EG4 EG4-LL-S Manuel utilisateur

User Manual

EG4®-LL-S 100AH

Rack-Mounted Battery

Version 2.1.1 | Information subject to change without notice.

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Table of Contents

1 Safety........................................................................................................................................................................ 2

1.1

Safety Instruction ............................................................................................................................................. 2

1.2

Important Safety Notifications ......................................................................................................................... 2

2 Brief Introduction ..................................................................................................................................................... 4

2.1

Product Description.......................................................................................................................................... 4

3 Battery Overview...................................................................................................................................................... 4

3.1

System Connections ......................................................................................................................................... 4

3.2

Overview of System Components..................................................................................................................... 5

3.2.1 Battery Diagram ....................................................................................................................................... 6

3.2.2 Emergency Stop (RSD, ESS Disconnect) ................................................................................................... 7

4 Installation................................................................................................................................................................ 8

4.1

Packaging List and Placement........................................................................................................................... 8

4.2

Location Selection and Installation................................................................................................................... 8

4.2.1 Storage ..................................................................................................................................................... 8

4.2.2 Requirements for Installation................................................................................................................... 9

4.2.3 General Installation ................................................................................................................................ 10

4.2.4 Installation in EG4® Battery Rack............................................................................................................ 11

4.3

Battery Communications ................................................................................................................................ 12

4.3.1 Connecting multiple batteries in parallel ............................................................................................... 12

4.3.2 Communication Cable Pinout and DIP Switch ID Tables......................................................................... 12

4.4

Installing with Different EG4 ® Battery Models .............................................................................................. 14

5 Battery Operation................................................................................................................................................... 15

5.1

LCD Screen...................................................................................................................................................... 15

5.1.1 Button description.................................................................................................................................. 15

5.1.2 Waking up the LCD screen...................................................................................................................... 15

5.1.3 Cell Information...................................................................................................................................... 16

5.1.4 Temperature Information....................................................................................................................... 16

5.2

Communication Protocol Selection ................................................................................................................ 17

5.2.1 Protocol Change/Selection Procedure ................................................................................................... 17

5.3

BMS Tools Installation and Interfacing ........................................................................................................... 18

5.3.1 Downloading and Installing BMS Tools................................................................................................... 18

5.3.2 Interfacing with BMS Tools .................................................................................................................... 21

6.3.2 Interface menu definition....................................................................................................................... 22

5.4

Battery Charging............................................................................................................................................. 24

5.4.1 Charge cycle ...............................................................................................Error! Bookmark not defined.

6 Troubleshooting, Maintenance & Disposal ............................................................................................................ 24

6.1

Introduction to the BMS ................................................................................................................................. 24

6.1.1 BMS Protection....................................................................................................................................... 24

6.2

Troubleshooting ............................................................................................................................................. 25

6.2.1 Alarm Description and Troubleshooting................................................................................................. 25

6.3

Battery End of Life .......................................................................................................................................... 27

7 EG4® 10 Year Limited Warranty.............................................................................................................................. 27

8 Technical Specifications.......................................................................................................................................... 28

8.1

Technical Specifications Table ........................................................................................................................ 28

8.2

Battery Performance Curves........................................................................................................................... 30

Abbreviations

•A — Amp(s)

•Ah — Amp hours

•AC — Alternating Current

•AHJ — Authority Having Jurisdiction

•ANSI — American National Standards Institute

•AWG — American Wire Gauge

•BMS — Battery Management System

•DC — Direct Current

•DIP — Dual In-line Package

•EG — Equipment Ground

•EGC – Equipment Grounding Conductor

•ESS — Energy Storage System

•In. lbs. — Inch Pounds

•kW — Kilowatt

•kWh — Kilowatt-hour

•LFP — Lithium Iron Phosphate

•mm — Millimeter(s)

•mV — Millivolt(s)

•NC — Normally Closed

•NEC — National Electrical Code

•NFPA — National Fire Prevention Association

•Nm — Newton meters

•NO — Normally Open

•PC — Personal Computer

•PCB – Printed Circuit Board

•PPE — Personal Protective Equipment

•PV — Photovoltaic

•RSD — Rapid Shut Down

•SOC — State of Charge

•V — Volt(s)

1 Safety

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. Consult with your AHJ to obtain the proper permits and permissions

before installation.

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

AVERTISSEMENT: Circuits à tension élevée!

1. Do not disassemble the battery. Contact your distributor for any 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 the warranty.

2. Never short-circuit DC inputs. Short-circuiting your battery may result in a risk of

electric shock or fire and can lead to severe injury or death and/or permanent damage to

the unit and/or any connected equipment.

3. Use caution when working with metal tools on or around batteries and

systems. Risk of electrical arcs and/or short circuiting of equipment can lead to

severe injury or death and equipment damage.

4. 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.

5. 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.

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

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

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

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

existing wiring to ensure it meets the appropriate specifications and conditions for

use.

9. 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 (NEC), 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 before installing 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. Battery is designed to stop charging at 32°F. If charging current is observed when the internal

battery temperature is below 32°F, disconnect battery immediately and consult manufacturer.

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.

2 Brief Introduction

2.1

Product Description

The EG4® 48V-LL-S 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 contains a

passive balance function and an advanced battery control method, both of which can help

improve the performance of the battery pack. For enhanced security, the battery has two

onboard fire-extinguishing modules.

3 Battery Overview

3.1

System Connections

Below is an example system connection diagram with an EG4 charge controller and EG4 inverter:

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

3.2

Overview of System Components

The battery module is made up of sixteen "AAA" grade cells, a BMS, a housing, a breaker, and

wire. It can be installed in a standard 19-inch cabinet and communicates with external devices

via CAN/RS485 as well as with other EG4® batteries via RS485. The modules can be

connected in parallel to meet expansion requirements. Inter-battery communications support a

maximum of 64 modules for the 6 DIP switch model or 16 modules for the 4 DIP switch model.

*This image is for display

purposes only. Do not open your

battery! Doing so without proper

authorization will void your

warranty

This unit contains

two aerosol fire-

fighting modules

inside the battery

for safety

measures.*

3.2.1 Battery Diagram

No. Item Description Remarks

1 Positive terminal M6 bolt (x2)

2 RS485 port RS485 communication interface

Pin 1 & Pin 8 ‒RS485_B

Pin 2 & Pin 7 – RS485_A

3 CAN port CAN communication interface

Pin 4 – CAN_H

Pin 5 – CAN_L

4 ALM LED Alarm status LED

5 RUN LED Operation status LED

Always on if system is

running

6 Reset button Emergency reset

7 ON/OFF button Turns BMS on/off

8 Circuit breaker Shuts down power supply

9 Negative terminal M6 bolt (x2)

Battery-Comm

ports

Parallel battery communication

port

Pin 1 & Pin 8 ‒RS485_B

Pin 2 & Pin 7 – RS485_A

11 SOC LED State of charge LED

4 green lights = full

charge

ID Board DIP switch board for BMS May be 4 or 6 DIP

13 LCD Display Shows battery information

14 Ground screw Provides safe route for grounding

15 Handle For carrying/handling battery

3.2.2 Emergency Stop (RSD, ESS Disconnect)

The optional ESS disconnect can

be used to shut down all batteries

and inverters (if equipped) with

the push of a button.

This integrated safety feature ties

directly into the battery

communication system via an

open Battery-Com port using a

standard Cat-5/6 ethernet cable.

Pins 3 & 6 are used to

communicate the emergency

stop information to the batteries

once the stop button is pressed.

If the inverter is equipped with

rapid shut down (RSD)

capabilities, the emergency stop

feature can be used to initiate

this function. Check with your

AHJ and NEC code for

compliance.

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