WECO 1.16 5K3 LV HV Manuale del proprietario

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Manuale del proprietario

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WECO 5K3 LV/HV
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Installation and User Manual
5K3LV/HV mod2022 Dual Voltage Energy Storage System
LOW VOLTAGE & HIGH VOLTAGE
WECO 5K3 LV/HV
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ATTENTION: The battery could explode and/or be severely damaged if dropped or
crushed.
ATTENTION: Appropriate mechanical lifting equipment must be used
since the Battery Module weighs 113 lb /51 kg.
ATTENTION: The battery may explode if exposed to open flames or
other extreme sources of heat.
ATTENTION: The battery terminals must be disconnected before commencing any
work on the battery.
ATTENTION: This battery can accumulate parasite current. Do not
touch the B+ and B- terminals. Always check the B+ and B- terminals
with a voltmeter.
Always ensure that there are ZERO volts present on the terminals
before performing any operation on the battery.
ATTENTION: Always wear Individual protection devices, use insulated
tools, and follow the safety plan of this manual.
At end of life, these batteries must be disposed of properly by a
certified professional company.
WECO 5K3 LV/HV
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Contents
Statement: ................................................................................................................................. 6
Preface: .................................................................................... Errore. Il segnalibro non è definito.
Declaration: .............................................................................. Errore. Il segnalibro non è definito.
System Design
....................................................................... Errore. Il segnalibro non è definito.
Battery OperationErrore. Il segnalibro non è definito.
Storage .............................................................................................................. Errore. Il segnalibro non è definito.
Temperature .................................................................................................... Errore. Il segnalibro non è definito.
Depth of Discharge (DoD) ............................................................................... Errore. Il segnalibro non è definito.
Charging ........................................................................................................... Errore. Il segnalibro non è definito.
Warranty .......................................................................................................... Errore. Il segnalibro non è definito.
Product Overview ..................................................................................................................... 11
Symbols Used ........................................................................................................................... 11
Safety ....................................................................................................................................... 14
SECTION 1 - STORAGE & PRE-OPERATIONAL PROCEDURES ........................................................ 16
1.1 Storage - Transportation Removing / Relocation of Batteries ............................................................... 18
1.2 Module Unpacking and Handling ................................................................................................................ 20
1.2.1 Package Information and System Configuration List ................................................................................................. 21
1.3 Wall Mount or Stack Mount Configuration ................................................................................................ 21
1.3.1 Battery Dimensions (Wall Bracket) ............................................................................................................................. 21
1.3.2 Wall Mount .................................................................................................................................................................... 21
1.3.3 Stack Mount ................................................................................................................................................................... 24
1.4 Battery Terminal Function Definition ......................................................................................................... 26
1.5 Out of the Box Pre-Operational Check........................................................................................................ 27
SECTION 2 - LOW VOLTAGE CONFIGURATION ............................................................................. 28
WECO 5K3 LV/HV
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2.1 Product Introduction .................................................................................................................................... 28
2.1.1 Identifying the Individual Module ............................................................................................................................... 28
2.1.2 Product Identification and labels ................................................................................................................................ 29
2.1.3 Accessory List (Standard Kit 120A Single Module LV).............................................................................................. 30
2.1.4 Necessary Installation Tools .......................................................................................................................................... 31
2.1.5 Personal Protective Equipment +1000 Vdc Insulated Tools ...................................................................................... 31
2.2 Low Voltage Module Wiring and Set Up ..................................................................................................... 32
2.2.1 Battery Connections ...................................................................................................................................................... 32
2.2.2 BATTERY SIDE CAN Pin Out.................................................................................................................................... 33
2.3 Low Voltage DIP Switch Settings ................................................................................................................ 33
2.3.1 LOW VOLTAGE PARALLEL CONFIGURATION ................................................................................................ 34
2.4 Parallel Battery Wiring Connections ........................................................................................................... 35
2.4.1 Low Voltage Single Stack Power and Data Connections (8-Modules Maximum) .................................................... 37
2.5 Module Activation and Shutdown ............................................................................................................... 39
2.5.1 LED Visual Indication Lights ....................................................................................................................................... 39
2.5.2 Stand Alone Battery Front Panel Control ................................................................................................................... 41
2.5.3 Parallel Battery Configuration ..................................................................................................................................... 41
2.5.4 LV Direct Parallel Connection WITHOUT Certified Inverter BMS Communication (Open-Loop) ....................... 43
2.5.5 LV Direct Parallel Connection WITH Certified Inverter BMS Communication (Closed-Loop) .............................................. 43
2.6 Overview of Multi Cluster System ............................................................................................................... 44
2.7 CAN Hub for Multi Cluster Configuration ............................................. Errore. Il segnalibro non è definito.
2.7.1 CAN Hub Dimensions ............................................................................................... Errore. Il segnalibro non è definito.
2.8 Control Logic and Protection Limit ......................................................... Errore. Il segnalibro non è definito.
2.8.1 CAN Hub General System Description .................................................................... Errore. Il segnalibro non è definito.
2.8.2 Multi Cluster Configurations ................................................................................... Errore. Il segnalibro non è definito.
2.8.3 Cluster Configuration Accessories ........................................................................... Errore. Il segnalibro non è definito.
2.8.2.2 Multi Cluster Hub Device ......................................................................................... Errore. Il segnalibro non è definito.
SECTION 3 - HIGH VOLTAGE CONFIGURATION ............................................................................. 46
3.1 Product Introduction .................................................................................................................................... 48
3.1.1 Identifying the Individual Module ............................................................................................................................... 48
3.1.2 Product Identification and labels ................................................................................................................................. 49
3.1.3 Accessory List (Standard Kit) ....................................................................................................................................... 50
3.1.4 Necessary Installation Tools .......................................................................................................................................... 51
3.1.5 Personal Protective Equipment + 1000 Vdc Insulated Tool Kit ................................................................................ 51
3.2 High Voltage Module Wiring and Set Up .................................................................................................... 52
3.2.1 Battery Connections ...................................................................................................................................................... 52
3.3 High Voltage Module Configuration ............................................................................................................ 55
3.4 High Voltage DIP Switch Settings ................................................................................................................ 56
3.4.1 Serial Tower Connection #1 Set-Up of the HV Box CAN Communication Loop ...................................................... 57
WECO 5K3 LV/HV
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3.5 Serial Battery Wiring Connections .............................................................................................................. 58
3.5.1 High Voltage Power Connections.................................................................................................................................. 59
3.5.2 DATA Connections (Example of 12-Modules) ............................................................................................................. 60
3.5.3 HV Box and Battery Module Power Connection .................................................................................................................... 62
3.5.4 Single HV Box Connection to an Inverter .............................................................................................................................. 63
3.5.5 Multi HV Box Connection .............................................................................................................................................. 64
3.6 HV Box ADDRESS ........................................................................................................................................ 66
3.6.1 LED Visual Indication Lights ....................................................................................................................................... 67
3.6.2 Stand-Alone Battery Front Panel Control * FORCED CHARGE* .......................................................................... 67
3.7 HIGH VOLTAGE INVERTER COMPATIBILITY ................................................................................. 69
3.8 WECO BMS - LOW VOLTAGE PC SOFTWARE for 5K3 LV/HV ....................................................... 70
3.9 WECO BMS - HIGH VOLTAGE PC SOFTWARE for 5K3 LV/HV ...................................................... 74
3.10 DRY CONTATS SETTINGS ..................................................................................................................... 74
WECO 5K3 LV/HV
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Statement:
The information and guidance contained in this manual is related to the 5K3 LV/HV Stackable
model of battery. This manual contains two sections:
Section 2 is for LOW VOLTAGE APPLICATION
Section 3 is for HIGH VOLTAGE APPLICATION
In case of product upgrades or other reasons, this document will be adjusted accordingly. Unless
otherwise agreed, this document is intended to be used only as a guide, and all statements, information
and advice in the documentation shall not constitute any express or implied action in contradiction to
local regulations or standards.
For more information, please contact us.
The official informations and the last datasheet are available on www.wecobatteries.com.
It is essential that the Battery Module is equipped with the latest firmware version
available. New batteries always ship with the latest version of firmware.
From time to time, firmware will be updated to improve the functionalities and battery capabilities. The
latest version of the firmware is always available free of charge and can be updated by your local installer.
You can always contact service@wecobatteries.com for additional information on the upgrade
procedure.
ATTENTION
The release of `` critical updates '' implies the mandatory installation of the FW within 60 daysin order not to lose the right to
the warranty, see Limited Warranty conditions.
NOTICE:
This Battery Module is designed to be used indoors.
The STANDARD IP20 degree of protection does not allow installation in outdoor environments even if sheltered
from the weather.
The Battery Modules must be stored indoors in a clean, dry, cool location in a limited access area.
WECO 5K3 LV/HV
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SPECIAL ANNOUNCEMENT:
The manufacturer reserves the right of final explanation of any content of this manual.
The warranty conditions and technical data are on our website and may vary according to product updates.
On the site you will find the most up-to-date versions of manuals and datasheets, always check the latest
documents published by WeCo before buying.
Before buying you can ask for support by sending an email to [email protected].
Preface:
Thank you for choosing our product.
We will provide you with a high-quality product as well as reliable after-sale service. To protect against harm to both personnel
and the product, please read this manual carefully.
This manual provides detailed information on operation, maintenance and troubleshooting of the product as well as
health and safety advice.
Declaration:
The manufacturer holds the right of final explanation of any content in this manual.
The first release of this manual was issued on February 2021 for the European Market and it updated time to time.
The Battery Capacity is intended to be 100Ah in the range 100-0% of the BMS.
The capacity is not constant at every cycle and may vary based on many factors, the energy degradation is not constant over the time or
cycles and is heavily affected by the temperature, C-Rate and DoD (depth of Discharge).
First 500 cycles are typically affected by higher decrease in capacity compared to the following cycles.
Before buying this product read the warranty terms available on our website.
Always check the latest technical data on our web site as might be changed.
If this manual Is not clear to you, do not buy or install the battery, ask for technical meeting writing to [email protected].
The performance Limited Warranty Documents sets the parameters to obtain the best performances from the battery based on the
Standard test Condition used by WeCo.
Any additional details about this battery, its BMS and the compatibility with the inverters can be requested by writing to
This battery and its accessories are intended to installed, maintained and supervised only by expert a qualified installers.
All trademarks shown in this manual belong to their legitimate owners; trademarks of third parties, product names, trade names, corporate
names and companies mentioned may be trademarks owned by their respective owners or registered trademarks of other companies and
are used purely for explanatory purposes and for the benefit of the owner, without any purpose of violation of the copyright in force.
The evaluation of the product is an important and necessary phase and must precede the purchase, it is recommended to evaluate the
latest datasheets made available on www.wecobatteries.com website or request a copy directly from [email protected].
Our products and manuals are mainly dedicated to installers and technical experts in the sector with specific qualification for electrical
installations.
The manual, the system certification and the test certificate "first ignition" of the entire system performed according to the National
Standards of your country, must be delivered to the end user after adequate training on the use and maintenance of the battery and the
system in general.
These batteries are intended to be marketed to be integrated into more complex systems installed only by professional operators.
After reading the manual in full, we hope that you can buy our products.
Before buying, please carefully evaluate the technical characteristics with the data provided on our website or by requesting the updated
version of the battery model currently in production.
Datasheets may be subject to change for market or industrial needs, therefore datasheets present on third-party websites or otherwise
distributed in the past may not be updated and in any case correct. Get the latest official versions from [email protected]
The pre-purchase evaluation is an important phase and for this reason it must be conducted carefully and perhaps with the help of
qualified and experienced technicians, if your knowledge on the subject is not sufficient.
WeCo batteries are developed for domestic and industrial applications and can only be installed and maintained by experienced and
qualified personnel, they are not produced for direct sale to individuals.
ESS (Energy Storage Systems) batteries for domestic applications are designed to maximize self-consumption of energy from renewable
sources. Their use is limited to this function and should not be used for backup systems, or for UPS systems.
This manual provides detailed information on the operation, maintenance and troubleshooting of the product, as well as health and safety
advice; the information contained in this manual may not be sufficient to cover specific applications, so if your specific case is not
mentioned, please do not purchase our batteries until every technical and safety aspect of your specific application has been clarified. You
can request technical support from [email protected].
WeCo offer two types of warranty on its products, the Manufacturing defects also called functional warranty and the performance
warranty. More information can be found in this manual and on the specific warranty document available for each battery model.
WECO 5K3 LV/HV
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SYSTEM DESIGN BY EXPERT TECHNICIANS
Systems Design is the process of defining the architecture, components, modules, interfaces, and load data for a system to meet
specified requirements.
For a solar system these components are the photovoltaic modules, the inverter / charge controller and the batteries as well as the
different interfaces of these components.
These systems must be integrated with each other in accordance with their respective technical rules and must be compatible with
each other.
The design must take into account the functional guarantees and performance guarantees in order to guarantee the end customer
full satisfaction of the product he will use.
Battery Operation
There are several factors that affect the operation of the battery that could impact its ability to deliver capacity and
life expectancy.
STORAGE
Each module is suitably packed in original DG9 cardboard box to be stored inside in a clean, level, dry and cool place.
The recommended storage temperature is 25°C.
The battery can be stored in the range of -20 ° C + 45 ° C, but inspection and charging is required every three months (the maximum
charging current is 0.1 C at a temperature not lower than 15 °C).
The maximum SoC during storage is 30% as mandated by the IMDG code / United Nations and in any case must not exceed the
regulations in force in the country.
For specific rules and transportation might be required to be lower than 30% in accordance with the special ADR / DG9 Rules.
*Inspection parameters identify the State of Charge (SOC), look for any alarms and address, accordingly, look for physical damage
to the Battery Module. **Charge at 0.1C and not more than 50% SOC and discharge back to the allowed value. If shipped by sea, you
must refer to the UN38.3 standard, if by road, refer to the local codes.
Operating Temperature and Thresholds
Many chemical reactions are affected by temperature and this is also true for the reaction that occurs in a WeCo storage battery.
The chemical reaction of a lithium ion is slowed down by the lowering of the temperature of the electrolyte contained in the battery,
which results in a lower capacity and a higher rate of long-term performance decay in direct proportion to the departure from the
optimal temperature prescribed by WeCo.
A new battery providing 100% of the nominal capacity at 25°C (77°F) will provide only about 75% of the nominal capacity at 10°C.
At temperatures below -7°C (+19.4°F) the BMS will only allow 0.05C of charge Current only for emergency circumstances; at
temperatures below -10°C(14°F) charging is prohibited as the cells might be damaged.
These thresholds allowed by the BMS do not mean that the battery warranty also applies under such conditions, although permitted
by the BMS.
The logic of the BMS does not coincide with the prescribes standard recommended usage and thresholds must be set from those
customers who intend to benefitting from the performance guarantees, following the performance warranty prescriptions as per STC
( Standard test Conditions).
The respect or not of the STC thresholds to benefit from the performance guarantees is up to the end customer, while the limitations
inherent in the battery safety thresholds are set by the BMS as factory data.
The warranty conditions (Functional and Performance) are well described in the document ''Limited Warranty'' and must be read
before purchasing the product.
For example, the functional guarantee (pursuant to European legislation) prescribes that the installation of batteries with IP 20 must
be indoors, ie indoors, with humidity and controlled temperature, while the performance guarantee prescribes the charge and
discharge must be carried out between 20 ° C ( 68°F) and 25 ° C (77°F) at 0.5C; any use outside of these requirements are not
covered by the performance guarantee.
Most battery capacity/life issues can be traced to improper charging. Improper charging settings may lead to an overcharging or
undercharging condition, any wrong charging process will affect the life of the battery or its ability to retain energy.
The lower the C-Rate of the charging/discharging process the more the battery will benefit from long term performance.
Depth of Discharge (DoD)
The depth of discharge is a function that is implemented through the setting of the hybrid inverter, compatible with WeCo.
The deeper the discharge, (e.g. DoD 100% means completely draining the battery), the shorter the battery life over its estimated
lifetime.
A cycle is a discharge and its subsequent recharge regardless of the depth of discharge.
The number of cycles and the specific DoD will affect the expected life in years that the battery/battery system will provide before
replacement.
To maximize the remaining capacity over the useful life of the battery, it is recommended to set the DoD of the inverter to the value
of 20% or, this will help the maintenance of health (SoH) for longer period of time.
The capacity of the battery is not constant at every cycle and may vary based on many factors, the energy degradation is not constant
over the time or cycles and is heavily affected by the temperature, C-Rate and DoD (depth of Discharge).
Typically the decrease in capacity every 500 cycles conducted as per the STC is set to be in the range -2~3% however the First 500
cycles are typically affected by higher decrease in capacity compared to the following cycles. After 7000 cycles the residual capacity
shall be 70% (if the battery is correctly used within the recommended values an maintained over years.
Before buying this product read the warranty terms available on our website.
WECO 5K3 LV/HV
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The functional guarantee indicates the maximum DoD up to 100% because both the logic and the battery hardware have been
verified and tested to be achieved (each inverter protocol might have different requirements and the 100% DoD could not be
achieved as per the agreement between the inverter manufacturer and WeCo).
Performance guarantee sets the maximum value of DoD % (to be set in the inverter) must not exceed the value of 90% at 25°C 0.5C
without prejudice to the previous requirements.
C-Rate
Value of the Current used to charge and discharge the battery is expressed in C (1C = 100A, 0,1C= 10A in case of the 5K3 100Ah
battery).
Charge/Discharge
Most capacity/battery life issues can be traced back to improper charging also due to improper installation. Improper charging
settings can lead to an overload condition or excessive discharge or current out of range for temperature condition and SOC%.
WeCo guarantees only batteries connected via BMS CAN line to the compatible inverter (see compatibility list on
www.wecobatteries.com website) and used according to the warranty requirements published on the site.
CAN/BMS communication is essential both for reasons of active and passive safety and to be able to conduct all active control
interactions with the inverter. The BMS has dynamic algorithms that vary according to current or previous conditions stored during
the discharge or stand By charging phases.
Modern inverters / charge controllers are equipped with CAN / BMS interface and no special settings are required to charge and
discharge the battery, except for the setting of the charge / discharge power and the DoD% (if the customer wants to comply with the
STC requirements he must read and comply with the warranty conditions defined STC and set them on the inverter).
The maintenance at optimal temperature instead must be guaranteed by the technical room and air conditioning equipment installed
in it, the inverter is not able to interact with the settings in reference to the temperature of the environment in which it is installed,
also because inverter and battery could be in different environments exposed to different environmental factors.
Guarantee (Functional Guarantee against manufacturing defects ) and Performance Guarantee
Although the BMS of the battery allows a wide range of use in terms of both temperature and charging currents, this should not be
interpreted as an implicit authorization to use the battery at these levels with reference to the performance guarantee.
For the purposes of the performance guarantee, it is mandatory that the battery is used within the range of temperature and
current, charge/discharge current and depth of discharge indicated in the warranty and also reported in these paragraphs.
Any other use, even if permitted by BMS thresholds, is not covered by a performance guarantee.
Firmware Updates
In case of firmware updates to the BMS as a result of improvements, corrections or for other reasons, this manual and warranties
may be updated accordingly. Check the critical firmware release notes on www.wecobatteries.com and/or with your distributors or
installer. Critical release firmware must be installed as per warranty requirements: To get support if your system is not equipped with
a WiFi module please contact [email protected].
All WeCo batteries produced from October 2019 can be equipped with a WiFi system for connection on WeCo Cloud, this solution
ensures that they are always updated to the latest FW version notified in the APP, the Upgrade function must still be driven by the
user as during the update the battery must be turned off for safety reasons and it is therefore necessary to plan this action in such a
way that no inconvenience is created for users of the system.
Imprint
Unless otherwise agreed, this document is intended to be used only as a guide to installation, maintenance and management of the
product, all statements, information and advice contained in the documentation do not constitute any explicit action or implied
statement in contradiction with local regulations or standards.
For more information, please contact us.
The official information and the most recent technical data sheet are available on www.wecobatteries.com; and in any case can be
requested in real time at [email protected], hyperlinks, third-party links, digital datasheets published on social media web or
even printed paper support may not be updated to the current version of the product, Before purchasing the product, check the site
for updated technical data and warranties to date.
It is essential that the battery unit is equipped with the latest firmware version available on www.wecobatteries.com or on the WeCo
APP.
From time to time, WeCo will release a new firmware to improve the functionality of the battery, if your battery will be equipped
with WiFi (Paid accessory) and you will be registered on our APP, the new firmware will be visible in the APP and updatable with a
simple click from your phone.
The latest firmware version is always available for free; the battery firmware can be updated by the local installer via RS232/USB and
Windows PC (reserved for technical installers) or via APP for batteries equipped with WiFi dongle.
You can also write an email to [email protected] to understand and get support in the upgrade process.
WECO 5K3 LV/HV
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ATTENTION
The 5K3 LV/HV battery module is designed to be used only indoors in temperature-controlled environments.
The IP degree of protection does not allow installation in outdoor environments even if protected from the weather.
The definition INDOOR means the indoor environment, the room must be closed to unauthorized persons, ventilated and dry.
Use in an external environment or not compliant with the IP grade is prohibited and potentially dangerous for the health of people and / or things.
Manufacturing Warranty
Although the BMS of the battery allows a wide range of use, both in terms of temperature and charging currents, and
DOD this should not be construed as an implicit authorization to use the battery at these levels.
For the purposes of the Performance Warranty, it is mandatory that the battery is used within the range of
temperature and charge/discharge current, and Depth of Discharge indicated in the Performance Warranty.
See Limited Warranty Document.
Performances Warranties
It is an additional Warranty and only apply to batteries connected via BMS line to an approved inverter, the working
parameter of the battery must remain within the performance warranty terms.
Any other use, even if permitted by the BMS ranges, is not covered by the Performance Warranty.
Limited Warranty Document available on the web site www.wecobatteries.com.
WECO 5K3 LV/HV
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Product Overview
The WeCo 5K3 LV/HV Dual Voltage is a Stackable Battery Module with a DUAL VOLTAGE module that can be
used in a Low Voltage configuration or in a High Voltage configuration.
For LOW VOLTAGE (Max 58.4 Vdc) * Configuration Refer to Section 2
For HIGH VOLTAGE (Max 934.4 Vdc) * Configuration Refer to Section 3
*Voltage ranges are estimates only as they always depend on interactions with other devices and ambient conditions.
Information in this Manual
About this Manual
This manual relates only to the 5K3 LV/HV Stackable Battery Module. Only trained and qualified installers should
install, repair or charge these Battery Modules. This manual should be reviewed in its entirety for proper storage,
installation and operation of the Battery Module.
Use Range
This installation guidance applies for the High Voltage and Low Voltage Inverters.
Make sure to use the correct inverter charging parameters before connecting to the battery.
Each WeCo Module 5K3 LV/HV Battery Module has two different circuits and depending on the inverter voltage range,
the installer must choose the correct battery configuration for that range.
Additional Information
Product specifications subject to change without notice.
IMPORTANT NOTICES
HV BOX minimum startup voltage is 150 Vdc, (three modules) however it is suggested to use a minimum of four
modules to have an adequate buffer of energy to prevent low voltage shutdown of the HV BOX during a long period
of the inverter on standby, or due to solar charger inactivity.
The WeCo Module 5K3 LV/HV Stackable Battery Module is designed for home and commercial applications from 5.2
kWh to 520 kWh in Low Voltage configuration and from 21.2 kWh to 748.8 kWh in High Voltage configuration.
For the calculation of the energy of a cluster (in both LV and HV systems) the nominal capacity of a battery is
generally counted in 5.2kWh as a result of the multiple connection inefficiency, estimated at a loss of 2%.
Symbols Used
Symbol Meanings
CAUTION
CAUTION represents hazardous situations which can cause injuries if not avoided.
NOTICE
NOTICE represents the situations which can cause damage to property if not avoided.
INFORMATION
INFORMATION provides tips that are valuable for optimum installation and operation of the product.
WECO 5K3 LV/HV
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BATTERY OVERVIEW
INFORMATION provides tips that are valuable for optimum installation and operation of the product.
RUN BUTTON
TOP COVER
BMS SWITCH
WIFI ANTENNA
OPERATR PORT
UPPER BATTERY BRACKET
WALL BRACKET
LOWER BATTERY BRACKET
TEMPORARY HANDLES
FLOOR FEET/INTELOCK FEET FLOOR FEET/INTELOCK FEET
HANDLES
WECO 5K3 LV/HV
13
ATTENTION: THE BATTERY IS DUAL VOLTAGE - BE AWARE OF THE DIFFERENT
CONNECTION METHODS AND THE SPECIFIC USE OF THE TERMINAL
CONNECTORS.
-
SERIAL CONNECTION
CONNECTION
PARALLEL CONNECTION
CONNECTION
WECO 5K3 LV/HV
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Safety
Warnings and Notifications
Installation environment requirements: The WeCo Module 5K3 LV/HV Stackable Battery Module is designed for
household/commercial purposes. For installation, it must be installed in a location complying with IP20. Installations
in locations that do not comply with IP20 may cause failure and/or damage to the product, in which case the product
warranty will become void.
Safety Guidelines
CAUTION
Adequately insulated tools up to 1500V shall be used at all times to ensure battery terminals are not short circuited.
All electrical connections on the WeCo Module 5K3 LV/HV Battery Module shall be made only by qualified
personnel.
WeCo 5k3 LV/HV is susceptible of modifications and updates, please refer to the specific manual and datasheet.
When installed and operated in accordance with this manual, the WeCo Module 5K3 LV/HV Battery Module will
perform in a safe and reliable manner in accordance with the battery operating specifications.
Subjecting the battery to an unsuitable operating environment or to damage, misuse or abuse may result in health
and safety risks such as overheating or electrolyte smoke potential. All personnel must comply with the safety
precautions and observe all warnings as detailed in this document. If any of the safety precautions or procedures
detailed in this manual are not fully understood by the reader, the reader must not perform any operation on the
battery until they have contacted the WECO MODULE technical service representative for clarification and
confirmation of understanding of the correct procedure.
The safety guidelines included in this document may not include or consider all the regulations in your area of
installation/operation. When installing and operating this product, the installer must review and consider applicable
Federal, State and Local laws and regulations in accordance with the industry standards of the product.
Installation personnel shall not wear metallic objects, such as watches, jewelry and other metal items when
performing installations. Do not store un-insulated tools in pockets or tool belt while working in vicinity of battery to
avoid short circuits and personal injuries.
CAUTION:
The weight of an individual WeCo Module 5K3 LV/HV Battery Module is 113 lb / 51 kg. Please use original packaging
and follow all safety precautions if the Battery Module is to be relocated to another location, to avoid damage to the
product and personal injury.
ATTENTION:
The high voltage configuration must have a minimum number of 4 modules in order to reach at least 200 Vdc in
series. The maximum number of modules that can be stacked is 8 on each tower (due to the tower height and
stability) and the maximum number of modules composing an HV string must not exceed 16 or the max Inverter
Input Voltage of the Battery Channel. Installer must refer to the Inverter manual before performing any
connection.
WECO 5K3 LV/HV
15
GENERAL PREPARATION
Before Installation:
Ensure that all the modules are turned OFF.
Battery installation location should be at least 20m away from sources of heat, sparks or other sources of
extreme temperature. Battery connecting cables shall be as short as possible to prevent excessive voltage drops.
Batteries with different capacity, different type/model or design or from different manufacturers shall not be connected together.
1.
Before connecting the battery, the battery positive and negative poles shall be carefully
checked to ensure correct installation.
2.
The installation location must be on a flat level surface, in a dry, clean and protected
room, away from water and humidity.
The mechanical installation method for the WeCo Module 5K3 LV/HV Battery Modules can be
considered “conceptually’’ the same for HV and LV configurations.
Before starting any operation on the battery, make sure to position the modules in their final
position and structurally fix all the modules that make up the system.
The installer who intends to install the WeCo Module 5K3 LV/HV Battery Module in the HV
configuration should read this entire manual including the HV configuration information defined
in Section 3.
WECO 5K3 LV/HV
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ATTENTION:
STACKABLE INSTALLATION INFORMATION
The stack configuration shall be concluded by interlocking the modules by using the module feet as shown below:
Step 1> Remove the feet by losing the two screws M6 on the side of the pack
Step 2> Install the feet on the lower using the upper hole and secure it with the screw
Step3 > With a drill make an hole on the wall in correspondence with the hole marked with A letter and fix it to the wall using a wall
plug screw
Sep4> When the both feet have been secured to the wall it is possible to install the second module and proceed with the same
sequence up to the upper last module
When operating in stack mode, remove the upper (trapezoidal) front part from the battery to allow the cables to pass
through.
The front plate must be reinstalled to protect the cables after the installation is complete.
REMOVE THE PLATE WHEN OPERATING
IN STACKABLE MODE
CABLE PASSAGE
Steel Masonry M10x120mm
WECO 5K3 LV/HV
17
ATTENTION:
The 5K3 LV/HV battery module has two terminals for connecting the power supply. The
installer must pay the utmost attention to the respective functions.
ATTENTION:
The low voltage screw terminal only
supports parallel connection with
maximum voltage 60Vdc
CAUTION> Connecting these terminals in
series will cause serious damage to the
battery
DO NOT CONNECT IN SERIES
Fast Connector terminals only support
series connections up to 1000Vdc
CAUTION> Connecting these terminals in
parallel will cause serious damage to the
battery
DO NOT CONNECT IN PARALLEL
WECO 5K3 LV/HV
18
SECTION 1 - STORAGE & PRE-OPERATIONAL PROCEDURES
1.1 Storage - Transportation Removing / Relocation of Batteries
This Battery is considered DANGEROUS GOODS by the United Nations and must be treated
accordingly.
Each box comes from the factory with the below labels:
This battery can only be transported and stored with the original approved carton box, Certified
as per UN CLASS 9 Y80.
This Battery must be stored in its original carton box in a dry and cool place. WECO MODULE
carton box is marked as below:
The transportation and Storage State of Charge (SoC) shall not exceed 50%.
The shelf period without recharging is 3 months, and then requires a quick charge up to 70%
DoD and discharge back to 50% at 0.5C / 77°F (25°C).
To preserve the performance and shelf life, this battery should optimally be stored at 77°F
(25°F) and @70% humidity.
Acceptable storage temperature range of the battery is between +59°F and +95°F (+15°C and
+35°C).
The self-discharge in the range of +59°F to +119°F (+15°C to +35°C) is around 1% a month.
Anything outside this range could exceed 10% a month.
Do not store the batteries near sources of heat, vapor, gas, fuels, sparks or anything that could
generate fire or explosion.
Store inside and protect from water and moisture.
Transportation of new and used or damaged modules must be in accordance with the UN 38.3
Regulation and with the Federal, State and Local regulations.
If one or more working Battery Modules need to be removed or relocated, they must be
marked as USED BATTERY (follow local rules).
If one or more Battery Modules need to be replaced due to damage, they should be marked as
DAMAGED USED BATTERY and follow any applicable procedures and all Federal, State and
Local regulations.
WECO 5K3 LV/HV
19
The installer approaching this battery model for the first time must understand the use and
operation of its accessories.
The 5K3 LV/HV battery module can be equipped with auxiliary devices such as the WE HUB or
SUPERHUB for configuration for Low Voltage Clusters, or it must necessarily be equipped with the
HVBOX device in order to create a high voltage system.
Each device or accessory of the 5K3 LV/HV will have a specific Firmware that manages the logic and
interconnection functions between Battery Modules and devices.
It is therefore important to understand the operational and interaction concepts of the 5K3 LV/HV battery
within a more complex system.
LOW VOLTAGE DEVICES FOR 5K3
HVBOX
WEHUB
LOW VOLTAGE FW 6.xx
HIGH VOLTAGE 9.xx
Firmware
4.48
Firmware
40.xx
HUB
Firmware
8.xx
HV BOX
BATTERY + HUB
WECO 5K3 LV/HV
20
1.2 Module Unpacking and Handling
The battery is always delivered in WALL mode and it is therefore necessary for the installer to make simple changes to
install the STACK kit. Below are the installation phases.
ATTENTION:
The battery must be lifted by four persons, using the four handles.
Two handles are built in and the other two are provided as temporary handles to be used as shown below.
Open the carton box, find the portable and retractable handles, position them and proceed with lifting.
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WECO 1.16 5K3 LV HV Manuale del proprietario

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Manuale del proprietario
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