---------- Forwarded message ---------
From: David Beierl <dbeierl@attglobal.net>
Date: Tue, Apr 28, 2020 at 1:59 PM
Subject: Re: do all ACRs work like this?
To: Mark McCulley <markmcculley@gmail.com>
Cc: vanagonlist a <vanagon@gerry.vanagon.com>

 It does not isolate the house battery
> from the starting battery unless the voltage on one of the batteries goes
> below 12.75v. When I installed the ACR I thought that the batteries would
> be isolated whenever they weren't being charged but this is not the case.
>

That's a distinction with very little difference.  As soon as you put any
sort of load on the voltage will drop and disconnect the link.

Yrs,
d