Lg Electronics Inc.

Bub Lae Kim

Jong Wook Kim

An equipment controlling system and a controlling method thereof are disclosed. The system includes a first controller connected to equipments of a first group to monitor and control operations of the equipments; and a second controller connected to equipments of a second group to monitor and control operations of the equipments; the first controller emergently controlling the equipments of the second group when the second controller malfunctions, and the second controller emergently controlling the equipments of the second group when the first controller malfunctions. When control problem of equipments such as indoor and outdoor unit due to malfunction of a controller is solved, a systemic and consistent control are enabled by consistently controlling the equipments so that control efficiency is enhanced and the equipments are kept in operating to provide a comfortable condition and an improved convenience to a user.

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Changwon-si, South Korea

Bub Lae Kim