SMA Solar Technology SUNNY BOY STORAGE 3.7 Operating Manual
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SMA Solar Technology SUNNY BOY STORAGE 3.7 Operating Manual

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Operating manual
SUNNY BOY STORAGE 3.7 / 5.0 / 6.0
ENGLISH
SBSxx-10-BE-en-16 | Version 1.6

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Summary of Contents for SMA Solar Technology SUNNY BOY STORAGE 3.7

  • Page 1 Operating manual SUNNY BOY STORAGE 3.7 / 5.0 / 6.0 ENGLISH SBSxx-10-BE-en-16 | Version 1.6...
  • Page 2 Important information SMA Solar Technology AG Important information Depending on availability, the product is or is not equipped with Wi-Fi functionality. The reason for this is the currently problematic semiconductor supply, caused by the COVID-19 pandemic. If the product is not equipped with Wi-Fi functionality, please use the standard Ethernet communication interface included for commissioning, configuration and integrating the product into a network.
  • Page 3 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 4: Table Of Contents

    Table of Contents SMA Solar Technology AG Table of Contents Information on this Document..........Validity ........................Target Group......................Content and Structure of this Document ..............Levels of warning messages ..................Symbols in the Document ..................Typographical Elements in the Document ..............
  • Page 5 SMA Solar Technology AG Table of Contents 6.2.1 Overview of Grounding Connection............. 45 6.2.2 Requirements for Battery Inverter Grounding Cable......45 AC Connection......................46 6.3.1 Requirements for the AC Connection ............ 46 6.3.2 Connecting the Inverter to the Utility Grid ..........47 6.3.3...
  • Page 6 Table of Contents SMA Solar Technology AG Checking or Disabling Battery-Backup Operation........... 84 Activate WPS Function....................85 Switching WLAN On and Off................... 85 8.10 Changing the Password..................... 86 8.11 Changing Operating Parameters................86 8.12 Configuring the Country Data Set................88 8.13...

  • Page 7: Information On This Document

    SMA Solar Technology AG 1 Information on this Document Information on this Document Validity This document is valid for: • SBS3.7-10 (Sunny Boy Storage 3.7) from firmware version ≥ 3.00.00.R • SBS5.0-10 (Sunny Boy Storage 5.0) from firmware version ≥ 3.00.00.R • SBS6.0-10 (Sunny Boy Storage 6.0) from firmware version ≥ 3.00.00.R Target Group This document is intended for qualified persons and end users.

  • Page 8: Symbols In The Document

    1 Information on this Document SMA Solar Technology AG CAUTION Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. NOTICE Indicates a situation which, if not avoided, can result in property damage. Symbols in the Document...

  • Page 9: Designations In The Document

    SMA Solar Technology AG 1 Information on this Document Designations in the Document Complete designation Designation in this document Sunny Boy Storage Inverter, product Additional Information For more information, please go to www.SMA-Solar.com. Title and information content Type of information "Approved batteries and battery communication connection"...

  • Page 10: Safety

    The product is suitable for indoor and outdoor use. The product must only be operated in connection with an intrinsically safe lithium-ion battery approved by SMA Solar Technology AG. An updated list of batteries approved by SMA Solar Technology AG is available at www.SMA-Solar.com.

  • Page 11: Important Safety Instructions

    Alterations to the SMA products, e.g., changes or modifications, are only permitted with the express written permission of SMA Solar Technology AG. Unauthorized alterations will void guarantee and warranty claims and in most cases terminate the operating license. SMA Solar Technology AG shall not be held liable for any damage caused by such changes.
  • Page 12 2 Safety SMA Solar Technology AG DANGER Danger to life due to electric shock when live components or DC cables are touched The DC cables connected to a battery may be live. Touching live DC cables results in death or serious injury due to electric shock.
  • Page 13 SMA Solar Technology AG 2 Safety WARNING Danger to life due to fire and explosion In rare cases, an explosive gas mixture can be generated inside the product under fault conditions. In this state, switching operations can cause a fire inside the product or explosion.
  • Page 14 2 Safety SMA Solar Technology AG 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 15 SMA Solar Technology AG 2 Safety NOTICE Damage to the enclosure seal in subfreezing conditions If you open the product or disconnect the Power Unit and Connection Unit when temperatures are below freezing, the enclosure seals can be damaged. Moisture can penetrate the product and damage it.

  • Page 16: Scope Of Delivery

    3 Scope of Delivery SMA Solar Technology AG Scope of Delivery Figure 1: Components included in the scope of delivery Position Quantity Designation Inverter Hexagon socket cap head screw M5 x 60 (not required) Quick reference guide with password label on the rear side The label contains the following information: •...
  • Page 17 SMA Solar Technology AG 3 Scope of Delivery Position Quantity Designation Spring washer M5 Cable gland and counter nut PG 21 Three-hole cable support sleeve Four-hole cable support sleeve Two-hole cable support sleeve Sealing plug for two-hole and three-hole cable support sleeve...

  • Page 18: Product Overview

    4 Product Overview SMA Solar Technology AG Product Overview Product Description The Sunny Boy Storage uses the connected battery for the intermediate storage of excess PV energy in the SMA Flexible Storage System. For this purpose, the Sunny Boy Storage receives the feed-in and purchased energy data from the energy meter. This data is used by the Sunny Boy Storage to control the charging and discharging of the battery.
  • Page 19 SMA Solar Technology AG 4 Product Overview Figure 2: Design of the inverter Position Designation Power Unit Enclosure lid of the Power Unit Enclosure lid for the Connection Unit Connection Unit Type label The type label uniquely identifies the inverter. The type label must remain per- manently attached to the product.

  • Page 20: Symbols On The Product

    4 Product Overview SMA Solar Technology AG Position Designation Label with QR Code for scanning via the SMA 360° App and easy connec- tion to the inverter's user interface via Wi-Fi (only available if the product is equipped with a Wi-Fi interface) LEDs The LEDs indicate the operating state of the product.

  • Page 21: Interfaces And Functions

    SMA Solar Technology AG 4 Product Overview Icon Explanation Grounding conductor This symbol indicates the position for connecting a grounding conductor. Alternating current Direct current The product has no galvanic isolation. WEEE designation Do not dispose of the product together with the household waste but in accor- dance with the disposal regulations for electronic waste applicable at the in- stallation site.
  • Page 22 4 Product Overview SMA Solar Technology AG User interface for configuration and monitoring The product is equipped as standard with an integrated webserver, which provides a user interface for configuring and monitoring the product. Once the connection has been established to the smart device, use a terminal (e.g. smartphone, tablet or laptop) to connect to the product's user interface using a web browser.
  • Page 23 SMA Solar Technology AG 4 Product Overview Modbus The product 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 –...
  • Page 24 4 Product Overview SMA Solar Technology AG Do not connect any loads that require an uninterrupted energy supply The secure power supply operation and the battery-backup operation may not be used for loads that require a uninterrupted energy supply. The energy that is available during the secure power supply operation or battery-backup operation depends on the battery capacity available and the state of charge of the battery (SOC).
  • Page 25 The configuration is carried out via the installation assistant on the user interface of the battery inverter. An overview of batteries approved by SMA Solar Technology AG and their possible combinations is available at www.SMA-Solar.com.
  • Page 26 4 Product Overview SMA Solar Technology AG SMA Smart Connected SMA Smart Connected is the free monitoring of the product via the SMA Sunny Portal. Thanks to SMA Smart Connected, the operator and qualified person will be informed automatically and proactively about product events that occur.

  • Page 27: Led Signals

    SMA Solar Technology AG 4 Product Overview The frequency shift power control is enabled by default. No additional settings must be carried out. It must be ensured that the connected PV inverters limit their power at the AC output via the battery inverter due to changes in frequency.
  • Page 28 4 Product Overview SMA Solar Technology AG LED signal Explanation The red LED is glowing Event occurred If an event occurs, a distinct event message and the corresponding event number will be displayed in addition on the product user inter- face or in the communication product (e.g.

  • Page 29: System Overview

    SMA Solar Technology AG 4 Product Overview System Overview SUNNY PORTAL UTILITY GRID Solar energy Alternating current Communication CUSTOMER SYSTEM SUNNY HOME MANAGER/ SMA ENERGY METER SMA PV SYSTEM SMA STORAGE SYSTEM Figure 4: Design of the system Operating manual...

  • Page 30: Circuitry Overview

    4 Product Overview SMA Solar Technology AG 4.5.1 Circuitry Overview 4.5.1.1 System with secure power supply DISTRIBUTION BOARD SUNNY HOME MANAGER/ SMA ENERGY METER GRID-CONNECTION POINT with energy meter of the grid operator max. 63 A max. max. 32 A...

  • Page 31: System With Battery-Backup Function

    SMA Solar Technology AG 4 Product Overview 4.5.1.2 System with battery-backup function AUTOMATIC TRANSFER SWITCH BACKUP UNIT CONTROLLER SUNNY HOME MANAGER/ SMA ENERGY METER U Grid Grid U Loads GRID-CONNECTION POINT with energy meter of the grid operator max. 63 A...

  • Page 32: Communication Overview

    4 Product Overview SMA Solar Technology AG 4.5.2 Communication Overview SUNNY PORTAL INTERNET SUNNY BOY ROUTER SUNNY HOME MANAGER/ SMA ENERGY METER SWITCH SMA BACKUP SUNNY BOY UNIT CONTROLLER STORAGE BATTERY Public Internet Ethernet LAN Radio Figure 7: Design of system communication...

  • Page 33: Battery Management

    SMA Solar Technology AG 4 Product Overview "Battery Management" 4.6.1 Battery Use by Systems for Increased Self-Consumption 100 % Figure 8: State of charge ranges of the battery in systems for increased self-consumption without battery backup Range Parameter Battery inverter behavior...

  • Page 34: Battery Use By Battery-Backup Systems With Increased Self-Consumption

    4 Product Overview SMA Solar Technology AG 4.6.2 Battery Use by Battery-Backup Systems with Increased Self-Consumption 100 % Figure 9: State of charge ranges of the battery in battery-backup systems Range Parameter (technical term) Battery inverter behavior Self-consumption range (SlfCsmp)
  • Page 35 SMA Solar Technology AG 4 Product Overview Range Parameter (technical term) Battery inverter behavior Range for maintaining battery state of Utility grid available: charge (PVRes) The battery inverter checks the current SOC every 24 hours. If the SOC is in range D, the batteries are recharged with 3 A from...

  • Page 36: Mounting

    5 Mounting SMA Solar Technology AG Mounting Requirements for Mounting Requirements for the mounting location: 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 37 SMA Solar Technology AG 5 Mounting ☐ Do not mount multiple inverters directly above one another. SUNNY BOY SUNNY BOY SUNNY BOY SUNNY BOY SUNNY BOY SUNNY BOY SUNNY BOY SUNNY BOY Figure 11: Permissible and impermissible mounting positions of multiple inverters...
  • Page 38 5 Mounting SMA Solar Technology AG Dimensions for mounting: 79.2 179.25 126.75 126.75 9 x 16 Figure 12: Position of the anchoring points(Dimensions in mm) Recommended clearances: If you maintain the recommended clearances, adequate heat dissipation will be ensured. Thus, you will prevent power reduction due to excessive temperature.

  • Page 39: Mounting The Product

    SMA Solar Technology AG 5 Mounting Figure 13: Recommended clearances(Dimensions in mm) Mounting the product Additionally required mounting material (not included in the scope of delivery): ☐ 2 screws suitable for the support surface (diameter: 8 mm) ☐ 2 washers suitable for the screws ☐...
  • Page 40 5 Mounting SMA Solar Technology AG 2. Unscrew the 2 screws on the right and left side of the Power Unit (TX25). As a result, the Power Unit and the Connection Unit are not connected to one another. 3. Disconnect the Connection Unit from the Power Unit.
  • Page 41 SMA Solar Technology AG 5 Mounting 9. Plug the Power Unit into the Connection Unit. Make sure that the screw holes on the left and right sides of the Power Unit are directly over those of the Connection Unit; and the cables protruding from the Power Unit must not be pinched.
  • Page 42 5 Mounting SMA Solar Technology AG 13. Insert the ribbon cable used to connect the communication assembly to the battery interface AC-out module into the jack on the battery interface module and lock it. ANT. FCC ID: SVF-KP20 IC: 9440A-KP20...

  • Page 43: Electrical Connection

    SMA Solar Technology AG 6 Electrical Connection Electrical Connection Overview of the Connection Area 6.1.1 View from Below Figure 14: Enclosure openings at the bottom of the inverter Position Designation Enclosure opening for the DC connection Enclosure opening for the battery communication cable of the Antenna Exten-...

  • Page 44: Interior View

    6 Electrical Connection SMA Solar Technology AG 6.1.2 Interior View DC-in AC-out ANT. FCC ID: SVF-KP20 IC: 9440A-KP20 DISPLAY D-IN Max. 30V DC Figure 15: Connection areas in the interior of the inverter Position Designation DC-in slot for DC connection Jack for connecting the ribbon cable for the connection of the communication assembly to the Power Unit.

  • Page 45: Grounding

    SMA Solar Technology AG 6 Electrical Connection Position Designation No function Network ports A and B for connecting a router or network switch and for con- necting an SMA Energy Meter USB port for connecting a USB flash drive (for service purposes)

  • Page 46: Ac Connection

    6 Electrical Connection SMA Solar Technology AG ☐ External diameter: 18 mm ☐ Conductor cross-section: 4 mm² to 16 mm² ☐ Sheath stripping length: 250 mm ☐ The cable must be dimensioned in accordance with the local and national directives for the dimensioning of cables. The requirements for the minimum wire size derive from these directives.

  • Page 47: Connecting The Inverter To The Utility Grid

    If you are uncertain about this, contact your grid operator or SMA Solar Technology AG. • Grounding conductor monitoring must be disabled after initial start-up depending on the grid configuration (see Section 8.18, page 91).
  • Page 48 6 Electrical Connection SMA Solar Technology AG • Strip off the conductor insulation by 18 mm. • Insert the screw through the conical spring washer, the clamping bracket and the washer. • Guide the conductor between the washer and clamping bracket and tighten the screw (TX 25) (torque: 6 Nm ±...

  • Page 49: Connecting Additional Grounding

    SMA Solar Technology AG 6 Electrical Connection • Connect the neutral conductor to the terminal block in accordance with the labeling. Insert the conductor into the corresponding terminal point (round opening) up to the stop. • Connect L to the terminal block in accordance with the labeling. Insert the conductor into the corresponding terminal point (round opening) up to the stop.
  • Page 50 6 Electrical Connection SMA Solar Technology AG Grounding of the battery The grounding of the battery must not be connected to the connection point for additional grounding on the inverter. • Connect the grounding of the battery to the grounding point of the battery.

  • Page 51: Connecting The Network Cables

    SMA Solar Technology AG 6 Electrical Connection Connecting the Network Cables DANGER Danger to life due to electric shock in case of overvoltages and if surge protection is missing Overvoltages (e. g. in the event of a flash of lightning) can be further conducted into the building and to other connected devices in the same network via the network cables or other data cables if there is no surge protection.

  • Page 52: Connecting The Energy Meter

    6 Electrical Connection SMA Solar Technology AG 3. Insert the cable gland into the opening and tighten it with the counter nut from the inside. 4. Cut into the two-hole cable support sleeve with a box cutter. This will push the cable into the grommet.

  • Page 53: Connecting Can Communication Cable

    SMA Solar Technology AG 6 Electrical Connection Procedure: 1. Disconnect the product from voltage sources (see Section 9, page 96). 2. Remove the sealing plugs from the network connection opening on the inverter. 3. Insert the cable gland into the opening and tighten it with the counter nut from the inside.
  • Page 54 6 Electrical Connection SMA Solar Technology AG ☐ Cable category: minimum CAT5e ☐ Cable with shielding: Yes ☐ Conductor cross-section: 0.25 mm² to 0.34 mm² ☐ Recommended number of conductor pairs: 4 ☐ External diameter: 6 mm to 8.5 mm ☐ Maximum cable length between battery and inverter and, in battery-backup systems, between automatic transfer switch and inverter: 10 m ☐...

  • Page 55: Connecting The Switch And Outlet For Secure Power Supply Operation

    SMA Solar Technology AG 6 Electrical Connection 8. Connect the conductors of the communication cables to a 6-pole terminal block. Pay attention to the assignment of the terminal block and communication connection on the battery and/or automatic transfer switch and make sure that CAN L and CAN H consist of a pair of conductors.
  • Page 56 Section 14, page 141). Residual-current device: ☐ SMA Solar Technology AG recommends installing a residual-current device (type A) between the inverter's output for secure power supply and the outlet for secure power supply operation, which trips at a residual current of 30 mA. Observe all locally applicable standards and directives when doing so.
  • Page 57 SMA Solar Technology AG 6 Electrical Connection • Strip off the conductor insulation by 18 mm. • Insert the screw through the conical spring washer, the clamping bracket and the washer. • Guide the conductor between the washer and clamping bracket and tighten the screw (TX 25) (torque: 6 Nm ±...
  • Page 58 6 Electrical Connection SMA Solar Technology AG 12. Connect the conductors L and N to the terminal block in accordance with the labeling. Insert each conductor into the corresponding terminal point (round opening) up to the stop. 13. Ensure the conductors are plugged into the terminal points (round openings) as far as is will go and not into the actuation shafts (rectangular openings).

  • Page 59: Connecting Switch For Black Start (In Battery-Backup Systems)

    SMA Solar Technology AG 6 Electrical Connection Procedure: 1. Ensure that the inverter is disconnected from all voltage sources (see Section 9, page 96). 2. Remove the sealing plug from the opening for connecting the switch for secure power supply operation. 3. Insert the cable gland into the opening and tighten it with the counter nut from the inside.

  • Page 60: Dc Connection

    6 Electrical Connection SMA Solar Technology AG Procedure: 1. Ensure that the inverter is disconnected from all voltage sources (see Section 9, page 96). 2. Remove the sealing plug from the opening for connecting the switch for secure power supply operation. 3. Insert the cable gland into the opening and tighten it with the counter nut from the inside.

  • Page 61: Connection Of Batteries With A Charging/Discharging Current Limit Of 10 A

    SMA Solar Technology AG 6 Electrical Connection • Connection of one single battery with a charging/discharging current limit of 30 A. In the following sections, you find detailed information as well as a wiring- and connection overview for each connection possibility.

  • Page 62: Connection Of Two Batteries With Different Charging/ Discharging Currents

    6 Electrical Connection SMA Solar Technology AG A+ B+ A− B− C− BAT 10 A BAT 10 A BAT 10 A DC-in AC-out ANT. FCC ID: SVF-KP20 IC: 9440A-KP20 D-IN Figure 18: Overview for connection of three batteries with a charging/discharging current limit of 10 A each 6.9.1.2 Connection of two batteries with different charging/...

  • Page 63: Connection Of A Battery With A Charging/Discharging Current Limit Of 30 A

    SMA Solar Technology AG 6 Electrical Connection The battery must be connected to the terminal blocks A+ and A-. A+ B+ A− B− C− BAT 20 A AC-out DC-in ANT. FCC ID: SVF-KP20 IC: 9440A-KP20 D-IN Figure 20: Overview for connection of one battery with a charging/discharging current limit of 20 A 6.9.1.4 Connection of a battery with a charging/discharging current...

  • Page 64: Connecting The Power Cable Of The Battery

    6 Electrical Connection SMA Solar Technology AG Cable requirements: ☐ Conductor cross-section: 2.5 mm² to 10 mm² ☐ Insulation stripping length: 12 mm ☐ The conductors must consist of copper. ☐ The conductors must be made of solid wire, stranded wire or fine stranded wire. When using fine stranded wire, bootlace ferrules must be used.
  • Page 65 SMA Solar Technology AG 6 Electrical Connection • If 2 conductors have to be connected to a grounding point, put both conductors between the washer and clamping bracket and tighten the screw (TX25, torque: 6 Nm ± 0.3 Nm). Here, each conductor must have contact with an inner edge of the clamping bracket.

  • Page 66: Commissioning

    7 Commissioning SMA Solar Technology AG Commissioning Commissioning Procedure This section describes the commissioning procedure and gives an overview of the steps you must perform in the prescribed order. Commissioning a product in SMA Energy Systems If the product is used in an SMA Energy System, the commissioning must be performed according to the manual of the SMA Energy System.

  • Page 67: Commissioning The Inverter

    SMA Solar Technology AG 7 Commissioning Procedure Configure the product and set country data set. Then the Section 8.12, page 88 product will begin operation. Make further inverter settings as needed. Section 8, page 72 Commissioning the Inverter WARNING Danger to life due to fire or explosion when batteries are fully discharged A fire may occur due to incorrect charging of fully discharged batteries.
  • Page 68 7 Commissioning SMA Solar Technology AG 3. Position the enclosure lid of the Connection Unit at an angle on the top edge, press down and tighten all 6 screws crosswise (TX25, torque: 3 Nm ± 0.3 Nm). 4. Switch on the AC circuit breaker.

  • Page 69: Selecting A Configuration Option

    SMA Solar Technology AG 7 Commissioning Selecting a configuration option After you have assigned the password for the user groups Installer and User and logged in as Installer, the Configuring the Inverter page opens. Figure 22: Layout of the Configuring the Inverter page...
  • Page 70 7 Commissioning SMA Solar Technology AG Configuration options: On the Configuring the Inverter page, different configuration options are available to choose from. Select one of the options and proceed for the selected option as described below. SMA Solar Technology AG recommends carrying out the configuration with the installation assistant. This way, you ensure that all relevant parameters are set for optimal inverter operation.
  • Page 71 SMA Solar Technology AG 7 Commissioning 4. Set the desired parameters. 5. Select [Save all]. ☑ The inverter parameters are set. Operating manual SBSxx-10-BE-en-16...

  • Page 72: Operation

    Web browser signals a security vulnerability After the IP address has been entered, a message might appear indicating that the connection to the user interface of the product is not secure. SMA Solar Technology AG guarantees the security of the user interface.
  • Page 73 SMA Solar Technology AG 8 Operation ☐ The respective latest version of one of the following web browsers must be installed on the smart device: Chrome, Edge, Firefox or Safari. ☐ JavaScript must be enabled in the web browser of the smart device.

  • Page 74: Establishing A Connection Via Ethernet In The Local Network

    8 Operation SMA Solar Technology AG Connection with WPS Requirement: ☐ The smart device must have a WPS function. Procedure: 1. Enable the WPS function on the inverter. To do this, tap twice on the enclosure lid of the Connection Unit.

  • Page 75: Establishing A Connection Via Wlan In The Local Network

    Web browser signals a security vulnerability After the IP address has been entered, a message might appear indicating that the connection to the user interface of the product is not secure. SMA Solar Technology AG guarantees the security of the user interface.

  • Page 76: Logging In And Out Of The User Interface

    8 Operation SMA Solar Technology AG ☐ The respective latest version of one of the following web browsers must be installed on the smart device: Chrome, Edge, Firefox or Safari. ☐ The installer's SMA Grid Guard code must be available to change network-relevant settings after the first 10 hours of feed-in operation, or after completing the installation assistant.
  • Page 77 SMA Solar Technology AG 8 Operation Procedure: 1. In the drop-down list Language, select the desired language. 2. In the Password field, enter a password for the User user group. 3. In the Repeat password field, enter the password again.

  • Page 78: Start Page Design Of The User Interface

    8 Operation SMA Solar Technology AG Start Page Design of the User Interface Figure 23: Design of the user interface's home page (example) SBSxx-10-BE-en-16 Operating manual...
  • Page 79 • Starting the installation assistant • SMA Grid Guard login • Logout Help Provides the following functions: • Displaying information on Open Source licenses used • Link to the website of SMA Solar Technology AG Operating manual SBSxx-10-BE-en-16...
  • Page 80 8 Operation SMA Solar Technology AG Position Designation Description Status bar Displays the following information: • Inverter serial number • Inverter firmware version • IP address of the inverter within the local network and/or IP address of the inverter during WLAN connection •...

  • Page 81: Displaying And Downloading The Stored Data

    SMA Solar Technology AG 8 Operation Position Designation Description State of charge Chronological sequence of the state of charge (SOC) of the battery This value may be different from the values that the battery provides. Only the value supplied by the inverter is used for this purpose.

  • Page 82: Starting The Installation Assistant

    8 Operation SMA Solar Technology AG 5. To call up the data, select the respective folder and click on the required file. 6. To download the data, select the data type to be exported in the drop-down list. Then apply the time filter and select Data export.

  • Page 83: Secure Power Supply Operation

    SMA Solar Technology AG 8 Operation 3. Select the menu User Settings (see Section 8.3, page 78) on the start page of the user interface. 4. In the context menu, select [Starting the installation assistant]. ☑ The installation assistant will open. Secure power supply operation If an electrical outlet and a switch for secure power supply operation are connected to the inverter, you can supply a load with energy from the battery in case of a grid failure.

  • Page 84: Enable Secure Power Supply Operation

    8 Operation SMA Solar Technology AG 8.6.1 Enable secure power supply operation To supply the loads with energy in the event of utility grid failure, you can enable the secure power supply operation as follows. To check the secure power supply operation, proceed as described in this section. Disable the secure power supply operation afterwards (see Section 8.6.2, page 84).

  • Page 85: Activate Wps Function

    SMA Solar Technology AG 8 Operation 3. To finish the check, set the parameter Backup box operating mode to Auto. 4. To disable the battery-backup operation, set the parameter Backup box operating mode to Off. The battery-backup operation is disabled until it is re-enabled manually. The battery- backup operation is enabled when it is set to Auto.

  • Page 86: Changing The Password

    8 Operation SMA Solar Technology AG The basic procedure for changing operating parameters is explained in another section (see Section 8.11, page 86). Switching WLAN Off If you would like to switch the WLAN function off completely, you must switch off both the direct connection and the connection in the local network.
  • Page 87 SMA Solar Technology AG 8 Operation This section describes the basic procedure for changing operating parameters. Always change operating parameters as described in this section. Some function-sensitive parameters can only be viewed by qualified persons and can only be changed by qualified persons by entering the personal SMA Grid Guard code. You can request the SMA Grid Guard code via the Online Service Center.

  • Page 88: Configuring The Country Data Set

    8 Operation SMA Solar Technology AG 8.12 Configuring the Country Data Set Change to the names and units of grid parameters to comply with the grid- connection requirements in accordance with Regulation (EU) 2016/631 (valid from April 27, 2019) To comply with the EU grid-connection requirements (valid from April 27, 2019) the names and units of grid parameters were changed.

  • Page 89: Configuring Battery And Automatic Transfer Switching Device

    SMA Solar Technology AG 8 Operation Activating unbalanced load limitation Depending on the country data set, unbalanced load limitation may have already been set. In this case, check the settings. • If there are single-phase PV inverters in the system and unbalanced load limitation is requested, set Unbalanced load limitation to [On] and enter the maximum permissible unbalanced load in the field Maximum unbalanced load.

  • Page 90: Disabling Battery Charging By Pv System In Battery-Backup Operation Mode

    8 Operation SMA Solar Technology AG 8.15 Disabling Battery Charging by PV System in Battery- Backup Operation Mode Depending on the state of charge in terms of battery and PV generation, it can happen that the battery-backup grid is interrupted for a few seconds in battery-backup operation mode during load changes and then restarts again.

  • Page 91: Activating The Receipt Of Control Signals (Only For Italy)

    SMA Solar Technology AG 8 Operation Procedure: • Activate the Modbus interface and adjust the communication ports if necessary (see the technical information "SMA and SunSpec Modbus® Interface" at www.SMA-Solar.com). 8.17 Activating the Receipt of Control Signals (Only for Italy) In order for PV systems in Italy to receive control commands from the grid operator, set the following parameters.

  • Page 92: Configuring The Energy Meter

    8 Operation SMA Solar Technology AG 8.19 Configuring the Energy Meter You can add an energy meter to your PV system or replace an existing energy meter. The basic procedure for changing operating parameters is explained in another section (see Section 8.11, page 86).

  • Page 93: Firmware Update

    SMA Solar Technology AG 8 Operation ☐ The SMA Grid Guard code must be available. You can request the SMA Grid Guard code via the Online Service Center. Procedure: 1. Open the user interface (see Section 8.1, page 72). 2. Log into the user interface as an Installer (see Section 8.2, page 76).

  • Page 94: Updating Firmware With Update File Via The User Interface

    8 Operation SMA Solar Technology AG In this section we describe how to activate the automatic firmware update in the inverter. The procedure for activating the automatic firmware update for detected devices in the communication product can be found in the manual for the communication product.

  • Page 95: Searching For And Installing New Firmware Via The User Interface

    SMA Solar Technology AG 8 Operation 2. Save the update file with the required firmware in the "UPDATE" folder on the USB flash drive. The update file is, for example, available for download on the product page of the inverter at www.SMA-Solar.com.

  • Page 96: Disconnecting The Inverter From Voltage Sources

    9 Disconnecting the Inverter from Voltage Sources SMA Solar Technology AG Disconnecting the Inverter from Voltage Sources Prior to performing any work on the product, always disconnect it from all voltage sources as described in this section. Always adhere to the prescribed sequence.

  • Page 97: Clean The Product

    SMA Solar Technology AG 10 Clean the product 10 Clean the product NOTICE Damage to the product due to cleaning agents The use of cleaning agents may cause damage to the product and its components. • Clean the product and all its components only with a cloth moistened with clear water.

  • Page 98: Troubleshooting

    11 Troubleshooting SMA Solar Technology AG 11 Troubleshooting 11.1 Forgotten Password Password assignment for inverters that are registered in a communication product The password for the user group Installer is also the system password for the system in the communication product. Changing the password of the user group Installer can lead to the inverter no longer being able to be reached by the communication product.

  • Page 99: Event Messages

    SMA Solar Technology AG 11 Troubleshooting 11.2 Event Messages Event number Message, cause and corrective measures Grid incident 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 100 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures Grid incident The ten-minute average value of the grid voltage is no longer within the per- missible range. The grid voltage or grid impedance at the connection point is too high.
  • Page 101 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures Grid incident The power frequency is not within the permissible range. The inverter has dis- connected from the utility grid. Corrective measures: • If possible, check the power frequency and observe how often fluctuations occur.
  • Page 102 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures Frequency not permitted > Check parameter The power frequency is not within the permissible range. The inverter has dis- connected from the utility grid. Corrective measures: • If possible, check the power frequency and observe how often fluctuations occur.
  • Page 103 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 1501 Reconnection fault grid The changed country data set or the value of a parameter you have set does not correspond to the local requirements. The inverter cannot connect to the utility grid.
  • Page 104 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 3601 High leakage current > Check PV array The leakage current of the inverter and the battery is too high. There is a ground fault, a residual current or a malfunction.
  • Page 105 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 3902 Generator voltage too low 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 106 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 6009 Data inconsistency Corrective measures: • If this message is displayed again, contact the Service. 6101 24 h watchdog test Corrective measures: • If this message is displayed again, contact the Service.
  • Page 107 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 6121 Watchdog DSP Processor defective. Corrective measures: • Contact the Service. 6155 Version test failed Processor defective. Corrective measures: • Contact the Service. 6202 DI converter fault Measurement error.
  • Page 108 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 6306 DC voltage measurement deviation Measurement error. Corrective measures: • Contact the Service. 6401 Sensor system insulation resistance Measurement error. Corrective measures: • Contact the Service. 6403...
  • Page 109 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 6406 Overcurrent input A (HW) 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 110 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 6411 Power unit Corrective measures: • If this message is displayed again, contact the Service. 6412 Overcurrent input C (HW) Corrective measures: • Check whether a new firmware version is available for the inverter and the battery.
  • Page 111 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 6501 Overtemperature interior Corrective measures: • Check whether the airflow is free of dirt. • Ensure that the ambient temperature does not exceed the maximum permissible temperatures.
  • Page 112 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 6604 Overvoltage intermediate circuit (SW) Corrective measures: • Check whether there is a new firmware version available for the inverter. If a newer version is available, perform the firmware update.
  • Page 113 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 6610 Battery overvoltage (SW limit) 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 114 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 6902 DC converter string B defective Corrective measures: • If this message is displayed again, contact the Service. 7001 Fault sensor interior temperature Measurement error. Corrective measures: •...
  • Page 115 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 7320 The device with serial number [xx] was successfully updated to firmware version [xx]. 7324 Wait for update conditions The testing of the update conditions was not successful. The firmware update package is not suitable for this inverter.
  • Page 116 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 7340 Update communication failed 7347 Incompatible file The configuration file is not suitable for this inverter. Corrective measures: • Ensure that the selected configuration file is suitable for this inverter.
  • Page 117 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 7354 Update of time zone database not successful The update of the time zone database failed. Corrective measures: • Retry update. • If this message is displayed again, contact the Service.
  • Page 118 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 7360 Update BUC failed Corrective measures: • Ensure that the communication between SMA Backup Unit Controller and the inverter functions perfectly. • Ensure that the cable requirements of the communication cable for the communication between the SMA Backup Unit Controller and the inverter have been met.
  • Page 119 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 7624 Communication to battery interface module disrupted The communication between the inverter and the battery interface module on the communication assembly is disrupted. Corrective measures: • Ensure that the ribbon cable is in perfect condition and securely in place.
  • Page 120 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 8101 Main memory defective Corrective measures: • If this message is displayed again, contact the Service. 8102 Code memory defective Corrective measures: • If this message is displayed again, contact the Service.
  • Page 121 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 8709 Timeout in communication for reactive power setpoint Communication to the system control absent. Depending on the fallback set- ting, 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 122 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 9007 Abort self-test The self-test was terminated. Corrective measures: • Restart the self-test. 9202 SPS AC overvoltage An AC source has been connected to the outlet for secure power supply oper- ation.
  • Page 123 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 9205 AC overvoltage backup (slow) Voltage in the battery-backup grid too high or step changes in load too high in the battery-backup grid. Corrective measures: • Check whether there is a new firmware version available for the inverter.
  • Page 124 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 9214 Black start battery voltage too low The service life of the backup battery has expired. The backup battery must be replaced when you want to use the black start for the battery-backup function or the secure power supply operation.
  • Page 125 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 9219 Battery interface module output communication error |xx| |xx| Corrective measures: • Ensure that only one node each is connected to the terminal for the communication cables of the battery and the automatic transfer switching device.
  • Page 126 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 9306 Deviation in battery voltage Corrective measures: • Check the DC connection. • If this message is displayed again, contact the Service (see Section 15, page 146). 9307 Battery system defective Corrective measures: •...
  • Page 127 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 9315 Battery imbalancing fault Corrective measures: • Contact the battery manufacturer. 9316 Internal battery hardware fault Corrective measures: • Contact the battery manufacturer. 9334 Battery charging test The battery test for charging the battery is carried out.
  • Page 128 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 9345 Battery charging for start process too low Corrective measures: • Contact the battery manufacturer. 9346 Battery not configured Corrective measures: • Start the installation assistant on the inverter user interface and perform the battery configuration.
  • Page 129 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 9354 Battery system heating procedure unsuccessful Corrective measures: • Check whether there is a new firmware version available for the battery. If a newer version is available, perform the firmware update.
  • Page 130 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 10248 |tn4|: network busy The network is busy. Data exchange between the devices is not at an optimum and is greatly delayed. Corrective measures: • Reduce the number of devices in the network.
  • Page 131 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 10252 [Interface]: communication disrupted There is no valid signal on the network line. Corrective measures: • Ensure that with an Ethernet connection, the network cable and the network connector are not damaged and that the network connectors are correctly plugged.
  • Page 132 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 10282 [User group]-Login via [protocol] locked After several incorrect login attempts, login has been blocked for a limited time. In this case, the User login will be blocked for 15 minutes, the Grid Guard login for 12 hours.
  • Page 133 SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 10340 Webconnect disabled The Webconnect function has been switched off. This means that the inverter can not communicate with Sunny Portal without an additional SMA communi- cations product (e.g. Sunny Data Manager).
  • Page 134 11 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 27107 Update file OK The update file is suitable for this inverter and its components and is fully avail- able for the next update step. 27108 Memory card is being read The storage medium is being read.

  • Page 135: Problems With Streaming Services

    SMA Solar Technology AG 11 Troubleshooting Event number Message, cause and corrective measures 29253 Input power for backup too low The battery's state of charge is insufficient to supply the loads in the battery- backup grid. 29254 Input power for SPS too low The battery's state of charge is insufficient to supply the loads in secure power supply operation.

  • Page 136: Decommissioning The Inverter

    12 Decommissioning the Inverter SMA Solar Technology AG 12 Decommissioning 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 137 SMA Solar Technology AG 12 Decommissioning the Inverter 5. Remove all connection cables from the jacks located on the battery interface module. 6. Remove all equipment grounding conductors from the equipment grounding terminals. To do this, loosen each screw (TX 25), remove the equipment grounding conductor from the inverter and retighten each screw (TX 25).
  • Page 138 12 Decommissioning the Inverter SMA Solar Technology AG 14. Connect the Connection Unit to the Power Unit. Make sure that the screw holes on the left and right sides of the Power Unit are directly over those of the Connection Unit; and the cables protruding from the Power Unit must not be pinched.

  • Page 139: Procedure For Receiving A Replacement Device

    Under fault conditions, the product 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 140 13 Procedure for Receiving a Replacement Device SMA Solar Technology AG 11. To reuse the saved configuration data of the defective inverter, load it from the respective file (see Section 8.21, page 92). 12. If the defective inverter had been registered by a communication product, replace it with the new product in the communication product.

  • Page 141: Technical Data

    SMA Solar Technology AG 14 Technical Data 14 Technical Data AC terminal SBS3.7-10 SBS5.0-10 SBS6.0-10 Rated power at 230 V, 3680 W 5000 W 6000 W 50 Hz Voltage range 172.5 V to 264.5 V 172.5 V to 264.5 V 172.5 V to 264.5 V Nominal grid voltage 230 V 230 V 230 V Rated current at 220 V...
  • Page 142 14 Technical Data SMA Solar Technology AG SBS3.7-10 SBS5.0-10 SBS6.0-10 Power factor at rated power Displacement power 0.8 overexcited to 1 to 0.8 overexcited to 1 to 0.8 overexcited to 1 to factor cos φ, adjustable 0.8 underexcited 0.8 underexcited 0.8 underexcited Feed-in phases...
  • Page 143 SMA Solar Technology AG 14 Technical Data Maximum output current 16 A Minimum load Protective Devices DC reverse polarity protection Available Input-side disconnection point Not available AC short-circuit current capability Current control Ground fault monitoring Available Grid monitoring SMA Grid Guard 10.0 Maximal output overcurrent protection 40 A...
  • Page 144 14 Technical Data SMA Solar Technology AG Additional data volume when using the 600 kB/hour Sunny Portal live interface Power control / Demand response (DRED) Communication via Modbus interface Demand Response Mode DRM0 Topology Transformerless (Non-isolated) Cooling method Convection Degree of protection in accordance with IP65 IEC 60529...
  • Page 145 SMA Solar Technology AG 14 Technical Data Torques Screw M5x60 for securing the inverter to the 1.7 Nm ± 0.3 Nm wall mounting bracket Screws for attaching the enclosure lid of the 3 Nm ± 0.3 Nm Connection Unit Screws for grounding on the grounding termi- 6 Nm ±...

  • Page 146: Contact

    15 Contact SMA Solar Technology AG 15 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: • Battery inverter: – Device type –...

  • Page 147: Eu Declaration Of Conformity

    (L 174/88, June 8, 2011) and 2015/863/EU (L 137/10, March 31, 2015) (RoHS) SMA Solar Technology AG confirms herewith that the products described in this document are in compliance with the fundamental requirements and other relevant provisions of the above- mentioned directives. The entire EU Declaration of Conformity can be found at www.SMA- Solar.com.

  • Page 148: Declaration Of Conformity

    • The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012 SMA Solar Technology AG confirms herewith that the products described in this document are in compliance with the fundamental requirements and other relevant provisions of the above- mentioned regulations.
  • Page 150 www.SMA-Solar.com...

This manual is also suitable for:

Sunny boy storage 5.0Sunny boy storage 6.0Sbs3.7-10Sbs5.0-10Sbs6.0-10

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