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Title:
AIR-CONDITIONING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/159721
Kind Code:
A1
Abstract:
This air-conditioning apparatus (10) comprises: a refrigerant circuit (11) connecting a first heat exchanger (22), a second heat exchanger (31), a radiant panel (40), and an expansion valve (51) which adjusts the flow rate of refrigerant that flows through the radiant panel (40); and a control unit (C1) for switching between a conventional refrigerating cycle in which cooling or heating is performed with the radiant panel (40), and a defrost cycle in which the first heat exchanger (22) serves as a heat sink and the second heat exchanger (31) serves as an evaporator. During the defrost cycle, the control unit (C1) closes the expansion valve (51) completely.

Inventors:
EBINA Hiroshi (Umeda Center Building, 4-12, Nakazaki-nishi 2-chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
HASEGAWA Takashi (Umeda Center Building, 4-12, Nakazaki-nishi 2-chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
NAKAYAMA Toshimichi (Umeda Center Building, 4-12, Nakazaki-nishi 2-chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
Application Number:
JP2019/003693
Publication Date:
August 22, 2019
Filing Date:
February 01, 2019
Export Citation:
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Assignee:
DAIKIN INDUSTRIES, LTD. (Umeda Center Building, 4-12 Nakazaki-nishi 2-chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
International Classes:
F24F11/41; F24F1/0093; F24F11/42; F25B47/02
Attorney, Agent or Firm:
MAEDA & PARTNERS (Shin-Daibiru Bldg. 23F, 2-1 Dojimahama 1-chome, Kita-ku, Osaka-sh, Osaka 04, 〒5300004, JP)
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