SMA COMMERCIAL STORAGE SOLUTION 30 System Manual
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SMA COMMERCIAL STORAGE SOLUTION 30 System Manual

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System Manual
SMA COMMERCIAL STORAGE SOLUTION 30 / 50
ESSX-30-20 / ESSX-50-20
ENGLISH
ESSX-20-SH-en-10 | Version 1.0

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Summary of Contents for SMA COMMERCIAL STORAGE SOLUTION 30

  • Page 1 System Manual SMA COMMERCIAL STORAGE SOLUTION 30 / 50 ESSX-30-20 / ESSX-50-20 ENGLISH ESSX-20-SH-en-10 | Version 1.0...
  • Page 2 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 3: Table Of Contents

    Sunny Tripower Storage as System Manager ....................32 5.4.2 User Interface ..............................32 5.4.3 SMA Speedwire.............................. 32 5.4.4 Wi-Fi connection to SMA 360° app and SMA Energy app ............... 33 5.4.5 Device Key (DEV KEY)............................ 33 5.4.6 Modbus ................................33 5.4.7 Grid Management Services ...........................
  • Page 4 Table of contents SMA Solar Technology AG Transporting the battery......................40 Mounting and Preparing the Connection .................. 42 Requirements for Mounting..........................42 7.1.1 Product Mechanical Data..........................42 7.1.2 Installation Plans.............................. 42 7.1.3 Requirements for the mounting location of the inverter................. 45 7.1.4...
  • Page 5 10.4.3 Direct connection via Wi-Fi..........................105 10.4.3.1 Information on Direct Connection via Wi-Fi....................105 10.4.3.2 Wi-Fi Connection via SMA 360° App ......................105 10.4.3.3 Wi-Fi Connection via WPS ..........................105 10.4.3.4 Wi-Fi Connection via Device-specific Wi-Fi Password (WPA2-PSK) ............106 10.5 Design of the User Interface..........................106...
  • Page 6 Table of contents SMA Solar Technology AG 10.8 Energy management ............................109 10.8.1 Home page of the energy management ....................... 109 10.8.2 Overview of used energy management profiles ................... 110 10.8.3 Parameter description for peak load shaving ....................110 10.8.4 Creating a new energy management profile ....................111 10.8.5...
  • Page 7 SMA Solar Technology AG Table of contents 14.2 Inverter Event Messages ..........................133 14.3 Battery Event Messages ..........................152 14.4 Replacing the Surge Arrester ..........................167 14.5 Cleaning the fans of the inverter........................168 15 Decommissioning ......................... 171 15.1 Disconnect the terminals on the inverter......................171 15.2 Disconnecting the Connections on the Battery ....................173...

  • Page 8: Information On This Document

    This document describes the mounting, installation, commissioning, configuration, operation, troubleshooting and decommissioning of the product as well as the operation of the product user interface. You will find the latest version of this document and further information on the product in PDF format at www.SMA- Solar.com.

  • Page 9: Symbols In The Document

    SMA Solar Technology AG 1 Information on this Document Symbols in the Document Icon Explanation Information that is important for a specific topic or goal, but is not safety-relevant Indicates a requirement for meeting a specific goal ☐ Required result ☑...

  • Page 10: Explanation Of Used Terms

    Title and information content Type of information "PUBLIC CYBER SECURITY - Guidelines for a Secure PV System Communication" Technical Information "SMA GRID GUARD 10.0 - Grid Management Services via Inverter and System Technical Information Controller" "Efficiency and Derating" Technical Information Efficiency and derating behavior of the SMA inverters "SMA Modbus®...
  • Page 11 Title and information content Type of information "SMA DATA MANAGER M" Operating manual "System Configuration - SMA Commercial Storage Solution" Technical Information Overview of permitted system configurations within the SMA Commercial Stor- age Solution (available in English only) System Manual ESSX-20-SH-en-10...

  • Page 12: Safety

    All components must remain within their permitted operating ranges and their installation requirements at all times. The product must only be used in countries for which it is approved or released by SMA Solar Technology AG and the grid operator.

  • Page 13: 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 14 2 Safety SMA Solar Technology AG DANGER Danger to life due to electric shock when live components are touched because the battery grounding is connected to grounding conductor terminals Due to the connection of the battery grounding to the grounding conductor terminals, high voltages might be present on the enclosure of the inverter.
  • Page 15 SMA Solar Technology AG 2 Safety DANGER Danger to life due to electric shock due to touching live parts of the battery modules A high voltage is present at the DC terminals of each battery module. When the DC cables are installed within the battery cabinet, the DC voltages of the individual battery modules add up.
  • Page 16 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 17 SMA Solar Technology AG 2 Safety CAUTION Risk of injury due to the weight of the inverter Injuries may result if the inverter is lifted incorrectly or dropped while being transported or when mounting it to the wall mounting bracket.
  • 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 inverter and battery, thus impairing their functionality. • Only open the inverter and battery cabinet if the humidity is within the thresholds and the environment is free of sand and dust.
  • Page 19 SMA Solar Technology AG 2 Safety NOTICE Damage to the battery due to short circuit Incorrect assembly of the DC cables can trigger a short circuit. High currents due to short circuit lead to damage to the battery modules or battery management system.

  • Page 20: Scope Of Delivery

    3 Scope of Delivery SMA Solar Technology AG 3 Scope of Delivery Overview of the Scope of Delivery Check the scope of delivery for completeness and any externally visible damage. Contact the Service if the delivery is incomplete or damaged. Never commission the battery if components are damaged.
  • Page 21 SMA Solar Technology AG 3 Scope of Delivery Figure 1: Components included in scope of delivery Position Quantity Designation Inverter Mounting template Wall mounting bracket Button head screw M8x25 Carry handle M10x40 combination hexagon head screw Washer M10 Hex nut M10...

  • Page 22: Scope Of Delivery Of The Battery Cabinet

    3 Scope of Delivery SMA Solar Technology AG Position Quantity Designation Cable gland and counter nut M32x1.5 M32x1.5 cable gland and counter nut with two-hole seal insert and two sealing plugs Quick reference guide with password label on the rear side The label contains the following information: •...

  • Page 23: Scope Of Delivery Of The Battery Management System

    SMA Solar Technology AG 3 Scope of Delivery Position Quantity Designation Cage nut tool Eye bolt (for optionally transporting the cabinet with a crane) Cable clamp clip Double-bit key Scope of Delivery of the Battery Management System Check the scope of delivery for completeness and any externally visible damage. Contact the Service if the delivery is incomplete or damaged.

  • Page 24: Accessory Kit For Battery

    3 Scope of Delivery SMA Solar Technology AG Accessory Kit for Battery Check the scope of delivery for completeness and any externally visible damage. Contact the Service if the delivery is incomplete or damaged. Never commission the battery if components are damaged.
  • Page 25 SMA Solar Technology AG 3 Scope of Delivery Position Quantity Designation Type label Quick reference guide for SMA Commercial Storage APU connector set Position Quantity Designation DC cable (with two red connectors) DC cable (with two black connectors) Communication cable...

  • Page 26: Optional: Scope Of Delivery Of The Dc Distributor

    3 Scope of Delivery SMA Solar Technology AG Optional: Scope of Delivery of the DC Distributor Check the scope of delivery for completeness and any externally visible damage. Contact the Service if the delivery is incomplete or damaged. Figure 6: Components included in scope of delivery...

  • Page 27: Additionally Required Materials And Equipment

    SMA Solar Technology AG 4 Additionally Required Materials and Equipment 4 Additionally Required Materials and Equipment Material or equipment Quantity Explanation Screws suitable for the inverter mounting For attaching the wall mounting bracket to the inverter base mounting base Washers suitable for the inverter mounting...
  • Page 28 4 Additionally Required Materials and Equipment SMA Solar Technology AG Material or equipment Quantity Explanation 8 mm hexagonal socket (recommended mini- Used to assemble and disassemble pan head screws in mum length: 120 mm) the battery cabinet cover when replacing them with eye...

  • Page 29: Product Overview

    The System Manager also takes over system monitoring and communication to the Sunny Portal powered by ennexOS. For Sunny Tripower Storage X 30: SMA Commercial Storage 30 (Storage-30-20) For Sunny Tripower Storage X 50: SMA Commercial Storage 50 (Storage-50-20) Battery cabinet with battery management system: The battery management system contains the necessary all-pole fuse protection for one battery cabinet.

  • Page 30: System Overview

    Optional: SMA Data Manager M (EDMM-10) Data logger for monitoring and controlling the system. In systems with more than ten devices, the SMA Data Manager performs the role of the System Manager. System overview 5.2.1 Sunny Tripower Storage X as System Manager...

  • Page 31: Sunny Tripower Storage X With Sma Data Manager M

    SMA Solar Technology AG 5 Product Overview 5.2.2 Sunny Tripower Storage X with SMA DATA MANAGER M Figure 9: In preparation: Sunny Tripower Storage X with SMA DATA MANAGER M as System Manager (example) Design of the Inverter Figure 10: Design of the inverter Position...

  • Page 32: Interfaces And Functions Of The Inverter

    • Wi-Fi password WPA2-PSK (WiFi Protected Access 2 - Preshared Key) for direct connection to the product via Wi-Fi Label with QR Code for scanning via the SMA 360° App and easy connection to the in- verter's user interface via WLAN Interfaces and Functions of the Inverter 5.4.1...

  • Page 33: Wi-Fi Connection To Sma 360° App And Sma Energy App

    Wi-Fi connection to SMA 360° app and SMA Energy app There is a QR code on the product by default. 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 34: Peak Load Shaving

    Error Inverter operation has been stopped. In addition, a distinct event message and the corresponding event number will be displayed on the inverter user interface or in the communication product (e.g. SMA Data Manager). Red LED is flashing (0.25 s on, Warning 0.25 s off, 0.25 s on, 1.25 s off) Communication with a higher-level plant controller has failed.

  • Page 35: Symbols On The Inverter

    SMA Solar Technology AG 5 Product Overview LED signal Explanation The blue LED is glowing There is an active connection with a local network (Ethernet/Wi-Fi) or there is a direct connection (Ethernet/Wi-Fi) with an end device (e.g. computer, tablet PC or smartphone).

  • Page 36: Design Of The Battery Cabinet

    5 Product Overview SMA Solar Technology AG Icon Explanation The product is suitable for outdoor installation. Degree of protection IP65 The product is protected against the penetration of dust and water that is directed as a jet against the enclosure from all directions.

  • Page 37: Modular Extension Of The Battery

    The storage system can be extended in terms of the charging and discharging capacity by connecting a number of Sunny Tripower Storage X systems to an SMA Data Manager M via a local network. Observe the system limits of the Sunny Tripower Storage X.

  • Page 38: Symbols On The Battery

    5 Product Overview SMA Solar Technology AG LED signal Explanation LED flashing slowly Battery is in commissioning mode (INIT). Battery is not connected to the inverter. LED flashing quickly Battery is in precharging mode (PRECH). 5.10 Symbols on the battery...
  • Page 39 SMA Solar Technology AG 5 Product Overview Icon Explanation Eye rinsing In case of contact with spilled electrolyte, rinse off the electrolyte immediately. If spilled elec- trolyte gets into the eye, rinse the affected eye immediately with lots of water. Rinse under the eyelids as well.

  • Page 40: Transporting The Battery

    6 Transporting the battery SMA Solar Technology AG 6 Transporting the battery This section contains safety information that must be observed at all times when transporting the battery. WARNING Risk of injury due to the weight of the battery components Injuries may result if the battery components are lifted incorrectly or dropped while being transported or installed.
  • Page 41 SMA Solar Technology AG 6 Transporting the battery ☐ The outer packaging of the battery module must not be opened during transport. Also see: • Storage ⇒ page 182 System Manual ESSX-20-SH-en-10...

  • Page 42: Mounting And Preparing The Connection

    7 Mounting and Preparing the Connection SMA Solar Technology AG 7 Mounting and Preparing the Connection Requirements for Mounting 7.1.1 Product Mechanical Data Product Dimensions Weight Operating temper- ature Inverter: STPS30-20 1150 mm x 850 mm x 630 mm 97 kg -25°C to +60°C 104 kg...
  • Page 43 SMA Solar Technology AG 7 Mounting and Preparing the Connection Figure 13: Example for installation of a system with one battery cabinet The standard system configuration uses cable lengths of 5 m. Position Battery cabinet Battery inverter System Manual ESSX-20-SH-en-10...
  • Page 44 7 Mounting and Preparing the Connection SMA Solar Technology AG Figure 14: Example for installation of a system with four battery cabinets Position Battery cabinet DC distributor Battery inverter In a system configuration with a number of battery cabinets, it is recommended to install the DC distributor centrally between the battery cabinets so that the DC cables to each battery cabinet can be kept as short as possible and the same length.

  • Page 45: Requirements For The Mounting Location Of The Inverter

    SMA Solar Technology AG 7 Mounting and Preparing the Connection 7.1.3 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 46: Inverter Mounting Dimensions

    7 Mounting and Preparing the Connection SMA Solar Technology AG 7.1.5 Inverter Mounting Dimensions 757 (29.8) 695 (27.4) 772 (30.4) 445 (17.5) 495 (19.5) Figure 16: Position of the anchoring points (dimensions in mm (in)) 7.1.6 Recommended Inverter Mounting Clearances...

  • Page 47: Requirements For The Battery Installation Site

    SMA Solar Technology AG 7 Mounting and Preparing the Connection 7.1.7 Requirements for the Battery Installation Site 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 48: Recommended Battery Mounting Clearances

    7 Mounting and Preparing the Connection SMA Solar Technology AG Figure 19: Storage-50-20: Battery cabinet mounting dimensions 7.1.9 Recommended Battery Mounting Clearances Figure 20: Recommended battery cabinet clearances 7.1.10 Requirements for the Temperature and Humidity Sensor Installation Site WARNING Danger to life due to fire or explosion Despite careful construction, electrical devices can cause fires.

  • Page 49: Inverter Connecting Plate

    Figure 22: Dimensions of the center of gravity of the product (dimensions in mm (in)) Mounting Procedure This section describes the procedure for mounting the components of an SMA Commercial Storage Solution. It provides an overview of the steps, which must be performed in the prescribed sequence.

  • Page 50: Mounting The Inverter

    7 Mounting and Preparing the Connection SMA Solar Technology AG Procedure Mount the supplied temperature and humidity sen- See manual for the temperature and humidity sensor Mount the supplied energy meter See manual for the energy meter Mount the supplied DC distributor Section 7.7, page 58...

  • Page 51: Mounting The Inverter

    SMA Solar Technology AG 7 Mounting and Preparing the Connection 6. Thread the swivel nuts of the cable glands over the cables. 7. Attach the cable glands to the connecting plate. 8. Remove the mounting template. 9. Mount the product (see Section 7.5.2, page 51).
  • Page 52 7 Mounting and Preparing the Connection SMA Solar Technology AG Requirements: • Mounting and connection are prepared (see Section 7.5.1, page 50). Procedure: 1. Screw the transport handles as far as they will go into the tapped holes on the right- and left-hand side until they lie flush with the enclosure.
  • Page 53 SMA Solar Technology AG 7 Mounting and Preparing the Connection 7. Hook the product into the wall mounting bracket. To do this, guide the product over the cables and the connecting plate so that the cables protrude through the opening into the product and the connecting plate sits under the opening.

  • Page 54: Mounting The Battery

    7 Mounting and Preparing the Connection SMA Solar Technology AG 10. Fasten the connecting plate to the enclosure using three screws (M8x70, TX40, torque: 8 Nm ± 0.5 Nm). Also see: • Inverter Center of Gravity ⇒ page 49 Mounting the Battery 7.6.1 Positioning the battery cabinet Additionally required mounting material (not included in the scope of delivery): ☐...

  • Page 55: Installing The Battery Management System

    Touching live parts and cables results in death or lethal injuries due to electric shock. • Earth the battery cabinet. • Earth the battery management system during installation. Performing system registration To complete commissioning, a system registration must be performed • Use the following link for the system registration: https://my.sma-service.com/. System Manual ESSX-20-SH-en-10...
  • Page 56 7 Mounting and Preparing the Connection SMA Solar Technology AG Procedure: 1. Before mounting the battery management system, record its serial number in the commissioning report. The serial number can be found on a label on the bottom of the battery management system.

  • Page 57: Installing The Battery Modules

    Performing system registration To complete commissioning, a system registration must be performed • Use the following link for the system registration: https://my.sma-service.com/. Procedure: 1. Before mounting the battery modules, record their serial numbers in the commissioning report. The serial numbers can be found on labels on the bottom of the battery modules.

  • Page 58: Mounting The Dc Distributor

    7 Mounting and Preparing the Connection SMA Solar Technology AG 6. Determine the lowermost mounting level for inserting the first battery module. Note that the battery modules are mounted one below the other in the battery cabinet. The final battery module is mounted directly under the battery management system.
  • Page 59 SMA Solar Technology AG 7 Mounting and Preparing the Connection Additionally required mounting material (not included in the scope of delivery): ☐ Four screws, washers and fastening material suitable for the support surface Procedure: 1. Pick a suitable position for mounting the DC distributor. Take the minimum clearances specified in the installation plan and the length of the supplied DC cables into account.

  • Page 60: Electrical Connection

    DC distributor must be installed. DC+ cable DC– cable Line conductor Neutral conductor Grounding conductor For commissioning only Figure 23: SMA Commercial Storage Solution with one battery inverter and one battery cabinet (example) ESSX-20-SH-en-10 System Manual...

  • Page 61: Wiring Overview With Two Battery Inverters

    DC distributor must be installed. DC+ cable DC– cable Line conductor Neutral conductor Grounding conductor For commissioning only Figure 24: SMA Commercial Storage Solution with two battery inverters and one battery cabinet each (example) System Manual ESSX-20-SH-en-10...

  • Page 62: Connecting The Battery Via A Dc Distributor

    500 mA or higher (for information on selecting a residual-current device, see Technical Information "Criteria for Selecting a Residual-Current Device" under www.SMA-Solar.com). Each inverter in the system must be connected to the utility grid via a separate residual-current device.

  • Page 63: Overvoltage Category

    In case of installations with long outdoor cabling routes, additional measures to reduce overvoltage category IV to overvoltage category III are required (see the Technical Information "Overvoltage Protection" at www.SMA-Solar.com). 8.4.3 AC cable requirements ☐...

  • Page 64: Laying Plan For Network And Battery Data Cables

    8 Electrical Connection SMA Solar Technology AG 8.4.6 Laying plan for network and battery data cables Figure 26: Interior view of the inverter with laying plan for network cables / battery data cables Also see: • Overview of the Connection Area ⇒ page 66 8.4.7...

  • Page 65: Electrical Connection Procedure

    In systems with more than one battery cabinet: Set the Section 9.4.5, page 94 address and terminator on the battery management sys- tem. Connect the energy meter. See manual for the energy meter Optional: Connect the SMA Data Manager. See operating manual for the SMA Data Manager M System Manual ESSX-20-SH-en-10...

  • Page 66: Connecting The Inverter

    8 Electrical Connection SMA Solar Technology AG Connecting the Inverter 8.6.1 Overview of the Connection Area Figure 27: Connection areas in the interior of the product Position Designation Optional connection for additional grounding or equipotential bonding The two bolt and washer assemblies M6x16 supplied are provided for this connection.

  • Page 67: Dc Connection Overview

    SMA Solar Technology AG 8 Electrical Connection 8.6.2 DC connection overview 1 DC-Kabel 2 DC-Kabel Figure 28: DC connection overview Position Designation DC cable with tin-plated copper terminal lugs (installed in the product) M10x40 combination hexagon head screw (AF16) Washer M10...

  • Page 68: Connecting The Network Cables

    8 Electrical Connection SMA Solar Technology AG 6. For conductors made of aluminum, remove any oxide film and apply protective grease to the conductors. 7. Connect PE, N, L1, L2 and L3 to the terminals according to the label. To do so, position each conductor as far as they will go into the corresponding terminal and tighten the screw of the terminal (hex socket AF 5, torque for a conductor cross-section of 16 mm²...
  • Page 69 SMA Solar Technology AG 8 Electrical Connection 2. Unscrew the swivel nut from the cable gland. 3. Thread a swivel nut over each network cable. 4. Remove the two-hole cable support sleeve from the cable gland. 5. For each network cable, remove one of the plugs from the enclosure openings and for each network cable cut an enclosure opening with a utility knife.
  • Page 70 8 Electrical Connection SMA Solar Technology AG 7. Press the 2-hole cable support sleeve into the cable gland and guide each network cable to the network port. Lay each cable according to the installation plan and attach it to the brackets.

  • Page 71: Connecting The Data Cable Of The Battery

    SMA Solar Technology AG 8 Electrical Connection 13. Tighten the swivel nut on the cable gland hand-tight. This will secure the network cables in place. 14. If the product is installed outdoors, install overvoltage protection for all components in the network.
  • Page 72 8 Electrical Connection SMA Solar Technology AG 2. When cover of the enclosure is closed: unscrew the screw on the cover of the enclosure (hex socket, AF10) and remove the cover of the enclosure. 3. Unscrew the swivel nut from the cable gland.
  • Page 73 SMA Solar Technology AG 8 Electrical Connection 8. Press the cable support sleeve into the 2-hole cable gland and guide the battery data cable to the socket BAT ETH. Lay the battery data cable according to the installation plan and attach it to the brackets.

  • Page 74: Connecting The Dc Cables

    8 Electrical Connection SMA Solar Technology AG 8.6.6 Connecting the DC Cables NOTICE Damage to the product due to ground fault on DC side during operation Due to the transformerless topology of the product, the occurrence of ground faults on DC side during operation can lead to irreparable damage.

  • Page 75: Connecting The Battery

    SMA Solar Technology AG 8 Electrical Connection 10. Connect the DC cables with each other. To do this, insert the screw and washer assembly (M10x40) from behind through the round holes in the terminal lugs and tighten it from the front with the washer (M10) and the hex nut (AF16, torque: 24 Nm ±...
  • Page 76 8 Electrical Connection SMA Solar Technology AG Position Designation APU Fuse (F1): Fuse element for protecting the battery management system Operation is not possible if the fuse is defective. DISPLAY: Display for information, warnings, and errors SWITCH: On/off locking button on the battery management system...

  • Page 77: Connection Area Of A Battery Module

    SMA Solar Technology AG 8 Electrical Connection 8.7.2 Connection Area of a Battery Module Figure 30: Connections on a battery module Position Designation – POL Minus-Pol: DC connection (black) COMM IN: Battery communication (input), 8-pole COMM OUT: Battery communication (output), 6-pole...

  • Page 78: Wiring Of The Battery Modules

    8 Electrical Connection SMA Solar Technology AG 8.7.3 Wiring of the Battery Modules Figure 31: Wiring of the battery modules within the battery cabinet (example with ten battery modules) Position Designation DC cable for connecting the battery management system (BATTERY-) to the lowermost bat-...

  • Page 79: Overview Of Cable Entries

    SMA Solar Technology AG 8 Electrical Connection 8.7.4 Overview of Cable Entries Figure 32: Cable entries in the battery cabinet Position Designations Brush openings in battery cabinet cover Brush openings in both battery cabinet side panels Brush openings in battery cabinet rear panel...

  • Page 80: Communication Connection

    8 Electrical Connection SMA Solar Technology AG Procedure: • Connect the supplied grounding cable to the battery cabinet grounding point (hexagon socket, AF13, torque: 8 Nm). Also see: • Design of the Battery Cabinet ⇒ page 36 • Installing the battery management system ⇒ page 55 8.7.6 Communication Connection 8.7.6.1...

  • Page 81: Connecting The Battery Communication System To The Inverter

    SMA Solar Technology AG 8 Electrical Connection • Connection Area of the Battery Management System ⇒ page 75 • Connection Area of a Battery Module ⇒ page 77 • Wiring of the Battery Modules ⇒ page 78 8.7.6.2 Connecting the battery communication system to the inverter Optionally, the battery communication system can be routed to the inverter via the supplied switch. This simplifies the connection of a service PC to the battery monitoring software BatMon, for example.

  • Page 82: Connecting The Dc Cables

    8 Electrical Connection SMA Solar Technology AG 4. Plug the second connector of this communication cable on the battery management system of the second secondary battery cabinet into the CAN IN socket. 5. If there is a third secondary battery cabinet, plug the first connector of the last communication cable from the supplied accessory kit of the DC distributor on the battery management system of the second secondary battery cabinet into the CAN OUT socket.

  • Page 83: Connecting Dc Cables Within The Battery Cabinet

    SMA Solar Technology AG 8 Electrical Connection 8.7.7.2 Connecting DC Cables within the Battery Cabinet 1. Plug a connector of the supplied black DC cable from the APU connector set into the BATTERY- socket on the battery management system. The locking lever on the socket must engage audibly with the connector.

  • Page 84: Routing Dc Cables To The Inverter Or Dc Distributor In The Battery Cabinet

    8 Electrical Connection SMA Solar Technology AG 7. Plug the red connector of this DC cable into the +POL socket on the next battery module. Lay the DC cable over the communication cable and do not cover the ventilation slots in the fan housing.

  • Page 85: Connecting Dc Cables To The Inverter Or Dc Distributor In The Battery Cabinet

    SMA Solar Technology AG 8 Electrical Connection • Overview of Cable Entries ⇒ page 79 • Safety when Connecting the DC Cables ⇒ page 82 • Connection Area of the Battery Management System ⇒ page 75 • Accessory Kit for Battery ⇒ page 24 8.7.7.4 Connecting DC Cables to the Inverter or DC Distributor in the Battery Cabinet 1.

  • Page 86: Connecting The Dc Distributor

    8 Electrical Connection SMA Solar Technology AG Connecting the DC Distributor 8.8.1 Connection Area of the DC Distributor Figure 34: Overview of the connection area Position Designation X3: Connection cable to the battery cabinet DC- X4: Connection cable to the battery cabinet DC+...
  • Page 87 SMA Solar Technology AG 8 Electrical Connection 10. Tighten the cable glands of all DC cables (torque: 20 Nm). 11. Ensure that all conductors are securely in place. 12. Ensure that the circuit breaker of the DC distributor is switched on.

  • Page 88: Commissioning

    SMA Solar Technology AG 9 Commissioning Commissioning Procedure This section describes the procedure for commissioning the SMA Commercial Storage Solution without System Manager (e.g., SMA Data Manager). It provides an overview of the steps, which must be performed in the prescribed sequence.

  • Page 89: Checking The Mounting And Connection Work

    SMA Solar Technology AG 9 Commissioning Procedure Perform the configuration with the help of the instal- Section 9.3.3, page 91 lation assistant. Make the following settings: • Administrator registration • Device configuration (device name, device function) • Adding devices (e.g., energy meter, PV inverter) •...

  • Page 90: Commissioning The Inverter

    9 Commissioning SMA Solar Technology AG Also see: • Connecting the Inverter ⇒ page 66 • Defaults for Addresses and Terminators ⇒ page 93 Commissioning the Inverter 9.3.1 Commissioning the Inverter Requirements: ☐ The AC circuit breaker must be correctly rated and mounted. ☐ The inverter must be correctly mounted.

  • Page 91: Changing The Network Configuration

    On the welcome page, you can change the network configuration. The automatic network configuration recommended by SMA Solar Technology AG via DHCP server is activated by default. Only change the network configurations if the default configuration is not suitable for your network.

  • Page 92: Commissioning The Battery

    9.4.2 CMV Measurement To guarantee the safe and stable operation of an SMA Commercial Storage Solution storage system, the CMV requirements must be met (CMV: common-mode voltage, voltage between DC pole and ground). In storage systems with more than four Sunny Tripower Storage X inverters, a CMV measurement must be performed and the results recorded in the commissioning report (see system registration at www.SMA-Solar.com).

  • Page 93: Setting Option For Address And Terminator

    Service. You must therefore contact Service to make an appointment if SMA Commercial Storage Solution storage systems with more than four Sunny Tripower Storage X inverters are to be commissioned.

  • Page 94: Setting The Address And Terminator

    The address and terminator only need to be set on the battery management system in systems with more than one battery cabinet. Always set the address and terminator as described in this section. Performing system registration To complete commissioning, a system registration must be performed • Use the following link for the system registration: https://my.sma-service.com/. ESSX-20-SH-en-10 System Manual...

  • Page 95: Commissioning An Individual Battery Cabinet

    ☐ The supplied energy meter has been correctly mounted and connected. Procedure: 1. If a SMA Data Manager is available, activate the SMA Data Manager (see manual for the SMA Data Manager). 2. Press the external switch on the outside of the cabinet door.

  • Page 96: Commissioning Secondary Battery Cabinets

    • Next, commission the second secondary battery cabinet. • Finally, commission the first secondary battery cabinet. Performing system registration To complete commissioning, a system registration must be performed • Use the following link for the system registration: https://my.sma-service.com/. ESSX-20-SH-en-10 System Manual...

  • Page 97: Commissioning The Primary Battery Cabinet

    ☐ The DC distributor has been correctly mounted and connected (see manufacturer’s manual). Procedure: 1. If a SMA Data Manager is available, activate the SMA Data Manager (see manual for the SMA Data Manager). 2. On a secondary battery cabinet, press the external switch on the outside of the cabinet door.
  • Page 98 ☐ The secondary battery cabinets have been commissioned. Procedure: 1. If a SMA Data Manager is available, activate the SMA Data Manager (see manual for the SMA Data Manager). 2. On the primary battery cabinet, press the external switch on the outside of the cabinet door.

  • Page 99: Configuring The Temperature And Humidity Sensor

    SMA Solar Technology AG 9 Commissioning 16. If the DHCP protocol is disabled on the battery management system and the IP address is specified, set the IP address of the battery management system to 192.168.12.130 during commissioning of the inverter.

  • Page 100: Register As A New User In Sunny Portal

    9 Commissioning SMA Solar Technology AG The profiles can be edited in the system properties at any time in Sunny Portal to adjust the intensity. Note that when switching from a low to a high intensity data communication, the data from the past is not retroactively adjusted. The adjustment applies from the date of the change.

  • Page 101: Create New Pv System

    SMA Solar Technology AG 9 Commissioning 2. Enter the e-mail address and the Sunny Portal password in the fields User and Password. 3. Select [Login]. 9.6.4 Create new PV system The system setup assistant is a step-by-step guide to the processes required for the registration of your system in Sunny Portal.

  • Page 102: Operation

    10 Operation SMA Solar Technology AG 10 Operation 10.1 Safety Functions 10.1.1 Setting the Safe State The safe state of the system is always set to Disconnected. In this state, both contactors are open and the battery is not connected to an inverter or a load. This configuration guarantees that neither charging or discharging can take place and that the battery is isolated from any external electrical load.

  • Page 103: Control Elements

    Optional: User interface of the SMA Data If there is an SMA Data Manager installed, the SMA Data Manager Manager is configured as the System Manager. The user interface of the Sys- tem Manager is used to configure and monitor all inverters and bat- teries in the system.

  • Page 104: Activating The Battery Management System Display

    10 Operation SMA Solar Technology AG 10.3 Activating the Battery Management System Display • To activate the display, tap with the fingers on the highlighted area beside the display. ☑ The display remains active for approx. 2 minutes and then is automatically deactivated.

  • Page 105: Direct Connection Via Wi-Fi

    ☑ The blue LED flashes slowly for approx. 2 minutes. The Wi-Fi access point is then activated for approx. 30 minutes. Once this period has expired, the Wi-Fi access point is deactivated automatically. 2. Open the SMA 360° App and login with the Sunny Portal account details. 3. Select QR-Code Scan in the menu.

  • Page 106: Wi-Fi Connection Via Device-Specific Wi-Fi Password (Wpa2-Psk)

    SMA[serial number].local or http://SMA[serial number] in the address bar of the web browser. 10.5 Design of the User Interface The user interface of all SMA products powered by ennexOS and the user interface of Sunny Portal powered by ennexOS are uniform. ESSX-20-SH-en-10 System Manual...
  • Page 107 SMA Solar Technology AG 10 Operation The number of functions and menus depends on whether you are on the local user interface of the product or in Sunny Portal. Figure 36: Design of the User Interface Position Designation Description Focus navigation Enables the navigation between the following levels: •...

  • Page 108: Changing The Password

    10 Operation SMA Solar Technology AG Position Designation Description Dashboard Displays information and instantaneous values of the device or sys- tem currently selected. Home Opens the user interface home page 10.6 Changing the Password The password for the currently logged in user can be changed in the user interface of the product.

  • Page 109: Energy Management

    SMA Solar Technology AG 10 Operation 10.8 Energy management 10.8.1 Home page of the energy management Figure 37: Energy management profiles on the home page of the energy management Position Energy management profile Maximum increased self-consumption Peak load shaving Sleep mode When energy management is started for the first time after commissioning, the energy management home page always appears first.

  • Page 110: Overview Of Used Energy Management Profiles

    10 Operation SMA Solar Technology AG 10.8.2 Overview of used energy management profiles Figure 38: Overview of the used energy management profiles (example) This overview shows all energy management profiles that were activated at least once before. The energy management profile currently active is highlighted.

  • Page 111: Creating A New Energy Management Profile

    SMA Solar Technology AG 10 Operation Parameter Explanation Adjustment If no value is specified for the Billing interval in the tariff, the option Immediate adjust- ment is always active. In this case, peak load shaving is controlled according to the instanta- neous value of the grid supply at the point of interconnection.

  • Page 112: Deactivating The Energy Management

    10 Operation SMA Solar Technology AG 3. Click on the profile you want. ☑ In the energy management profiles Maximum increased self-consumption and Sleep mode, the selected energy management profile is activated automatically. ☑ In the energy management profile Peak load shaving, the page to set the parameters opens.

  • Page 113: Changing An Energy Management Profile

    The Modbus interface is deactivated by default. In addition, the communication port 502 is set. ® ® ® To access SMA products with SMA Modbus or SunSpec  Modbus , the Modbus interface must be activated. After enabling the interface, the communication ports of both IP protocols can be changed.

  • Page 114: Updating Firmware With Update File Via The User Interface

    Speedwire encryption is used to encrypt system communication between all compatible Speedwire devices. In order to be able to use the Speedwire encryption in the system, all connected Speedwire devices, apart from the SMA Energy Meter, must support the SMA Speedwire Encrypted Communication function.

  • Page 115: Backup File

    4. Select SMA Speedwire devices and confirm with [Next]. ☑ All SMA Speedwire devices in the systems are searched for and displayed. 5. Enable SMA Speedwire encryption and select [Continue]. 6. Assign a new system password and select [Save].

  • Page 116: Uploading The Backup File

    10 Operation SMA Solar Technology AG 10.13.3 Uploading the backup file Requirement: ☐ The backup file and the corresponding password must be available. Procedure: 1. Open the user interface. 2. Log into the user interface. ☑ After you connect to the user interface of the inverter (e.g., a replacement device) for the first time, the welcome page opens.

  • Page 117: Stopping The Inverter

    SMA Solar Technology AG 10 Operation Requirements: ☐ The Device Key from the label on the back of the supplied manual must be present. ☐ The login page of the user interface must be open. Procedure: 1. Select the [Delete admin account?] button.

  • Page 118: Restarting The Battery Via The Battery Monitoring Software

    10 Operation SMA Solar Technology AG 2. Switch on the battery. To do this, press the SWITCH control element on the battery management system. 3. Start the inverter. Also see: • Connection Area of the Battery Management System ⇒ page 75 • Restarting the Battery via the Battery Monitoring Software ⇒ page 118 10.18.3 Restarting the Battery via the Battery Monitoring Software...

  • Page 119: Disconnecting From Voltage Sources

    SMA Solar Technology AG 11 Disconnecting from voltage sources 11 Disconnecting from voltage sources 11.1 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.
  • Page 120 11 Disconnecting from voltage sources SMA Solar Technology AG 9. Use a current clamp to ensure that no current is present in the DC cables. As a result, a possible residual current can be detected. 10. Ensure that no voltage is present on the DC voltage measuring points of the pre-charge unit: between BAT+ and BAT-, BAT+ and DST- as well as BAT- and DST-.

  • Page 121: Disconnecting The Battery From Voltage Sources

    SMA Solar Technology AG 11 Disconnecting from voltage sources 11.2 Disconnecting the Battery from Voltage Sources 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 122 11 Disconnecting from voltage sources SMA Solar Technology AG 3. Press the SWITCH control element on the battery management system. 4. Disconnect the DC cables at the CHARGER+ and CHARGER- connections on the battery management system. 5. Use a suitable measuring device to ensure that no voltage is present at the CHARGER+ and CHARGER- connections.

  • Page 123: Battery Monitoring Software

    ☐ The file containing the current BatMon battery monitoring software must be available. The battery monitoring software is available for download on the product page at www.SMA-Solar.com. This parameter has a direct impact on the battery and is exclusively reserved for certified professionals. Therefore, it is password- protected.

  • Page 124: Loading Default Parameters

    12 Battery Monitoring Software SMA Solar Technology AG ☐ The serial number of battery management system must be known. If there is more than one battery cabinet, the serial number of the battery management system of the primary battery cabinet must be used. The serial number is on the underside of the battery management system enclosure or is shown on the battery management system display.

  • Page 125: Changing The Network Configuration Of The Battery

    SMA Solar Technology AG 12 Battery Monitoring Software 12.4 Changing the Network Configuration of the Battery Requirements: • A mobile end device (e.g., laptop) must be available. • The BatMon battery monitoring software must be open and you must be logged in with Installer rights at a minimum.

  • Page 126: Cleaning And Maintenance

    • If the product is subject to adverse ambient conditions, a reduction of the maintenance intervals is recommended. Above all, the intervals between cleaning work and corrosion protection should be reduced. • SMA recommends a monthly optical inspection to determine the maintenance requirement. 13.3 Cleaning and Maintenance Materials ☐...

  • Page 127: Cleaning And Maintenance Procedure

    SMA Solar Technology AG 13 Cleaning and Maintenance Bolted connection Tools Torque Attaching battery management system and battery mod- 3 Nm ules Connecting DC cables in inverter Hexagon socket, AF16 24 Nm ± 2 Nm 13.5 Cleaning and Maintenance Procedure This section describes the procedure for the electrical connection of the product. It provides an overview of the steps, which must be performed in the prescribed sequence.

  • Page 128: Performing A Visual Inspection Of The Battery

    13 Cleaning and Maintenance SMA Solar Technology AG • The BatMon software must be installed on this end device. Procedure: 1. Disconnect the inverter from voltage sources (see Section 11.1, page 119). 2. Disconnect the battery from voltage sources (see Section 11.2, page 121).

  • Page 129: Cleaning And Maintaining The Battery Management System

    SMA Solar Technology AG 13 Cleaning and Maintenance 2. Ensure that the front of the battery cabinet is not obstructed. 3. Ensure that the ventilation slots in the battery cabinet are unobstructed. 4. Check the battery cabinet enclosure for any damage such as scratches, dents, or corrosion damage.

  • Page 130: Cleaning And Maintaining The Battery Modules

    13 Cleaning and Maintenance SMA Solar Technology AG 13.10 Cleaning and Maintaining the Battery Modules 1. Disconnect the battery and inverter from voltage sources (see Section 11, page 119). 2. Check the battery modules for any damage such as scratches, dents, or corrosion damage.
  • Page 131 SMA Solar Technology AG 13 Cleaning and Maintenance 2. Unlock the fan bracket on the right and left of the product. To do so, press in the locking tabs and push them upwards. 3. Move the fan bracket upwards and fold it backwards. When doing this, note that the fan bracket cannot be removed completely, because the fan cable connects it to the product.

  • Page 132: Checking The Fans Of The Inverter

    13 Cleaning and Maintenance SMA Solar Technology AG 7. Guide the fan bracket on the enclosure vertically downwards into the enclosure brackets provided. 8. Press the fan bracket firmly downwards so that the locking tabs engage on the right and left.

  • Page 133: Troubleshooting

    SMA Solar Technology AG 14 Troubleshooting 14 Troubleshooting 14.1 Displaying Event Messages Type of event messages Indication Battery event messages Battery event messages are shown on the battery management system display. Battery event messages are shown with a 3-digit ID number and an event type: •...
  • Page 134 14 Troubleshooting SMA Solar Technology AG Corrective measures: • Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range. If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator. The grid operator must agree with an adjustment of the voltage at the feed-in point or with a change of the monitored operating limits.
  • Page 135 SMA Solar Technology AG 14 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 136 14 Troubleshooting SMA Solar Technology AG • Ensure that the country standard has been configured correctly. • Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range. If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator. The grid operator must agree with an adjustment of the voltage at the feed-in point or with a change of the monitored operating limits.
  • Page 137 SMA Solar Technology AG 14 Troubleshooting Explanation: The inverter has disconnected from the utility grid. A stand-alone grid or a very large change in the grid frequency was detected. Corrective measures: • Make sure there is no power outage or work being done on the utility grid and contact a grid operator if necessary.
  • Page 138 14 Troubleshooting SMA Solar Technology AG • 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 139 SMA Solar Technology AG 14 Troubleshooting 14.2.17 Event 3401 Event message: • DC overvoltage • Disconnecting the DC side Explanation: Overvoltage at the DC input. This can destroy the inverter. Corrective measures: • Immediately disconnect the inverter from all voltage sources.
  • Page 140 14 Troubleshooting SMA Solar Technology AG The inverter interrupts parallel grid operation immediately after exceeding a threshold. When the fault is eliminated, the inverter automatically reconnects to the utility grid. Corrective measures: • Check the battery and DC cabling for ground faults.
  • Page 141 SMA Solar Technology AG 14 Troubleshooting 14.2.24 Event 6001-6468 Event message: • Self-diagnosis • Device fault Explanation: The cause must be determined by the Service. Corrective measures: • Contact the Service. 14.2.25 Event 6501 Event message: • Self-diagnosis • Overtemperature Explanation: The inverter has switched off due to excessive temperature.
  • Page 142 14 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 143 SMA Solar Technology AG 14 Troubleshooting • Overcurrent grid Explanation: The cause must be determined by the Service. Corrective measures: • Contact the Service. 14.2.32 Event 6802 Event message: • Self-diagnosis > DC input defective Explanation: Polarity error on the inverter.
  • Page 144 14 Troubleshooting SMA Solar Technology AG Explanation: The cause must be determined by the Service. Corrective measures: • Contact the Service. 14.2.36 Event 7703 Event message: • Self-diagnosis • Device fault Explanation: The cause must be determined by the Service.
  • Page 145 • Contact the Service. 14.2.42 Event 9002 Event message: • SMA Grid Guard code invalid Explanation: The SMA Grid Guard code entered is incorrect. The operating parameters are still protected and cannot be changed. Corrective measures: • Enter the correct SMA Grid Guard code. System Manual ESSX-20-SH-en-10...
  • Page 146 14 Troubleshooting SMA Solar Technology AG 14.2.43 Event 9003 Event message: • Grid parameters locked Explanation: Changes to the grid parameters are now blocked. Corrective measures: • In order to be able to make changes to the grid parameters, you must be logged in as Administrator or Installer on the user interface.
  • Page 147 SMA Solar Technology AG 14 Troubleshooting 14.2.47 Event 9303 Event message: • The service life of the battery is expiring Explanation: The battery can fail anytime. Corrective measures: • Procure new battery and exchange batteries. 14.2.48 Event 9307 Event message: •...
  • Page 148 14 Troubleshooting SMA Solar Technology AG 14.2.51 Event 9312 Event message: • Undervoltage battery system Explanation: The cause must be determined by the Service. Corrective measures: • Contact the Service. 14.2.52 Event 9313 Event message: • Overtemperature battery system Explanation: The cause must be determined by the Service.
  • Page 149 SMA Solar Technology AG 14 Troubleshooting 14.2.55 Event 9316 Event message: • Internal battery hardware fault Explanation: The cause must be determined by the Service. Corrective measures: • Contact the Service. 14.2.56 Event 9350 Event message: • Timeout for battery status change Explanation: A requested status change of the battery did not occur within the specified time.
  • Page 150 14 Troubleshooting SMA Solar Technology AG 14.2.59 Event 9353 Event message: • Error thermal management battery system Explanation: Thermal management of battery system is defective. 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 151 SMA Solar Technology AG 14 Troubleshooting 14.2.63 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 152: Battery Event Messages

    14 Troubleshooting SMA Solar Technology AG 14.2.68 Event 10819 Event message: • Error during pre-charging within the battery system Explanation: The cause must be determined by the Service. Corrective measures: • Contact the Service. 14.3 Battery Event Messages 14.3.1 Event I102 Event message: •...
  • Page 153 SMA Solar Technology AG 14 Troubleshooting 14.3.4 Event F121 Event message: • F121 Parameter Fault Explanation: A parameter value is outside the safety range. Corrective measures: • Load default parameters. • Perform a restart. This overwrites the parameters adapted on a system-specific basis.
  • Page 154 14 Troubleshooting SMA Solar Technology AG Explanation: Communication fault between the battery management systems of the individual battery cabinets. Corrective measures: • Check the address and terminator settings on the battery management systems of all battery cabinets. • Check the communication cable connections in the battery cabinet.
  • Page 155 SMA Solar Technology AG 14 Troubleshooting 14.3.12 Event F207 Event message: • F207 Module Configuration Fault Explanation: Different number of configured and communicating battery modules. Corrective measures: • Perform a restart. • Perform a reconfiguration. • If the error persists, decommission the system.
  • Page 156 14 Troubleshooting SMA Solar Technology AG 14.3.15 Event F211 Event message: • F211 Difference V_String/V_ext too high Explanation: Difference between external and internal voltage measurement is too high. Corrective measures: • Perform a restart. • Check the module configuration and correct errors in the module configuration.
  • Page 157 SMA Solar Technology AG 14 Troubleshooting Explanation: Hardware fault detected. Corrective measures: • Disconnect the battery and inverter from voltage sources. • Check whether all DC cables are connected correctly on the battery. • Check whether all AC and DC cables are connected correctly on the inverter.
  • Page 158 14 Troubleshooting SMA Solar Technology AG 14.3.22 Event F218 Event message: • F218 Temperature NTC open wire Explanation: Contact fault in temperature line. Corrective measures: • Disconnect the battery and inverter from voltage sources. • Contact the Service. 14.3.23 Event F219 Event message: •...
  • Page 159 SMA Solar Technology AG 14 Troubleshooting • If the error persists, disconnect the battery and inverter from voltage sources. • Contact the Service. 14.3.26 Event F222 Event message: • F222 LTC Diagnose Fault: Category 2 Explanation: Internal DynamiX Battery Optimizer fault.
  • Page 160 14 Troubleshooting SMA Solar Technology AG 14.3.29 Event F305 Event message: • 305 Balancer Temperature High Explanation: DynamiX Battery Optimizer balancer overtemperature fault. Corrective measures: • If the error is more frequent, disconnect the battery and inverter from voltage sources.
  • Page 161 SMA Solar Technology AG 14 Troubleshooting Explanation: The contactors have reached the end of their service life as a result of shutdowns due to overcurrent. Maintenance or replacement is required. Corrective measures: • Contact the Service. 14.3.34 Event I701 Event message: •...
  • Page 162 14 Troubleshooting SMA Solar Technology AG Corrective measures: • Contact the Service. 14.3.38 Event F923 Event message: • F923 Battery Max Temperature Explanation: A battery cell has exceeded the upper temperature limit. Corrective measures: • Disconnect the battery and inverter from voltage sources.
  • Page 163 SMA Solar Technology AG 14 Troubleshooting 14.3.41 Event F928 Event message: • F928 Hardware Safety Block / HW High Current Explanation: Hardware shutdown due to overcurrent. This error is automatically acknowledged three times. Corrective measures: • If the error is more frequent, disconnect the battery and inverter from voltage sources.
  • Page 164 14 Troubleshooting SMA Solar Technology AG Corrective measures: • Allow the battery to cool down. The battery then reconnects automatically. • If the error persists, disconnect the battery and inverter from voltage sources. • Contact the Service. 14.3.45 Event F934 Event message: •...
  • Page 165 SMA Solar Technology AG 14 Troubleshooting 14.3.48 Event W938 Event message: • W938 Cell Low Voltage Explanation: Battery cell undervoltage fault in the battery module. Corrective measures: • If the error persists, disconnect the battery and inverter from voltage sources.
  • Page 166 14 Troubleshooting SMA Solar Technology AG • Contact the Service. 14.3.52 Event W947 Event message: • W947 Dynamic Cell Imbalance Warning Explanation: Dynamic cell imbalancing. Dynamic cell imbalancing can indicate defective battery cells. Corrective measures: • If the warning is more frequent, disconnect the battery and inverter from voltage sources.

  • Page 167: Replacing The Surge Arrester

    SMA Solar Technology AG 14 Troubleshooting 14.3.56 Event F972 Event message: • F972 Isolation Fault Explanation: DC cabling insulation fault: The differential current measured is too high. Corrective measures: • Disconnect the battery and inverter from voltage sources. • Check the grounding connection on the battery cabinet.

  • Page 168: Cleaning The Fans Of The Inverter

    14 Troubleshooting SMA Solar Technology AG Procedure: 1. Disconnect the product from voltage sources (see Section 11.1, page 119). 2. Unlock the surge arresters by using a screwdriver to turn the latch to the open position. 3. Pull the surge arresters out of the slots.
  • Page 169 SMA Solar Technology AG 14 Troubleshooting 2. Unlock the fan bracket on the right and left of the product. To do so, press in the locking tabs and push them upwards. 3. Move the fan bracket upwards and fold it backwards. When doing this, note that the fan bracket cannot be removed completely, because the fan cable connects it to the product.
  • Page 170 14 Troubleshooting SMA Solar Technology AG 7. Guide the fan bracket on the enclosure vertically downwards into the enclosure brackets provided. 8. Press the fan bracket firmly downwards so that the locking tabs engage on the right and left. 9. Recommission the inverter.

  • Page 171: Decommissioning

    SMA Solar Technology AG 15 Decommissioning 15 Decommissioning 15.1 Disconnect the terminals on the inverter To decommission the product completely upon completion of its service life, first disconnect all connections from the product. Procedure: 1. Disconnect the product from voltage sources (see Section 11.1, page 119).
  • Page 172 15 Decommissioning SMA Solar Technology AG 5. Remove the network cables, the battery data cables and the signal cables from the sockets. 6. Remove all cable glands from the connecting plate. To do so, unscrew the counter nuts from inside and remove the cable glands from the opening.

  • Page 173: Disconnecting The Connections On The Battery

    SMA Solar Technology AG 15 Decommissioning 10. Hold the enclosure lid pressed against the enclosure and screw and tighten the screw (hex socket AF8, torque: 18 Nm). 11. Place the cover on the screw in the cover of the enclosure (see Section 15.3, page 174).

  • Page 174: Disassembling The Inverter

    15 Decommissioning SMA Solar Technology AG 15.3 Disassembling the Inverter CAUTION Risk of injury due to the weight of the inverter Injuries may result if the inverter is lifted incorrectly or dropped while being transported or when mounting it to the wall mounting bracket.
  • Page 175 SMA Solar Technology AG 15 Decommissioning 4. Unscrew the screw for securing the product to the mounting brackets on the right and left (TX40). 5. Remove the product from the mounting lugs of the mounting brackets by moving it upward.

  • Page 176: Disassembling The Battery

    15 Decommissioning SMA Solar Technology AG 15.4 Disassembling the Battery WARNING Risk of injury due to the weight of the battery components Injuries may result if the battery components are lifted incorrectly or dropped while being transported or installed. • Transport and lift the battery components carefully. Take the weight of each individual component into account.
  • Page 177 SMA Solar Technology AG 15 Decommissioning 9. Detach the battery management system grounding cable from the grounding bolt on the back of the battery management system (hexagon socket, AF10). 10. If the battery management system is to be stored or shipped, place it in packaging. Use the original packaging or packaging that is suitable for the weight and dimensions of the battery management system for this.

  • Page 178: Extension Of The Battery

    The storage system can be extended both in terms of the energy content and the charging and discharging capacity. Take the specifications relating to the possible system configurations into account (see Technical Information "System Configuration - SMA Commercial Storage Solution"). Also see: •...

  • Page 179: Installing An Additional Battery Module

    SMA Solar Technology AG 16 Extension of the Battery 16.4 Installing an Additional Battery Module Additional battery cabinets may be installed in this battery cabinet a maximum of six months after the battery cabinet is first commissioned. Procedure: 1. By measuring the voltage at -POL and +POL, verify whether the DC output voltage of each new battery module is between 78.4 V and 78.6 V.

  • Page 180: Installing An Additional Battery Cabinet

    16 Extension of the Battery SMA Solar Technology AG 16.5 Installing an Additional Battery Cabinet 1. By measuring the voltage at -POL and +POL, verify whether the DC output voltage of each new battery module is between 78.4 V and 78.6 V.
  • Page 181 SMA Solar Technology AG 16 Extension of the Battery • Commissioning the Inverter ⇒ page 90 • Configuring the Inverter ⇒ page 91 • Requirements for Output Voltage and State of Charge ⇒ page 178 • Safety when Extending the Battery ⇒ page 178 System Manual ESSX-20-SH-en-10...

  • Page 182: Storage

    17 Storage SMA Solar Technology AG 17 Storage 17.1 Climatic Conditions for Battery Storage State of charge (SOC) Storage temperature Maximum storage period 15% to 25% 5°C to 28°C 6 months -20°C to +30°C 3 months -20°C to +40°C 1 month Also see: •...

  • Page 183: Disposal

    18.2 Specifications for Battery Disposal SMA battery modules installed in Germany are covered by the free GRS return system. • All requirements for safe transport of the battery must be observed. • Batteries may only be disposed of in accordance with the regulations for used batteries valid at the time of disposal.

  • Page 184: Technical Data

    19 Technical Data SMA Solar Technology AG 19 Technical Data 19.1 Technical Data for Inverter 19.1.1 General Data STPS30-20 / STPS50-20 Width x height x depth without feet and without discon- 772 mm x 837.8 mm x 443.8 mm nectors Weight with enclosure lid and connecting plate 104 kg...

  • Page 185: Dc Input

    SMA Solar Technology AG 19 Technical Data 19.1.2 DC Input STPS30-20 STPS50-20 Maximum power DC power 30600 W 51000 W Voltage range 200 V to 980 V 200 V to 980 V Rated input voltage 750 V 750 V Maximum usable input current 150 A 150 A Maximum output current under fault 491 A...

  • Page 186: Efficiency

    19 Technical Data SMA Solar Technology AG STPS30-20 STPS50-20 Displacement power factor, ad- 0 overexcited to 0 underexcited 0 overexcited to 0 underexcited justable Charging and discharging phases Connection phases 3-N-PE 3-N-PE Protection class (according to IEC 62109-1) Overvoltage category as per IEC 60664-1 for AC Connectable conductor cross-section 16 mm²...

  • Page 187: Torques

    Width x height x depth of battery 608 mm x 1408 mm x 990 mm 608 mm x 2008 mm x 990 mm cabinet (with hand bracket) Tilt dimension of battery cabinet to 1607 mm 2155 mm front and rear Supported devices: SMA EV Charger, PV inverter and Sunny Tripower Storage System Manual ESSX-20-SH-en-10...
  • Page 188 19 Technical Data SMA Solar Technology AG Storage-30-20 Storage-50-20 Tilt dimension of battery cabinet to 1519 mm 2090 mm side Weight of battery cabinet with bat- 356 kg 555 kg tery management system and with maximum number of battery modules Weight of battery cabinet without 119 kg...

  • Page 189: Dc Connection

    SMA Solar Technology AG 19 Technical Data 19.2.2 DC connection Storage-30-20 Storage-50-20 Energy (at 100% depth of discharge) 32 kWh (with four battery modules) 56 kWh (with seven battery modules) Nominal voltage 324 V 567 V Voltage range 290 V to 365 V 508 V to 639 V Nominal charge/discharge current 100 A...

  • Page 190: Battery Extendability

    19 Technical Data SMA Solar Technology AG Storage-30-20 / Storage-50-20 Operating temperature for 10 year capacity warranty 10°C to 45°C Ambient temperature 0°C to 50°C Humidity (non-condensing) 0% to 80% Cooling concept Passive via ventilation slots and active via fan 19.2.5 Battery extendability...

  • Page 191: Technical Data For Dc Distributor

    SMA Solar Technology AG 19 Technical Data COM-EMETER-A-20 COM-EMETER-B-20 Janitza UMG 604Pro Maximum cable diameter at current trans- 36 mm 24 mm Not included in the former scope of delivery Total weight (one energy meter + three cur- 1.6 kg 1.0 kg 0.35 kg rent transformers) Standard measuring interval 200 ms...

  • Page 192: Accessories

    20 Accessories SMA Solar Technology AG 20 Accessories You will find the accessories for your product in the following overview. If required, these can be ordered from SMA Solar Technology AG or your distributor. Designation Brief description SMA order number...

  • Page 193: Eu Declaration Of Conformity

    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 aforementioned directives. More information on the availability of the entire declaration of conformity can be found at https://www.sma.de/en/ce-ukca.

  • Page 194: Declaration Of Conformity

    • The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012 (SI 2012/3032) 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. More information on the availability of the entire declaration of conformity can be found at https://www.sma.de/en/ce-ukca.

  • Page 195: Contact

    SMA Solar Technology AG 23 Contact 23 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: • Device type • Serial number •...

This manual is also suitable for:

Commercial storage solution 50Essx-30-20Essx-50-20

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