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Patent Searching and Data


Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2021/090776
Kind Code:
A1
Abstract:
This air conditioner (1) comprises a refrigerant circuit (6), and comprises a connection part (85), a circuit configuration part (97), a first member (110), and a control unit (22). The connection part is connected to a first electric wire (91) connected to a first device (80) among a plurality of safety devices including at least two types of a refrigerant detector, an alarm device, a shutoff valve, and a ventilation device, and a second electric wire (92) connected to a second device (90) that is different from the first device among the plurality of safety devices. The circuit configuration part forms an interlock circuit (98) together with the first electric wire and the second electric wire connected to the connection part. The first member can form a first circuit (99) including at least a part of the circuit configuration part without using the first electric wire and the second electric wire. The control unit prohibits the operation of the air conditioner when no current flows through both the interlock circuit and the first circuit.

Inventors:
MINAMI JUNYA
Application Number:
PCT/JP2020/040900
Publication Date:
May 14, 2021
Filing Date:
October 30, 2020
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B49/02; F24F11/36; F24F11/89
Foreign References:
JP2019027663A2019-02-21
JPS55174647U1980-12-15
JP2001336694A2001-12-07
JP2019060517A2019-04-18
JPS59113931U1984-08-01
JP2019052785A2019-04-04
Other References:
See also references of EP 4056925A1
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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