Weco HeSU 4k4 PRO Instruction Manual

Battery module
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I n s t a l l a t i o n M a n u a l
HeSU 4k4 PRO Battery Module
WeCo FZ LLC
Page 1 of 46
wecobatteries.com
REV20201101

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  • Page 1 I n s t a l l a t i o n M a n u a l HeSU 4k4 PRO Battery Module WeCo FZ LLC Page 1 of 46 wecobatteries.com REV20201101...
  • Page 2 It is essential that the battery unit is equipped with the latest firmware version available. WeCo will release new firmware to improve the functionalities and battery capabilities from time to time The latest version of the firmware is always available free of charge, the battery firmware can be updated by your local installer.
  • Page 3: Table Of Contents

    SINGLE CLUSTER CONFIGURATION (100A) SINGLE CLUSTER CONFIGURATION (300A) MULTI CLUSTER HUB CONTROLLER (We-HUB) MULTI CLUSTER CURRENT LIMITATIONS MULTI CLUSTER CONNECTION INVERTER SETTINGS WITHOUT BMS-CAN CONNECTION (GENERAL) ANNEX-A OUTBACK INVERTER CONNECTION WITHOUT BMS-CAN WeCo FZ LLC Page 3 of 46 wecobatteries.com REV20201101...
  • Page 4: Preface

    2.1 About this Manual This manual relates only to the HeSU 4K4 PRO Low Voltage Universal Stackable Model. This manual is intended to be used only by qualified installers who must read carefully and always refer to the manual for guidance on correct operation and maintenance of the product.
  • Page 5: Safety

    The weight of an individual HeSU 4K4 PRO battery is around 50kg, please use original packaging and perform all safety precautions if the battery is to be relocated to another location, to avoid damage to the product and personnel injury.
  • Page 6: Product Overview

    The use of any components contained within or connected to this battery other than the products sold as part of this product or recommended by the manufacturer will nullify the product guarantee. Connecting more than five individual HeSU 4K4 PRO battery units in parallel will nullify the product guarantee. 4.2 Identifying the Product Components...
  • Page 7 Only qualified personnel, with a comprehensive understanding of this manual are permitted to install this product. WeCo FZ LLC Page 7 of 46 wecobatteries.com...
  • Page 8: Led Bar Definitions

    During the normal status the LED bar always displays SOC value. During a Fault or Error the LED bar displays the SOC value for 5 seconds, and then displays the battery fault status for 5 seconds, alternately WeCo FZ LLC Page 8 of 46 wecobatteries.com...
  • Page 9: System Installation

    5.2.1 Parts list * Included Accessories Number Name Quantity Description Image Battery Lithium battery module Wall mounting plate Support Plate Wall Plate Fixing Wall screws Screws+Plug CAN cable RJ45 1.5m ( RJ 45/RJ9 ZCS/SOFAR) WeCo FZ LLC Page 9 of 46 wecobatteries.com REV20201101...
  • Page 10 Left Side + 2 Screws Stack Feet with rubber Right Side+ 2 Screws Front Cover Front Cover + 4 Screws 1 Red Bus Bar Parallel Bus Bar 1 Black Bus Bar WeCo FZ LLC Page 10 of 46 wecobatteries.com REV20201101...
  • Page 11 To remove the terminal cover it is required an Allan Key 2.5mm Multimeter + Current clamp Screw Driver Set Allen Key Set Drill + Hammer 232/USB+screw terminal Electrician Scissors Wrench set Lifting strap + mechanical lifter (insulated) 5.2.3 Personal Protective Equipment WeCo FZ LLC Page 11 of 46 wecobatteries.com REV20201101...
  • Page 12: Installation Procedure (Wall Mount)

    Step 1:Install the fixing screws on the appropriate height of the wall. The scheme is as following: When installing the screws, please check the wall plug size, WeCo provides 4x φ10*60mm, but it may be that a different size or type will be required depending on the actual installation surface.
  • Page 13 Wall Mounted Floor Mounted When installing the battery, please work with appropriate lifting devices managed by at least two people to avoid product damage or personal injury. The battery module exceeds 55Kg. WeCo FZ LLC Page 13 of 46 wecobatteries.com REV20201101...
  • Page 14: Installation Procedure (Stack Mount)

    Preparation of the modules The battery is delivered as standard in a WALL MOUNTED CONFIGURATION and it is therefore necessary that the installer make simple external changes to install into a STACKABLE CONFIGURATION WeCo FZ LLC Page 14 of 46 wecobatteries.com...
  • Page 15 Step 2: Next, install the pads on all four corners of the bottom of the second battery in the stack using the screws provided as shown in the picture below. WeCo FZ LLC Page 15 of 46 wecobatteries.com REV20201101...
  • Page 16 Step 5: Continue installation of the modules up to a maximum of five modules in total WeCo FZ LLC Page 16 of 46 wecobatteries.com...
  • Page 17 Once it has been verified that there are ZERO volts present ON ALL BATTERIES, proceed with the installation of the cables as shown in the diagram below. Power Connection by using the STACKABLE KIT BUS BAR WeCo FZ LLC Page 17 of 46 wecobatteries.com...
  • Page 18 If the inverters have properly identified the battery BMS model and Capacity, Turn OFF the system your connection is properly set up. Always install cables in accordance with installation guidelines and avoid long cable runs to prevent excessive voltage drops WeCo FZ LLC Page 18 of 46 wecobatteries.com...
  • Page 19: Communication And Control Panel

    5.4 Communication & Control Panel 5.4.1 Terminal Function and Definition The terminal layout is shown in the following figure: Attention:Interface-C is an RJ45 Port corresponding to the CAN Bus pin definition shown below WeCo FZ LLC Page 19 of 46 wecobatteries.com REV20201101...
  • Page 20: Dip Switch Settings

    Stand Alone Battery 5.5.2 (Master + Slave#1) 5.5.3 (Master + Slave#1 + Slave#2) 5.5.4 (Master + Slave#1 + Slave#2 + Slave#3) 5.5.4 (Master + Slave#1 + Slave#2 + Slave#3 + Slave#4) WeCo FZ LLC Page 20 of 46 wecobatteries.com REV20201101...
  • Page 21: Parallel Battery Wiring Convention

    For maximum charge and discharge current refer to the tables given in Section 9, Section 10, Section 11, Section 12 and Section 13 of this manual. All Power Cable Connectors should be tightened to 40 Nm and checked every three months WeCo FZ LLC Page 21 of 46 wecobatteries.com...
  • Page 22 DO NOT PROCEED. Ensure that the battery is isolated and that all connections are removed. Store the battery in a safe place and call WeCo product assistance for support service@weco.co.uk. The batteries in each stack communicate with each other via the RS485 ports. The master battery always connects to the RS485-B port and from there connects to the RS485-A port on the Slave#1 module.
  • Page 23 Failure to do so can result in damage to the battery and potentially cause personal injuries. 5.6.3 Master S1-S2-S3 5.6.4 Master Plus S1-S2-S3-S4 WeCo FZ LLC Page 23 of 46 wecobatteries.com REV20201101...
  • Page 24: Battery Activation And Shutdown

    6.1 Panel buttons and LEDs Explanation Attention: The drawings in this manual are for reference only. If the actual battery has a different configuration stop all installation activity, ensure that the battery is disconnected and in a safe condition and contact WECO support center Name...
  • Page 25: Parallel Battery Configuration

    6.3.2 of this manual is followed. Switching off an individual slave battery in a parallel system is possible in an adverse situation, but only as a last resort. WeCo FZ LLC Page 25 of 46 wecobatteries.com...
  • Page 26: Troubleshooting

    7 TROUBLESHOOTING * (WeCo Monitor via RS 232) ALARM SYMPTOM SOLUTION PC Software GREEN (NORMAL) RED (FAULT) OVER CURRENT ALARM The battery relay is Reduce charge or discharge disconnected during charging current or discharging, and the battery fault light is flashing.
  • Page 27 BATTERY SYSTEM in the battery, but the after-sales service SHUTDOWN CANNOT batteries are not working START properly OTHER EXCEPTIONS Humidity, cell expansion, Please contact the FAULT RED frost-Defrost, unbalances etc. after-sales service WeCo FZ LLC Page 27 of 46 wecobatteries.com REV20201101...
  • Page 28: Software Guide

    FOR AUTHORIZED TECHNICIANS ONLY 8 SOFTWARE GUIDE WECO OLP RS232 (USB / RS232 converter is necessary to communicate with the battery) *PC -Battery communication and set up for 232-USB device is available for auth. Installers. Launch the EXE file “WeCo Monitor” and wait for the self-installation to complete From the main page select “USER FREE ACCESS”...
  • Page 29 Connect the RS232 converter between the battery and the PC and search the relative com on the PC settings (device manager of Windows). Select the COM port from the Main page of the WeCo Monitor, then press CONNECT. Follow the instructions and wait for the data to appear on the screen.
  • Page 30 To manually adjust the battery parameters, select the “Operator Setting 1” tab which will allow you to make changes within permitted limits. This operation is possible only with batteries connected to the WeCo Server (Wifi or LAN) WeCo FZ LLC Page 30 of 46 wecobatteries.com...
  • Page 31 The normal mode for equalization is Auto mode, however in the unlikely event of a failure it is possible to perform a manual equalization. If it is necessary to perform a manual equalization, please contact WeCo support for further advice. Reference to the CELL EQUALIZATION MANUAL (not public) will be necessary to activate the manual procedure.
  • Page 32: Product Compatibility List (See Also 8.5)

    9 PRODUCT COMPATIBILITY LIST (See Also Section 8.5) WeCo FZ LLC Page 32 of 46 wecobatteries.com REV20201101...
  • Page 33 NO CANBUS CONNECTION AVAILABLE (INVERTER SETTINGS) Any inverter can be used with WeCo Batteries by setting the voltage and Current Value as per Battery datasheet. Description Inverter Low Voltage Inverter High Voltage STD Charging Current STD Discharging CUT OFF CUT OFF...
  • Page 34: Single Cluster Configuration 100A

    For the Single Cluster configuration with standard 25 mm² AWG cables do not exceed the current ratings listed in the chart below. Single Cluster Maximum Charge/ Discharge Number of batteries in parallel with 25mm² parallel connection cable Amps 190A-(210Peak) 270A-(290Peak) 270A-(310Peak) 400A-(420Peak) WeCo FZ LLC Page 34 of 46 wecobatteries.com REV20201101...
  • Page 35 Bus Bar is mandatory for systems above 100A Connect two 50 mm² AWG Wire of the same length on each terminal as shown above DO NOT USE DIFFERENT BUS BAR TYPES OR CABLES WeCo FZ LLC Page 35 of 46 wecobatteries.com...
  • Page 36: Multi Cluster Hub Controller (We-Hub)

    Power Supply LED Status To order the We-HUB, use the kit code “Master HUB 300 LV-5” 1 x WeHUB Parallel Controller Both Items Ship in One Box 1 x WeHUB Cable Power Supply WeCo FZ LLC Page 36 of 46 wecobatteries.com REV20201101...
  • Page 37 If the warning state does not clear within 5 minutes, the cluster will shut down and a manual reconnection is required. Precautionary checks in accordance with this manual must be carried out. WeCo FZ LLC Page 37 of 46 wecobatteries.com...
  • Page 38 25.0 29.6 37.0 13.5 24.3 25.9 34.5 39.2 16.9 27.3 32.4 39.2 39.2 Inverter charging and discharging current must be limited as per the tables contained in Section-13 of this manual. WeCo FZ LLC Page 38 of 46 wecobatteries.com REV20201101...
  • Page 39: Multi Cluster Connection

    The correct sizing of cable and bus bar kits should be installed in accordance with this manual The following illustration depicts a maximum configuration with five (5) clusters each having five (5) battery modules. All connections external to the battery modules must be in compliance with local regulations. WeCo FZ LLC Page 39 of 46 wecobatteries.com...

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