[C320-list] Protecting The Batteries when away from boat at dock

[Martin Rosenberg]

Isn't 10.4v a bit late?
Martin  Avalon #823



On Fri, Jul 4, 2014 at 12:25 PM, <guyhenry222 at gmail.com> wrote:

> The Adler/Barbour fridge on my 1994 automatically cuts out if the voltage
> goes under 10.4V
>
> Guy
> MoonShadow
> #115
>
>
> -----Original Message----- From: Ken Geiger
> Sent: Thursday, July 03, 2014 4:55 PM
> To: c320-list at catalina320.com
> Subject: [C320-list] Protecting The Batteries when away from boat at dock
>
>
> In the Flooded Battery Thread, Warren mentioned a devise to sense low
> battery and then disconnect the load (the reefer).
>  I quote;
>
> "For those who leave refer running while away from boat, there is a device
> that will sense State of Charge and disconnect a load (refer.) This avoids
> running a good battery into the ground (below 11 V) should shore power be
> lost (a sure way to shorten your battery's life.) Jeff Hare can say more
> about this device."
>
> I wonder if one could protect the batteries while leaving the reefer on
> when at dock and away, by paralleling in a
> 110 V relay coil with the parallel 12 V to the reefer on a set of
> contacts. The coil would drop out and open the
> power supply to the reefer upon AC power loss thus prevent draining the
> battery.
>
> The Reefer switch on the panel would be in the off position and the
> battery main switch on, supplying the
> parallel 12 V circuit to the reefer through the relay contacts.
>
> Ken Geiger
> Northern Dream, 2000 #765
>
>