Daikin Industries, Ltd.

Daiken Industries, Ltd.

Hisashi Sumida

Kiyoshi Shima

Kaya Horiuchi

Yasuaki Miyaba

Takashi Hasegawa

Satoshi Yagi

Mitsuhiko Yamamoto

Masaharu Sogabe

Yukihiro Takagaki

Hiroshi Doumae

Takashi Okano

Keiichi Yoshisaka

Hirotaka Saruwatari

Mario Hayashi

Kentaro Niki

Hiroyuki Matsuura

Morikuni Natsume

Sunao Ueda

Ikuo Takahashi

Tooru Kubo

A remote control unit of an air conditioning apparatus includes a display unit, a cursor-moving member, a confirmation member, and a controller. The display unit displays a menu and a cursor that indicates an item among a plurality of items inside the menu and is moved by the cursor-moving member when operated by a user. The confirmation member is configured to decide that the item is to be executed. The controller controls the display unit in response to the cursor-moving member or confirmation member being operated. The controller positions an item corresponding to a predetermined input at the top of the menu upon receiving the predetermined input.

Remote control unit of air conditioning apparatus having a menu with items displayed in a predetermined order and a top item in the menu being different when a predetermined input is received

An air-conditioning controller is configured to receive an operation input for an air-conditioning apparatus capable of being set to a plurality of airflow direction settings. The air-conditioning controller includes a switching button, a determination unit and a display unit. The switching button is for switching between the airflow direction settings. The determination unit is configured to determine a currently selected airflow direction setting based on an operation input inputted via the switching button. The display unit is configured to simultaneously display an image and a character corresponding to the airflow direction setting determined to be currently selected by the determination unit.

Air-conditioning controller

An air conditioning controller includes a storage component, a data receiving component configured to receive set numeric data, a display component configured to display data, and a control component. The storage component has stored operation explanation data, relationship explanation data, and setting layout display data stored therein. The stored operation explanation data defines operations of functions executed in the air conditioner. The relationship explanation data defines relationships between explanations of operations of functions and values that are set. The setting display layout data includes setting display region data and explanation display region data. The control component is configured to cause the set numeric data that the data receiving component has received to be displayed in a setting display region while causing the operation explanation data and the relationship explanation data to be displayed in an explanation display region in accordance with the setting display layout data.

Air conditioning controller

An object of the present invention is to reduce electrical noise in accordance with the necessity of a countermeasure taken against electrical noise without changing a structure of an expansion valve. In a case where a judgment result as to whether or not the countermeasure against electrical noise is taken is affirmative, a drive timing (interval) of an expansion valve () is increased. Further, a driving amount is reduced. Accordingly, a flow of a refrigerant is made slow, whereby it is possible to reduce generated electrical noise while performing instructed temperature control.

Refrigerant cycle and method of controlling the same

A remote control unit of an air conditioning apparatus includes a display unit, a cursor-moving member, a confirmation member, and a controller. The display unit displays a menu and a cursor that indicates an item among a plurality of items inside the menu and is moved by the cursor-moving member when operated by a user. The confirmation member is configured to decide that the item is to be executed. The controller controls the display unit in response to the cursor-moving member or confirmation member being operated, and stores screen display modes displayed on the display unit. Upon receiving a predetermined input from the confirmation member, the controller causes items allowing selection of the display modes to be displayed on the menu.

Remote control unit of air conditioning apparatus

A serial number detection portion simultaneously transmits a detection command for requesting a first digit of a serial number to plurality of indoor units, and the serial number detection portion simultaneously transmits a detection command for requesting a second digit immediately preceding the first digit to the indoor units when a response to the detection command is absent. That is, the address setting is performed again from the immediately preceding digit without returning to an initial digit of the serial number, so that the time necessary for the address setting can be shortened. When the address setting is performed again from the immediately preceding digit, the address setting can be performed more securely by changing a method of recognizing the detection command in the indoor units.

Air conditioner and address setting method in air conditioner

An outdoor unit includes an outdoor unit control circuit, an inverter substrate and a compressor. Periodic communication showing the operating condition of the inverter substrate is set from the inverter substrate to the outdoor unit control circuit. Thus, when the communication is performed normally, the drive of the compressor is changed to a power saving process according to the necessity of the power consumption and the operating condition of the inverter substrate. When the communication is defective, the power-on reset is done to the inverter substrate.

Outdoor unit of air conditioner and its control method

A normality determination unit determines that a communication function for an outdoor unit of its own is normal when receiving a signal from one of indoor units, and writes a normality flag into an EEPROM. Further, the normality determination unit determines that it is not asserted that the communication function for the outdoor unit of its own is normal when not receiving a signal from any of the indoor units for a predetermined time period, and deletes the normality flag in the EEPROM.

Electric device and method of normality determination for communication function in such an electric device

The present invention relates to an air conditioner and a remote controller for the air conditioner, and aims at inhibiting a remote controller operation by a person other than a specific user. Therefore, the specific user previously operates an operation button thereby inputting a set password or the like with respect to a remote controller . A CPU stores the input set password or the like in a memory . When setting of the set password or the like is carried out, the CPU displays the purport that the remote controller is in a locked state on a display part . Even if a remote controller operation related to operation setting of the air conditioner is carried out, the CPU invalidates the operation contents unless input of an input password or the like matching with the set password or the like is performed.

Remote controller for air conditioner and air conditioner

A set back timer for an air conditioner is provided with a display screen ( ) for the representation of information about normal and set back operations of the air conditioner, wherein a normal operation time period display ( ) indicating a time period of the day during which period a normal operation is carried out and a set back time period display ( ) indicating a time period in the normal operation time period during which period a set back operation is carried out are displayed independently of each other on the display screen ( ). Such arrangement enables an air conditioner user to easily and correctly confirm, at a glance, the relationship between a normal operation time period and a set back operation time period in the normal operation time period for the day, and the contents of a setting can be confirmed remarkably easily, thereby contributing to improvements in air conditioner operability.

Setback timer of air conditioner, air conditioning system, and method of setting setback timer display

The present invention is provided with a remote controller case having an opening for air intake. The remote controller case includes a circuit board provided with a temperature detection circuit. The circuit board has a temperature sensor corresponding to the opening for air intake. When the air-conditioning apparatus is installed, the output data of the temperature sensor are corrected according to the installing environment. After the air-conditioning apparatus is installed, the output data of the temperature sensor are corrected to have a temperature lowered by a predetermined degree to make the remote controller perform a temperature control operation.

Growing community of inventors

Osaka, Japan

Hisashi Sumida