Air conditioner

Abstract

To provide an air conditioner which has excellent productivity by commonization of a use side unit and a heat source side unit, and has high performance and an excellent energy saving property.SOLUTION: An air conditioner includes: a use side unit 10 where a use side heat exchanger 12 and a use side fan 13 are provided in a use side housing 11; and a heat source side unit where a heat source side heat exchanger, a heat source side fan, and a compressor are provided in a heat source side housing. The air conditioner performs an air conditioning operation by pipe-connecting the use side unit and the heat source side unit. The use side unit is formed in the same outdoor installation specification as the heat source side unit. The use side heat exchanger is provided so as to use a space where the compressor is installed in the heat source side housing in the use side housing. Thereby, productivity of the air conditioner is improved by commonalization of components, heat exchange performance of the use side heat exchanger can be improved, and excellent air conditioning capacity can be exercised.SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] The present invention relates to an air conditioner that performs air conditioning operations such as cooling by connecting a user-side unit and a heat source-side unit through piping.

Background Art

[0002] Patent Document 1 discloses an air conditioner that includes a user-side unit having a user-side heat exchanger and a user-side fan, a heat source-side unit having a heat source-side heat exchanger, a heat source-side fan, a compressor, etc., and that performs air conditioning operations such as cooling by connecting the user-side unit and the heat source-side unit through piping.

[0003] In addition, as an air conditioner used for cooling or heating a large-scale space where it is difficult to install a normal air conditioner, such as a factory, a workplace, a warehouse, a gymnasium, etc., there is known an air conditioner that integrally includes a user-side unit and a heat source-side unit and performs spot air conditioning.

[0004] For example, Patent Document 2 discloses an air conditioner in which a user-side unit and a heat source-side unit are arranged on a single pedestal. The user-side unit and the heat source-side unit are arranged back to back such that their air outlets face outward and their inlets face inward, and a suction space is provided between the user-side unit and the heat source-side unit.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0006] In this type of air conditioner, it is conceivable to make the specifications of the user-side unit match those of the heat source-side unit, thereby achieving commonality between the user-side unit and the heat source-side unit. That is, by making the parts of the user-side unit and the heat source-side unit common, the cost of the air conditioner can be reduced and productivity can be improved. Also, by making the specifications of the user-side unit match those of the heat source-side unit, which is often installed outdoors, the user-side unit can obtain excellent Weather resistance and waterproof performance.

[0007] However, in the above-described conventional technology, if the housings of the user-side unit and the heat source-side unit are made the same, in the housing of the user-side unit, since a machine room for housing a compressor etc. becomes unnecessary, there is a problem that this part becomes dead space.

[0008] The present invention has been made in view of the above circumstances, and an object thereof is to provide an air conditioner that is excellent in productivity by making the user-side unit and the heat source-side unit common, and is also high-performance and excellent in energy saving.

Means for Solving the Problems

[0009] The air conditioner of the present invention includes a user-side unit in which a user-side heat exchanger and a user-side fan are provided in a user-side housing, and a heat source-side unit in which a heat source-side heat exchanger, a heat source-side fan, and a compressor are provided in a heat source-side housing, and is an air conditioner that performs an air conditioning operation by connecting the user-side unit and the heat source-side unit by piping, wherein the user-side unit has the user-side housing, the user-side heat exchanger, and the user-side fan arranged in the same the heat source side housing, the heat source side heat exchanger, and the heat source side fan way as the Positional relationship heat source-side unit, and the user-side heat exchanger is provided so as to utilize the space in the heat source-side housing within the user-side housing where the compressor is installed.

Effects of the Invention

[0010] According to the air conditioner of the present invention, a user-side unit in which a user-side heat exchanger and a user-side fan are provided in a user-side housing, and a heat source-side unit in which a heat source-side heat exchanger, a heat source-side fan, and a compressor are provided in a heat source-side housing are provided, and the user-side unit and the heat source-side unit are connected by piping to perform air-conditioning operation. In the user-side unit, the user-side housing, the user-side heat exchanger, and the user-side fan are arranged in the same outdoor installation specification as the heat source-side unit. Thereby, the parts of the user-side unit and the heat source-side unit can be made common, the productivity of the air conditioner can be improved, and the economy can be enhanced. At the same time, the Weather resistance can be enhanced to improve the cleanability of the user-side heat exchanger. And the user-side heat exchanger is provided so as to utilize the space in the user-side housing where the compressor is installed in the heat source-side housing. With such a configuration, the heat exchange performance of the user-side heat exchanger can be improved, and an energy-saving air conditioner with excellent air-conditioning capacity and excellent energy-saving performance can be obtained.

[0011] Further, according to the air conditioner of the present invention, the user-side heat exchanger may be formed in a U shape so as to extend from the back surface portion in the user-side housing across both side surface portions. With such a configuration, the space in the user-side housing can be utilized without waste, and the heat exchange area of the user-side heat exchanger can be increased. Thereby, the air-conditioning performance can be enhanced.

[0012] Further, according to the air conditioner of the present invention, the user-side heat exchanger may be formed in a C shape so as to extend from the back surface portion in the user-side housing across both side surface portions along the front surface portion. With such a configuration, the heat exchange area of the user-side heat exchanger can be further increased, and the air-conditioning performance can be further enhanced.

[0013] Further, according to the air conditioner of the present invention, a detachable service cover with a pipe outlet may be provided at the lower front part of the utilization side housing. Thereby, the heat exchange area of the utilization side heat exchanger can be increased to improve the air conditioning performance of the air conditioner, and the pipe connection of the utilization side unit can be easily performed on the front side of the utilization side housing. In addition, it is also possible to easily inspect control components and the like of the utilization side unit by opening the service cover.

Brief Description of Drawings

[0014]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Embodiments for Carrying Out the Invention

[0015] Hereinafter, an air conditioner according to an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a diagram showing a schematic configuration of an air conditioner 1 according to an embodiment of the present invention. As shown in FIG. 1, the air conditioner 1 is a device for performing air conditioning operation, and includes a utilization side unit 10 and a heat source side unit 20 placed on a pedestal 40. The air conditioner 1 is a movable and powerful spot air conditioner in which the utilization side unit 10 and the heat source side unit 20 are integrated.

[0016] The utilization side unit 10 is mainly a device for cooling or heating and supplying the air on the utilization side. The utilization side unit 10 has a configuration corresponding to an indoor unit of a general package air conditioner.

[0017] Specifically, the user-side unit 10 has a housing 11 as a user-side housing which is a substantially box-shaped housing formed of a metal plate material or the like. Inside the housing 11, a user-side heat exchanger 12 and a user-side fan 13 which are components constituting a refrigeration cycle are provided. This user-side fan 13 is a propeller fan and is rotationally driven by a motor (not shown).

[0018] The heat source-side unit 20 is a device that mainly radiates or absorbs heat from / to the air on the exhaust side. The heat source-side unit 20 has a configuration corresponding to the outdoor unit of a general packaged air conditioner.

[0019] Specifically, the heat source-side unit 20 has a housing 21 as a heat source-side housing which is a substantially box-shaped housing formed of a metal plate material or the like. Inside the housing 21, a heat source-side heat exchanger 22 and a heat source-side fan 23 which are components constituting a refrigeration cycle are provided. This heat source-side fan 23 is also a propeller fan and is rotationally driven by a motor (not shown).

[0020] The user-side unit 10 has substantially the same outdoor installation specifications as the heat source-side unit 20. That is, in the user-side unit 10, the housing 11, the user-side heat exchanger 12, and the user-side fan 13 are arranged with substantially the same outdoor installation specifications as the heat source-side unit 20. The user-side unit 10 is Weather resistance formed with specifications substantially equivalent to those of the heat source-side unit 20 in terms of rainproofness and waterproofness.

[0021] With such a configuration, it is possible to achieve commonization of the components of the user-side unit 10 and the heat source-side unit 20 and improve the productivity of the air conditioner 1. In addition, since the user-side unit 10 is formed with outdoor installation specifications, Weather resistance and the rainproofness and waterproofness are improved, the cleaning performance of the user-side heat exchanger 12 can be enhanced.

[0022] The utilization-side heat exchanger 12 of the utilization-side unit 10 is connected to the heat-source-side heat exchanger 22 of the heat-source-side unit 20 via the refrigerant pipe 28. Specifically, the utilization-side heat exchanger 12 and the heat-source-side heat exchanger 22 are connected via a compressor (not shown) that compresses low-pressure refrigerant into high-pressure refrigerant, an expansion valve (not shown) that expands high-pressure refrigerant into low-pressure refrigerant, the refrigerant pipe 28, and other refrigerant pipes (not shown), thus forming a vapor compression refrigeration cycle circuit. As the refrigerant used in the refrigeration cycle, for example, HFC refrigerants are adopted.

[0023] In the housing 11 of the utilization-side unit 10, a suction port 15 which is an opening for sucking air and a blowout port 16 which is an opening for blowing out air are formed. The suction port 15 is provided with a utilization-side heat exchanger 12 that performs heat exchange between the air sucked in from the outside and the refrigerant. Thereby, for example, during the cooling operation, the air sucked in from the outside is cooled by the refrigerant evaporating in the utilization-side heat exchanger 12.

[0024] The blowout port 16 is provided with a utilization-side fan 13 that blows out the air in the housing 11 that has exchanged heat with the utilization-side heat exchanger 12 to the outside. The utilization-side fan 13 is, for example, a propeller fan or the like and is rotationally driven by a motor (not shown).

[0025] In the air conditioner 1 according to this embodiment, a particularly powerful utilization-side fan 13 is installed. Specifically, the utilization-side fan 13 has, for example, a powerful blowing capacity to blow out air at a wind speed of 5 m / s from the blowout port 16. Thereby, in a large-scale workplace such as a factory, a strong blast with high straightness can be delivered far away, and only the working space can be efficiently cooled or heated aiming at the working space.

[0026] In addition, an air direction guide 14 for adjusting the flow direction of the air sent by the user-side fan 13 is provided at the air outlet 16. The air direction guide 14 has an outer peripheral portion that surrounds the outer periphery of the user-side fan 13 and forms, for example, a substantially cylindrical shape. The interior surrounded by the outer peripheral portion of the air direction guide 14 is an opening that leads to the air outlet 16 through which air flows, and a variable air direction adjustment plate (not shown) for adjusting the air flow is provided there.

[0027] With such a configuration, the air cooled or heated by the user-side heat exchanger 12 can be efficiently flowed toward the working space that requires it so that the temperature difference with the surrounding air becomes sufficiently large.

[0028] A pipe outlet 17 through which a refrigerant pipe 28 connected to the heat source side unit 20 is inserted is provided on the front surface of the housing 11 of the user-side unit 10. The pipe outlet 17 is, for example, a knockout hole.

[0029] An air suction port 25, which is an opening for sucking air, and an air outlet 26, which is an opening for blowing out air, are formed in the housing 21 of the heat source side unit 20. A heat source side heat exchanger 22 for performing heat exchange between the air sucked from the surroundings and the refrigerant is provided at the air suction port 25. Thereby, for example, during the cooling operation, the refrigerant in the heat source side heat exchanger 22 is cooled and condensed by the air flowing in from the air suction port 25. In other words, the air sucked from the air suction port 25 is heated by exchanging heat with the refrigerant in the heat source side heat exchanger 22.

[0030] A heat source side fan 23 for blowing out the air in the housing 21 that has exchanged heat with the heat source side heat exchanger 22 to the outside is provided at the air outlet 26. The heat source side fan 23 is, for example, a propeller fan or the like and is rotationally driven by a motor (not shown).

[0031] In addition, an air direction guide 24 for adjusting the blowing direction of the air sent by the heat source side fan 23 is provided at the air outlet 26. The air direction guide 24 has an outer frame portion, for example, in a substantially rectangular shape that surrounds the outer periphery of the heat source side fan 23, and is formed from a metal plate material, a resin plate material, or the like.

[0032] A pipe outlet 27 through which a refrigerant pipe 28 connected to the utilization side unit 10 is inserted is formed in the housing 21 of the heat source side unit 20. The pipe outlet 27 is, for example, a knockout hole.

[0033] The pedestal 40 is a base that integrally supports the utilization side unit 10 and the heat source side unit 20. The pedestal 40 is formed from, for example, angle steel, channel steel, or other steel materials. A base 41 having an outer periphery that forms a substantially rectangular frame shape in a top view is formed at the lower part of the pedestal 40. The heat source side unit 20 is fixed to the upper part of the base 41.

[0034] A utilization side unit installation base 42 for installing the utilization side unit 10 is formed on the pedestal 40. The utilization side unit installation base 42 is formed to protrude upward from the upper part of the base 41 so that the bottom of the utilization side unit 10 can be supported at a position higher than the bottom of the heat source side unit 20.

[0035] By providing the utilization side unit installation base 42 on the upper part of the base 41, the utilization side unit 10 is fixed at a high position. In this way, by providing the utilization side unit 10 at a high position, the position of the air outlet 16 of the utilization side unit 10 becomes higher, and cold air or warm air for air conditioning can be efficiently blown widely over the working space.

[0036] On the upper part of the user-side unit installation base 42, a drain pan 43 is provided. The drain pan 43 is a member for receiving the moisture that adheres to and drips from the user-side heat exchanger 12 of the user-side unit 10 and draining it to a water pipe (not shown). By providing the drain pan 43, the moisture dripping from the user-side heat exchanger 12 of the user-side unit 10 can be collected and drained properly, preventing the moisture from scattering in the working space.

[0037] Near the corners at the lower part of the base 41, wheels 44 are provided. The wheels 44 are, for example, casters having rubber wheels or the like, and may be fixed wheels with one end side movable in a predetermined one direction and swivel wheels with the other end side capable of changing direction. By providing the wheels 44, the gantry 40 is configured to be movable while integrally supporting the user-side unit 10 and the heat source-side unit 20.

[0038] The user-side unit 10 and the heat source-side unit 20 are provided on the gantry 40 such that the suction ports 15 and 25 for sucking air face each other. That is, the user-side unit 10 and the heat source-side unit 20 are arranged back to back such that the user-side heat exchanger 12 side and the heat source-side heat exchanger 22 side face each other.

[0039] In other words, the user-side unit 10 and the heat source-side unit 20 are arranged such that the air outlet 16 of the user-side unit 10 and the air outlet 26 of the heat source-side unit 20 face outward so that each blows air in the opposite direction.

[0040] As described above, by arranging the user-side unit 10 and the heat source-side unit 20 such that the suction ports 15 and 25 face each other and the air outlets 16 and 26 face in the opposite direction so as to blow air in the opposite direction, efficient air conditioning for large-scale factories, logistics warehouses, etc. is achieved.

[0041] That is, the cooled or heated air can be efficiently and powerfully blown from the air outlet 16 of the user-side unit 10 into the working area to be air-conditioned. And the exhaust heat air for air conditioning can be blown from the air outlet 26 of the heat source-side unit 20 facing the opposite side of the air outlet 16 of the user-side unit 10 into a space away from the space that requires air conditioning.

[0042] Figure 2 is a plan view of the heat source-side unit 20, showing the installation state of the heat source-side heat exchanger 22. In Figure 2, the upper side is the back surface portion of the housing 21 of the heat source-side unit 20, and the lower side is the front surface portion of the housing 21, that is, the air outlet 26 side.

[0043] As shown in Figure 2, the heat source-side heat exchanger 22 provided in the housing 21 of the heat source-side unit 20 is formed in a substantially L shape when viewed from above. Specifically, the heat source-side heat exchanger 22 is provided across the back surface portion to the left side surface portion in the housing 21. That is, the suction port 25 for sucking air for heat exchange is formed across the back surface to the left side surface of the housing 21.

[0044] Near the right side surface of the housing 21, a machine room 31 where a compressor, a control device, etc. (not shown) are arranged is provided. The machine room 31 is partitioned from the air flow path 29 between the suction port 25 and the air outlet 26 by a partition wall 30. Therefore, the air for air conditioning flowing in from the suction port 25 exchanges heat with the refrigerant in the heat source-side heat exchanger 22, then flows through the air flow path 29 without passing through the machine room 31, and is blown out from the air outlet 26 into the space to be air-conditioned.

[0045] Figure 3 is a plan view of the user-side unit 10, showing the installation state of the user-side heat exchanger 12. In Figure 3, the upper side is the back surface portion of the housing 11 of the user-side unit 10, and the lower side is the front surface portion of the housing 11, that is, the air outlet 16 side.

[0046] Referring to FIG. 3, the user-side heat exchanger 12 is arranged to utilize the space within the housing 11 of the user-side unit 10 that corresponds to the machine room 31 shown in FIG. 2. That is, the machine room 31, which is the space in the housing 21 of the heat source-side unit 20 shown in FIG. 2 where the compressor is installed, becomes the space in the housing 11 of the user-side unit 10 shown in FIG. 3 where the user-side heat exchanger 12 is extended and arranged.

[0047] Inside the housing 11 of the user-side unit 10 shown in FIG. 3, unlike the heat source-side unit 20 shown in FIG. 2, there is no need to provide a machine room 31 partitioned by a partition wall 30 within the housing 21 and equipped with a compressor or the like. Therefore, the space corresponding to the machine room 31 is configured to be available as the space for installing the user-side heat exchanger 12 so as to increase the heat exchange area of the user-side heat exchanger 12.

[0048] With such a configuration, the heat exchange area of the user-side heat exchanger 12 can be increased, and the heat exchange performance of the user-side heat exchanger 12 can be improved. Thus, the air conditioning performance of the air conditioner 1 can be improved.

[0049] Specifically, the user-side heat exchanger 12 is bent in a substantially U-shape when viewed from above, and is arranged across from the back surface portion to both side surface portions of the housing 11. That is, as shown in FIG. 2, the heat source-side heat exchanger 22 provided within the housing 21 of the heat source-side unit 20 is substantially L-shaped when viewed from above, whereas as shown in FIG. 3, the user-side heat exchanger 12 provided within the housing 11 of the user-side unit 10 is substantially U-shaped when viewed from above. And the user-side heat exchanger 12 is arranged across from the back surface portion to both side surface portions within the housing 11 of the user-side unit 10.

[0050] With such a configuration, the space within the housing 11 of the user-side unit 10 can be utilized without waste, and the heat exchange area of the user-side heat exchanger 12 can be increased. Thereby, the air conditioning performance of the air conditioner 1 can be enhanced, and an energy-saving air conditioner 1 with excellent air conditioning capacity and excellent energy-saving performance can be obtained.

[0051] FIG. 4 is a front view of the user-side unit 10. As shown in FIG. 4, a service cover 18 is detachably provided at the lower front part of the housing 11 of the user-side unit 10. The service cover 18 is provided with a pipe outlet 17 through which a refrigerant pipe 28 (see FIG. 1) connected to the heat source-side unit 20 (see FIG. 1) is inserted. The pipe outlet 17 is, as described above, for example, a knockout hole.

[0052] Thus, by providing the service cover 18 having the pipe outlet 17 at the lower front part of the housing 11 of the user-side unit 10, as shown in FIG. 3, the user-side heat exchanger 12 formed in a substantially U shape in a top view can be provided so as to cover substantially the entire surface of both side faces of the housing 11. That is, the user-side heat exchanger 12 can be formed large. Thereby, the heat exchange area of the user-side heat exchanger 12 can be increased to improve the air conditioning performance of the air conditioner 1.

[0053] Also, as shown in FIG. 4, by providing the service cover 18 at the lower front part of the housing 11 of the user-side unit 10, the pipe connection of the user-side unit 10 can be easily performed on the front side of the housing 11. Also, by opening the service cover 18, inspection of control components and the like of the user-side unit 10 can be easily performed. In this way, the installation workability and inspection workability of the air conditioner 1 can be improved.

[0054] Next, with reference to FIG. 5, as an example of a modified embodiment, the user-side heat exchanger 112 of the air conditioner 1 will be described in detail. Components having the same or similar functions and effects as those of the embodiments already described are denoted by the same reference numerals, and the description thereof will be omitted.

[0055] FIG. 5 is a plan view of the user-side unit 110 of the air conditioner 1 according to another embodiment of the present invention, showing the installation state of the user-side heat exchanger 112. Referring to FIG. 5, the user-side heat exchanger 112 is formed such that the vicinity of both the left and right ends is further extended. Specifically, the user-side heat exchanger 112 is formed such that the vicinity of both the left and right ends is bent toward the blowout port 16 side and extends along the front surface of the housing 11 within the housing 11.

[0056] In other words, the user-side heat exchanger 112 is bent in a substantially C shape when viewed from above, and is arranged across from the back surface portion to both side surface portions of the housing 11 and further along the front surface portion. That is, the suction port 15 for sucking air for air conditioning into the housing 11 is also formed across from the back surface portion to both side surface portions of the housing 11, and is further formed in the front surface portion.

[0057] With such a configuration, the heat exchange area of the user-side heat exchanger 112 can be further increased, and the heat exchange efficiency can be improved. As a result, an energy-saving air conditioner 1 that exhibits excellent air conditioning performance can be obtained.

[0058] In FIG. 5, the vicinity of the ends on both the left and right sides of the user-side heat exchanger 112 is formed to be along the front surface of the housing 11. However, the vicinity of the ends of the user-side heat exchanger 112 may be bent such that only one of the left and right sides is along the front surface of the housing 11.

[0059] Also, in the configuration in which the user-side heat exchanger 112 formed in a substantially C shape when viewed from above is provided, referring to FIG. 4, the service cover 18 in which the pipe outlet 17 is formed may be provided below the wind direction guide 14.

[0060] As described above, in the air conditioner 1 according to the present embodiment, in the air conditioner 1 that performs air conditioning operation by pipe-connecting the user-side units 10 and 110 and the heat source-side unit 20, the housing 11 of the user-side units 10 and 110 has substantially the same outdoor installation specifications as the housing 21 of the heat source-side unit 20, and the user-side units 10 and 110 are made with specifications substantially equivalent to those of the heat source-side unit 20.

[0061] Therefore, the air conditioner 1 can achieve the common use of the user-side units 10, 110 and the heat source-side unit 20, and is excellent in economy. Further, the user-side unit 10 has substantially the same Weather resistance and waterproof properties, is excellent in cleanability, and can be used even in a severe environment such as a factory.

[0062] In the case of the air conditioner 1 that makes the specifications of the user-side units 10, 110 and the heat source-side unit 20 common, it is possible to increase the heat exchange area of the user-side heat exchangers 12, 112 by using the space corresponding to the machine room 31 of the housing 21 of the heat source-side unit 20. That is, the space in the housing 11 of the user-side units 10, 110 can be effectively utilized to improve the heat exchange performance of the user-side heat exchangers 12, 112.

[0063] Further, in the air conditioner 1, the specifications of the user-side units 10, 110 and the heat source-side unit 20 are made common, and the user-side heat exchangers 12, 112 are formed in a substantially U-shape or a substantially C-shape. And the user-side heat exchangers 12, 112 are arranged so as to straddle from the back surface portion in the housing 11 of the user-side unit 10 to both side surface portions and further along the front surface portion. Thereby, the heat exchange area of the user-side heat exchanger 12 becomes large, and the air conditioning capacity can be increased by the amount by which the heat exchange areas of the user-side heat exchangers 12, 112 are increased. Also, it is possible to contribute to energy saving by appropriately adjusting the air conditioning capacity and reducing the rotational speed of the compressor.

[0064] As described above, in the present embodiment, the housing 11 of the user-side units 10, 110 is made to have substantially the same outdoor installation specifications as the housing 21 of the heat source-side unit 20, but the sizes and shapes of the housing 11 and the housing 21 do not have to be the same. That is, the user-side heat exchangers 12, 112 and the heat source-side heat exchanger 22 are not of the same size, and the housing 11 and the housing 21 may have different sizes.

[0065] For example, from the perspective of energy conservation, in order to improve the heat exchange efficiency of the heat source side heat exchanger 22, a configuration in which the air blowing area of the heat source side heat exchanger 22 is increased may be adopted. That is, the air passage area of the heat source side heat exchanger 22 may be larger than the air passage areas of the utilization side heat exchangers 12 and 112. For example, the dimension of the heat source side heat exchanger 22 in the height direction may be larger than the dimensions of the utilization side heat exchangers 12 and 112 in the height direction.

[0066] Also, more heat source side fans 23 may be provided than the utilization side fans 13. For example, two heat source side fans 23 may be provided. Even with such a configuration, an air conditioner 1 with excellent energy conservation performance capable of blowing out suitable cold air can be obtained.

[0067] In addition, the air conditioner 1 according to the above-described embodiment has a movable configuration in which the utilization side unit 10 and the heat source side unit 20 are placed on a common pedestal 40 and integrated, but the configuration of the air conditioner 1 is not limited to this. The air conditioner 1 may have a configuration in which the utilization side units 10 and 110 and the heat source side unit 20 are installed at different positions.

[0068] Even if the utilization side units 10 and 110 and the heat source side unit 20 are not integrated and are installed at separate positions, the utilization side units 10 and 110 can be made to have an outdoor installation specification substantially equivalent to that of the heat source side unit 20, and the utilization side heat exchangers 12 and 112 can be formed in a substantially U shape or a substantially C shape.

[0069] Thereby, even in a configuration where the utilization side unit 10 and the heat source side unit 20 are installed at different positions, productivity can be enhanced by cost reduction through commonization of components, and air conditioning performance and energy conservation performance can be improved.

[0070] Note that the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention.

Explanation of Reference Numerals

[0071] 1 Air conditioner 10, 110 Utilization side unit 11 Housing 12, 112 Utilization side heat exchanger 13 Utilization side fan 14 Wind direction guide 15 Suction port 16 Outlet 17 Pipe outlet 18 Service cover 20 Heat source side unit 21 Housing 22 Heat source side heat exchanger 23 Heat source side fan 24 Wind direction guide 25 Suction port 26 Outlet 27 Pipe outlet 28 Refrigerant pipe 29 Air flow path 30 Partition wall 31 Machine room 40 Stand 41 Base 42 Indoor unit installation stand 43 Drain pan 44 Wheels

Claims

1. A utilization-side unit in which a utilization-side heat exchanger and a utilization-side fan are provided in a side housing, A heat-source-side unit in which a heat-source-side heat exchanger, a heat-source-side fan, and a compressor are provided in a heat-source-side housing, and an air conditioner that performs an air-conditioning operation by connecting the utilization-side unit and the heat-source-side unit by piping, The utilization-side unit is arranged such that the utilization-side housing, the utilization-side heat exchanger, and the utilization-side fan have the same positional relationship as the heat-source-side housing, the heat-source-side heat exchanger, and the heat-source-side fan of the heat-source-side unit, The utilization-side heat exchanger is provided so as to utilize a space in the utilization-side housing where the compressor is installed in the heat-source-side housing. An air conditioner characterized by this.

2. The utilization-side heat exchanger is formed in a U-shape so as to extend from the back surface portion in the utilization-side housing across both side surface portions. The air conditioner according to claim 1, characterized by this.

3. The utilization-side heat exchanger is formed in a C-shape so as to extend from the back surface portion in the utilization-side housing across both side surface portions along the front surface portion. The air conditioner according to claim 1, characterized by this.

4. A detachable service cover in which a piping outlet is formed is provided at the lower front portion of the utilization-side housing. The air conditioner according to any one of claims 1 to 3, characterized by this. ​

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