Patent ID: 6272880
Filing Date: 2001-08-14
Classification: F24F,F25B

Abstract:
An air conditioner comprising:a casing installed on a rooftop, which comprises a heat-use-side casing and a heat-source-side casing which are formed continuously with each other, the heat-use-side casing comprising a plurality of heat-use-side spaces and the heat-source-side casing comprising a heat-source-side space;a heat-source-side heat exchanger contained in the heat-source-side space;a plurality of heat-use-side heat exchangers respectively contained in the plurality of heat-use-side spaces;a plurality of suction ports for air open to the respective heat-use-side spaces and a plurality of delivery ports for conditioned air open to the respective heat-use-side spaces;a duct which is to communication with a room, the duct being connected with at least one of the suction ports and the delivery ports;a plurality of heat-use-side fans provided in the plurality of heat-use-side spaces, respectively, the plurality of heat-use-side fans operating in association with the plurality of heat-use-side heat exchangers, respectively; anda refrigerant circuitry formed by connecting the plurality of heat-use-side heat exchangers and the heat-source-side heat exchanger, the refrigerant circuitry comprising a plurality of expansion mechanisms respectively located on liquid lines between branch parts of refrigerant liens and the plurality of heat-use-side heat exchangers, respectively,wherein each of the expansion mechanisms is adjustable in opening in accordance with each heat load, andthe plurality of heat-use-side heat exchangers generate conditioned airs different from one another, which are supplied to a plurality of air conditioning zones, respectively.