Technician "A" says that a multi-evaporator system equipped with three evaporators (one high temperature, one medium temperature, and one low temperature) will use one evaporator pressure regulator and two flow check valves. Technician "B" says that the crankcase pressure regulator is used to keep the low-temperature compressor from overloading on a hot pulldown. Which of the following statements is correct?
A) Technician "A" is correct. Technician "B" is correct.
B) Technician "A" is correct. Technician "B" is incorrect.
C) Technician "A" is incorrect. Technician "B" is correct.
D) Technician "A" is incorrect. Technician "B" is incorrect.

Question

Quizplus · Accepted Answer

Technician "B" is correct because a crankcase pressure regulator is indeed used to prevent the compressor from overloading during a hot pulldown. Technician "A" is incorrect because a multi-evaporator system with three evaporators would typically require more than one evaporator pressure regulator to control the pressure for each evaporator.

Technician "A" Says That a Multi-Evaporator System Equipped with Three