The EPR Valve Is Installed in the Suction Line at the Evaporator

question 9

Multiple Choice

The EPR valve is installed in the suction line at the evaporator outlet and it ____.

• A) modulates the refrigerant vapor to the compressor
• B) prevents the boiling point in the evaporator from dropping below a pre-set point
• C) when used with a TX valve the system has the characteristics of maintaining a constant superheat and keeping the pressure from going too low
• D) All of the above.

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Definitions:

Acre

A unit of land area used in the imperial and US customary systems, equivalent to 4,840 square yards or about 4,047 square meters.

Cubic Meter

A unit of volume in the International System of Units, representing the volume of a cube with edges one meter in length.

Liter

A metric unit of volume equal to one cubic decimeter, commonly used to measure liquids and other volumes in the scientific and commercial worlds.

Snowmelt

The process of snow and ice melting, often contributing to river flow in many parts of the world, and can lead to flooding if rapid.