Question 20Refrigeration/AC - 1st Asst/Chief70% to pass
When the relief valve opens on a refrigeration compressor discharge line, it discharges high-pressure refrigerant vapor to what location?
AI Explanation
The correct answer is D) suction side of the compressor.
When the relief valve opens on a refrigeration compressor discharge line, it discharges the high-pressure refrigerant vapor to the suction side of the compressor. This is done to protect the compressor and other components from excessive pressure buildup, which could cause damage. The high-pressure refrigerant vapor is then drawn back into the compressor, allowing the system to continue operating safely.
The other answer choices are incorrect because: A) the refrigerant would not be discharged to the condenser inlet, B) the liquid strainer is not the appropriate location, and C) the evaporator inlet would not be the correct destination for the discharged refrigerant.
Related Questions
#18 Which of the lettered components shown in the illustration indicates the high pressure cutout? Illustration GS-RA-12 #19 In a refrigeration system that is not protected by a water failure switch, if the cooling water to the condenser fails, what will be the result for protective purposes? #21 During the initial cooling down of a box temperature in a refrigeration system, which of the devices listed is used to prevent excessive gas pressure at the compressor suction for the purpose of prevention of overloading of the compressor driver? #22 Which of the conditions listed could cause excessively low refrigerant pressure at the compressor suction of a TXV controlled refrigeration system? #23 An excessive charge of refrigerant in a thermostatically controlled, air-cooled, refrigeration system using a TXV as an expansion device can cause which of the following?