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From: Andrew Tiblin (no email)
Date: Fri Apr 15 2005 - 12:09:10 EDT
Ken,
I would like to have a copy of the schematics. Thanks
for offering this solution to all members.
Sincerely,
Andrew Tiblin
--- KenJames <> wrote:
> I have designed and tested a neat circut that is a
> bilge pump controler. It
> uses the existing two wires
> that already go to the existing bilge pump/float
> switch on most boats, and
> adds only a second switch mounted at a higher water
> level (conneted to the
> same voltage supply as the original single switch)
> and this controler. The result is that when the low
> switch turns on nothing
> happens, then when the high switch turns on the pump
> operates until the low
> switch turns off.
> The much larger difference in water level that can
> be acheived by using two
> switches totaly elimantes 'backwash' and pump
> cycling.
> The circuit design includes an optional over-ride
> function that is actuated
> by simply turning the pump breaker off then on, at
> which point the pump will
> operate until the pump is turned off and left off
> for a few seconds then
> turned back on again, at which time the controler
> re-sets.
> I am willing to send the schematic and wiring
> diagrams, with all the (cheap
> Radio Shack) parts listed on the schematic to
> anybody who wants it. Anybody
> who is even a bit proficient with a soldering iron
> and multimeter could
> build it in short order.-Ken
>
>
>
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