Atlas LiFePO4 User manual

Wall Mounted Household Energy Storage Series User ManualLiFePO4

PREFACESummary:This document mainly introduces the product introduction, application scenario, installation, commissioning, system maintenance and technical data of wall mounted household energy storage battery and battery expansion module.Reader object:This document is mainly applicable to the following Engineers:◆ Marketing Engineer◆ System Engineer◆ Technical support engineerSymbolic Convention:The following symbols may appear in this article, and they represent the following meanings:SymbolExplanationIndicates a hazard with high risk that will lead to death or serious injury if not avoided.Indicates a hazard with medium risk that may lead to death or serious injury if not avoided.Indicates a hazard with low-level risk that may cause slight or moderate injury if not avoided.It is used to transmit equipment or environmental safety warning information. If not avoided, it may lead to equipment damage, data loss, equipment performance degradation or other unpredictable results.The "instructions" do not involve personal injury.Indicates a hazard with high risk that will lead to death or serious injury if not avoided.DANGERWarningAttentionNoticeExplanation

Catalog1.Safety precautions. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 1 1.1 General security ..........................................................1 1.2 Personnel requirements .................................................4 2.1 Product introduction ....................................................5 2.2 Appearance description .................................................6 2.3 System diagram ..........................................................83 Product installation . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .9 3.1 Unpacking inspection ....................................................9 3.2 Basic installation requirements ..........................................9 1.3 Electrical safety ..........................................................4 3.3 Ladder use safety .......................................................112 Product introduction . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 5 3.4 Drilling safety ...........................................................11 3.5 Safety of handling heavy objects .......................................11 3.6 Installation guidelines ..................................................114 Electrical connection . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 12 4.4.2 Multiple batteries in parallel .....................................................16 6.2 Connect the upper computer ...........................................276 Battery Monitoring . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .27 6.3.3 Store information ........................................................30 4.2.2 RJ11 communication point definition ...........................................14 8 Battery storage requirements . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 34 5.2.4 Indication description ...................................................22 4.4 Battery connection .....................................................14 4.4.1 Single battery connection ........................................................14 5.2.1 Screen ...................................................................18 6.1 Software running environment .........................................279 Warranty products . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .35 4.1 Cable connection .......................................................12 6.3 Interface function ......................................................28 6.3.4 Parameter setting ........................................................3110 Exemption from liability . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 35 6.3.2 Parallel monitoring ......................................................30 5.2.3 RST key description .....................................................21 4.2 communication line connection .......................................13 4.2.1 RJ45 communication point definition ...........................................135 System tuning . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 17 5.2.5 Sleep and wake up .......................................................23 5.3 Wireless kit (optional) ..................................................24 4.3 System connection diagram ............................................14 6.3.1 Real time monitoring ....................................................28 5.2.2 Buzzer action description ...............................................21 5.2 Battery function description ...........................................18 6.3.6 Export data ...............................................................327 Maintenance and requirements . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .34 6.3.5 System setting ...........................................................32 5.1 Check before power on .................................................17 6.4 Replacing inverter protocol(optional) .........................................33

1.Safety precautions1.1 General securityStatementWhen installing, operating and maintaining the equipment, please read this manual first and follow the signs on the equipment and all safety precautions .The “notice", "attention", "warning" and "danger" in the manual do not represent all safety precautions to be observed, but only supplement all safety precautions. The company shall not be liable for any violation of general safety operation requirements or safety standards for design, production and use of equipment.The equipment shall be used in an environment that meets the requirements of design specifications, otherwise it may cause equipment failure, and the resulting equipment function abnormalities or component damage, personal safety accidents, property losses, etc. are not within the scope of equipment quality assurance. The installation, operation and maintenance of the equipment shall comply with local laws, regulations and specifications. The safety precautions in the manual are only a supplement to local laws, regulations and specifications.The company shall not be liable for any of the following circumstances.◆ Do not operate under the service conditions described in this manual. ◆ The installation and use environment exceeds the provisions of relevant international or national standards.◆ Disassemble, change the product or modify the software code without authorization.◆ Failure to follow the operation instructions and safety warnings in the product and documents.◆ Transportation damage caused by customer's own transportation.◆ Damage caused by storage conditions not meeting the requirements of product documents.General requirementsLive operation is strictly prohibited during installation.◆ It is strictly prohibited to install, use and operate outdoor equipment and cables (including but not limited to handling equipment, operating equipment and cables, plug and unplug signal interfaces connected to outdoor, high-altitude operation, outdoor installation, etc.) in severe weather such as lightning, rain, snow and force gale.◆ After installing the equipment, the empty packaging materials such as cartons, foam, plastic, tie line should be removed.◆ In case of fire, evacuate the building or equipment area and press the fire alarm bell or dial the fire alarm telephone. Under no circumstances shall re-enter the burning building.◆ It is strictly prohibited to artificially alter, damage or block the identification and nameplate on the equipment. DANGER1

◆ When installing the equipment, use tools to tighten the screws.◆ Paint scratches during equipment transportation and installation must be repaired in time. It is strictly prohibited to expose the scratched parts to the outdoor environment for a long time.◆ Do not open the main panel of the device without the permission of the manufacturer.◆ In any case, do not change the structure and installation sequence of the equipment without the permission of the manufacturer.◆ It is forbidden to affect the battery terminal components during handling, and it is not allowed to lift and handle through the battery terminal bolts.◆ It is not allowed to reverse engineer, decompile, disassemble, adapt, implant or other derivative operations on the equipment software, and it is not allowed to study the internal implementation of the equipment in any way.Personal safety◆ Wear appropriate personal protective equipment during equipment operation. In case of any fault that may cause personal injury or equipment damage, the operation shall be terminated immediately, the person in charge shall be reported, and effective protective measures shall be taken. ◆ Before using the tool, please master the correct use method of the tool to avoid personal injury and equipment damage.◆ When the equipment is running, the shell temperature is high and there is a risk of burns. Do not touch it.◆ In case of battery failure, the temperature may exceed the burn threshold of the touchable surface, and contact should be avoided.◆ Do not open or damage the battery. The released electrolyte is harmful to the skin and eyes. Avoid contact.◆ Do not place irrelevant items on the top of the equipment or insert them anywhere in the equipment.◆ Do not place inflammables around the equipment.◆ The battery shall not be placed in the fire to avoid explosion and endanger personal safety.◆ Do not place the battery module in water or other liquids.◆ Do not short-circuit the battery terminal, which may cause combustion.◆ The battery may cause the danger of electric shock and large short-circuit current. When using the battery, pay attention to the following precautions : a) Remove watches, rings or other metal objects. b) Tools using insulated handles . c) Wear rubber gloves and boots . d) Do not place tools or metal parts on the top of the battery . e) Disconnect the charging power supply before connecting or disconnecting the battery terminal.◆ Do not use water or detergent to clean the electrical parts inside and outside the cabinet.2

◆ Do not stand or lean on or sit on the equipment.◆ Do not damage each module of the equipment.◆ When installing the battery module, if the battery module falls or is strongly impacted, the equipment will be damaged. It is strictly prohibited to continue to use, otherwise there will be safety risks (cell leakage, electric shock injury, etc.).Treatment measures for battery leakageIn case of electrolyte leakage, avoid contact with leaked liquid or gas. Electrolyte is corrosive and contact may cause skin irritation and chemical burns. In case of contact with battery electrolyte, the following measures shall be taken.Inhalation: evacuate the contaminated area, enter fresh air immediately, and seek medical help immediately.Eye contact: immediately flush eyes with plenty of water for at least 15 minutes, do not rub, and seek medical help immediately.Skin contact: immediately wash the contact area with plenty of water and soap and seek medical help immediately.Ingestion: seek medical help immediately.Fire treatment measures◆ In case of fire, the system should be powered off under the condition of ensuring safety.◆ Use carbon dioxide, FM-200 or ABC dry powder fire extinguisher to extinguish the fire.When the battery temperature is too high, it will cause battery deformation, damage, electrolyte overflow and toxic gas leakage. Please keep away from it to avoid skin irritation and chemical burns.DANGER◆ Power down the system to ensure personal safety.◆ If any part of the battery is flooded, do not touch the battery to avoid electric shock.◆ Do not use the flooded battery. Contact the battery recycling company for scrapping.Flood emergency measuresBattery recycling◆ Please dispose of waste batteries according to local laws and regulations. Do not treat batteries as domestic waste.◆ If the battery leaks or bulges, please contact technical support or battery recycling company for scrapping.◆ When the battery is unavailable beyond its service life, please contact the battery recycling company for scrapping.◆ Avoid exposing the battery to high temperature or direct sunlight.◆ Avoid exposing the battery to high humidity or corrosive environment.3

1.2 Personnel requirements◆ The personnel responsible for the installation and maintenance of this equipment must understand various safety precautions and master the correct operation methods.◆ Only qualified professionals or trained personnel are allowed to install, operate and maintain the equipment.◆ Only qualified professionals are allowed to dismantle safety facilities and overhaul equipment.◆ Personnel operating the equipment, including operators, trained personnel and professionals, shall have the special operation qualification required by the local state.◆ The replacement of equipment or components (including software) must be completed by professionals or authorized personnel.◆ Professionals: those who have training or experience in operating equipment and can understand the potential sources and magnitude of hazards in the process of equipment installation, operation and maintenance.◆ Trained personnel: personnel who have received corresponding technical training and have necessary experience, can be aware of the risks that may be brought to him during a certain operation, and can take measures to minimize the risks to himself or other personnel.◆ Operators: operators who may come into contact with the equipment other than trained personnel and professionals.ExplanationBefore making electrical connection, please ensure that the equipment is not damaged, otherwise electric shock or fire may be caused.General requirements1.3 Electrical safety◆ All electrical connections must meet the national electrical standards.◆ The cable provided by the user shall meet the requirements of local laws and regulations.◆ Use special insulating tools for high voltage operation.DANGERDC operationIt is forbidden to install or remove the power line with electricity. When the power cord contacts the conductor, it will produce arc or electric spark, which can lead to fire or personal injury.◆ Before the electrical connection of the equipment, if the live parts may be touched, the corresponding breaking device at the front level of the equipment must be disconnected.◆ Before connecting the power cord, confirm that the label identification of the power cord is correct before connecting.DANGER4

◆ If the equipment has multiple inputs, all inputs of the equipment shall be disconnected, and the equipment can be operated only after the equipment is completely powered off.Wiring requirements◆ The use of the cable in high temperature environment may cause aging and damage of the insulating layer. The distance between the cable and the periphery of the heating device or heat source area shall be at least 30mm.◆ Similar cables shall be bound together, and different types of cables shall be laid at least 30mm apart. Mutual winding or cross laying is prohibited.◆ The cables used must be firmly connected, well insulated and of appropriate specifications.2.Product introduction2.1 Product introductionFunctionWall mounted household energy storage series only includes battery modules, which can store and release electric energy according to the requirements of inverter management system.The input and output ports of wall mounted household energy storage series are 48 / 51.2V DC.◆ Battery charging: the power control module is connected with the energy storage terminals (BAT +, bat -) of the inverter to charge the battery and store the excess photovoltaic energy in the battery under the control of the inverter.◆ Battery discharge: when the photovoltaic energy is insufficient to supply power to the load, the system needs to control the battery to supply power to the load and output the stored battery energy to the load through the inverter.ModelThis series of products are divided into five main styles according to shape and functional characteristics, Following chart：(a)(b)( c)(d)(e)IDVoltageScreenCapacityIP Levelabcde48V/51.2V48V/51.2V48V/51.2V48V/51.2V48V/51.2V50/100/150/200Ah50/100/150/200Ah100/200Ah100/200Ah50/100/150/200AhIP21LCDHMILCDHMIHMIIP21IP21IP21IP215

The installation methods of products are consistent. The operation modes of LCD and HMI are different. See screen operation for detailsExplanation2.2 Appearance descriptionLCD screen1234567891011121314151617NO.DescriptionFunctional Description1345678910111213141516LCDDisplay battery status information(Four keys)2Electricity volume indicatorDisplay the battery’s capacity(Four lights)ALMALM alarm indicator light blinkingRUNRun indicator light blinkingBattery+Positive terminalBattery-Nagetive terminalHandleHandlingReset keyOn/OFF buttonADS DialerDisplay connection addressDry contact1/2 Normally open, closed during fault protection 3/4 Normally open, closed when a low battery alarm signal has occurredRS485RS485 communication interfaceCANCAN communication interfaceRS232RS232 communication interface (for battery condition monitoring)RS485RS485 communication interface (Used in communication parallel,and for battery condition monitoring or manufacturer to debug or service)RS485MCBOutput ON/OFFRS485 communication interface (Used in communication parallel,and for battery condition monitoring or manufacturer to debug or service)External interfaceExpand Bluetooth / WiFi / GSM functions176

HMI screen13456789101112131415162NO.DescriptionFunctional Description1345678910111213141516LCDDisplay battery status information(Four keys)2ALMALM alarm indicator light blinkingRUNRun indicator light blinkingBattery+Positive terminalBattery-Nagetive terminalHandleHandlingReset keyOn/OFF buttonADS DialerDisplay connection addressDry contact1/2 Normally open, closed during fault protection 3/4 Normally open, closed when a low battery alarm signal has occurredRS485RS485 communication interfaceCANCAN communication interfaceRS232RS232 communication interface (for battery condition monitoring)RS485RS485 communication interface (Used in communication parallel,and for battery condition monitoring or manufacturer to debug or service)RS485MCBOutput ON/OFFRS485 communication interface (Used in communication parallel,and for battery condition monitoring or manufacturer to debug or service)External interfaceExpand Bluetooth / WiFi / GSM functions7

2.3 System diagram(A) PV module(B) DC switch( C) Inverter(D) AC switch(E) Power Distribution Box(F) Intelligent power collector(G) Power grid(H) Battery(WALL)(I) GSM(J) WIFI(K) Router(L) Bluetooth(M) APP(N) Load◆ The input and output of the wall mounted energy storage system are connected to the energy storage port of the inverter.◆ The communication modes of wall mounted energy storage system include: ◆ The inverter is connected through RS485 interface and can interface to realize the communication and control between the inverter and wall mounted energy storage system. ◆ Connect the battery directly through the mobile phone Bluetooth app to view, manage and maintain the wall mounted energy storage system. ◆ Access the public network through WiFi, and the management system will view, manage and maintain the wall mounted energy system. ◆ Access the public network through GSM, and the management system will view, manage and maintain the wall mounted energy system.Explanation8

3.Product installation3.1 Unpacking inspectionPlease confirm whether the outer package of the product is damaged before unpacking. After unpacking, please carefully check the product for damage or lack of accessories. In case of damage or lack of accessories, please contact the supplier directly for assistance. NO.QTYDescriptionABCDEFGHIJ111212111nnBattery PACKInstructionsMounting bracketM6*40Expansion screws M8MSDS Transportation certificateRS232 communication linePower line 1mParallel line:Customized according to customersRS485 communication line: Customized according to customersH
MSDS
ABCDEFG3.2 Basic installation requirements◆ It shall be installed in a dry and well ventilated environment to ensure good heat dissipation.◆ It is recommended to choose a sheltered installation site or build a sunshade.◆ Avoid direct sunlight or rain, the surrounding environment is clean,and there is no large amount of infrared radiation, organic solvents and corrosive gases. It is preferred to be indoors.9

◆ The installation position shall be away from the fire source.◆ The installation position is not accessible to children.◆ The installation position shall be far away from water sources, such as faucets, sewer pipes, sprinklers, etc., to avoid water infiltration.◆ The installation wall can support the weight of the battery for a long time.◆ Make sure that the selected installation location matches the size of the battery.◆ Do not place inflammables and explosives around the battery.◆ When the battery is running, do not block the vent or cooling system to prevent high temperature fire. Battery operating temperature, charging 0-55 ℃, discharging - 20 ~ 60 ℃.◆ It is forbidden to put the battery in the environment of flammable, explosive gas or smoke, and any operation in this environment is prohibited.◆ The battery can be installed on a vertical or backward inclined plane. Please refer to the following figure:30cm30cm
30cm
30cm
◆ In order to ensure good heat dissipation of the machine and convenient operation and maintenance of personnel, sufficient clearance shall be reserved for the machine during installation. The specific requirements are shown in the figure below:10

3.3 Ladder use safety◆ Wooden ladder or FRP ladder shall be used when power climbing operation may be involved.◆ When using the herringbone ladder, the pulling rope must be firm, and someone must hold the ladder during operation.◆ Before using the ladder, please confirm that the ladder is intact, the bearing weight of the ladder meets the requirements, and overweight is strictly prohibited.◆ When using the ladder, the wide foot of the ladder shall face down or protective measures shall be taken at the bottom of the ladder to prevent slipping.◆ The ladder should be placed in a stable place. The gradient of the ladder should be 75 °, which can be measured with an angle ruler, as shown in the figure below.◆ When climbing the ladder, please pay attention to the following actions to reduce danger and ensure safety: ● Keep your body steady. ● The maximum height of operators standing on their feet shall not exceed the fourth step of the ladder from top to bottom. ● Ensure that the center of gravity of the body does not deviate from the edge of the ladder.3.4 Drilling safetyThe following safety precautions shall be considered when drilling on the wall and ground:◆ Wear goggles and protective gloves when drilling.◆ During drilling, the equipment shall be covered to prevent debris from falling into the equipment. After drilling, the debris shall be cleaned and cleaned in time.3.5 Safety of handling heavy objects◆ When carrying heavy objects, be prepared to bear the load to avoid being crushed or sprained by the heavy objects.◆ When handling the equipment by hand, wear protective gloves to avoid injury.3.6 Installation guidelines◆ Determine the exact location of battery installation; If it is wall mounted, the wall thickness shall be greater than or equal to 100mm;◆ Use the mounting bracket or cardboard to determine the specific location of the hole; Keep the top edge of the cardboard horizontal.◆ Drill 6 holes at the marked position with the hole diameter of φ 8;The hole depth shall not be less than 55mm.◆ Knock 6 expansion screws into the drilled holes.◆ Hang the battery mounting bracket on the screw.11

◆ Lock the nut and fix the battery mounting bracket. Then hang the battery on the mounting bracket.◆ After adjusting the position of the battery, lock the M6 * 40 screw at the top of the support, fix the battery, and place the battery to slide.◆ installation is complete.30cm30cm
30cm
30cm
4.1 Cable connection4.Electrical connectionABAnderson connector is used on the DC input side of wall mounted battery series. The specific connections are as follows:12

NO.ABDescriptionTerminalCable diameterLengthAnderson/SC25-8Anderson25mm²25mm²1-3m1-3mUsed for connection between battery and inverterFor battery parallel connection4.2 Communication line connection4.2.1 RJ45 Communication point definition(8P8C)12345678PIN12345678RS485CANRS485_ANCGNDNCNCCANLNCCANHGNDNCRS485_AGNDRS485_BNCRS485_BNC4.2.2 RJ11 Communication point definition(6P6C)123456PIN123456RS485NCTXRXGNDNCNCExplanation◆ RS232 communication: BMS can communicate with the upper computer through RS232 interface, so that it can monitor various information of the battery through the upper computer, including battery voltage, current, temperature, status and battery production information. ◆ RS485 / can communication: can communication, used for inverter communication.◆ RS485 communication: With dual RS485 interfaces, you can view the information of the pack. If it is necessary to communicate with the monitoring equipment through RS485, the monitoring equipment, as the host, polls the data according to the address, and the address setting range is 1 ~ 15.13

◆ Different inverter communication protocols have different pin definitions. Please pay attention to the compatibility between the battery and inverter RS485 / can communication line.PVPV+PV-NGNDLBAT+BAT-RS485 OR CANAC_OUTAC_INBATBAT+ BAT-RS485 OR CANNGNDLPV combiner boxPVINVERTERBATTERYLOADPOWER GRIDGNDDC BreakerAC BreakerAC BreakerAC Breaker4.3 System connection diagramCable colorDescriptionCable colorDescriptionDC positive wireDC negative wireGround wireLive WireNaught wire Communication line4.4 battery connection4.4.1 Single battery connectionPVPV+PV-NGNDLBAT+BAT-RS485 OR CANAC_OUTAC_INBATNGNDLINVERTERwire less ki tRSTADSDORS485CANRS232RS485OFF ON+--+BatteryPC14

wireless kitRSTADSDORS485CANRS232RS485OFF ON+--+wireless kitRSTADSDORS485CANRS232RS485OFF ON+--+PVPV+PV-NGNDLBAT+BAT-RS485 O R CANAC_OUTAC_INBATNGNDLINVERTER4-6...wireless kitRSTADSDORS485CANRS232RS485OFF ON+--+wireless kitRSTADSDORS485CANRS232RS485OFF ON+--+...Combiner boxPVPV+PV-NGNDLBAT+BAT-R S485 OR CANAC_OUTAC_INBATNGNDLINVERTER-1PVPV+PV-NGNDLBAT+BAT-R S485 OR CANAC_OUTAC_INBATNGNDLINVERTER-3...Combiner boxbattery-1battery-8battery-6battery-15line Aline Cline BMultiple Inverters：Cable colorDescriptionCable colorDescriptionLine A, battery to combiner boxRJ45 Communication LineRS485/CAN communicationParallel Communication lineLine B, inverter to combiner boxLine C, Power line， combiner box parallelExplanation◆ The maximum number of batteries can only be connected in parallel is 15pcs. After parallel connection, the address of ads needs to be assigned, as shown below：
Address2345678910111213101415Dial switchRemark#1#2#3#4OFFOFFOFFOFFONOFFOFFOFFOFFONOFFOFFONONOFFOFFOFFOFFONOFFONOFFONOFFOFFONONOFFONONONOFFOFFOFFOFFONONOFFOFFONOFFONOFFONONONOFFONOFFOFFONONONOFFONONOFFONONONONONONONBattery PACK1(Main PACK)Battery PACK2Battery PACK3Battery PACK4Battery PACK5Battery PACK6Battery PACK7Battery PACK8Battery PACK9Battery PACK10Battery PACK11Battery PACK12Battery PACK13Battery PACK14Battery PACK15
15

4.4.2 Multiple batteries in parallelWhen the maximum continuous output power of the inverter is less than 6kW, the connection mode is as follows:PVPV+PV-NGNDLBAT+BAT-RS485 OR CANAC_OUTAC_INBATNGNDLINVERTERwire less ki tRSTADSDORS485CANRS232RS485OFF ON+--+Battery-1PCwire less ki tRSTADSDORS485CANRS232RS485OFF ON+--+Battery-2~15Cable colorDescriptionCable colorDescriptionDC positive wireDC negative wireRJ11 Communication LineRJ45 Communication LineRS485/CAN communicationCable colorDescriptionCable colorDescriptionDC positive wireDC negative wireRJ45 Communication LineRS485/CAN communicationParallel Communication lineRJ11 Communication LineWhen the maximum continuous output power of the inverter is greater than 6kW, the connection mode is as follows:PVPV+PV-NGNDLBAT+BAT-RS4 85 OR CANAC_OUTAC_INBATNGNDLINVERTERwirele ss kitRSTADSDORS485CANRS232RS485OFF ON+--+wirele ss kitRSTADSDORS485CANRS232RS485OFF ON+--+wireless ki tRSTADSDORS485CANRS232RS485OFF O N+--+wireless ki tRSTADSDORS485CANRS232RS485OFF O N+--+wireless kitRSTADSDORS485CANRS232RS485OFF ON+--+Battery-1Battery-2Battery-3Battery-4Battery-5Combiner box16

◆ The inverter only needs to communicate with the host (Pack1).◆ When multiple batteries are connected with multiple inverters, it is best to connect through the combiner box. If it is not connected through the combiner box, the wiring mode shall be confirmed with the manufacturer's agent. And the cable from each battery to the inverter remains the same length.◆ When multiple batteries are connected to the inverter, the maximum number of connections is as follows (the maximum continuous power of the inverter shall not exceed the maximum output power of the battery):Battery PACK:1-8 PCSBattery PACK:9-15 PCS5KW Inverter8KW Inverter10-12KW InverterCombiner boxMax 8pcsMax 5pcsMax 4PCS1PCSMax 15pcsMax 9pcsMax 7PCS2PCS◆ For parallel connection mode, please refer to the operation instructions of combiner box.◆ Batteries are not allowed to be connected in series.◆ Different material chemical systems, different batches of batteries and design technical parameters can not be assembled and used together. Notice5.System tuning5.1 Check before power onNO.12345678Inspection itemsAcceptance criteriaThe energy storage battery is installed in placeReasonable cable layoutBeautiful binding of cable tiesReliable groundingDisconnect switchThe cable is connected in placeInsulate unused terminals and interfacesThe installation environment meets the requirementsThe installation is correct, firm and reliable.The cable layout is reasonable to meet the user's requirements.The cable ties shall be uniform and no sharp corners shall be left at the cut.The ground wire is connected correctly, firmly and reliably."DC switch" and all switches connected to energy storage are in "off" state.The DC input line, energy storage line and signal line are connected correctly, firmly and reliably.Install insulating tape on unused terminals and interfaces.The installation space is reasonable, the environment is clean and tidy, and there is no construction residue.After the inspection, press and hold the RST key (3 ~ 6S) and release it, the protection board is activated.17