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V-TAC ESS Series Instruction Manual

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Thank you for selecting and buying V-TAC Product. V-TAC will serve you
the best. Please read these instructions carefully & keep this user manual
handy for future reference. If you have any another query, please contact
our dealer or local vendor from whom you have purchased the product.
They are trained and ready to serve you at the best.
IN CASE OF ANY QUERY/ISSUE WITH THE PRODUCT, PLEASE REACH OUT TO US AT: SUPPORT@V-TAC.EU
FOR MORE PRODUCTS RANGE, INQUIRY PLEASE CONTACT OUR DISTRIBUTOR OR NEAREST
DEALERS. V-TAC EUROPE LTD. BULGARIA, PLOVDIV 4000, BUL.L.KARAVELOW 9B
INSTRUCTION MANUAL
ESS SERIES BATTERY PACK
INTRODUCTION
Multi-Language Manual QR CODE
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in multiple languages.
5
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WARRANTY

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Summary of Contents for V-TAC ESS Series

  • Page 1 Please scan the QR code to access the manual in multiple languages. IN CASE OF ANY QUERY/ISSUE WITH THE PRODUCT, PLEASE REACH OUT TO US AT: SUPPORT@V-TAC.EU FOR MORE PRODUCTS RANGE, INQUIRY PLEASE CONTACT OUR DISTRIBUTOR OR NEAREST DEALERS. V-TAC EUROPE LTD. BULGARIA, PLOVDIV 4000, BUL.L.KARAVELOW 9B...
  • Page 2 1. Overview 1. Overview Overview This operation manual mainly introduces the VT48100E ESS series product introduction, application description, installation instructions, power-on instructions, maintenance instructions and provides instructions for technical support engineers, maintenance engineers and users. Reader This document is mainly applicable to the following engineers.

  • Page 3: Safety Precautions

    2 Safety 2.1 Safety Precautions Before carrying out battery work, you must read carefully the safety precautions and master the correct installation and connection methods of the battery. Prohibit to turn it upside down, tilt, or collide. Prohibit to short-circuit the positive and negative poles of the battery, otherwise it will cause the battery to be damaged.

  • Page 4: Product Description

    3 Overview 3.1 Product Description The VT48100E ESS series products use lithium iron phosphate (LFP) as the positive electrode material. It can be widely used in energy storage systems such as residential energy storage, back-up power, and PV self-consumption optimization.

  • Page 5: Application Scenario

    3 Overview • Parallel connection application Support multiple battery packs in parallel, RS485/CAN communication supports up to 6 groups without control unit (or max supports 15 groups with control unit). • Balance function Support the cells balance function. • Extended function Extended SNMP, LCD, anti-theft.
  • Page 6 4 Application Description 4.1 Parallel Connection Application The battery packs support parallel connection, and synchronously increases the backup time or backup power. Confirm the consistency between the battery packs, check the SOC and voltage and turn off the batteries before connecting them in parallel. Multiple battery packs of parallel connection need to use RS485/CAN to communicate, pay attention to the DIP switch settings.

  • Page 7: Application Description

    4 Application Description The following conditions may cause the battery pack to be stored in a discharged state: After the utility power failure, the line/fault cannot be eliminated in time, and the power supply cannot be restored for a long time. After the installation and commissioning work is completed, the utility power is turned off directly, but the battery pack is not powered off, which will cause the battery to enter the low power consumption mode.
  • Page 8 5 Product Introduction 5.1 Product Appearance Figure 5-1 Appearance Drawing NOTE The battery packs show as above is standard product. At the same time, supplier can also provide customized products according to customer's requirements. With process improvements and product upgrades, the product characteristics described are subject to change without notice.
  • Page 9 5 Product Introduction 5.2 Panel Introduction 5.2.1 Panel Function Figure 5-2 VT48100E Front Panel NOTE VT48100E ESS series panel functions take VT48100E as an example. The interface definition as below table： Table 5-1 Operation Panel Interface Definition Name Description Remark...

  • Page 10: Indicator Description

    5 Product Introduction NOTE The position or terminal block of the above-mentioned panel interfaces is different for different VT48100E ESS series products. Please refer to the corresponding product datasheet. 5.2.2 Indicator Description There are 6 indicators on the operation panel, divided into three categories: 4 green SOC Indicators, 1 red alarm Indicator and 1 green run indicator.
  • Page 11 5 Product Introduction The corresponding relationship between battery operation status and indicator operation status is shown in the following table. Table 5-4 Battery Status and Indicator Operation Mode Battery Normal/ SOC Indicators Description Status Abnormal ● ● ● ● ● ●...
  • Page 12 5 Product Introduction The relationship between DIP address and BMS address as below： Table 5-5 Correspondence between BMS and DIP switch DIP 1 DIP 2 DIP 3 DIP 4 BMS Address BMS Address...

  • Page 13: Installation

    6 Installation 5.2.4 Communication Port Definition RJ 45 definition as below： Table 5-6 RJ 45 Definition RJ 45Photo Description 1/2/3 RS485_A CAN _L CAN_H RS485_B NOTE The above is the definition of conventional communication, if you have special needs, please contact supplier or an authorized dealer.

  • Page 14: Tools Preparation

    6 Installation 6.1 Tools Preparation ATTENTION Use insulated tools to avoid electric shock. If you use tools without insulation protection, you need to wrap the exposed metal parts with insulation tape for insulation treatment. The following table describes the tools and meters that may be used before installation.
  • Page 15 ATTENTION The battery is heavy, if possible, please use tools to assist in handling. NOTE Package contains VT48100E ESS series batteries, operation manual and accessories. If the battery is found to be damaged or leakage, please do not proceed to the next installation, and contact supplier or an authorized dealer in time.
  • Page 16 6 Installation Figure 6-1 Install Battery Pack Figure 6-2 Battery Pack Ground 6.4 Cable Connection 6.4.1 Power Cable Connection Use the negative power cable to connect the negative bus bar with the battery negative (‘-’) terminal, and use the positive power cable to connect the positive bus bar with the battery positive (‘+’) terminal.

  • Page 17: Communication Cable Connection

    6 Installation If the battery total input/output current more than 100A in parallel, the wiring method should configure bus-bars to connect the power cables. Power out+ Power out- Figure 6-4 Connect the Battery Pack Power Cable to Bus-bars 6.4.2 Communication Cable Connection Use the communication cable to connect the battery packs in series through the RS485/CAN communication port, and connect the battery packs at the end to the external device BMS port.
  • Page 18 6 Installation 6.4.3 120Ω Resistor Connection To ensure stable CAN communication with the external device/Inverter when batteries are used in parallel, please take out a 120Ω resistor from the ‘Battery Kit’ and insert it into the RJ45 port of the battery that communicates farthest with the external device/Inverter.

  • Page 19: Power-On Operation

    7 Power On 7.1 Power-on Operation 1 Power on the charger/inverter at the user terminal. 2 Set the lithium battery MCB/Switch to ON (if available). 3 Observe Run/Alarm indicator and judge the battery operating status. If the RUN indicator of the battery is on and the ALARM indicator is off, indicating that the battery is working normally.
  • Page 20 Batteries will continue charge/discharge until BMS protection if there is Lead-acid mode between battery and charger / Inverter. After VT48100E ESS series batteries goes into the sleeping status, please turn on the Battery MCB/Switch again or press the reset button.

  • Page 21: Routine Maintenance

    8 Shipment & Maintenance & Storage 8.2.2 Routine Maintenance The staff should perform visual inspection on VT48100E ESS series battery according to the inspection plan, please refer to the following table for maintenance. Table 8-1 Routine Maintenance (Every three-month） Items...

  • Page 22: Battery Storage

    8 Shipment & Maintenance & Storage 8.3 Battery Storage The recommended storage temperature is 15℃~35℃. Battery performance degradation after long-term storage, please shorten shelf time as possible as you can. Recharge charge before using to recover capacity loss of self-discharge during storage and transport.

  • Page 23: Troubleshooting

    9 Trouble Shooting Please refer to the table below to deal with common faults： Table 9-1 FAQ Phenomenon Possible cause Solution The power cable of the battery Reconnect the power cable of the battery pack is not properly connected. pack. The indicator The power switch is off.

  • Page 24: Warranty

    10 Warranty Except for the following and the conditions specified in the contract, you can go to supplier and authorized dealers for reasonable warranty and maintenance. 1 Failure of equipment caused by unauthorized disassembly and maintenance operations without the authorization of supplier and authorized dealers is not within the scope of the warranty.
  • Page 25 11 Abbreviations Battery Management System Depth Height Liquid Crystal Display LiFePO4 MOSFET Metal-Oxide-Semiconductor Field-Effect Transistor Negative Temperature Coefficient Personal Computer Printed Circuit Board Power Conversion System Remote Terminal Unit State of Charge Width...

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