Cor, could you please describe the options/features/differences that make up the cold weather package? -- -Chris
On July 7, 2017 5:58:46 PM CDT, Cor van de Water via EV <[email protected]> wrote: >Exactly, > >Either I will find a way to re-program my current LBC to support the >cold weather package > >or I will have to find an LBC from a cold weather package battery (I >might have one by next week) > >and I have even considered adding a little circuit that disables one >contactor as soon as the ignition is off, > >but I figured that it will need to be enabled when either Charging is >active or Ignition is on, so it needs to > >combine those two signals and then use that combined signal to enable a >contactor. > >This will likely throw an error when the car tries to charge the 12V >battery from the HV pack. > >And I do not know if the car will turn off and sleep if it can't charge >the 12V battery, > >so it might drain the 12V battery instead of the HV pack. > >When putting a disconnect on the 12V battery, you also make it >impossible to open (or lock) the car with the FOB, > >so every time you want to use the car, you need to pull out the >mechanical key, open the driver door > >(the only door with a mechanical lock), pull the hood release, open the >hood, reconnect the 12V and close hood. > >When parking the car for a longer period, you would need to: stop the >car (not turn off) and pull hood release, > >open hood and disconnect 12V battery, close hood, then get in the car, >lock all doors manually, raise windows, turn car off so it dies, > >get out and then lock driver door manually with key. > >Not to mention setting time and radio stations... > >There must be a easier way... > >(Of course, I should have matched the car with cold weather package >with >the battery, if I had known in advance....) > >Cor. > > > >From: damon henry [mailto:[email protected]] >Sent: Friday, July 07, 2017 5:44 AM >To: ROBERT; Cor van de Water; Electric Vehicle Discussion List >Subject: Re: [EVDL] Weird Nissan Leaf behavior: 3rd charging light >blinks after new pack install: cold weather package... > > > >You do realize this is for switching off the 12v SLA battery usually >when it is not under load right? > > > >I've used a bunch of these over the years and they are fairly beefy for >the job they are asked to do. I even have one on my motorcycle and it >easily carries my full traction pack voltage and current 48v 400 amps. >I don't expect it to switch that off under load, but I put it in the >circuit so that I could completely disconnect my motor controller >during >charging. I have a properly rated contactor on the other side of the >circuit for any emergency shut offs. > > > >These switches are more than up to the task of disconnecting the 12 >volt >battery for years without fail. I'm just not sure if Cor is the type >to >settle for an ugly hack like this to a complicated problem. He seems >more like the type to grind through and uncover a proper solution, but >even if that is the case this could be a temporary solution. > > > >Damon > > > > > >________________________________ > >From: ROBERT <[email protected]> >Sent: Thursday, July 6, 2017 12:30 PM >To: Cor van de Water; damon henry; Electric Vehicle Discussion List >Subject: Re: [EVDL] Weird Nissan Leaf behavior: 3rd charging light >blinks after new pack install: cold weather package... > > > >A battery cut off switch with only weak mechanical specs. No maximum >number of switching operations, etc. Now, that is interesting. > > > >________________________________ > >From: EV <[email protected]> on behalf of damon henry via EV ><[email protected]> >Sent: Thursday, July 6, 2017 7:37 AM >To: Cor van de Water; Electric Vehicle Discussion List >Subject: Re: [EVDL] Weird Nissan Leaf behavior: 3rd charging light >blinks after new pack install: cold weather package... > > > >Hi Cor, > > >I'm not sure how much help you will get on a proper solution as you are >kind of out there on the bleeding edge with the Leaf battery >replacement >thing and usually the one providing the answers :) > > >A possible hack might be installing a battery cutoff switch for the 12 >volt battery. Harbor Freight sells them for $8. > >https://www.harborfreight.com/battery-cutoff-switch-63425.html > > <https://www.harborfreight.com/battery-cutoff-switch-63425.html> > >Battery Cutoff Switch - Harbor Freight Tools ><https://www.harborfreight.com/battery-cutoff-switch-63425.html> > >www.harborfreight.com > >Amazing deals on this Battery Cut Off Switch at Harbor Freight. Quality >tools & low prices. > > > > >Damon > > >________________________________ >From: EV <[email protected]> on behalf of Cor van de Water via >EV <[email protected]> >Sent: Monday, July 3, 2017 6:11:47 PM >To: [email protected] >Subject: [EVDL] Weird Nissan Leaf behavior: 3rd charging light blinks >after new pack install: cold weather package... > >OK, I did something to my Leaf that I need to get fixed, because now >the >Leaf is charging the 12V battery whenever the car should be asleep, > >as a result it is losing charge from the main pack. > >It started two days ago when I removed the new (warranty replacement >battery) from this 2012 Leaf SL with cold weather package. > >I do not know why it has a cold weather package, being in California it >never gets below freezing in a car so a cold weather package is quite >odd, but anyhow. > >I installed a 2011 battery, apparently without cold weather package >knowledge in the LBC. > >Since then, every time the car is supposed to sleep, it starts blinking >the 3rd charging LED and is actually charging the 12V battery to 14.4V >continuously, > >resulting in 1 mile range loss every hour. > >Anybody have a clue how to get the car to stop being confused about the >cold weather package? > >Does the LBC need to be reprogrammed? I can modify the configuration >(serial) memory of the LBC, if I know what to change. > >Or should I have the car's computer reprogrammed to tell it to forget >about the cold weather package? I do not need it! > >Don't really want to pull the 12V battery contact off every time I want >to park the car more than a day and the energy loss > >is quite a waste as well... > >Any Leaf experts out there? >Cor. > > > >BTW, the model nrs of the new 2017 battery that I removed and the 2011 >battery that I installed: > >2017 battery: 295B09RB9D > >2011 battery: 295B03NA0A > >-------------- next part -------------- >An HTML attachment was scrubbed... >URL: ><http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20170703/dd38 >58fa/attachment.htm> >_______________________________________________ >UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > > <http://www.evdl.org/help/index.html#usub> > >EVDL Subscription Information and Help ><http://www.evdl.org/help/index.html#usub> > >www.evdl.org > >About the EVDL: The Electric Vehicle Discussion List, founded in 1991 >by >EV enthusiast Clyde Visser, is an active and vital source of >information >and help for people ... > > >http://lists.evdl.org/listinfo.cgi/ev-evdl.org > >EV -- Electric Vehicle Discussion List - lists.evdl.org ... ><http://lists.evdl.org/listinfo.cgi/ev-evdl.org> > >lists.evdl.org > >The Electric Vehicle Discussion List is a forum for discussing the >current state of the art and future direction of electric vehicles >(EVs). 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