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Weco 5K3-XP-RACK Installation And User Manual

High voltage rack module
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WECO 5K3-XP RACK HV-EMEA
Installation and User Manual
WECO 5K3-XP-RACK HIGH VOLTAGE 3U
EUROPE VERSION
HIGH VOLTAGE RACK MODULE
1
Version 25/10/2022

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  • Page 1 WECO 5K3-XP RACK HV-EMEA Installation and User Manual WECO 5K3-XP-RACK HIGH VOLTAGE 3U EUROPE VERSION HIGH VOLTAGE RACK MODULE Version 25/10/2022...
  • Page 2 WECO 5K3-XP RACK HV-EMEA ATTENTION: The battery could explode and/or be severely damaged if dropped or crushed. ATTENTION: Appropriate mechanical lifting equipment must be used since the Battery Module weighs 126.3Lbs / 54.3 kg ATTENTION: The battery may explode if exposed to open flames or other extreme sources of heat.
  • Page 3 WECO 5K3-XP RACK HV-EMEA Statement: The information and guidance contained in this manual are related to the WECO 5K3-XP RACK model of battery. This manual contains two sections: Section I is for GENERAL OVERVIEW Section II is for HIGH VOLTAGE CONFIGURATION In case of product upgrades or other reasons, this document will be adjusted accordingly.

  • Page 4: System Design

    WECO 5K3-XP RACK HV-EMEA System Design System Design is the process of defining the architecture, components, modules, interfaces, and load data for a system to satisfy specified requirements. For a solar energy system, these components are the PV modules, inverter/charge controller & batteries, as well as the different interfaces of those components.

  • Page 5: Additional Information

    WECO 5K3-XP RACK HV-EMEA Overview The WeCo 5K3-XP is a rack high voltage battery module that shall be used in a RACK 19`` cabinet or shelf For HIGH VOLTAGE (150-934.4 Vdc)* configuration refer to Section 2 *Voltage ranges are estimates only, as they always depend on interactions with other devices and ambient conditions.
  • Page 6 WECO 5K3-XP RACK HV-EMEA Battery Module Overview INFORMATION provides tips that are valuable for optimum installation and operation of the product. SHELF FIXING HOLES FAN POWER LINE IN NEGATIVE TERMINAL RUN BUTTON BMS POWER SWITCH PROTECTION LID CAN B OPERATOR PORT...
  • Page 7 WECO 5K3-XP RACK HV-EMEA ATTENTION: HIGH VOLTAGE BATTERY SERIES CONNECTION ONLY HIGH VOLTAGE ONLY FAST CONNECTORS 150Adc HIGH VOLTAGE SERIAL CONNECTION CONNECTION Version 25/10/2022...

  • Page 8: Safety Guidelines

    CAUTION: The weight of an individual WeCo 5K3-XP Rack Battery Module is 54.3 kg, Please use the original packaging and follow all safety precautions if the Battery Module is to be relocated to another location, to avoid damage to the product and personal injury.

  • Page 9: Warning Statements

    WECO 5K3-XP RACK HV-EMEA Warning Statements Lithium Iron Phosphate (LiFEP04) Battery or Cell DANGER Hazard Statement The materials contained in this product may only represent a hazard if the integrity of the cell or battery is compromised and/or physically, thermally, or electrically abused. Below are the hazards anticipated under those conditions: Causes skin irritation.

  • Page 10: General Preparation

    The installer who intends to install the WeCo 5K3-XP Rack Battery Module in the HV configuration should read this entire manual including the HV configuration information defined in Section 2.

  • Page 11: Section I - General Overview

    WECO 5K3-XP RACK HV-EMEA SECTION I – GENERAL OVERVIEW 1 Useful information 1.1 Storage - Transportation – Removing / Relocation of Batterie ✓ This Battery is considered DANGEROUS GOODS by the United Nations and must be treated accordingly. ✓ Each box comes from the factory with the below labels: ✓...
  • Page 12 WECO 5K3-XP RACK HV-EMEA The installer approaching this battery model for the first time must understand the use and operation of its accessories. Each device or accessory of the 5K3-XP will have a specific Firmware that manages the logic and interconnection functions between Battery Modules and devices.

  • Page 13: Package Information And System Configuration List

    WECO 5K3-XP RACK HV-EMEA Module Unpacking and Handling The battery is always boxed with the accessories, but the structure/shelf rack is not included and needs to be ordered separately. ATTENTION: The battery must be lifted by four persons, using lifting devices Lift the battery up and put vertical into the carton, then use a mechanical lifting device to install the battery into the shelf.
  • Page 14 WECO 5K3-XP RACK HV-EMEA ATTENTION: The Battery Module weighs 126.3 lb (57.3 kg) and must be installed with the help of a mechanical lift, and/or with at least two people equipped with suitable suction cups for mechanical lifting or lifting straps.

  • Page 15: Modules Overview

    The 5K3 RACK MODULE HV must be used only for High Voltage Serial connection in conjunction with the HV BOX control device The WeCo 5K3-XP Battery Modules can be used as an on-grid or off-grid energy storage system. It is not recommended to use this product for any purpose other than the intended purpose as described in this document.
  • Page 16 WECO 5K3-XP RACK HV-EMEA Dimensions 593x470x163 Cell type LiFePO4 105.8 lb +19.4°F to +131°F* Weight lb (kg) (48 kg) BMS Charge Temp °F (°C) (-7°C to +55°C*) +131°F to -4°F* Case Material Type Steel BMS Discharge Temp °F (°C) (+55°C to -20°C*) +77°F (+25°C)
  • Page 17 The nameplate label describes the product parameters and it is attached to the product. For details, please refer to the nameplate label of the product. For safety reasons, the installer must have a thorough understanding of the contents of this manual before installing the product. WeCo BATTERY RACK MODULE – PRODUCT LABEL Made in China Made in Italy...
  • Page 18 The following list of components can be used as a checklist when unpacking the individual Battery Module and battery kits. 1 Set of 4 screws + nuts with each Battery Rack Screw Set Fast Connector cable WECO FAST 1 Cable RED / BLACK Connectors...
  • Page 19 WECO 5K3-XP RACK HV-EMEA 2.1.6 Personal Protective Equipment +1000 Vdc Insulated Tools Mechanical Lifting Device for module lifting and positioning Version 25/10/2022...
  • Page 20 The HV BOX supports a minimum of 2 modules and a maximum of 16, max current is 100A The WeCo Modules can be used as an on-grid or off-grid energy storage system. It is not recommended to use this product for any purpose other than the intended purpose as described in this document.
  • Page 21 WECO 5K3-XP RACK HV-EMEA Dimensions 445 x 620 x 190 36.6 lb Weight lb (kg) (16.6 kg) Case Material Type Steel Operative Voltage 100-1000 2.2.2 HV BOX Terminals Definition Table HV BOX Definition Table Interface Name Function WIFI ANTENNA WiFi ANTENNA * (Optional)
  • Page 22 WECO 5K3-XP RACK HV-EMEA OPERATOR PORT RS232 CONNECTION PORT 24V FAN POWER FAN POWER LINE BATTERY POWER BATTERY LINE POSITIVE BATTERY POWER BATTERY LINE NEGATIVE GROUND TERMINAL LED STATUS BAR SOC/ERRORS LED BAR BREAKER MAIN SWITCH BREAKER Attention: Interface E: RJ45 PORT corresponding to the CAN bus pin definition 2.2.3 HV BOX Product Identification and labels...
  • Page 23 WECO 5K3-XP RACK HV-EMEA 2.2.4 HV BOX KIT (Included in the carton box) Cable Diameter Cable Cable Description Image / Code Color Length 25mm² Red /Red 22 cm Connection cable between HV BOX and 1st battery of the string (fast connectors...
  • Page 24 WECO 5K3-XP RACK HV-EMEA 2.2.5 Necessary Portable Installation Tools Insulated Screwdriver Set Drill + Hammer Multimeter + Current clamp Insulated Allen Key Set from 2 mm to 8 mm Lifting Strap + Mechanical Lifter RS232/USB + Screw Terminal (insulated) Electrician Scissors Insulated Torque Wrench Set 2.2.6 Personal Protective Equipment + 1000 Vdc Insulated Tool Kit...

  • Page 25: Section Ii - High Voltage Configuration

    WECO 5K3-XP RACK HV-EMEA SECTION II – HIGH VOLTAGE CONFIGURATION 3 SERIES HV CONNECTION AND SYSTEM RACK CONFIGURATION ATTENTION: IT IS COMPULSORY TO USE THE 5K3-XP HV BOX Version 25/10/2022...
  • Page 26 FAN OUTPUT CAUTION : The HV fuse is contained behind the positive fast Connector Plug Access to the High Voltage fuse is restricted to authorized WeCo service personnel and the protection lid cannot be opened by anyone else. Module Definition Table...
  • Page 27 WECO 5K3-XP RACK HV-EMEA 3.1.2 High Voltage Rack Configuration ATTENTION: The High Voltage mode mandates that the Battery Modules must be connected in series ATTENTION: The following table provides the possible module configurations. NO OTHER configurations are suitable ATTENTION: Before connecting an HV inverter with the HV BOX terminal, always check the inverter Input range.
  • Page 28 WECO 5K3-XP RACK HV-EMEA CAUTION After setting the DIP switches, the batteries must be restarted for the DIP switch changes to take effect. Power Cables Connection COMM Cables Connection to Inverter CAN 2A TO INVERTER CAN 1B TO 1st MODULE...
  • Page 29 All drawings are for reference only, always refer to the physical product as the standard. If the manual does not match the physical product, stop all actions, remove any connections, store the batteries in a safe place and call your WeCo technical representative for...
  • Page 30 WECO 5K3-XP RACK HV-EMEA 3.1.4 High Voltage Power Connections 5K3-XP HV Box can support a maximum of 16 modules (934Vdc string Voltage). Proceed with the physical installation of the desired quantity and configuration of the Battery Modules, following the installation sequences and guidelines as described in this manual.
  • Page 31 WECO 5K3-XP RACK HV-EMEA 3.1.5 Power & Data Connections - Example of 12 modules cluster (2 towers of 6 modules each) Step 1: Set up the DIP Switches as per the picture below. Step 2: Connect the CAN PORTS, starting from the HV Box PORT CAN 2A, then chain connection as shown below.
  • Page 32 WECO 5K3-XP RACK HV-EMEA 3.1.6 Power & Data Connections - Example of 12 modules cluster (2 towers of 6 modules each) ATTENTION Make sure that the ground connection is not shared with other potential distributing devices and that the ground rod is not used for Neutral Line dispersion or Harmonics mitigation circuit.
  • Page 33 WECO 5K3-XP RACK HV-EMEA 3.1.7 Rack Mounting - Example of 12 modules cluster (2 towers of 6 modules each) ATTENTION The 5K3 RACK and HV BOX RACK must be installed on rack structure designed to withstand the weight and horizontal forces.
  • Page 34 WECO 5K3-XP RACK HV-EMEA 3.2 HV Box and Battery connection and Start Up Procedure Step 1: Keep the HVBOX main breaker OFF and all batteries BMS switch OFF as well. Step 2: Connect the positive terminal of the HV Box to the Positive terminal of the 1st Battery Module.
  • Page 35 WECO 5K3-XP RACK HV-EMEA Step 13: The HV Box will end the startup procedure within 90/120 seconds by closing the input circuit. Status bar stops blinking. Step 13: Close inverter switch of DC side (solar panels) During the start-up automatic procedure, inverter breaker of the DC side (solar panels) must be open. Leaving the breaker engaged during this phase, could lead to incorrect measurement during IR testing phase and to fail this phase.
  • Page 36 WECO 5K3-XP RACK HV-EMEA CAN TO INVERTER HV HUB TO HV HUB CAN LINE Last module TO HV HUB ADDRESS 00 ADDRESS 01 ADDRESS 02 Version 25/10/2022...
  • Page 37 WECO 5K3-XP RACK HV-EMEA When more HV clusters are connected together, it is necessary to use an HV HUB combiner to collect all the battery information and transfer it to the CAN of inverter. The last HV BOX needs to be connected via CAN to the BMS Port of the HV HUB.
  • Page 38 WECO 5K3-XP RACK HV-EMEA ATTENTION ALL THE BATTERIS MODULE MUST HAVE THE SAME SOC and VOLTAGE It is extremely important that every module within the system has the same voltage. Before composing an HV cluster it is mandatory to fully charge each individual module from the HV terminals.

  • Page 39: Shutting Down Procedure

    WECO 5K3-XP RACK HV-EMEA 3.4 HV BOX shut down or removal 3.4.1 Shutting Down Procedure To turn off the HV BOX of any cluster connected to the inverter, it is important to follow the procedure. Turn off the PV INPUT from the inverter by turning the DC switch of the inverter If the DC switch is not integrated into the inverter, open the PV circuit of the inverter (fuse or string insulator) Disable any charging or discharging process by adjusting the inverter settings.
  • Page 40 WECO 5K3-XP RACK HV-EMEA 3.5 High Voltage Inverter Compatibility 3.5.1 CAN Pin Definition for HV Inverters Inverter Terminal Invertr Side Battery Side CAN TERMINAL Type (PIN Number) (PIN Number) CAN L CAN H ZCS THREEPHASE SCEW TERMINAL CAN L CAN H...
  • Page 41 No CELL MUST SUPRPASS THE VALUE OF 3.65VDC MAXIMUM CHARGER PARAMETER FOR THE SINGLE BATTERY MODULE ARE 10A 56Vdc THIS PROCESS MUST BE SUPERVISED BY WECO and PERFORMED ONLY WITH A WECO RACK HV EMERGENCY CHARGER (Equipped with CAN BUS device and Overvoltage Protection)
  • Page 42 The battery must be inspected immediately by an authorized WeCo technician or send the battery to WeCo for an accurate check. Version 25/10/2022...
  • Page 43 WECO 5K3-XP RACK HV-EMEA WeCo srl Viale Kennedy 113-121 Scarperia Firenze Italia www.wecobatteries.com All data subject to change without notice. Actual product color may vary. No part of this document can be copied r reproduced, electronically or mechanically, without written permission from the company...

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