Source: http://www.google.com/patents/US6457320?ie=ISO-8859-1
Timestamp: 2014-11-24 01:37:54
Document Index: 610736124

Matched Legal Cases: ['art. 6', 'art. 18', 'art. 20', 'art 1', 'arts 1', 'art 1', 'arts 1', 'art 1', 'arts 1', 'art 215', 'art 219', 'art 219', 'art 255', 'art 255', 'art 220', 'art 221', 'art 220', 'art 220', 'art 221', 'art 220', 'art 220', 'art 221', 'art 220', 'art 221', 'arts 220', 'arts 220', 'art 221', 'art 220', 'art 223', 'art 223', 'arts 223', 'art 223', 'art 223', 'art 223', 'art 216', 'art 216', 'art 216', 'art 216', 'art 229', 'arts 214', 'art 230', 'art 214', 'art 216', 'art 214', 'art 216', 'art 230', 'art 229']

Patent US6457320 - Air conditioner, its installation tool, and method of installation of air ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsAn air conditioner which can be installed easily at a corner of a room is presented. This is an air conditioner which can be installed at a corner between a first wall and a second wall of a room. It has a frame body having an upper part, a lower part, and side parts, a blower for circulating air, a...http://www.google.com/patents/US6457320?utm_source=gb-gplus-sharePatent US6457320 - Air conditioner, its installation tool, and method of installation of air conditionerAdvanced Patent SearchPublication numberUS6457320 B1Publication typeGrantApplication numberUS 09/342,769Publication dateOct 1, 2002Filing dateJun 29, 1999Priority dateJun 29, 1998Fee statusPaidAlso published asCN1110656C, CN1243231A, US6412297, US20010027661Publication number09342769, 342769, US 6457320 B1, US 6457320B1, US-B1-6457320, US6457320 B1, US6457320B1InventorsKazuhiro Nishikawa, Hirozumi Ito, Hiroharu Kurisutani, Yasuhiro Nakamura, Kenji ShiraiOriginal AssigneeMatsushita Electric Industrial Co., Ltd.Export CitationBiBTeX, EndNote, RefManPatent Citations (13), Referenced by (1), Classifications (13), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetAir conditioner, its installation tool, and method of installation of air conditionerUS 6457320 B1Abstract An air conditioner which can be installed easily at a corner of a room is presented. This is an air conditioner which can be installed at a corner between a first wall and a second wall of a room. It has a frame body having an upper part, a lower part, and side parts, a blower for circulating air, a heat exchanger for exchanging heat with the air, an air diffuser for blowing out the air into the room, a space positioned at an edge of the corner, and a piping connected to the heat exchanger. The connection port of the piping is placed at least at one of (a) a position projecting into the space and (b) a place near the space. This is an installation tool for installing an air conditioner main body having a first side surface and a second side surface at a corner of a first wall and a second wall of a room. The tool includes a first installation board having a first base part and a first stopping part, and a second installation board having a second base part and a second stopping part. The fist installation board is fixed on the first wall, the second installation board is fixed on the second wall, the first installation board holds the first side, and the second installation board holds the second side.
What is claimed is: 1. An air conditioner for installation at a corner of a first wall and a second wall of a room, comprising:
a main body having an upper part, a lower part, side parts, and a rear portion that faces said corner, a blower for circulating air, a heat exchanger for exchanging heat with said air, an electrical unit, an air diffuser for blowing out said air into the room, a piping connected to said air conditioner, and a piping connection of said piping disposed at a position extending into a space, wherein said space is defined by said rear portion, said first wall and said second wall. 2. An air conditioner of claim 1,
wherein one of (a) said upper part and (b) an upward part of said side part and said side part extends into said space. 3. An air conditioner of claim 2,
wherein said upper part has a slit for making a notch, and part of said upper part may be removed as being notched along said slit. 4. An air conditioner of claim 1,
further comprising a connection port for connecting to a drain hose for discharging condensate of said heat exchange, wherein said connection port is disposed near said space, and near one wall of said first wall and said second wall. 5. An air conditioner of claim 1,
wherein said electrical unit is positioned at least at one position of said space and a position near said space, said main body has a provisional holding part, and therefore, in the installation work, said electrical unit can temporarily escape from said position to said provisional holding part. 6. An air conditioner of claim 1,
further comprising a cover separate from said main body so as to cover above said space. 7. An air conditioner for installation at a corner of a first wall and a second wall of a room, comprising:
a main body having an upper part, a lower part, and side parts, a blower for circulating air, a heat exchanger for exchanging heat with said air, an electrical unit, an air diffuser for blowing out said air into the room, a space positioned at an edge of said corner, and a piping connected to said air conditioner, a cover separate from said main body so as to cover above said space, wherein a piping port of said piping is disposed at a position extending into said space, said cover has a slit, and part of said cover can be removed as being notched along said slit. 8. An air conditioner for installation at a corner of a first wall and a second wall of a room, comprising:
a main body having an upper part, a lower part, and side parts, a blower for circulating air, a heat exchanger for exchanging heat with said air, an electrical unit, an air diffuser for blowing out said air into the room, a space positioned at an edge of said corner, and a piping connected to said air conditioner, a cover separate from said main body so as to cover above said space, wherein a piping port of said piping is disposed at a position extending into said space, and said cover is made of an easily cut material. 9. An air conditioner of claim 1,
further comprising a suction grille which may be installed on said lower part of said main body, wherein said suction grille may be mounted on said main body after said main body is installed at said corner. 10. An air conditioner of claim 1,
further comprising a suction grille which may be installed on said lower part of said main body, and a installation member for installing said main body in said room, wherein said suction grille is held by both said main body and said installation member. 11. An air conditioner of claim 10,
wherein said installation member holds only in the vertical direction of said suction grille, and said main body positions in the vertical direction and horizontal direction of said suction grille. 12. An air conditioner of claim 1,
wherein said main body has a handle at least at one position of (a) a surface contacting with said space, and (b) a position near said space. 13. An air conditioner for installation at a corner of a first wall and a second wall of a room, comprising:
a main body having an upper part, a lower part, and side parts, a blower for circulating air, a heat exchanger for exchanging heat with said air, an electrical unit, an air diffuser for blowing out said air into the room, a space positioned at an edge of said corner, and a piping, connected to said air conditioner, wherein a piping port of said piping is disposed at a position extending into said space, and said lower part of said main body has a handle. 14. A method of installing an air conditioner main body at a corner of a first wall and a second wall of a room, comprising the steps of:
(a) supplying an air conditioner main body, said main body comprising: a frame body having an upper part, a lower part, side parts, and a rear portion that faces said corner, a blower for circulating air, a heat exchanger for exchanging heat with said air, an electrical unit, an air diffuser for blowing out said air into the room, a first piping connected to said air conditioner, and a piping connection of said first piping being disposed at a position extending into a space, said space being defined by said rear portion, said first wall and said second wall, (b) exposing a second connection piping linking to an outdoor unit, in said wall, (c) supplying an installation tool for installing said main body in said room, (d) fixing said installation tool to the wall of said room, (e) mounting said main body on said installation tool, and (f) connecting said piping port of said first piping to said second piping, in said space. 15. A method of claim 14,
wherein one of (1) said upper part and (2) an upward part of said upper part and said side part extends into said space, and said step (f) is a step of connecting said connection port of said first piping from the lower part side of said main body to said second piping. 16. A method of claim 14,
wherein said main body has a connection port for discharging condensate of said heat exchanger, said step (b) further has a step of exposing a drain hose linking outdoors from said wall, and said step (f) has also a step of connecting said connection port and said drain hose. 17. A method of claim 14, wherein
said main body includes a cover separate from said main body so as to cover above said space, and said step (f) is a step of notching and removing part of said cover, and connecting said piping port of said first piping to said second piping through the removed part. 18. A method of installation for installing an air conditioner main body at a corner of a room, comprising the steps of:
(a) supplying said air conditioner main body having a first side surface and a second side surface and a rear surface, said air conditioner including a piping connection disposed at a position extending into a space, (b) fixing a first installation board having a first base part, a first stopping part and a first fixing part to a first wall of said room, and fixing a second installation board having a second base part, a second stopping part and a second fixing part to a second wall of said room, and (c) mounting said first side surface to said first stopping part, and mounting said second side plate to said second stopping part, wherein said space is defined by said rear surface, said first wall and said second wall. 19. A method of installation of claim 18,
wherein said first side surface has a first engaging part, said second side surface has a second engaging part, and said step (c) is a step of engaging said first engaging part in said first stopping part, and engaging said second engaging part in said second stopping part. 20. A method of installation of claim 18,
wherein said first installation board has a first mounting position setting part extending to the side part, said second installation board has a second mounting position setting part extending to the side part, and said step (b) is a step of fixing said first base part to said first wall while fitting said first mounting position setting part to said second wall, and fixing said second base part to said second wall while fitting said second mounting position setting part to said first wall. 21. A method of installation of claim 18,
wherein said first installation board has a first horizontal setting part extending to the upper part, said second installation board has a second horizontal setting part extending to the upper part, and said step (b) is a step of fixing said first base part to said first wall while fitting said first horizontal setting part to a ceiling of said room, and fixing said second base part to said second wall while fitting said second horizontal setting part to said ceiling. Description
FIG. 21(a) is a detailed drawing of an installation tool.
FIG. 21(b) is a plan view of FIG. 21(a) as seen from the arrow direction.
FIG. 23 (a) is a perspective view of an installation board of an eleventh exemplary embodiment of the invention.
FIG. 24(b) is a perspective view of an installation board of a twelfth exemplary embodiment of the invention.
FIG. 28 i; an explanatory diagram showing an installation tool of a conventional air conditioner.
REFERENCE NUMERALS 1 Mainbody
5 aFirst engaging hole
Preferably, a specified slit is placed in the upper part of the corner side of the main body, and the corner can be cut off at this slit. In this constitution, the upper part of the corner side of the main body can be cut off easily. Accordingly, the connection piping from the outdoor unit can be drawn into the main body, also from the ceiling side. As a result, the degree of freedom of installation method of the air conditioner is enhanced, and the installation work is much easier.
The method of installation of air conditioner of the invention comprises, in the case of installation of the air conditioner at a corner of a room, a step of mounting a first installation board having a first stopping part to be engaged with a first engaging part installed at a first side surface of the air conditioner to a first wall, a step of mounting a second installation board having a second stopping part to be engaged with a second engaging part installed at a second side surface of the air conditioner to a second wall, and a step of engaging the first engaging part in the first stopping part, engaging the second engaging part in, the second stopping part, and mounting the main body on the first installation board and second installation board.
Embodiment 1 FIG. 1 is a perspective view of installation of an air conditioner in an embodiment of the invention in a living room. An air conditioner main body 1 is installed closely to a corner of a ceiling 402 of the room and a first wall 403 and a second wall 404 in different directions. Inside the main body 1 are disposed a cross flow fan as a blower, a drive unit for rotating the cross flow fan, a heat exchanger, and a water pan for receiving the condensate from the heat exchange;. These constituent elements are same as in the prior art, and detailed description is omitted. An air diffuser 2 is provided at the front side of the main body 1. A wind direction changing device 3 is placed at the front side of the air diffuser 2. A suction grille 4 is fixed on the main body 1 through a suction grille frame 4 in the lower part of the main body 1.
Embodiment 2 FIG. 6a, FIG. 6b, and FIG. 6c are perspective views showing the constitution for mounting of the suction grille. After installation of the main body 1, FIG. 6a shows the state finishing the connection of the second connection piping 13, drain hose 14, connection wire 15, and cap 16 (the cap on the second connection port 8 as mentioned in embodiment 1). FIG. 6b and FIG. 6c show the suction grille unit having a suction grille frame 5 and a suction grille 4. The suction grille frame 5 has a first engaging hole 5 a to be engaged with a first bump 10 b of a first installation board 10, a second engaging hole 5 b to be engaged with a second bump 11 b of a second installation board 11, and fourth holes 5 d, 5 e, 5 f, 5 g for fastening to the main body 1 with screws. As the first bump 10 b is inserted into the first engaging hole 5 a, and the second bump 10 b is inserted into the second engaging hole 5 b, the suction grille frame 5 is supported in the vertical direction at its inner side. Moreover, by joining screw holes 1 e, 1 f, 1 g, 1 h provided in the main body 1 with the fourth holes 5 d, 5 e, 5 f, 5 g by using screws 17, the suction grille frame 5 is fixed in the main body 1. As a third bump 4 a is inserted into a third engaging hole 5 c formed in the suction grille frame 5, the inner side of the suction grille 4 is fixed in the grille frame 5. As fourth bumps 4 b, 4 c, 4 d, 4 e are inserted into sixth engaging holes 1 a, 1 b, 1 c, 1 d provided beneath the air diffuser 2 of the main body 1, the front side of the suction grille 4 is fixed in the main body 1.
In this constitution, the inner part of the suction grille frame 5 that cannot be held by the main body 1 is held by the first installation board 10 and second installation board 11, so that the holding strength of the suction grille frame 5 is maintained sufficiently. Conventionally, it was difficult to match the relative positions of the installation boards 10, 11 and main body 1 after installation at high precision, but in the suction grille frame 5 in the constitution of the embodiment, only the vertical direction is held by the installation boards 10, 11, and the horizontal direction is held with a freedom to the installation boards 10, 11. Since the suction grille frame 5 is fixed and positioned in the main body 1 which is required to have positioning precision in the horizontal direction, the suction grille frame 5 is installed at an accurate positioning precision to the main body 1. Moreover, the holding strength including the inner sidle of the suction grille frame 5 is assured.
Embodiment 3 FIG. 7 is a perspective view of the main body 1 as seen from an oblique lower rear direction. The main body 1 has a corner in a shape being cut off, leaving only an upper part 1 m and side upward parts 1 n, 1 p of the main body 1. That is, there is no lower part of the corner. A first slit k is formed in the remaining upper part 1 m and side parts 1 n, 1 p. By twisting this slit 1 k, or by cutting off the portions not connected through the slits, as shown in FIG. 8, the corner of the main body 1 can be cut off. In this embodiment, the separate upper cover as explained in embodiment 1 is not provided. Other constitution of the embodiment is same as in embodiment 1, and detailed description is omitted.
In this constitution, the corner is cut off, except for the upper part 1 m and side upward parts 1 n, 1 p of the corner of the main body 1, and there is no lower part of the corner. Accordingly, the worker can work to connect and installed from the lower direction of the corner.
Further, when installing the main body 1 in the room, if necessary, by twisting the first slit 1 k, or by cutting off the portions not connected through the slits, the corner of the main body 1 can be cut off. Therefore, the second, connection piping 13 may be put in not only from the wall side as in FIG. 4., but also from the ceiling 402. As a result, the degree of freedom of installation method of the air conditioner is increased.
Embodiment 4 FIG. 9 shows other embodiment of the upper cover 12 explained in embodiment 1. A second slit 12 a is formed in the upper cover 12. By twisting the second slit 12 a, or by cutting off the portions not connected through the slits, a notch 12 b is formed. FIG. 11 is a perspective view showing a state of drawing the second connection piping 13 in from the ceiling 402, by using the upper cover 12 having the notch 12 b. In this constitution, when installing the main body 1 in the room, if necessary, the notch 12 b can be formed by cutting off the upper cover 12. The second connection piping 13 drawn out from the ceiling 402 can be taken in through the notch 12 b, so that the degree of freedom of installation method of air conditioner is increased.
Embodiment 5 FIG. 10 shows a different embodiment of the upper cover 12 explained in embodiment 1. The upper cover 12 is made of resin or other material that can be cut and processed easily. The upper cover 12 can be easily cut off by using a knife 18 or the like. FIG. 11 is a perspective view showing a state of drawing the second connection piping 13 in from the ceiling 402, by using the upper cover 12 having such cut-off notch 12 b. In this constitution, when installing the main body 1 in the room, if necessary, the upper cover 12 can be cut off in an arbitrary portion. Therefore, the second connection piping 13 can be taken in from the ceiling 402, so that the degree of freedom of installation method of air conditioner is increased.
Embodiment 6 FIG. 12 is a perspective view showing a state of connection of first connection piping 6, second connection piping 13 and others by installing the main body 1 in the room. An electrical box 9 accommodates an electrical unit. A hooking claw 9 a as shown in FIG. 14 is formed on the electrical box 9. At the lower side of the main body 1, on the other hand, stopping means 1 r for hooking the hooking claw 9 a is provided as shown in FIG. 13. That is, in the state in FIG. 12, by applying the hooking claw 9 a on the stopping means 1 r which is a provisional holder, the electrical box 9 is provisionally held in the main body 1. In this slate, the first connection piping 13 and drain hose 14 are connected. After completion of these connection jobs, the electrical box 9 is returned to the position as shown in FIG. 5 or FIG. 6, and the connection wire 15 is connected to the electrical unit. Then, the suction grille is attached to complete the installation.
Embodiment 7 FIG. 15 is a perspective view showing a lifted state of the main body 1, in order to mount the main body 1 by hooking on the first installation board 10 and second installation board 11, in the state in FIG. 4 finishing the preparation before installing the main body 1 in the room. A first handle 1 s is provided at the inner side of the main body 1. The worker holds this first handle 1 s and the air diffuser 2, and lifts the main body 1, and fixes the main body 1 by hooking on the installation boards 10, 11.
Embodiment 8 FIG. 16 is, a perspective view of other embodiment in a lifted state of the main body 1 same as in FIG. 15. A first handle 1 v and a second handed 1 w are provided at the lower side of the main body 1. The worker holds the first handle 1 v and second handle 1 w, and can fix the main body 1 by hooking on the installation boards while lifting the main body 1.
Embodiment 9 An installation tool in embodiment 9 of the invention is described while referring to FIG. 17 through FIG. 21. FIG. 17 is a perspective view of installation of an air conditioner in a space to be conditioned. FIG. 18 is a plan view of FIG. 17 as seen from the ceiling side. FIG. 19 is a sectional view of FIG. 18 along line 19�19. FIG. 20 is a perspective e view of mounting of installation board of wall.
Also in this constitution, preferably, the screw holes 217 of the fixing part 215 have an oval shape. According to this constitution, if the angle of the first wall 206 and second wall 205 is not a right angle, or if the positions of the main body 201 and screw holes 217 are deviated, the position of the main body 201 can be fine adjusted, and the degree of freedom of installation at the corner is enhanced.
Embodiment 10 Embodiment 10 of the invention is described below while referring to FIG. 22(a) to FIG. 22(c). FIG. 22(a) is a perspective view of an installation board of the embodiment, FIG. 22(b) is a plan view of the installation board as seen from the lateral direction 251, and FIG. 22(c) is a magnified view of a horizontal setting part 219.
Each one of the upper ends of the first installation board 212 and second installation board 209 has a horizontal setting part 219 of a nearly L-shape projecting upward in the base part 255. As shown in FIG. 22(c), the horizontal setting part at 19 has an L-shape composed of a horizontal setting plane 219 a and a vertical plane 219 b, and the horizontal setting plane 219 a has an angle of about 90 degrees to the base part 255. While the horizontal setting plane 219 a is abutting against the ceiling 207 or other structural part as the basis of levelness such as turning edge (not shown), the first installation board 212 and second installation board 209 are mounted on the first wall 206 and second wall 205 with screws through screw holes 18.
Embodiment 11 Embodiment 11 of the invention is described below while referring to FIG. 23(a) to FIG. 23(c). FIG. 23(a) is a perspective view of embodiment 11 of the invention, FIG. 23(b) is a plan view as seen from the direction of arrow 261, and FIG. 23(c) is a magnified view of a mounting position setting part 220.
A first mounting position setting part 221 is placed at the end of the side of the first, installation board 212 adjacent to the second installation board 209, and a second mounting position setting part 220 is placed at the end of the side of the second installation board 209 adjacent to the first installation board 212. The second mounting position setting part 220 has a shape of stairs consisting of a second mounting position setting plane 220 a, a second mounting position setting vertical plane 220 b, and a second mounting position setting part mounting plane 220 c, and the second mounting position setting vertical plane 220 b forms an angle of about 90 degrees together with the second mounting position setting plane 220 a and second mounting position setting part mounting plane 220 c, and the second mounting position setting part mounting plane 220 c forms an angle of 90 degrees to the first installation plane 212. The first mounting position setting part 221 of the first installation board 212 also has a symmetric shape same as the second mounting position setting part 220. A lower horizontal plane 220 d of the second mounting position setting part 220 and an upper horizontal plane 221 d of the first mounting position setting part 221 are installed at positions deviated vertically so as to contact with each other. With the second mounting position setting plane 220 a of the second mounting position setting part 220 contacting with the first wall 206, the second installation board 209 is mounted on the second wall 205 through the screw hole 218 of the second installation board 209. With the first mounting position setting plane 221 a of the first mounting position setting part 221 contacting with the second wall 205, the first installation board 212 is mounted on the first wall 206 through the screw hole 218 of the first installation board 212.
In the constitution, since the mounting position setting parts 220, 221 are shaped like stairs, if there is a protrusion 222 at a corner edge of the room, the mounting position setting parts 220, 221 can be placed at the corner edge while avoiding such protrusion 222. Therefore, the air conditioner can be easily installed at a coiner edge of the room. Incidentally, the vertical configuration of the first mounting position setting part 221 and second mounting position setting part 220 is not particularly limited, and same effects are obtained in any case.
Embodiment 12 Embodiment 12 of the invention is described below while referring to FIG. 24(a), FIG. 24(b), and FIG. 24(c). FIG. 24(a) is a perspective view of embodiment 12 of the invention, FIG. 24(b) is a plan view of FIG. 24(a) as seen from the direction of arrow 262, and FIG. 24(c) is a detail view of a second installation board.
A second rotary part 223 a extending to the air conditioner main body side is provided at the upper end of a second installation board 209, and a first rotary part 223 b is similarly disposed at a first installation board 212. Each one of the second rotary parts 223 a and first rotary part 223 b has a second hole 224 a and a first hole 224 b for mutually coupling the second rotary part 223 a and first rotary part 223 b. The first hole 224 b and second hole 224 aare matched and coupled with screws. In this constitution, the first installation board 212 and second installation board 209 can rotate about the coupled holes 224 a, 224 b. Therefore, if the corner angle of the first wall 206 and second wall 205 is not exactly a right angle of 90 degrees, each upper end of the first installation board 212 and second installation board 209 can be set at a same height, and missing of one of the installation boards can be prevented, and mounting of installation boards on wrong walls can be also prevented.
Embodiment 13 Embodiment 13 of the invention is described below while referring to FIG. 25. FIG. 25 is a perspective view of embodiment 13 of the invention. A second installation board 209 and a first installation board 212 mutually have symmetric shapes to the central line 263�263. In this constitution, when the first installation board 212 and second installation board 209 are manufactured by plastic forming or plate making, the die can be commonly shared. As a result, the manufacturing cost is saved. Moreover, mismatching of the first installation board and second installation board can be avoided. Still more it is also possible to realize a constitution extended in the length of the stopping part 216, or a constitution in which the stopping part 216 has a plurality of stopping parts, and such constitution increases the strength of installation of the air conditioner main body.
Embodiment 14 Embodiment 14 of the invention is described below while referring to FIG. 26. FIG. 26(a) is a perspective view of embodiment 14 of the invention, and FIG. 26(b) is a plan view as seen from the direction of arrow 264. A first installation board 212 and a second installation board 209 are formed in one body, instead of separate pieces, and moreover the boundary of the first installation board 212 and second installation board 209 can be folded. In this constitution, according to the angle of the wall of the corner edge of the room, the air conditioner can be installed at the corner edge.
Embodiment 15 Embodiment 15 of the invention is described below while referring to FIG. 27(a), FIG. 27(b), and FIG. 27(c). FIG. 27(a) is a perspective view of embodiment 15 of the invention, FIG. 27(b) is a plan view as seen from the direction of arrow 265, and FIG. 27(c) is a detail view of line 27(c)�27(c) when the air conditioner main body 201 is installed.
The space to be conditioned in the room is composed of a first wall 206, a second wall 205, and a ceiling 207. The air conditioner main body 201 is installed at a corner edge of the room by means of a first installation board 212, a second installation board 209, and a top installation board 226. The first installation board 212 has a plurality of screw holes 218 a, and a stopping part 216 a The second installation board 209 has a plurality of screw holes 218 b, and a stopping part 216 b. The top installation board 226 has a plurality of screw holes 218 c, and a ceiling stopping part 229. The first installation board 212 is mounted on the first wall 206 by screws through the screw holes 218 a. The second installation board 209 is mounted on the second wall 205 by screws through the screw holes 218 b. The top installation board 226 is mounted on the ceiling 207 by screws through the screw holes 218 c. The air conditioner main body 201 has a plurality of engaging parts 214 and ceiling engaging part 230. Of the plurality of engaging parts, one engaging part 214 is engaged with the stopping part 216 a of the first installation board 212, and other engaging part 214 is engaged with the stopping part 216 b of the second installation board 209, while the ceiling engaging part 230 is hooked on the ceiling stopping part 229. In this way, the air conditioner main body 201 is installed in the room.
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