Which of the following statements is correct?

a. Electronic defrost controls use logic to determine the need for a defrost cycle.
b. Mechanical defrost controls are significantly cheaper than electronic models.
c. A defrost cycle starts as soon as the coil temperature is below the setpoint.
d. Mechanical defrost controls base defrost cycles on time alone


a. Electronic defrost controls use logic to determine the need for a defrost cycle.

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