3. Carefully detach the SMA Backup Start module from the assembly in the inverter and remove it. 19.3 Disassembling the Inverter CAUTION...
Page 131: Replacing The Product
20 Replacing the Product 20 Replacing the Product Under fault conditions, an SMA product in the system may need to be replaced. If this is the case, you will receive a replacement device from SMA Solar Technology AG. If you received a replacement device, replace the defective product with the replacement device as described below.
Page 132: Technical Data For Inverter
21 Technical Data for Inverter SMA Solar Technology AG 21 Technical Data for Inverter 21.1 General Data Width x height x depth 500 mm x 586 mm x 236 mm (19.7 in x 23.1 in x 9.3 in) Weight 17.5 kg (38.6 lb) Length x width x height of the packaging 760 mm x 580 mm x 350 mm...
Page 133: Dc Input Of Pv
SMA Solar Technology AG 21 Technical Data for Inverter 21.2 DC input of PV SBSE3.8-US-50 SBSE4.8-US-50 SBSE5.8-US-50 SBSE7.7-US-50 Maximum power 7680 Wp STC 9600 Wp STC 1160 Wp STC 15360 Wp STC of PV array Maximum input 600 V 600 V 600 V 600 V...
Page 134: Battery Dc Input
20 A 25 A 32 A 240 V Warning! Danger of fire due to use of non-approved batteries. Only use batteries approved by SMA Solar Technology AG (technical information with list of approved batteries at www.SMA-Solar.com). Depending on the configured country data set Home-Storage-Solution-BackupStart-US-SH-en-10...
Page 135: Digital Output (Multifunction Relay)
SMA Solar Technology AG 21 Technical Data for Inverter SBSE3.8-US-50 SBSE4.8-US-50 SBSE5.8-US-50 SBSE7.7-US-50 Maximum output 16 A 20 A 25 A 32 A current Maximum output 488 A 488 A 488 A 488 A current under fault conditions Total harmonic < 3 % < 3 % < 3 % < 3 %...
Page 136: Communication
Reset time 5 ms Maximum cable length 100 m (328 ft) 21.6 Communication SMA devices Max. 5 inverters with SMA Speedwire and 1 energy meter, 100 Mbit/s I/O systems and meters Ethernet, 10/100 Mbit/s, Modbus TCP 21.7 Data Storage Capacity 1-minute values 7 days...
Page 137: Protective Devices
SMA Solar Technology AG 21 Technical Data for Inverter 21.9 Protective Devices DC reverse polarity protection Short-circuit diode Input-side disconnection point DC load-break switch AC short-circuit current capability Current control Grid monitoring SMA Grid Guard 10.0 Maximal output overcurrent protection 50 A...
Page 138: Sma Backup Start Technical Data
22 SMA Backup Start Technical Data SMA Solar Technology AG 22 SMA Backup Start Technical Data Maximum storage duration 2 years Home-Storage-Solution-BackupStart-US-SH-en-10 System Manual...
Page 139: Compliance Information
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Changes or modifications made to this equipment not expressly approved by SMA Solar Technology AG may void the FCC authorization to operate this equipment. System Manual...
Page 140: Contact
24 Contact SMA Solar Technology AG 24 Contact If you have technical problems with our products, please contact the SMA Service Line. The following data is required in order to provide you with the necessary assistance: • Type of device • Serial number •...
Page 142 www.SMA-Solar.com...

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