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The Working Principle of Evaporative Air Coolers
The Evaporative Air Cooler is a high-tech product, originally from Europe. Its basic principle is as follows: water evaporation drives away the surrounding heat and causes the temperature to cool down. Negative pressure occurs because of wind draining by exhaust fan. Air goes through wet congruent cooling pad and the motor pump continuously transports water to the pipes and the cooling pad at the same time.
The water continuously wetting the cooling pad surface evenly and the wet cooling pad angle makes the water current flow to the side of wind inlet, cooling pad angle makes the water current flow to the side of wind inlet, absorbing a certain amount of heat from the air, which cools down upon contact with the cooling pad.
The wet cooling pad also makes the wind cool and fresh. The circulating water falls to the bottom, forming the water cycle. There is a water level indicator at the panel. So when the water reaches the bottom level, the inlet valve will open automatically to feed water. When the water reaches the indicated full level, the valve will close automatically.
