Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Weco 4K4LT
Summary of Contents for Weco 4K4LT
- Page 1 I n s t a l l a t i o n M a n u a l 4K4LT Low Voltage Module...
- Page 2 The 4KLT battery is a different model from the previous 4K4, 4K4 PRO series. 4K4LT has different technical characteristics from the 4k4PRO and therefore the connection with previous models must be evaluated and understood before being implemented by the installer.
- Page 3 Depth of discharge (DoD %) The depth of discharge a is a function that is implemented through the setting of the hybrid inverter, compatible with WeCo. The deeper the discharge, (e.g., DoD 100% means a completely discharged battery), the shorter the battery life in its estimated lifetime.
- Page 4 It is essential that the battery unit is equipped with the latest firmware version available on the www.wecobatteries.com website. From time to time, WeCo will release a new firmware to improve the functionality and capabilities of the battery, if your battery will be equipped with WiFi (optional item) and you will be registered on our APP, the new firmware will be visible and updatable from the APP.
- Page 5 ATTENTION: it is necessary to use appropriate mechanical lifting equipment as the battery module weighs 47 Kg. DISPOSAL INFORMATION At the end of their life, these batteries must be properly disposed of by a certified professional company in accordance with applicable laws. WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00 24/01/2023...
-
Page 6: Table Of Contents
6.2 Stand-alone battery front panel control 6.2.1 Switching on the fuel. 6.2.2 Switching off the battery. 6.2.3 Low battery force charge function 6.3 Parallel battery configuration 6.3.1 Activation of parallel batteries 6.3.2 Switching off parallel batteries. TROUBLESHOOTING WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00 24/01/2023... -
Page 7: Preface
This battery can only be transported and stored with the original cardboard box approved, certified according to UN CLASS 9 Y80 ✓ This battery should be stored in its original cardboard box in a dry and cool place, the WeCo cardboard box is marked as below ✓... -
Page 8: Information In This Manual
2.1 About this manual This manual refers only to the universal low-voltage stackable model 4K4LT. This manual is intended to be used only by qualified installers for the evaluation and installation of the product who must carefully read and always refer to the manual to ensure maximum safety and correct product operation. -
Page 9: Warnings And Notifications
The weight of a single 4K4LT battery is 47 kg, please use the original packaging and take all safety precautions if the battery needs to be repositioned in another position, to avoid product damage and personal injury. -
Page 10: Product Overview
4.1 Product Introduction The 4K4LT series batteries can be used as an on-grid or off-grid energy storage system. It is recommended that you do not use this product for any purpose other than that intended as described in this document. - Page 11 The label also shows the serial, the date of production within the serial (week / year) the production line, and the progressive serial number. SERIAL NUMBER DEFINITION WE 4K4L 00 2 23 01 4 000001 Model Type Batch + progressive Internal Code Production Line Year of Production Week of Production WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00 24/01/2023...
- Page 12 EC Declaration of Conformity (GENERIC) The document reported here is for illustrative purposes only. The original statement is present in the battery box. WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00 24/01/2023...
- Page 13 Storage instructions and Emergency number for goods DG9 shelf goods management The bags contained inside the cardboard box are produced with compostable and biodegradable materials. They are characterized by printing as in this example. WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00 24/01/2023...
- Page 14 During a failure or error, the LED bar displays the SOC value for 5 seconds, then displays the battery failure status for 5 seconds, alternately. In the event of a permanent error, the LED bar will turn solid red. WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00...
-
Page 15: System Installation
The battery must be easily accessible in a dedicated technical room, the presence of accumulators must be reported for the Fire Department or the Police. It must be equipped with a disconnector interposed between the inverter and the battery: the 4K4LT model is not equipped with a contactor but with MOSFET, i.e., a solid-state relay inside the BMS circuit. - Page 16 Accessory Accessory sold Copper bus bar for parallel Bus bar separately connection Accessory Accessory sold Wifi and Bluetooth for WeCo WiFi Dongle separately APP use Rubber supports with double- Accessory Accessory sold Rubber insulated supports sided adhesive for first stack...
-
Page 17: Installation Procedure (Wall Mounting)
Prepare the installation area considering the size and weight of the battery. The weight of the battery is about 50 kg. The wall or floor must be able to support the weight of the battery. WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00... - Page 18 Step 1: Install the fixing screws on the appropriate wall height. When installing screws, please check the size of the wall plug, WeCo provides 4x φ10*60mm, but you may need a different size or type depending on the actual installation surface.
- Page 19 Keep 20 cm between batteries and/or between walls and other objects on the left and right side. Keep at least 40 cm from the ceiling. The underside of the battery is recommended both at least 100 cm from the floor for easier maintenance. WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00...
-
Page 20: Installation Procedure (Stacked Mounting)
The rear surface must be free from any object otherwise it could damage the underlying battery or be a hindrance due to the possible passage of cables in the space between the floor and the lower part of the first battery. WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00... - Page 21 Step 3: Loosen and place the second battery on top of the first that is already installed on the floor. The following will then be removed and used to interlock one module to another. Rubber backings (sold separately) WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00 24/01/2023...
- Page 22 Each battery weighs about 50 kg and must be installed with the aid of a mechanical lift, and/or with at least two people equipped with suitable suction cups for lifting or with lifting belts. At this point you can proceed with the wiring. WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00...
- Page 23 INSTALL BAR BUS AND RS-485 RJ45 COMMUNICATION CABLE To allow cables or bus bars to pass from one battery to another, the front protection highlighted below must be removed. INSTALL BUS BAR MODEL 4K4LT (Accessory not included) ON THE TERMINAL LV BLOCK or properly prepared cables <...
- Page 24 ON (I). Try to start the system by turning on only the master module: if the installation is set correctly all modules will turn on in sequence. Reassemble the protective front plate to protect the power and communication terminals. WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00...
- Page 25 During the quarterly check, make sure that the START and STOP phases are functioning correctly. Clean the RJ45 ports and clean the side louvers for ventilation. Check the correct functioning of all RS485 and CAN communication devices WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00...
-
Page 26: Communication And Control Panel
RS 485 port for Daisy Chain modules connection in parallel RS485B Parallel line RS485 RS 485 port for Daisy Chain modules connection in parallel Positive POLE Screw terminal 2 X positive Negative POLE Screw terminal 2 X negative WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00 24/01/2023... - Page 27 Internal Layout. (Do not open the lid so as not to lose the right to the warranty) INTEGRATED BMS + MOSFET FUSE CCN 150A Module 8S B+CCS Board Module 8S A+CCS Board WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00 24/01/2023...
-
Page 28: Dip Switch Settings
The battery module must be restarted for the DIP switch settings to take effect. When connecting to an inverter that has BMS-CAN communication, switch #5 on the master battery module should always be set to "ON". WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00... - Page 29 In case of incorrect installation of RS485 cables and / or incorrect setting of DIP switches it will be necessary to turn off all batteries. • manually and correct the configuration/setting and repeat the power sequence (see following pages). SINGLE BATTERY WIRING CAN/BMS to Inverter MASTER DIP SWITCH 00000000 (OFF) WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00 24/01/2023...
- Page 30 ATTENTION, DIP ALL OFF RS485 B SLAVES From 1 to n RS485 B SLAVE BATTERY MODULES TO CELEBRATE 1 and SLAVE 6 RS485 B DIP 00000000 (OFF) LAST SLAVE 7 ATTENTION, DIP 6 ON WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00 24/01/2023...
-
Page 31: Battery Activation And Shutdown
The battery has been activated normally and the circuit is closed when the green light of the LED becomes fixed. 6.2.2 Turn off the battery. Long press the power button for three to five seconds. The green light of the power button turns off. The battery was turned off normally. WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00 24/01/2023... - Page 32 In case of voluntary shutdown of a slave battery, in order to restart the cluster, it will FIRST be necessary to turn off all the batteries and proceed to a new automatic start, as described in the procedure in point 6.3 of this manual. WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00...
- Page 33 DC CIRCUIT SECTIONING WeCo recommends the installation of a bipolar disconnector for direct current interposed between the battery or several batteries and inverters. In some countries it is mandatory, so it is not possible in this manual to give detailed indications to define the type and standard of this device.
- Page 34 If the LED bar shows all the red LEDs, the battery cannot be charged. If the LED bar and the RUN button do not light up, it means that the battery is in a state of excessive discharge and must be sent for service. WeCo Srl Italy www.wecobatteries.com 4K4LT V1.00...
- Page 35 The 4K4LT battery can be equipped with an external dongle with WiFi and Bluetooth function. The Dongle is supplied as an accessory and can be used through the two APPs made available by WeCo, downloadable from APPLE STORE and GOOGLE PLAY.
- Page 36 For use with WeCo batteries, any of the approved inverters must be used, which must operate within the parameters indicated below. These parameters may be above or below the range provided in the performance warranty, so always refer to the WeCo limited warranty in order to set the inverter working parameters in accordance with the warranty, if the customer intends to comply with them to benefit from the performance guarantees.
- Page 37 490x580x155mm Weight 47Kg WeCo 4K4LT has a special chemical composition lithium iron phosphate. After the charging period, compared to the maximum voltage reached at 100% SoC, the total voltage can drop to about 53V: this is normal behavior. When the battery reaches the maximum voltage or cut-off threshold (SorC 100%) do not continue charging the battery.
- Page 38 This manual is subject to continuous implementation. Before installing WeCo batteries, please contact our support team for the latest manual and any additional support. Improving security is our priority. Any suggestions are welcome and we thank you so far for your cooperation to improve the system.
Need help?
Do you have a question about the 4K4LT and is the answer not in the manual?
Questions and answers