KEHUA TECH iStoragE B5-S1 User manual

iStoragE B5-S1
User Manual

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Copyright © Xiamen Kehua Digital Energy Tech Co., Ltd. 2023. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Xiamen Kehua Digital Energy Tech Co., Ltd
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and other Kehua trademarks are the licensed trademarks of Xiamen Kehua Digital Energy
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holders.
Notice
The purchased products, services and features are stipulated by the contract made between Kehua and
the customer. All or part of the products, services and features described in this document may not be
within the purchase scope or the usage scope. Unless otherwise specification in the contract, all
statements, information, and recommendations in this document are provided “AS IS” without warranties,
guarantees or representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
XIAMEN KEHUA DIGITAL ENERGY TECH CO., LTD.
Address: Room 208-38, Hengye Building, No. 100 Xiangxing Road, Torch High-tech
Zone (Xiang'an) Industrial Zone, Xiamen, China
Website: www.kehua.com
E-mail: [email protected]
Customer Service Telephone: [phone]
Tel: [phone]
Fax: [phone]

Foreword
iStoragE B5-S1
User Manual
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Foreword
Summaries
Thank you for choosing the iStoragE B5-S1 series (hereinafter referred to as iStoragE B5-S1 )!
This document gives a description of the iStoragE B5-S1, including the features, performance,
appearance, structure, working principles, installation, operation and maintenance. etc.
Please save the manual after reading, in order to consult in the future.
The figures in this manual are just for reference, for details please see the actual product.
Suitable Model
iStoragE B5-S1
Single battery is iStoragE B5-S1, two batteries is iStoragE B10-S1, and so on. The energy storage
system iStoragE1 series install up to eight batteries. For special illustration, the following take iStoragE
B5-S1asanexample.
Symbol Conventions
The manual quotes the safety symbols, these symbols used to prompt users to comply with safety
matters during installation, operation and maintenance. Safety symbol meaning as follows.
Symbol Description
Alerts you to a high risk hazard that will, if not avoided, result in
serious injury or death.
Alerts you to a medium low risk hazard that could, if not avoided,
result in moderate or minor injury.
Alerts you to a low risk hazard that could, if not avoided, result in
minor injury.
Anti-static prompting.

iStoragE B5-S1
User Manual Foreword
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Symbol Description
Be care electric shock prompting.
Provides a tip that may help you solve a problem or save time.
Provides additional information to emphasize or supplement
important points in the main text.

Contents
iStoragE B5-S1
User Manual
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Contents
1 Safety Description ........................................................................................................................ 1
1.1 Safety Announcements ...................................................................................................................................... 1
1.1.1 Use Announcements .................................................................................................................................1
1.1.2 Symbol Illustration ...................................................................................................................................3
1.1.3 ESD Protection .........................................................................................................................................4
1.1.4 Grounding Requirements ......................................................................................................................... 4
1.1.5 Moisture-proof Protection ........................................................................................................................4
1.1.6 Safety Warning Label Setting .................................................................................................................. 5
1.1.7 Electrical Connection...............................................................................................................................5
1.1.8 Measurement Under Operation ................................................................................................................5
1.2 Safety Precaution for Battery Pack ................................................................................................................... 6
1.2.1 General Safety Precautions ...................................................................................................................... 6
1.2.2 Response to Emergency Situations .......................................................................................................... 6
1.3 Requirements for Operator ................................................................................................................................7
1.4 Environment Requirements ...............................................................................................................................8
2 Overview ........................................................................................................................................ 9
2.1 Product Intro ......................................................................................................................................................9
2.1.1 Model Meaning...................................................................................................................................... 10
2.2 Appearance and Structure ................................................................................................................................10
2.2.1 Appearance.............................................................................................................................................10
2.2.2 Size .........................................................................................................................................................10
2.2.3 LED Signals ........................................................................................................................................... 11
2.2.4 Structure Layout Illustration .................................................................................................................. 11
3 Installation ................................................................................................................................... 12

iStoragE B5-S1
User Manual Contents
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3.1 Installation Process..........................................................................................................................................12
3.2 Installation Preparation....................................................................................................................................13
3.2.1 Tools .......................................................................................................................................................13
3.2.2 Installation Environment ........................................................................................................................14
3.2.3 Installation Space ................................................................................................................................... 14
3.3 Transportation and Unpacking........................................................................................................................ 15
3.3.1 Transportation ........................................................................................................................................ 15
3.3.2 Unpacking and Checking....................................................................................................................... 15
3.4 Mechanical Installation ................................................................................................................................... 16
3.5 Components Requirement ............................................................................................................................... 24
3.6 Communication Port Connection .................................................................................................................... 25
3.7 Multiple Battery Connection........................................................................................................................... 26
3.8 Side Cover Plate Installation ........................................................................................................................... 27
3.9 Check the Installation ......................................................................................................................................28
3.10 Startup/Shutdown Procedure .........................................................................................................................28
4 Maintenance and Troubleshooting ......................................................................................... 30
4.1 Maintenance.................................................................................................................................................... 30
4.2 Troubleshooting...............................................................................................................................................31
5 Package, Transportation and Storage ......................................................................................37
5.1 Package............................................................................................................................................................37
5.2 Transportation ..................................................................................................................................................37
5.3 Storage.............................................................................................................................................................37
A Technical Specifications ...........................................................................................................39
B Acronyms and Abbreviations .................................................................................................. 41

iStoragE B5-S1
User Manual 1 Safety Description
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1 Safety Description
This chapter mainly introduces the safety announcements. Prior to performing any work on the
device, please read the user manual carefully, follow the operation and installation instructions and
observe all danger, warning and safety information.
1.1 Safety Announcements
Before operation, please read the announcements and operation instructions in this section carefully
to avoid accident.
The promptings in the user manual, such as "Danger", "Warning", "Caution", etc. don't include all
safety announcements. They are just only the supplement of safety announcements when operation.
Any device damage caused by violating the general safety operation requirements or safety standards
of design, production, and usage will be out of Kehua's guarantee range.
1.1.1 Use Announcements
Don't touch terminals or conductors that connected with grid to avoid lethal risk!

1 Safety Description
iStoragE B5-S1
User Manual
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There is no operational part inside the battery pack. Please do not open the crust of the battery pack
by yourself, or it may cause electric shock. The battery pack damage caused by illegal operation is
out of the guarantee range.
Damaged device or device fault may cause electric shock or fire!
Before operation, please check if the battery pack is damaged or has other danger.
Check if the external device or circuit connection is safe.
Before checking or maintenance, if the DC side and AC side is power down just now, it is necessary
to wait for 5 minutes to ensure the inner device is completely discharged, and then the operation can
be performed.
The surface temperature of the battery pack may reach to 60℃. During running, please don't touch
the surface to avoid scald.
No liquid or other objects are allowed to enter the battery pack, or, it may cause the battery pack
damage.