Yep that's right. Josh On Apr 6, 2016 8:26 PM, "John Pennie via CnC-List" <cnc-list@cnc-list.com> wrote:
> I guess the more accurate way of saying this is that the solenoid can only > be closed by one source bank; however it’s wired. > > John > > On Apr 6, 2016, at 8:14 PM, John Pennie via CnC-List < > cnc-list@cnc-list.com> wrote: > > So if I understand this correctly it isn’t a 2-way street. When a > charging source is connected to the house bank the rise in voltage will > close the solenoid and the two bank are now joined. The voltage “sensor” > is only on the house bank side. So if the starting bank is at 14 volts and > the house bank is at 12v the circuit will remain open and the banks will > remain isolated. Do I have this right? > > John > > > > On Apr 6, 2016, at 3:56 PM, Josh Muckley via CnC-List < > cnc-list@cnc-list.com> wrote: > > It is safe to switch between 1-ALL-2 as long as everything is working as > designed. You also have to be very careful not to accidentally overshoot > to the off position. What isn't safe is turning the ignition switch to off > while the engine is running, or as mentioned turning the batt switch to off > while the engine is running. > > The only concern about mixed types of batteries is various chemistries. A > leaf acid starting battery and a lead acid deap cycle battery are the same > chemistry so you're fine. > > Josh Muckley > S/V Sea Hawk > 1989 C&C 37+ > Solomons, MD > On Apr 6, 2016 3:48 PM, "Bruce Pope via CnC-List" <cnc-list@cnc-list.com> > wrote: > >> >> Is it safe to switch between 1-BOTH-2 while the engine is running? I >> have gotten mixed messages about that. Haven't tried and am >> starting/charging in the BOTH position assuming therefore that banks are in >> parallel and both are charging. But, read somewhere that it is bad form >> to charge different types of batteries (starter/deep cycle house) this way. >> >> ------------------------------ >> *From:* CnC-List <cnc-list-boun...@cnc-list.com> on behalf of Josh >> Muckley via CnC-List <cnc-list@cnc-list.com> >> *Sent:* Tuesday, April 5, 2016 7:58 PM >> *To:* C&C List >> *Cc:* Josh Muckley >> *Subject:* Re: Stus-List Automatic Charging Relay >> >> >> It's not "smart" it always starts charging the "primary" bank first. >> Once the primary battery is full (ish) it combines the second battery. >> >> Josh >> On Apr 5, 2016 9:50 PM, "John Pennie via CnC-List" <cnc-list@cnc-list.com> >> wrote: >> >>> Thanks Gary. I get that and I suppose it certainly simplifies the >>> wiring - you essentially have one bank for charging purposes. No opinion >>> at this point although I do feel silly having spent the last year dutifully >>> switching between 1-both -2. I assume it’s just a relay that connects the >>> circuit at a set voltage. Not sure how it can be smart enough to determine >>> which bank to charge first but perhaps they are more than just a relay. >>> >>> John >>> >>> On Apr 5, 2016, at 9:13 PM, Gary Russell via CnC-List < >>> cnc-list@cnc-list.com> wrote: >>> >>> Hi John, >>> I've had ACRs on my boats for the last 15 years and I think they >>> are one of the best upgrades you can do. When I bought "Kaylarah" >>> (formerly "High Maintenance",adding and ACR was one of my first upgrades. >>> They are usually wired to charge the house bank first, then the start >>> bank. If your start bank was very low, you could could still use a combine >>> switch to get the engine started. I have never had a problem with the ACRs >>> and I can't say the same about a 1-BOTH-2 switch. All you have to do is >>> forget to switch to 1 or 2 after you shut the engine off and you can kill >>> both batteries while sitting on a hook. That won't happen with and ACR. I >>> think you will come to like them. >>> >>> Fair winds, >>> Gary >>> S/V Kaylarah >>> '90 C&C 37+ >>> East Greenwich, RI, USA >>> >>> ~~~~~~~_/)~~~~~~ >>> >>> >>> On Tue, Apr 5, 2016 at 8:38 PM, John Pennie via CnC-List < >>> cnc-list@cnc-list.com> wrote: >>> >>>> So while connecting batteries today i discovered, to my surprise, that >>>> Paws has an automatic charging relay between the two battery banks. Yes, >>>> I’m still learning this boat. So as I understand it, once voltage hits >>>> 13.6 volts (or 13.0 for 2 minutes) the relay will automatically combine the >>>> two banks to share the changing source. Not sure how I feel about that. >>>> >>>> On the plus side, I guess it’s great that I don’t have to worry about >>>> moving a battery selector switch while the engine is running. On the down >>>> side - >>>> >>>> How does a battery charger monitoring two banks handle this? I just >>>> seems it has to screw up the logic on the charger. >>>> Essentially there is no way to isolate charging? So if I know I only >>>> have limited time to charge and want to concentrate on one bank I have no >>>> choice? >>>> >>>> What I missing? >>>> >>>> John >>>> >>>> >>>> _______________________________________________ >>>> >>>> This list is supported by the generous donations of our members. If you >>>> like what we do, please help us pay for our costs by donating. All >>>> Contributions are greatly appreciated! >>>> >>> >>> _______________________________________________ >>> >>> This list is supported by the generous donations of our members. If you >>> like what we do, please help us pay for our costs by donating. All >>> Contributions are greatly appreciated! >>> >>> >>> >>> _______________________________________________ >>> >>> This list is supported by the generous donations of our members. If you >>> like what we do, please help us pay for our costs by donating. All >>> Contributions are greatly appreciated! >>> >>> >> _______________________________________________ >> >> This list is supported by the generous donations of our members. If you >> like what we do, please help us pay for our costs by donating. All >> Contributions are greatly appreciated! >> >> _______________________________________________ > > This list is supported by the generous donations of our members. If you > like what we do, please help us pay for our costs by donating. All > Contributions are greatly appreciated! > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > like what we do, please help us pay for our costs by donating. All > Contributions are greatly appreciated! > > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > like what we do, please help us pay for our costs by donating. All > Contributions are greatly appreciated! > >
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