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Posted by Paul Oman on November 19, 2006, 8:56 am
my sump pump is in an earthen pit and ground water seeps in causing the
electronic float switch to cycle on and off about every 90 seconds. I am
looking for a delay off switch that would delay the pump from turning
off for 10 or 15 seconds so that the of-off cycling would be greatly
reduced. Cannot find such a 'delay' switch / electrical plug. Any ideas?
paul
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Posted by bowgus on November 19, 2006, 9:14 am
Paul Oman wrote:
> my sump pump is in an earthen pit and ground water seeps in causing the
> electronic float switch to cycle on and off about every 90 seconds. I am
> looking for a delay off switch that would delay the pump from turning
> off for 10 or 15 seconds so that the of-off cycling would be greatly
> reduced. Cannot find such a 'delay' switch / electrical plug. Any ideas?
>
> paul
Fwiw ... the switch on my pump is contained in a plastic ball (I'll
call it) that's attached to the pump by its electrical wiring. The
length of that wire can be used to provide what I learned in electrical
engineering as hysterisis. Or, the switch goes on when the ball thingy
(another technical term) is say a foot above the pump, and goes off
when the ball is horizontal when tha foot of water has been pumped out.
So you might look into that type of switch. Now, a buddy years ago
built from scratch a switch that triggered a "one-shot" to turn the
pump on via a relay at the water high level, and another switch that
via the "one-shot" turned the pump off at the water low level. The
range of the water depth for that type of solution is unlimited ... but
not certified :-)
So what happens if the pump is turned off? By that I mean there is a
level that water rises to in my sump well, and then stays there ...
until a heavy downpour, spring thaw. Or, I don't keep the well dry, I
just keep it from overflowing onto the floor.
I've driven through the country, and I've seen areas that flood every
spring, and I've seen houses being built there ... and I've seen the
gas powred pumps runnning out in the yard the next spring ... big
mistake imo ... unless the whole area is properly drained.
Ever considered a basement fish pond?
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Posted by Edwin Pawlowski on November 19, 2006, 9:55 am
> my sump pump is in an earthen pit and ground water seeps in causing the
> electronic float switch to cycle on and off about every 90 seconds. I am
> looking for a delay off switch that would delay the pump from turning off
> for 10 or 15 seconds so that the of-off cycling would be greatly reduced.
> Cannot find such a 'delay' switch / electrical plug. Any ideas?
>
> paul
Rather than a delay, you need to adjust the switch high and low levels.
Often this is done by sliding a stop on the guide the float is on. Not
knowing what you have, I can't say exactly what you need not seeing your
switch/pump, but you are right that 90 seconds is too many cycles.
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Posted by hallerb@aol.com on November 19, 2006, 10:05 am
I would look into directing whatever water possible away from the home
by regrading new downspout drain lines well away from home, and if at
all possible run a underground drain line from the sump to a spot well
away from home thats at a lower grade. a outside french drain is
another option if say you live at the base of a hill.
the first step to water control is minimizing the problem.
if the pump fails how much damage can occur?
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Posted by Harry K on November 19, 2006, 10:26 am
Paul Oman wrote:
> my sump pump is in an earthen pit and ground water seeps in causing the
> electronic float switch to cycle on and off about every 90 seconds. I am
> looking for a delay off switch that would delay the pump from turning
> off for 10 or 15 seconds so that the of-off cycling would be greatly
> reduced. Cannot find such a 'delay' switch / electrical plug. Any ideas?
>
> paul
I don't follow what the delay switch would accomplish. If water is
coming in that fast, delaying the 'on' would cause the sump to
overflow.
If it can go the 10-15 sec without overflowing you can replace a
subersible pump with a pedestal and perhaps gain a bit on the duty
cycle. Depends on the depth of the sump.
Or, as it is in an 'earthen pit' you could deepen the sump and change
to a pedestal type pump (if you have a submerible now). Maybe even put
an extension on the pedestal and go really deep with the sump.
Harry K
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