Forum Discussion

burlmart's avatar
burlmart
Explorer
May 21, 2015

bidirectional isolator relay delay and voltages

for those with motorhomes that have B.I.R.D.s, do you find that you get inaccurate or misleading voltage readings from your house battery and your chassis battery. for instance, readings that differ ...
Chris_Bryant's avatar
Chris_Bryant
Explorer II
May 22, 2015
Keep in mind the BIRD and the disconnect are 2 separate systems, not interconnected (other than battery wise) The voltages indicated on the disconnect could be flaky simply due to a dirty switch on the panel. The BIRD simply measures the battery voltage of either battery, and connects them when the voltage indicates charging on either, with a delay built in to let the alternator get a bit ahead of the curve.

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