A chilled water terminal unit is a type of equipment used in heating, ventilation, and air conditioning (HVAC) systems. It is responsible for controlling the temperature of the air in a space by providing a chilled water supply to the air handling unit. The chilled water terminal unit typically consists of a cooling coil, fan, and controls. The cooling coil is responsible for cooling the air, while the fan circulates the air throughout the space. The controls allow the user to adjust the temperature of the air, as well as the speed of the fan. The chilled water terminal unit is an essential component of any HVAC system, as it is responsible for providing a comfortable and safe environment for occupants. It is important to ensure that the unit is properly maintained and serviced in order to ensure optimal performance and efficiency.