Mitsubishi Electric Corporation

Mitsuhiro Sugimura

Kenichiro Okura

Yoshiteru Murata

An operation device includes a control board, a case, a base member, and a protective cover located inside the case and protecting the control board by separating, inside the case, a space defined by the base member and the case into a first space for the control board and a second space exposed to the base member. The base member has an annular rib surrounding an installation hole. The protective cover has, on a surface facing the base member, a recess in an area corresponding to the rib. The rib is fitted in the recess with a leading edge in contact with the bottom of the recess. A screw inserted in the hole has a head inside a third space defined by the rib and the bottom of the recess.

Operation device

An air-conditioning system is provided with an air-conditioning apparatus management apparatus and an air-conditioning apparatus which transmits and receives various signals to and from the air-conditioning apparatus management apparatus. The air-conditioning apparatus management apparatus manages the air-conditioning apparatus, an operational state of the air-conditioning apparatus management apparatus is linked to an operational state of the air-conditioning apparatus, and software set in the air-conditioning apparatus management apparatus is updated based on the operational state of the air-conditioning apparatus management apparatus.

Growing community of inventors

Tokyo, Japan

Mitsuhiro Sugimura