The fan-coil assembly is intended for use in lieu of a fan room with built-up system on board. It is designed for ready connection to a chilled water system, a drainage system, an air distribution system, and a power source. The belt drive for the centrifugal fan is intended to permit selection of capacity to fit application depending on the use or extent of ductwork required. The adjustable motor pulley if specified to permit ready selection of fan speed to fit specific application. Type II fan-coil assemblies should be specified when no duct sections are to be attached to the unit when it is placed in service. Type III fan-coil assemblies should be specified when one or more duct sections are to be attached to the air inlet or to the air outlet of the fan-coil assembly when it is placed in service.