Q:

How do ice makers in refrigerators work?

A:

Quick Answer

Ice makers in refrigerators work using a water regulator, a thermostat, a heater and a motor. An ice maker as a single unit is connected to the main power circuit of the refrigerator that supplies power to these four components to produce ice.

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Full Answer

One end of the ice maker is connected to an electrically-operated water regulator. This is usually located behind the refrigerator. Electricity opens the water regulator and allows water to pass through. Some refrigerators are equipped with superior filtration systems to decontaminate the water coming from the regulator.

The water freezes in response to the refrigerator’s cooling unit. A thermostat inside the ice maker detects changes in the water temperature inside the mold. Once the temperature goes down to a specific degree, the thermostat closes a switch. This closure allows electricity to pass through a heater or a coil that is normally located at the bottom of the mold.

The heater warms the mold to just the right temperature so that it neither melts nor gets stuck as a frozen lump to the container. The mold is also specifically made of plastic and allows the frozen ice to slide out easily. The ice cubes are moved by a motor inside the ice maker. The blades scoop the loosened ice cubes from the mold and push them into an ice tray located at the bottom of the ice maker.

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