AIR-CONDITIONING SYSTEM - DAIKIN IND LTD

Title:

AIR-CONDITIONING SYSTEM

Document Type and Number:

WIPO Patent Application WO/2021/157161

Kind Code:

A1

Abstract:

The purpose of the present invention is to take measures against leakage of a refrigerant even when a detection unit and a countermeasure device are not compatible with each other.　An air-conditioning system (1) is provided with: an air-conditioning device (10) that has a refrigerant circuit (10a) to which an outdoor unit (20) and a plurality of indoor units (30) are connected and that performs air-conditioning in a plurality of indoor spaces (A); one or more countermeasure devices (V, 65) that are provided corresponding to at least one of the indoor spaces (A) and that operate during leakage of a refrigerant; a plurality of detection units (70) at least one of which is provided to each of the indoor spaces (A) and which detect refrigerant concentrations; and a control unit (81) that operates all the countermeasure devices (V, 65) when at least one of the refrigerant concentrations respectively detected by the detection units (70) exceeds a prescribed value.

Inventors:

SASAYAMA HIROKI (JP)
SUZUKI SHUUICHI (JP)

Application Number:

PCT/JP2020/043188

Publication Date:

August 12, 2021

Filing Date:

November 19, 2020

Export Citation:

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Assignee:

DAIKIN IND LTD (JP)

International Classes:

F25B41/20; F24F7/007; F24F11/36; F24F11/56; F24F11/77; F25B49/02; F24F110/65

Domestic Patent References:

WO2017002216A1

2017-01-05

Foreign References:

JP2017053509A	2017-03-16
JP2019039567A	2019-03-14
JP2015197279A	2015-11-09
JP2018155461A	2018-10-04
JP2016151395A	2016-08-22

Other References: