Description
The Heatcraft Refrigeration 28906701 Pressure Control Fan Cycling is used to operate the condenser fans by switching the fan on and off depending on the pressure levels in the system. It measures the refrigerant pressure and opens or closes the circuit to ensure that the head pressure is correct. It works by detecting changes in pressure and regulating the operation of the fans to maintain the conditions within the needed range. It is linked to the condenser control circuit in the HVAC systems, and is interrelated with fan motors to control airflow. Its application assist in keeping the pressure constant.
