Indoor unit of air-conditioning apparatus, and air-conditioning apparatus including the indoor unit
a technology for air-conditioning equipment and indoor units, which is applied in the direction of lighting and heating equipment, space heating and ventilation control systems, heating types, etc., can solve the problems of flammable refrigerant used in air-conditioning equipment and leaking refrigerant may ignite, so as to improve the accuracy of refrigerant detection
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embodiment 1
[Indoor Unit 100]
[0020]FIG. 1 is a bottom view of an indoor unit 100 of an air-conditioning apparatus according to Embodiment 1 of the present disclosure. FIG. 2 is a sectional view of the indoor unit 100 in FIG. 1 taken along the line A-A. An X axis in the drawings including FIG. 1 shows a lateral width direction of the indoor unit 100, a Y axis shows a front-rear direction of the indoor unit 100, and a Z axis shows a vertical direction of the indoor unit 100. More specifically, in a description of the indoor unit 100, an X1 side of the X axis is a left side, an X2 side of the X axis is a right side, a Y1 side of the Y axis is a front side, a Y2 side of the Y axis is a rear side, a Z1 side of the Z axis is an upper side, and a Z2 side of the Z axis is a lower side. Positional relationships (for example, vertical relationship) of components herein are those when the indoor unit 100 is installed to be usable. In this embodiment, a four-direction cassette indoor unit 100 will be descr...
embodiment 2
[0043]FIG. 9 is an exploded perspective view of a sensor holder 60 provided in an indoor unit 100 of an air-conditioning apparatus according to Embodiment 2 of the present disclosure. FIG. 10 is an exploded perspective view of the sensor holder 60 provided in the indoor unit 100 of an air-conditioning apparatus according to Embodiment 2 of the present disclosure, as viewed from a different direction. The same components as in the indoor unit 100 in FIGS. 1 to 8 are denoted by the same reference signs and descriptions of the components are omitted. With reference to FIGS. 9 and 10, the indoor unit 100 of Embodiment 2 will be described. As described above, both a refrigerant detection sensor 50 and a temperature sensor 70 are provided in the sensor holder 60. The refrigerant detection sensor 50 is separated from the temperature sensor 70 in one sensor holder 60. In the refrigerant detection sensor 50, for example, a voltage is applied to a gas-sensitive element to promote a chemical r...
embodiment 3
[Air-Conditioning Apparatus 200]
[0045]FIG. 11 is a schematic configuration diagram of an air-conditioning apparatus 200 according to Embodiment 3 of the present disclosure. An indoor unit 100 used in the air-conditioning apparatus 200 according to Embodiment 3 is the same as the indoor unit 100 shown in FIGS. 1 to 10 in Embodiments 1 and 2. The air-conditioning apparatus 200 according to Embodiment 3 transfers heat between outdoor air and indoor air via refrigerant to heat or cool a room for air conditioning. The air-conditioning apparatus 200 according to Embodiment 3 includes an outdoor unit 50 and the indoor unit 100. In the air-conditioning apparatus 200, the outdoor unit 150 and the indoor unit 100 are connected by refrigerant pipes 300, 400 to form a refrigerant circuit in which the refrigerant circulates. The refrigerant pipe 300 is a gas pipe through which gas-phase refrigerant flows, and the refrigerant pipe 400 is a liquid pipe through which liquid-phase refrigerant flows....
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