Title:
Air-conditioner
Document Type and Number:
Japanese Patent JP6052488
Kind Code:
B2
Abstract:
An outdoor unit for an air-conditioning apparatus includes: a compressor; an outdoor fan; a plurality of outdoor heat exchangers coupled to a plurality of indoor units; a switching member configured to switch functions of the outdoor heat exchangers to either condensers or evaporators by switching of coupling states between the compressor and the outdoor heat exchangers; and a control unit configured to calculate a low pressure saturation temperature during a cooling operation or a cooling-main operation, and configured to cause all of the plurality of outdoor heat exchangers to serve as condensers by controlling the switching member when a state in which an open-air temperature is lower than the low pressure saturation temperature continues for a predetermined time.
Inventors:
Hideya Tamura
Matsunaga Takahiro
Watanabe Maju
Keito Kawai
Takashi Kimura
Totaro Hirotaro
Yasuhiro Oka
Ken Nakajima
Matsunaga Takahiro
Watanabe Maju
Keito Kawai
Takashi Kimura
Totaro Hirotaro
Yasuhiro Oka
Ken Nakajima
Application Number:
JP2012153762A
Publication Date:
December 27, 2016
Filing Date:
July 09, 2012
Export Citation:
Assignee:
Fujitsu General Limited
International Classes:
F25B13/00; F24F11/02; F25B29/00; F25B41/31
Domestic Patent References:
| JP2006145174A | ||||
| JP5172429A | ||||
| JP7055280A | ||||
| JP2001033119A | ||||
| JP9310931A |