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In refrigerators, defrosting (or thawing) is the removal of frost and ice. A defrosting procedure is generally performed periodically on refrigerators and freezers to maintain their operating efficiency. Over time, as the door is opened and closed, letting in new air, water vapour from the air condenses on the cooling elements within the cabinet.
A defrost timer taken out of a household refrigerator. The defrost mechanism in a refrigerator heats the cooling element (evaporator coil) for a short period of time and melts the frost that has formed on it. [1] The resulting water drains through a duct at the back of the unit. Defrosting is controlled by an electric or electronic timer.
If the defrosting system melts all the ice before the timed defrosting period ends, then a small device (called a defrost limiter) acts like a thermostat and shuts off the heating element to prevent too large a temperature fluctuation, it also prevents hot blasts of air when the system starts again, should it finish defrosting early.
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The user can also lift up the wire arm at any time to stop the production of ice. Later automatic icemakers in Samsung refrigerators use a flexible plastic mold. When the ice cubes are frozen, which is sensed by a Thermistor, the timer causes a motor to invert the mold and twist it so that the cubes detach and fall into a bin.
Defrosting or defroster may refer to: Defrosting (refrigeration) Frozen food § Defrosting; De-icing; Defogger This page was last edited on ...
Allow 30 minutes of thawing time for each pound of turkey, which translates to about six hours for a 12-pound turkey. A 15-pound bird will thaw in eight hours. Adjust the thawing time based on the ...
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