BYD B-BOX 2.5 User Manual
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- Installation guidance (43 pages) ,
- Installation manual (38 pages) ,
- Installation guidance (24 pages)
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B-Box Professional user manual
B-Box Pro 2.5~10.0
User Manual
20170323
Version: 2.2
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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Summary of Contents for BYD B-BOX 2.5
- Page 1 20170323 Version: 2.2 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 General Information ......................... 4 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 ...................... -
Page 4: General Information
Users can contact with the after service center if had any abnormal failure or urgent occurs. 1.2 Target Group This user manual is applied for the B-BOX 2.5, B-BOX 5.0, B-BOX 7.5, and B-BOX 10.0. 1.3 Intend usage The B-BOX can be used in household energy storage application, includes on/off-grid system. When B-BOX works with different inverter, user should refer to the configuration list with the approved inverters brands which are suggested by BYD. -
Page 5: Safety
Users are 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 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 Pro 2.5 B-Box Pro 5.0 B-Box Pro 7.5 B-Box Pro 10.0 Battery Type Lithium Iron phosphate battery Battery module B-Plus2.5 Nominal Battery Energy 2.56 5.12 7.68 10.24 Output power(KW) Max 2.5 Max 5.0 Max 7.5 Max 10.0 Usable battery energy(KWh)(0.2C 2.45 4.90... -
Page 8: Technical Noun Explanation
4 Technical noun explanation Terms comment Discharge Battery output power for load Charge Battery power supply(such as DC charger) Full charged Battery had been full charged, SOC is 100%. Battery is on status of neither charge nor discharge and had not full Idle charged. -
Page 9: Product Overview
B-Box is the short name of battery box, the energy storage part in the electric power system i s household, and 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
The Cabinet is used to install the B-Plus 2.5 inside and Cabinet B-Box provide DC output(Each cabinet can install max 4pcs Cabinet 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. Table 1 configuration list... -
Page 11: B-Box System Diagram
5.3 B-BOX System diagram System diagram 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: ✓... -
Page 12: General Introduction Of B-Plus 2.5
5.5 General introduction of B-Plus 2.5 5.5.1 B-Plus 2.5 brief introduction 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 consists of shell, BMS and cells. -
Page 13: B-Plus 2.5 Address Switch Introduction
Operating environment Table 5Operatingenvironment parameters Requirement Item Unit Remark Min. Typical Max. Discharging ℃ temperature ℃ Charging temperature Humidity non-condensing Elevation 2000 IP level 5.7 B-Plus 2.5 address switch introduction After finished the battery installation, installer should setup battery address by “ADDR” switch. “ADDR”... -
Page 14: 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 15: Dispose Special Situation
7 Dispose special situation 7.1 Battery over discharged maintenance When battery over discharge which may cause by black out, continuously rainy day, etc, the battery can provide limited energy, user should pay attention to the backup time of the battery. 7.2 Force Majeure Catastrophic accidents, including lightning, floods, earthquakes, fires and other disasters, can bring unpredictable damage to the whole system. -
Page 16: B-Box Configuration List With Goodwe Es-On/Off Grid
≥8 ≥2 SI 4.4M ≥12 ≥3 SI 6.0H ≥12 ≥3 SI 8.0H Remark: Maximum B-Plus quantity is 32,Cabinet quantity is 8. 8.2 B-BOX configuration list with GOODWE ES-On/Off grid 1 Phase on Grid Inverter Type B-Plus 2.5 Cabinets ≥1 ≥1 4.6kW 1 Phase off Grid Inverter Type... -
Page 17: B-Box Configuration List With Solax -On Grid
1 Phase off Grid Inverter Type B-Plus 2.5 Cabinets ≥3 ≥1 3KVA ≥5 ≥2 5KVA 3 Phase on Grid Inverter Type B-Plus 2.5 Cabinets ≥3 ≥1 3KVA ≥4 ≥1 5KVA 3 Phase off Grid Inverter Type B-Plus 2.5 Cabinets ≥8 ≥2 3KVA ≥12... -
Page 18: Normal Issues And Solutions
9 Normal issues and solutions 9.1 Normal alarm and solution display on SMA sunny island SRC SMA SRC Reason Solution F221 External Alarm-Invalid Bat Type Reset battery type to "Li" on SRC. F920(XA01General) 1.All the batteries are failed to 1.Inspect whether the RS485 communicate communicate at the same time;... -
Page 19: Normal Alarm And Solution Display On B-Plus 2.5
W944(XW09DcHiChgCur) External Warning - Battery High Current Normal alarm and do not need to deal with; Charge External Warning –Ext BMS Timeout W953 1.Check the CAN communication, to make sure connect well. 2.Change BMU. 9.2 Normal alarm and solution display on B-Plus 2.5 B-Plus display info Reason Solution... -
Page 20: 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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