Saturday, February 28, 2009

More on the Solar Cooler

Ok, so the Solar Exhaust Fan set up from Harbor Freight was designed specifically for the little 1.2 amp fan that came with the system. Adding the Bilge Pump which draws an additional 3.2 amps was just too much. I came out to find that the Battery was pretty low, and the fan wasn't running, while the Bilge Pump was using all the power.....
So, I disconnected the pump and re-charged the Battery, and now it is working just fine. I ended up plumbing the water directly to water the pads so there is a trickle of water running all day, while the excess drains through a garden hose onto the Garden....
Then, I came out on an 85 degree day to find that it was 100 degrees inside, while the cooler was running like mad trying to cool things off..... I ended up putting a 6' X 12' shade cloth on the South facing roof. once it was in place, I checked and found that the temp. was down to 90 deg. and dropping..... So, now I find that even on warmer than 85 degree days it stays at just under 80 deg. inside..... I'm guessing that the Thermostat is kicking the fan on and off as needed.
I can only hope that the cooler will be able to keep things cool when the temps. hit the Summer highs of 115 degrees. The Greenhouse tends to amplify the Sun's intensity, so I worry that the cooler will have it's work cut out for it.....
Just wanted to let you'all know how things are working, and the pitfalls I've had to overcome.
Jeanne and I worked on the Garden Sunday and planted all the rows with various stuff. We put 1 gallon buckets in the rows buried up to their rims, and planted squash seeds around the edge of the buckets.... The roots are supposed to grow down the side of the bucket to get at the water that is draining out the holes at the bottom. Thus promoting root growth. So all we have to do is fill the buckets and they'll take care of themselves. We planted Corn, and radishes, and Sun Flowers too.... There should be plenty of goodies to eat soon.....

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