have to be closed
to operate the
pump. If the pump
is not running, I
can look at the
indicators to see
what’s open. Most
often it would be
switch, if pressure is between 30 and 50 PSI.
When I first power up, the Time Delay Active light
illuminates for the 30 second delay. I used neon lamps for
indicators mainly because I already had the sockets in my
I added a few extra items to the front panel (Figure 8)
for my own purposes. The 240 VAC meter on the lower
left assures me that I’m getting full voltage from my
service entrance (100’ away) when the pump is operating.
If I need to use my generator to run the pump, the meter
lets me monitor the voltage from inside the well house.
The pressure switch shunt (center above the voltmeter)
allows me to run the pump manually up to the 24 PSI
restore point for the pressure switch. I can also check
pump current (at the pump control) by manually running
The resettable run time meter (top left) lets me know
how much water we use every week. Since the pumping
rate averages 4. 5 gallons per minute (GPM), I can simply
multiply the minutes of running time to log total use. It is
typically around 550 gallons per week for my wife and
me, along with three dogs, four cats, three hens, and a
goose. We also have an efficient drip system for our trees
and plants. Relying on your own well makes one very
conscious of water use.
38 July 2016
■ FIGURE 8. The front panel of the protection system.
■ FIGURE 7. This is the equivalent circuit of all the components.