EG4 EG4-LL Manuale utente

Version 1.0.0 | Information subject to change without notice.

User Manual

EG4-LL 12v 400AH

Contents

Contents........................................................................................................................................................ 1

1Safety .................................................................................................................................................... 3

1.1 Safety Instruction.......................................................................................................................... 3

1.2 Important Safety Notifications...................................................................................................... 3

2Brief Introduction.................................................................................................................................. 5

2.1 Product Description ...................................................................................................................... 5

3Installation ............................................................................................................................................ 5

3.1 Packaging List and Placement ....................................................................................................... 5

3.2 Location Selection and Installation............................................................................................... 5

3.2.1 Storage .................................................................................................................................. 5

3.2.2 Requirements for Installation ............................................................................................... 6

3.2.3 General Installation............................................................................................................... 7

3.2.4 Installation in EG4 Battery Rack............................................................................................ 8

3.3 Battery Overview .......................................................................................................................... 9

3.3.1 System Connections.............................................................................................................. 9

4Operation Guide.................................................................................................................................. 11

4.1 Battery Communications ............................................................................................................11

4.1.1 Connecting multiple batteries in parallel............................................................................ 11

4.1.2 DIP Switch ID Table .............................................................................................................11

4.2 LCD Screen .................................................................................................................................. 12

4.2.1 Button description .............................................................................................................. 12

4.2.2 Waking up the LCD screen ..................................................................................................12

4.2.3 Cell information .................................................................................................................. 13

4.2.4 Temperature Information...................................................................................................13

4.3 Communication Protocol Selection ............................................................................................13

4.3.1 Protocol Change/Selection Procedure................................................................................13

4.4 BMS Tools Installation and Interfacing .......................................................................................14

4.4.1 Downloading and Installing BMS Tools...............................................................................14

4.4.2 Interfacing with BMS Tools ................................................................................................. 17

4.4.3 Interface menu definition ................................................................................................... 18

4.5 Installing and using EG4 Bluetooth App...................................................................................... 19

4.6 Battery Charging ......................................................................................................................... 21

4.6.1 Charge cycle ........................................................................................................................ 21

5Troubleshooting, Maintenance & Disposal.........................................................................................21

5.1 Introduction to the BMS ............................................................................................................. 21

5.1.1 BMS Protection ................................................................................................................... 21

5.2 Troubleshooting.......................................................................................................................... 22

5.2.1 Alarm Description and Troubleshooting............................................................................. 22

5.3 Battery End of Life.......................................................................................................................24

6EG4 Warranty...................................................................................................................................... 24

6.1 Warranty Exclusions.................................................................................................................... 24

7Technical Specifications ......................................................................................................................25

7.1 Technical Specifications Table .................................................................................................... 25

7.2 Battery Performance Curves.......................................................................................................26

1Safety

1.1 Safety Instruction

Before any work begins, carefully read all safety instructions, and always observe them when working on

or with the battery. The installation must follow all applicable national or local standards and

regulations.

Incorrect installation may cause:

•injury or death to the installer, operator or third party

•damage to the battery or other attached equipment

1.2 Important Safety Notifications

There are various safety concerns that must be carefully observed before, during, and after the

installation, as well as during future operation and maintenance. The following are important safety

notifications for the installer and any end users of this product under normal operating conditions.

Dangers of High Voltages and Large Current

1. Do not disassemble the battery. Contact your distributor for any warranty issues in need of

repair for proper handling instructions. Incorrect servicing or re-assembly may result in a risk of

electric shock or fire and voiding of warranty.

2. Use caution when working with metal tools on or around batteries and system. Risk of

electrical arcs and/or short circuiting of equipment can lead to severe injury or death and

equipment damage.

3. Beware of high battery current. Please ensure that the battery module breakers and/or on/off

switches are in the “open” or “off” position before installing or working on the battery. Use a

voltmeter to confirm there is no voltage present to avoid electric shock.

4. Do not make any connections or disconnections to the system while the batteries are

operating. Damage to system components or risk of electrical shock may occur if working with

energized batteries.

5. Make sure the battery and rack are properly grounded.

6. An installer should make sure to be well protected by reasonable and professional insulative

equipment [e.g., personal protective equipment (PPE)].

7. Before installing, operating, or maintaining the system, it is important to inspect all existing

wiring to ensure that it meets the appropriate specifications and conditions for use.

8. Ensure that the battery and system component connections are secure and proper to prevent

damage or injuries caused by improper installation.

Warning

1. All work on this product must be carried out by qualified personnel. To reduce the risk of

electric shock, do not perform any servicing other than that specified in the operating

instructions unless you are qualified to do so.

2. Read all instructions before commencing installation. For electrical work, follow all local and

national wiring standards, regulations, and these installation instructions. All wiring should be in

accordance with the National Electrical Code, ANSI/NFPA 70.

3. The battery and system can connect with the utility grid only if the utility provider permits.

Consult with your local AHJ prior to the installation of this product for any additional regulations

and requirements for your area.

4. All warning labels and nameplates on this battery should be clearly visible and must not be

removed or covered.

5. The installer should consider the safety of future users when choosing the battery’s correct

position and location as specified in this manual.

6. Please keep children away from touching or misusing the battery and relevant systems.

7. Never charge a battery below the specified minimum charging temperature or damage may

occur. Please refer to this manual or spec sheet for charging parameters.

DISCLAIMER

EG4 reserves the right to make changes to the material herein at any time without notice. You may refer

to the EG4 website at www.eg4electronics.com for the most updated version of our manual.

2Brief Introduction

2.1 Product Description

The EG4 12V-LL rack-mounted lithium batteries are ideal for low-voltage energy storage system

applications. These batteries use lithium iron phosphate cells with the highest safety performance and a

battery management system (BMS) that can monitor and collect voltage, current, and temperature of

each cell within the module in real time. The BMS also includes a passive balance function and an

advanced battery control strategy, which can help improve the battery pack's performance. The battery

includes dual, onboard, fire-extinguishing modules for added safety.

3Installation

3.1 Packaging List and Placement

Packaging List

When the product is unpacked, the contents should match those listed below:

3.2 Location Selection and Installation

3.2.1 Storage

There are a few steps you can take to ensure that batteries are stored safely and in a state that will

ensure they are not damaged during storage. These are detailed below.

Battery State

The state of the battery when placed into storage will affect how long it can be stored as well as the

battery’s condition when it is brought out of storage. EG4 recommends that each battery is brought to a

100% SOC (state of charge) before placing it in storage. Lithium iron phosphate batteries will lose a

certain percentage of their total charge while in storage, depending on how long they are stored and the

conditions they are stored in. We recommend recharging the batteries after 8 – 9 months in prolonged

storage.

Environmental Factors

The environment you store your EG4 battery in can greatly affect the health of the battery. For best

results, the temperature should remain moderate, between 41°F and 68°F (5°C and 20°C). Keep the

battery away from locations where it may get wet or locations with high humidity (>55%). Store the

batteries away from combustible materials.

(1) EG4-LL

battery module

(1) Inter-battery

communication cable

(1) ea. 2 AWG Positive

and Negative color-

coded connection cables

(2) M8-1.25

Terminal Bolts

Battery to PC -USB

Communication

Cable

3.2.2 Requirements for Installation

Warning

•Before using batteries, inspect them for signs of damage. Never use damaged or puffy batteries.

Please contact the distributor if a battery is received in this state or experiences this issue.

•Avoid exposing batteries to conductive materials, such as water, strong oxidizers, and strong

acids.

•Avoid putting batteries in direct sunlight or on extremely hot surfaces.

•Keep all flammable materials out of the working area.

•Use caution when handling batteries and/or battery-powered devices to avoid damaging the

battery casing or connections.

Important

Never position the battery upside down or face down!

Acceptable

Best

3.2.3 General Installation

Note: This chart applies for a 200A continuous output (one battery). Where ambient temperature is

above 86°F (30°C), cable size must be increased according to NEC 310. The 2 AWG cable included in the

package is intended only for the connection from the module to an EG4 battery rack.

Danger

When adding or removing a battery from any rack, cabinet, or busbar, turn off ALL batteries, and

use a voltmeter to confirm there is no voltage present. This will prevent users from encountering live

(powered) busbars by accident. Failure to do so can result in severe injury and/or death.

Tools needed for installation

The tools required may vary depending on how you choose to mount your battery. Typically, the

following items are needed to install the battery into an EG4 battery rack solution or general racking.

1. 13mm socket and ratchet

2. Phillips head screwdriver

3. Torque wrench

4. M8-1.25 terminal bolts (included in package)

Connecting cables to the battery terminals and busbars

1. Identify the positive and negative terminals on your battery. These are labeled and color coded

(red for positive, black for negative).

2. Verify you have all hardware to attach the cable properly. Check to ensure the bolt threads fully

into the terminal and can be tightened to the proper torque.

3. Connect the cables to your battery terminals by removing the M8 terminal bolts, inserting them

through the eyelet of the proper cable, and reseating the bolt into the terminal block to the

correct torque.

4. Connect the positive battery cables to your positive busbar by removing the bus bolts, inserting

them through the eyelets of the proper cable, and reseating the bolt into the busbar to the

proper torque value. Repeat with all negative cables.

5. DO NOT finger tighten the battery terminal bolts. They require a specific torque to ensure they

do not loosen during operation. Failure to properly tighten the terminal bolts can result in

serious damage and will void your warranty.

Cable size

Min. Insulator Voltage

Torque Value

Distance

2/0 AWG (min.) 600V 60 in. lbs. (7 Nm) 10 ft.

4/0 AWG 600V 60 in. lbs. (7 Nm) 18 ft.

3.2.4 Installation in EG4 Battery Rack

1. Insert the battery into the rack slot, beginning with the top slot and progressing downward. Slide in

until the battery is firmly seated in the rack.

2. Follow steps 1-3 in Connecting cables to the battery terminals and busbars from Section 3.2.3 -

General Installation. Use the included 2 AWG

power cable to connect each battery to the

busbar.

3. DO NOT finger tighten the battery or busbar

terminal bolts. Both require a specific torque

[60 in. lbs. (7 Nm)] to ensure they do not

loosen during operation. Failure to properly

tighten the terminal bolts can result in serious

damage and will void the warranty.

4. Clearly identify the location of the system’s

positive and negative terminals—red to the

positive terminal and black to the negative

terminal—to ensure no connection errors.

Then connect to the equipment or switch

terminals.

Grounding

You can attach a grounding wire from the

rack/cabinet to an equipment grounding

conductor, then terminate the EGC at a grounding

electrode.

Warning

Do not ground rack/cabinet or door to

negative or positive bus bars!

In this image, there are 6 EG4-LL

12V 400Ah batteries wired in

parallel. This battery bank still

maintains the appropriate 12V

needed for a system. However,

the Amp hour rating of this bank has

increased to 2400Ah. In addition, the potential

output amperage of the rack increases. Size

main battery cables appropriately! Refer to an

NEC approved ampacity chart for specifications.

3.3 Battery Overview

3.3.1 System Connections

An example system connection diagram with 12V Victron Phoenix Inverter Smart is as below:

Note: During single-battery operation, the battery terminals can directly connect to the equipment.

Overview of System Components

This unit contains two

aerosol fire-fighting

modules inside the

battery for safety

measures.

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