SMA 12 Sunny Tripower Overvoltage User Guide

: June 12, 2024
: SMA

Table of Contents

SMA 12 Sunny Tripower Overvoltage
Product Information
Product Usage Instructions
Legal Provisions
Symbols in the Document
Safety
IMPORTANT SAFETY INSTRUCTIONS
Instructions
Scope of Delivery
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

SMA 12 Sunny Tripower Overvoltage

Product Information

The DC overvoltage protection is a spare-part set that can be installed in SMA inverters, specifically in Sunny Tripower X 12, X 15, X 20, X 25, X 20-US, X 25-US, and X 30-US models. The product is available in four different variants: DC_SPD_KIT7_T1T2, DC_SPD_KIT7_T1T2SV, DC_SPD_KIT6-10, and DC_SPD_KIT6-10SV. The product provides protection against overvoltage on the direct current (DC) side.

Product Usage Instructions

The product must only be installed by qualified persons who possess the necessary skills. The latest version of the user manualand other information on the product can be found in PDF format on the manufacturer’s website at www.SMA-Solar.com.

When handling the product, it is important to pay attention to the warning messages. There are four levels of warning messages: DANGER, WARNING, CAUTION, and NOTICE. Each level indicates the severity of the potential hazard.

The product must only be installed in the intended SMA inverters mentioned above. Any other application may cause personal injury or property damage. It is important to follow all instructions contained in the user manual and observe all locally applicable laws, regulations, standards, and directives.

The user manual is an integral part of the product and must be kept in a convenient and dry place for future reference. The user manual does not replace any regional, state, provincial, federal, or national laws, regulations, or standards that apply to the installation, electrical safety, and use of the product. The manufacturer assumes no responsibility for compliance or non-compliance with such laws or codes in connection with the installation of the product.

DC overvoltage protection for SUNNY TRIPOWER X 12 / 15 / 20 / 25 / 20-US / 25-US / 30-US DC_SPD_KIT7_T1T2 / DC_SPD_KIT7_T1T2SV / DC_SPD_KIT6-10 / DC_SPD_KIT6-10- SV

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. Internal reproduction used solely for the purpose of product evaluation or other proper use is allowed and does not require prior approval. SMA Solar Technology AG makes no representations or warranties, express or implied, with respect to this documentation or any of the equipment and/or software it may describe, including (with no limitation) any implied warranties of utility, merchantability, or fitness for any particular purpose. All such representations or warranties are expressly disclaimed. Neither SMA Solar Technology AG nor its distributors or dealers shall be liable for any indirect, incidental, or consequential damages under any circumstances. The exclusion of implied warranties may not apply in all cases under some statutes, and thus the above exclusion may not apply. Specifications are subject to change without notice. Every attempt has been made to make this document complete, accurate and up-to-date. Readers are cautioned, however, that product improvements and field usage experience may cause SMA Solar Technology AG to make changes to these specifications without advance notice or per contract provisions. SMA Solar Technology AG shall not be responsible for any damages, including indirect, incidental or consequential damages, caused by reliance on the material presented, including, but not limited to, omissions, typographical errors, arithmetical errors or listing errors in the content material.

Trademarks
All trademarks are recognized, even if not explicitly identified as such. Missing designations do not mean that a product or brand is not a registered trademark.
SMA Solar Technology AG
Sonnenallee 1
34266 Niestetal
Germany
Phone +49 561 9522-0
Fax +49 561 9522 100
www.SMA.de
E-mail: info@SMA.de
Status: 8/30/2022
Copyright © 2022 SMA Solar Technology AG. All rights reserved.

Information on this Document

Validity
This document is valid for:

DC_SPD_KIT7_T1T2
DC_SPD_KIT6-10
DC_SPD_KIT6-10-SV
DC_SPD_KIT7_T1T2SV

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

Knowledge of how to safely disconnect SMA inverters
Knowledge of how an inverter works and is operated
Training in how to deal with the dangers and risks associated with installing, repairing and using electrical devices and installations
Training in the installation and commissioning of electrical devices and installations
Knowledge of all applicable laws, standards and directives
Knowledge of and compliance with this document and all safety information.

Content and Structure of this Document
You will find the latest version of this document and further information on the product in PDF format at www.SMA-Solar.com. Illustrations in this document are reduced to the essential information and may deviate from the real product.

Levels of warning messages
The following levels of warning messages may occur when handling the product.

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

WARNING
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.

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

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

Section in which the installation and commissioning process is illustrated graphically.

Safety

Intended Use

The product must only be installed in the following SMA inverters:

Spare-part set Inverter

DC_SPD_KIT7_T1T2
DC_SPD_KIT7_T1T2SV
DC_SPD_KIT6-10
DC_SPD_KIT6-10-SV
STP 12-50 (Sunny Tripower X 12)
STP 15-50 (Sunny Tripower X 15)
STP 20-50 (Sunny Tripower X 20)
STP 25-50 (Sunny Tripower X 25)
STP 20-US-50 (Sunny Tripower X 20-US)
STP 25-US-50 (Sunny Tripower X 25-US)
STP 30-US-50 (Sunny Tripower X 30-US)

Use SMA products only in accordance with the information provided in the enclosed documentation and with the locally applicable laws, regulations, standards and directives. Any other application may cause personal injury or property damage. Any use of the product other than that described in the Intended Use section does not qualify as appropriate. The enclosed documentation is an integral part of this product. Keep the documentation in a convenient, dry place for future reference and observe all instructions contained therein. This document does not replace any regional, state, provincial, federal or national laws, regulations or standards that apply to the installation, electrical safety and use of the product. SMA Solar Technology AG assumes no responsibility for the compliance or non-compliance with such laws or codes in connection with the installation of the product.

IMPORTANT SAFETY INSTRUCTIONS

Keep the manual for future reference. This section contains safety information that must be observed at all times when working. The product has been designed and tested in accordance with international safety requirements. As with all electrical or electronical devices, there are residual risks despite careful construction. To prevent personal injury and property damage and to ensure long-term operation of the product, read this section carefully and observe all safety information at all times.

DANGER

Danger to life due to electric shock when live components or cables of the inverter are touched
High voltages are present in the conductive components or cables of the inverter. Touching live parts and cables of the inverter results in death or lethal injuries due to electric shock.

Disconnect the inverter from voltage sources and make sure it cannot be reconnected before working on the device.
Wear suitable personal protective equipment for all work on the product.
Do not touch non-insulated parts or cables.

DANGER

Danger to life due to electric shock when live components or DC cables are touched
When exposed to light, the PV modules generate high DC voltage which is present in the DC cables. Touching live DC cables results in death or lethal injuries due to electric shock.

Do not touch non-insulated parts or cables.
Disconnect the inverter from voltage sources and make sure it cannot be reconnected before working on the device.
Do not disconnect the DC connectors under load.
Wear suitable personal protective equipment for all work on the product.

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.

Disconnect the inverter from voltage sources and make sure it cannot be reconnected before working on the device.
Only touch the cables of the PV modules on their insulation.
Do not touch any parts of the substructure or frame of the PV array.
Do not connect PV strings with ground faults to the inverter.

WARNING

Danger to life due to fire or explosion
In rare cases, an explosive gas mixture can be generated inside the inverter under fault conditions. In this state, switching operations can cause a fire inside the inverter or explosion. Death or lethal injuries due to hot or flying debris can result.

In the event of a fault, do not perform any direct actions on the inverter.
Ensure that unauthorized persons have no access to the inverter.
Do not operate the DC load-break switch on the inverter in case of an error.
Disconnect the PV array from the inverter via an external disconnection device. If there is no disconnecting device present, wait until no more DC power is applied to the inverter.
Disconnect the AC circuit breaker, or keep it disconnected in case it has already tripped, and secure it against reconnection.
Only perform work on the inverter (e.g., troubleshooting, repair work) when wearing personal protective equipment for handling of hazardous substances (e.g., safety gloves, eye and face protection, respiratory protection).

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 inverter. Touching toxic substances and inhaling toxic gases and dusts can cause skin irritation, burns or poisoning, trouble breathing and nausea.

Only perform work on the inverter (e.g., troubleshooting, repair work) when wearing personal protective equipment for handling of hazardous substances (e.g., safety gloves, eye and face protection, respiratory protection).
Ensure that unauthorized persons have no access to the inverter.

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.

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.

CAUTION

Risk of burns due to hot enclosure parts
The enclosure and the enclosure lid may get hot during operation. The DC load- break switch can not become hot.

Do not touch hot surfaces.
Wait until the inverter has cooled down before touching the enclosure or enclosure lid.

NOTICE

Damage to the enclosure seal in subfreezing conditions
If you open the inverter when temperatures are below freezing, the enclosure seals can be damaged. This can lead to moisture entering the inverter.

Damage to the enclosure seal in subfreezing conditions
If you open the inverter when temperatures are below freezing, the enclosure seals can be damaged. This can lead to moisture entering the inverter.

NOTICE

Damage to the inverter due to sand, dust and moisture
Sand, dust and moisture penetration can damage the inverter, thus impairing its functionality.

Do not open the inverter during a dust storm or precipitation.
Close the inverter in case of interruption of work or after finishing work.

NOTICE

Damage to the inverter due to electrostatic discharge
Touching electronic components can cause damage to or destroy the inverter through electrostatic discharge.