Daikin Industries, Ltd.

Hidetaka Kishimoto

Shohei Yamada

Manabu Yoshimi

Shinichi Kasahara

Takeshi Hikawa

Hiroyuki Kagitani

A refrigerant amount determining device includes: an operation data acquiring unit configured to acquire operation data of an air conditioning system; a calculating unit configured to calculate a refrigerant amount index value from the operation data acquired; an inferring unit configured to infer information regarding correction of the refrigerant amount index value using a correction model and at least one of the acquired operation data or the calculated refrigerant amount index value; and a determining unit configured to determine a refrigerant amount of the air conditioning system based on the information regarding correction of the refrigerant amount index value.

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Osaka, Japan

Hidetaka Kishimoto