Abstract: A centralized automatic control system includes a master diffuser including a sensor box unit and a controller provided with a hot-wire unit to which power is supplied, a piston connected to the hot-wire unit, a supply air damper connected to the piston, and a discharge port connected to the supply air damper to be opened and closed; a remote control unit included in a building automation system (BAS) and installed with control software to monitor room temperature sensed by the master diffuser and supply air temperature of supply air supplied into a room and input a preset temperature into the master diffuser; and a second diffuser installed with a terminal box unit and operating in subordination to the master diffuser.

Abstract: A centralized automatic control system comprises a master diffuser including a room temperature sensing unit including a room temperature sensor, a supply air temperature sensing unit including a supply air temperature sensor, a sensor box unit and a controller provided with a hot-wire unit to which power is supplied, a piston connected to the hot-wire unit, a supply air damper connected to the piston, and a discharge port connected to the supply air damper to be opened and closed.