Product Function | 7
Table 1: Charge Profile Selection
Auxiliary Battery Location
Maximum Battery Voltage
Specification
Cabin Install
(25ºC / 75ºF)
Engine Bay Install
(50ºC / 120ºF)
14.6 V A A
15.0 V B A
15.3 V C B
14.5 V (LiFePO
4
) Li Not Recommended
1.3 CHARGE STATUS LEDS
The Charge Status LEDs indicate to the user which inputs are available and what stage of the
charge process the unit is currently in.
VEHICLE LED
The Vehicle LED will be ON when the input is available and in use and OFF when the input is not
available or not in use.
STAGE LED
The Stage LED indicates the charge profile stage. With any profile selected the Charger will output a
3-Stage charging profile consisting of Boost, Absorption and Float Stages.
Table 2 outlines the LED sequences which indicate these stages. See Figure 1 (page 8) for
information on the BCDC1212T charging process.
Table 2: Stage LED Sequence
LED Sequence Profile Stage (Lithium)
Continuous
OFF / No Output
Continuous
Boost (Constant Current)
2 Seconds
Absorption (Constant Voltage)
2 Seconds
Float
OPTIONAL EXTERNAL LED
To provide charge status and error feedback away from the Main Unit, a standard 12 V LED (with
integrated resistor) can be wired as shown in Figure 11 (page 15) and Figure 12 (page 15).
If used, this external LED is either OFF (BCDC not charging), ON (BCDC charging) or FLASHING
(see Section 1.7 (page 9)).
NOTE: If using an Optional LED, use a standard 12 V LED with an integrated resistor
(12 V = 1kΩ or 24 V = 2.2kΩ). A basic 3 V LED will not operate correctly if installed.
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