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V-TAC ESS Series Instruction Manual

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DEALERS. V-TAC EUROPE LTD. BULGARIA, PLOVDIV 4000, BUL.L.KARAVELOW 9B
INSTRUCTION MANUAL
ESS SERIES BATTERY PACK
INTRODUCTION
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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: About This Document

    About This Document Intended Audience This document is intended for: Hardware installation engineers Technical support engineers Maintenance engineers Users Symbol Conventions The symbols that may be found in this document are defined as follows. Symbol Definition Remarks Indicates a hazard with a high level of risk which, if not avoided, will Danger result in death or serious injury.

  • Page 3: Product Application

    2 Overview 2.1 Product Application RESS is a next-generation product developed by V-TAC, which is used in residential energy storage solut ions. This battery system has a capacity of 19.2 kWh or 20.48 kWh. RESS integrates the high-performance BMS. To extend battery life, it has multiple protection functions such as system over-charge, system over-discharge, cell over-voltage, cell under-voltage, charging over- current, discharging over-current, and insulation fault.

  • Page 4: Components Introduction

    3 Components Introduction 3.1 Battery Cabinet The appearance of the battery cabinet is shown as follows. Figure 2. Battery cabinet appearance The battery cabinet dimensions are shown as follows: Figure 3. Battery cabinet dimensions (unit: mm)

  • Page 5: Battery System

    3.2 Battery System The battery system specifications are as follows. Table 1. Battery system specifications Items Parameter Remark VEH192100C: 192 V Rated voltage VEH204100C: 204.8 V Rated capacity 100 Ah VEH192100C: 19.2 kWh Rated energy VEH204100C: 20.48 kWh System efficiency Watt-hour efficiency Communication type CAN、RS485、DO/DI...
  • Page 6 Items Parameter Remark Humidity 5%-95% RH, no condense System over-voltage and system under-voltage, cell over-voltage and cell under voltage, charging over- current and discharging over-current, charging high Protection temperature and charging low temperature, discharging high temperature and discharging low temperature, short circuit protection, insulation faulty protection Dimensions (W×H×D) 640 mm×1280 mm×350 mm...

  • Page 7: Technical Specifications

    3.2.1.2 Technical Specifications Lithium-ion cell main technical specifications are shown as follows. Table 2. Lithium-ion cell main technical specifications Items Specification Battery type Lithium iron phosphate Model LF100MA Rated voltage 3.2 V Rated capacity 100 Ah Rated energy 0.32 kWh Max continuous charge current 100 A Max continuous discharge current...

  • Page 8: Operation Panel

    3.2.2.1 Appearance The battery module appearance is shown as follows. Figure 5. Battery module appearance The battery module's three views are shown as follows. Figure 6. Battery module three views (unit: mm) 3.2.2.2 Operation Panel The battery module operation panel is shown as follows.

  • Page 9: Pin Definition

    Figure 7. Battery module operation panel The definition of the battery module operation panel is shown as follows. Table 3. Operation panel definition Items Remark Communicate with other battery modules; Communication port Communicate with high-voltage box. Running indicator Indicate battery module running status. Reset switch Reset BMU.
  • Page 10 The battery module's main technical specifications are shown as follows. Table 5. Battery module main technical specifications Items VT48100E-H1 VT48100E-H2 Model VT48100E-H1 VT48100E-H2 The number of cells Cells in series and parallel 1P15S 1P16S Model 48 V 51.2 V Rated voltage 100 Ah 100 Ah Rated capacity...
  • Page 11 Figure 9. VEH204100C battery cluster composition diagram 3.2.4 High-Voltage Box The high-voltage box is used to control and protect the DC connection or disconnection of the battery cluster and communicate with the inverter. If there are multiple battery cabinets in parallel, the appearance of the master and slave high-voltage boxes is the same, but the functions are different.
  • Page 12 Figure 11. High-voltage box three views (unit: mm) 3.2.4.2 Operation Panel The operation panel of the high-voltage box is shown as follows. Figure 12. High-voltage box operation panel The definition of the high-voltage box operation panel is shown as follows. Table 6.
  • Page 13 3.2.4.3 PIN Definition External communication port The PIN definition of an external communication port is shown as follows. Table 7. External communication port PIN definition Location schematic diagram Location Definition Remark CAN1H BCU communication, connect the last high voltage box Optional （...

  • Page 14: Battery Management System

    3.2.4.4 Technical Specifications High-voltage box main technical specifications are shown as follows. Table 9. High-voltage box main technical specifications Items Specification Remark Rated voltage 300 VDC Rated current 100 A Dual power redundant power supply: battery module Power supply power supply, inverter power supply Power consumption ＜40 W Communication type...
  • Page 15 Battery module management module: BMU, integrated with the battery module. Battery cluster management module: BCU, integrated with the high voltage box. Battery system management module: PCU, integrated with the high voltage box. BMS can monitor the current, voltage, and temperature of cells in the battery module in real-time, calculate the SOC of the battery system, communicate with the host computer software, and send fault and alarm information.
  • Page 16 Item Specification Remark Equalization Negative equalization ≤ 300 mA Operation temperature -20℃～75℃ Operation humidity 5%-95%RH 3.3.2 BCU The BCU integrated with the high-voltage box is the intermediate level of the BMS. It collects information from the BMU and transmits it to the PCU. BCU can effectively manage the safety of charge and discharge of battery clusters, provide real-time monitoring of battery parameters, fault diagnosis, SOC/SOH estimation, insulation detection, remote monitoring, and other functions, and trigger protection when alarm and emergency battery module...
  • Page 17 The PCU integrated with the high-voltage box can monitor and manage battery clusters internally and complete information exchange externally. The main functions of the PCU are as follows: Battery information management: PCU can monitor cell voltage, cell temperature, cluster voltage, cluster charging current, and cluster discharging current in real-time.

  • Page 18: Precautions For Installation

    4 Installation Guide 4.1 Precautions for Installation Light intensity is required near the installation location. Comply with the safety operation technical regulations when lifting and handling heavy objects. Equipment and tools must be complete, intact, and reliable. It is strictly prohibited to use tools with cracks, burrs, loose handles, etc., that do not meet the safety Standards.

  • Page 19: Packing List

    Goggle Helmet Insulation shoes Anti-static gloves Phillips screwdriver Diagonal pliers Clamp meter Multimeter 4.2.2 Packing List Open the package and take out the product, please check the accessories first. The packing list is shown below. Figure 14. Accessories of RESS High-voltage box Base Battery box*2 (optional)

  • Page 20: Unpacking Acceptance

    4.2.3 Unpacking Acceptance After receiving the goods on-site, please check whether the packing box is intact and inspect the goods in time. If the packing box is slightly damaged, please sign and confirm the goods list and indicate the extent of the damage. If the damage is severe, please refuse to sign. Please carry out an unpacking inspection after receiving all the goods.
  • Page 21 The battery box 2 fixing. Install 2 pcs guide rails of battery box 1 first, then align the lower notch of battery box 2 with the upper guide of battery box 1, lower it and push it to the right. Facilitate pushing to the right, the coil can be removed before assembly.
  • Page 22 Figure 18. Fixing the high-voltage box Whole machine fixing, drill holes according to the position of the battery cabinet installation holes. The top is fixed to the wall, and the bottom is fixed to the ground, using M6 Expansion screws. If the battery cabinet is installed against the wall, it can be fixed on the wall.
  • Page 23 Figure 20. Installing expansion bolts (unit: mm) Drill holes in the ground by using a hammer drill. Partially tighten the expansion bolt and vertically insert it into the hole. Hit the expansion bolt using a hammer until the expansion sleeve is fully inserted into the hole. Partially tighten the expansion bolt.

  • Page 24: Installing Battery Module

    4.4 Installing Battery Module Procedure Take out the battery module and put it in the installation place. The battery module is heavy. If possible, please use tools to assist in handling and installation. The address of the battery module can be automatically assigned after the battery module is powered on. Fixing the battery modules to the cabinet with the cross-recessed pan head combination screws.

  • Page 25: Connecting Power Cable

    Figure 23. Battery module grounding 4.5 Connecting Power Cable Context Insulate installation tools to prevent electric shocks. The battery module power cable connection method adopts the self-locking connector method. The description of the self-locking connector is shown as follows: The steps for connecting the self-locking connector are as follows: Adjust the direction of the self-locking connector to align with the battery module terminal.
  • Page 26 Figure 24. Self-locking connector button Procedure Connect the power cable between the high-voltage box and the battery module. The self-locking connector's color should correspond to the battery module terminal's color: orange corresponds to the positive pole, and black corresponds to the negative pole. The internal wiring of the battery cabinet is the same.

  • Page 27: Connecting Signal Cable

    The wiring sequence is: first connect the OT terminal to the high-voltage box terminal, and then connect to the battery modules. Please strictly follow the wiring sequence. Otherwise, it will be easy to short-circuit. The self-locking connector's color should correspond to the battery module terminal's color: orange corresponds to the positive pole, and black corresponds to the negative pole.
  • Page 28 Connect the remaining power cables and signal cables between the battery cabinet and inverter. Figure 27. Connect the external cables For the wiring diagram of the inverter to the user side, please refer to the inverter user manual. Please confirm the usage scenarios of the inverter according to the actual situation. For details, please refer to the inverter user manual.

  • Page 29: Check Before Power-On

    5 Operation Guide 5.1 Check before Power-on Context After installing the RESS, users need to perform a pre-power check to ensure that the device installation and cable connection are correct before performing the power-on operation. Procedure Check whether the battery module sequence is consistent with the layout diagram. Check the cable connection on site.
  • Page 30 5.3 Operation Guide The battery system has completed the system parameter settings at the factory, and the system will run automatically after power is on. The inverter needs to be set according to actual needs. For detailed operations, please refer to the User Manual.

  • Page 31: Battery Storage

    6 Routing Maintenance The engineering personnel who perform the following operations must have received professional training. Before operating and maintaining the RESS, wear anti-static work clothes, anti-static gloves, and wrist straps, and remove conductive objects such as jewelry and watches to avoid electric shock or burns. All RESS internal maintenance work requires insulated tools and should be performed by personnel who have received relevant training.

  • Page 32: Quarterly Maintenance

    Users should conduct a visual inspection of the RESS monthly. Please refer to the following table for monthly maintenance. Table 14. Monthly maintenance Item Refer Standard Abnormal Handling Suggestion The appearance is neat and clean without If there is dirt on the surface, clean the stains.

  • Page 33: Acronyms And Abbreviations

    Acronyms and Abbreviations Alternating Current Battery Management unit Battery Management System Battery Control Unit Direct Current Protocol Converter Unit State of Charge State of Health...

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