Title:
AIR CONDITIONING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/276535
Kind Code:
A1
Abstract:
This air conditioning system 100 comprises: an outdoor unit 110 having a heat-source-side refrigerant circuit RC1; indoor units 120 having a service-side refrigerant circuit RC4; a first joining pipe 11 and a third joining pipe 13 for connecting the heat-source-side refrigerant circuit RC1 and the service-side refrigerant circuit RC4; an outside air processing unit 130A that has a first auxiliary refrigerant circuit RC21 and an air supply fan 137 that supplies, to a first space S11, outside air OA that has passed through an air-supply-side auxiliary heat exchanger 131 connected to first branch piping 14 branching from the first joining pipe 11 and to second branch piping 15 branching from the third joining pipe 13, said first auxiliary refrigerant circuit RC21 including the air-supply-side auxiliary heat exchanger 131; a first cutoff valve 161 provided to the first branch piping 14; and a second cutoff valve 162 provided to the second branch piping 15. The flow of refrigerant between the heat-source-side refrigerant circuit RC1 and the first auxiliary refrigerant circuit RC21 is cut off by the action of the first cutoff valve 161 and the second cutoff valve 162.
Inventors:
NAKANISHI TAKAYA (JP)
FUKUYAMA YUTA (JP)
MATSUOKA SHINYA (JP)
FUKUYAMA YUTA (JP)
MATSUOKA SHINYA (JP)
Application Number:
PCT/JP2022/022293
Publication Date:
January 05, 2023
Filing Date:
June 01, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F24F11/84; F24F7/08; F25B41/20
Domestic Patent References:
| WO2018011994A1 | 2018-01-18 | |||
| WO2019082377A1 | 2019-05-02 |
Foreign References:
| JP2005049059A | 2005-02-24 | |||
| JPH0320573A | 1991-01-29 | |||
| JPH0320573A | 1991-01-29 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
Download PDF: