Pytes E-BOX Series User manual

Shanghai Pytes Energy Co., Ltd
V 4.0.1

Shanghai Pytes Energy Co., Ltd
About This Document
Dear Customer,
This is your Pytes E-BOX Series LFP battery used for Energy storage system. We
provide safe, well-designed and high-performance standard LFP battery packs for you.
The battery pack is compact and easy to install, used as the main part for an energy
storage solution. It is widely used in Residential, Small Commercial and Industrial Energy
Storage Solution.
This manual contains information necessary to install, operate and maintain the battery.
We kindly ask you to read this manual carefully in advance.
This manual is meant for the installers and users of the battery. Only qualitied
installer/electrician may install and perform maintenance work.
The boundaries of its use, as described in this manual, should be kept in mind. This
battery may not be used in medical or in aviation related applications. This LFP battery
pack may not be used for any purposes other than described in this manual. Using the
LFP battery pack for any other purpose will be considered improper use and will void the
warranty of the product. Pytes cannot be held responsible for any damage caused by
improper or incorrect use of the product. Read and understand this manual completely
before using the product. During the use of this product, user safety instructions should
always be followed to the ensure the safety of installers, users, service personnel and
third parties.
This is the original manual, keep it in a safe location! Please consult Pytes for the latest
version of all manuals.
Shanghai Pytes Energy Co., Ltd.
Address: No. 3492 Jinqian Road,
Qingcun town, Fengxian District, Shanghai, 201499
People’s Republic of China
Web: https://www.pytesgroup.com
Email: [e-mail]

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Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol
Description
Indicates a hazard with a high level of risk which, if not
avoided, will result in death or serious injury.
Indicates a hazard with a medium level of risk which, if
not avoided, could result in death or serious injury.
Indicates a hazard with a low level of risk which, if not
avoided, could result in minor or moderate injury.
Indicates warning information about device or
environment security which, if not avoided, could result
in equipment damage, data loss, performance
deterioration, or unanticipated results.
NOTICE is used to address practices not related to
personal injury.
Supplements the important information in the main text.
NOTE is used to address information not related to
personal injury, equipment damage, and environment
deterioration.
Caution, a battery can present a risk of electric shock
and burns by high short-circuit current. Do not short-
circuit the Li-ion battery.
Caution, do not dispose of batteries in a fire, the battery
may explode.
Recyclable.
Read the instruction manual before starting installation
and operation.

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Content
About This Document ................................................................................................................ 2
1 Safety information................................................................................................................... 6
1.1 Personal Safety ................................................................................................................. 6
1.2 Electrical Safety................................................................................................................. 7
1.3 Environment Requirements......................................................................................... 10
1.4 Mechanical Safety .......................................................................................................... 12
1.5 Battery Safety.................................................................................................................. 14
2 Product Introduction ............................................................................................................ 18
2.1 Overview........................................................................................................................... 18
2.2 Label Description............................................................................................................ 21
2.3 Features............................................................................................................................. 22
3 Transportation and Storage................................................................................................ 23
3.1 Transportation Requirements ..................................................................................... 23
3.2 Storage Requirements .................................................................................................. 24
4 System Installation ................................................................................................................ 25
4.1 Checking Before the Installation ................................................................................ 27
4.2 Preparing Tools and Instruments............................................................................... 27
4.3 Determining the Installation Position....................................................................... 28
4.4 Equipment Installation.................................................................................................. 29
4.4.1 Floor-Mounted Installation.................................................................................. 30
4.4.2 Wall-Mounted Installation................................................................................... 30
5. Electrical Connection ........................................................................................................... 33
5.1 Preparing Cables............................................................................................................. 35
5.2 Electrical Connections of the Battery ........................................................................ 36
5.3 Communication connections of battery................................................................... 39
6 System Commissioning ........................................................................................................ 41
6.1 Verification before power-on ..................................................................................... 41
6.2 System Power-on........................................................................................................... 42
6.3 BMS commissioning Monitoring................................................................................ 43
7 System Maintenance............................................................................................................. 46

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7.1 System Power-Off.......................................................................................................... 47
7.2 Routine Maintenance .................................................................................................... 48
7.3 Troubleshooting ............................................................................................................. 49
7.3.1 Unable to start......................................................................................................... 49
7.3.2 Unable to charge..................................................................................................... 49
7.3.3 Unable to discharge ............................................................................................... 50
7.3.4 ALM indicator(alarm) constantly on ...................................................................... 50
7 Emergency Handling............................................................................................................. 51
9 Technical Specifications ....................................................................................................... 52
Appendix 1 Inverter compatibility declaration.................................................................. 53

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1 Safety information
1.1 Personal Safety
Ensure that power is off during installation. Do not install or remove a cable with power
on.
Non-Standard and improper operation on the energized equipment may cause fire,
electric shocks, or explosion, resulting in property damage, personal injury, or even
death.
Before operations, remove conductive objects such as watches, bracelets, bangles,
rings, and necklaces to prevent electric shocks.
During operations, use dedicated insulated tools to prevent electric shocks or short
circuits. The dielectric withstanding voltage level must comply with local laws,
regulations, standards and specifications.
During operation, wear personal protective equipment such as protective clothing,
insulated shoes, goggles, safety helmets, and insulated gloves.
General Requirements
⚫Do not stop protective devices. Pay attention to the warnings, cautions, and related
precautionary measures in this document and on the equipment.
⚫If there is a likelihood of personal injury or equipment damage during operations,
immediately stop, report the case to the supervisor, and take feasible protective
measures.
⚫Do not power on the equipment before it is installed or confirmed by professionals.
⚫Do not touch the power supply equipment directly or with conducts such as damp
objects. Before touching any conductor surface or terminal, measure the voltage at
the contact point to ensure that there is no risk of electric shock.
⚫Do not touch operating equipment because the enclosure is hot.
⚫In the cases of a fire, immediately leave the building or the equipment area and
activate the fire alarm or call emergency services. Do not enter the affected building
or equipment area under any circumstances.

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Personnel Requirements
⚫Only professionals and trained personnel are allowed to operate the equipment.
◼Professionals: personnel who are familiar with the working principles and
structure of the equipment, trained or experienced in equipment operations and
are clear of the sources and degree of various potential hazards in equipment
installation, operation, maintenance.
◼Trained personnel: personnel who are trained in technology and safety, have
required experience, are aware of possible hazards on themselves in certain
operations, and are able to take protective measures to minimize the hazards
on themselves and other people.
⚫Personnel who plan to install or maintain the equipment must receive adequate
training, be able to correctly perform all operations, and understand all necessary
safety precautions and local relevant standards.
⚫Only qualified professionals or trained personnel are allowed to install, operate, and
maintain the equipment.
⚫Only qualified professionals are allowed to remove safety facilities and inspect the
equipment.
⚫Personnel who will perform special tasks such as electrical operations, working at
heights, and operations of special equipment must possess the required local
qualifications.
⚫Only authorized professionals are allowed to replace the equipment or components
(including software)
⚫Only personnel who need to work on the equipment are allowed to access the
equipment.
1.2 Electrical Safety
Before connecting cables, ensure that the equipment is intact. Otherwise, electric shocks
or fire may occur.
Non-standard and improper operations may result in fire or electric shocks.
Prevent foreign matter from entering the equipment during operations. Otherwise,
equipment damage, load power derating, power failure, or personal injury may occur.
For the equipment that needs to be grounded, install the ground cable first when

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installing the equipment and remove the ground cable last when removing the
equipment.
General Requirements
⚫Follow the procedures described in the document for installation, operation, and
maintenance. Do not reconstruct or alter the equipment, add components, or change
the installation sequence without permission.
⚫Obtain approval from the national or local electric utility company before connecting
the equipment to the grid.
⚫Observe the power plant safety regulations, such as the operation and work ticket
mechanisms.
⚫Install temporary fences or warning ropes and hang "No Entry" signs around the
operation area to keep unauthorized personnel away from the area.
⚫Before installing or removing power cables, turn off the switches of the equipment
and its upstream and downstream switches.
⚫If any liquid is detected inside the equipment, disconnect the power supply
immediately and do not use the equipment.
⚫Before performing operations on the equipment, check that all tools meet the
requirements and record the tools. After the operations are complete, collect all tools
to prevent them from being left inside the equipment.
⚫When installing the equipment, use a torque tool of a proper measurement range to
tighten the screws. When using a wrench to tighten the screws, ensure that the
wrench does not tilt, and the torque error does not exceed 10% of the specified
value.
⚫After the installation is complete, ensure that protective cases, insulation tubes, and
other necessary items for all electrical components are in position to avoid electric
shocks.
⚫Before maintaining a downstream electrical or power distribution device, turn off the
output switch on the power supply equipment.
⚫During equipment maintenance, attach "Do not switch on" labels near the upstream
and downstream switches or circuit breakers as well as warning signs to prevent
accidental connection. The equipment can be powered on only after troubleshooting
is complete.
⚫Do not open equipment panels.
⚫Check equipment connections periodically, ensuring that all screws are securely
tightened.
⚫Only qualified professionals can replace a damaged cable.
⚫Do not scrawl, damage, or block any labels or nameplates on the equipment.
Promptly replace labels that have worn out.
⚫Do not use solvents such as water, alcohol, or oil to clean electrical components
inside or outside of the equipment.
Grounding

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⚫Ensure that the grounding impedance of the equipment complies with local electrical
standards.
⚫Ensure that the equipment is connected permanently to the protective ground.
Before operating the equipment, check its electrical connection to ensure that it is
reliably grounded.
⚫Do not work on the equipment in the absence of a properly installed ground
conductor.
⚫Do not damage the ground conductor.
Cabling Requirements
⚫When selecting, installing, and routing cables, follow local safety regulations and
rules.
⚫When routing power cables, ensure that there is no coiling or twisting. Do not join or
weld power cables. If necessary, use a longer cable.
⚫Ensure that all cables are properly connected and insulated and meet specifications.
⚫Ensure that the slots and holes for routing cables are free from sharp edges, and
that the positions where cables are routed through pipes or cable holes are
equipped with cushion materials to prevent the cables from being damaged by sharp
edges or burrs.
⚫Ensure that cables of the same type are bound together neatly and straight and that
the cable sheath is intact. When routing cables of different types, ensure that they
are away from each other without entanglement and overlapping.
⚫When cable connection is completed or paused for a short period of time, seal the
cable holes with sealing putty immediately to prevent small animals or moisture from
entering.
⚫Secure buried cables using cable supports and cable clips. Ensure that the cables in
the backfill area are in close contact with the ground to prevent cable deformation or
damage during backfilling.
⚫If the external conditions (such as the cable layout or ambient temperature) change,
verify the cable usage in accordance with the IEC-60364-5-52 or local laws and
regulations. For example, check that the current-carrying capacity meets
requirements.
⚫When routing cables, reserve at least 30 mm clearance between the cables and
heat-generating components or areas. This prevents deterioration or damage to the
cable insulation layer.
⚫When the temperature is low, violent impact or vibration may damage the plastic
cable sheathing. To ensure safety, comply with the following requirements:
◼Cables can be laid or installed only when the temperature is higher than 0°C.
Handle cables with caution, especially at a low temperature.
◼Cables stored at subzero temperatures must be stored at room temperature for
at least 24 hours before they are laid out.
⚫Do not perform any improper operations, for example, dropping cables directly from
a vehicle. Otherwise, the cable performance may deteriorate due to cable damage,

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which affects the current-carrying capacity and temperature rise.
ESD
The static electricity generated by human bodies may damage the electrostatic-sensitive
components on boards, for example, the BMS board.
⚫When touching the equipment and handling boards, observe ESD protection
regulations and wear ESD clothing and ESD gloves or a well-grounded ESD wrist
strap.
⚫When holding a board, hold its edge without touching any components. Do not touch
the components with bare hands.
⚫Package boards or modules with ESD packaging materials before storing or
transporting them.
1.3 Environment Requirements
Do not expose the equipment to flammable or explosive gas or smoke. Do not perform
any operation on the equipment in such environments.
Do not store any flammable or explosive materials in the equipment area.
Do not place the equipment near heat sources or fire sources, such as smoke, candles,
heaters, or other heating devices. Overheat may damage the equipment or cause a fire.
Install the equipment in an area far away from liquids. Do not install it under areas prone
to condensation, such as under water pipes and air exhaust vents, or areas prone to
water leakage, such as air conditioner vents, ventilation vents, or feeder windows of the
equipment room. Ensure that no liquid enters the equipment to prevent faults or short
circuits.
To prevent damage or fire due to high temperature, ensure that the ventilation vents or
heat dissipation systems are not obstructed or covered by other objects while the
equipment is running.