What is the purpose of a blower relay coil in refrigeration systems?

The purpose of a blower relay coil in refrigeration systems is to control the blower fan operation. The blower relay is integral in effectively managing the airflow within the system, ensuring that air is circulated properly over the evaporator coil and throughout the space being cooled. When the system is activated, the relay receives signals that determine when the blower fan should turn on and off, facilitating the cooling process.

In typical refrigeration applications, the relay allows for the blower fan to operate independently of the compressor, which enhances the system's efficiency and temperature control. It ensures that even when the compressor is not running, the blower can still circulate air to minimize temperature fluctuations and help maintain a more consistent indoor climate.