CFE CFE-5A User manual

Residential ESS Lithium-ion Battery
CFE-5A User Manual
Published: 0418, 2023
Version 1.0

About CFE RESS Li-ion Battery
CFE-5A can be installed in Parallel, more attention should be
paid to the DIP and address selection following with part 5.3.2.
About this Manual
The Manual is intended for the CFE-5A Residential ESS, the
hybrid inverter and any other equipment are not included.
2023 CF Energy Co., Ltd. All rights reserved.
CF ENERGY CO.，LTD. mentioned later is abbreviated as CFE.
This document is provided “as-is.” Information in this document, including URL and other
Internet Web site references, may change without notice.

Contents
1 Safety Instructions ...................................................................................................................................1
1.1 Important Safety Instructions ............................................................................................. 1
1.2 Warnings in this Document..................................................................................................1
1.3 Battery handling guide ..........................................................................................................2
1.4 Response to emergency situations.................................................................................. 2
1.5 Installers................................................................................................................................... 3
1.6 Scrap battery .......................................................................................................................... 4
1.7 Customer careline ..................................................................................................................4
2 Product Introduction ...............................................................................................................................4
2.1 Technical data .........................................................................................................................4
2.2 Indicator and ports ................................................................................................................ 5
2.3 Communication interface plat ........................................................................................... 6
2.4 How it works ............................................................................................................................7
2.5 Feature ..................................................................................................................................... 7
3 Guidance for batteries during shipment............................................................................................ 8
4 Installation Prerequisites.......................................................................................................................8
4.1 Installation location............................................................................................................... 8
4.2 Installation process.............................................................................................................. 9
4.3 Installation materials ............................................................................................................ 9
4.4 Tools....................................................................................................................................... 10
4.5 Safety instruments ............................................................................................................. 10
4.6 Communication cable........................................................................................................ 11
4.7 Storage...................................................................................................................................11
5 Battery Installation ................................................................................................................................ 12

5.1 Package items.......................................................................................................................12
5.2 Checks before installation ................................................................................................ 12
5.3 Installation of the battery..................................................................................................12
5.4 Cable connections .............................................................................................................. 18
6 Commissioning.......................................................................................................................................18
6.1 Commissioning battery ...................................................................................................... 18
6.2 Shutting down battery....................................................................................................... 19
Warranty of Residential ESS................................................................................................................... 20
RED Declaration of Conformity (DoC)..................................................................................................24

1
1 Safety Instructions
1.1 Important Safety Instructions
This manual contains important instructions for:
CFE-Residential ESS Lithium-ion Battery product
This manual must be followed when installing and using this product.
The product is designed and tested in accordance with international safety requirements
IEC 62619/IEC 62040/UL1973, but as with all electrical and electronic equipment, certain
precautions must be observed with regard to product installation and/or operation. To
reduce the risk of personal injury and ensure safe installation and manipulation of the
product, it is required to carefully read and follow all instructions, cautions and warnings in
this manual.
1.2 Warnings in this Document
A warning describes a possible hazard to equipment or personnel, which calls attention to a
procedure or practice. Improper enforcement or compliance with warnings could result in
damage or destruction of part or all of the equipment and/or other equipment connected to
the equipment or personal injury.
Symbol
Description
Beware of risk of electric shock
Heavy enough may cause severe injury
Keep the battery away from open flame or ignition sources
Keep the battery away from children
Do not dispose of the product with household waste
Recycling
Read this manual before installation and operation

2
For safety reasons, installers are responsible for familiarizing themselves with the contents
of this manual and all warnings before performing installation.
If the battery is not used for more than 6 months from the production date, it shall be
charged once. The failure caused by the overdue failure to perform the standard operation
is not within the scope of warranty.
1.3 Battery handling guide
Use the battery pack only as directed.
1.4 Response to emergency situations
The CFE-Residential ESS Lithium-ion Battery is designed with multiple safety strategies to
prevent hazards resulting from failures. However, Cannot guarantee their absolute safety
for uncertain situations.
1.4.1 Leaking batteries
If the battery pack leaks electrolyte, direct contact with the leaking liquid or gas must be
avoided. Contact with electrolyte may cause skin irritation and chemical burns due to its
corrosiveness. If one is exposed to the leaked substance, the following actions should be
taken:
Inhalation: Evacuate the contaminated area, and seek medical attention immediately.
Eyes contact: Rinse eyes with flowing water for 15 minutes, and seek medical attention
immediately.
Skin contact: Wash the affected area thoroughly with soap and water, and seek medical
attention immediately.
Ingestion: Induce vomiting as soon as possible, and seek medical attention immediately.
1.4.2 Fire
In case of a fire, make sure that an ABC or carbon dioxide extinguisher is placed nearby and
do not extinguish the fire by water.
WARNING
The battery pack may catch fire when heated above 130°C.
If a fire breaks out where the battery is installed, please take the following actions:

3
1) Extinguish the fire before the battery catches fire.
2) If the battery has caught fire, do not try to extinguish the fire, and evacuate
people immediately.
Do not approach in case of any contact with poisonous gases once the battery
catches fire.
1.4.3 Wet battery
If the battery is wet or submerged in water, do not try to access it. It’s proper to contact
customer careline or your distributor for technical assistance.
1.4.4 Damaged battery
If the battery is damaged, please contact customer careline or your distributor for
appropriate countermeasures as soon as possible, because damaged batteries are
dangerous and must be handled with extreme caution. Damaged batteries are not suitable
for use and may pose a danger to people or property. If the battery seems to be damaged, it
also should be returned to your distributor.
CAUTION
Given the high possibility of damaged batteries exporting electrolyte or flammable
gas, the correct action is to contact your distributor for advice and information
immediately. Such cases will be addressed within 48h.
1.5 Installers
CFE-Residential ESS Lithium-ion Battery is suggested to be installed by skilled workers or
electricians. A skilled worker is defined as a person who has received professional training
and qualified electrician or possesses all of the following skills and experience:
Knowledge of the functional principles and operation of on-grid energy storage
systems.
Knowledge of the dangers and risks associated with installing and using electrical
devices and acceptable mitigation methods.
Knowledge of the installation of electrical devices.
Knowledge of adherence to this manual and all safety precautions and optimal
practices.

4
1.6 Scrap battery
For scrap battery, please treat with local laws or regulations to recycle.
1.7 Customer careline
The contact information for technical assistance is given as below. This phone number is
available 24/7 and we will register your problems and provide reasonable solutions within
48h.
Customer careline [phone]
2 Product Introduction
2.1 Technical data
Model CFE-5A
Total Energy* 5.1 kWh
Usable Energy(DC)
Max. Discharge Powe
4.3 kWh
r 5.0 KW
Rated Capacity 100 Ah
Voltage 48~56 Vd.c
Nominal Voltage 51.2 Vd.c
Operating Condition Indoor
Charge Operating Temperature 0~45℃
Discharge Operating Temperature -10~55℃
Dimensions (W*D*H) 442*500*133 mm
Weight 45±0.5 kg

5
IP Rating IP 20
Protective Class I
Parallel or Series Support 8 Parallel
Relative Humidity (RH) 0~95% (No condensed water)
Cooling Type Ambient cooling
Case Material Metal
Color
Installatio
White
nCabinet, Wall Mounting, Ground
Installation
Warranty
Communicatio
5Years
n CAN/RS485
Protection Mode Triple Hardware Protection
Battery Protection
Over-Current/ Over-Voltage/ Short
Circuit/ Under-Voltage/ Over
Temperature
Safety Certificate UN3480
Testing Conditions Based on Temperature 25℃at The Beginning of Life.
Total Energy/Usable Energy Measured Under Specific Conditions From 0.2C CC/CV
2.2 Indicator and ports
The four green lights on the front of the battery display the SOC status of the battery, and
the other red and green lights indicate the operating status of the battery.

6
Table 2-1 Designations on the battery
Item
Designatio
n
Definition
1
Running
Battery normally working without fault
2
Fault
Battery is in a warning state, see troubleshooting in Chapter
8
3
SOC
Each green light represents 25% of the battery capacity.
2.3 Communication interface plat
SW1
DIP switch selection for CAN or RS485
SW2
Resistance for communication and DIP switch for parallel/series
connection