Where the 120v comes into the unit I recall a 10amp automotive fuse. When my Xantrex died it gave very similar symptoms.
Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Thu, Oct 31, 2019, 8:28 AM John Conklin via CnC-List < cnc-list@cnc-list.com> wrote: > Ed, > > ! I will try to check that today but I di not see any in line fuse ? Fit > is the issue the 1240 looks to be 12” wide? > > I wil try to get a few pics of the situation. > > Thanks again ! > > John C > > > ------------------------------ > *From:* CnC-List <cnc-list-boun...@cnc-list.com> on behalf of Edd > Schillay via CnC-List <cnc-list@cnc-list.com> > *Sent:* Thursday, October 31, 2019 8:19:36 AM > *To:* cnc-list@cnc-list.com <cnc-list@cnc-list.com> > *Cc:* Edd Schillay <e...@schillay.com> > *Subject:* Re: Stus-List Starting An Engine with Battery Charger > Connected? > > John, > > Before you change the unit (and if you do, go with the ProNautic 1240P) > you should check the fuses. Odds are there are one or two inside the > charger (near all the connections) and there should be one in line between > the charger and the battery. > > All the best, > > Edd > > ———————————————- > Edd M. Schillay > Captain of the “Starship Enterprise” > C&C 37+ | Sail No.: NCC-1701-B > Venice Yacht Club | Venice, FL > www.StarshipSailing.com > ———————————————- > 914.774.9767 | Mobile > ———————————————- > Sent via iPhone X > iPhone. iTypos. iApologize > > > On Oct 31, 2019, at 8:10 AM, John Conklin via CnC-List < > cnc-list@cnc-list.com> wrote: > > > > My West Marine 40 Amp Charger Inverter appears DEAD ! no life. House bank > is pretty new but when I checked the 2 started batteries(flooded) and 1 was > dry as a cork so is that starter battery also shot shot?!! House bank looks > fine and holds charge, but all were drained to zero, with dehumidifier > fans on for the week. I think Start Batteries are 2017? > > Guessing charger is shot and this is my problem? What I was getting at > is what would be a good replacement for the West Marine 40 amp ? cute > little place inside door back against wall in small compartment left of > companion way Ughh! how can I check that to be sure as I did’nt see a > fuse or anything. > > > > Thanks ! > > John Conklin > > S/V Halcyon > > > > > > > ------------------------------ > *From:* CnC-List <cnc-list-boun...@cnc-list.com> on behalf of Josh > Muckley via CnC-List <cnc-list@cnc-list.com> > *Sent:* Wednesday, October 30, 2019 3:20:25 PM > *To:* C&C List <cnc-list@cnc-list.com> > *Cc:* Josh Muckley <muckl...@gmail.com> > *Subject:* Re: Stus-List Starting An Engine with Battery Charger > Connected? > > I have a modern charger. ProMariner P-Nautic 1260. Granted my batteries > are big and not failing. > > For unknown reasons I have blown a Xantrex True Charge 40 amp(modern). > Refunded under warranty. Could have been bad luck but I'm leaning towards > the idea that it is bad engineering. Under the exact same conditions I've > never had a problem with the P-Nautic. > > Josh Muckley > S/V Sea Hawk > 1989 C&C 37+ > Solomons, MD > > > > On Wed, Oct 30, 2019, 1:27 PM Steve Thomas via CnC-List < > cnc-list@cnc-list.com> wrote: > > Ok, so I have read the other responses and what your experience means to > me is that you have been doing this with reasonably good batteries and or > older battery chargers. I too have never had a problem with the charger in > a boat but I have personally killed 4 or 5 of the modern chargers with > electronic voltage regulation by attempting to start cars and tractors with > the chargers still hooked up. Here is what I think is happening: When the > starter relay opens the starter motor circuit, there is a high voltage > inductive kick-back from the collapsing magnetic field in the motor that is > "clamped" to a lower voltage by the low impedance through a good battery. > If because of a bad battery or wiring or whatever that energy is not > clamped down to a low enough voltage then it kills the voltage regulator > electronics. The rectifier diodes themselves have survived. I have > installed a shorting wire around the circuit board in a couple of the > affected chargers and they still work but they are anything but regulated > now. > > A suitably large rectifier diode installed across the starter motor could > prevent this from happening. > > Steve Thomas > > > > ---- Edd Schillay via CnC-List <cnc-list@cnc-list.com> wrote: > Listers, > > I’m seeing conflicting opinions on the web and would like to know from the > collected wisdom of the group. > > Is it OK or not OK to start your engine while your battery charger is > running? > > I was surprised to see some people say it is not, as people have been > jump-starting their car engines for decades, but am interested in seeing > what you all have to say on this. > > All the best, > > Edd > > > Edd M. Schillay > Captain of the Starship Enterprise > C&C 37+ | Sail No: NCC-1701-B > Venice Yacht Club | Venice, FL > > Starship Enterprise's Captain's Log <http://enterpriseb.blogspot.com/> > > > > > > > > > > > > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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