Sofar BTS E5-DS5 User Manual
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Sofar BTS E5-DS5 User Manual

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BTS E5~E20-DS5
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Copyright © Shenzhen SOFARSOLAR Co., Ltd

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Summary of Contents for Sofar BTS E5-DS5

  • Page 1 BTS E5~E20-DS5 user manual Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 2: Table Of Contents

    BTS E5~E20-DS5 user manual Table of Content Preface......................III 1. Basic Safety Information................1 1.1 Requirement for Installation and Maintenance....1 1.2 Description of safety information symbols......4 2. Product Introduction................7 2.1 Product overview................7 2.2 Product Model Description............8 2.3 Product Appearance..............10 2.4 Indicator lights description............
  • Page 3 BTS E5~E20-DS5 user manual 5.3 Battery Parameter Settings............45 5.4 Software Update................47 5.5 Battery Powered Off..............48 6. Trouble shooting and maintenance..........49 6.1 Troubleshooting................49 6.2 Daily Maintenance................ 54 6.3 Battery Module Storage Requirements and Power Supply ........................54 7.

  • Page 4: Preface

    (including software, etc.), not allow to duplication and publishment in any form and any way. All rights reserved, SOFAR reserves the right of final interpretation. This manual subject to modify according to user's or customer's feedback.
  • Page 5 Scope of Validity This product user manual describes the installation, electrical connection, debugging, maintenance and troubleshooting of BTS series intelligent battery system. The series includes the following models： BTS E5-DS5 BTS E10-DS5 BTS E15-DS5 BTS E20-DS5 Target Group This document is intended for professional electrical engineers...
  • Page 6 BTS E5~E20-DS5 user manual “Caution”indicates a hazardous situation which, if not avoided, could result in minor or moderate injury Caution “Attention”indicates there are potential risks, if fail to prevent, may lead to equipment cannot normally or property damage. Attention “Note”provides additional information and tips that are valuable for the optimal operation of the product, will help you to solve a problem or save your time.

  • Page 7: Basic Safety Information

    Before installing and maintaining the device, disconnect the device from the external device using the DC switch. Otherwise, the high voltage may cause serious injury. SOFAR will not be responsible for any personal injury or property injury caused by improper use. Installation and maintenance personnel requirements...
  • Page 8 BTS E5~E20-DS5 user manual The personnel responsible for installation and maintenance of the equipment for the first voyage must first receive strict training, understand various safety precautions and master correct operation methods. Only qualified professionals or trained personnel are allowed ...
  • Page 9 You can ask your installer or SOFAR for help is necessary. This product contains battery module through UN38.3, belongs to the ninth category of dangerous goods. Therefore, loading and unloading must comply with local laws and regulations and industry standards during transportation.

  • Page 10: Description Of Safety Information Symbols

    Warning by SOFAR. SOFAR has the right not to do warranty, not to bear joint liability. Sings on the battery module The battery module carries a number of safety related labels.
  • Page 11 BTS E5~E20-DS5 user manual Make sure to read and understand the labels carefully before installing the device. Symbols Name Explanation There is a high voltage,when the battery is powered on. After the This is a battery is powered off, residual internal capacitor still...
  • Page 12 BTS E5~E20-DS5 user manual battery internal capacitor is still charged， module! operator should wait minutes to ensure the capacitor is completely discharged. The battery module operates at high voltages. Prior to performing Caution of work product, high voltage disconnect product from and electric voltage sources.

  • Page 13: Product Introduction

    BTS E5~E20-DS5 user manual 2.Product Introduction 2.1 Product overview BTS series intelligent battery system is mainly composed of battery module and battery distribution unit. The input and output voltages are high DC voltage. The system adopts modular design and stacked installation method. The capacity can be flexibly configured based on actual requirements.

  • Page 14: Product Model Description

    BTS 5K 2.2 Product Model Description Battery module： Figure 2-2 Battery module model identifiers Table 2-2 Battery module model demonstration Identifiers Meaning Specification SOFAR BTS series battery Product series name ① module name Battery module energy 5K: Battery module ② grade energy is 5kWh Battery distribution unit：...
  • Page 15 System Unit ③ unit Battery system： Figure 2-4 Battery system model identifiers Table 2-4 Battery system model demonstration Identifiers Meaning Specification Product series SOFAR series battery ① name module name Energy grade E5: Battery total energy is ② 5.12kWh E10: Battery total energy is 10.24kWh...

  • Page 16: Product Appearance

    BTS E5~E20-DS5 user manual 2.3 Product Appearance Front surface Back surface Figure 2-5 System appearance diagram Table 2-5 System appearance definition Definition Definition Indicator light Base DC switch Black startup switch Battery distribution Heat sink unit Battery module Battery distribution unit： Front surface Left surface Right surface...
  • Page 17 BTS E5~E20-DS5 user manual Figure.2-6 Schematic diagram of battery power distribution unit ports Table 2-6 Interface definition of battery power distribution unit Definition Definition Battery distribution DC switch unit Black startup switch BDU communication output（COM-OUT） Battery input（BAT IN） Grounding hole BDU cascading Battery output （BAT Out）...

  • Page 18: Indicator Lights Description

    BTS E5~E20-DS5 user manual Output terminal B+ Communication input （Link Port In） Output terminal B- Right side handle 2.4 Indicator lights description Figure.2-8 Indicator diagram Normal status indicator light： Table 2-8. Normal status indicator light definition Status SOC light Alarm light light Shutdown...
  • Page 19 BTS E5~E20-DS5 user manual Table 2-9 SOC indicator light definition while charging SOC value SOC light 0%~5% 6%~25% Flashing 26%~50% Flashing 52%~75% Flashing 76%~95% Flashing Flashing 96%~100% Table 2-10 SOC indicator light definition while discharging SOC Value SOC light 0%~5% 6%~25% 26%~50% 52%~75%...
  • Page 20 BTS E5~E20-DS5 user manual Over voltage Flashing alarm Under Flashing voltage alarm Over current Flashing alarm Battery cell Flashing temperature differential abnormal Monomer Flashing differential pressure too large Abnormal Flashing ambient temperature Other Flashing Fault status indicator light： Table 2-12 Fault status indicator light Alarm status Statu Alar...
  • Page 21 BTS E5~E20-DS5 user manual Battery over voltage Battery voltage Battery over current Battery cell temperature differential protection Monomer differential pressure protection Ambient temperature protection Communicatio n fault Sampling fault Battery cell fault internal fault internal fault Fuse damaged Terminal connection abnormal.

  • Page 22: Product Label

    BTS E5~E20-DS5 user manual version inconsistent Other 2.5 Product label Battery distribution unit： Figure.2-9 Battery distribution unit label Battery module： Figure.2-10 Battery module label Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 23: System Capacity Expansion Description

    BTS E5~E20-DS5 user manual Note: The picture is for reference only, please refer to the actual product 2.6 System capacity expansion description The BTS series intelligent battery system supports capacity expansion. Up to four battery modules are managed by one BDU and supports up two BDU in a communication network.
  • Page 24 BTS E5~E20-DS5 user manual Figure. 2-11 Schematic diagram of system capacity expansion Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 25: Product Installation

    BTS E5~E20-DS5 user manual 3.Product Installation Announcements Do not install batteries on flammable materials. Do not install batteries in places where flammable or explosive materials are stored. Danger The enclosures and fins are very hot when battery modules is operated, so do not install battery systems where you may inadvertently come into Careful contact with them.
  • Page 26 BTS E5~E20-DS5 user manual Table 3-1 Components and mechanical parts to be delivered for battery modules Pictures Description Quantity Battery module 1pcs Protective cover 2pcs Battery power cable 2pcs Battery 1pcs communication cable Anti-tip bracket A 2pcs Side connector 2pcs Anti-tip bracket B 2pcs Ground Cable...
  • Page 27 BTS E5~E20-DS5 user manual Table 3-2 Components and mechanical parts to be delivered for BDU Pictures Description Quantity Battery distribution 1pcs unit Left protective cover 1pcs Right protective 1pcs cover Base 1pcs base protective cover 2pcs BDU parallel 1pcs communication cable BMS communication 1pcs cable...

  • Page 28: Preparation For Installation Tools

    BTS E5~E20-DS5 user manual Battery positive + input terminal metal 1pcs core Battery negative - Input terminal metal 1pcs core Anti-tip bracket A 2pcs Side connector 2pcs Anti-tip bracket B 2pcs Manual 1pcs The warranty card 1pcs Quality Certificate 1pcs 3.2 Preparation for Installation Tools Prepare tools for installation and electrical connections.
  • Page 29 BTS E5~E20-DS5 user manual Remove install Screwdriver screws and wires Remove output Removal terminal of the battery Tool module and BDU Wire stripper Used to peel cable Sleeve Install Fixed support rack Crimping Used crimp tools connector Used to coated with heat Heat gun shrinkable casing Check whether the cable...

  • Page 30: Installation Environment

    BTS E5~E20-DS5 user manual Installer wear when drill Mask holes 3.3 Installation environment Before installation, determine the proper position for installing the BTS series intelligent battery system. The following requirements must be met: Choose a dry, clean, neat and convenient location for ...

  • Page 31: Installation Space

    BTS E5~E20-DS5 user manual 3.4 Installation Space To ensure sufficient space for installation and heat dissipation, reserve enough space around the BTS series battery system. The requirements are as follows: Figure. 3-2 Installation space diagram 3.5 Battery system installation Installation dimensions diagram：...
  • Page 32 BTS E5~E20-DS5 user manual Figure. 3-3 System installation dimensions diagram Base installation Procedure： 1）Place the base against the wall and keep it 10 to 25 mm away from the wall surface. Use a level to adjust the hole position and mark the hole position with a marker. 2）...
  • Page 33 BTS E5~E20-DS5 user manual Figure. 3-4 base installation diagram Fixed installation between modules： Procedure： 1）Place the first battery module on the base. 2） Install connectors on both sides and tighten the six screws with a cross screwdriver. 3 ） Install the remaining battery modules and BDU from bottom to top.
  • Page 34 BTS E5~E20-DS5 user manual Anti-tip bracket installation： Procedure： 1）Drill holes with a hammer drill (φ 8mm, depth range 60-65 mm). Reposition and drill the holes, if the original one has a large deviation. 2）Install the anti-tip bracket B on the wall, and fasten expansion bolt.

  • Page 35: Electrical Connection

    BTS E5~E20-DS5 user manual 4.Electrical Connection This product is used for battery energy storage PV system. Equipment can be damaged if not used as intended. Only professional electrical engineers can install and maintain batteries. When making electrical connections, wear rubber gloves and protective clothing.

  • Page 36: Preparation Of Connection Cables

    BTS E5~E20-DS5 user manual 4.1 Preparation of Connection Cables Figure 4-1 System connection diagram Table 4-1 Cables prepared by customers Cable Recommended specifications Power cable connect UL10269 10AWG the BDU to inverter Grounding cable UL10269 8AWG 4.2 Electrical Connection for Internal System 4.2.1 Protection grounding cable connection Procedure：...
  • Page 37 BTS E5~E20-DS5 user manual Figure. 5-2 Grounding cable connection diagram 4.2.2 Power cables connection As shown in Figure 4-3, connect the BAT-IN power port on the BDU to the positive and negative terminals (B+ and B-) of the battery module using power cables. Connect the remaining battery modules from top to bottom in this way, and secure the cables using cable ties.
  • Page 38 BTS E5~E20-DS5 user manual Figure. 4-3 Diagram of internal power cable connection 4.2.3 Communication cable connection Procedure： Connect the Link Port on the BDU to the Link Port In Port on the battery module by using a communications cable, lock the nut clockwise to ensure reliable connections, and connect the remaining battery modules from top to bottom, and secure them with cable ties.
  • Page 39 BTS E5~E20-DS5 user manual communication failure). Figure. 4-4 Diagram of internal signal cable connection Note： For the safety of the battery system with a single cluster capacity of 20kWh, a base installation package is recommended and divided into two columns for installation. The following points should be paid attention to during electrical connection: Connect the power cable.
  • Page 40 BTS E5~E20-DS5 user manual battery module in the other column. Figure. 4-5 Battery cluster installation diagram for 20kWh Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 41: External Electrical Connection

    BTS E5~E20-DS5 user manual 4.3 External Electrical Connection 4.3.1 External Electrical Connection The following is an example of the SOFAR storage inverter HYD 5~ 20kTL-3PH： Figure. 4-6 System Connection Diagram (Australia) This is the schematic diagram of the application system where neutral line and ground line are connected together.
  • Page 42 BTS E5~E20-DS5 user manual Figure. 4-7 System Connection Diagram 4.3.2 External ground Connection of the PGND cable Step1: Crimp OT terminals When stripping the cable, do not scratch the core of the cable. The grounding cable must be prepared by yourself. the grounding cable must be 8AWG and meet the requirements for outdoor use.
  • Page 43 BTS E5~E20-DS5 user manual crimping complies with UL486A UL310 standards. Diagram of Crimping OT terminals Figure. 4-8 Step 2: As shown in Figure 4-8, install a protection ground cable at the ground terminal on the right of the BDU and connect it to the external ground protection point.
  • Page 44 BTS E5~E20-DS5 user manual Figure. 4-9 Installation diagram of the protection ground cable 4.3.3 DC power cable installation Procedure： Select proper cable types and specifications based on Table 4-1. Remove cable connectors from positive and negative connectors. (It is suggested to use different colors to distinguish positive and negative poles).
  • Page 45 BTS E5~E20-DS5 user manual the locking nut and are inserted into the corresponding plastic shell respectively until a clicking sound is heard, indicating that the metal core is clamped into place. Tighten the locking nut. Figure. 4-10 Assembly diagram of battery DC terminal connector To remove the BAT positive and negative connectors from the battery module or battery power distribution unit, insert the BAT positive and negative connectors into the bayonet as shown in...
  • Page 46 BTS E5~E20-DS5 user manual distribution unit, and connect the other end to the inverter side. Ensure that the connection is secure. Notice during installation： It is not recommended to use armored cables for dc  input cables to avoid cable breakage. Before assembling the DC connector, ensure that the ...
  • Page 47 BTS E5~E20-DS5 user manual 4.3.4 BMS communication cable installation Install the communication cable delivered with the accessories to the COM-OUT port of the battery distribution box, and connect the other end to the BMS communication ports CAN-H and CAN-L of the inverter respectively according to the label definition.

  • Page 48: Battery Parallel Installation

    BTS E5~E20-DS5 user manual PIN3 Green White PIN4 Blue CAN-H PIN5 Blue White CAN-L PIN6 Green PIN7 Brown White PIN8 Brown 4.4 Battery parallel installation The BTS series battery supports expansion up to two battery clusters. Power cables are connected to the inverter through the BDU, as shown in Figure 4-15.
  • Page 49 BTS E5~E20-DS5 user manual To power OFF the battery system, set the switch of the battery distribution unit to OFF, turn OFF the indicator of the battery black start switch, and all the LED indicator of the battery distribution unit is OFF. To power OFF the system for five minutes, ensure that the remaining battery charges are discharged.

  • Page 50: Install The Protective Cover

    BTS E5~E20-DS5 user manual BUSSMAN FWP-40A14Fa 750Vdc Rated Current：40A Package FRB-C14-63A Dimensions ：51*14.3mm 4.6 Install the protective cover After electrical connections are complete and cable connections are correct and reliable, install the external protective cover. Procedure： nstall protective covers on both sides of the base. Install protective covers on both sides of the battery module or BDU.

  • Page 51: Commissioning

    Observe the LED indicator on the BDU to check the running status. 5.3 Battery Parameter Settings If the system uses SOFAR HYD series inverter, the battery parameters can be set as follows:： Procedure： Battery Parameter Settings...
  • Page 52 BTS E5~E20-DS5 user manual Battery type settings： Battery Battery1 Advanced Enter 1.Battery type 7.BTS parameter setup 0715 Battery2 Discharge Depth Set the mandatory full - charge time Set discharge depth: Set the following parameters as required： ①Discharge depth： ② EPS discharge depth： ③EPS restore the discharge Set the mandatory full - charge time（The time difference is no less than 3 hours）...

  • Page 53: Software Update

    Set the DC switch of the battery distribution unit to "ON state", press the black start switch, and the energy storage inverter and battery start up and run. Perform the following operations on the LCD of SOFAR HYD series energy storage inverter： 6.Softwar...

  • Page 54: Battery Powered Off

    BTS E5~E20-DS5 user manual 4.BDU Updating Update If the following error occurs, upgrade again. If this situation persists for several times, contact technical support for help. USB error BDU file error PCU file error BMS file error ARM file error Upgrading Upgrading Upgrading...

  • Page 55: Trouble Shooting And Maintenance

    If the SOFAR HYD series hybrid energy storage inverter is used, you can view the recorded fault information by following the following steps: Press "Back" on the home screen to enter the main menu, select "Event List"...
  • Page 56 BTS E5~E20-DS5 user manual Lithium battery 3 communication is faulty Lithium battery 4 communication is faulty BMS over voltage alarm BMS under voltage The lithium battery is faulty. alarm Shut down the inverter and BMS high temperature lithium battery. Wait for 5 alarm minutes start...
  • Page 57 BTS E5~E20-DS5 user manual temperature alarm battery is installed in a cool well-ventilated place. If The Ambient high battery is installed correctly, temperature alarm c ontact please technical support . If the battery is almost Charging prohibition fully, no action is required. alarm Otherwise, please contact technical support .
  • Page 58 BTS E5~E20-DS5 user manual Permanent bus overvoltage Permanent battery undervoltage Restart the battery and wait Permanent Instant for minutes. If the problem overcurrent resolved, please contact technical support. Permanent hardware overcurrent Permanent battery activation failed Check whether the wiring is correct and restart the Permanent bus reverse battery.
  • Page 59 BTS E5~E20-DS5 user manual not resolved, please contact technical support. Check whether the wiring is correct and restart the Battery reversal battery. If the problem is resolved, please contact technical support. Restart the battery. If the problem is not resolved or Fusing failure occurs frequently, please contact technical support.

  • Page 60: Daily Maintenance

    BTS E5~E20-DS5 user manual 6.2 Daily Maintenance After the battery is powered off for 5 minutes, ensure that the capacitor inside the battery is discharged before maintenance. Attention Batteries usually do not require maintenance or calibration, but ensure that the radiator is not covered with dust, dirt, etc. Clean the battery module Please clean the battery module with an air blower, a dry &...
  • Page 61 BTS E5~E20-DS5 user manual If the battery module is stored for a long time, replenish  the power supply periodically. Battery module power supply requirements: the charging current is less than or equal to 7A, and the battery module needs to be charged to 50%SOC.

  • Page 62: Technical Parameters

    BTS E5~E20-DS5 user manual 7.Technical Parameters Technical parameters System Parameters Model E5-DS5 E10-DS5 E15-DS5 E20-DS5 System schematic Battery type Battery distribution unit BTS 5K-BDU Qty.of battery distribution unit Battery module BTS 5K Qty.of battery modules Battery total energy[1] 5.12kWh 10.24kWh 15.36kWh 20.48kWh Usable Energy[2]...
  • Page 63 BTS E5~E20-DS5 user manual humidity range Max. operating altitude[4] 4000m Weight 59kg 110kg 161kg 212kg 708*170*900m 708*170*15 708*170*680 708*170*1100 Dimension(W*D*H) 708*170*1100 Installation Floor stand Cooling Natural Display LED indicator Communication Compatible inverters Refer to BTS E5~20-DS5 configuration list Battery Module Model BTS 5K Battery module energy[1]...

  • Page 64: Manufacturer's Warranty And Liability Terms

    Liability Terms Warranty period Warranty period and calculation method of SOFAR battery products refer to the Quality Assurance Agreement of SOFAR BTS Series Intelligent lithium battery System. Extended warranty period If the purchased battery exceeds the warranty period stipulated...
  • Page 65 Invalid warranty clause Equipment failure caused by the following reasons is not covered by the warranty: 1) The "warranty card" has not been sent to the distributor or Shenzhen SOFARSOLAR Co., LTD; 2) Without the consent of Shenzhen SOFARSOLAR Co., LTD change equipment or replace parts;...

This manual is also suitable for:

Bts e10-ds5Bts e15-ds5Bts e20-ds5

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