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Redarc BCDC Series User Manual

Redarc BCDC Series
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BCDC
®
Dual Input Multi-Stage
In-Vehicle Battery Charger
MODELS:
BCDC1225D 25A
BCDC1240D 40A
BCDC1250D 50A
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Redarc BCDC Series Specifications

General IconGeneral
Input Voltage Range9 - 32VDC
Battery Chemistry CompatibilityAGM, Gel, Lithium (LiFePO4)
Solar InputYes
Charging StagesBulk, Absorption, Float
Protection FeaturesOver-voltage, over-temperature, reverse polarity
Efficiency96%
Output Voltage12VDC

Summary

Safety Warnings and Instructions

Explosive Gas Hazard

Highlights danger of explosive gases from lead-acid batteries during operation.

Safety Message Conventions

Explains signal words (Warning, Caution, Notice) and their hazard levels.

Technical Specifications

Product Functionality

Display Panel and LEDs

Overview of the 7 LEDs on the unit for status indication.

Charge Profile LED Indicators

Explains the 4 charging profiles and LED status.

Charge Status LED Indicators

Details Solar, Vehicle, and Stage LED functions.

Charging Process Stages

Describes Boost, Absorption, and Float stages of the charging cycle.

Soft Start Charging Process (BCDC1250D)

Details the initial current ramp-up for the BCDC1250D model.

Input Turn On/Off Thresholds

Lists voltage thresholds for charger activation and deactivation.

Troubleshooting Error Codes

Explains LED flashing sequences indicating fault types.

Battery Test Mode Function

Describes the periodic test mode for input conditions and battery presence.

Installation Guide

Recommended Install Locations

Guidance on mounting the unit considering heat and airflow for optimal performance.

Charge Profile Selection via Orange Wire

How to select charge profiles for different battery types using the orange wire.

Input Trigger Settings via Blue Wire

Configuration of the blue wire for standard or low voltage trigger modes.

Cable Sizing and Requirements

Details required cable thickness and length for various connections.

Wiring Connection Best Practices

Advises on creating secure, low-resistance electrical connections.

Fusing Recommendations

Recommends MIDI fuses and explains why they are preferred over blade fuses.

Typical Setup Wiring Diagrams

Illustrates typical wiring for lead-acid and LiFePO4 battery setups.

Connecting Solar Panels in Parallel

Instructions for connecting multiple solar panels and avoiding regulated types.

Troubleshooting Common Issues

Troubleshooting: No LEDs ON

Steps to diagnose when no LEDs are lit on the unit.

Troubleshooting: Flashing Charge Profile LED

Explains causes and checks for a flashing charge profile LED.

Troubleshooting: Solar LED OFF

Steps to diagnose why the Solar LED is off when solar is connected.

Troubleshooting: Vehicle LED OFF

Steps to diagnose why the Vehicle LED is off when vehicle power is connected.

Frequently Asked Questions (FAQ)

Product Warranty Information

Warranty Terms and Conditions

Provides information on checking full warranty terms and conditions via the website.

Locating Product Serial Number

Instructs users on where to find the product serial number for identification.

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