Airflow switches are generally used to ensure that ____ before the compressor is permitted to start.
A) a pre-set temperature has been reached
B) air has reached saturation point
C) a pre-set pressure has been reached
D) air is moving across the evaporator coil

Question

Quizplus · Accepted Answer

Airflow switches are used to ensure that air is moving across the evaporator coil before allowing the compressor to start. This is to prevent damage to the system by ensuring there is airflow to absorb heat when the compressor is running.

Airflow Switches Are Generally Used to Ensure That ____ Before