Inverter/Battery Question (Round 3 well pumping & storage tanks) [RE-wrench

[Ray Walters]

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Windy Dankoff wrote:

>
>
> I haven't personally heard of these problems forming in a well water  
> tank but I know Ray W has had some bad experiences -- Ray?
>
> A good minimum preventive measure is to drop a small amount of bleach  
> into the tank periodically, at least during warm weather or before a  
> period of low usage.

Hi Windy:

We've had a majority of cisterns (including well fed) test positive for 
choliform bacteria. No kids dieing from dysentery, but it will scare a 
buyer out of a deal in a heart beat. After a couple of these tests came 
back positive, we quit recommending cisterns when possible.
A quick note on the Grundfos SQ also. They're not really that more 
efficient than regular pumps, you're just avoiding the surge.  I've got 
a wonderful set of systems to compare: all at approximately 350 ft to 
water, I've got SQs, an old Sunrise hanging there, a Solamotor Jack 
pump, and a few conventional AC pumps with transformers. The 
conventional AC pump are as good as anything in. The biggest advantage 
is you are not taking responsibility for the well pump. You don't have 
to spend a bunch of time educating half the local work force on the 
virtues of the "solar" pump (and then have it funk out onyou 6 months later)
If your power system is robust enough to handle the pump surge, they 
won't have any trouble with other loads either. My experience is that 
after 5 minutes, An SQ pump will drag down the voltage of a half charged 
set of batteries just like a conventional pump will.
In Allan's case, I think that single string of batteries won't keep the 
voltage up whether its an SQ or not.
I'd add a second string, or my crazy idea since its temporary: add one 
more battery to the string for a 54 v nom. system to keep the voltage 
higher. I beleive the Outback's input voltage is wide enough to handle 
that just fine.
Cost = 1 battery.

Ray

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