Title:
REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/122686
Kind Code:
A1
Abstract:
Provided is a refrigeration device in which it is possible to minimize a decrease in the temperature of an indoor heat exchanger while also preventing a compressor from running out of refrigerant oil. An air-conditioning device (100) formed by connecting a plurality of outdoor units (10, 20) in parallel to indoor units (61, 65), wherein when a predetermined defrosting condition is established, a control unit (7) selects and executes a reverse cycle defrost mode if a predetermined outflow condition pertaining to an outflow cumulative amount of refrigerant oil is further established, and the control unit (7) selects and executes an alternating defrost mode in which the outdoor unit (10, 20) subject to defrosting is sequentially changed if a predetermined outflow condition is not established.
Inventors:
OHURA RYUUTA
MINAMI JUNYA
MINAMI JUNYA
Application Number:
PCT/JP2017/000648
Publication Date:
July 20, 2017
Filing Date:
January 11, 2017
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B47/02; F24F11/02
Foreign References:
| JP2014126310A | 2014-07-07 | |||
| JP2013155964A | 2013-08-15 |
Other References:
See also references of EP 3404344A4
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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