Sofar solar BTS Series User Manual
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Sofar solar BTS Series User Manual

Intelligent batteries system
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BTS Series Usual Manual
Intelligent Batteries System
Product Model: BTS E5~E20-DS5
S h e n z h e n S O FA R S O L A R C o . , L t d .

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Summary of Contents for Sofar solar BTS Series

  • Page 1 BTS Series Usual Manual Intelligent Batteries System Product Model: BTS E5~E20-DS5 S h e n z h e n S O FA R S O L A R C o . , L t d .

  • Page 2: Table Of Contents

    BTS E5~20-DS5 user manual V1.0 Contents 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 ..................6 2.1. Product overview ................6 2.2. Product Model Description ..............7 2.3.
  • Page 3 BTS E5~20-DS5 user manual V1.0 5.5. Battery Powered Off ...............46 6. Trouble shooting and maintenance ............47 6.1. Troubleshooting ................47 6.2. Daily Maintenance ................49 6.3. Battery Module Storage Requirements and Power Supply ..50 7. Technical Parameters ..................52 8.

  • Page 4: Preface

    BTS E5~20-DS5 user manualV1.1 Preface Notice The purchased products, services and features are governed by the commercial contract made by the Company. All or part of the products and features described in this document may not be within the purchase scope.
  • Page 5 Symbols Used In order to ensure the personal and property safety of users when using BTS series intelligent battery system, as well as the efficient use of this product, the manual provides relevant safe operation information and highlights it with corresponding symbols. These stressed messages must be fully understood and absolutely adhered to avoid personal injury and property damage.
  • Page 6 BTS E5~20-DS5 user manualV1.1 Attention property damage. “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. Note Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 7: Basic Safety Information

    SOFARSOLAR CO., Ltd. Note 1.1. Requirement for Installation and Maintenance The installation of BTS series intelligent battery system must be in full compliance with national and local laws and regulations. Read and understand all instructions contained in this manual and...
  • Page 8 BTS E5~20-DS5 user manualV1.1 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 to ...
  • Page 9 BTS E5~20-DS5 user manualV1.1 on the edge and ensure that it is placed vertically. A suitable place for installation of electrical equipment should be selected to ensure sufficient space for fire escape for maintenance in case of failure. Maintain proper ventilation to ensure adequate air circulation for cooling, and air humidity is recommended to be less than <90% during assembly.

  • Page 10: Description Of Safety Information Symbols

    BTS E5~20-DS5 user manualV1.1 corresponding national transport regulatory authorities. 1.2. Description of safety information symbols High voltage of battery may be harmful to health! Only certified engineer can operate the product; Juveniles, Disable, should not use this product; Danger Keep this product out of the reach of children; Caution of burn injuries due to hot enclosure! Only touch the screen and pressing key of the product while it is working...
  • Page 11 BTS E5~20-DS5 user manualV1.1 product from voltage sources. All work on the product must be carried out by qualified persons only. The battery module can get hot Caution of hot during operation. Avoid contact surface during operation. Grounding Connect the battery module to the Terminal ground bar for grounding protection Observe the...

  • Page 12: Product Introduction

    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 13: Product Model Description

    BTS E5~20-DS5 user manualV1.1 Figure.2-1 BTS series application principle diagram 2.2. Product Model Description Battery module： Identifiers Meaning Specification SOFARSOLAR BTS series Product series name ① battery module name Battery module energy 5K: Battery module energy is ② grade 5kWh...
  • Page 14 System Unit BDU: Battery distribution unit ③ Battery system： Identifiers Meaning Specification Product series SOFARSOLAR BTS series battery ① name module name Energy grade E5: Battery total energy is 5kWh ② E10: Battery total energy is 10kWh E15: Battery total energy is 15kWh...

  • Page 15: Product Appearance

    BTS E5~20-DS5 user manualV1.1 2.3. Product Appearance Front surface Back surface Figure .2-2 System appearance 1 Indicator light 2 DC switch 3 Battery distribution unit 4 Battery module 5 Base 6 Black startup switch 7 Heat sink Battery distribution unit： Front surface Left surface Right surface...

  • Page 16: Indicator Lights Description

    BTS E5~20-DS5 user manualV1.1 Battery module port： Front surface Front surface Left surface Right surface Figure.2-4 Battery module port diagram 1 Battery module 2 Left side handle 3 Output terminal B+ 4 Output terminal B- 5 Grounding hole 6 Communication output （ Link Port Out ） 7 Communication input（Link Port In）...
  • Page 17 BTS E5~20-DS5 user manualV1.1 Standby Green Display according to the battery SOC light value flashing Updating Blue light flashing Charge Blue light ON Discharge Green light ON SOC Indicator light definition： Table 2-2. SOC indicator light definition while charging SOC value SOC light 0%~5% 6%~25%...
  • Page 18 BTS E5~20-DS5 user manualV1.1 96%~100% Alarm status indicator： Alarm Status Alarm SOC light status light light High Flashing temperature alarm Flashing temperature alarm Over Flashing voltage alarm Under Flashing voltage alarm Over Flashing current alarm Battery cell Flashing temperature differential abnormal Monomer Flashing...
  • Page 19 BTS E5~20-DS5 user manualV1.1 Other Flashing Fault status indicator light： Alarm status Statu Alarm SOC light s light light High temperature fault Low temperature fault Battery over voltage Battery voltage Battery over current Battery cell temperature differential protection Monomer differential pressure protection Ambient...

  • Page 20: Product Label

    BTS E5~20-DS5 user manualV1.1 PCU internal fault Fuse damaged Terminal connection abnormal. Software version is inconsistent Other 2.5. Product label Battery distribution unit： Figure.2-6 Battery distribution unit label Battery module： Figure.2-7 Battery module label Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 21: System Capacity Expansion Description

    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. Each BDU has independent output.

  • Page 22: Product Installation

    BTS E5~20-DS5 user manualV1.1 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 contact with Careful them.
  • Page 23 BTS E5~20-DS5 user manualV1.1 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 communication 1pcs cable Anti-tip bracket A 2pcs Side connector 2pcs Anti-tip bracket B 2pcs Ground Cable...
  • Page 24 BTS E5~20-DS5 user manualV1.1 Table 3-2 Components and mechanical parts to be delivered for BDU Pictures Description Quantity Battery distribution unit 1pcs Left protective cover 1pcs Right protective cover 1pcs Base 1pcs base protective cover 2pcs BDU parallel 1pcs communication cable BMS communication 1pcs cable...

  • Page 25: Preparation For Installation Tools

    BTS E5~20-DS5 user manualV1.1 Battery positive + input 1pcs terminal metal core Battery negative - Input 1pcs terminal metal 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.
  • Page 26 BTS E5~20-DS5 user manualV1.1 Wire stripper Used to peel cable Sleeve Install Fixed support rack Crimping tools Used to crimp OT connector Used to coated with heat Heat gun shrinkable casing Check whether the cable connection is correct, the positive negative Multi meter terminals of the battery are...

  • Page 27: Installation Environment

    BTS E5~20-DS5 user manualV1.1 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 installation.  Machine ambient temperature: -10℃~45℃; ...

  • Page 28: Installation Space

    BTS E5~20-DS5 user manualV1.1 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 Copyright © Shenzhen SOFARSOLAR Co., Ltd...
  • Page 29 BTS E5~20-DS5 user manualV1.1 Installation dimensions diagram： 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.
  • Page 30 BTS E5~20-DS5 user manualV1.1 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. (Before installing the next module, ensure that the screws on the side connectors of the previous module are firmly installed.) Copyright ©...
  • Page 31 BTS E5~20-DS5 user manualV1.1 Figure. 3-5 Battery module installation diagram 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. 3）Adjust the anti-tip bracket A, make sure the holes are matched between anti-tip bracket A and anti-tip bracket B.
  • Page 32 BTS E5~20-DS5 user manualV1.1 Figure. 3-6 Schematic diagram of wall fixing installation Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 33: Electrical Connection

    BTS E5~20-DS5 user manualV1.1 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 34: Preparation Of Connection Cables

    BTS E5~20-DS5 user manualV1.1 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 35 BTS E5~20-DS5 user manualV1.1 Figure. 4-2 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.
  • Page 36 BTS E5~20-DS5 user manualV1.1 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 37 BTS E5~20-DS5 user manualV1.1 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 38 BTS E5~20-DS5 user manualV1.1 Figure. 4-5 Battery cluster installation diagram for 20kWh Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 39: External Electrical Connection

    BTS E5~20-DS5 user manualV1.1 4.3. External Electrical Connection 4.3.1 External Electrical Connection The following is an example of the SOFARSOLAR 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 40 BTS E5~20-DS5 user manualV1.1 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. grounding cable must...
  • Page 41 BTS E5~20-DS5 user manualV1.1 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 42 BTS E5~20-DS5 user manualV1.1 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 43 BTS E5~20-DS5 user manualV1.1 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 figure 4-11 and press...
  • Page 44 BTS E5~20-DS5 user manualV1.1 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 polarity of  the cable is correct and label the positive and negative cables After crimping the positive and negative metal terminals, pull ...
  • Page 45 BTS E5~20-DS5 user manualV1.1 Figure. 4-13 BMS diagram of communication connection cable installation The COM-OUT port pins of the battery distribution unit(BDU) are defined as follows： Figure. 4-14 COM-OUT port pin definition for battery distribution box Table 4-2 Communication cable pin definition Wire color Definition PIN1...

  • Page 46: Battery Parallel Installation

    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. The battery cluster connected to the inverter is a slave, and the other cluster is a master.

  • Page 47: Install The Protective Cover

    BTS E5~20-DS5 user manualV1.1 Figure. 4-16 Diagram of removing fuse outer cover Open the fuse box backward, take out the damaged fuse, place a new fuse in the fuse slot, and close the fuse box until you hear a clicking sound, indicating that the fuse box is installed in place. Figure.
  • Page 48 BTS E5~20-DS5 user manualV1.1 Procedure： nstall protective covers on both sides of the base. Install protective covers on both sides of the battery module or BDU. Tighten the protective cover with screws. Figure. 4-18 Diagram of installing protective cover Copyright © Shenzhen SOFARSOLAR Co., Ltd...

  • Page 49: Commissioning

    BTS E5~20-DS5 user manualV1.1 5. Commissioning 5.1. Double Check Please double check the following items before running： Battery module, BDU and the base should be completely fixed.  Each BAT+/BAT- line is firmly connected, the polarity is correct, and  the voltage is in line with the accessible range.
  • Page 50 BTS E5~20-DS5 user manualV1.1 Battery type settings： Advance Enter Enter Battery Batter 1.Battery 7.BT d setup password 0715 parameter type S 5K Batter 2. Dischar ge Depth 3. Set the mandatory full charge time Set discharge depth: Set the following parameters as required： ①Discharge depth：②...

  • Page 51: Software Update

    BTS E5~20-DS5 user manualV1.1 quantity with the actual quantity. The automatic configuration takes about 2 to 3 minutes.  During the automatic address configuration, the corresponding  PCU output is enabled or disabled. If the batteries quantity is incorrect, check the communications cable connection. 5.4.

  • Page 52: Battery Powered Off

    BTS E5~20-DS5 user manualV1.1 6.Software Enter Enter 1.PCS Updating Start Updating Update Password 0715 2.BMS Update Updating BMS 3.PCU Update Updating PCU 4.BDU Update Updating BDU 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...

  • Page 53: Trouble Shooting And Maintenance

    BTS E5~20-DS5 user manualV1.1 6. Trouble shooting and main tenance 6.1. Troubleshooting This section describes the potential errors for this product. Please read carefully for the following tips when doing the troubleshooting: For details about the warning or error information displayed on the BDU status indicator, see 2.4 Description of Battery Status Indicators.
  • Page 54 BTS E5~20-DS5 user manualV1.1 communication is faulty BMS over voltage alarm The lithium battery is faulty. BMS under voltage alarm Shut down the inverter and lithium battery. Wait for 5 BMS high temperature minutes start alarm inverter and lithium battery. BMS low temperature alarm Check whether the fault is BMS over current alarm...

  • Page 55: Daily Maintenance

    BTS E5~20-DS5 user manualV1.1 perform the following steps to check whether the current installation status meets the battery operating requirements: Is the battery installed in a clean, dry, well-ventilated  location？ Check whether the battery DC switch is off？  Check whether the cable section and length meet ...

  • Page 56: Battery Module Storage Requirements And Power Supply

    BTS E5~20-DS5 user manualV1.1 detergents to clean the radiator. 6.3. Battery Module Storage Requirements and Power Supply Battery Module Storage Requirements： Environment temperature： -10℃~45℃， Recommended storage  temperature：25℃~35℃. Storage relative humidity range：5%~70%.  Store in a dry, clean, and ventilated environment, away from ...
  • Page 57 BTS E5~20-DS5 user manualV1.1 ＞ 45℃ Prohibit Recharge Requirements When Over Discharged Recharge the battery within the time range specified in the following table (90%DOD). Otherwise, the over discharged battery module will be damaged. Recharge conditions when battery is over discharged Storage Environment Storage Time Note...

  • Page 58: Technical Parameters

    BTS E5~20-DS5 user manualV1.1 7. Technical Parameters Technical parameters System Parameters Model BTS E20-DS5 E5-DS5 E10-DS5 E15-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...
  • Page 59 BTS E5~20-DS5 user manualV1.1 Weight 59kg 110kg 161kg 212kg 708*170*900mm 708*170*680 708*170*1100 708*170*1520 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] 5.12kWh Depth of discharge (DOD) 90.0%...

  • Page 60: Manufacturer's Warranty And Liability Terms

    Warranty Agreement of SOFARSOLAR BTS Series Intelligent lithium battery System, the original buyer shall bear different extended premiums. Upon purchase of the extended warranty service, our company will issue an extended warranty card to the customer to confirm the extended warranty period.
  • Page 61 BTS E5~20-DS5 user manualV1.1 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 to change equipment or replace parts;...
  • Page 62 Intelligent Batteries System ADD: 11/F., Gaoxinqi Technology Building, No.67 Area, Xingdong Community, Xin’an Sub-district, Bao’an District, Shenzhen City,China Email: service@sofarsolar.com Web: www.sofarsolar.com...

This manual is also suitable for:

Bts e5-ds5Bts e10-ds5Bts e15-ds5Btse20-ds5

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