SMA FLEXIBLE STORAGE SYSTEM User Manual

Installation Manual

SMA FLEXIBLE STORAGE SYSTEM in the United Kingdom

Adjustment of electrical connection and configuration for the low-voltage grid in the United Kingdom of Great Britain and Northern Ireland

FSS-UK-IA-en-20 | Version 2.0 ENGLISH

Legal Provisions SMA Solar Technology AG

Legal Provisions

The information contained in this document is the property of SMA Solar Technology AG. Publishing its content, either partially or in full, requires the written permission of SMA Solar Technology AG. Any internal company copying of the document for the purposes of evaluating the product or its correct implementation is allowed and does not require permission.

SMA Warranty

You can download the current warranty conditions from the Internet at www.SMA-Solar.com.

Trademarks

All trademarks are recognized, even if not explicitly identified as such. A lack of identification does not mean that a product or symbol is not trademarked.

The BLUETOOTH marks by SMA Solar Technology AG is under license.

Modbus

is a registered trademark of Schneider Electric and is licensed by the Modbus Organization, Inc.

QR Code is a registered trademark of DENSO WAVE INCORPORATED.

Phillips Torx

and Pozidriv® are registered trademarks of Phillips Screw Company.

is a registered trademark of Acument Global Technologies, Inc.

word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of these

SMA Solar Technology AG

Sonnenallee 1 34266 Niestetal Germany

Tel. +49 561 9522-0 Fax +49 561 9522-100 www.SMA.de E-mail: info@SMA.de

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SMA Solar Technology AG Table of Contents

Table of Contents

1 Information on this Document. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1 Validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.2 Content of this Document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.3 Target Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.4 Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.5 Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.6 Nomenclature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1 Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2 Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3 Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.1 Planning the Installation of the SMA Flexible Storage System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.2 Planning the Installation of the Battery-Backup System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4 SMA Flexible Storage System (Self-Consumption Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4.1 Circuitry Overview of a Single-Phase SMA Flexible Storage System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4.2 Circuitry Overview of a Three-Phase SMA Flexible Storage System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

5 Battery-Backup System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.1 Single-Phase Battery-Backup System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.1.1 Automatic Transfer Switch of the Single-Phase Battery-Backup System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

5.1.2 Circuitry Overview of the Single-Phase Battery-Backup System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

5.2 Three-Phase Battery-Backup System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.2.1 Automatic Transfer Switch of the Three-Phase Battery-Backup System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

5.2.2 Circuitry Overview of the Three-Phase Battery-Backup System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

6 Extended Configuration of the Sunny Island. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

7 Changing the Configuration of the PV Inverters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Installation Manual FSS-UK-IA-en-20 3

SMA Solar Technology AG 1 Information on this Document

1 Information on this Document

1.1 Validity

This document is valid for the following device types:

• SI3.0M-11 (Sunny Island 3.0M) from firmware version 3.2

• SI4.4M-11 (Sunny Island 4.4M) from firmware version 3.2

• SI6.0H-11 (Sunny Island 6.0H) from firmware version 3.1

• SI8.0H-11 (Sunny Island 8.0H) from firmware version 3.1

1.2 Content of this Document

This document summarizes the information required in Great Britain and Northern Ireland for the installation of an SMA Flexible Storage System or an SMA Flexible Storage System with battery-backup function.

1.3 Target Group

The activities described in this document must only be performed by qualified persons. Qualified persons must have the following skills:

• Training in how to deal with the dangers and risks associated with installing and using electrical devices and batteries

• Training in the installation and commissioning of electrical devices

• Knowledge of and adherence to the local standards and directives

• Knowledge of and compliance with this document and all documentation related to the products including all safety information

1.4 Additional Information

Links to additional information can be found at www.SMA-Solar.com:

Document title Document type

SMA Smart Home Planning Guidelines

SMA Flexible Storage System with Battery-Backup Function Planning Guidelines

List of Approved Lithium-Ion Batteries Technical Information

Installation Manual FSS-UK-IA-en-20 5

1 Information on this Document SMA Solar Technology AG

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1.5 Symbols

Symbol Explanation

Indicates a hazardous situation which, if not avoided, will result in death or serious injury

Indicates a hazardous situation which, if not avoided, can result in death or serious injury

Indicates a hazardous situation which, if not avoided, can result in minor or moderate injury

Indicates a situation which, if not avoided, can result in property damage

Indicates that only the following section contains tasks that must be performed by qualified persons

Information that is important for a specific topic or goal, but is not safety-relevant

☐ Indicates a requirement for meeting a specific goal

☑ Desired result

✖ A problem that might occur

1.6 Nomenclature

In this document, the SMA Flexible Storage System with battery-backup function is referred to as battery-backup system.

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