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Q. How do I protect my solar system during sub-zero temperatures? |
A. If you have a system that is operating in areas with sub-zero
temperatures then freeze protection must be implemented. The
easiest means of preventing freezing is to use a controller with a low
temperature setting, therefore when the manifold temperature drops
below a certain pre-set temperature (5 degrees C), the pump will
circulate, warming the collector up with warm water from the bottom
storage tank. The pump will not have to run continually, just
periodically, the frequency of which will depend on the outside
temperature.
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