| 摘要 |
PROBLEM TO BE SOLVED: To reduce the adhesion of dust to a filter. SOLUTION: This air conditioning system is equipped with an indoor unit 1 which is equipped with at least a heat exchanger on use side, out of a freezing cycle where a compressor, a heat exchanger on heat source side, a throttle device, and a heat exchanger on use side are connected in order with one another by refrigerant pipes, and a blower which generates an air current passing through this heat exchanger on use side; a ceiling duct 22 which is arranged between a heating element being an object to be air-cooled and the indoor unit 1 and leads the heated air from the heating element to the suction port of the indoor unit 1; a filter 24 which is provided on the side of the heating element in the ceiling duct 22; and a filter 25 which is provided on the side of the indoor unit 1 in the ceiling duct 22 and is finer in mesh than the filter 24. |
