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B-Box Residential user manual
B-Box Res 2.5~10.0
User Manual
Rev 1.0_April.2017
Copyright © BYD Company Limited. All rights reversed.
Without the written consent of BYD Company, any entity or individual shall not extract,
copy contents of the document, it is not allowed to be translated in any conditions.
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Table of Contents
Related Manuals for BYD B-Box Res 2.5
Summary of Contents for BYD B-Box Res 2.5
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Page 1: User Manual
User Manual Rev 1.0_April.2017 Copyright © BYD Company Limited. All rights reversed. Without the written consent of BYD Company, any entity or individual shall not extract, copy contents of the document, it is not allowed to be translated in any conditions. - Page 2 The product version update or other reasons for changes should be subjected to adjust on the condition of BYD’s notice. Unless otherwise agreed, the document used as guidance only, all statements information and suggestions in this document do not constitute any expression.
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Page 3: Table Of Contents
Contents 1.1 About this manual ..........................4 1.2 Target Group ............................4 1.3 Intend usage ............................4 1.4 B-BOX and B-Plus definition ......................4 1.5 Identifying the Product ........................4 2 Safety ................................5 2.1 Safety precaution ..........................5 2.2 Safety guidelines for installation ...................... 6 3 Technical parameters .......................... -
Page 4: About This Manual
BYD. 1.4 B-BOX and B-Plus definition BYD battery box products B-Box Res 2.5~10.0 are defined as below: B-Box: Battery Box B-Plus2.5: battery unit with nominal capacity is 2.56KWh, will be installed inside the cabinet as an energy storage module. -
Page 5: Safety
Users are be kindly requested to use the battery which is delivered from BYD Lithium Battery Company Limited in strict accordance with the Datasheet and remarks include at the end of this document. BYD Lithium Battery Co., Ltd. will not guarantee the use of this data sheet outside of any accident. WARNING Do not crush, dispose according to safety regulations (Do not dispose in fire or water). -
Page 6: Safety Guidelines For Installation
Installation personnel cannot wear watches, etc., to avoid short circuit and man-made damage. CAUTION Due to heavy weight of BYD B-Box Res 2.5~10.0, please use strong package and do safety protection during transportation, and make sure to the safety to avoid man-made damage. -
Page 7: Technical Parameters
3 Technical parameters B-Box Res 2.5 B-Box Res 5.0 B-Box Res 7.5 B-Box Res 10.0 Battery Type Lithium Iron phosphate battery Battery module B-Plus2.5 Nominal Battery Energy 2.56 5.12 7.68 10.24 Max Output power(KW) 10.0 Usable battery energy(KWh)(0.2C 2.45 4.90 7.35... -
Page 8: Technical Explanation
4 Technical explanation Terms comment Discharge Battery output power for load Charge Battery power supply(such as DC charger) Full charged Battery full charge, SOC is 100%. Idle Battery is on status of neither charge nor discharge and had not full charged. Shutdown mode Power off State of Charge... -
Page 9: Product Overview
B-Box is the short name of battery box, the energy storage part in the electric power system is household, the B-box carries BYD’s lithium battery with excellent performance. There are 1/2/3/4 pcs batteries modules in each box, and the box support parallel connection to expend capacity from 2.5KWh to 80KWh, which can meet various capacity requirement for customers. -
Page 10: B-Box Configuration Table
B-Box The Cabinet is used to install the B-Plus 2.5 inside and provide DC Cabinet output(Each cabinet can install max 4pcs B-Plus2.5) Battery module with 51.2V50Ah, BYD’s P/N is: U3A1-50P-A. Battery B-Plus2.5 Battery management unit. Provide communication with external equipment. -
Page 11: General Introduction Of Bmu
5.4 General introduction of BMU BMU is battery management unit which installed in cabinet; the function is to manage the battery’s charge and discharge, select information from battery and report to inverter. Main function: ✓ CAN /RS485 communicate with inverter ✓... -
Page 12: General Introduction Of B-Plus 2.5
5.5 General introduction of B-Plus 2.5 B-Plus is the commercial name of BYD U3A1-50P-A backup battery with 51.2V& 50Ah which is designed for energy storage application. B-Plus 2.5 is an integrated battery which consist of shell, BMS and cells. ⑩... -
Page 13: Operating Environment
Display and communicate interface Interface Mark Function SOC LED Indicate State of capacity of battery RUN LED Indicate the Plus is running status ERR LED ERR ADDR Indicate error status ALM LED Alarm Indicate alarm status ... -
Page 14: B-Plus 2.5 Address Switch Introduction
5.7 B-Plus 2.5 address switch introduction After finished the battery installation, installer should setup battery address by “ADDR” switch. “ADDR” switch introduction: Function: Communicate between battery and BMU, BMU will communicate with external equipment when use CAN communication. Each DIP switch definition: There are 6 bit switches, keep the switch on down side means”0”, turn up the switch to “ON”... -
Page 15: Cleaning And Maintenance
6 Cleaning and maintenance 6.1 Cleaning CAUTION: When user needs to clean the B-BOX, please stop the system firstly. The B-BOX system is recommended to be cleaned periodically. If the enclosure is in a dirty condition, please use a soft and dry brush or a vacuum to remove the dirt. Do not use liquids such as solvents, abrasives or corrosive liquids in the enclosures. -
Page 16: 2Recharge Requirement With Over Discharge Storage
6.2.2Recharge requirement with over discharge storage When in storage, if module over discharged, the module will be damaged after several days if do not charge the module in time. Storage parameters under different storage conditions-2 Storage environment Storage time temperature ≤... -
Page 17: Box Configuration List With Different Inverter
8 B-BOX configuration list with different inverter 8.1 B-BOX configuration list with SMA sunny island-On/Off grid 1 Phase on Grid Inverter Type B-Plus 2.5 Cabinets ≥1 ≥1 SI 3.0M ≥1 ≥1 SI 4.4M ≥1 ≥1 SI 6.0H ≥1 ≥1 SI 8.0H Remark: Maximum B-Plus quantity is 32,Cabinet quantity is 8. -
Page 18: B-Box Configuration List With Goodwe Es-On/Off Grid
8.2 B-BOX configuration list with GOODWE ES-On/Off grid 1 Phase on Grid Inverter Type B-Plus 2.5 Cabinets ≥1① ≥1 3.6kW ≥1① ≥1 4.6kW 1 Phase off Grid Inverter Type B-Plus 2.5 Cabinets ≥2 ≥1 3.6kW ≥2 ≥1 4.6kW Remark: Maximum B-Plus quantity is 32,Cabinet quantity is 8. ①This configuration is only for self-consumption application 8.3 B-BOX configuration list with GOODWE BP-On/ grid 1 Phase on Grid... -
Page 19: B-Box Configuration List With Solax -On Grid
3 Phase on Grid Inverter Type B-Plus 2.5 Cabinets ≥3 ≥1 3KVA ≥3 ≥1 5KVA 3 Phase off Grid Inverter Type B-Plus 2.5 Cabinets ≥6 ≥2 3KVA ≥9 ≥2 5KVA 8.5 B-BOX configuration list with Solax -On grid 1 Phase on Grid Inverter Type B-Plus 2.5 Cabinet... - Page 20 1 Phase off Grid Inverter Type B-Plus 2.5 Cabinet ≥3 ≥1 5KVA ≥5 ≥2 8KVA ≥6 ≥2 10KVA ≥9 ≥3 15KVA 3 Phase on Grid Inverter Type B-Plus 2.5 Cabinet ≥3 ≥1 5KVA ≥4 ≥1 8KVA ≥5 ≥2 10KVA ≥6 ≥2 15KVA 3 Phase off Grid...
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Page 21: Normal Issues And Solutions
9 Normal issues and solutions 9.1 Normal alarm displayed on the SRC of SMA sunny island and the solution SMA SRC Reason Solution F221 External Alarm-Invalid Bat Type Reset battery type to "Li" on SRC. F920(XA01General) 1.AnyB-Plus2.5hasfailedto 1.Inspect whether RS485 communicate with the BMU;... -
Page 22: Normal Alarm Displayed On The App Of Goodwe And The Solution
F932(XA13CellBal) External Alarm - Cell imbalance please contact the service provider to change the battery. If not, check the system settings according guidelines. External Alarm –ExtBMS Timeout F952 1.Inspect whether communication cable been connected correctly and reliability； 2.Change BMU in cabinet； 9.2Normal alarm displayed on the APP of GOODWE and the solution APP of GOODWE Reason... -
Page 23: Normal Alarm Display On The Bmu Of B-Box And The Solution
9.4 Normal alarm display on the BMU of B-BOX and the solution LED of the BMU Reason Solution Flash 1 time Inverter and BMU 1.Inspect whether the CAN communication failure communication cable has been connected correctly and reliability； 2.Change BMU in cabinet； Flash 2 times Battery not found BMU and first battery... -
Page 24: Normal Alarm Display On B-Plus 2.5And Solution
9.5Normal alarm display on B-Plus 2.5and solution B-Plus display info Reason Solution Yellow led(Alarm) blinks Battery has powered off Press ON/OFF button abnormally; for 2-3 seconds to for 0.5Hz，other led is restart the battery, If off ; the battery cannot be resumed, contact the service provider;... - Page 25 2times Temperature sensor failure Change the battery 3times Charging circuit failure Change the battery 1) press the on/off button Discharge circuit failure press the 1S released hear 4times Change the battery short buzzer sound; Batteries failure 5times Change the battery 2) run lights stay lit, ERR by flashing lights, showing alarm code;...
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Page 26: Warranty
10 Warranty BYD provides warranty when the product is installed and used according to the description of user manual / installation manual / warranty letter. 11 Login in after service web In order to get after service in time, after installation, please login your B-BOX information in our after service operator web: For technical problems or inquiries for usage, please contact our installation company.
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