LIVOLTEK BLF48100 User manual

User Manual
Residential Energy Storage System
BLF48100
BLF48100.R110 v1.0

CONTENTS
1. About This Manual 1
1.1 Products Covered by This Manual 1
1.2 Target Group 1
1.3 Symbols Used 1
1.4 Storage of the Manual 1
2. Safety 2
2.1 Important Safety Instructions 2
2.2 Response to Emergency Situations 3
2.3 Limitation of Liability 4
3. Scope of Delivery 5
4. Product Appearance 6
5. Mounting 8
5.1 Environment Requirements 8
5.2 Battery Installation Orientation 9
5.3 Battery Installation 10
6Electrical Connection 12
6.1 Battery Power Connection 12
6.2 BMS Communication Connection 13
6.3 Parallel Connection of Multi-batteries 15
7Operating of the Battery 17
7.1 LED status indicator 17
7.2 COM IN/OUT Definition 18
7.3 Turn On/Off the Battery 18
8Technical Data 19

1
1. About This Manual
1.1 Products Covered by This Manual
Livoltek Residential Energy Storage Battery Series:
BLF48100.R110
1.2 Target Group
This manual is intended for a qualified electrician. Any electrical
installation and maintenance on the battery must be performed by
qualified electricians in compliance with standards, wiring rules or
requirements of local grid authorities or bodies.
1.3 Symbols Used
The following types of safety precautions and general information
symbols are used in this manual. These important instructions must be
followed during installation, operation and maintenance of the battery.
Symbol
Description
Indicates a hazard with a high level of risk that, if
not avoided, will result in death or serious injury.
Indicates a hazard with a medium level of risk that,
if not avoided, could result in death or serious
injury.
Indicates a hazard with a low level of risk that, if
not avoided, could result in minor or moderate
injury.
Indicates a situation that, if not avoided, could
result in equipment or property damage.
1.4 Storage of the Manual
Please keep the manual properly and operate in strict accordance with all
safety and operating instructions in this manual. The information in this
manual is subject to change without notice. Please check
www.LIVOLTEK.com for more information.

2
2. Safety
The manual describes the installation, commissioning, maintenance of
the battery. Please read it carefully before operating. To prevent
personal injuryand property damage and to ensure long- term operation
of the product, please read and follow all the instructions and cautions
on the battery and this user manual during installation, operation or
maintenance at all times.
2.1 Important Safety Instructions
Danger to life from electric shock.
•Before performing any work on the battery, make sure the battery is
power off and the DC isolator is disconnected.
•Do not short connect the DC connectors of the battery, which may
cause electric shock to personnel and damage to the product.
•Do not touch DC connectors of the battery.
•If an error occurs, contact your local distributor or qualified electricians.
•Only authorized service personnel are allowed to install the battery or
perform servicing and maintenance.
•The power should be disconnected before attemptingany maintenance
or cleaning or working to the battery.
•Do not open the battery or change any components without
authorization, otherwise the warranty commitment for the battery will
be invalid.
•Appropriate methods must be adopted to protect battery from
electrostatic discharge; any damage caused by ESD is not warranted
by the manufacturer.

3
2.2 Response to Emergency Situations
Leaking Batteries
If the battery leaks electrolyte which is corrosive, avoid contact with the
leaking liquid or gas. Direct contact may lead to skin irritation or chemical
burns. If one is exposed to the leaked substance, do these actions:
• Accidental inhalation of harmful substances: Evacuate people
from the contaminated area, and seek medical attention immediately.
• Eye contact: Rinse eyes with flowing water for 15 minutes, and seek
medical attention immediately.
• Dermal contact: Wash the affected area thoroughly with soap and
water, and seek medical attention immediately.
• Ingestion: Induce vomiting, and seek medical attention immediately.
Wet Batteries or Damaged Batteries
• If the battery is wet or submerged in water, do not try to access it.
• If the battery seems to be damaged, they are not fit for use and may
pose a danger to people or property.
• Please pack the battery in its original container, and then return it to
your distributor
 Fire
• If a fire breaks out where the battery is installed, do these actions:
• Extinguish the fire before the battery catches fire;
• If the battery has caught fire, do not try to extinguish the fire.
• Evacuate people immediately.

4
2.3 Limitation of Liability
Any product damage or property loss caused by the following conditions
LIVOLTEK does not assume any direct or indirect liability.
• Product modified, design changed or parts replaced without LIVOLTEK
authorization;
• Changes, or attempted repairs and erasing of series number or seals
by non LIVOLTEK technician;
• System design and installation are not in compliance with standards
and regulations;
• Failure to comply with the local safety regulations;
• The Product has been improperly stored in distributor’s or end user’s
premises;
• Transport damage (including painting scratch caused by movement
inside packaging during shipping). A claim should be made directly to
shipping or insurance company as soon as the container/packaging is
unloaded and such damage is identified;
•Failure to follow any/all of the user manual, the installation guide and
the maintenance regulations;
•Improper use or misuse of the device;
•Insufficient ventilation of the device;
• The maintenance procedures relating to the product have not been
followed to an acceptable standard;
• Force majeure (violent or stormy weather, lightning, overvoltage, fire
etc.)
• Damages caused by any external factors.

5
3. Scope of Delivery
A
B
C
D
E
F
G
Item
QTY
Designation
A
1
Battery
B
2
Mounting Bracket
C
12
Screws for Fixing Mounting Bracket
D
1
User manual
E
1 pair
Parallel Power cable- positive & negative，
4AWG；
F
1
Communication cable ;Double RJ45 plug;
G
1
MSDS report documents
Accessories for different applications may be different.

6
4. Product Appearance
Thank you for choosing the LIVOLTEK battery. The BLF48100 Series
battery is a series of Low Voltage Lithium-ion battery. It is designed for
residential energy storage system. It must only be connected with a
officially tested inverter (Hybrid or Off-Grid series).
Table 1-1 Mechanical features
Parameter
Value
Dimensions
W450 *H180*D415 mm
Weight
≤ 45 kg
Installation
Rack-mounted installation/Stackable installation with
brackets/Wall Mounted

7
Table 1-2 Ports and terminals
No.
Label
Name
1
Grounding terminal
2
DIP
Set Communication terminal resistor
3
ADD
4
Dry contact
Two-channel dry contact port
5
COM IN
Network port for parallel connection
6
COM OUT
Network port for parallel connection
7
Power
Display the power ON/OFF status of the
battery
8
RUN
Display the running status of the battery
9
ALM
Display the alarm status of the battery
10
SOC
Display the battery capacity, and each
indicator represents 25% SOC
11
B+/B-
Positive and negative power terminals
12
Breaker
DC Breaker
If the battery is not used or not installed for a long time, it is recommended to
measure the voltage and charge it before use for better maintenance.

8
5. Mounting
5.1 Environment Requirements
It is recommended to install the battery into a cabinet and place it indoor. If you
install it outdoor, select a cabinet with a sufficient IP rating. Build sunshade & rain
shelter to avoid direct exposure to sunlight and rain for outdoor application.
• Keep children away from the equipment.
• The optimal ambient temperature for the battery is 15~35℃.
• Avoid exposing the equipment to direct sunlight or rain.
• Install the equipment away from heat/cold source.
• Do not install the equipment in the place where the temperature changes
extremely.
• Install the equipment away from strong interferences to ensure its regular
work.
• Do not install the equipment in places prone to accumulate water.
• Do not put inflammable or explosive matters near the equipment.

9
5.2 Battery Installation Orientation
The battery supports stackable installation with brackets. At most 4 batteries can be
athwart stacked. Ensure that you install the battery in correct directions. Please refer
to figures below (√ means acceptable and X unacceptable).

10
5.3Battery Installation
5.3.1 Unpack and Check for Transport Damage
Unpackingthebatterypackageandmakesurethebatteryisintactduring
transportation. If there are some visible damages, such as cracks, or
missing, please contact your dealer immediately.
5.3.2 Procedure for Stackable Installation
STEP 1: Battery check
Check and confirm the battery is powered off and battery
breaker is turned off before any process.
STEP 2:Prepare support brackets and screws .
STEP 3: Set the battery into the 2 brackets from the rear of the battery
and fasten the screws.

11
STEP 4: Stack battery packs with brackets
At most 4 battery packs can be stacked in this way.

12
6Electrical Connection
6.1Battery Power Connection
Battery connection diagram
Procedure:
Before connecting the power cables, please check and confirm the
battery is powered off and battery breaker is turned off .

13
Procedure:
STEP 1:
•Please assemble the connectors if
they are not pre-assembled.
STEP 2:
•Use an M4 screw to fasten the
grounding wire to grounding terminal
and fix the other end to the specified
position .
Step 3:
• Install the connectors to battery power ports; make sure the
polarities are correct.
Step 4:
•Install the other ends of power cables to the inverter. Please
contact with your inverter vendor for detailed information or read the
operation manual carefully and follow the instruction of the inverter.
6.2BMS Communication Connection
Please check whether the BMS communication cable in the
accessory box is appropriate for the battery. If you are not sure
for that, please confirm with your vendor for help.
Procedure:
STEP 1:
•Please insert the RJ45 connector into the BMS port of battery.
STEP 2:
•Please insert the other end of the cable in the corresponding
port of inverter.

14
BMS RJ45 Connector Pin Definition:
1. BMS_CAN_H
2. BMS_CAN_L
3. BMS_485_A
4. GND
5. BMS_485_B
6. NULL
7. PCS_485_A
8. PCS_485_B

15
6.3Parallel Connection of Multi-batteries
Expandability: Up to 16units of BLF48100 can be parallel connected in one
system.
Parallel Connection Diagram
Procedure:
STEP 1: Assemble the connectors to wire
•Please assemble the connectors if they are not pre-assembled.
STEP 2: Connect network cables
•Connect the COM ports of each battery.
•Then connect the COM IN port of the uppermost battery to
inverter.
STEP 3: Connect grounding wires
•Use an M4 screw to fasten the grounding wire to grounding
terminal of each battery to a specified grounding position.

16
STEP 4: Connect power wires
•Connect the +/–terminals of each battery with power cables in
the accessory box.
•Then connect the + terminal of the uppermost battery, and -
terminal of the bottom battery to the inverter.

17
7Operating of the Battery
7.1LED status indicator
Battery
status
SOC
Green
Green
Red
POWER
RUN
ALRM
LED4
LED3
LED2
LED1
Power off
/
-
-
-
-
-
-
-
Standby
75%≤SOC≤100%
ON
ON
-
ON
ON
ON
ON
50%≤SOC＜75%
ON
ON
-
ON
ON
ON
25%≤SOC＜50%
ON
ON
-
ON
ON
10%≤SOC＜25%
ON
ON
-
ON
0%≤SOC＜10%
ON
ON
Charging
SOC=100%
ON
ON
ON
75%≤SOC＜100%
ON
ON
Flashing
ON
ON
ON
50%≤SOC＜75%
ON
ON
Flashing
ON
ON
25%≤SOC＜50%
ON
ON
Flashing
ON
10%＜SOC＜25%
ON
ON
Flashing
0%≤SOC≤10%
ON
ON
Flashing
Discharging
75%≤SOC≤100%
ON
ON
ON
ON
ON
ON
50%≤SOC＜75%
ON
ON
ON
ON
ON
25%≤SOC＜50%
ON
ON
ON
ON
10%＜SOC＜25%
ON
ON
ON
0%≤SOC≤10%
ON
ON
Flashing: green light on 0.5s then off 0.5s.