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LEOCH LFeLi-48 Series - User Manual

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LEOCH International Technology Limited
Integrated Lithium-ion Battery Pack for Telecom
User Manual
VersionV1.0
Released Date2018-08-10
Document NumberLB-LFeLi-48100TB-UM-EN-V1.0-201808
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Summary

FOREWORD

Overview of Manual Content

Manual describes installation, history, and parameter settings.

Target Audience Identification

Identifies target users for the technical details in the document.

Symbol Convention Explanation

Explains the meaning and usage of warning symbols.

Document Change History

Details revisions and changes made to the document over different versions.

OVERVIEW OF THE BATTERY PACK

Product Specification Details

Details the model designation and its components.

Product Profile and Features

Describes the battery group's development, features, and applications.

Product Structure and Appearance

Presents the physical appearance and overall design of the battery pack.

PRODUCT ILLUSTRATION AND INTERFACES

Front Panel Description

Details the components and layout of the battery pack's front panel.

Panel Effect Chart and Components

Illustrates the front panel with numbered components and their functions.

Handle Description

Describes the material and purpose of the battery pack's handle.

SOC (State of Charge) Indication

Explains the meaning of the SOC indicator lights and their relation to capacity.

Status Indicators (ALM, RUN)

Details the function and meaning of the ALM and RUN indicator lights for battery status.

Address Setting (ADD) via DIP Switches

Explains how to use the band switch (DIP switches) to set the address code for parallel operation.

RS232 Communication Interface

Describes the RS232 interface for data transfer and its connection schematic.

RS485 Communication Interface

Details the RS485 interface for data transfer and its connection schematic.

System Reset Functionality

Explains how to use the RST key to reset the device and ensure system stability.

Key Interface Functions (Dry Contact, Output, MCB, LCD)

Describes various interface functions like dry contact, output terminals, MCB, and LCD display.

LCD Menu Operation Guide

Guides users on navigating the LCD display interface and using its menu keys.

Button Functionality Descriptions

Details the specific functions assigned to each button on the LCD display interface.

Operation Procedures via Menu

Step-by-step guide on how to operate the battery pack through its menu interface.

Working Principle of Battery Pack

Explains the fundamental operation of the lithium battery pack's charge/discharge and monitoring modules.

Working Principle Diagram

Visual representation of the battery pack's internal functional blocks and power flow.

Key Product Features and Benefits

Highlights the key characteristics and advantages of the integrated lithium-ion battery pack.

INSTALLATION GUIDE

General Installation Precautions

Emphasizes compliance with laws, personnel requirements, personal safety, and field conditions.

Personnel and Safety Requirements

Details technician qualifications, safety practices, and personal protective equipment during installation.

Field and Environment Requirements

Specifies site requirements including cleanliness and environmental conditions for installation.

Environmental and Site Safety Conditions

Covers fire protection, ventilation, heat dissipation, and general installation site requirements.

Installation Site Environmental Specifications

Details ambient temperature, humidity, cooling, altitude, verticality, and pollution level standards.

Pre-installation Power and Grounding Checks

Guides on verifying inlet wire capability, power supply, ground wire, and DC output.

Critical Installation Safety Cautions

Lists critical safety warnings regarding dust, corrosive gases, items on the pack, and correct polarity.

Unpacking and Inspection Procedures

Covers unpacking, inspection of components, and recording of any transit damage or discrepancies.

Required Installation Tools

Lists general purpose, electrical, and measuring tools required for installation.

Electrical and Measuring Tools

Details specific tools needed for electrical connections and measurements during installation.

Installation and Wiring Procedures

Provides critical steps for safe installation, including power off, cleaning, bolt tightening, and personnel requirements.

Standard Cabinet Mounting Fixed

Explains how to mount the battery pack in a 19-inch standard cabinet using bolts and nuts.

Cabinet Installation Schematic

Illustrates the physical placement and mounting of the battery pack within a server cabinet.

Battery Output Connection

Details how to connect the battery output terminals to the DC switching power module using specified cables.

Multi-module Parallel Connection

Describes the procedure for connecting multiple battery modules in parallel for increased capacity.

Switch Power Supply Parameter Setting

Details the floating and uniform charge voltage parameters for the power supply module.

MAINTENANCE PROCEDURES

Electrical Maintenance Tasks

Outlines procedures for checking electrical components, fault inspection, and cable integrity.

Battery Maintenance Schedule and Guidelines

Provides guidelines for monthly, quarterly, and semi-annual battery maintenance tasks.

Malfunction Treatment Flowchart

Presents a step-by-step process for diagnosing and resolving battery pack malfunctions.

Troubleshooting Steps for Faults

Details the sequence of actions to identify, analyze, and resolve faults in the battery system.

Failure Modes and Solutions (Electrical)

Lists common electrical failures like over/under voltage and over current, with possible causes and solutions.

Failure Modes and Solutions (Temperature)

Details temperature-related failures (high/low ambient/battery) and their respective causes and remedies.

TECHNICAL SPECIFICATIONS

Single Module Technical Data

Presents key technical data like voltage, capacity, and charging/discharging currents for a single module.

Parallel Charging Parameters

Details charging parameters for multiple battery modules connected in parallel configurations.

Parallel Discharging Parameters

Lists discharging parameters for multiple battery modules connected in parallel configurations.

Discharge Performance Test Requirements

Describes testing methods and requirements for 0.1C, 0.5C, high, and low temperature discharge performance.

ENVIRONMENT PROTECTION AND RECYCLING

Environmental Label Information

Shows the environmental label indicating the product is green and recyclable.

Equipment Recycling Guidance

Provides guidance on proper recycling procedures for the used equipment to promote sustainable resource use.

APPENDIX AND INSTALLATION STEPS

Customized Connection Cable

Discusses customized wiring cables for parallel battery configurations and their requirements.

AWG Wire Gauge Table

Corresponds AWG line numbers to diameter, resistance, and current ratings for wiring selection.

Installation Steps Summary

Summarizes the preparation, location selection, and connection steps for installing the battery pack.

LEOCH LFeLi-48 Series Specifications

General IconGeneral
TypeLithium Iron Phosphate (LiFePO4)
Nominal Voltage48V
Capacity Range50Ah - 200Ah
Operating Temperature (Charge)0°C to 45°C
Operating Temperature (Discharge)-20°C to 60°C
Communication InterfaceRS485/CAN
Discharge Cut-off Voltage40V
Max Continuous Discharge Current100A
Max Continuous Charge Current50A
IP RatingIP20
Terminal TypeM8
ProtectionOvercharge, Over-discharge, Over-current, Short circuit
ScalabilityUp to 16 in parallel
BMS ProtectionYes, integrated BMS

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