<p>This Architectural Drawing is of FCU INSTALLATION DETAILS OF CHILLER SYSTEM. A chilled water fan coil unit (FCU) works by <strong>transferring heat from the air passing over the internal heat exchanger to the chilled water passing within</strong>. Cold water is supplied by a chiller unit, or reversible heat pump, which is installed in a central plant room or on the roof of a building. A fan coil unit (FCU) is <strong>a device that uses a coil and a fan to heat or cool a room without connecting to ductwork</strong>. Indoor air moves over the coil, which heats or cools the air before pushing it back out into the room. For more details and information download the drawing file.</p>