WeiHeng Digital ecactus Myrtillo WH-BXC4992-1S User Manual

Stackable battery storaqe system

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Summary of Contents for WeiHeng Digital ecactus Myrtillo WH-BXC4992-1S

  • Page 2: Table Of Contents

    CONTENTS COPYRIGHT STATEMENT .........................1 NOTE ON THIS MANUAL ......................1 Applicable Model ......................................1 Target Group ........................................1 Symbols in the Manual .....................................1 Symbols on the Product ..................................2 Version ............................................3 SAFETY ............................4 General Safety ........................................4 Before Connecting ......................................4 In Using ............................................5 INTRODUCTION ..........................6 Product Overview ......................................6 Features ............................................6 Application Scenarios ....................................7...
  • Page 3 Recycle and Disposal ....................................36 Maintenance ........................................36 Declaration of conformity ................................36...
  • Page 4: Copyright Statement

    Myrtillo User Manual COPYRIGHT STATEMENT COPYRIGHT STATEMENT The copyright of this manual belongs to Jiangsu Weiheng Intelligent Technology Co., Ltd. Hereinafter referred to as eCactus, eCactus is the sub-brand of Weiheng focusing on providing household energy storage solutions. Any corporation or individual should not plagiarize, partially or fully copy (including software, etc.), and no reproduction or distribution of it in any form or by any means.
  • Page 5: Note On This Manual

    Myrtillo User Manual NOTE ON THIS MANUAL 1 NOTE ON THIS MANUAL Applicable Model This manual applies to the listed system models below: Myrtillo Series: WH-BXC4992-1S • WH-BXC4992-2S • WH-BXC4992-3S • WH-BXC4992-4S • WH-BXC4992-5S • WH-BXC4992-6S • It describes the information, installation, electrical connection, commissioning, and maintenance and troubleshooting of the product.
  • Page 6: Symbols On The Product

    Myrtillo User Manual NOTE ON THIS MANUAL 1.4 Symbols on the Product The follow types of warning and safety symbols appearing on the product are described below: Caution! Failing to observe warnings indicated in this manual may result in injury. Danger to life due to electric shock The product operates at high voltages.
  • Page 7: Version

    Myrtillo User Manual NOTE ON THIS MANUAL directives. 1.5 Version The latest document contains all the updates made in previous versions. V1.0 5/3/2024: First Issue. •...
  • Page 8: Safety

    Myrtillo User Manual SAFETY 2 SAFETY Please strictly follow these important instructions in the manual and the label on the products during the Installation, communication, operation and maintenance. 2.1 General Safety Please strictly follow these safety instructions in the user manual during the operation.
  • Page 9: In Using

    Myrtillo User Manual SAFETY Embedded BMS in the battery is designed for 24VDC. • All electrical wiring must be connected in accordance with local regulations. • Please ensure that electrical performance of battery system is compatible with • the equipment used. The installation onsite shall be equipped with fire-fighting facilities that meet •...
  • Page 10: Introduction

    Myrtillo User Manual INTRODUCTION 3 INTRODUCTION 3.1 Product Overview Myrtillo is a new energy storage system, which consists of a high voltage box and battery expansion modules. It can store and release the electric energy according to the requirements of the solar energy storage system. The input and output ports of Myrtillo are high voltage direct current ports.
  • Page 11: Application Scenarios

    Myrtillo User Manual INTRODUCTION Adopted self-cooling mode rapidly reduced system entire noise. • Optional built-in intelligent heating module ensures that whole system can be • charged and discharged at -20 °C. 3.3 Application Scenarios Battery System: A max of five battery systems can be parallel connected in •...
  • Page 12: Dimensions

    Myrtillo User Manual INTRODUCTION 3.4 Dimensions...
  • Page 13: Indicator Status And Communication Port

    Myrtillo User Manual INTRODUCTION 3.5 Indicator Status and Communication Port Battery system appearance  NOTICE Ensure that the high voltage box is installed above the battery boxes. Do not install any battery box above the high voltage box . This manual will show you the installation and electrical connection of 4 battery boxes.
  • Page 14 Myrtillo User Manual INTRODUCTION Name Definition Black start mode: When there is no PV and grid, press and hold for 5 seconds to start the system and drive the inverter to work. Power off mode: When the system is powered on, press and hold for 5 seconds to turn off the system.
  • Page 15 Myrtillo User Manual INTRODUCTION must switch on it before power on the system; Short circuit protection Please see the detail description below this SOC indicator section Please see the detail description below this Status indicator section Battery module power and communication Guided quick connector interface Run/Fault...
  • Page 16 Myrtillo User Manual INTRODUCTION Note The indicator light is flashing at 2s intervals. The SOC indicator light is off. The SOC indicator light is on. COM1 RJ45 Socket Definition RS485A RS485B CANL CANH Undefined COM2 RJ45 Socket Definition RS485A RS485B CANL CANH Undefined...
  • Page 17: Product Identity Definition

    Myrtillo User Manual INTRODUCTION 3.6 Product identity definition High voltage box nameplate: Battery box nameplate:...
  • Page 18: Techincal Data

    Myrtillo User Manual INTRODUCTION 3.7 Techincal Data Model BXC4992- BXC4992- BXC4992- BXC4992- BXC4992- BXC4992- Battery Type Battery Module 4.992kWh, 96V Number of Modules Nominal Capacity/kWh 4.992 9.984 14.976 19.968 24.86 29.952 Nominal Voltage/V Operating Voltage/V 84…108 168…216 252...324 336...432 420...540 504…648 Recommend Charge/Discharge Current/A...
  • Page 19: Installation

    Myrtillo User Manual INSTALLATION 4 INSTALLATION 4.1 Packing List WH- High Voltage Box + WH-Base 1 × High Voltage Box 2 × Sheet Metal 1 × Locking Bracket Brackets 1 ×Base 1×Positive DC Connector 4 × M5*12 Screws 1× Quick Installation 1×RJ45 Connector Guide 1×Negative DC...
  • Page 20 Myrtillo User Manual INSTALLATION 4 × M5*12 Screws 1 × Battery Box 4 ×Rubber Stoppers 2 × Sheet Metal Brackets 1×Qualified Certificate...
  • Page 21: Installation Location And Environment

    Myrtillo User Manual INSTALLATION 4.2 Installation Location and Environment 4.2.1 General Install the equipment on a surface that is solid enough to bear the product weight. Please evaluate the load-bearing capacity. The installation location should be well-ventilated and away from flammable or explosive materials. This battery box is rated for outdoor installation and can be installed both indoors and outdoors.
  • Page 22: Location Restrictions

    Myrtillo User Manual INSTALLATION 4.2.2 Location Restrictions The battery system should not be installed: (1) Within 600 mm of any heat source, such as hot water units, gas heaters, air conditioning units, or any other similar appliances; (2) Within 600 mm of any exit; (3) Within 600 mm of any window or ventilation opening;...
  • Page 23 Myrtillo User Manual INSTALLATION...
  • Page 24: Choosing An Installation Location

    Myrtillo User Manual INSTALLATION 4.2.4 Choosing an Installation Location NOTICE Carefully select an appropriate installation location based on the following rules to protect the Battery Box and facilitate maintenance. Rule 1. Do not install the system at forward tilted, back tilted, side tilted, horizontal, or upside down positions.
  • Page 25: Installation Steps

    Myrtillo User Manual INSTALLATION Rule Do not install the system in the snow or rain. If installation in the snow or rain is unavoidable, ensure the system and distribution box are protected and kept dry. Install the system away from strong magnetic fields to avoid electromagnetic interference.
  • Page 26 Myrtillo User Manual INSTALLATION When battery modules are paralleled, the system should be powered off before  installation operation. Step1: Take out the hi and base from the package. gh voltage box Step2 : Place the base on the ground and adjust the height of the bottom support leg with a screwdriver to ensure that the base is horizontal.
  • Page 27 Myrtillo User Manual INSTALLATION Step3: Install the wall-hanging plate of the high voltage box. Drill a hole with a diameter of 10mm at the center of the waist-type hole in the back plate with the electric drill and Place the plastic expansion tube, then fix the self-tapping screw with a screwdriver.
  • Page 28 Myrtillo User Manual INSTALLATION...
  • Page 29 Myrtillo User Manual INSTALLATION Step4: Take out the battery box from the package  Be cautious to prevent injury when moving heavy objects. (The weight of an Energy Storage Module is 65 kg)  Use lifting handles to move an energy storage module. Do not move it directly with your hands.
  • Page 30 Myrtillo User Manual INSTALLATION Step5: Install the first battery box, mstack the battery box, on the base, Fix the sheet metal brackets on both sides with screws.
  • Page 31 Myrtillo User Manual INSTALLATION...
  • Page 32 Myrtillo User Manual INSTALLATION Step6: Install all the battery boxes in turn, fix the sheet metal brackets on both sides, and finally put the back plate of the high voltage box into the locking bracket and fix the sheet metal brackets on both sides.
  • Page 33 Myrtillo User Manual INSTALLATION  If multiple persons need to move the battery box together, determine the manpower and work division with consideration of height and other conditions to ensure that the weight is equally distributed.  If two persons or more move the battery box together, ensure that the battery box is lifted and landed simultaneously and moved at a uniform pace under the supervision of one person.
  • Page 34 Myrtillo User Manual INSTALLATION Step7 : Connect the ground cable, power cable and communication cable between PCS and battery rack. • Power cable connection process is as below: • PE cable connection process is as below:...
  • Page 35 Myrtillo User Manual INSTALLATION NOTICE Ground cable shall be connected to ground plate on grid side this prevents electric shock. if the original protective conductor fails.
  • Page 36 Myrtillo User Manual INSTALLATION For thrid-party inverters, please refer to the COM port definition in the user manual for wiring. Cable Cable Cable Type Specification Area BAT+/BAT- 8AWG 8.37mm 10AWG 5.26mm *This is the recommended minimum wire diameter, please select the wire diameter according to the actual installation situation.
  • Page 37: System Operation

    Myrtillo User Manual System Operation 5 System Operation 5.1 Check Before Turning ON Please check the following before turning on to avoid the battery system being damaged. Check Item Double check the power cable, communication cable, PE cable are connected correctly and securely.
  • Page 38: Turn Off The Battery System

    Myrtillo User Manual System Operation Step4: Turn on the inverter in the system following the user manual of the inverter. 5.4 Turn off the Battery System When failure or before service, must turn the battery storage system off: Step1: Turn off the inverter or power supply on DC side. Step2:...
  • Page 39: Emergency Situations

    Myrtillo User Manual Emergency Situations 6 Emergency Situations 6.1 Battery Leakage If the battery pack leaks electrolyte, avoid contact with the leaking liquid or gas. If one is exposed to the leaked substance, immediately perform the actions described below Inhalation: Evacuate contaminated area and seek medical aid. 2) Contact with eyes: Rinse eyes with flowing water for 15 minutes and seek medical aid.
  • Page 40: Remarks

    Myrtillo User Manual Remarks 7 Remarks 7.1 Recycle and Disposal In case a battery (normal condition or damaged) needs disposal or needs recycling, it shall follow the local recycling regulation (i.e. Regulation (EC) Nº 1013/2006 among European Union) to process, and using the best available techniques to achieve a relevant recycling efficiency.

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