SMA Sunny Tripower X 12 Operating Manual
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SMA Sunny Tripower X 12 Operating Manual

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Operating manual
SUNNY TRIPOWER X 12 / 15 / 20 / 25
ENGLISH
STPxx-50-BE-en-11 | Version 1.1

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  • Page 1 Operating manual SUNNY TRIPOWER X 12 / 15 / 20 / 25 ENGLISH STPxx-50-BE-en-11 | Version 1.1...
  • Page 2 SMA Solar Technology AG 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 SMA Solar Technology AG Legal Provisions Copyright © 2024 SMA Solar Technology AG. All rights reserved. Operating manual STPxx-50-BE-en-11...

  • Page 4: Table Of Contents

    Sunny Tripower X as system manager........... 20 4.2.2 Sunny Tripower X with Sunny Home Manager ........21 4.2.3 Sunny Tripower X with SMA Data Manager as System Manager ..21 Product Description ....................22 Symbols on the Product ..................... 22 Interfaces and Functions .................... 24 4.5.1...
  • Page 5 SMA Solar Technology AG Table of contents 4.5.17 Wi-Fi connection to SMA 360° app and SMA Energy app....28 LED Signals ......................... 28 Mounting .................. 30 Requirements for Mounting ..................30 5.1.1 Requirements for the Mounting Location..........30 5.1.2 Permitted and prohibited mounting positions........30 5.1.3...
  • Page 6 Table of contents SMA Solar Technology AG 6.9.3 Circuitry overview DI 5................51 6.9.4 Circuitry overview DI 6................51 6.9.5 Connecting Signal Source to Digital Input DI 5-6 ........ 51 6.10 DC connection......................53 6.10.1 Overview of DC connectors..............53 6.10.2...
  • Page 7 SMA Solar Technology AG Table of contents 8.11 Generating the I-V Characteristic Curve ..............71 8.12 Activating a Digital Product ..................71 8.13 Backup file ........................72 8.13.1 Function and content of the backup file ..........72 8.13.2 Creating a Backup File................72 8.14...
  • Page 8 Table of contents SMA Solar Technology AG 16 Contact ..................108 17 EU Declaration of Conformity ..........109 18 UK Declaration of Conformity ..........110 STPxx-50-BE-en-11 Operating manual...

  • Page 9: Information On This Document

    The latest version of this document and additional information about the product can be found in PDF format and as an eManual at www.SMA-Solar.com. You can also call up the eManual via the user interface of the product.

  • Page 10: 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 11: Additional Information

    System Controller" "Efficiency and Derating" Technical Information Efficiency and derating behavior of the SMA inverters "SUNNY TRIPOWER X 12 / 15 / 20 / 25 - System functionalities Technical Information at a glance" "Compatibility between common grid configurations and SMA in- Technical Information verters and SMA charging stations"...

  • Page 12: Safety

    The above list is not exhaustive. Contact us if you are unsure whether products by SMA Solar Technology AG are suitable for your application. 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

    Unauthorized alterations can be dangerous and lead to personal injury. In addition, an unauthorized alteration 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 touching live system components in case of a ground fault If a ground fault occurs, parts of the system may still be live. Touching live parts and cables results in death or lethal injuries due to electric shock.
  • Page 15 SMA Solar Technology AG 2 Safety WARNING Risk of injury due to toxic substances, gases and dusts. In rare cases, damages to electronic components can result in the formation of toxic substances, gases or dusts inside the product. Touching toxic substances and inhaling toxic gases and dusts can cause skin irritation, burns or poisoning, trouble breathing and nausea.
  • Page 16 NOTICE Manipulation of system data in networks You can connect the supported SMA products to the Internet. When connected to the Internet, there is a risk that unauthorized users can access and manipulate the data of your system. • Set up a firewall.
  • Page 17 Communication disturbances in the local network The IP address range 192.168.12.0 to 192.168.12.255 is occupied for communication amongst SMA products and for direct access to SMA products. Communication problems might occur if this IP address range is used in the local network.

  • Page 18: Scope Of Delivery

    3 Scope of Delivery SMA Solar Technology AG Scope of Delivery Check the scope of delivery for completeness and any externally visible damage. Contact your distributor if the scope of delivery is incomplete or damaged. M5x14 M32x1.5 Figure 1: Components included in scope of delivery...
  • Page 19 SMA Solar Technology AG 3 Scope of Delivery Position Quantity Designation Ferrite for network port Quick reference guide with password label on the rear side The label contains the following information: • PIC (Product Identification Code) identification key for registering the system in Sunny Portal •...

  • Page 20: Product Overview

    If you configure the inverter as a subordinate device, it does not take over control. The subordinate inverter receives specifications from the System Manager (e.g. an SMA Data Manager) and implements them. Before a lower-level inverter can be recorded in a System Manager, you must commission all subordinate devices.

  • Page 21: Sunny Tripower X With Sunny Home Manager

    Figure 3: System with Sunny Tripower X and Sunny Home Manager 2.0 as System Manager 4.2.3 Sunny Tripower X with SMA Data Manager as System Manager Figure 4: System with Sunny Tripower X and SMA Data Manager as system manager Operating manual STPxx-50-BE-en-11...

  • Page 22: Product Description

    DC load-break switch LEDs The LEDs indicate the operating state of the product. A label with a QR code to be scanned using the SMA apps Type label The type label clearly identifies the product. The type label must remain per- manently attached to the product.
  • Page 23 SMA Solar Technology AG 4 Product Overview Symbol Explanation Beware of hot surface The product can get hot during operation. Danger to life due to high voltages in the inverter; observe a waiting time of 5 5 min minutes. High voltages that can cause lethal electric shocks are present in the live com- ponents of the inverter.

  • Page 24: Interfaces And Functions

    4 Product Overview SMA Solar Technology AG Symbol Explanation 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. The product is suitable for outdoor installation.

  • Page 25: Diagnostic Function

    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 – and has the following tasks: •...

  • Page 26: Grid Management Services

    The fast stop function is deactivated by default and must be activated in the inverter. 4.5.10 SMA ArcFix SMA ArcFix is an Arc Fault Circuit Interrupter (AFCI). With this function, the inverter effectively detects arcs on the DC side and interrupts them.

  • Page 27: Sma Shadefix

    SMA ShadeFix is enabled by default. The time interval of SMA ShadeFix is usually 6 minutes. This means that the inverter determines the optimum operating point every 6 minutes. Depending on the PV system or shading situation, it may be useful to adjust the time interval.

  • Page 28: 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 29 SMA Solar Technology AG 4 Product Overview LED signal Explanation The blue LED is flashing slowly (2 s on and 2 s Communication connection is being established. off) The product is establishing a connection with a local network or is establishing a direct connec- tion to a smart device (e.g., smartphone, tablet...

  • Page 30: Mounting

    5 Mounting SMA Solar Technology AG Mounting Requirements for Mounting 5.1.1 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 31: Dimensions For Mounting

    SMA Solar Technology AG 5 Mounting 5.1.3 Dimensions for mounting Figure 6: Position of the anchoring points(Dimensions in mm) 5.1.4 Recommended clearances for mounting If you maintain the recommended clearances, adequate heat dissipation will be ensured. Thus, you will prevent power reduction due to excessive temperature.

  • Page 32: Mount The Product

    5 Mounting SMA Solar Technology AG Figure 7: Recommended clearances(Dimensions in mm) Mount the product. Additionally required mounting material (not included in the scope of delivery): ☐ For transport with a hoist: 2 eye bolts (M8) ☐ For mounting: – 2 screws that are suitable for the support surface and the weight of the inverter –...
  • Page 33 SMA Solar Technology AG 5 Mounting 4. Secure the wall mounting bracket horizontally using screws and washers. 2x 2x 5. Hook the inverter into the wall mounting bracket. 6. Ensure that the inverter is securely in place. The inverter is correctly hooked in when the indentations in the wall mounting bracket and the mounting tab line up.

  • Page 34: Mount The Dc Terminal Cover (Optional)

    5 Mounting SMA Solar Technology AG 7. Secure the inverter to the wall mounting bracket on both sides with an M5x14 screw each. Insert screws into the screw holes on the left and right tab of the wall mounting bracket and tighten them (TX25, torque: 1.5 Nm).
  • Page 35 SMA Solar Technology AG 5 Mounting 2. Mount the enclosure on the bottom of the inverter using the M5x14 screws from the scope of delivery of the accessory kit (TX25, torque: 4 Nm). 3. Mount the conduits for the DC connection to the DC terminal cover.

  • Page 36: Electrical Connection

    For error-free operation, the ground potential at the neutral point of the transformer must be the same as that of the grounding conductor connection on the inverter. SMA Solar Technology AG recommends a bridge between N and grounding conductor at the point of interconnection to ensure error-free operation.

  • Page 37: Load-Break Switch And Cable Protection

    • Do not use screw-type fuses as load-break switches. • Use a load-break switch or circuit breaker as a load disconnection unit (for information and design examples, see the Technical Information "Miniature circuit breaker" at www.SMA- Solar.com). ☐ In PV systems with multiple inverters, protect each inverter with a separate three-phase circuit breaker.

  • Page 38: Equipotential Bonding

    IEC 60664-1. That means that the product can be permanently connected to the grid-connection point of a building. 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). 6.1.7 AC cable requirements ☐...

  • Page 39: Requirements For The Pv Modules Per Input

    SMA Solar Technology AG 6 Electrical Connection ☐ Maximum cable length between 2 nodes when using patch cables: 50 m ☐ Maximum cable length between 2 nodes when using installation cables: 100 m ☐ UV-resistant for outdoor use. 6.1.9 Requirements for the PV modules per input Use of Y adapters for parallel connection of strings The Y adapters must not be used to interrupt the DC circuit.

  • Page 40: Overview Of The Connection Area

    6 Electrical Connection SMA Solar Technology AG ☐ The cable type and cable-laying method must be appropriate for the application and location. Overview of the Connection Area 6.2.1 View from Below Figure 9: Bottom view of product Position Designation Connection point for the DC-TERM-COVER...

  • Page 41: Interior View

    PV system protection device) Slot DI 7 is not assigned Terminal blocks for AC connection Slot for module (e.g. SMA Sensor Module) Electrical connection 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 42: Connecting The Ac Cable

    6 Electrical Connection SMA Solar Technology AG Procedure Connect to the multifunction relay (optional). Connection to the Multifunc- tion Relay Connect to the digital inputs (optional). Connection to digital input DI 5-6 Connect the PV modules. DC connection Connecting the AC Cable Requirements: ☐...
  • Page 43 SMA Solar Technology AG 6 Electrical Connection 4. Unscrew the screws of the enclosure lid with a Torx screwdriver (TX 25) and remove the enclosure lid carefully forward. 5. Remove the adhesive tape from the enclosure opening for the AC connection.

  • Page 44: Connecting Additional Grounding

    6 Electrical Connection SMA Solar Technology AG 12. For connection without a neutral conductor, use the L 1 L 2 L 3 jumper provided to bridge terminal blocks PE and N. For this, press the locking levers of terminals PE and N upward, guide the jumper into the terminals, and press the locking levers downward again.

  • Page 45: Connecting The Network Cables

    SMA Solar Technology AG 6 Electrical Connection 2. Fit a terminal lug to the grounding cable. 3. Clean the contact surfaces of the terminal lug using a clean cloth and ethanol cleaning agent and do not touch the contact surfaces after cleaning.

  • Page 46: Connection Of A Ripple Control Receiver

    6 Electrical Connection SMA Solar Technology AG Procedure: 1. Disconnect the inverter from all voltage sources (see Section 9, page 75). 2. Unscrew the swivel nut from the cable gland. 3. Thread a swivel nut over each network cable. 4. Remove the four-hole cable support sleeve from the cable gland.

  • Page 47: Pin Assignment Di 1-4

    SMA Solar Technology AG 6 Electrical Connection In a system with multiple inverters, the ripple control receiver must be connected to digital input DI 1-4 of the System Manager. Also see: • Configuring the digital input DI 1-4 for the external setpoint ⇒ page 70 6.7.2...
  • Page 48 6 Electrical Connection SMA Solar Technology AG 7. Press the four-hole cable support sleeve with the cable into the cable gland and guide the cable to slot DI 1-4. Ensure that the unused enclosure openings of the four-hole cable support sleeve are sealed with sealing plugs.

  • Page 49: Connection To The Multifunction Relay

    SMA Solar Technology AG 6 Electrical Connection Connection to the Multifunction Relay 6.8.1 Digital output (MFR) The multifunction relay (MFR) is a digital output that can be specifically configured to the system. In a system with multiple inverters, you must carry out the connection to the multifunction relay of the System Manager.

  • Page 50: Connection To Digital Input Di 5-6

    6 Electrical Connection SMA Solar Technology AG 9. Insert the 3-pole terminal block with the connected conductors into slot MFR. D I 1 10. Ensure that the terminal block is securely in place. 11. Ensure that all conductors are correctly connected.

  • Page 51: Circuitry Overview Di 5

    SMA Solar Technology AG 6 Electrical Connection 6.9.3 Circuitry overview DI 5 SUNNY TRIPOWER as System Manager Fast-stop switch Figure 12: Connection of a switch for the fast stop to digital input DI 5 of the Sunny Tripower that is to be configured as System Manager 6.9.4...
  • Page 52 6 Electrical Connection SMA Solar Technology AG Procedure: 1. Connect the connection cable to the digital signal source (see the manual from manufacturer). 2. Disconnect the inverter from all voltage sources (see Section 9, page 75). 3. Unscrew the swivel nut from the cable gland.

  • Page 53: Dc Connection

    SMA Solar Technology AG 6 Electrical Connection 14. Ensure that all conductors are correctly connected. 15. Ensure that the conductors sit securely in the terminal points. 16. Tighten the swivel nut on the cable gland hand-tight. Also see: • Signal cable requirements ⇒ page 39 •...
  • Page 54 6 Electrical Connection SMA Solar Technology AG NOTICE Destruction of the inverter due to overvoltage If the open-circuit voltage of the PV modules exceeds the maximum input voltage of the inverter, the inverter can be destroyed due to overvoltage. • If the open-circuit voltage of the PV modules exceeds the maximum input voltage of the inverter, do not connect any strings to the inverter and check the design of the PV system.

  • Page 55: Connecting The Pv Array

    SMA Solar Technology AG 6 Electrical Connection 6. Remove the cable and go back to step 2. 7. Push the swivel nut up to the thread and tighten (torque: 2 Nm). 6.10.3 Connecting the PV Array WARNING Danger to life due to electric shock from destruction of the measuring device...
  • Page 56 6 Electrical Connection SMA Solar Technology AG NOTICE Destruction of the inverter due to overvoltage If the open-circuit voltage of the PV modules exceeds the maximum input voltage of the inverter, the inverter can be destroyed due to overvoltage. • If the open-circuit voltage of the PV modules exceeds the maximum input voltage of the inverter, do not connect any strings to the inverter and check the design of the PV system.
  • Page 57 SMA Solar Technology AG 6 Electrical Connection 7. Connect the assembled DC connectors to the inverter. click ☑ The DC connectors snap into place. 8. Ensure that all DC connectors are securely in place. NOTICE Damage to the product due to sand, dust and moisture ingress if the DC...

  • Page 58: Commissioning

    In systems with System Manager, only 1 device can be used as System Manager at a time (e.g. SMA Data Manager or an inverter as System Manager). All other devices must be configured as a subordinate device and recorded in the System Manager.
  • Page 59 SMA Solar Technology AG 7 Commissioning Only 1 device in the system can be used as System Manager at a time (e.g. SMA Data Manager or an inverter as System Manager). All other devices must be configured as a subordinate device and recorded in the System Manager.

  • Page 60: Commissioning The Product

    7 Commissioning SMA Solar Technology AG Commissioning the Product Requirements: ☐ The AC circuit breaker must be correctly rated and mounted. ☐ The product must be correctly mounted. ☐ All cables must be correctly connected. ☐ The enclosure lid must be mounted.

  • Page 61: Operation

    Communication disturbances in the local network The IP address range 192.168.12.0 to 192.168.12.255 is occupied for communication amongst SMA products and for direct access to SMA products. Communication problems might occur if this IP address range is used in the local network.

  • Page 62: Establishing A Connection Via Ethernet In The Local Network

    Port 443 (https/TLS) User interface ennexos.sunnyportal.com Port 9524 (TCP) SMA Webconnect 1.5 and SMA SPOT wco.sunnyportal.com 8.1.1.3 Establishing a Connection via Ethernet in the local network Requirements: ☐ The product must be connected to the local network via a network cable (e.g. via a router).

  • Page 63: Establishing A Connection Via Wlan In The Local Network

    SMA Solar Technology AG 8 Operation 8.1.1.4 Establishing a Connection via WLAN in the Local Network Requirements: ☐ The product must be commissioned. ☐ The product must be integrated into the local network. Tip: You can change the network configuration on the welcome page of the product.

  • Page 64: Access Information For Direct Wi-Fi Connection

    8.1.2.4 Establishing direct Wi-Fi connection with Wi-Fi network search 1. Search for Wi-Fi networks with your smart device. 2. Select the SSID of the product SMA[serial number] in the list with the detected Wi-Fi networks. 3. Enter the device-specific Wi-Fi password (see WPA2-PSK on the type label).

  • Page 65: Wps Function

    ☑ The login page of the user interface opens if the product has already been configured. 5. If the login page of the user interface does not open, enter the IP address 192.168.12.3 or, if your smart device supports mDNS services, SMA[serial number].local or http:// SMA[serial number] in the address bar of the web browser.

  • Page 66: Design Of The User Interface

    8 Operation SMA Solar Technology AG Design of the User Interface Figure 15: Design of the User Interface Position Designation Description Focus navigation Enables the navigation between the following levels: • System • Device User settings Provides the following functions: •...

  • Page 67: Access Rights To The User Interface

    SMA Solar Technology AG 8 Operation Access rights to the user interface 1 administrator is created during registration. As administrator, you can add further system users who can configure user rights or delete users. This gives users access to the system and to the devices recorded in the system.

  • Page 68: Digital Output (Mfr)

    8 Operation SMA Solar Technology AG You can use the following parameters to set the manual restart after an arc fault detection. Channel Name Settings Opera- Manual restart activated tion.ManRstr.IsOn Opera- Manual restart after arc detection tion.ManRstr.ManRst rAFCI Yes, after 5 electric...

  • Page 69: Configure The Digital Output (Mfr)

    SMA Solar Technology AG 8 Operation Possible use Category Explanation Standardized measured voltage value Grid connection Standardized measured voltage value for Q(V) point from the point of interconnection. For this, you require a valid Q(V) configu- ration in the grid management ser- vices.

  • Page 70: Configuring The Digital Input Di 1-4 For The External Setpoint

    8 Operation SMA Solar Technology AG 3. Select the menu item I/O configurations. 4. Select the type of the I/O channel Digital input. 5. Select the use for the digital input Signal fast stop. 6. Select the System Manager to which the switch for the fast stop is connected.

  • Page 71: Grid And Pv System Protection

    • The activation key must be present. You can find the activation key on the invoice that was sent to the e-mail address, which has been stored in the customer profile of the SMA Online Shop. • The user interface must be open and you must be logged in as Installer or Administrator.

  • Page 72: Backup File

    8 Operation SMA Solar Technology AG Procedure: 1. Select the product in the focus navigation. 2. Select the menu Configuration. 3. Select the Digital products menu item. 4. In the row of the product to be activated, click the [Activate] button.

  • Page 73: Carry Out A Manual Firmware Update

    ☐ An update file with the desired inverter firmware must be available. You can download the update file, for example, from the product page under www.SMA-Solar.com. ☐ The user interface must be open and you must be logged in as Installer or Administrator.

  • Page 74: Resetting The Product To Default Setting

    8 Operation SMA Solar Technology AG Procedure: 1. Select the system in the focus navigation. 2. Select the menu Configuration. 3. Select the Device management menu item. 4. In the row of the device to be deleted, click the button.

  • Page 75: Disconnecting The Inverter From Voltage Sources

    SMA Solar Technology AG 9 Disconnecting the Inverter from Voltage Sources 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 76 9 Disconnecting the Inverter from Voltage Sources SMA Solar Technology AG 7. Unscrew the screws (TX25) of the lid if the DC terminal cover is present. 8. Remove the lid downwards if the DC terminal cover is present. 9. Use a current clamp to ensure that no current is present in the DC cables.
  • Page 77 SMA Solar Technology AG 9 Disconnecting the Inverter from Voltage Sources DANGER Danger to life due to electric shock when touching exposed DC conductors or DC plug contacts if the DC connectors are damaged or loose The DC connectors can break or become damaged, become free of the DC cables, or no longer be connected correctly if the DC connectors are released and disconnected incorrectly.
  • Page 78 9 Disconnecting the Inverter from Voltage Sources SMA Solar Technology AG 16. Check that there is no voltage between L1 and N, L2 and N, and L3 and N at the AC terminal block for connecting the utility grid. Use a suitable measuring device for this purpose.

  • Page 79: Cleaning

    SMA Solar Technology AG 10 Cleaning 10 Cleaning The product must be cleaned regularly to ensure that the product is free of dust, leaves and other dirt. NOTICE Damage to the product due to cleaning agents The use of cleaning agents may cause damage to the product and its components.

  • Page 80: Troubleshooting

    11 Troubleshooting SMA Solar Technology AG 11 Troubleshooting 11.1 Event messages 11.1.1 Event 101 Event message: • Grid incident Explanation: The grid voltage or grid impedance at the connection point of the inverter is too high. The inverter has disconnected from the utility grid.
  • Page 81 SMA Solar Technology AG 11 Troubleshooting 11.1.3 Event 103 Event message: • Grid incident Explanation: The grid voltage or grid impedance at the connection point of the inverter is too high. The inverter has disconnected from the utility grid. Corrective measures: •...
  • Page 82 11 Troubleshooting SMA Solar Technology AG Explanation: The ten-minute average value of the grid voltage is no longer within the permissible range. The grid voltage or grid impedance at the connection point is too high. The inverter disconnects from the utility grid to maintain power quality.
  • Page 83 SMA Solar Technology AG 11 Troubleshooting 11.1.8 Event 404 Event message: • Grid incident 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 84 11 Troubleshooting SMA Solar Technology AG Corrective measures: • If possible, check the grid frequency and observe how often fluctuations occur. If fluctuations occur frequently and this message is displayed often, contact the grid operator and request approval to change the operating parameters of the inverter. If the grid operator gives approval, discuss any changes to the operating parameters with the Service.
  • Page 85 SMA Solar Technology AG 11 Troubleshooting 11.1.13 Event 1001 Event message: • L / N swapped Explanation: Incorrect installation of the L / N connection. Corrective measures: • Check the AC wiring from the inverter to the feed-in meter. • Check the AC voltages on the inverter connection.
  • Page 86 11 Troubleshooting SMA Solar Technology AG 11.1.16 Event 1501 Event message: • Reconnection fault grid Explanation: The changed country standard 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 87 SMA Solar Technology AG 11 Troubleshooting 11.1.19 Event 3701 Event message: • Residual current too high • Check generator Explanation: The inverter has detected a residual current through brief grounding of the PV module. Corrective measures: • Check the PV system for ground faults.
  • Page 88 11 Troubleshooting SMA Solar Technology AG • Wait for higher irradiation. • If this message is displayed frequently in the morning, increase the voltage limit for starting grid feed-in. Change the parameter Critical voltage to start feed-in. • If this message is displayed frequently with medium irradiation, ensure that the PV module is correctly rated.
  • Page 89 SMA Solar Technology AG 11 Troubleshooting • 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 90 11 Troubleshooting SMA Solar Technology AG Corrective measures: • Check the grid voltage and connection on the inverter. If the grid voltage lies outside the permissible range due to local grid conditions, ask your grid operator if the voltage can be adjusted at the feed-in point or if it would be acceptable to change the monitored operating limits.
  • Page 91 SMA Solar Technology AG 11 Troubleshooting 11.1.31 Event 7702 Event message: • Self-diagnosis • Interference device Explanation: The cause must be determined by the Service. Corrective measures: • Contact Service. 11.1.32 Event 7703 Event message: • Self-diagnosis • Interference device Explanation: The cause must be determined by the Service.
  • Page 92 11 Troubleshooting SMA Solar Technology AG 11.1.34 Event 8501 Event message: • Offset DC current sensor C. Corrective measures: • If this message is displayed again, contact the Service. 11.1.35 Event 8708 Event message: • Timeout in communication for active power limitation Explanation: Communication to the system control absent.
  • Page 93 11.1.38 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. 11.1.39 Event 9003 Event message: •...
  • Page 94 11 Troubleshooting SMA Solar Technology AG Corrective measures: • Ensure that the AC connection is correct. • Ensure that the country data set has been entered correctly. • Restart the self-test. 11.1.41 Event 9033 Event message: • Rapid shutdown has been triggered Explanation: The inverter detected the triggering of a Rapid Shutdown.

  • Page 95: Calculating The Insulation Resistance

    SMA Solar Technology AG 11 Troubleshooting 11.1.44 Event 9038 Event message: • Redundant rapid shutdown discharge function not assured Explanation: The cause must be determined by the Service. Corrective measures: • Contact Service. 11.2 Calculating the insulation resistance The expected total resistance of the PV system or of an individual string can be calculated using the...

  • Page 96: Checking The Pv System For Ground Faults

    11 Troubleshooting SMA Solar Technology AG 11.3 Checking the PV System for Ground Faults If the red LED is glowing and the event number 3501, 3601 or 3701 is being displayed in the Results menu on the inverter user interface, there may be a ground fault present. The electrical insulation from the PV system to ground is defective or insufficient.

  • Page 97: Cleaning The Fans

    SMA Solar Technology AG 11 Troubleshooting Device required for safe disconnection and short-circuiting of the PV modules The insulation resistance can only be measured with a suitable device for safe disconnection and short-circuiting of the PV modules. If no suitable device is available, the insulation measurement must not be carried out.

  • Page 98: Manual Restart After Electric Arc

    11 Troubleshooting SMA Solar Technology AG 2. Press the two locking tabs together to release the fan drawer and carefully pull the enclosure with the fan out downward. 3. Disconnect the fan connector in the unlocked state. 4. Clean the fan assembly with a soft brush or a vacuum cleaner.

  • Page 99: Decommissioning The Product

    SMA Solar Technology AG 12 Decommissioning the Product 12 Decommissioning the Product 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 100: Disposal

    13 Disposal SMA Solar Technology AG 13 Disposal The product must be disposed of in accordance with the locally applicable disposal regulations for waste electrical and electronic equipment. STPxx-50-BE-en-11 Operating manual...

  • Page 101: Technical Data

    SMA Solar Technology AG 14 Technical Data 14 Technical Data 14.1 General Data Width x height x depth 728 mm x 762 mm x 266 mm Weight 35 kg Length x width x height of the packaging 800 mm x 880 mm x 400 mm Transport weight 40.5 kg Climatic category in accordance with IEC...

  • Page 102: Dc Input

    14 Technical Data SMA Solar Technology AG 14.2 DC Input STP 12-50 STP 15-50 STP 20-50 STP 25-50 Maximum power 18000 Wp STC 22500 Wp STC 30000 Wp STC 37500 Wp STC of PV array Maximum input 1000 V 1000 V 1000 V 1000 V...
  • Page 103 SMA Solar Technology AG 14 Technical Data STP 12-50 STP 15-50 STP 20-50 STP 25-50 Maximum appar- 12000 VA 15000 VA 20000 VA 25000 VA ent power Rated apparent 12000 VA 15000 VA 20000 VA 25000 VA power Nominal grid volt- 220 V / 380 V, 220 V / 380 V, 220 V / 380 V, 220 V / 380 V,...

  • Page 104: Digital Inputs

    14 Technical Data SMA Solar Technology AG STP 12-50 STP 15-50 STP 20-50 STP 25-50 Operating range 54 Hz to 66 Hz 54 Hz to 66 Hz 54 Hz to 66 Hz 54 Hz to 66 Hz at grid frequency 60 Hz Power factor at rated power Displacement 0.0 overexcited to 0.0 overexcited to...

  • Page 105: Communication

    SMA Solar Technology AG 14 Technical Data 14.6 Communication SMA devices Max. 5 inverters with SMA Speedwire and 1 energy meter, 100 Mbit/s I/O systems and meters Ethernet, 10/100 Mbit/s, Modbus TCP 14.7 Data Storage Capacity 1-minute values 7 days 5-minute values 7 days...

  • Page 106: Climatic Conditions

    14 Technical Data SMA Solar Technology AG 14.10 Climatic Conditions Installation in accordance with IEC 60721-3-4, Class 4K26 Extended temperature range -25°C to +60°C Extended humidity range 0% to 100% Threshold for relative humidity, non-condensing 100 % Extended air pressure range  79.5 kPa to 106 kPa Transport in accordance with IEC 60721-3-4, Class 2K12 Temperature range -40°C to +70°C...

  • Page 107: Accessories

    SMA Sensor Module MD.SEN-40 SMA Sensor Module with interfaces for the connection of different sensors as accessories for Sunny Tripower X and Sunny Tripower CORE1 consisting of module, mounting material and terminal blocks...
  • Page 108 16 Contact SMA Solar Technology AG 16 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 •...
  • Page 109 (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 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 110 • 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.
  • Page 112 www.SMA-Solar.com...

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