BYD LVL 15.4 Battery Box Premium User Manual

BYD LVL 15.4 Battery Box Premium

Product Information

• Product Name: BYD Battery-Box Premium LVL 15.4
• Manufacturer: BYD Europe B.V.
• Firmware Version: 1.0
• Intended Use: Residential and small business use with a photovoltaic system
• Battery Type: 48V Li-ion battery storage system
• Connectivity: Can be connected to the Internet for maintenance and firmware updates
• Stationary Use: The battery system must only be used as stationary equipment
• Indoor Use: The battery system is suitable for indoor use only
• Compatible Inverters: The battery system must only be operated in connection with a compatible inverter. Refer to the BYD Battery-Box Premium LVL Minimum Configuration List on our website for a list of compatible inverters.

Product Usage Instructions

Mounting and Installation
Follow the instructions provided in the user manual for proper mounting and installation of the Battery-Box Premium LVL 15.4. Ensure that the battery system is securely mounted and connected to a compatible inverter.

Commissioning
Before commissioning the battery system, ensure that all safety instructions mentioned in the user manual are followed. Connect the battery system to the photovoltaic system and the compatible inverter according to the provided guidelines.

Configuration
Refer to the user manual for instructions on configuring the battery system. Follow the provided guidelines to set up the system according to your specific requirements.

**Troubleshooting

**

If you encounter any issues with the battery system, refer to the troubleshooting section in the user manual. Follow the recommended steps to identify and resolve the problem.

Decommissioning

If you need to decommission the battery system, follow the decommissioning instructions provided in the user manual. Ensure that all necessary precautions are taken to safely disconnect and remove the system.

BYD Battery-Box Premium Operating Manual LVL 15.4
BYD Europe B.V. V1.0

Legal Provisions

All the information in this document is the property of BYD Europe B.V. No part of this document could be reproduced in any way for business use. Internal use is allowed. BYD Europe B.V. makes no representations or warranties express or implied, with respect to this document or any of the equipment and firmware 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 BYD Europe B.V. 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 effort has been made to make this document complete, accurate, and up-to-date. However, BYD Europe B.V. may need to make some improvements under certain circumstances without advance notice. BYD Europe B.V. shall not be responsible for any loss caused by this document, including, but not limited to, omissions errors, typographical errors, arithmetical errors, or listing errors in this document. All trademarks are recognized. Limited Warranty You can download the latest Limited Warranty from the Internet on websites: BYD Global Service, www.bydbatterybox.com, BYD service partner in Europe, www.eft-systems.de, BYD service partner in Australia, www.alpspower.com.au. BYD Europe B.V. `s-Gravelandseweg 256, 3125 BK, Schiedam, the Netherlands

Information on this Document

Validity
This document is valid for the Battery-Box Premium LVL 15.4 from firmware version 1.0.
1.2. Target Group
The instructions in this document may only be performed by qualified persons who must have the following skills: · Knowledge of how batteries work and are operated · Knowledge of how an inverter works and is operated · Training in dealing with the hazards associated with the installation and operation of electrical
equipment and batteries · Training in the installation and commissioning of electrical equipment · Knowledge of, and adherence to the locally applicable connection requirements, standards, and
directives · Knowledge of, and adherence to this document and the associated system documentation,
including all safety instructions
1.3. Content and Structure of This Document
This document describes the mounting, installation, commissioning, configuration, troubleshooting, and decommissioning of the battery system.
1.4. Levels of Warning Messages
The following levels of warning messages may occur when handling the battery system. DANGER
Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
6

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.

1.5. Symbols in the Document

Sections describing activities to be performed by qualified persons only

1.6. Designation in the Document
Designation in this document battery system BMS BMU BIC BYD MOSFET

Complete designation Battery-Box Premium LVL 15.4 Battery Management System Battery Management Unit Battery Information Collector BYD Europe B.V. Metal- Oxide-Semiconductor Transistor

Field-Effect

7

SOC SPI

State of Charge Serial Peripheral Interface

Safety

2.1. Intended Use
BYD Battery-Box Premium LVL 15.4 is for residential and small business use and works with a photovoltaic system. It is a 48V Li-ion battery storage system. It could be operated in either off-grid or on-grid mode with compatible inverters.
The battery system could be connected with the Internet through network cable for maintenance and firmware updates.
The battery system must only be used as stationary equipment.
The battery system is suitable for indoor use only.
The battery system must only be operated in connection with a compatible inverter. The list of these inverters could be read at BYD Battery-Box Premium LVL Minimum Configuration List on our websites.
The type label should always be attached to the battery system.
Any use of the battery system other than that described in the Intended Use section does not qualify as the intended use.
This document does not replace and is not intended to replace any local, state, provincial, federal, or national laws, regulations, or codes applicable to the installation, electrical safety, and use of the system. BYD assumes no responsibility for the compliance or non-compliance with such laws or codes in connection with the installation of the battery system.
2.2. Important Safety Instructions
The battery system has been designed and tested in accordance with international safety requirements. However, in order to prevent personal injury and property damage and ensure long-term operation of the battery system, please do read this section carefully and observe all safety information at all times.
2.3. Battery module leakage
If the battery modules leak electrolytes, contact with the leaking liquid or gas should be avoided. The electrolyte is corrosive, and the contact may cause skin irritation and chemical burns. If one is exposed to the leaked substance, do these actions:
8

Inhalation: Evacuate the contaminated area and seek medical help immediately. Eye contact: Rinse eyes with flowing water for 15 minutes and seek medical help immediately. Skin contact: Wash the affected area thoroughly with soap and water and seek medical help immediately. Ingestion: Induce vomiting and seek medical help immediately.
2.4. Firefighting measures
The battery modules may catch fire when it is put into the fire. In case of a fire, please make sure that an ABC or carbon dioxide extinguisher is nearby. Water cannot be used to extinguish the fire. Full protective clothing and self-contained breathing apparatus are required for the firefighters to extinguish the fire.
2.5. Battery modules handling and storage guide
The battery modules and its components should be protected from damage when transporting and handling. The weight of the battery system may cause injury risk. Please take the weight of the battery system into account while the battery system is transported and lifted carefully. · Do not impact, pull, drag, or step on the battery modules. · Do not insert unrelated objects into any part of the battery modules. · Do not throw the battery module into a fire. · Do not soak the battery modules in water or seawater. · Do not expose to strong oxidizers. · Do not short circuit the battery modules. · The battery modules cannot be stored at a high temperature (more than 50 °C). · The battery modules cannot be stored directly under the sun. · The battery modules cannot be stored in a high humidity environment. · Use the battery modules only as directed. · Do not use the battery modules if it is defective, or appears cracked, broken or otherwise damaged, or fails to operate.
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· Do not attempt to open, disassemble, repair, tamper with, or modify the battery modules. The battery modules are not user-serviceable. · Do not use cleaning solvents to clean the battery modules.
2.6. Surge protection
DANGER Danger to life due to electric shock in case of overvoltages and if surge protection is missing Overvoltages (e. g. in the event of a flash of lightning) can be further conducted into the building and to other connected devices in the same network via the network cables or other data cables if there is no surge protection. Touching live parts and cables results in death or lethal injuries due to electric shock. · Ensure that all devices in the same network and the inverter are integrated into the
existing surge protection. · When laying the network cables or other data cables outdoors, it must be ensured that a
suitable surge protection device is provided at the transition point of the cable from the system or the inverter outdoors to the inside of a building.
2.7. Caution of Weight
CAUTION Risk of injury due to weight of battery modules Injuries may result if the battery system is lifted incorrectly or dropped while being transported or when attaching it to or removing it.
· Transport and lift the system carefully. Take the weight of the battery system into account. · Wear suitable personal protective equipment for all work on the battery system.
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2.8. Notice of Property Damage

NOTICE Damage to the battery system due to under voltages · If the battery system doesn’t start at all, please contact BYD local after-sales service within
48 hours. Otherwise, the battery could be permanently damaged.
2.9. Safety information of an inverter manufacturer
Please read and observe all safety information of the inverter manufacturer.
2.10. Output Short-circuit Current and Protective Device Characteristics
When the discharging current is bigger than 600A, the BMS short circuit protection (about 100uS delay) is triggered. The main circuit MOSFET will be closed first. Then the main circuit will be open. The battery system will stop discharging. The circuit breaker information could be read below.

Rated current Breaking capacity Poles number Rated voltage

250A 25KA 415AC 2P 600VAC, 250VDC

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3. Scope of Delivery

Position B1 B2 C D E F G H I J K

Designation Battery module 1 Battery module 2 Power cable L2 Power cable L3 Screw M6×16 Screw 10×16 Screw M5×14 Network cable Grommets (small size) Bonding strip for connecting and fixing B1 and B2 Alignment pins

12

L

Plastic bolts for fixing B2`s top covers

M

Internal communication cable

N

Grommets (big size)

O

Quick Start Guide, Minimum Configuration List

4. Battery System Overview
4.1. Battery System Description
The BYD Battery-Box Premium LVL 15.4 is used as a connected battery for the intermediate storage of excess PV energy in an inverter system.
It works together with Battery-Box Premium LV BMU. The parameters and instruction of BMU could be read on our websites. With its control and communication port (BMU), the battery system is capable of scaling to meet the different project requirements. The battery system could support the backup function of inverters and is compatible with both 1 and 3 phase inverters.

Position 1 2 3

Designation Terminal
Power cable port BIC board
13

4

SPI port

5

COM port

6

Start/Stop button with LED

7

B2 module

8

B1 module

9

Foot

4.2. Interface
WLAN
BMU is equipped with a WLAN interface as a standard.
Be Connect
Be Connect is an app for cell phones. You can download it from Google Play or App Store.
With Be Connect, you can update the firmware of the battery system and configure it. The battery system can operate only after configured.
Be Connect Monitoring
BMU is equipped with an Ethernet interface as a standard. When your battery system is linked with the Internet, it will join our Be Connect Monitoring system. Be Connect Monitoring is a platform for BYD to provide remote service to customers. It can diagnose your battery system, and update the firmware.
It is highly recommended you to connect the battery system to the Internet.
4.3. Symbols on the Battery System

Symbol

Explanation Observe the documents Observe all documents supplied with the battery system.

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Grounding conductor This symbol indicates the position for connecting a grounding conductor. WEEE designation Do not dispose of the battery system together with the household waste but in accordance with the disposal regulations for electronic waste applicable at the installation site. CE marking The battery system complies with the requirements of the applicable EU directives. Place it straight up, without inclination or upside down.
Handle with care
Keep it dry
Keep the battery modules away from open flame or ignition sources.
Beware of electrical voltage.
Beware of a danger zone This symbol indicates that the system must be additionally grounded if additional grounding or equipotential bonding is required at the installation site.
Keep the battery modules away from children.
Beware of hot surface The battery system can get hot during operation.
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Do not short circuit.

4.4. LED Signals

Flashing white

and

blue

alternatively

Glowing white

Flashing slowly

white

Flashing quickly

white

Flashing white and glowing blue

Flashing white and blue

BMU and the battery system are initiating.
Idle (the battery system is neither charging nor discharging).
The battery system is charging.
The battery system is discharging.
The battery system is discharging, and the SOC of it is below 15%.
An error has occurred.

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5. Installation

• For the Australian market , please follow the local standards AS/NZS 5139 and wiring rules. You also can find some special requirements from standards AS/NZS 5139 in appendix A
  5.1. Requirements for Installation
  Requirements for installation location: a) A solid support surface must be available (e.g., concrete or masonry). b) The installation location must be inaccessible to children. c) The installation location must be suitable for the weight and dimensions of the system. d) The installation location must not be exposed to direct solar irradiation. e) The installation location must not be close to the fire. f) The altitude of the installation location should be less than 3000m. g) The ambient temperature should be between -10°C and +50°C.
  5.2. Installation

CAUTION
Risk of injury due to weight of battery module Injuries may result if the battery system is lifted incorrectly or dropped while being transported or when attaching it to or removing it.
· Transport and lift the battery system carefully. Take the weight of the system into account. · Wear suitable personal protective equipment for all work on the battery system.

5.2.1. Needed Tools

Name

Reference picture

Diagonal Pliers

Torque Wrench

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Screwdrivers Wrench
5.2.2. Single Battery System Installation
Procedure: 1. Unpack the battery system. 2. Pile B2 above B1. Make sure the two alignment pins are in
the right place. 3. Screw up the four plastic bolts on the top cover of the
B2 module.
4. Remove the front covers of B2 and B1. When removing the front cover of B2, disconnect the cable behind the Start/ Stop button first.
5. Insert the grommets in holes.
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6. Use the bonding strips to fix B1 and B2 with screws M5×14.(Torque, 4.5 Nm)
5.2.3. Single Stack Installation
Maximum of two battery systems could be piled up. Two battery systems installed like that could be called a single stack. Procedure: 1. Unpack the first battery system package. 2. Pile B2 above B1. 3. Unpack the second battery system package. 4. Remove the front cover of B1 of the second battery system.
5. Empty cable holes of B1 (the second battery system) with diagonal pliers;
6. Pile B1 (the second battery system) above B2 (the first battery system). (not right above, but with an angle)
7. Remove four feet of B1 (the second battery system) with a wrench.
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8. Insert two alignment pins on top of B2 (the first system). 9. Pile B2 (the second battery system) right above B1 (the second
battery system). 10. Screw up four plastic bolts on top of the B2 (the second battery
system). 11. Remove fronts covers. When removing the front covers of B2 in
both battery systems, disconnect the cable behind the Start/Stop button first. 12. Insert grommets on both battery systems.
13. Fix B2 and B1 in both two battery systems and between B2 (the first battery system) and B1 (the second battery system) with six bonding strips.
5.2.4. Multiple Stacks Installation
For multiple stacks installation, permissible positions could be read in the right-hand side drawing. A minimum of 20 mm should be reserved between the side of the battery system, and a minimum of 750 mm should be reserved between the front and back of the battery systems.
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6. Electrical Connection
6.1. Connection Diagram 6.1.1. Single battery system
PE

The designation of the INVERTER port on BMU could be read below.

.

No.

1

2

3

4

5

6

7

8

Assignment 485-A 485-B Unused CAN H CAN L Unused Unused Unused

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Our compatible inverters’ communication ports with BMU designation could be read below.
6.1.2. Single Stack of Battery System
The battery system connected to BMU is appointed as Address 1, and the battery system connected to Address 1 is appointed as Address 2.
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6.1.3. Multiple Battery Systems
The battery system connected to Address 2 is appointed as Address 3, and so on.
6.2. Single Battery System Connection 6.2.1. Connect grounding conductor
Additionally required mounting material (not included in the scope of delivery): Grounding cable
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Cable requirements:
Conductor SC16-6
Grounding cable cross-section: max. 16 mm²

Procedure:
1. Pass the ground conductor through PE port.

SC16- 6

2. Connect with grounding point, with a screw M6×12. (Torque, 8Nm).

3. The other side of the grounding cable should be connected to the common ground. It is recommended to join the grounding cable of the inverter.
10mm 8Nm
6.2.2. Internal Communication Cable Connection

Procedure:
1. Pass communication cable through the first cable hole on right side of front bottom layer on B2.
2. Connect the communication cable to SPI port and two ports of two BIC boards.
3. Leave the red and black power wires of the communication cable aside.

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6.2.3. Internal power cable connection
Procedure: 1. Take off the protective cover of B1- ( negative terminal of
B1); These covers won`t be used again.
2. Pass the cable L2 through the second cable hole on the right side of the front bottom layer on B2.
3. Connect power cable L2 to B- with a screw M10×16.(Torque, 11.5Nm)
4. Connect L2 to B1- ( negative terminal of battery module B1) with two screws M6×16. (Torque, 8 Nm) Meanwhile, fix the black power wire connector reserved there between the screw and the battery module terminal.
5. Take off protective covers of B1+ ( positive terminal of battery module B1) and B2- (negative terminal of battery module B2).
6. Connect power cable L3 to B1+ and B2- with screws
M6×16.Torque, 8NmMeanwhile, fix two power wire of
the communication cable between the screw and the
battery module terminals.
The LED on the BIC board will glow blue for a second once positive and negative power wires of the communication cable are fixed with the battery module terminals.
7. Take off one screw on B2+ (negative terminal of battery module B2) and fix the power wire of the communication cable between the screw and the battery module terminal. (Torque, 8 Nm)
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6.2.4. Data Cable Connection to BMU
Procedure:
1. Check whether the terminal resistor is at the OUT’ port. There should be a terminal resistor if only one battery system is operated. 2\. Lead the data cable into the battery system through small size grommet above theIN’ port.
3. Plug one side of the data cable in In’ port, and the other side to the BMUBMS’ port.
6.2.5. DC Cable Connection to Inverter
Additionally required mounting material (not included in the scope of delivery):
Two DC power cables
Cable requirements: Conductor cross-section: Up to 70 mm², following the requirements of the inverter. Maximum cable length: 5 m. Conductor SCXX-10
Procedure:
1. Lead the DC cables into the battery system through two big size grommets.
2. Fix the connectors with screws M10X16 by a cylinder wrench 14 mm. (Torque, 11.5 Nm)
6.2.6. Close the Front Covers
After the electrical connection is finished, close the front cover. Connect the cable behind the Start/Stop button first, and then fix the front cover with screws.
6.3. Single Stack Connection
Additionally required installation material (not included in the scope of delivery): a. Grounding cable
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Cable requirements: Conductor SC16-6. Grounding cable cross-section: max. 16 mm².
b. Two DC power cables
Cable requirements: Conductor cross-section: Up to 70 mm², following the requirements of the inverter. Maximum cable length: 5 m. Conductor SCXX-10.
Procedure:
1. Fix the ground cable at the grounding point of the upper battery system. The bottom battery system doesnt need to ground anymore. 2\. Plug the internal communication cables on each battery system. 3\. Fix the internal DC cables (L2, L3) on each battery systems. Fix the three power wires (one red ware and two black wares) of the communication cable meanwhile. 4\. Fix the rest of power wires (red) to the B2+ in both battery systems. 5\. Fix the data cable to BMU into theIN’ port in the upper battery system.
6. Remove the terminal resistor on the OUT’ port of the upper battery system. 7\. Connect theOUT’ port on the upper battery system and the `IN’ port of the bottom battery system with a data cable.
8. Lead two DC power cables into the bottom battery system through the big size grommets of the upper battery system and the bottom battery system. Fix the DC connectors with screws M10X16.Torque, 11.5 Nm
9. Lead two cables into the upper battery system through the big size grommets of the upper battery system. Fix the DC connectors with screw M10X16. (Torque, 11.5 Nm)
10. A junction box is needed if more than one battery system is operated. Please follow the locally applicable connection requirements, standards, and directives and the requirements of the inverter manufacturer to install the junction box.
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6.4. Multiple Battery System Connection
For multiple battery systems, the connection method is similar. There is a hole with a grommet at the left side wall of the battery system near the ‘OUT’ port. The internal data cable could go through the hole to connect another battery system. Each stack should have a grounding cable. And all the grounding cables should be connected.

B+

P+

P-

B-
IN OUT IN OUT COM

B+

P+

P-

B-
IN OUT IN OUT COM

7. Commissioning
7.1. Commission the Battery System
Requirements: · The power cable connection between the battery system and the inverter is switched off. · The inverter must be correctly mounted. · All cables must be correctly connected. · The BMU must be correctly connected. (It is recommended not to connect the BMU to the router
during the configuration. It may affect the communication quality between the cell phone and the BMU)
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Procedure: 1. Press the Start/Stop button on the battery system for 3 seconds. If more than one battery
system is installed in parallel, only the Start/Stop button of Address 1 is needed to press.
2. The LEDs both on BMU and battery system start to flash (0.5s white, 0.5s blue). Then it turns to flash white and blue.
3. If the battery system is failed to switch on, check whether all the electrical connections are correct or not.
4. If the electrical connections are correct, but the battery system is still unable to switch on, contact our local after-sale service within 48 hours.
7.2. Configure the Battery System

Before the configuration, you need to download Be Connect APP from Google Play or App Store. The battery system requires the latest version firmware to operate. So please make sure you either have downloaded the latest firmware in your cell phone, or your cell phone could access the Internet during configuration.

Procedure:

1. Open Be Connect, allow the app to access your cell phone memory and choose the language.
2. Press Confirm button to continue on the Privacy Policy page. You can also download it if the Internet is available.
3. On the firmware update page, click the Download Firmware button to download the latest version firmware into your cell phone. If the Internet is not available on-site, you can also use the firmware downloaded in your cell phone.
4. Connect the WLAN of BMU. The name of the WLAN and password could be read on the label of BMU. If the password couldnt be found, or it doesnt work, try the default password `BYDB-Box’. It is recommended to turn off cellular data of your cell phone to keep the stability of the connection between the app and the battery system.
5. Click the Update Firmware button to update. If the firmware in your cell phone is a lower version than the one in the battery system, this step cannot move forward.

Select Application Language

Language

English

Confirm

Privacy Policy of SHEN ZHEN BYD ELECTRONIC CO,.LTD
Responsible for data processing (controllers):
Confirm Cancel Download

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6. After the firmware update, you can set time and choose an inverter brand.

Time

Inverter

System

Grid

Inverter

Back

Configuratio

Service Contact

7. Choose LVL and set how many battery systems are installed in parallel.
8. Set grid information. 9. The configuration is completed.
7.3. Commission the Inverter

Time

Inverter

System

Grid

Model
confir Back

CCoonnffigiguurraattioio

SSeerrvviciceeCCoonnttaacctt

Procedure: 1. Follow inverter manufacture`s instruction to mount and connect the inverter. 2. Make sure the inverter and BMU are correctly connected. 3. Commission the inverter. 4. Configure the inverter. 5. The status of LEDs on BMU and the battery system changes from flashing white and blue to
glowing white. 6. The battery system is ready to work.

7.4. Stop the system
Procedure: 1. Switch off the inverter. Follow the instructions of the inverter manufacture. 2. Switch off the battery system. Press the Stop button of BMU for 5s until LED stops glowing.
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8. Decommissioning
CAUTION Risk of injury due to weight of battery modules Injuries may result if the battery system is lifted incorrectly or dropped while being transported or when attaching it to or removing it.
· Transport and lift the battery system carefully. Take the weight of the system into account. · Wear suitable personal protective equipment for all work on the battery system.
Procedure: 1. Shut off the inverter 2. Switch off the breaker between the inverter and the battery system if there is any. 3. Switch off the battery system 4. Remove connections among the battery system, BMU and the inverter. 5. Remove internal DC cables, communication cables, data cables, and grounding cable. 6. Remove connectors between each battery module. If the battery system is to be stored or shipped, pack it. Use the original packaging or packaging that is suitable for the weight and dimensions of the battery system. Dispose of the battery system in accordance with the locally applicable disposal regulations for electronic waste.
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9. Extension
The battery system could be extended at any time. The SOC of the existing battery system and the module to be added should be similar before the module adding on the existing system. Procedure: 1. Get the SOC figure of the new battery module. 2. Charge or discharge the existing battery system to a similar SOC level. 3. Shut off the inverter. 4. Switch off the breaker between the inverter and the battery system if there is any. 5. Switch off the battery system. 6. Install the new battery system and make the connections. 7. Configure the battery system.

10. Trouble Shooting
10.1. Overview

The customer is not supposed to replace or change the parts. If a fault happens, please contact our local after-sales service within 48 hours.
If the white LED flashes once for one second and then blue LED flashes several times (every time one second), that means an error happens. The times of blue LED flashes are the error codes.
10.2. Error codes on BMU

Blue LED is flashing for one time. Blue LED is flashing two times. Blue LED is flashing three times. Blue LED is flashing for four times. Blue LED is flashing five times. Blue LED is flashing six times.

Battery system initiating failed Address distribution failed Precharge failed BMS failure BMS and BMU communication failed Communication with an inverter failed.

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10.3. Error codes on BMS

Blue LED is flashing once Blue LED is flashing two times Blue LED is flashing three times Blue LED is flashing four times Blue LED is flashing five times Blue LED is flashing six times Blue LED is flashing seven times Blue LED is flashing eight times Blue LED is flashing nine times Blue LED is flashing ten times Blue LED is flashing eleven times

DC cable connection incorrect MOSFET failure BIC communication failed Battery sensor failure Volt sensor failure Current sensor failure Battery failure Precharge failed BIC balance failure temperature sensor on battery control unit failure BMS and BMU communication failure

11. Maintenance and Clean
11.1. Cleaning
It is recommended that the battery system be cleaned periodically. If the enclosure is dirty, please use a soft, dry brush or a dust collector to remove the dust. Liquids such as solvents, abrasives, or corrosive liquids should not be used to clean the enclosure.
11.2. Maintenance

The battery module should be stored in an environment with a temperature range between -10°C +50°C, and charged regularly according to the table below with no more than 0.5C (150 A) to the SOC of 40% after a long time of storage.

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Storage environment Relative humidity of the

temperature

storage environment

Storage time

Below -10

/

Not allowed

-10~25

5%~70%

12 months

25~35

5%~70%

6 months

35~50

5%~70%

3 months

Above 50

/

Not allowed

SOC
/ 30%SOC60% 30%SOC60% 30%SOC60% /

NOTICE Damage to the battery system due to under voltages
· Charge the over-discharged battery system within seven days when the temperature is above 25°C. · Charge the over-discharged battery system within fifteen days when the temperature is below 25°C.

12. Disposal of Battery Systems
· Disposal of the system must comply with the local applicable disposal regulations for electronic waste and used batteries.
· Do not dispose of the system with your household waste. · Avoid exposing the batteries to high temperatures or direct sunlight. · Avoid exposing the batteries to high humidity or corrosive atmospheres. · For more information, please contact BYD.

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13. Technical Data
Items Number of Modules Usable Energy [1] Max Cont. Output Current [2] Max Cont. Input Current [2] Max Cont. Output Power [2] Max Cont. Input Power [2] Peak Output Current [2] Dimensions (H/W/D) Weight Nominal Voltage Operating Voltage Operating Temperature Battery Cell Technology Communication Enclosure Protection Rating Round-trip Efficiency Scalability Certification

Parameters 2 15.36 kWh 250 A 250 A 13.5 kW 13.5 kW 375 A, 5 s 500 x 575 x 650 mm 164 kg 51.2 V 40-57.6 V -10°C to +50°C Lithium Iron Phosphate (cobalt-free) CAN/RS485 IP20 95% Max. 64 in Parallel (983 kWh) IEC62619 / CE / CEC / UN38.3
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Applications Warranty [3] Compatible Inverters

ON Grid / ON Grid + Backup / OFF Grid 10 Years Refer to BYD Battery-Box Premium LVL Minimum Configuration List

[1] Test conditions: 100% DOD, 0.2C charge & discharge at +25°C. The battery system Usable Energy may vary with different inverter brands.
[2] Charge derating will occur between -10°C and +5°C. [3] Refer to BYD Battery-Box Premium Limited Warranty.
14. Declaration of Conformity
Within the scope of the EU directives · Low Voltage Directive 2014/35/EU (29.3.2014 L 96/357-374) (LVD) · Radio Equipment Directive 2014/53/EU (22.5.2014 L 153/62) (RED) BYD Europe B.V. confirms herewith that the battery systems described in this document are in compliance with the fundamental requirements and other relevant provisions of the abovementioned directives. The entire EU Declaration of Conformity can be found at our websites.

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15. Contact Information

BYD Global Service bboxservice@byd.com Telephone: +86 755 89888888-47175 Address:No.3009,BYD Road, Pingshan,Shenzhen,518118,P.R.China www.bydbatterybox.com

Social media link
https://www.facebook.com/BatteryBoxBYD/
Tweets by BYD_BatteryBox
https://www.linkedin.com/company/byd-battery-b ox

Australia Alps Power Pty Ltd

Europe EFT-Systems GmbH

service @alpspower.com.au

service@eft-systems.de

Telephone: +61 2 8005 6688 Address: 14/47-51 Lorraine St Peakhurst NSW 221
www.alpspower.com.au

Telephone +49 9352 8523999 +44 (0) 2037695998(UK) +34 91 060 22 67(ES)

+39 02 873683(IT)

Address: Bruchtannenstraße 28, 63801 Kleinostheim, Garmany

www.eft-systems.de

South Africa

SOLARVILLAGE(PTY)LTD

USA EFT USA

support@afriplusenergy.co.za

USservice@eft-systems.de

Telephone: + 27 83 3755 486

Telephone: +1(833) 338-8721

Address: UNIT 45 DENNEKAMP, SAILSBURY ROAD, KENILWORTH, CAPE TOWN, WESTERN CAPE, 7708

www.eft-systems.de/us

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Appendix A Some special requirements of standards AS/NZS 5139 in Australia

This manual should be used together with the local standards AS/ NZS 5139 and AS/ NZS 3000 wiring rules.

1. Installation clearances
For multiple stacks installation, a minimum of 20 mm should be reserved between the side of the battery system, and a minimum of 750 mm should be reserved in the front of the battery systems. Other clearances, please refer to right figure.
Any other distance/clearances’ requirements not reminded here, please refer to the standards AS / NZS 5139.

300

600

750

20

40
600
mm

2. Electrical Connection – Connection Diagram 2. 1. Single battery system

CAT 5 or above
Breaker

38

2. 2. Single stack of battery system

CAT 5 or above

CAT 5 or above

PP+
Breaker

Master Slave
7 KHEDWWHUV V WHPFRQQHFWHGWR% 08LV DSSRLQWHGDV 0DV WHUDQGWKHEDWWHUV V WHP FRQQHFWHGWR6 ODYH

39

2. 3. Multiple battery system

CAT 5 or above

CAT 5 or above
PE PP+
Breaker

Master Slave 1

Slave 3 Slave 2

The battery system connected to Slave 1 is appointed as Slave 2, and so on. * This manual should be used together with the local standards AS/ NZS 5139 and AS/NZS
3000 wiring rules.

40

References

• ALPS POWER PTY LTD – BYD Battery-Box Australia Authorized Partner
• BYD Battery-Box – BYD Battery-Box
• BYD Battery-Box – BYD Battery-Box
• Eft-Systems
• Eft-Systems
• Eft-Systems

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