Question

functions of defrost heater​

Answer 1

Answer:

A defrost thermostat opens the heater circuit when the evaporator temperature rises above a preset temperature, 40°F (5°C) or more, thereby preventing excessive heating of the freezer compartment. ... This allows them to be heated for short periods of time to dispose of frost, without heating the contents of the freezer.

Answer 2

Explanation:

,

A defrost thermostat opens the heater circuit when the evaporator temperature rises above a preset temperature, 40°F (5°C) or more, thereby preventing excessive heating of the freezer compartment. ... This allows them to be heated for short periods of time to dispose of frost, without heating the contents of the freezer