Sofar solar BTS E5-DS5 Manuel utilisateur

BTS E5 … E20-DS5
Installation and
operating manual
Version 01 | November 2022
English
BTS E5-DS5, E10-DS5, E15-DS5, E20-DS5

ABOUT THIS MANUAL
2 BTS E5–E20-DS5

ABOUT THIS MANUAL
BTS E5–E20-DS5 3
Table of Contents
1 About this manual 5
1.1 Copyright declaration 5
1.2 Structure of the manual 5
1.3 Scope 6
1.4 Target group 6
1.5 Symbols used 6
2Basic safety information 8
2.1 Safety information 8
2.2 Symbols and signs 15
3Product features 18
3.1 Product introduction 18
3.2 BTS battery system components 19
3.3 Product dimensions 20
3.4 Labelling on the device 20
3.5 Battery capacity expansion 21
4Installation 23
4.1 Installation information 23
4.2 Examination before installation 24
4.3 Connections 28
4.4 Tools 29
4.5 Installation location 31
4.6 Installation of the battery system 33
5Electrical connections 38

ABOUT THIS MANUAL
4 BTS E5–E20-DS5
5.1 Safety instructions 38
5.2 Electrical connection 39
5.3 Connecting the PE cable 39
5.4 Connecting the power cables 40
5.5 Connecting the communication cables 42
5.6 Connecting the inverter 44
5.7 Parallel system setup 53
5.8 Replacing the fuse 54
5.9 Installing the protective cover 55
6Commissioning the battery system 56
6.1 Safety check before commissioning 56
6.2 Initial startup 56
6.3 Setting the parameters 56
6.4 Software update 57
6.5 Shutdown procedure 58
7Operation of the device 59
7.1 Control panel and display field 59
8Troubleshooting handling 62
8.1 Troubleshooting 62
8.2 Maintenance 64
9Manufacturer's warranty and liability terms 67
9.1 Warranty period 67
9.2 Warranty void 67
10 Technical data 69

ABOUT THIS MANUAL
BTS E5–E20-DS5 5
1About this manual
This manual contains important safety information that must be observed
during installation and maintenance of the device.
Carefully read this manual before use and retain it for future
reference!
This manual must be treated as an integral component of the device. The
manual must be kept in close proximity to the device, including when it is
handed over to another user or moved to a different location.
1.1 Copyright declaration
The copyright of this manual is owned by SOFARSOLAR. It may not be
copied –neither partially nor completely –by companies or individuals
(including software, etc.) and must not be reproduced or distributed in
any form, or with the appropriate means.
SOFARSOLAR reserves the right to final interpretation. This manual may
be amended following feedback from users or customers. Please consult
our website at http://www.sofarsolar.com for the latest version.
The current version was updated on 05/12/2022.
1.2 Structure of the manual
This manual contains important safety and installation instructions that
must be observed during installation and maintenance of the device.

ABOUT THIS MANUAL
6 BTS E5–E20-DS5
1.3 Scope
This product manual describes the installation, electrical connection,
commissioning, maintenance and troubleshooting of the BTS E5...20-
DS5 energy storage system. The series includes the following models:
BTS E5-DS5, BTS E10-DS5, BTS E15-DS5, BTS E20-DS5
1.4 Target group
This manual is intended for specialist electrical engineers who are
responsible for the installation and commissioning of the energy storage
system in the PV system, as well as the PV system operators.
1.5 Symbols used
This manual contains information on safe operation and uses symbols to
ensure the safety of persons and property as well as the efficient
operation of the inverter. Please read through the following symbol
explanations carefully in order to prevent injury or property damage.

ABOUT THIS MANUAL
BTS E5–E20-DS5 7
DANGER
Non-observance will result in death or serious injury.
•Follow the warnings in order to prevent death or serious injury!
WARNING
Non-observance may result in death or serious injury.
•Follow the warnings in order to prevent serious injury!
CAUTION
Non-observance may result in minor injury.
•Follow the warnings in order to prevent injury!
ATTENTION
Non-observance may result in property damage!
•Follow the warnings in order to prevent damage to or
destruction of the product.
NOTE
•Provides tips essential to the optimal operation of the product.

BASIC SAFETY INFORMATION
8 BTS E5–E20-DS5
2Basic safety information
NOTE
•The installation of the BTS battery system must be in full
compliance with national and local laws and regulations.
•SOFARSOLAR is not responsible for any personal injury or
property damage caused by improper use.
•If you have any questions or problems after reading the
following information, please contact SOFARSOLAR.
This section contains safety information that must be observed at all
times when working on or with batteries. To prevent personal injury or
property damage and to ensure long-term operation of the batteries, read
this section carefully and observe all safety information at all times.
2.1 Safety information
WARNING
•Do NOT carry out repairs on the device yourself; this may lead
to injury or property damage.
•Before installing the device or carrying out maintenance on it,
you must open the DC switch, for the high voltage may cause
serious injury.
Read and understand the instructions within this manual and familiarise
yourself with the relevant safety symbols in this chapter before beginning
with the installation and commissioning of the device.

BASIC SAFETY INFORMATION
BTS E5–E20-DS5 9
Please contact the nearest authorised service centre if any maintenance
or repairs are required. Please contact your dealer to obtain information
about your nearest authorised service centre. Do NOT carry out repairs
on the device yourself; this may lead to injury or property damage.
Before installing the device or carrying out maintenance on it, you must
open the DC switch. Not doing this may result in serious injury.
2.1.1 Qualified personnel
Personnel tasked with the operation and maintenance of the device must
have the qualifications, competence and experience required to perform
the described tasks, while also being capable of fully understanding all
instructions contained within the manual. For safety reasons, this battery
system may only be installed by a qualified electrician who:
-has received training on occupational safety, as well as the
installation and commissioning of electrical systems
-is familiar with the local laws, standards and regulations of the grid
operator.
-the installer should have joined into the technical training from
Sofarsolar or our partners.
SOFARSOLAR assumes no responsibility for the destruction of property
or any injuries to personnel caused by improper usage.
2.1.2 Installation requirements
Please install the battery system according to the information contained
in the following sections. Install the battery system at a location where it
can be fixed and ensure that the inverter is upright. Choose a suitable

BASIC SAFETY INFORMATION
10 BTS E5–E20-DS5
place for the installation of electrical devices. Ensure that there is
sufficient space for an emergency exit which is suitable for maintenance.
Ensure sufficient ventilation in order to guarantee an air circulation for the
cooling of the environment. Air humidity should be less than 90% during
assembly.
2.1.3 Transport requirements
ATTENTION
•Battery modules must be placed in the original packaging or
other suitable packaging during transport to prevent any
damage.
•Please carry out a thorough inspection of the product. If you
find any packaging problems that may have caused damage
to the battery, or if you find any visible damage to the battery,
please inform the responsible shipping company immediately.
Contact your installer or SOFARSOLAR for help if necessary.
Products are in good electrical and physical condition when they are
shipped out from the factory. The factory packaging is specifically
designed to prevent transport damage, i.e. violent shocks, moisture and
vibrations. The device must not be installed if the packaging or the
product is visibly damaged.
The battery modules are classified as Class 9 dangerous goods
according to UN38.3 standards. Therefore, they must be loaded and
unloaded in accordance with the laws, regulations and industry
standards of the region in which they are transported. Rough handling
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