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BMS Controls Glossary

Fan Coil Unit Chilled Water

A fan coil unit (FCU) is a type of air conditioning system that uses chilled water to cool air. It is a type of HVAC system, which stands for Heating, Ventilation, and Air Conditioning. An FCU consists of a fan, a coil, and a heat exchanger. The fan is used to draw air from the room and blow it over the coil, which is filled with chilled water. The heat exchanger then transfers the heat from the air to the chilled water, cooling the air. This cooled air is then returned to the room. FCUs are used in many commercial and residential buildings, as they are a cost-effective way to provide cooling and heating. They are also energy efficient, as they only use energy when the fan is running. FCUs are an ideal choice for buildings that require cooling and heating in different areas, as they can be zoned to provide different temperatures in different areas.