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 (JP)
HASEGAWA TAKASHI (JP)
NAKAYAMA TOSHIMICHI (JP)
HASEGAWA TAKASHI (JP)
NAKAYAMA TOSHIMICHI (JP)
Application Number:
PCT/JP2019/003693
Publication Date:
August 22, 2019
Filing Date:
February 01, 2019
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F24F11/41; F24F1/0093; F24F11/42; F25B47/02
Foreign References:
| JP2012149837A | 2012-08-09 | |||
| JPH08226716A | 1996-09-03 | |||
| JP2015025627A | 2015-02-05 |
Other References:
See also references of EP 3719409A4
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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