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Redarc BCDC1220 User Manual

Redarc BCDC1220
20 pages
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BCDC
®
Dual Input Multi-Stage
In-Vehicle Battery Charger
MODEL:
BCDC1220
BCDC1220-IGN

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Redarc BCDC1220 Specifications

General IconGeneral
Input Voltage9 - 32VDC
Output Voltage12V DC
Output Current20A
Dimensions150mm x 120mm x 37mm
Weight0.65 kg
Battery Types SupportedAGM, Gel, Calcium
Charger TypeDC to DC
Protection FeaturesOver Temperature, Short Circuit, Reverse Polarity

Summary

Product Overview

Warnings and Safety Instructions

Specifications

Product Function

Display Panel

Details the 6 LEDs on the front panel used to display charge profile and status.

Charging Process

Explains the three-stage charging process: Boost, Absorption, and Float, including automatic timeouts.

Turn On/Off Thresholds

Specifies the voltage thresholds for the charger to turn ON and OFF under various conditions.

Installation

Install Location

Guidance on mounting the charger in close proximity to the auxiliary battery, away from heat sources.

Cable Sizing

Provides a table for selecting appropriate wire cross-sectional area based on cable length for safe operation.

Fusing

Recommends MIDI style bolt-down fuses and advises against blade fuses and self-resetting circuit breakers.

Cable Connections

Emphasizes good, low-resistance electrical connections, recommending soldered butt splice crimps with heat-shrink.

Auxiliary Battery Positive - Brown Wire

Instructions for connecting the brown wire to the auxiliary battery positive terminal, including fuse placement.

Common Ground - Black Wire

Details connecting the black wire to a common ground point for both start and auxiliary batteries.

Charge Profile Selection - Orange Wire

Explains how to connect the orange wire to set the maximum output voltage for different battery profiles.

Input Positive - Red Wire

Instructions for connecting the red wire to the positive input from the vehicle's start battery.

Input Trigger Settings - Blue Wire

Details how to connect the blue wire for input trigger behaviour, depending on alternator type and vehicle ignition.

Typical Setups

Illustrates common wiring configurations for 12V and 24V starter battery installations.

Frequently Asked Questions

Warranty

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