Lithium Valley LV-BST-L2.56Aa User manual

LV-BST-L2.56Aa Operation Manual
This Manual introduces LV-BST-L2.56Aa from Lithiumvalley.
LV-BST-L2.56Aa is a 51.2V DC Lithium-ion Phosphate Battery
storage system. Please read this manual before you install the battery
and follow the instruction carefully during the installation process. Any
confusion, please contact Lithiumvalley immediately for advice and
clarification.
Catalogue
1 Safety Information
1.1 General Safety…………………………………………..........................……….2
1.2 Personal Safety…………………………………….........................……….….…2
1.3 Electrical Safety…………………………………….........................……….…....3
1.4 Transportation Safety…………………............................………………….…...3
2 System Information
2.1 Product introduction………………………….........................……………….......4
2.2 Specification………………………………………........................……….…...….4
2.2.1 Battery Module…………………………........................………………..........4
2.2.2 LED Indicator
Definition………………………………….........................…….…...............................6
3 Installation……………………………… …………………................................…...6
3.1 Tool……………………………………………………............................……....….6
3.2 Checking deliverables………………………………...............................……......6
3.3 Installation requirement………………………………….............................…......6
3.4 Installation………………………………...............................................…….....…7
4 Maintenance ……………………………………………........................………..........11
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1 Safety Information
1.1 General Safety
Please carefully read the manual safety precautions and observe all the safety instructions
on the equipment and in this document.
The "DANGER”，"WARNING", and "NOTICE” statements in this document do not cover all
the safety instructions. They are only supplements to the safety instructions.
For user safety and utilization efficiency of this manual, a list of symbols is designed to alert
people from danger. You must understand and comply with the emphasized information to
avoid personal injury and property damage. Relative safety symbols have been listed below.
DANGER indicates a hazardous situation which, if
not avoided will result in serious injury and fire.
1.2 Personal Safety
Only qualified professionals or trained people are allowed to install, operate, and maintain the
equipment.
Personal Safety
Do not place battery at a children or pet touchable area.
Do not touch the energized battery, as the enclosure is hot.
Do not touch the energized battery terminals.
Do not stand on, lean on, or sit on the battery.
1.3 Electrical Safety
Symbols on Battery
There are some electrical symbols on battery relate to electrical safety. Please
make sure you have fully understood them before installation.
Electrical danger
Voltage exits when the battery is powered on.
Only qualified engineers are allowed to
operate.
Earth connector
Earth connection.
DC positive and
negative connectors
Identify positive and negative connectors of
DC power source.
CE mark
The product meets CE certification.
WEEEtag
Can't leave battery as garbage disposal.
Recycle
Battery can be recycled.
Personal Requirements
People who plan to install or maintain battery equipment must be trained, understood all
necessary safety precautions, and are able to perform all operations correctly.
Electrical Safety
Danger
WARNING indicates a hazardous situation which, if
not avoided will result in property loss or void warranty.
Warning
NOTICE indicates normal situation which, if not avoided
will result in that battery doesn't work.
Notice
Follow local laws and regulations when installing, operating, or maintaining the equipment.
The safety instructions in this document are only supplements to local laws and regulations.
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Danger
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
Before installation, ensure that the equipment is intact. Otherwise,
electrics hocks or fire may occur.
Do not connect or disconnect power cables when battery is power-on.
Which may cause electric arcs and sparks more over fire or personal
injury. Before connecting a power cable, check the positive or negative
connectors are correct.
Do not parallel connection with different batteries.
Do not connect battery with AC directly.
Do not connect battery with PV wiring directly.
Do not connect batteries in series.
Do not connect battery to faulty or unqualified inverter or charger.
Do not create short circuits with the external connection.
Make sure the grid is cut off and the battery is powered off before
maintenance.
Make sure the earth cable is connected correctly before operation.
Recharge battery in every six months.
Recharge battery within 10 days after battery is fully discharged.
Make sure battery cable placement is installed correctly.
When the battery is being installed or repaired, make sure the battery is
powered off and using a multi meter to make sure there is no voltage in
the positive and negative terminals.
Please use dedicated insulated tools for install and maintenance.
Please make sure all batteries are power-off when multiple parallel
connection.
Please check lights on sequence when battery power-on.
Please make sure communication connection connect correctly with
battery and inverter.
Please check inverter alarm or SOC reading when there is BMS
communicated with inverter.
Environment Safety
Ensure that the equipment is installed in a dry and well-ventilated
environment.
The installation position must be away from direct sunlight and rain.
The installation position must be far away from fire sources.
The installation position must be far away from water sources such
as taps, sewer pipes, and sprinklers to prevent water seepage.
Do not expose the equipment to flammable or explosive gas or smoke.
Do not perform any operation on the equipment in such environments.
The operation and service life of the battery depends on the operating
temperature. Operate the battery at a temperature equal to or better
than the ambient temperature. The recommended operating
temperature range is from 0°C to 30°C.
1.4 Transportation Safety
2 System Information
3
The products passed certification UN38.3.
The products have MSDS.
The products belong to class 9 dangerous goods.
Please protect the packing case from the below situations.
Being dampened by rains, snows, or falling into water.
Falling or mechanical impact.
Being upside-down or tilted.
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2.1 Product introduce
LV-BST-L2.56Aa is a 51.2V DC battery storage system based on lithium-iron
phosphate battery, which is one of the new energy storage products developed
and produced by Lithiumvalley. It can be used to support relable power for various
types of equipment and systems. LV-BST-L2.56Aa is especially suitable for those
application scenes which required high power output, limited installation space,
restricted load-bearing and long cycle life.
2.2.1 Battery Module
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2.2 Specification
2 System Information
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Cable Panel
ON/OFF
1. ON
For single Battery Module, Long press (more than 3 seconds) ON/OFF button,
Normal LED will be lighted in the front panel then battery will operate normally.
L1 to L6 shows battery SOC, L7/L8 shows battery status.
For multiple Battery Modules in parallel, long press (more than 3 seconds)
ON/OFF button of MASTER battery (Which connect with inverter), normal LED
will be lighted, battery system will automatically encode and assign ID to each
slave battery, then battery system will operate normally.
2 OFF
Press ON/OFF button of Master PACK (which connect with inverter) more than 3s,
LED will flash in the front panel and then release the button, the master pack will
shut down after all slave packs shut down (Sleep mode).
For single Battery Module, Long press (more than 3 seconds) ON/OFF button,
LED will flash in the front panel and then release the button, the battery will shut
down.
In the system with inverter, there is an air switch between inverter and battery
system, normally the air switch keeps off-state if the system does not work.
COM Port
CAN / RS485/RS232 Communication Terminal (RJ45 port),
CAN/RS485 connect to inverter, follow CAN / RS485
protocol.
RS232 Communication follow RS232 protocol, for
manufacturer or professional engineer to debug or service.
PIN
Definition
Pin 1
RS485-B (to PCS, reserved)
Pin 2
RS485-A (to PCS, reserved)
Pin 3
GND_2
Pin 4
CANH (to PCS)
Pin 5
CANL (to PCS)
Pin 6
RS232_TX
Pin 7
RS232_RX
Pin 8
RS232_GND
Link in/Link out
Link in/Link out are used for the communication between battery piles. The
battery pack close to the inverter as the master, others are the slave pack.
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ON/OFF
Link in
P- P+COMLink out
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2.2.2 LED Indicator Definition
flash 1 - 0.25s light//3.75s off flash
2 - 0.5s light / 0.5s off flash 3 - 0.5s
light / 1.5s off
LED Indicators Instructions
Normal
Fault
Battery Level Indicator
Status
L8
L7
L6
L5
L4
L3
L2
L1
Descriptions
Shut down
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
All OFF
Standby
Flash 1
OFF
According to the battery level
Indicates Standby
Charging
Normal
Light
OFF
According to the battery level
The highest capacity indicator
LED flashes(flash 2),others
lighting
Full
Charged
Light
OFF
Light
Light
Light
Light
Light
Light
Turn to standby status when charger off
Protection
OFF
Light
OFF
OFF
OFF
OFF
OFF
OFF
Stop charging
Discharge
Normal
Flash 3
OFF
According to the battery level
UVP
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Stop charging
Protection
OFF
Light
OFF
OFF
OFF
OFF
OFF
OFF
Stop discharge
Fault
OFF
Light
OFF
OFF
OFF
OFF
OFF
OFF
Stop charging and Discharge
3 Installation
3.1 tools
Tools
Install
Cross Screwdriver
Hammer drill（10 mm）
Safety goggles
Anti-dust respirator
3.2 Checking deliverables
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After unpacking the battery, check whether deliverables are intact and complete,
The below table shows the components and mechanical parts that should be
delivered.
3.3 Installation requirement
Install the battery in the in door environment.
Rubber mallet
Installation ESD gloves
Safety shoes
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Place battery in secure location away from children and animals.
Do not place the battery near any heat sources and avoid sparks.
Do not expose the battery to moisture or liquids.
Do not expose the battery to direct sunlight.
Only mount battery on fire resistant building. Do not install
batteries on flammable buildings.
3.4 Installation
Step 1
Placed the base against the wall, the distance between the base and the wall is
30mm as follows. Use the gradienter to keep the base is aclinic.
Step 2
Twist the dowel pin into the base and put the first battery pack on
the base.
Step 3
Twist the dowel pin into the first battery pack.
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Step 4
Put the second battery pack onto the first pack.
Step 5
As step3 and step4, put the third and fourth battery pack onto the second battery pack.
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Step 6
Fixed the battery with the wall using a L shape metal parts and expansion bolts.
Step 7
Put the cover onto the battery pack and being fixed with battery pack using screw.
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Step 8
Connect to ground with a small metal plate as follows.
Step 9
Connect to the power and communication cable.
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ON/OFF
Link in
P- P+COMLink out

Connect the first battery pack power Terminal+(BAT+)and the last battery pack power
Teminal-(BAT-) to the inverter or the DC switches.
The green cable is the communication for the batteries in parallel
Connect the first battery pack COM Terminal to the inverter BMS port for
communication beween inverter and battery.
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4 Maintenance
Recharge Requirements During Normal Storage
Battery should be stored in an environment with temperature range between -10°C
~+45°C and maintained regularly according to following table with 0.5C(51A)current
till40% SOC after long storagetime.
Storage
Environment
Temperature
Relative Humidity of
Storage
Environment
Storage Time
SOC
Below -10℃
/
prohibit
/
-10~25℃
5%~70%
≤12 months
30%≤SOC≤60%
25~35℃
5%~70%
≤6 months
30%≤SOC≤60%
35~45℃
5%~70%
≤3 months
30%≤SOC≤60%
Above 45℃
/
prohibit
/
Recharge Requirements When Over Discharged
Over discharged (90% DOD) battery should be recharged according to
following table, otherwise over discharged battery will be damaged.
Storage
Environment
Temperature
Storage Time
Note
≤15 days
Battery Pack
disconnected from
PCS
≤7 days
<12 hours
Battery Pack connected to
PCS
-10~25℃
25~35℃
-10~45℃
Danger: All the plugs and sockets of the power cables must be not reverse connection.
Danger: Do not short circuit or reserved connection of the battery system’s positive
and negative port.
Caution: Wrong communication cables connection will cause the battery system failure.
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