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Fan
A fan is a device with wings or an impeller that rotates by means of an electric motor. Upon the rotation of the wings or impeller, air is set in motion. The rotation causes the mechanical work to be transferred to the air.
Fan coil
A fan coil is used to heat or cool down air in many different types of locations, for example; in production areas in the food industry, warehouses, offices, supermarkets, etc.Since it does not have any ductwork, a fan coil unit is used to control the temperature only in the space where it is installed.
Fieldbus
A fieldbus is the information highway that connects the components in a BMS system to allow monitoring and controlling of air-conditioning systems, heating systems, lighting systems, ventilation, wastewater systems etc.
Fin spacing
Fin spacing is the distance between fins which are used on fan coils, air coolers, dry coolers, evaporators and condensers. Increasing or decreasing fin spacing has a major impact on the coil performance.
Frequency converter
A frequency converter is an electric device that converts a current with one frequency to a current with another frequency. The voltage is normally the same before and after frequency conversion. Frequency converters are normally used for speed regulation of motors used to drive pumps and fans.