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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