LiFePO4 OZ OSM3U5000 User manual
Thank you very much for purchasing our products! Before using this
product, please read the user manual carefully. Please feel free to contact
our customer service department if you have any questions. You are also
suggested to keep this user manual well in case you need some more
detail information in future. Specifications are subject to upgrade without
prior notice.
Manual basic Information .................................................................... 01
Product Introduction............................................................................ 02
Installation and storage guide............................................................. 02
Product parameters.............................................................................. 03
Product operation................................................................................. 04
Battery capacity expansion ................................................................. 05
Simple fault diagnosis and troubleshooting...................................... 06
Maintenance.......................................................................................... 07
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Rack-mounted ESS Solution
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1. Manual basic information
1.1 Scope
This manual only applies to the reference 48V/100Ah series Rack mount
solution ESS household energy storage system which manufactured by
DOCAN TECHNOLOGY (SHENZHEN) CO., LIMITED
1.2 Scope
This manual is intended for professionals andend users. Operations can also
be handled by the end user without any specific qualification.
Professionals must have the following skills:
Understand the operation of battery products;
To be trained to deal with risks arising in the installation and use of electrical
equipment and installations;
After training, know how to install and debug battery products; Understand
and comply with this manual and all safety knowledge.
1.3 Safety and regulation
To ensure safety, it is the responsibility of the installer to familiarize himself
with the contents of this manual and all warnings prior to installation.
Warning!
Environmental requirement:
•Do not expose the battery to temperatures higher than 60 ° C;
•Do not place the battery near any heat source;
•Do not expose the battery to moisture or liquids;
•Do not expose the battery to corrosive gases or liquids;
•Do not expose the battery to direct sunlight for a long time;
•Keep the battery in a safe place away from children and animals
•If the battery is heavy, arrange at least two persons to move and install the
battery to avoid battery fall and injury;
•Do not place anything on the battery
Operation cautions:
•This product is low voltage product, do not use this product in series;
•Do not disassemble the battery privately;
•Do not use the conductor to touch the battery positive and negative terminals
at the same time;
•Do not touch the battery pack with wet hands;
•Do not crush, drop, or pierce the battery;
•Handle products according to local safety regulations;
•Store the battery as described in this user manual;
•Ensure reliable grounding of products;
•Do not short circuit the battery. Before installation and handling, take down
all jewelry that may cause short circuit;
•Do not use damaged or deformed batteries;
•Disconnect the battery from the power/load before installation and
maintenance;
•Do not stack the batteries when storing or handling them;
•If the battery is not used for a long time, the battery should be recharged
regularly for 3 months;
•The maximum charge and discharge power cannot exceed 5KW/100A;
otherwise, the product may be damaged.
2. Product introduction
This product is a 48V DC battery system, which is applied in the field of
household energy storage. It can cooperate with inverter and other equipment
to form a complete system to meet the daily demand of household electricity.
This product supports up to 8 parallel machines to expand capacity and
prolong the power consumption time.
2.1 Function characteristics
•Use lithium iron phosphate battery with high safety performance;
•The equipment has perfect protection function;
•Support multi-machine parallel use, easy to expand capacity;
•High precision voltage and current sampling and SOC estimation capability;
•Equipped with a highly visual display, you can directly view the battery
status;
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2.2Product overview 3. Installation and storage guide
3.1 Unpacking inspection
3.1.1 Open the package of the equipment, please check the accessories: one
host, one user manual, one set of communication line, one set of power line.
Hand holder
Positiveconnector*2
Power switch
Screen button
Negative connector*2
RS485 Parallel communication RS485
RS232
Communicate with invertor CAN/RS485
DRY contact
ADD switch
Reset
Breaker switch
LED display
3.1.2 Check whether the equipment is damaged during transportation. If the
equipment is damaged or parts are missing, do not turn on the machine and
inform the carrier and distributor.
3.2 Precautions for installation and storage
3.2.1 Installation of equipment shall be performed by professionals or assisted
by local distributors;
3.2.2 The battery should be installed on a solid Cabinet or Flat ground platform;
3.2.3 Appropriate protective measures should be taken when transporting
equipment; Water droplets may occur when the equipment is moved from a low
temperature environment to a high temperature environment. The equipment
should be completely dry before use to ensure safety.
3.2.4 Do not expose the device to a harsh environment, such as humidity,
inflammable, explosive, or dust. Do not cover or block the vent, and reserve
more than 10cm air circulation gap around the equipment in order to have good
heat dissipation;
3.2.5 When the equipment is not used for a long time, all switcheson the panel
must be placed in the OFF state;
3.3 Connection to the inverter
Note: For operational safety and compliance with regulations, a separate DC
overload protector or disconnection device is required between the battery and
the inverter.
Warning! All wiring must be performed by a professional. The use of appropriate
cables to connect batteries is important for safe and efficient operation of the
system.
To reduce the risk, please use the cable provided by e-infinite or the cable
specifications recommended by e-infinite.
1
2
13
4
4
1
12
11
10 9 8 7
6
3
1
2
3
4
5
6
7
1
9
10
11
12
13
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3.3.1 Power line connection
3.3.2 Communication connection
The product has RS485 and CAN communication functions for external
communication, and the communication interface adopts 8P8C vertical RJ45
socket.
Ensure that the connection is correct during the communication connection.
Pin-out
RS485
CAN
1
RS485B
/
2
RS485A
/
3
/
/
4
/
CANL
5
/
CANH
6
/
/
7
/
/
8
/
/
3.3.3 Dial Switch set up
ON
OFF
Set the dial switch address to “1” when the product communicates with the
inverter.
Address
DIP switch position
#1
#2
#3
#4
1
ON
OFF
OFF
OFF
Caution! Do not place anything on the output terminals of the
positive and negative batteries. Otherwise, short circuit or heat
may be caused.
Caution! Make sure that the positive and negative connectors
are in place, otherwise the battery may overheat;
Caution! Before connecting, ensure that the circuit breaker or
isolator between the inverter and the battery is disconnected.
Ensure that the battery positive terminal (+) is connected to the
inverter positive terminal (+), and the battery negative terminal
(-) is connected to the inverter negative inverter terminal (-).
Max discharge current
Recommend wire
100A
25mm2/1*4AWG (No less than)
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3.3.4 Starting up
Note: please check the power, communication wire again and make sure, that
they are connected correctly before starting up.
After the product is properly connected to the inverter, please turn on the AC
circuit breaker, the breaker between battery and inverter, and then press the
“ ”switch on the battery panel. Otherwise, an alarm may be generated
indicating that the battery is improperly connected.
4. Production parameter
5. Product operation
5.1 LED Indicator Status Description
LED indicator working status
State
Normal /
Warning /
Protection
ON /
OFF
RUN
ALM
Capacity Indication LED
Description
Close
Sleep
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ALL OFF
Standby
Normal
ON
Flash1
OFF
According to the capacity indication
Standby
Warning
ON
Flash1
Flash3
Low voltage
Charge
Normal
ON
ON
OFF
According to the capacity indication
Capacity LED
flash 2, over
charge
Warning
ON
ON
Flash3
Overcharge
protection
ON
ON
OFF
ON
ON
ON
ON
ON
ON
Ifno city power
shows
Temperature,
over current,
invalidation
protection
ON
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
Stop charging
Discharge
Normal
ON
Flash3
OFF
According to the capacity indication
Warning
ON
Flash3
Flash3
OFF
OFF
OFF
OFF
OFF
OFF
Stop discharge
Overcharge
protection
ON
OFF
OFF
Temperature,
over current,
short circuit,
reversion,
invalidation
protection
ON
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
Stop discharge
Invalidation
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
Stop discharge
No.
Item
Parameter
1
Model
OSM3U5000
2
Normal voltage
51.2V
3
Normal capacity
100Ah
4
Votage range
44~58.4VDC
5
Max charge current
Continuous 100A
6
Max discharge current
100A
7
Delivery voltage
50.4~53.5V
8
Working temperature
-20℃~60℃
9
Storage temparature
0℃~45℃
10
Monitoring and communication
RS232/RS485/CAN
11
(L*W*H)
RS232/RS485/CAN
12
Weight
46Kg
13
IP class
IP20
14
Installation
Rack mount
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State
Charge
Discharge
Capacity indicator
L6
L5
L4
L3
L2
L1
L6
L5
L4
L3
L2
L1
Capacity
%
0~16.6%
OFF
OFF
OFF
OFF
OFF
Flash 2
OFF
OFF
OFF
OFF
OFF
ON
16.6~33.2%
OFF
OFF
OFF
OFF
Flash 2
ON
OFF
OFF
OFF
OFF
ON
ON
33.2%~49.8%
OFF
OFF
OFF
Flash 2
ON
ON
OFF
OFF
OFF
ON
ON
ON
49.8~66.4%
OFF
OFF
Flash 2
ON
ON
ON
OFF
OFF
ON
ON
ON
ON
66.4~83.0%
OFF
Flash 2
ON
ON
ON
ON
OFF
ON
ON
ON
ON
ON
83.0~100%
Flash 2
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
Working indicator
ON
Flash 3
LED Flashing Instructions
Flash mode
ON
OFF
Flash1
0.25S
3.75S
Flash2
0.5S
0.5S
Flash3
0.5S
1.5S
6. Battery capacity expansion
6.1 Notice for battery used in parallel
Warning!
Please pay attention to the following items when use the battery in
parallel, otherwise the product may not work properly!
•Do not parallel batteries which voltage is over than 2V directly. When multiple
batteries are used in parallel, please follow the sequence of from low voltage
to high voltage;
•Do not use our products together with other brands;
•Do not use the products with large capacity difference directly in parallel;
•Do not directly use the products with obvious differences between the old
and the new;
6.2Parallel dial switch setting
If the batteries need to be used in parallel, set the battery address based on
the following rules:
ON
OFF
Address
Dial switch position
#1
#2
#3
#4
0
OFF
OFF
OFF
OFF
1
ON
OFF
OFF
OFF
2
OFF
ON
OFF
OFF
3
ON
ON
OFF
OFF
4
OFF
OFF
ON
OFF
5
ON
OFF
ON
OFF
6
OFF
ON
ON
OFF
7
ON
ON
ON
OFF
8
OFF
OFF
OFF
ON
9
ON
OFF
OFF
ON
10
OFF
ON
OFF
ON
11
ON
ON
OFF
ON
12
OFF
OFF
ON
ON
13
ON
OFF
ON
ON
14
OFF
ON
ON
ON
15
ON
ON
ON
ON
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7. Simple fault diagnosis and troubleshooting
WARNING: There is high voltage inside the machine! Do not open or try to
repair or maintenance to avoid shock or death!
Failure
phenomenon
Possible reason
Solution
The unit load
time is reduced
The battery is not fully
charged
Make sure that the battery is
fully charged
Overloaded connection
Remove noncritical loads
The battery is aging and
cannot be fully charged
Contact your customer service
representativeto obtain a
battery replacement kit
Boot alarm
The battery energy is low
Make sure the battery is fully
charged
Overload
Remove noncritical loads
When you contact the service staff, please provide the following information:
Type of machine / date of issue / complete description of the problem (including
the relevant indicator display status, battery configuration, connection and
other information).
8. Clearance and maintenance
8.1 Clearance
Warning!
Before cleaning the product, please turn off all switches of the product to make
the product in the off state.
Regular cleaning of products is recommended. If the housing is dirty, use a
soft, dry brush or dust remover to remove the dust. The case should not be
cleaned with abrasives or corrosive liquids.
8.2 Normal maintenance
The products should be stored in -10 ° C to +45 ° C environment. For long-term
storage products, should charge them according to the following table to keep
the SOC in the corresponding state. The recommended charge current is 50A
(0.5C).
Storage T
RH
Storage time
SOC
-10℃ (less)
/
Forbidden
/
-10~25℃
5%~70%
≤6 month
30% ≤SOC ≤60%
25~35℃
5%~70%
≤3 month
30% ≤SOC ≤60%
35~45℃
5%~70%
≤1 month
30% ≤SOC ≤60%
45℃ (Over)
/
Forbidden
/
Maintain the over discharge battery
Please charge the over discharged battery within the time range specified below,
otherwise the product may be permanently damaged.
Storage temperature
Solution
-10~25℃
≤15
days
25~45℃
≤7
days
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