Please Explain Battery Isolator Operation/Function

[Howard O. Truitt]

Tom,
I use to have a cabin cruiser down on the gulf and it had an aux. switch and you
had to hold it down to keep the two banks together and when you released it it
went back to two seperate banks.
I don't know about the PT40 either, but I suspect it works the same way. But if
both battery banks are dead [as I had happen to me] the switch is of no value.
Regards,

Howard Truitt
Camilla, Ga.
86 8V92 PT40











----- Original Message -----
From: Tom Warner
To: WanderlodgeForum@yahoogroups.com
Sent: Sunday, November 06, 2005 9:33 PM
Subject: Re: [WanderlodgeForum] Please Explain Battery Isolator
Operation/Function


Good question Howard. On the forward control models the aux switch is
on the dash and you have to hold it down to activate it. As long as
you hold it down you have the two battery banks tied together. On
the PTs I am not sure.

Tom Warner
1982 FC35
Vernon Center,NY

At 09:26 PM 11/6/2005, you wrote:
>Tom,
>
>When you mash the Auxillary Switch do you have to sit and hold it
>down or does it stay open automatically and do you have to switch it off.
>
>Howard O. Truitt
>Camilla, Ga.
>86 8V92 PT40
> ----- Original Message -----
> From: Tom Warner
> To: WanderlodgeForum@yahoogroups.com
> Sent: Sunday, November 06, 2005 7:27 PM
> Subject: Re: [WanderlodgeForum] Please Explain Battery Isolator
> Operation/Function
>
>
> There are 3 terminals on your isolator. The center goes to your
> alternator and charger, one end terminal goes to your chassis battery
> and the other end terminal goes to generator battery.
>
> The auxillary switch on the dash connects the chassis batteries and
> generator batteries in parallel so that either the low chassis
> batteries will be "boosted" by the generator battery or if the
> generator battery is low, the chassis battery can "boost" it.
>
> In the configuration you noted the charger is charging both the
> chassis and generator batteries. But there really isnt a problem
> since each battery is "isolated" from the other.
>
> Is this what you were looking for?
>
> Tom Warner
> 1982 FC35
> Vernon center,NY
>
>
> At 07:20 PM 11/6/2005, you wrote:
> >My coach has 4 - 6 volt AGM batteries that serve as starting and
> >accessory DC supply. I have
> >a gel battery mounted in the generator compartment that starts the
> >generator. I have an
> >"isolator" in the coach battery compartment with leads coming from
> >the coach and generator
> >batteries. I use a Xantrex 40 Truecharge, located in the center
> >driver's side compartment, to
> >keep the coach batteries charged. On the dash I have a rocker switch
> >that reads "auxiliary
> >battery". My understanding of the dash switch is you can use it
> >momentarily to augment the
> >coach batteries if they're too low to get the engine started.
> >
> >I've read a number of references to isolators but am clueless on how
> >they function and would
> >appreciate some education on the subject. I'm particularly curious
> >if my Xantrex charger may
> >be supplying the generator battery as well as the coach batteries.
> >Xantrex says mixing battery
> >types with the same charger is not a good thing.
> >
> >Eric Johnson
> >84FC35SB
> >San Antonio Texas
> >
> >
> >
> >
> >
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