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11-28-09, 09:29 AM | #22 |
Lex Parsimoniae
Join Date: Feb 2009
Location: Woburn, MA
Posts: 4,918
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remote thermistor?
I wonder if the thermistor could be removed from a modern Tstat
(like the RTH221B1000) Honeywell at Lowe's: 1-Week Basic Programmable Thermostat And re-connected using a twisted-pair? If you could locate the thermistor inside the warm-air collector, the Tstat could be used in the AC mode. Coming on whenever the temperature inside the collector got above ~75-85 deg.. I think these things have about three degrees of Hysteresis.. So the fan was moving a lot of air, it would shut down pretty quickly, as the collector cooled off a bit. ~~ In the early evening, you could try using the heating mode. If the outdoor temp dropped below 70, air from the house would be sucked into the collector and cooled down a little.. (Assuming the house was still warm). |
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controller, diy, hot water, solar |
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