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How Solar Hot Water Works
Turn up the Heat on Global Warming and Save
Convenient and Reliable Systems for Any Setting
|Cutaway of A Copperheart ICS System||Copperhhart ICS System Installed|
Thermosiphon Systems collect heat from the sun and transfer it to your water through a natural process. Independent of pumps, sensors, or any moving parts these systems rely on the simple principle that hot water rises and cold water sinks.The collector absorbs the sun’s rays and heats the cold fluid inside. As the fluid heats, it rises to the top of the collector and into the insulated, stainless steel tank. Here, it displaces cooler fluid which flows in to the bottom of the collector where the process is repeated.
Active solar water heaters use pumps, often powered by a solar electric module, to circulate water or heat-transfer fluid through heat-absorbing solar thermal collectors.
Open loop active systems heat the water supply directly. Circulation of water through the solar collector is accomplished via a small circulation pump (often powered by a solar electric module) mounted on a solar storage tank. The solar pump is activated by a differential thermostat controller (solar sensor) that senses when heat is available in the solar collectors. The solar-heated water is stored in a storage tank that connects to the existing gas or electric water heater. As hot water is used, the preheated water is pumped into the conventional heater.The solar collectors and feed lines are protected from freezing by automatic drain down controls which allows the water in the pipes and panels to fall safely back out of the solar collectors and feed pipes.
Closed loop active systems employ heat exchangers that circulate heat exchange fluids through the panels and feed pipes. The term “closed-loop” refers to the solar exchange fluid being closed-off from the external atmosphere or isolated from the potable water. In a closed-loop system the heated solar fluid is pumped through the solar collectors. The solar fluid flows through a copper or stainless steel heat exchanger located near the solar storage tank. The heat from the fluid then transfers to the potable water within the solar storage tank. Another small circulator pump may be used to circulate the water through the potable side of the heat exchanger.
For more information, see our manuals and specifications.
|Solar Water Heating|
"It was not uncommon for my wife and daughter to leave me with no hot water for my shower. Now, with the excess capacity of my Suntrek solar water heating system, we all can take long, hot showers with no worry and no cost."
– Michael Todd
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