Parallel combiner slow cut out

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Parallel combiner slow cut out

Postby RTagg on Tue Oct 27, 2015 3:43 am

I am using the parallel battery combiner function. When I start the engine it sends a parallel signal to the engine battery relay after 30 seconds as it should. When I stop the engine it keeps the engine battery in parallel with the house for a few minutes before disconnecting. Should it not disconnect immediately upon the engine stopping? Thank you.
RTagg
 
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Re: Parallel combiner slow cut out

Postby Coulomb on Tue Oct 27, 2015 11:41 am

It drops out when the voltage on the house battery no longer is high enough to be charging. That voltage won't fall immediately, depending on the load.
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Re: Parallel combiner slow cut out

Postby RTagg on Sat Oct 31, 2015 2:42 pm

Thanks for your response, that would make sense.
RTagg
 
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Re: Parallel combiner slow cut out

Postby RTagg on Sat Mar 05, 2016 12:19 am

Hello Coulomb, At what point should the relay open and the engine battery be isolated? I'm concerned that if there were a fault with the engine battery then the house battery would just keep charging it indefinitely? Thanks.
RTagg
 
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Re: Parallel combiner slow cut out

Postby Coulomb on Mon Mar 07, 2016 1:18 pm

It drops out when the charging voltage drops below about 13V.
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