Question about Heating & Cooling
If your refrigerator starts and stops very frequently, you may have an overheated compressor. This refrigerator part is a component in the cooling system of the refrigerator. The reason for an overheated compressor? Take a look in the back of your refrigerator. The refrigerator parts you see clogged with dirt, dust, and grime are the condenser coils. These coils help dissipate heat. Any coating on the coils interferes with that process and can result in a major loss of efficiency of refrigerator parts like the compressor. Clean the coils, and monitor your fridge to see how often it starts and stops once the compressor load is lessened.
Also, check the compressor for fault.
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Posted on Oct 09, 2009
A freezer is a devise in which to store food and keep the food frozen..
Keeping the food frozen is the best way to keep it fresh for longer periods of time..
Before mechanical refrigeration systems were introduced, people cooled their food with ice and snow, either found locally or brought down from the mountains. The first cellars were holes dug into the ground and lined with wood or straw and packed with snow and ice: this was the only means of refrigeration for most of history.
Refrigeration is the process of removing heat from an enclosed space, or from a substance, to lower its temperature. A refrigerator uses the evaporation of a liquid to absorb heat. The liquid, or refrigerant, used in a refrigerator evaporates at an extremely low temperature, creating freezing temperatures inside the refrigerator. It's all based on the following physics: - a liquid is rapidly vaporized (through compression) - the quickly expanding vapor requires kinetic energy and draws the energy needed from the immediate area - which loses energy and becomes cooler. Cooling caused by the rapid expansion of gases is the primary means of refrigeration today.
The first known artificial refrigeration was demonstrated by William Cullen at the University of Glasgow in 1748. However, he did not use his discovery for any practical purpose. In 1805, an American inventor, Oliver Evans, designed the first refrigeration machine. The first practical refrigerating machine was built by Jacob Perkins in 1834; it used ether in a vapor compression cycle. An American physician, John Gorrie, built a refrigerator based on Oliver Evans' design in 1844 to make ice to cool the air for his yellow fever patients. German engineer Carl von Linden, patented not a refrigerator but the process of liquifying gas in 1876 that is part of basic refrigeration technology.
Side Note: Improved refrigerator designs were patented by African American inventors, Thomas Elkins (11/4/1879 U.S. patent #221,222) and John Standard (7/14/1891 U.S. patent #455,891).
Refrigerators from the late 1800s until 1929 used the toxic gases ammonia (NH3), methyl chloride (CH3Cl), and sulfur dioxide (SO2) as refrigerants. Several fatal accidents occurred in the 1920s when methyl chloride leaked out of refrigerators. Three American corporations launched collaborative research to develop a less dangerous method of refrigeration; their efforts lead to the discovery of Freon. In just a few years, compressor refrigerators using Freon would became the standard for almost all home kitchens. Only decades later, would people realize that these chlorofluorocarbons endangered the ozone layer of the entire planet.
History of Sealed Refrigeration Systems
One hundred years ago, refrigeration engineers began to search for a permanent solution to the problem of leaky refrigeration systems.
Posted on Oct 06, 2009
If the unit is placed in the compact place where the units hot air ventilation is blocked.it will cause this problem.try putting up the unit where proper ventilation is possible.also check that ventilators are not clogged.
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Posted on Oct 05, 2009
Thanks for using FixYa. Please explain the issue so that I can assist you, is it with the freezer or the air conditioner that you have selected. Please do revert with the problem so that it can be solved.
Posted on Oct 05, 2009
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Posted on Jan 02, 2017
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