Trane CNT3775 Defrost Control SPDT 50 Capacitor 10°F to 50°F

The Trane CNT3775 is a defrost control exclusive for Trane refrigeration systems. Evaporator coils in an air conditioner are protected from a buildup of frost by this precision device that also provides the better cooling performance possible. Airflow and evaporator coil cooling effectiveness is limited by frost accumulation on the evaporator coil during operation. The liquid or gas contracts as the temperature of the longer capillary tube usually 52.5" drops due to frost formation, activating a switch mechanism to the SPDT design. The Trane defrost control powers heating elements embedded in the coil, melting frost buildup and restoring maximum cooling performance by turning off compressor power and starting a defrost cycle.