FSF-N15 804640, Refrigeration Temperature and Pressure Control Parts

The FSY Fan Speed Control controls the head pressure in air- cooled condensers by reducing the fan speed to maintain head pressure as the outside temperatures/condenser pressure drops. As the motor speed drops under lower ambient/load condition fan noise is also reduced. The FSY is designed for use with permanent split capacitor and shaded pole fan motors, approved for use by motor/equipment manufacturers for variable voltage, phase angle (triac) speed control.