I have an initial customer meeting next week about solar water pumping. They want to use two wells in separate locations to fill a large storage cistern for a community water supply. The wells are in place, as is a tank on a hill. The water lines are in, but nobody thought to run signal wires between the wells and the tank. All locations are off-grid.
I am comfortable with the design of all aspects of the system except wireless signal circuits. I am posting to ask for proven methods of communicating both tank-full shutoff signals to the pumps (SQFlex with CU200 controller with remote terminals, most likely) and low-tank alarm signal to an external receiver. The area may have wireless internet already in place, depending on the topography of the specific sites and whether they're line-of-sight to existing wireless access points in the region. Cellular service is unlikely. I won't know much about the details of the job until we meet. I would like to be prepared with some suggested approaches. I would appreciate any assistance. Allan Sindelar allan_(at)_positiveenergysolar.com <mailto:[EMAIL PROTECTED]> NABCEP certified solar PV installer Positive Energy, Inc. 3225A Richards Lane Santa Fe NM 87507 505 424-1112
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