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Summary of Contents for EG4 EG4-LL
- Page 1 EG4-LL Rack Mounted 48V 100Ah/24V 200Ah User Manual 1.0.0...
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Page 2: Table Of Contents
Table of Contents EG4-LL Battery Diagram……………………………………………………….2 About This Manual……………………………………………………………...4 Introduction………………………………………………………………………5 Overview………………………………………………………………………….6 Installation………………………………………………………………………..6 EG4 Battery Rack Interface……………………………………………………6 Charging………………………………………………………………………….8 Introduction to the BMS……………………………………………………….9 Battery Communications…………………………………………………….10 LCD Screen and PC Software……………………………………………….11 Battery Storage………………………………………………………………..16 Battery End of Life…………………………………………………………….17 Troubleshooting……………………………………………………………….17 Warranty…………………………………………………………………………19... -
Page 3: Eg4-Ll Battery Diagram
EG4-LL Battery Diagram Item Function Description Remarks Grounding Provides a safe route for grounding screw Positive Positive battery connection M6 bolt (x2) terminal Display Shows battery information Breaker Power output switch Assigns unique address to each module DIP switch... - Page 4 CAN communication interface Inverter communication Reset Emergency restart button RS485 RS485 communication interface Inverter communication Alarm indication LED Battery-Comm Inter battery communication when paralleled Operation indication LED Always on when the system is running The state of charge 4 green lights mean fully charged Negative Negative battery connection...
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Page 5: About This Manual
About This Manual Purpose This manual describes installation, commissioning, operation, and troubleshooting. Please read the manual fully and carefully before installing and operating. Keep this manual for future use. Scope This manual provides basic installation guidelines as well as information on tools and wiring. Safety Notice Attention: The following contains important safety and operating instructions. -
Page 6: Introduction
Introduction Product Description EG4-LL Rack-Mounted lithium battery products are suitable for low-voltage small and medium-sized energy storage system applications. These products adopt the highest safety performance lithium iron phosphate cells, with a high-precision battery management system (BMS), which can monitor and collect voltage, current and temperature of each cell in the module in real time. -
Page 7: Overview
Overview Included Equipment When you purchase an EG4-LL battery, you will receive multiple items. These items will be included in the battery box, or separate packaging within your shipment. 1. (1) EG4-LL battery module 2. Inter-battery communication cable 3. Positive and Negative color coded connection cables... - Page 8 4. Communication cable installation - (When a single module is used, please ignore this step) When multiple batteries are connected in parallel, please set the address code of the battery according to the DIP Table (make sure there is no duplicate address code). Then connect the Battery-Comm interface of the battery to each other, finally RS485/CAN interface of the No.1 address battery connects to the inverter by communication cable.
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Page 9: Charging
In the above figure, there are 6 EG4-LL 48V 100Ah batteries wired in parallel. This battery bank still maintains the appropriate 48V needed for most Inverter/Charger systems. However, the Amp hour rating of this bank has increased to 600Ah. WARNING: Do NOT parallel batteries by using jumper wires on the double terminals. This will cause high amperage in the final jumpers and potentially excessive amperage on the battery terminals. -
Page 10: Introduction To The Bms
This protection also helps keep your battery and the battery cells operable for a larger number of life cycles. Each EG4-LL battery is specifically configured to ensure the optimal performance and operation of your equipment. -
Page 11: Battery Communications
Battery Communications Each EG4 is built with the user in mind, and designed to show you as much information as possible as easily as possible. We include an option to connect your battery to PC software to monitor the status of your battery. -
Page 12: Lcd Screen And Pc Software
LCD Screen and PC Software Each module has a built-in LCD display and the PC software is only suitable for installation; maintenance. LCD Display Introduction The LCD display is embedded in each battery module. It’s used to display important information about the cells. - Page 13 Main Page Information Description Battery module name 51.2V100Ah Battery status Standby Battery module voltage Vol：53.40V Battery module current Cur：0.0A Battery SOC SOC：84% System time 2000-00-00 00:00 Cell Information Press the “Enter” button, check the cell information, there are 2 pages, “Up” and “Down” to change the page.
- Page 14 6. Change address dip switches back to address 1 (Switch 1,2,3 down and Switch 4 up ) 7. Power the master pack on again, and the battery will correspond to the program. Protocol setting selection—RS485 RS485: P01-EG4 P02-GRW Growatt P03-LUX...
- Page 15 Protocol setting selection—CAN CAN: P01-GRW Growatt P02-SLK Sol-Ark P03-DY Deye P04-MGR Megarevo P05-VCT Victron P06-LUX Luxpower PC Software Installation The PC software provides a tool for temporary battery analysis and diagnostics. You cannot run the PC software and a closed loop inverter at the same time. Additionally, Address 01 will not communicate to PC software, to analyze the master battery you must temporarily change the address to a number other than Check the eg4electronics.com website to get the latest version of the software for free, and run the BMS_tools.exe program directly after unpacking.
- Page 16 Communication Connection 1. Connect the RS485/USB cable, and set the baud rate to 19200. 2. Press "Find Device" in the upper left corner. The software will automatically identify the connected battery pack. Interface menu definition Item Definition BMS monitoring Real-time data and status monitoring of the BMS BMS Parameter Setting BMS parameter Setting management (restricted, unauthorized...
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Page 17: Battery Storage
The state of the battery when placed into storage will affect how long it can be stored for as well as the condition when you begin using it again. EG4 recommends that each battery is brought to a SOC (state of charge) of 100% prior to placing it in storage. -
Page 18: Battery End Of Life
There are a number of online websites and organizations that will accept your battery to recycle at little to no cost to you. At EG4, we understand that we are working with customers across the United States and the world. Our best recommendation is to visit your favorite search engine, and search the term “Lithium Battery Disposal Near Me”. - Page 19 Common Faults and Solutions Number Fault Analysis Solution Inverter communication failure Check communication port Refer 8.4.2 connection, and battery ID setting No DC output Open breaker, or battery Check battery breaker, or voltage is too low charge the battery Power supply unstable Battery capacity is not at full Check for proper battery power...
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Page 20: Warranty
All installation advice provided by EG4 before, during, or after purchase of solar equipment is purely for the purpose of general concept education and must not replace the expertise of a licensed and trained solar specialist.
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