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Victron energy Lynx Smart BMS User Manual

Victron energy Lynx Smart BMS
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Lynx Smart BMS
ENGLISH

Table of Contents

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Victron energy Lynx Smart BMS Specifications

General IconGeneral
BrandVictron energy
ModelLynx Smart BMS
CategoryController
LanguageEnglish

Summary

Safety Precautions

Safety Warnings Lynx Distribution System

Safety warnings for working with the Lynx Distribution System, emphasizing unpowered busbars.

Transport and Storage

Guidelines for storing the Lynx Smart BMS, including temperature and dry environment requirements.

Introduction

The Lynx Smart BMS

Overview of the Lynx Smart BMS, its components, and communication capabilities.

VictronConnect App

Details on using the VictronConnect App for monitoring and setup of the Lynx Smart BMS.

GX device

Information on connecting and monitoring the Lynx Smart BMS with a GX device.

Lithium Smart Batteries

Description of Victron Energy's Lithium Smart batteries compatible with the Lynx Smart BMS.

The Lynx Distribution System

Overview of the modular Lynx Distribution System components and their functions.

Features

Internal parts and wiring diagram Lynx Smart BMS

Diagrams showing the internal components and wiring of the Lynx Smart BMS.

Contactor

Explanation of the contactor's function for battery protection and system on/off control.

Remote on/off switch

How to use the remote on/off terminals to switch the Lynx Smart BMS on or off.

Pre-charge circuit

Details on the pre-charge circuit for capacitive loads and error handling.

Fans

Information on the built-in fans and conditions under which they operate.

Battery Management System

Explanation of the BMS functions, including pre-alarm and allow-to-charge/discharge signals.

Battery Monitor (shunt)

Description of the integrated battery monitor and its data readout methods.

Alarm relay

Details on the alarm relay functionality and its activation conditions.

AUX connection

Information about the auxiliary power output and its recommended use for the GX device.

Communication and interfacing

The VictronConnect App

Using the VictronConnect App for settings and monitoring via Bluetooth.

GX Device and the VRM Portal

Connecting to GX devices and the VRM portal for monitoring and remote access.

Communication Lynx Distributor

How Lynx Distributors communicate with the Lynx Smart BMS via RJ11 cables.

DVCC

Using DVCC to control chargers and solar chargers based on battery state.

NMEA 2000

Establishing NMEA 2000 communication via the Lynx Smart BMS VE.Can connection.

System Design

Designing a Lynx DC distribution system

Steps and considerations for designing a DC distribution system with Lynx modules.

Interconnecting Lynx modules

Guidance on physically connecting multiple Lynx modules together.

Orientation of Lynx modules

Correct orientation of Lynx modules for optimal performance and heat dissipation.

System example - Lynx Smart BMS, 2x Lynx Distributor and lithium batteries

Example of a system configuration with Lynx Smart BMS, two Distributors, and lithium batteries.

System example - Lynx Smart BMS, 1x Lynx Distributor and lithium batteries

Example of a system configuration with Lynx Smart BMS, one Distributor, and lithium batteries.

System Example - Lynx Smart BMS only

Example of using the Lynx Smart BMS standalone for simple DC systems.

System sizing

Guidance on selecting appropriate system components based on power and current requirements.

Current rating Lynx Smart BMS

Information on the current ratings and power capabilities of the Lynx Smart BMS.

Fusing

Guidance on external fusing requirements for the Lynx Smart BMS and connected modules.

Cabling

Recommendations for selecting appropriate cables and wiring for the Lynx Smart BMS.

Installation

Mechanical connections

Instructions for opening modules, connecting busbars, and mounting the assembly.

Electrical connections

Procedures for connecting DC wires, RJ11 cables, BMS cables, Multi connector, and GX device.

Make settings

Procedures for initial setup and configuration of the Lynx Smart BMS and its distributors.

Commissioning the Lynx Smart BMS

Commissioning sequence

A step-by-step checklist for commissioning the Lynx Smart BMS and system.

Operation Lynx Smart BMS

Powering up

Detailed steps involved in powering up the Lynx Smart BMS and its operational states.

BMS operation

How the BMS protects batteries and manages system states like sleep and hibernation.

Battery monitor operation

Explanation of the built-in battery monitor's functions and data tracking.

Battery care

Essential guidelines for maintaining battery health and longevity when using the BMS.

LED indications alarms and errors

Understanding the LED indicators for status, alarms, and error codes on the Lynx Smart BMS.

Battery monitor settings

Special note on the Lynx Smart BMS battery monitor settings

Key differences in Lynx Smart BMS battery monitor settings compared to other monitors.

Battery capacity

How to set the battery capacity parameter for accurate monitoring.

Charged voltage

Setting the charged voltage threshold for determining full charge and synchronization.

Tail current

Setting the tail current threshold for full charge detection and synchronization.

Charged detection time

Configuring the time duration for charged voltage and tail current to register a full charge.

Peukert exponent

Explanation of the Peukert exponent and its fixed value for Lithium Smart batteries.

Charge efficiency factor

Understanding the charge efficiency factor for compensating battery charging losses.

Current threshold

Setting the current threshold to ignore small currents for accurate state of charge readings.

Discharge floor

Parameter for time remaining calculation and state of charge alarm defaults.

SoC cycle end

Fixed setting for the state of charge cycle end.

SoC cycle

Fixed setting for the state of charge cycle.

SoC full discharge

Fixed setting for the state of charge full discharge.

Troubleshooting and Support

Lynx Smart BMS does not power up

Troubleshooting steps for issues where the Lynx Smart BMS fails to power up.

Lynx Smart BMS operational issues

Addressing common operational problems such as high current alarms and contactor issues.

BMS issues

Diagnosing and resolving various BMS-related issues like cell imbalance and premature shutdowns.

The BMS frequently disables the battery charger

Troubleshooting frequent charger disabling due to cell imbalance.

The BMS is prematurely turning chargers off

Diagnosing premature charger shutoff, potentially caused by cell imbalance.

The BMS is prematurely turning loads off

Resolving issues where the BMS prematurely turns off loads due to low cell voltage.

The pre-alarm setting is missing in VictronConnect

Understanding why the pre-alarm setting might be missing in VictronConnect.

BMS is displaying alarm while all cell voltages are within range

Troubleshooting alarms when all cell voltages appear normal, checking cables and connectors.

How to test if the BMS is functional

Procedures to test the functionality of the BMS by provoking alarm modes.

System in sleep or hibernate mode

Diagnosing and resolving issues related to the system entering sleep or hibernate mode.

Battery communication error

Troubleshooting battery communication errors indicated by LED flashing or GX device alarms.

Battery monitor issues

Addressing problems related to the battery monitor's readings and calculations.

Incomplete current reading

Resolving issues where current readings are incomplete or excluded from monitoring.

Incorrect state of charge reading

Troubleshooting inaccurate state of charge readings caused by settings or synchronization issues.

State of charge is missing

Resolving missing state of charge indications, often due to unsynchronized status.

State of charge does not increase fast enough or too fast when charging

Diagnosing incorrect state of charge changes during charging.

Synchronisation issues

Troubleshooting automatic synchronization failures for the battery monitor.

VictronConnect issues

Resolving problems encountered when connecting or using the VictronConnect App.

GX device issues

Addressing common issues related to GX devices, CAN-bus profiles, and cabling.

Warranty

Technical specifications Lynx Smart BMS

Appendix

Related product manuals