SMA SUNNY TRIPOWER 125 Operating Manual
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SMA SUNNY TRIPOWER 125 Operating Manual

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Operating Manual
SUNNY TRIPOWER 125
ENGLISH
STPxxx-70-BE-en-11 | Version 1.1

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Summary of Contents for SMA SUNNY TRIPOWER 125

  • Page 1 Operating Manual SUNNY TRIPOWER 125 ENGLISH STPxxx-70-BE-en-11 | Version 1.1...

  • Page 2: Legal Provisions

    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: Table Of Contents

    Fast stop function ..................23 5.3.9 Grid and PV system protection .............. 23 5.3.10 Wi-Fi......................23 5.3.11 Wi-Fi connection to SMA 360° app and SMA Energy app....23 5.3.12 SMA Speedwire ..................24 5.3.13 SMA Webconnect.................. 24 LED Signals ......................... 24 System overview......................
  • Page 4 Table of contents SMA Solar Technology AG 6.1.3 Recommended clearances ..............27 Mounting to Profile Rails.................... 27 6.2.1 Requirements for mounting on profile rails..........27 6.2.2 Mounting the Product to Profile Rails............. 28 Mounting the Product on a Wall................31 Opening the Cable Compartment ..........
  • Page 5 SMA Solar Technology AG Table of contents 10.2 Procedure for commissioning with communication device ........55 10.3 Commissioning the Inverter..................55 10.4 Logging into the user interface for the first time............56 10.5 Carry out the configuration using the installation assistant........57 10.6...
  • Page 6 Table of contents SMA Solar Technology AG 11.31 Setting SMA ShadeFix....................77 12 Disconnecting the Inverter from Voltage Sources....78 13 Troubleshooting ............... 80 13.1 Overview of the designations for MPP trackers ............80 13.2 Event messages ......................80 14 Maintenance................106 14.1...

  • Page 7: Information On This Document

    "Qualified person". Tasks that do not require any particular qualification are not marked and can also be performed by end users. Qualified persons must have the following skills: • Knowledge of how to safely disconnect SMA inverters • Knowledge of how an inverter works and is operated •...

  • Page 8: Typographies In The Document

    "PUBLIC CYBER SECURITY - Guidelines for a Secure PV System Technical Information Communication" "Efficiency and Derating" Technical Information Efficiency and derating behavior of the SMA inverters "Compatibility between common grid configurations and SMA in- Technical Information verters and SMA charging stations" STPxxx-70-BE-en-11...
  • Page 9 SMA Solar Technology AG 1 Information on this Document Title and information content Type of information "Impedance at 175 Hz for PV Systems in France" Technical Information "Arc-fault circuit interrupter" Technical Information Operating Manual STPxxx-70-BE-en-11...

  • Page 10: 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 11: Important Safety Information

    SMA Solar Technology AG 2 Safety The product is not equipped with an integrated transformer and therefore has no galvanic isolation. The product must not be operated with PV modules whose outputs are grounded. This can cause the product to be destroyed. The product may be operated with PV modules whose frame is grounded.
  • Page 12 2 Safety SMA Solar Technology AG DANGER Danger to life due to electric shock in case of overvoltages and if surge protection is missing Overvoltages (e.g., in the event of a flash of lightning) can be further conducted into the building and to other connected devices in the same network via the network cables or other data cables if there is no surge protection.
  • Page 13 SMA Solar Technology AG 2 Safety WARNING Danger to life due to electric shock from destruction of the measuring device due to overvoltage Overvoltage can damage a measuring device and result in voltage being present in the enclosure of the measuring device. Touching the live enclosure of the measuring device results in death or lethal injuries due to electric shock.
  • Page 14 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 15: Scope Of Delivery

    SMA Solar Technology AG 3 Scope of delivery 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. Position Quantity Designation Inverter Connecting rod for mounting bracket Bracket part for mounting bracket Cylindrical screw M4 x 10...
  • Page 16 3 Scope of delivery SMA Solar Technology AG Position Quantity Designation 6-pole terminal block, pre-assembled Two-hole sealing block for communication terminal with inserts for cable diameters from 4.5 mm to 6 mm and 6 mm to 8 mm Documentation package consists of: •...

  • Page 17: Additionally Required Materials And Equipment

    SMA Solar Technology AG 4 Additionally Required Materials and Equipment Additionally Required Materials and Equipment Material Quan- Explanation tity Profile rail (length: min. 1100 mm, depth: max. Required exclusively if the product is 60 mm, height: 50 mm to 80 mm) intended to be mounted using a pro-...
  • Page 18 4 Additionally Required Materials and Equipment SMA Solar Technology AG Aids Quan- Explanation tity Hammer drill with Ø 12 mm and Ø 14 mm drill For drilling the bore holes for mount- Spirit level For aligning the mounting bracket Rubber mallet...

  • Page 19: Product Overview

    5 Product overview Product overview Product Description Figure 1: Design of the product Position Designation SMA Easy Lock enclosure lock LEDs The LEDs indicate the operating state of the product. Cable compartment cover External ground connection (see Section 9.2.2, page 40) Type label The type label clearly identifies the product.
  • Page 20 5 Product overview SMA Solar Technology AG Symbol Explanation Beware of electrical voltage The product operates at high voltages. Beware of hot surface The product can get hot during operation. Danger to life due to high voltages in the inverter; observe a waiting time of 5 5 min minutes.

  • Page 21: Interfaces And Functions

    SMA Solar Technology AG 5 Product overview 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 22: Modbus

    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 23: Fast Stop Function

    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 24: Sma Speedwire

    SMA Solar Technology AG 5.3.12 SMA Speedwire The product is equipped with SMA Speedwire as standard. SMA Speedwire is a type of communication based on the Ethernet standard. SMA Speedwire is designed for a data transfer rate of 100 Mbps and enables optimum communication between Speedwire devices within systems.

  • Page 25: System Overview

    SMA Solar Technology AG 5 Product overview LED signal Explanation Red LED is flashing Warning (0.25 s on, 0.25 s off, Communication with a superordinate plant controller has failed. The in- 0.25 s on, 1.25 s off) verter continues to operate with restricted function (e.g. with set fallback level).

  • Page 26: Mounting

    6 Mounting SMA Solar Technology AG Mounting Requirements for Mounting 6.1.1 Requirements for the Mounting Location WARNING Danger to life due to fire and deflagration In rare cases, an explosive gas mixture can be generated inside the product under fault conditions.

  • Page 27: Recommended Clearances

    SMA Solar Technology AG 6 Mounting 90°... >20° 0° Figure 3: Permitted and prohibited mounting positions 6.1.3 Recommended clearances ☐ Recommended distances to walls, other devices and objects should be maintained. ☐ If multiple products are mounted in areas with high ambient temperatures, increase the clearances between the products and ensure sufficient fresh-air supply.

  • Page 28: Mounting The Product To Profile Rails

    6 Mounting SMA Solar Technology AG Figure 4: Dimensions of the mounting bracket (dimensions in mm) 6.2.2 Mounting the Product to Profile Rails 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 29 SMA Solar Technology AG 6 Mounting Procedure: 1. Screw the bracket parts to the ends of the connecting rod (PH2, torque: 1.5 Nm) using the cheese head screws (M4x10) to mount the mounting bracket. 2. Align the mounting bracket using a spirit level and mark the drilling positions on the profile rails.
  • Page 30 6 Mounting SMA Solar Technology AG 6. If the inverter is to be hooked into the mounting bracket using a lifting gear, screw the eye bolts into the 2 upper threaded holes on the right-hand and left-hand side of the inverter and attach the lifting gear to them.

  • Page 31: Mounting The Product On A Wall

    SMA Solar Technology AG 6 Mounting 10. Use the hexagon head screws (M6x65) to attach the inverter to the mounting bracket (PH3, tightening torque: 4.5 Nm). 11. If the inverter was hooked into the mounting bracket without lifting gear, remove the carrying handles from the threaded holes on the right and left side.
  • Page 32 6 Mounting SMA Solar Technology AG 2. Align the mounting bracket using a spirit level and mark the drilling positions. 3. Drill the bore holes (Ø 12 mm) at the marked areas. 4. Attach the mounting bracket to the wall using the heavy-duty anchors.
  • Page 33 SMA Solar Technology AG 6 Mounting 7. If the inverter is to be hooked into the mounting bracket without using a lifting gear, screw the carrying handles as far as they will go into the threaded holes on the right-hand and left-hand side until they lie flush with the enclosure.

  • Page 34: Opening The Cable Compartment

    7 Opening the Cable Compartment SMA Solar Technology AG Opening the Cable Compartment For some of the actions described in this document, the cable compartment must be opened. Procedure: 1. Disconnect the inverter from voltage sources and secure it against being switched on again (see Section 12, page 78).

  • Page 35: Installing Optional Ac Sealing Plate

    Installing Optional AC Sealing Plate An optional AC sealing plate with 5 sealing rings can be used for the product. The optional AC sealing plate can be ordered in the SMA online shop (www.sma-onlineshop.com) by indicating the material number 211813-00.01.

  • Page 36: Electrical Connection

    9 Electrical Connection SMA Solar Technology AG Electrical Connection Requirements for the electrical connection 9.1.1 Permitted grid configurations The inverter approved for operation in the following utility grids: • TN-C • TN-S • TN-C-S • TT (if UN_PE < 20 V) Operation of the inverter in IT or Delta IT grids is not permitted.

  • Page 37: Load-Break Switch And Cable Protection

    ☐ The inverter is compatible with type B residual-current devices with a rated residual current of 1250 mA or higher (see Technical Information "Criteria for Selecting a Residual-Current Device" in www.SMA-Solar.com for information on how to select a residual-current device). Each inverter in the system must be connected to the utility grid via a separate residual-current device.

  • Page 38: Network Cable Requirements

    9 Electrical Connection SMA Solar Technology AG ☐ Sheath stripping length: 120 mm to 150 mm ☐ The cable must be dimensioned in accordance with the local and national directives for the dimensioning of cables. The requirements for the minimum conductor cross-section derive from these directives.

  • Page 39: Overview Of The Connection Area

    SMA Solar Technology AG 9 Electrical Connection Overview of the Connection Area 9.2.1 View from Below Figure 6: Enclosure openings at the bottom of the inverter Position Designation Positive and negative connectors for DC connection DC load-break switch Cable gland for connecting the communication...

  • Page 40: Interior View

    9 Electrical Connection SMA Solar Technology AG 9.2.2 Interior View Figure 7: Connection area inside the inverter Position Designation AC connection area Sealing plate for the AC connection Terminal for external grounding Connection for Ethernet communication 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 41: Connecting The Inverter To The Utility Grid

    SMA Solar Technology AG 9 Electrical Connection Connecting the Inverter to the Utility Grid Required material (not included in the scope of delivery): ☐ Protective grease (only for conductors made of aluminum) ☐ 4 heat-shrink tubings ☐ 4 ring terminal lugs with hole diameter 12 mm (for conductors made of aluminum bimetal...
  • Page 42 9 Electrical Connection SMA Solar Technology AG 8. Route the cable through the sealing plate for the AC connection into the device. 9. Open the protective cover. 10. Pull 1 heat-shrink tubing each over conductors L1, L2, L3, N and the grounding conductor. The heat-shrink tubing must be below the stripped conductor section.

  • Page 43: Connecting The External Protective Grounding

    SMA Solar Technology AG 9 Electrical Connection 15. Move the limiting lever back to its original position and close the cable compartment cover. 16. Tighten the 2 screws on the cable compartment cover (TX30, tightening torque: 4.2 Nm to 4.5 Nm). Connecting the external protective grounding An additional grounding of the inverter is required to protect from touch current in case the grounding conductor fails at the terminal of the AC cable.

  • Page 44: Communication Connection

    9 Electrical Connection SMA Solar Technology AG Communication Connection 9.6.1 Overview of the COM assembly connections Figure 8: Digital inputs on the COM assembly Position Designation Ethernet connections Not allowed to be connected Terminal for fast stop Terminal for digital inputs for curtailment Connection for the multifunction relay 9.6.2...
  • Page 45 SMA Solar Technology AG 9 Electrical Connection Procedure: 1. When using a self-assembly network cable, assemble the RJ45 connectors and connect them to the network cable (see connector documentation). 2. Remove the cover from the communication connection area. 3. Remove the swivel nut from one of the cable glands for the communication cable.

  • Page 46: Fast Stop Circuitry Overview

    9 Electrical Connection SMA Solar Technology AG 12. If the inverter is installed outdoors, install overvoltage protection for all components in the network. 13. To integrate the inverter into a local network, connect the other end of the network cable to the local network (e.g., via a router).

  • Page 47: Connecting The Multifunction Relay

    SMA Solar Technology AG 9 Electrical Connection 5. Remove the cover from the communication connection area. 6. Remove the swivel nut from an unused cable gland for communication cables. 7. Thread the swivel nut over the connection cable. 8. Remove the two-hole cable support sleeve from the cable gland. As required, use the cable support sleeve for a cable diameter of between 4.5 mm to 6 mm or between 6 mm to 8 mm...

  • Page 48: Connection To Digital Input

    9 Electrical Connection SMA Solar Technology AG Procedure: 1. Remove the cover from the communication connection area. 2. Remove the swivel nut from one of the cable glands for the communication cable. 3. Thread the swivel nut over the cable.

  • Page 49: Pin Assignment Di: D1-D4, Vcc

    SMA Solar Technology AG 9 Electrical Connection 9.7.2 Pin assignment DI: D1-D4, Vcc Digital input D1-4 Labeling on Assignment Inverter Digital input 1 Digital input 2 Digital input 3 Digital input 4 Vcc (12 V) Voltage supply output Vcc (12 V) Voltage supply output 9.7.3 Circuitry overview DI: D1-D4, Vcc Digital inputs Figure 10: Connection of a remote terminal unit to the digital input DI D1-D4, Vcc of the Sunny Tripower.

  • Page 50: Dc Connection

    9 Electrical Connection SMA Solar Technology AG 7. Remove the two-hole cable support sleeve from the cable gland. As required, use the cable support sleeve for a cable diameter of between 4.5 mm to 6 mm or between 6 mm to 8 mm that is included in the scope of delivery.

  • Page 51: Assembling The Dc Connectors

    SMA Solar Technology AG 9 Electrical Connection 9.8.2 Assembling the DC Connectors For connection to the inverter, all PV module connection cables must be fitted with the DC connectors provided. Assemble the DC connectors as described in the following. The procedure is identical for both connectors (+ and -).

  • Page 52: Connecting The Pv Array

    9 Electrical Connection SMA Solar Technology AG ☑ The stranded wire can be seen inside the clamping bracket chamber. 4. If the stranded wire is not visible in the chamber, the cable is not correctly inserted and the connector must be reassembled. To do this, the cable must be removed from the connector.
  • Page 53 SMA Solar Technology AG 9 Electrical Connection WARNING Danger to life due to electric shock from destruction of the measuring device due to overvoltage Overvoltage can damage a measuring device and result in voltage being present in the enclosure of the measuring device. Touching the live enclosure of the measuring device results in death or lethal injuries due to electric shock.
  • Page 54 9 Electrical Connection SMA Solar Technology AG 5. Ensure that the open-circuit voltage of the PV array does not exceed the maximum input voltage of the inverter. 6. Connect the assembled DC connectors to the inverter. ☑ The DC connectors snap into place.

  • Page 55: Commissioning

    SMA Solar Technology AG 10 Commissioning 10 Commissioning 10.1 Commissioning Procedure This section describes the procedure for commissioning the product. It provides an overview of the steps, which must be performed in the prescribed sequence. Procedure Commission the inverter. Section 10.3, page 55 Establish a connection to the user interface of the product.

  • Page 56: Logging Into The User Interface For The First Time

    4. Click on Save. 5. In the New password field, enter a password for the Installer user group. Assign a uniform password to all SMA devices to be registered in a system. The installer password is also the system password.

  • Page 57: Carry Out The Configuration Using The Installation Assistant

    SMA Solar Technology AG 10 Commissioning 10.5 Carry out the configuration using the installation assistant The installation assistant helps you to configure the inverter and guides you to the most important settings. Requirements: ☐ You are logged in as Installer, and the user interface is open on the Configuring the Inverter page.

  • Page 58: Carry Out The Configuration Manually

    10 Commissioning SMA Solar Technology AG 2. Select [Browse...] and select the desired file. 3. Select [Import file]. 10.7 Carry out the configuration manually You can configure the inverter manually by setting the desired parameters. Requirements: ☐ You are logged in as Installer, and the user interface is open on the Configuring the Inverter page.

  • Page 59: Operation

    On the Configuring the Inverter page, different configuration options for the first configuration of the device are available to choose from. SMA Solar Technology AG recommends carrying out the configuration with the installation assistant. This way, you ensure that all relevant parameters are set for optimal inverter operation.
  • Page 60 11 Operation SMA Solar Technology AG Figure 12: Layout of the Configuring the Inverter page Position Designation Description Device information Provides the following information: • Device name • Inverter serial number • Inverter firmware version User information Provides brief information on the listed configuration...

  • Page 61: Layout Of The Installation Assistant

    SMA Solar Technology AG 11 Operation 11.3 Layout of the installation assistant The installation assistant guides you step-by-step through the steps required for initial configuration of the product. Figure 13: Layout of the installation assistant (example) Position Designation Description Configuration steps Overview of the installation assistant steps.

  • Page 62: Start Page Design Of The User Interface

    11 Operation SMA Solar Technology AG 11.4 Start Page Design of the User Interface Figure 14: Design of the user interface's home page (example) STPxxx-70-BE-en-11 Operating Manual...
  • Page 63 SMA Solar Technology AG 11 Operation Position Designation Description Menu Provides the following functions: • Home Opens the user interface home page • Instantaneous Values Current measured values of the inverter • Device Parameters The various operating parameters of the inverter can be viewed and configured here depending on the user group.
  • Page 64 • Logout Help Provides the following functions: • Displaying information on Open Source licenses used • Link to the website of SMA Solar Technology Status bar Displays the following information: • Serial number of the inverter • Inverter firmware version •...

  • Page 65: Access Rights To The User Interface

    SMA Solar Technology AG 11 Operation Position Designation Description Current power and current Temporal progression of the PV power and the consumption power consumption of the household over the se- lected time period. Please note, the power consump- tion will only be displayed if an energy meter is in- stalled in the PV system.

  • Page 66: Logging Into The User Interface

    11 Operation SMA Solar Technology AG 3. Create a user password. 4. Select [Save all] to save the changes. Also see: • Changing parameters ⇒ page 69 11.7 Logging Into the User Interface Requirement: ☐ A connection to the user interface of the inverter has been established and the login page is open.

  • Page 67: Activating The Wps Function

    SMA Solar Technology AG 11 Operation • Updating firmware via the user interface ⇒ page 76 • Layout of the installation assistant ⇒ page 61 11.10 Activating the WPS Function Requirements: ☐ WLAN must be activated in the product. ☐ WPS must be activated on the router.

  • Page 68: Configuring The Active Power Mode For Systems With External Setpoint

    11 Operation SMA Solar Technology AG • To switch on the WLAN connection in the local network, in the parameter group System communication > WLAN, select the parameter WLAN is turned on and set this to Yes. 11.13 Configuring the active power mode for systems with...

  • Page 69: Changing Parameters

    SMA Solar Technology AG 11 Operation 5. In the field Set active power limit at the grid-connection point, enter the value to which the active power at the grid-connection point is to be limited. The value must be set to 0 for zero power output.

  • Page 70: Arc-Fault Circuit Interrupter (Afci)

    The product key is stored only on the device. A lost product key cannot be recovered, it can only be recreated. Creating a product key is not mandatory, but is recommended by SMA Solar Technology AG because the product key significantly increases the security of the system. A product key must be generated for each of the user groups User and Installer.

  • Page 71: Generate New Product Key

    SMA Solar Technology AG 11 Operation Procedure: 1. Select the menu User settings. 2. Select [Access rights]. 3. Select [Product key]. 4. Enter the specific device secret of the product. Which specific device secret is used and where you can find the specific device secret is indicated on the user interface.

  • Page 72: Activate Service Access

    In the event of a malfunction of the product, it may be necessary for a service user authorized by SMA Solar Technology AG to access the user interface of the product. Service access must be activated to execute warranty services. If a quick and uncomplicated service intervention is to be enabled in an emergency, the service access must be permanently activated.

  • Page 73: Dynamic Power Display (Green Led)

    SMA Solar Technology AG 11 Operation 11.21 Dynamic power display (green LED) As standard, the product signals its power dynamically via the pulsing of the green LED. When doing so, the LED flashes on and off uniformly or is permanently lit at full power. The various gradations are related here to the set active power limit of the product.

  • Page 74: Saving The Configuration In A File

    11 Operation SMA Solar Technology AG You can set the reactive power mode using the following parameters. Channel Name Group Settings Inverter.VAr- Reactive power System and device con- Selection of various reactive ModCfg.VAr- fallback process trol > Inverter > Reactive...

  • Page 75: Configuring The Country Data Set

    The product can automatically download and install a firmware update. You can activate the automatic firmware update either via the user interface of the product or the System Manager (e.g. SMA Data Manager) or via the Sunny Portal. If the automatic firmware updated is deactivated, you can manually search and install new firmware versions.

  • Page 76: Updating Firmware Via The User Interface

    11 Operation SMA Solar Technology AG 11.28 Updating firmware via the user interface Requirements: ☐ The product must be connected to the Internet. ☐ You are logged in on the user interface as Installer. Procedure: 1. Select the menu Device Parameters.

  • Page 77: Changing The Operating Mode Of The Multifunction Relay

    Procedure: 1. Follow the procedure for changing the parameters Changing parameters. 2. In the parameter group DC-side > DC settings > SMA ShadeFix, set the parameter Time interval of SMA ShadeFix and set the required time interval. 3. Set the desired time interval. The ideal time interval is usually six minutes. This value should only be increased if the shading situation changes extremely slowly.

  • Page 78: Disconnecting The Inverter From Voltage Sources

    12 Disconnecting the Inverter from Voltage Sources SMA Solar Technology AG 12 Disconnecting the Inverter from Voltage Sources Prior to performing any work on the inverter, always disconnect it from all voltage sources as described in this section. Adhere to the prescribed sequence.
  • Page 79 SMA Solar Technology AG 12 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 80: Troubleshooting

    13 Troubleshooting SMA Solar Technology AG 13 Troubleshooting 13.1 Overview of the designations for MPP trackers The designations of the MPP trackers on the product user interface differ from the labeling on the product. In case of failure, observe the following table for troubleshooting:...
  • Page 81 SMA Solar Technology AG 13 Troubleshooting 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.
  • Page 82 13 Troubleshooting SMA Solar Technology AG • 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.
  • Page 83 SMA Solar Technology AG 13 Troubleshooting 13.2.6 Event 601 Event message: • Grid incident Explanation: The inverter has detected an excessively high proportion of direct current in the grid current. Corrective measures: • Check the grid connection for direct current.
  • Page 84 13 Troubleshooting SMA Solar Technology AG 13.2.9 Event 1416 Event message: • Grid incident Explanation: Due to a voltage imbalance between the line conductors, the system disconnects from the utility grid. Corrective measures: • Eliminate any faults in the installation.
  • Page 85 SMA Solar Technology AG 13 Troubleshooting • If the DC voltage exceeds the maximum input voltage of the inverter, ensure that the PV array has been correctly rated or contact the installer of the PV array. • If this message is repeated frequently, contact the Service.
  • Page 86 13 Troubleshooting SMA Solar Technology AG • If the DC voltage exceeds the maximum input voltage of the inverter, ensure that the PV array has been correctly rated or contact the installer of the PV array. • If this message is repeated frequently, contact the Service.
  • Page 87 SMA Solar Technology AG 13 Troubleshooting • If the DC voltage exceeds the maximum input voltage of the inverter, ensure that the PV array has been correctly rated or contact the installer of the PV array. • If this message is repeated frequently, contact the Service.
  • Page 88 13 Troubleshooting SMA Solar Technology AG • If the DC voltage exceeds the maximum input voltage of the inverter, ensure that the PV array has been correctly rated or contact the installer of the PV array. • If this message is repeated frequently, contact the Service.
  • Page 89 SMA Solar Technology AG 13 Troubleshooting • If the DC voltage exceeds the maximum input voltage of the inverter, ensure that the PV array has been correctly rated or contact the installer of the PV array. • If this message is repeated frequently, contact the Service.
  • Page 90 13 Troubleshooting SMA Solar Technology AG • If the DC voltage exceeds the maximum input voltage of the inverter, ensure that the PV array has been correctly rated or contact the installer of the PV array. • If this message is repeated frequently, contact the Service.
  • Page 91 SMA Solar Technology AG 13 Troubleshooting • Check generator Explanation: The leakage current of the inverter and the PV module is too high. There is a ground fault, a residual current or a malfunction. The inverter interrupts feed-in operation immediately after exceeding a threshold. When the fault is eliminated, the inverter automatically reconnects to the utility grid.
  • Page 92 13 Troubleshooting SMA Solar Technology AG • Start conditions not met Explanation: The feed-in conditions for the utility grid are not yet fulfilled. Corrective measures: • Ensure that the PV module is not covered by snow or otherwise shaded. • Wait for higher irradiation.
  • Page 93 SMA Solar Technology AG 13 Troubleshooting 13.2.30 Event 4014 Event message: • Reverse currents or input X polarity reversed • Check generator Explanation: The displayed input is in reverse polarity or reverse current has been detected in the input. Corrective measures: •...
  • Page 94 13 Troubleshooting SMA Solar Technology AG Corrective measures: • Check the correct polarity of the connected PV modules. • Ensure correct design and circuitry of the PV array. • If solar irradiation is sufficient, check whether the same voltage is present at the DC inputs.
  • Page 95 SMA Solar Technology AG 13 Troubleshooting 13.2.35 Event 4019 Event message: • Reverse currents or input X polarity reversed • Check generator Explanation: The displayed input is in reverse polarity or reverse current has been detected in the input. Corrective measures: •...
  • Page 96 13 Troubleshooting SMA Solar Technology AG Corrective measures: • Check the correct polarity of the connected PV modules. • Ensure correct design and circuitry of the PV array. • If solar irradiation is sufficient, check whether the same voltage is present at the DC inputs.
  • Page 97 SMA Solar Technology AG 13 Troubleshooting 13.2.40 Event 4024 Event message: • Reverse currents or input X polarity reversed • Check generator Explanation: The displayed input is in reverse polarity or reverse current has been detected in the input. Corrective measures: •...
  • Page 98 13 Troubleshooting SMA Solar Technology AG Explanation: The cause must be determined by the Service. Corrective measures: • Contact Service. 13.2.43 Event 6501 Event message: • Self-diagnosis • Overtemperature Explanation: The inverter has switched off due to excessive temperature. Corrective measures: •...
  • Page 99 SMA Solar Technology AG 13 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 100 13 Troubleshooting SMA Solar Technology AG Corrective measures: • Contact Service. 13.2.49 Event 6604 Event message: • Self-diagnosis • Overvoltage intermediate circuit (SW) Explanation: The cause must be determined by the Service. Corrective measures: • Contact Service. 13.2.50 Event 6802 Event message: •...
  • Page 101 SMA Solar Technology AG 13 Troubleshooting 13.2.52 Event 7001 Event message: • Fault sensor interior temperature Explanation: A temperature sensor in the inverter is defective and the inverter interrupts the feed-in operation. The cause must be determined by the Service.
  • Page 102 13 Troubleshooting SMA Solar Technology AG Explanation: Measurement error Corrective measures: • Contact Service. 13.2.56 Event 7600 Event message: • Self-diagnosis > Communication error Explanation: The cause must be determined by the Service. Corrective measures: • Contact Service. 13.2.57 Event 7701 Event message: •...
  • Page 103 SMA Solar Technology AG 13 Troubleshooting 13.2.59 Event 7712 Event message: • Self-diagnosis • Interference device Explanation: The cause must be determined by the Service. Corrective measures: • Contact Service. 13.2.60 Event 7729 Event message: • Self-diagnosis > Device disturbance •...
  • Page 104 13 Troubleshooting SMA Solar Technology AG 13.2.62 Event 8903 Event message: • Self-diagnosis • Interference device Explanation: The cause must be determined by the Service. Corrective measures: • Contact Service. 13.2.63 Event 9006 Event message: • Self-test 13.2.64 Event 29253 Event message: •...
  • Page 105 SMA Solar Technology AG 13 Troubleshooting 13.2.66 Event 29256 Event message: • AC overcurrent backup (fast) Explanation: The loads connected to the terminal for backup loads exceed the permissible current. Corrective measures: • Check electric circuits of backup loads and the loads connected.

  • Page 106: Maintenance

    14 Maintenance SMA Solar Technology AG 14 Maintenance 14.1 Safety during Maintenance DANGER Danger to life due to electric shock when live components or cables are touched High voltages are present in the conductive components or cables of the product. Touching live parts and cables results in death or lethal injuries due to electric shock.

  • Page 107: Servicing Schedule

    NOTICE Damage to the inverter due to unapproved spare parts If accessories and spare parts not approved by SMA Solar Technology AG are used for maintenance, the product may be damaged. • Only use spare parts approved by SMA Solar Technology AG.

  • Page 108: Removing The Fan Assembly

    14 Maintenance SMA Solar Technology AG 14.4 Removing the Fan Assembly 1. Disconnect the inverter from voltage sources and secure it against being switched on again (see Section 12, page 78). CAUTION Risk of burns due to hot enclosure parts • Wait 30 minutes for the enclosure to cool down.

  • Page 109: Installing The External Fan Assembly

    SMA Solar Technology AG 14 Maintenance 14.5 Installing the External Fan Assembly 1. Insert the fan cassette into the inverter. 2. Screw the 2 cross-head screws (M4) to the fan cassette. 3. Plug the cable connectors together and ensure that they are locked.

  • Page 110: Decommissioning

    15 Decommissioning SMA Solar Technology AG 15 Decommissioning 15.1 Disconnecting the Terminals from the Inverter To decommission the inverter completely upon completion of its service life, proceed as described in this Section. Procedure: 1. Disconnect the inverter from voltage sources and secure it against being switched on again(see Section 12, page 78).

  • Page 111: Disassembling The Dc Connectors

    SMA Solar Technology AG 15 Decommissioning 11. Remove the cover from the communication connection area. 12. Remove all connection cables from the communication assembly. 13. Remove the connection cable from the cable gland. 14. Tighten the union nut of the cable gland to the cover hand-tight.

  • Page 112: Disassembling The Inverter

    15 Decommissioning SMA Solar Technology AG 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 113 SMA Solar Technology AG 15 Decommissioning Procedure: 1. Remove the sealing screws on the sides of the inverter using a flat-blade screwdriver (4 mm). 2. Screw all 4 carrying handles or the eye bolts of the lifting gear into the threaded holes.
  • Page 114 15 Decommissioning SMA Solar Technology AG 6. Unhook the inverter from the mounting bracket. 7. If the inverter is to be shipped, pack the inverter according to its size and weight. 8. Dispose of the inverter in accordance with the locally applicable disposal regulations for electronic waste.

  • Page 115: Disposal

    SMA Solar Technology AG 16 Disposal 16 Disposal The product must be disposed of in accordance with the locally applicable disposal regulations for waste electrical and electronic equipment. Operating Manual STPxxx-70-BE-en-11...

  • Page 116: Technical Data

    17 Technical Data SMA Solar Technology AG 17 Technical Data 17.1 General Data Width x height x depth 1020 mm x 795 mm x 410 mm Weight 96 kg Way of attaching Wall mounting bracket Operating temperature range -30°C to +60°C Max. permissible value for relative humidity 100 %...

  • Page 117: Dc Input

    SMA Solar Technology AG 17 Technical Data Export limiting in accordance with AS/ EDMM-10 / EDMM-20 with compatible NZS 4777.2 Modbus counting device (Janitza UMG 604- PRO) Demand response mode in accordance with DRM0 AS/NZS 4777.2 17.2 DC Input Maximum PV array power 187500 Wp STC...

  • Page 118: Efficiency

    17 Technical Data SMA Solar Technology AG Total harmonic distortion < 3 % Grid frequency 50 Hz / 60 Hz Operating range at grid frequency 50 Hz 45 Hz to 55 Hz Operating range at grid frequency 60 Hz 55 Hz to 65 Hz Displacement power factor, adjustable 0.8 overexcited to 0.8 underexcited...
  • Page 119 SMA Solar Technology AG 17 Technical Data Multifunction relay By default, ≥ 30 V / 1 A Digital inputs 1x fast stop, 4x active power reduction Operating Manual STPxxx-70-BE-en-11...

  • Page 120: Eu Declaration Of Conformity

    (L 174/88, June 8, 2011) and 2015/863/EU (L 137/10, March 31, 2015) (RoHS) SMA Solar Technology AG confirms herewith that the products described in this document are in compliance with the fundamental requirements and other relevant provisions of the 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 121: Declaration Of Conformity

    19 UK Declaration of Conformity according to the regulations of England, Wales and Scotland 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 122 www.SMA-Solar.com...

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Stp 125-70

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