BYD MINI ES Battery Base User manual

MINI ES Battery Base
Installation Manual
MINIES-B3-R1

I
Content
1. Introduction......................................................................................................................1
1.1 Brief description......................................................................................................1
Functions...............................................................................................................2
1.2 Disoperation predictable.................................................................................2
1.3 About this manual...................................................................................................2
Declaration............................................................................................................2
Target Readership.................................................................................................2
Manual keeping.....................................................................................................2
Alarm signs............................................................................................................2
1.4 Abbreviations..........................................................................................................3
1.5 Specification...........................................................................................................4
2. Safety Requirements.......................................................................................................5
2.1 Responsibilities of the installer...............................................................................5
2.2 Qualified electrician................................................................................................5
Qualification...........................................................................................................5
Responsibilities .....................................................................................................6
2.3 Requirements for the installation location..............................................................6
The installation room environmental requirements...............................................6
Room size .............................................................................................................7
Ceiling, ground and wall requirements .................................................................7
Temperature and humidity requirements..............................................................7
Access authority....................................................................................................7
Protection grade....................................................................................................8
2.4 Safety signs on the device.....................................................................................8
2.5 Basic safety information.........................................................................................8
Risk of fatal injury: General...................................................................................8
Risk of fatal injury: Inverter....................................................................................9
Risk of fatal injury: Battery ....................................................................................9
Risk of injury General..........................................................................................10
2.6 Other safety instructions.......................................................................................11
3. Transporting to the Installation Location........................................................................13
4. Installation......................................................................................................................13
4.1 Safety instructions................................................................................................13
4.2 Installation site safety check ................................................................................14
4.3 Check the package...............................................................................................15
4.4 Remove the enclosure .........................................................................................15
Check out the packing list...................................................................................15
4.5 MINIES battery base fixing...................................................................................16
Installation of MINI ES 3kWh/3kW &MINI ES battery base................................16
4.6 Wiring....................................................................................................................21
Remove the side panels of MINI ES battery base..............................................21
Close the breaker................................................................................................27

II
4.7. Trial operation of device......................................................................................28
Check before trial operation................................................................................28
Supply power and start .......................................................................................28
Configure MINI ES 3kW/3kWh &MIINI ES battery base.....................................29
4.8 Reassemble the MINI ES.....................................................................................34
Install left and right side covers of MINI ES 3kW/3kWh and battery base.........35
Fixing the cable protective cover of electrical connection hole ..........................39
Clean up the site.................................................................................................42
Start operation.....................................................................................................42
Daily maintenance...............................................................................................42
4.9 Attached list ..........................................................................................................43
Tool list.................................................................................................................43
5. About BYD .....................................................................................................................44

1
1. Introduction
Dear customer:
Thank you very much for purchasing the MINI energy storage base supplied by BYD Auto
Industry Company Limited. We sincerely believe that our products meet your needs. We
value your feedback on the product performance, appearance and function and we strive
to continually improve our product.
1.1 Brief description
To meet the 3kW/3kWh household energy storage system (MINI ES) capacity expansion
demand, BYD integrated years of development and operation experience launched the
3kW/6kWh household energy storage solution: [3kW/3kWh MINI ES] +3kWh battery base
system.
The system highlighted the overall technology advantages of intellectualization and
integration, set of BYD Iron-Phosphate Battery, PCS, distributed BMS, monitoring system
and other advanced technology, realize remote monitoring through the APP (support iOS
and Android system). With high reliability, high safety, high efficiency, energy conservation
and environmental protection, etc. Small volume, light weight, easy installation and
maintenance.
figure1. Installation effect drawing
Note: MINIES 3kWh battery base is used together with MINIES P30B3-AU-R2, it can be
extended to 3kW/6kWh MINIES system.

2
Functions
Functions of the MINI ES battery base are shown as below:
When MINIES 3kWh battery base is used with 3kW/3kWh MINIES together, it can
extend to be 3kW/6kWh MINIES system.
When grid power is unavailable, battery base will cooperate with MINIES P30B3-AU-
R2 supply power to essential loads, such as computer, phone, TV general lighting, etc.
1.2 Disoperation predictable
Any operation of the storage system beyond the description of correct operation may be
considered as improper use.
The device shall not be operated:
In rooms smaller than 8m3
In rooms that contains flammable materials, fire, or in explosive atmospheres
In insufficient ventilated rooms under 8-25 m3
In areas with ambient temperature below0℃above +40℃
Use the battery not authorized by BYD
In a damaged house
With any batteries other than approved by BYD
With defective cables
With parts that are clearly defective or damaged
1.3 About this manual
Declaration
This manual is applicable to the MINI ES battery base (MINI ES-B3-R1). Mainly
presentation the functions and attentions in transportation, assembling, installation,
commissioning and using of product.
This manual is applicable to transportation, assembling, installation and commissioning.
Target Readership
This manual is intended to be used by the accredited installer.
Manual keeping
This manual contains important information. Please read this manual carefully before
operating and servicing the MINI ES battery base.
Please strictly follow the manual instructions when operating the system, otherwise it may
cause the product to fail or cause personnel casualty or property loss.
This manual shall be stored and safely be accessible on site to the installer and service
technician at any time.
Alarm signs
Please keep several types of safety alarm signs in mind. Familiarize yourself with the
messages and the importance of the various signals as explained.

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Warning instructions identify safety information, which include the following:
Warning sign
Instructions to denote the level of risk
Details of the nature and source of the risk
Details of the potential risk if the warning instructions are disregarded
Risk management to prevent the danger or personnel casualty or material damage
The warning instructions are defined according to the following level of hazards
DANGER!
Denotesanextraordinarilyhazardoussituation
Thiswarningsymbolindicatesanimmediatedanger,whichcanleadtosevere
injuryordeath.
WARNING!
Denotesaverydangeroussituation
Thiswarningsymbolindicatesapotentiallydangeroussituation,whichcouldlead
tosevereinjuryordeath.
CAUTION!
Denotes a dangerous situation
This warning symbol indicates a potentially dangerous situation, which could lead
to minor injury.
NOTICE!
Denotes a risk of material damage
This warning symbol indicates a situation that could lead to material damage.
1.4 Abbreviations
Abbreviation
Description

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PV
Photovoltaic system
APP
Application software
CT
Current transducer
DOD
Depth Of Discharge
SOC
State of Charge
1.5 Specification
NO.
Type
MINIES-B3-R1
Remark
Battery Parameter
1
Rated Voltage
52Vdc
Voltage Range:
44.8Vdc~57.6Vdc
2
Battery Type
LiFePO4
3
Battery
Capacity
3kWh DC side
At +10℃~+30℃,
discharge at 0.5C
Protect Function
4
BMS
Short Circuit Protection
5
Under-temperature Protection
6
Over-temperature Protection
7
Under-voltage Protection
8
Over-voltage Protection
9
Over-current Protection
Other Parameter
10
Operation
Humidity
5%~95%
11
Altitude
<2000m
12
Cooling
Air Cooling
13
Noise
<45dB
14
Communication
Interface
CAN
15
Operation
Temperature
0~40℃
16
Store
Temperature
-10℃~40℃
17
Size
698mm×477mm×200mm
W×D×H
18
Weight
57kg
19
Protection
Level
IP32
20
Usage
Indoor(No Condensation,

5
NO.
Type
MINIES-B3-R1
Remark
Environment
Freeze, Direct Sunlight)
Design Standard
21
Battery
Standard
UN38.3, IEC62619
2. Safety Requirements
2.1 Responsibilities of the installer
The installer must ensure that:
The safety protection equipment of the system is fully functioning
Any unclear warning and safety signage on the device shall be replaced immediately
Make sure there is no flammable items stored near the device
The device shall not be covered at any time
The device is required to be placed on a surface that can support the full weight of the
unit
Transportation, assembling, installation and commissioning of the device shall be
carried out by authorized personnel only
Transportation, assembling, installation and commissioning of the device shall be
carried out only under the specified conditions
The authorized installer shall be capable of evaluating the potential risk
Only authorized and trained electricians can perform installation, commissioning, and
change the settings and connect to the Router
Before installation and operation, any potential hazards shall be identified and the
necessary risk management should be applied onsite.
This manual and safety instructions shall be read and understood by the installer
before starting installation
Changes are not allowed to the software, housing and components of the device
without the manufacturer's approval. Otherwise, the liability and warranty may be
invalid.
The unit is not allowed to be opened except by authorized and trained electricians. If
the seal is broken due to unauthorized modification of the components, the warranty
will be invalid.
All operators of the energy storage system shall follow the user manual, installation and
service manuals and quality guarantee.Any damage to equipment caused by ignoring and
misreading the user manual, installation and service manuals and quality guarantee will
invalidate the product warranty.
2.2 Qualified electrician
Qualification
A qualified electrician is a person who possesses the required knowledge, technical
training and experience, to conduct the following:
Setting up, activating, deactivating, disconnecting, grounding, short-circuiting and

6
repairing electrical circuits and devices.
Standard maintenance and use of protective devices defined in the safety standards.
Administering first-aid to injured parties.
Compliance with local regulations, applicable standards and directives.
Responsibilities
The electrician shall ensure that:
The general information, step-by-step instructions and the safety instructions
regarding assembling and installation are read and followed at all times
Neither the physical size nor the rated current value of fuses can be changed
Before any electrical work is performed, ensure that equipment completely without
electricity and suitable measuring equipment shall be used to ensure that the device
is in accordance with applicable directives
The device shall never be opened during operation
2.3 Requirements for the installation location
Always select a suitable location before installation. The installer shall ensure that the
installation location meets the following conditions:
NOTICE!
Material damage due to inadequate ventilation
Individual components is not cooling fully as inappropriate or clogged ventilation,
will case components aging in advance, this will produce irreversible damage to
the device. Ensure full air circulation during the closing operation.
· Sufficiently ventilate the installation room
· Install all components according to the instructions
· Do not stack anything on the device.
· Operate the device only when it is closed
The installation room environmental requirements
The room must be kept dry and enclosed.
Protected against penetrating water.
Remove irrelevant items.
Always install away from highly flammable (e.g. paper) or explosive materials (e.g.
fuel, paint)
Sufficient ventilation (max humidity of 95%)
When the system is running, it will produce a trace of noise, recommended do not
install in the bedroom and other living areas, better in the garage, storage room, tool
room and other areas where do not affect the users.

7
Room size
Room no less than 8.00 m³.
Room from 8 to 25 m³: passive or active ventilation is required (at 8 m³: air exchange
rate is 12 m³/h).
Rooms larger than 25 m³: do not need separate ventilation.
Space required.
Min. base surface area is 2.00 m²
Min. height is 2.00 m
Min. depth is 2.00 m
Ceiling, ground and wall requirements
Ceiling made from non-flammable material
Ground capable of supporting the total weightof the device: 153kg (3kW/3kWh system
96kg, 3kWh battery base 57kg.)
Minimum clearance from the wall is 15 cm
figure2. Schematic diagram of the installation gap
Temperature and humidity requirements.
Room temperature of 0℃to + 40℃
Max. humidity of 95%
Access authority
Children shall be accompanied by an adult if they are in the installation room
Children shall not operate the storage system

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Protection grade
IP32
2.4 Safety signs on the device
Item
Description
Be aware of dangerous voltage/ electric shock
Follow the guidelines of all relevant documents
Do not dispose the device in the bin
Point of connection for grounding protection
Hot surface
2.5 Basic safety information
This chapter contains the basic safety instructions. Failure to follow the safety instructions
in this manual can result in accidents which can lead to serious injury and/or death, as well
as serious components damage.
Risk of fatal injury: General
DANGER!
Risk of fatal injury due to lack of assistance
In the event of an accident a second person can switch off the power supply and
provide assistance.
· Only perform the work if a secondary installer is presented.

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DANGER!
Due to disregard of safety instructions
If the safety instructions and/or installation are not followed , the product may be
permanently damaged and electrical accidents with serious consequences may
occur.
· Follow the safety instructions
Risk of fatal injury: Inverter
DANGER!
Risk of fatal injury due to residual voltages
The inverter capacitors may still discharge even after the device is switched off.
· Ensure external and internal switches are disconnected.
· After switching off the device, always wait 10 minutes before direct contact with
the unit.
· Use a certified multimeter to check if the device is still energized in accordance
with applicable guidelines
DANGER!
Risk of fatal injury from arcing
Arcing may occur in the event of faults or if fuses and plugs are not properly
connected.
· Always use components in accordance with the instructions of the respective
manual
Risk of fatal injury: Battery

10
DANGER!
Risk of injury due to electric shock
Batteries can generate significant amounts of short-circuit current due to incorrect
operation ,which can cause electric shock and lead to serious injury and/or death.
· While working with batteries, always remove watches, rings and other metal
equipments.
· Only use tools that have insulated handles
· Do not place or store tools or other metal objects on the batteries
· Always disconnect the charging and discharging source first before working on
the battery connections
· Reconnect the unit only after comprehensive check of all connections and terminals,
ensure the wiring Is correct.
DANGER!
Risk of explosion due to using incompatible battery types
If other battery types not approved for the device are used, the existing and unapproved
batteries may explode.
· Only use batteries that have been approved by the manufacture
· Check with the manufacturer before installation
Risk of injury General
WARNING!
Risk of injury due to unauthorized installation
Installation and commissioning of this storage system requires BYD authorized
training and relevant accreditation.
· Installation, cabling and commissioning must only be carried out by authorized,
trained electricians.
· The device operating temperature may reach up to 100℃, do not touch the hot
surface.
· After switching off the device, you must wait for 10 minutes before touching any
components.

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WARNING!
Risk of injury due to heavy weight
The heavy weight of components may cause injury during installation,
disassembling, transportation.
· Transportation and installation requires a minimum of two people.
· Transport the device with appropriate lifting equipment.
WARNING!
Risk of injury due to incorrect installation procedure
If the sequence specified in the instructions is not followed during the installation of
the components, this can cause injury or material damage.
· Read the installation manual carefully and follow the installation procedure.
WARNING!
Risk of injury due to sharp edges
The components have sharp edges, which can cause injury if they are not handled
carefully.
· Wear protective equipment.
· Install the system with a minimum of two people.
WARNING!
Risk of incorrect use of the batteries
Eye and skin injuries can be caused by opening or damaging the batteries.
Never open or damage the batteries
· Do not short-circuit the batteries
· Do not reverse the polarity of the batteries
· Do not overcharge the batteries
2.6 Other safety instructions

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WARNING!
· Climbing on the equipment is prohibited. Please do not pace accessories on or
inside the device.
· Decomposition, reconstruction, repair of equipment without the manufacture
permission is prohibited.
· Internal electrical maintenance of equipment by any non-professional is
prohibited. When maintenance is needed, please contact the authorised
provider.
· Blocking the ventilation of the device is prohibited.
· Do not put any objects inside the equipment.
· Do not touch, pull or cut off the internal cables coming from the device.
· Do not place heat source near the device (such as electric furnace and other
heating equipment).
· Do not wipe the device with a damp cloth or chemicals (such as detergent).
· Do not pull the power cord of the device.
· Do not set the device close to any high frequency machines, wireless machines,
radio, television or the electrical equipment which will disturb signals.
· Do not apply heavy impact or tilt the device.
· Do not spray any liquid on equipment.
· Do not install the device in areas with electrostatic charge or noise.
· The essential loads will experience a short period blackout (less than 5
seconds) when grid drop off before MINIES supplying power.
· Please do not connection medical equipment to essential loads as MINIES is
not a UPS device.
· When the device itself or parts are damaged, do not attempt to repair or move
the device, consult a suitably qualified installer.
NOTICE!
· Avoid direct contact with the device during severe weather condition.
· The device is prohibited to use for medical equipment.
· If equipment appears deformed, broken or has abnormal sounds or smells,
please contact BYD authorised service provider immediately.
· If equipment malfunctions or cannot run normally, please contact the authorised
service provider immediately.
· Keep minimum space requirements for inspection and service.
· If regular maintenance is needed, please contact BYD authorised service
provider.
· If the device is not used for a long time, please keep the system fully charged.
· When the device needs to be relocated, please contact BYD authorised service
provider.
· This equipment is limited to indoor installation, please do not install outdoors.
· This product is limited to use in Australia, If there is any other special
requirements, please contact the manufacture for prior approval.

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3. Transporting to the Installation Location
WARNING!
Risk of injure due to heavy weight
The weight of the components may cause injury during installation, disassembling
and transportation.
· Please remove tripping hazard before installation.
· Transport and install the components with a minimum of two people.
· Transport the device with a appropriate lifting device.
WARNING!
Material damage caused by condensation
If the device is moved from a cold environment to the installation location,
condensation may occur and cause damage to the electronics.
· Only transport the device at temperature between 0 °C to +50 °C.
· A maximum relative humidity of 95% (non-condensing)
· Before commissioning, the device must be in a dry condition.
CAUTION!
Material damage due to crash
Electronic equipment can be damaged due to improper transportation.
· Be gentle and careful during transportation and installation.
4. Installation
4.1 Safety instructions
WARNING!
Risk of injury due to lack of experience
Installing and commissioning the storage system requires training, as well as
accreditation.
· Installation, wiring and commissioning must only be carried out by authorised,
trained electricians

14
WARNING!
Risk of injury due to incorrect installation procedures
If the sequence specified in the instructions is not followed during the installation of
the components, this can cause injury or material damage.
· Read the installation manual carefully and follow the installation procedure.
WARNING!
Risk of injure due to heavy weight
The weight of the components may cause injury during installation, disassembling
and transportation.
· Please remove tripping hazard before installation.
· Transport and install the components by minimum two people.
· Transport the device with appropriate lifting device.
DANGER!
Risk of injury due to electric shock
Batteries can generate significant amount of short-circuit current due to incorrect
operation ,which can cause electric shock and lead to serious injury and/or death.
· While working with batteries, always remove watches, rings and other metal
equipments.
· Only use tools that have insulated handles
· Do not place or store tools or other metal objects on the batteries
· Always disconnect the charging and discharging source first before working on
the battery connections
· Reconnect the unit only after comprehensive check of all connections and terminals
and ensure the wiring is correct.
4.2 Installation site safety check
Refer to section 2.3 “Requirements for the installation location” to select the installation
location.
Ensure the grid is disconnected before installation.

15
DANGER!
Risk of injury due to electric shock
· Ensure the grid is disconnected to the electrical circuit board before installation.
4.3 Check the package
The MINI ES battery base has been carefully inspected and packed before dispatch.
But it is still possible it may be damaged during transportation.
DANGER!
If the external package has been damaged, it is possible the device or the internal
components have also be damaged during the transportation.
· Make a record and check the packing list carefully after removing the external
package.
· If the component is lost or damaged, the customer has the right to reject or ask
the service provider for replacement.
4.4 Remove the enclosure
Check out the packing list
The MINI ES is enclosed in a wooden case which includes other goods to be delivered. It
is forbidden to open the wooden case during transportation to the installation site. If
components are lost or damaged, the customer has the right to reject or ask for a
replacement. The packing list is shown as below:
Number
Item
Quantity
Description
1
MINI ES battery base
1
2
User Manual
1
3
Factory Inspection Report
1
4
Certificate of Qualification
1
5
Fittings for Cabinet
combination connecting
1
Cables, Cable protective cover

16
NOTICE!
· Confirm the MINI ES battery base model number you received is in accordance
with the one you ordered.
· Please keep all components well.
4.5 MINIES battery base fixing
Installation of MINI ES 3kWh/3kW &MINI ES battery base
Lift the device into the position above the expansion bolts, make sure the bolt holes
on the device corresponding with the bolts on the MINI ES battery base, shown as
below.
figure3. Place the 3kW/3kWh MINI ES on the battery base
The left and right side panels of MINI ES 3kW/3kWh shall be removed before fixing
the bolt. The procedure is as follows
Identify the six screws on the left side, the left three screws (Near the wiring
interface side) need to be removed with Philips head screwdriver, the right three
don't need to be completely removed, just had them loosen. The direction of
rotation as shown.

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figure4. Remove side cover
Firstly slid down the side cover, then pull out from left side , as shown
figure5. Remove side cover
Disconnect the grounding cable which is on the bottom of the left side cover,
shown as below: