SMA SUNNY ISLAND 4.4M Replacement Of Various Components
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SMA SUNNY ISLAND 4.4M Replacement Of Various Components

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Replacement of Various Components
SUNNY ISLAND 4.4M / 6.0H / 8.0H
ENGLISH
SI44M-80H-12-SG-en-12 | Version 1.2

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Summary of Contents for SMA SUNNY ISLAND 4.4M

  • Page 1 Replacement of Various Components SUNNY ISLAND 4.4M / 6.0H / 8.0H ENGLISH SI44M-80H-12-SG-en-12 | Version 1.2...
  • 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

    SMA Solar Technology AG Table of Contents Table of Contents Information on this Document..................... Validity ................................Target Group ..............................Content and Structure of this Document......................Levels of warning messages..........................Symbols in the Document..........................Typographies in the document ........................Additional Information.............................

  • Page 4: Information On This Document

    The tasks described in this document must only be performed by qualified persons. Qualified persons must have the following skills: • Training and approval must be made by SMA Solar Technology AG or subsidiary companies of SMA Solar Technology AG to carry out the activities described in this document •...

  • Page 5: Symbols In The Document

    • Button or key to be selected or pressed [Button] • Select [Enter]. [Key] Additional Information For more information, please go to www.SMA-Solar.com. Title and information content Type of information Mounting, installation, commissioning, operation, configuration, troubleshooting Operating manual and decommissioning...

  • Page 6: Safety

    SMA Solar Technology AG shall not be held liable for any damage caused directly or indirectly due to such changes by unauthorized persons.
  • Page 7 SMA Solar Technology AG 2 Safety DANGER Danger to life due to electric shock when operating a damaged product Operating a damaged product can lead to hazardous situations since high voltages can be present on accessible product parts. Touching live parts and cables results in death or lethal injuries due to electric shock.
  • Page 8 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 9: Component Overview

    SMA Solar Technology AG 3 Component Overview 3 Component Overview Figure 1: Overview of the assemblies in the inverter Position Designation SI-LED SI-BFSLAN SI-AST Replacement of Various Components SI44M-80H-12-SG-en-12...

  • Page 10: Replaceable Components And Order Numbers

    4 Replaceable Components and Order Numbers SMA Solar Technology AG 4 Replaceable Components and Order Numbers Assembly SI-AST SIAST50-48PS (Material description: SP-SIAST50-48PS Material number: SP-SIAST50-48PS) for SI4.4M-12, comprising: Designation Quantity Assembly SIAST50-48PS Screw and washer assembly M4x15 with pan head...
  • Page 11 SMA Solar Technology AG 4 Replaceable Components and Order Numbers Assembly SI-BFSLAN SIBFSLAN (Material description: SP-SIBFSLAN Material number: SP-SIBFSLAN) for SI4.4M-12 / SI6.0H-12 / SI8.0H-12, consisting: Designation Quantity Assembly SIBFSLAN Printed circuit board retaining clip Label with identification key (PIC), registra-...

  • Page 12: Additionally Required Materials And Equipment

    5 Additionally Required Materials and Equipment SMA Solar Technology AG 5 Additionally Required Materials and Equipment Material: Material Quantity Explanation Ethanol cleaning agent (e.g. Isopropanol) – For cleaning the contact surfaces during SI-AST in- stallation Equipment: Equipment Quantity Explanation Adjustable torque wrench (measurement...

  • Page 13: Disconnecting The Inverter From Voltage Sources

    SMA Solar Technology AG 6 Disconnecting the Inverter from Voltage Sources 6 Disconnecting the Inverter from Voltage Sources NOTICE The replacment of SI-BFSLAN assembly in a slave is possible as of firmware version 1.02.11.R. If an older firmware version than 1.02.11.R is installed in the master of a Sunny Island system, the system cannot be started properly anymore after replacing the SI-BFSLAN in a slave.

  • Page 14: Component Replacement

    7 Component Replacement SMA Solar Technology AG 7 Component Replacement Replacement of the assembly SI-AST 7.1.1 Overview of the assembly connections Figure 2: Overview of the assembly connections (example) Position Designation Internal power cables Internal control and measuring cables Center busbars...

  • Page 15: Removing The Si-Ast

    SMA Solar Technology AG 7 Component Replacement 7.1.2 Removing the SI-AST 1. Disconnect the inverter from all voltage sources (see Section 6, page 13). 2. Label the terminal used on each connected cable. Use marking tape and a waterproof marker to do this.

  • Page 16: Installing The Si-Ast

    7 Component Replacement SMA Solar Technology AG 15. Remove the protective cover. Unscrew all fastening screws of the protective cover (TX 20). 16. Only unscrew the spacer bolts at the marked positions (Allen Key AF 7). 17. Unscrew all fastening screws of the SI-AST (TX 20) and dispose of the mounting screws.
  • Page 17 SMA Solar Technology AG 7 Component Replacement Figure 3: Handling areas of the SI-AST Position Designation Area of the assembly that can be touched without consequence. Area that can be used as a holding point during mounting. The remaining areas may not be touched. The assembly can be damaged through touching.
  • Page 18 7 Component Replacement SMA Solar Technology AG 4. Tighten the provided screw and washer assemblies M4x15 at all anchoring points (TX 20, torque: 2 Nm). 5. Tighten the spacer bolts of the DC protective cover at the three marked positions (Allen key AF 7, torque: 2 Nm).
  • Page 19 SMA Solar Technology AG 7 Component Replacement 7. Clean the contact surfaces of the center busbars using a clean cloth and ethanol cleaning agent and do not touch the contact surfaces after cleaning. 8. Position the center busbars above the contact surfaces, insert the provided screw and washer assemblies M6x20 and tighten in the specified sequence (TX 30, torque: 6 Nm).
  • Page 20 7 Component Replacement SMA Solar Technology AG 17. Position the carrier plate including the SI-LED assembly above the spacer bolts and tighten the fastening screws (TX 20, torque: 2 Nm). 18. Fasten the connection cable of the assembly SI-LED on the assembly SI-AST.

  • Page 21: Replacement Of The Assembly Si-Bfslan

    29. Check whether the current firmware version is installed. For this purpose, read off the installed firmware version in the footer and compare it with the firmware version available at www.SMA-Solar.com. If the installed firmware version is not up-to-date, update to the latest firmware version of the inverter (see inverter operating manual).

  • Page 22: Installing The Si-Bfslan

    7 Component Replacement SMA Solar Technology AG 5. Carefully remove the assembly by pulling it towards you. Press together both locking tabs with pliers on each printed circuit board retaining clip. 7.2.2 Installing the SI-BFSLAN Figure 4: Handling areas of the SI-BFSLAN...
  • Page 23 SMA Solar Technology AG 7 Component Replacement Procedure: 1. Check whether all printed circuit board retaining clips are in place and intact. • If the locking tab of a printed circuit board retaining clip is damaged, cut off the printed circuit board retaining clip in question with electronic diagonal cutting pliers.
  • Page 24 17. Check whether the current firmware version is installed. For this purpose, read off the installed firmware version in the footer and compare it with the firmware version available at www.SMA-Solar.com. If the installed firmware version is not up-to-date, update to the latest firmware version of the inverter (see inverter operating manual).

  • Page 25: Replacement Of The Assembly Si-Led

    SMA Solar Technology AG 7 Component Replacement Serial number of the new assembly in the user interface as device name The serial number of the new assembly is stored as a new device name in the inverter user interface. The previous device name of the inverter is no longer shown.
  • Page 26 7 Component Replacement SMA Solar Technology AG • If any printed circuit board retaining clips are missing or have been cut off, insert the supplied printed circuit board retaining clips in these positions. 2. Align the assembly and insert it into the inverter. When doing so, ensure that the printed circuit board retaining clips snap into place correctly.

  • Page 27: Performing The Vac Test

    SMA Solar Technology AG 8 Performing the VAC Test 8 Performing the VAC Test Due to the replacement of the assembly, elements in the supply voltage measurement area were replaced. To ensure that the supply voltage measurement in the inverter has the required accuracy, the installer must carry out a VAC test.

  • Page 28: Recommissioning The Inverter

    9 Recommissioning the Inverter SMA Solar Technology AG 9 Recommissioning the Inverter If you have disconnected the inverter from all voltage sources and want to recommission it, proceed as follows. Requirements: ☐ All circuit breakers in the AC distribution board must be open.

  • Page 29: Packing And Returning The Defective Assembly / Disposing Of The Defective Assembly

    • Pack the defective assembly for shipping. Use the original packaging for this, or packaging that is suitable for the weight and size of the assembly. • Organize the return shipment to SMA Solar Technology AG. To do this, contact Service (refer to www.SMA- Solar.com for contact details).

  • Page 30: Contact

    +49 561 9522-3199 Slovensko SMA Online Service Center: Sunny Island, Sunny Boy Storage, www.SMA-Service.com Sunny Backup: Türkiye SMA Service Partner DEKOM Ltd. Şti. +49 561 9522-399 +90 24 22430605 Sunny Central, Sunny Central Storage: +49 561 9522-299 SMA Online Service Center: www.SMA-Service.com SMA Online Service Center: www.SMA-Service.com...
  • Page 31 SMA Solar Technology AG 11 Contact South Africa SMA Solar Technology South Africa Argentina SMA South America SPA Pty Ltd. Brasil Santiago de Chile Cape Town Chile +562 2820 2101 08600SUNNY (08600 78669) Perú International: +27 (0)21 826 0699 SMA Online Service Center: www.SMA-Service.com...
  • Page 32 www.SMA-Solar.com...

This manual is also suitable for:

Sunny island 6.0hSunny island 8.0hSi4.4m-12Si6.0h-12Si8.0h-12

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