subject: Solar water heater and global warming (1) [print this page] Solar water heater and global warming (1)
Supply water to his house warm is most widely used solar energy. In the new or the old is the first investment ecocitizen: favored for its easy installation on one hand and relatively low cost on the other hand, the solar hot water tank succeeds more at a facility obsolete.
The elements of a solar water heater
The order of presentation components help to sketch the mental functioning of solar water heater, keep this in mind while reading the list:
Solar panel
A first circuit of water mixed with antifreeze
Pump water circulation on the first circuit
A flask of hot water (or storage)
A second circuit for hot water
An auxiliary heating to compensate for the lack of sunshine
A torque regulator and solar panel heating extra.
Component count is reduced on a model of solar water heater simplified for a second home or outside France.
The operation of the facility.
The solar panel is a safe airtight container in which winds the first water system.
A front glass panel turns it into a "greenhouse" effective. Heating the serpentine portion of the circuit flowing within it, the solar panel raises the temperature of the water tube of aluminum or copper between 60 C and 100 C.
Hot water is then "pumped" from the solar panel hot water tank in which it circulates (still closed) and relieved of its calories come out before being taken back to the solar panel. One can avoid the purchase (and consumption) of the circulating pump primary circuit by positioning the solar panel to a level below the hot water tank, it would be found in any place attic or a bathroom upstairs. With the temperature difference, hot water rises naturally out of sensors to water balloon; thermosiphon phenomenon to be operational must be strictly the work of an experienced professional.
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