Hi Jeff O,
What do you use for power for the relay coil?. The pump can run on
voltage up to 300 VDC. I suppose you could tap the output of one module
or add a separate small module.
David
David Katz
Chief Technical Officer
AEE Solar
1155 Redway Drive
P.O. Box 339
Redway, CA 95560
Tel (707) 825-1200
Fax (707) 825-1202
dk...@aeesolar.com <mailto:da...@aeesolar.com>
www.aeesolar.com <http://www.aeesolar.com/>
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Jeff Oldham wrote:
Hi Roy,
You do have a choice about controllers, as I mentioned I use off-the-shelf
components. For your need you have at least 2 sweet options - 1) get a relay to
switch the pump power and use a float switch to control the coil, go with a SSR
for even higher reliability. This is a $50 substitute for a $300 CU-200. 2)
Use a Cla-val at the tank and a pressure switch and 2gal press. tank at the
pump. This works at any distance w/o control wires and is fully hydraulic and
highly reliable plus this valve does not throttle as it reaches full. This is
my control of choice if the distance between pump and tank is much over 400',
cost must be considered as this is about a $700 setup.
-jeff o
>From the Solar, Wind and Hydro powered office of Jeff Oldham/Regenerative
SOLutions
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