B4850 ESS Unit User Manual Statement of Law Copyright of this document belongs to Jiangsu Daqin New Energy Technology Co., Ltd. No part of this documentation maybe excerpted, reproduced, translated, annotated or duplicated in any form or by any means without the prior written autoorization of Jiangsu Daqin New Energy Technology Co., Ltd.
B4850 ESS Unit User Manual Safety Precautions Warning ⚫ Please do not put the battery into water or fire, in case of explosion or any other situation that might endanger your life. ⚫ Please connect wires properly while installation, do not reverse connect.
Preface Manual declaration B4850 lithium iron phosphate battery energy storage system can be combined in series or parallel to provide energy storage function for photovoltaic power generation users. Our product can store extra electricity into battery from photovoltaic power generation system in daytime and supply stable power to user’s equipment as power backup at nighttime or any time when...
B4850 lithium iron phosphate battery system is a standard battery system unit, customers can choose a certain number of B4850 according to their needs, by connecting parallel to form a larger capacity battery pack, to meet the user's long-term power supply needs. The product is especially suitable for energy storage applications with high operating temperatures, limited installation space, long power backup time and long service life.
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B4850 ESS Unit User Manual Battery voltage is higher than safe voltage, direct contact with electric shock hazard. Be careful with your actions and be aware of the dangers. Read the user manual before using. The scrapped battery cannot be put into the garbage can and must be professionally recycled.
B4850 ESS Unit User Manual Table 2-3 Interface Definition Item Name Definition OFF/ON, Power switch must be in the "ON" state when in use Ground Shell ground connection connection point Positive socket Battery output positive or parallel positive line Negative socket...
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B4850 ESS Unit User Manual 1. If the host is the latest B4850 battery with DIP switch: 2. If the host is a B4850 battery module without the DIP switch: (1) The communication cable from the host CAN IN to the inverter comm port should be the correct one.
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B4850 ESS Unit User Manual Figure 2-2 CAN/485 interface definition Front Plug Socket of communication port CAN/485 Table 2-4 Pin Definition Foot position Color Definition PIN1 Orange/white 485A PIN2 Orange XGND PIN3 Green/white 485B PIN4 Blue CANH PIN5 Blue/white CANL...
B4850 ESS Unit User Manual Caution: The buzzer sound alarm setting can be manually turned off on the background software, and the factory default is on. 2.4.3 Temperature Protection Low/Over temperature protection in charging: When battery’s temperature is beyond range of -5 ℃ ~+55 ℃ during charging, temperature protection is activated, device stops charging.
B4850 ESS Unit User Manual 3.1.1 Environmental requirements Working temperature: -20 ℃ ~ +55 ℃ • Charging temperature range is 0℃~+55 ℃, • Discharging temperature range is -20 ℃ ~+55 ℃ Storage temperature: -10 ℃ ~ +35 ℃ Relative humidity: 5% ~ 85%RH...
B4850 ESS Unit User Manual ⚫ Verify that the maximum operating current of the battery-powered user equipment (inverter DC input) should be less than the maximum discharge current of the products used in Table 2-2. The security check ⚫ Firefighting equipment should be provided near the product, such as portable dry powder fire extinguisher.
B4850 ESS Unit User Manual Black Communication /L250mm/Double parallel cable RJ45 plug Black Communication /L2000mm /Double cable-to inverter RJ45 plug Ground wire L500mm,4mm² User Manual B4850 User manual User Guide B4850 User guide Combination screws Screw M6*14 3.1.5 Engineering coordination Attention should be paid to the following items before construction: ⚫...
3.2.1 Installation preparation 1. Prepare equipment and tools for installation. 2. Check the B4850 unit and confirm that the ON/OFF switch is in the "OFF" state to ensure the device is shut off.. 3.2.2 Mechanical installation Installation method 1: With Cabinet installation 1.
B4850 ESS Unit User Manual Installation method 2: With Simple bracket installation 1. Place the B4850 and brackets as shown in the figure3-4, and insert the B4850 into the brackets.Use 4 screws to fix the module on the front bracket.
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B4850 ESS Unit User Manual It is better to add a circuit breaker between the inverter and the battery system. The selection of the circuit breaker requires: Voltage: U>60V Inverter power Current: I = The circuit breaker is installed between the battery module and the inverter, as shown in Figure...
3.2.5 Register on the website after installation After the battery system installation is completed and the running is normal, you need to log in to the DYNESS official website to register the product installation and use information to make the product warranty effective.
B4850 ESS Unit User Manual 4 Use, maintenance and troubleshooting 4.1 Battery system usage and operation instructions After completing the electrical installation, follow these steps to start the battery system. Refer to the description of the DIP switch of 2.3.1 to prepare the battery module before starting up, then press the ON/OFF button to the ON position, next press and hold the SW button for 3 seconds.
4.2 Alarm description and processing When protection mode is activated or system failure occurred, the alarm signal will be given through the working status indicator on the front panel of the B4850. The network management can query the specific alarm categories.
B4850 ESS Unit User Manual Alarm Statue Alarm category Processing indication Cell voltage undervoltage Buzzer Start charging start 4.3 Analysis and treatment of common faults Analysis and treatment of common faults in the Table 4-3: Table 4-3 Analysis and treatment of common faults...
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Jiangsu Daqin New Energy Tech Co., Ltd Address: 158# South Ji'an Road, Hi-Tech District, Yangzhou City, Jiangsu Province, China, 211400. Email: sales@dyness.net Website: http://www.dyness-tech.com.cn...
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