Refrigeration Terminology

Front

Recovery

Back

To remove refrigerant in any condition from an appliance and store it in an external container without testing or processing it.

Front

Superheat

Back

Number of degrees the vapor is heated above saturation temperature.

Front

Subcooling

Back

Number of degrees the refrigerant is cooled below the saturation temperature.

Front

Micron

Back

One thousandth of a millimeter of mercury vacuum.

Front

Bubblepoint

Back

Temperature at which a blend first begins to evaporate (boil).

Front

King valve

Back

Combination shut off and service valve.

Front

Dewpoint

Back

Temperature at which a blend first begins to condense.

Front

Hygroscopic oils

Back

Readily absorb moisture.

Front

Isomer

Back

One of a group of substances with the same combination of elements but arranged spatially in different ways.

Front

Zeotropic

Back

Refrigerant blend comprising multiple components of different volatilities.