Weco 14K3-XP Installation And User Manual
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Weco 14K3-XP Installation And User Manual

Rack hv module 19'
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WECO 14K3-XP RACK HV-EMEA
Installation and User Manual
WECO 14K3 XP RACK HV MODULE 19'
EUROPE VERSION
HIGH VOLTAGE RACK MODULE
1
Version 02/02/2023

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  • Page 1 WECO 14K3-XP RACK HV-EMEA Installation and User Manual WECO 14K3 XP RACK HV MODULE 19’ EUROPE VERSION HIGH VOLTAGE RACK MODULE Version 02/02/2023...
  • Page 2 WECO 14K3-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 255.7Lbs / 116 kg. ATTENTION: The battery may explode if exposed to open flames or other extreme sources of heat.
  • Page 3 WECO 14K3-XP RACK HV-EMEA Statement: The information and guidance contained in this manual are related to the WECO 14K3-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 14K3-XP RACK HV-EMEA System Design System Design defines 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 14K3-XP RACK HV-EMEA Overview The WeCo 14K3-XP is a rack high voltage battery module that shall be used in a RACK 19`` cabinet or shelf. For HIGH VOLTAGE (250-1000 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 14K3-XP RACK HV-EMEA Battery Module Overview INFORMATION provides tips that are valuable for optimum installation and operation of the product. PROTECTION LID SHELF FIXING HOLES FAN POWER LINE IN NEGATIVE TERMINAL RUN BUTTON BMS POWER SWITCH CAN B OPERATOR PORT...
  • Page 7 WECO 14K3-XP RACK HV-EMEA ATTENTION: HIGH VOLTAGE BATTERY SERIES CONNECTION ONLY HIGH VOLTAGE ONLY FAST CONNECTORS 300Adc HIGH VOLTAGE SERIES CONNECTION CONNECTION Version 02/02/2023...
  • Page 8 CAUTION: The weight of an individual WeCo 14K3-XP Rack Battery Module is above 110 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 14K3-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

    WECO 14K3-XP RACK HV-EMEA General Preparation Before Installation: Ensure that all the modules are turned OFF. The battery installation location should be at least 20m away from sources of heat, protected from any source of sparks or other sources of extreme temperature. Battery connecting cables shall be as short as possible to prevent excessive voltage drops.

  • Page 11: Section I - General Overview

    WECO 14K3-XP RACK HV-EMEA The installer who intends to install the WeCo 14K3-XP Rack Battery Module in the HV configuration should read this entire manual including the HV configuration information defined in Section 2. SECTION I – GENERAL OVERVIEW 1 Useful information 1.1 Storage - Transportation –...
  • Page 12 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 14K3-XP will have a specific Firmware that manages the logic and interconnection functions between Battery Modules and devices.
  • Page 13 WECO 14K3-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.
  • Page 14 The RS232 Port is enabled when the BMS Power Switch is turned ON (1) and the run button is light. Attention: The 14K3-XP HV RACK module can only be connected in series. Make sure the voltage of each module that is going to compose the tower is consistent with the rest of the modules.

  • Page 15: Modules Overview

    The 14K3-XP RACK MODULE HV must be used only for High Voltage Series connection in conjunction with the HV STRING CONTROL UNIT. The WeCo 14K3-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 14K3-XP RACK HV-EMEA ATTENTION: EXAMPLE: 1856 A cluster of 16 Battery Modules weighs The support structure/floor must be properly inspected by a civil engineer before starting the installation of the modules. Dimensions 860x482x230 Cell type LiFePO4 Weight 116Kg BMS Extreme Charge Temp °C...
  • Page 17 WECO 14K3-XP RACK HV-EMEA 2.1.2 Battery Terminal Function Definition he terminal layout is shown in the following figure: Battery Terminal Wiring Definition Table Interface Name Function COOLING SYSTEM POSITIVE POLE POSITIVE FAST CONNECTOR NEGATIVE POLE NEGATIVE FAST CONNECTOR RUN BUTTON...
  • Page 18 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 Version 02/02/2023...
  • Page 19 WECO 14K3-XP RACK HV-EMEA 2.1.4 Accessory List (14K3 Single Module HV Standard Kit) The Battery Module is packed in a carton box together with standard accessories. When unpacking the Battery Module, be sure to check that the Battery Module and accessories are free from damage and that the correct quantities of each component are included within the carton.
  • Page 20 WECO 14K3-XP RACK HV-EMEA 2.1.6 Personal Protective Equipment +1000 Vdc Insulated Tools Mechanical Lifting Device for module lifting and positioning Version 02/02/2023...
  • Page 21 1000Vdc) max supported current is 280Adc. 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 22 WECO 14K3-XP RACK HV-EMEA 2.2.2 HV STRING CONTROL UNIT Terminals Definition Table HV STRING CONTROL UNIT Definition Table Interface Name Function ISOLATOR 315A 1000Vdc Isolator BATTERY POWER BATTERY LINE NEGATIVE BATTERY POWER BATTERY LINE POSITIVE AC SWITCH AC SWITCH OF EXTERNAL POWER (220VAC)
  • Page 23 WECO 14K3-XP RACK HV-EMEA Attention: Interface E: RJ45 PORT corresponding to the CAN bus pin definition 2.2.3 HV STRING CONTROL UNIT Product Identification and labels The nameplate label describes the product parameters and is attached to the product. For details, please refer to the nameplate label of the product.
  • Page 24 WECO 14K3-XP RACK HV-EMEA 2.2.4 HV STRING CONTROL UNIT KIT (Included in the carton box) Cable diameter / Cable Color Cable Description Image Code Length 85mm²(3/0 AWG) Red /Red 25 cm Connection cable between HV STRING CONTROL UNIT and 1st battery of the string...
  • Page 25 WECO 14K3-XP RACK HV-EMEA Name/ Code Color Cable Length Description Image Fast connector Depended on One for use, one for backup site For making the power cable connect installation from HV control unit to the inverter, rated 300A Suitable for 85mm²(3/0 AWG)

  • Page 26: Section Ii - High Voltage Configuration

    WECO 14K3-XP RACK HV-EMEA SECTION II – HIGH VOLTAGE CONFIGURATION 3 SERIES HV CONNECTION AND SYSTEM RACK CONFIGURATION ATTENTION: IT IS COMPULSORY TO USE THE 14K3-XP HV STRING CONTROL UNIT Version 02/02/2023...
  • Page 27 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. 3.1.2 High Voltage Rack Configuration...
  • Page 28 WECO 14K3-XP RACK HV-EMEA Hybrid Cabinet Parallel Inverter Combiner 120-360kW 2-10 units CABINET CAPACITY kWh MODULES IN SERIAL n° Max Cabinets in Parallel Total Capacity kWh VOLTAGE RANGE Vdc 185.9 371.8 624.8-748.8 200.2 400.4 672.0-806.4 214.5 720.0-864.0 228.8 457.6 768.0-921.6 243.1...
  • Page 29 WECO 14K3-XP RACK HV-EMEA Shelf Support Structure Version 02/02/2023...
  • Page 30 WECO 14K3-XP RACK HV-EMEA Air duct for cooling Thermal Air Flow Instructions. The air conditioner flows downward from the top air ducts, and the air duct through both sides of the battery case, the fan of the battery module draws air outside to take away the heat inside the battery.

  • Page 31: Power Cables Connection

    WECO 14K3-XP RACK HV-EMEA 3.1.3 Series HV Tower Connection (Power and Communication) Six batteries connected in series is the minimum allowed configuration for High Voltage operation of HV STRING CONTROL UNIT. CAUTION After setting the DIP switches, the batteries must be restarted for the DIP switch changes to take effect.
  • Page 32 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 assistance.
  • Page 33 WECO 14K3-XP RACK HV-EMEA 3.1.4 High Voltage Power Connections 14K3-XP HV STRING CONTROL UNIT can support a maximum of 17 modules (979,2 Vdc max 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 34 WECO 14K3-XP RACK HV-EMEA 3.1.5 Power & Data Connections - Example of 11 modules cluster (2 towers) Step 1: Set up the DIP Switches as per the picture below. Step 2: Connect the CAN PORTS, starting from the HV STRING CONTROL UNIT PORT CAN 2A, then chain connection as shown below.
  • Page 35 WECO 14K3-XP RACK HV-EMEA 3.1.6 Power & Data Connections - Example of 11 modules cluster (2 towers) 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 36 WECO 14K3-XP RACK HV-EMEA 3.1.7 Rack Mounting - Example of 15 modules cluster (2 towers of 15 modules) ATTENTION The 14K3 RACK and HV STRING CONTROL UNIT RACK must be installed on rack structure designed to withstand the weight and horizontal forces.
  • Page 37 WECO 14K3-XP RACK HV-EMEA Version 02/02/2023...
  • Page 38 WECO 14K3-XP RACK HV-EMEA 3.2 HV STRING CONTROL UNIT and Battery connection and Start Up Procedure Step 1: Keep the HV STRING CONTROL UNIT main breaker OFF and all batteries BMS switch OFF as well. Step 2: Connect the positive terminal of the HV STRING CONTROL UNIT to the Positive terminal of the 1st Battery Module.
  • Page 39 WECO 14K3-XP RACK HV-EMEA 12.7- Pre-charge Contactor Disabled. Step 13: The HV STRING CONTROL UNIT will end the startup procedure within 90/120 seconds by closing the input circuit. Status bar stops blinking. Step 14: Close inverter switch of DC side (solar panels).
  • Page 40 WECO 14K3-XP RACK HV-EMEA 3.3 HV STRING CONTROL UNIT shut down or removal 3.3.1 Shutting Down Procedure To turn off the HV STRING CONTROL UNIT 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.
  • Page 41 WECO 14K3-XP RACK HV-EMEA Disconnect the external AC power input cable (if has) Disconnect the 24Vdc OUTPUT cable (if has) Remove fixing screws that secure HV STRING CONTROL UNIT to rack Remove the HV STRING CONTROL UNIT from its location...
  • Page 42 No CELL MUST EXCEED 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 43 WECO 14K3-XP RACK HV-EMEA 3.5 Multi-clusters operations via CAN Combiner CN2 cable to inverter CN1 cable (2 Wires RJ45 CAN cable) CN1 cable (2 Wires RJ45 CN1 cable (2 Wires RJ45 CAN cable) CAN cable) Version 02/02/2023...
  • Page 44 WECO 14K3-XP RACK HV-EMEA 3.5.1 DT8-24 CAN Combiner functions and terminals definitions DT8-24 Combiner is a communication device designed for HV BOX parallel control system and need to be used in multi-clusters operations (Max 8 clusters). DT8-24 CAN COMBINER Definition table...
  • Page 45 WECO 14K3-XP RACK HV-EMEA 3.5.2 DIP Settings and COMM connections – Example of 8 clusters (Max 8 clusters of 17 modules) CAN TO INVERTER 2 WIRE CABLE HV BOX 7 HV BOX 6 HV BOX 5 HV BOX 8 RJ45 to...
  • Page 46 WECO 14K3-XP RACK HV-EMEA 3.5.3 Installation and startup of a High Voltage Multi-Clusters System Install clusters with the same number of modules. Each module of each cluster must have the same voltage. Each cluster must have the same total voltage.
  • Page 47 The battery must be inspected immediately by an authorized WeCo technician or send the battery to WeCo for an accurate check. Version 02/02/2023...
  • Page 48 Firenze Italia www.wecobatteries.com WeCo Energy Storage Technology China LTD 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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