Title:
AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/166576
Kind Code:
A1
Abstract:
An air conditioning device which is capable of switching between cooling and heating and in which an outside air treatment unit (2) and indoor air conditioning units (20, 21) are connected in parallel to a heat source unit (1) that has a compressor (3) and a heat source-side heat exchanger (5). The air conditioning device comprises: an outside air treatment heat exchanger (7a) which is mounted to the outside air treatment unit (2) and in which a plurality of heat exchangers (7aa, 7ab) are connected in parallel; throttle devices connected to respective refrigerant channels of the plurality of heat exchangers (7aa, 7ab); a required capability detection unit (71b) which determines the required capability of the outside air treatment unit (2); and a control unit (17a) which switches the heat exchange capacity of the outside air treatment heat exchanger (7a) by controlling the plurality of throttle devices (6aa, 6ab) in accordance with the required capability during a heating operation.
Inventors:
TSUTSUMI HIROSHI (JP)
Application Number:
PCT/JP2014/062111
Publication Date:
November 05, 2015
Filing Date:
May 01, 2014
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F3/044; F24F11/02
Foreign References:
| JPH09287800A | 1997-11-04 | |||
| JP2007132651A | 2007-05-31 | |||
| JPH04174225A | 1992-06-22 | |||
| JPS6375712U | 1988-05-20 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Patent business corporation きさ patent trademark office (JP)
Patent business corporation きさ patent trademark office (JP)
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