User Manual - Eft
Contents
1. B Box 2 5 10 0 User Manual Page 6 B Box 2 5 10 0 User Manual SAFETY PRECAUTION Warning notice and caution Users are kindly requested to use the battery delivered from BYD COMPANY LIMITED in strict accordance with the Datasheet and remarks included at the end of the document BYD COMPANY LIMITED will not guarantee against any accidents occurring due to the use of the product outside the requirements mentioned in this Datasheet A warnine Do not crush Dispose according to safety regulations Do not dispose in fire or water Recharge Battery at least every 6 months incl when in storage Once discharged recharge battery within 48hours Do not expose to temperatures above 60 C 140F Must be grounded correctly Do not put front panel face down Do not short reverse polarity or connect in series Disconnect from power and load before maintenance May only be used by qualified professionals nonce Inadvertent operation of damaged B BOX can lead to a hazard situation that may result in serious injury due to electrical shock The B BOX can only be operated when it is technically faultless and in an operationally safe state Regularly check the B BOX for visible damage Make sure that all safety equipment is freely accessible at all time If the B BOX is damaged do not touch it Please immediately contact your after sale service if a significant event message is shown on the LCD inverter A caution Li ion2. indicatio Indication indication indication j a 2 4 OFF The battery module is in unactivated state Shutdown Battery module is on charging status and doesn t have any warning Fast Flash Battery module is fully charged or on idle status Pi and doesn t have any warning 3 Battery module is on protection status i Slow flash aa Battery module is trying to power down i Battery module needs to be calibrated CO aa Remark Sparkle Indicator light is on and off every 1s 0 5HZz Flash indicator light is on and off every 0 25s 2HZ Capacity LED indicator light the current capacity light only sparkles with 0 5HZ when it s being charged and other condition is normally on OFF N Battery module is on discharging status and doesn t have any warning Table 11 SOC status and indicate ur lights are all normally on Capacity is 100 75 2 Fo Th h ligh e last three lights are Capacity is 74 50 normally on The last two lights are normally on Capacity is 49 25 Page 19 B Box 2 5 10 0 User Manual The last one light is normally on Capacity is 24 0 4 6 Alarm information and solution lf a failure occurs such as over voltage protect or over current protect the user can solve the problem using the suggestion shown on Table 12 Table 12 Alarm information and solution Pack over voltage ALM LED on Over temp ALM LED on Over temp ALM LED on Discharging Batteries over
3. household The box includes BYD s lithium ferrum battery with an excellent performance In each box there are 1 2 3 4 pcs batteries modules The box supports parallel connection to expand the capacity from 2 5Kwh to 80Kwh We can meet various capacity requirements from the user s specifications barge yer Figure 1 External drawing B Box 2 5 10 0 User Manual Figure 2 Internal drawing 600 0 600 0 1000 0 1108 0 Figure 3 Structure dimension drawing 2 2 Configuration table ie Taal ae 1 Cabinet B Box Cabinet The outer Cabinet to install the B Plus 2 5 inside and provide DC output 2 Battery B Plus2 5 Battery module with 51 2V44Ah BYD s P N is U3A1 50P A Provides communication with the external equipment Activate part D48 2900 Activates the inverter and the battery 5 Emergency Emergency Cuts off the power in emergency case switch switch Table 1 configuration list Page 9 B Box 2 5 10 0 User Manual 2 3 B BOX amp B Plus definition The BYD battery box series products B Box5 0 B Box10 0 are defined as below B Box Battery Box Cabinet B Plus2 5 battery unit with nominal capacity 2 5Kwh It will be installed inside the cabinet as an energy storage module B Box2 5 Battery nominal capacity 2 5 Kwh Cabinet with 1pcs B Plus2 5 B Box 5 0 Battery nominal capacity 5 0 Kwh Cabinet with 2pcs of B Plus2 5 which are connected in parallel B Box 7 5 Battery n
4. 2 Charge The battery gets the power from power supply such as DC charger Full charged The battery has been fully charged SOC is 100 4 The battery is not on charge status nor discharge and has not been fully charged Failure The battery or BMS are broken need to change to a new unit The battery will stop charging or discharging immediately 14 Protect The battery stops charging or discharging e g cell is under voltage and it is resumed o O O H oO 4 3 Protection Function and warning function The protection function works as described below Table 8 protection function list in as Page 16 B Box 2 5 10 0 User Manual eres ci ia ninnan pe rem sts Remarks The BMS will turn off in the following conditions Y Cell over discharge protection Y Battery under voltage protection Y Discharge over current protection 4 4 Alarm items Table 9 Alarm list Type Warning items Page 17 B Box 2 5 10 0 User Manual Cell overvoltage Cell low voltage i Battery over voltage i Battery low voltage 5 Cell high temperature Battery tall Cell low temperature Cell failure 4 5 Battery status LED display Charge overcurrent i Discharge over current BMS The LEDs on the panel displays different cases depending on the status of the batteries please see table 10 Table 10 LED display explaining Page 18 B Box 2 5 10 0 User Manual ERROR Work Warning aay ore ae Cae ae
5. battery inside when disassembling the system do not intentionally short the positive and negative terminals with metallic objects All works on system and electrical connections must be carried out by qualified personnel only B Box provides an emergency switch that has to be used in case of emergency A potentially hazard circumstance such as excessive heat or electrolyte mist may occur due to incorrect operation damage or abuse If the safety precautions and the warning messages described are not fully understood or if you have any questions please contact the after sales service for guidance Page 7 B Box 2 5 10 0 User Manual The safety section may not include all regulations for your locale Personnel working with B BOX must review applicable federal state and local regulations as well as the industry standards regarding this product During the transport of the system with the package type remove the battery from the cabinet and transport both of them separately 1 USER MANUAL INFORMATION This user manual introduces the B BOX product information Using the guidance and the safety caution items any normal failure actions can be done by the user When using the B BOX if any abnormal failure or urgency occurs please contact immediately the after service center 2 B Box SYSTEM INTRODUCTION 2 1 System Brief introduction B Box stands for battery box and it is the energy storage part of the electric power system in
6. discharge ALM LED on Cell over discharge ALM LED on Remark When under voltage warning happens on the battery or cell ALM LED will be on and the battery will exit the system 1 minute later If the alarm continues please contact with the after sales service staff 5 Power ON When the installation has been finished please refer to the installation guidance the operator should check the cable connections in detail and make sure that all the cables have been properly placed Afterwards the operator can power the system Remark The operator has to make sure that the emergency switch is not on PUSH INTO status Grid activity The system will run automatically when external power input is applied Handle activity Press the RESET on the front panel then the system will be running Page 20 B Box 2 5 10 0 User Manual Once that the system is activated the LED lights will be in different status according to the battery status as it is shown below Table 13 Alarm information and solution m Charging Green light is blinking Red light is OFF Charge protection Green light is ON Red light is blinking 3 Fully charged Green light is ON Red light is OFF ALL SOC lights are ON light is OFF Red light is ON ALL SOC lights are 6 Exit SYSTEM When the user wants to stop the system he can press the Reset button on the front panel Then the battery can be safely taken out of the system Another wa
7. B Box 2 5 10 0 User Manual User Manual B Box2 5 B Box10 0 Update 2015 07 26 Page 3 B Box 2 5 10 0 User Manual Version 1 1 Copyright BYD Company Limited All rights reversed Without written consent of BYD Company any unit or individual cannot extract copy contents of the document or translate it into another language Statement This document will be subject to change without any notice Unless otherwise agreed the document will be used only as a guidance All the statements in this document information and suggestions do not constitute any express or implied liability Please do not hesitate to contact us for further information BYD Company Limited TEL 0755 8988 8888 FAX 0755 8961 9653 Page 4 B Box 2 5 10 0 User Manual CONTENT SAFETY PRECAUTION 1 USER MANUAL INFORMATION 2 B Box SYSTEM INTRODUCTION 2 1 System Brief introduction 2 2 Configuration table 2 3 B BOX amp B Plus definition 2 4 System diagram 2 5 System parameters 3 GENERAL INTRODUCTION OF B Puius 2 5 3 1 B Plus 2 5 brief introduction 3 2 Technical parameters 4 BMS FUNCTION DESCRIPTION 4 1 BMS introduction 4 2 BMS technical terms 4 3 Protection Function and warning function 4 4 Alarm items 4 5 Battery status LED display 4 6 Alarm information and solution 5 Power ON Page 5 6 EXIT SYSTEM 7 MALFUNCTION DIAGNOSE 8 DISPOSE SPECIAL SITUATION 8 1 Black out 8 2 Catastrophic accidents
8. Contact us China BYD LITHIUM BATTERY Co LTD Customer Service Mailbox eubatterygro byd com Telephone 86 0755 89888888 Address No 1 Baoping Road Baolong Industrial Town Longgang Shenzhen 518116 P R China Germany Company name EFT Energy for tomorrow Customer Service Mailbox kontaki eft systems de Telephone 49 6996759811 Address Buchenstrake 37 Lohr a Main 97816 Germany Page 23
9. eeds to be set u Address ADDR P address Dry contact application output alarm info Test terminal B B It measures the battery voltage during testing Activate batt h t dded RESET ctivate battery when no external power adde U3A1 50P A production includes batteries amp BMS battery management system and external shells as it can be seen in the following figure Batteries Figure 7 Internal Structure diagram 3 2 Technical parameters 3 2 1 Charge amp Discharge performance parameters Table 4 Charging parameters Unit Remark Typi cal B Box 2 5 10 0 User Manual Charge voltage equalized charge chargecharge 58 5 protect level Charge voltage floating charge 10 C 0 C recommend charge current is 4A 0 C 10 C recommend charge current is 8A 10 C 70 C recommend charge current is 25A Charge current 3 2 2 Operating environment Table 6 Operating environment parameters iliac lal DischargI ischarging 20 25 oc temperature Page 14 B Box 2 5 10 0 User Manual Te ic er Do not need peripheral cooling equipment 5 When the storage temperature is 25 C should charge discharge battery at least one cycle every 12 months or charge batteries according to the NEXT CHARGE label Storage and In package T t hutd ee A When the storage temperature is 35 C should charge discharge battery at least one cycle every 6 months When the storage temperature is 45 C s
10. hould charge discharge battery at least one cycle every 3 months Normal Maintenance shutdow n mode Stored at room temperature should charge discharge battery at least one cycle every 12 months The battery will exit the system automatically due to low voltage protection lf the temperature is 25 C need to be Low voltage charged within 30days mamenance The battery will exit the system automatically due to low voltage protection lf the temperature is 45 C need to be charged within days 4 BMS FUNCTION DESCRIPTION 4 1 BMS introduction The BMS is an important component that has effect on both battery protection and monitor In the long term process of using batteries the consistence difference of battery pack may causes voltage difference and SOC difference from the cell The cell holding higher SOC may be easily fully charged and cell keeping lower SOC may cause over discharge and lead to cell failure Over charge discharge will cause a series of problems such as increase of resistance lithium ion separation power degradation etc As well as decrease of the efficiency of charge discharge shorten the cycle life and cause potential risk So the BMS avoids over charge discharge of the battery pack or cell unit in order to use batteries in the best way Page 15 B Box 2 5 10 0 User Manual 4 2 BMS technical terms Table 7 BMS technical terms bali Discharge The battery returns power to the load or other equipment
11. ominal capacity 7 5 Kwh Cabinet with 3pcs of B Plus2 5 which are connected in parallel B Box 10 0 Battery nominal capacity 10 0 Kwh Cabinet with 4pcs of B Plus2 5 which are connected in parallel 2 4 System diagram Activity Urgent switche B copper bare _ a Figure 4 System diagram Page 10 B Box 2 5 10 0 User Manual 2 5 System parameters B Box 2 5 B Box 5 0 B Box 7 5 Battery Type Lithium Iron phosphate battery Battery module type B plus2 5 Rated battery energy 0 2C charge amp discharge at 2 5 Kwh 5 Kwh 7 5 Kwh 10 Kwh 25 C Output power Max 2 5 Kw Max 7 5Kw Max 10 Kw Usable battery energy 2 4Kwh 4 8Kwh 7 2Kwh 9 6kwh Cabinet Net Dimension Width 600 depth 600 mm height 1108 Table2 system parameters 3 GENERAL INTRODUCTION OF B PLUs 2 5 3 1 B Plus 2 5 brief introduction B Plus is the commercial name of BYD U3A1 50P A backup battery with 51 2V amp 50Ah which is designed for energy storage application Page 11 B Box 2 5 10 0 User Manual Pom mice interacts SOCHE RUN ERR ARM Figure 6 Display and communication interface Table 3 Display and communication interface hal SOC LED a Indicates the State of charge of the battery RUN LED Indicates the positive is in running status ERR LED Indicates error status Page 12 B Box 2 5 10 0 User Manual Alarm LED Indicates alarm status RJ45 terminal RS232 RS485 Communication ports In case of parallel connection it n
12. y is to press the emergency switch then the B Box will be cut off from the external equipment 7 MALFUNCTION DIAGNOSE Table 14 Normal failure and action Fal acai cacg 1 alunctonalann When the ae LED is lighting continuously please contact the after service personal If there is a failure on RS485 CAN communication it could be Communication failure solved as below Check the communication cables if the alarm does not disappear please contact the after service personal Failure protection Please contact the after service personal It is a normal case during charge when over current protection occurs the yellow LED will lighting until the protection releases This function will release automatically Other failure Please contact the after service personal Page 21 Over current protection B Box 2 5 10 0 User Manual 8 1 Black out lf a Black out happens the battery will provide backup energy to the loads when is a short time black out If the power off time lasts long user should pay attention to the backup time of the battery 8 2 Catastrophic accidents Catastrophic accidents including lightning floods earthquakes fires and other disasters can bring unpredictable damage to the communications equipment To prevent these serious effects on the security of communication the telecom stations should have emergency regulations and procedures of major accident repair Page 22 B Box 2 5 10 0 User Manual
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