KR100924639B1 - A floor cooling and heating system - Google Patents

Abstract

The present invention relates to a cooling and heating system, which is installed on each of a plurality of floors, and has a plurality of floors each having an inlet (210a) (220a) (230a) (240a) and an outlet (210b) (220b) (230b) (240b). Piping 210, 220, 230, 240; Hot water supply pipe 310 for supplying hot water used in real life, heating water supply pipe 330 and floor pipe 210 for supplying the heating water supplied to the bottom pipe 210, 220, 230, 240 A boiler 300 having a heating water inflow pipe 320 through which the heating water flows through the 230 and 240; When the direct water flows through the external direct water supply pipe 400, the direct water flows into the bottom pipes 210, 220, 230, and 240 while passing through the direct water, and the heating water made by the boiler 300 flows in. If it is to be passed through as it is distributed to the bottom pipe (210) (220) (230) (240), if the direct water and heating water flows in together while passing through the floor pipe (210, 220) ( A fluid distribution unit 100 for distributing to 230 and 240; And a cooling water supply unit 500 for supplying cooling water to the bottom pipes 210, 220, 230, and 240.

Description

Air conditioning system {A floor cooling and heating system}

The present invention relates to a cooling and heating system, and more particularly, to a cooling and cooling system using the coolness of water supplied from the outside, and to a heating and cooling system using a boiler.

When the temperature rises in midsummer, the air conditioner is usually operated to cool. The air conditioner enables cooling by forcibly circulating the cooled air inside the residential space after cooling the air. And. When the temperature goes down in winter, the boiler is usually heated. The boiler heats the floor by flowing hot water through a heating pipe embedded in the floor.

However, as described above, in the case of a cooling method using an air conditioner, a lot of energy is consumed for cooling, which causes a lot of economic burden. In addition, since the circulating cooling air becomes very dry, the use of air conditioning for a long time caused cooling diseases such as nasal mucosa, allergic rhinitis, cold, and various bronchitis. In addition, if the air-cooling heat exchanger is not cleaned frequently, various bacteria or molds parasitic in the heat exchanger are circulated with the cooled air, causing serious health hazards to the inhabitants.

In addition, since air conditioning is performed by using an air conditioner and heating is performed by using a boiler, air conditioning and a boiler must be installed together for air conditioning.

The present invention was created in order to solve the above problems, while using the bottom pipe that is built in the floor as it is, using the cold water supplied from the outside does not consume energy or use the minimum energy to cool the floor It is also an object of the present invention to provide a heating and cooling system capable of performing heating using a boiler.

In order to achieve the above object, the heating and cooling system according to the present invention, which is installed on each of a plurality of floors, the inlet (210a) (220a) (230a) (240a) and the outlet (210b) (220b) (230b) ( A plurality of bottom pipes 210, 220, 230, and 240 each having a 240b; Hot water supply pipe 310 for supplying hot water used in real life, heating water supply pipe 330 and floor pipe 210 for supplying the heating water supplied to the bottom pipe 210, 220, 230, 240 A boiler 300 having a heating water inflow pipe 320 through which the heating water flows through the 230 and 240; When the direct water flows through the external direct water supply pipe 400, the direct water flows into the bottom pipes 210, 220, 230, and 240 while passing through the direct water as it is, and is heated by the boiler 300. When the water flows into the floor pipes 210, 220, 230 and 240 while being passed through as it is, and when the direct water and heating water flows in together, the bottom pipe 210 while flowing through as it is introduced. Fluid dispensing unit (100) for dispensing (220) (230) (240); And a cooling water supply unit 500 for supplying cooling water to the bottom pipes 210, 220, 230, and 240.

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In the present invention, the fluid distribution unit 100, the first main pipe 110 is connected to the hot water supply pipe 310; A second main pipe 120 connected to the heating water inlet pipe 320; A third main pipe 130 connected to the heating water supply pipe 330 and the direct water supply pipe 400; As installed in communication with the third main pipe 130, the third communication with the inlet 210a, 220a, 230a, 240a of the bottom pipe 210, 220, 230, 240, respectively Distribution valves 131, 132, 133, and 134; The second distribution pipe is installed in communication with the second main pipe 120 and communicates with the outlets 210b, 220b, 230b, and 20b of the bottom pipes 210, 220, 230, and 240. Valves 121, 122, 123, and 124; The first distribution valve 111, which is installed in communication with the first main pipe 110, is connected to a plurality of use pipes 115, 116, 117, and 118 for supplying water used in real life, respectively. 112, 113, 114; The first, second, and third main tubes 110, 120, and 130 are respectively installed in the first, second, and third main tubes 110, 120, 130 to discharge air from the first, It includes a second air valve 110a (120a) 130a, the first main pipe 110 and the second main pipe 120 is connected to the intermediate pipe 140.

In the present invention, the cooling water supply unit 500, the third main pipe 130 and the second main pipe 120 is connected to each of the bottom pipe 210, 220, 230, 240 is circulated The water tank is stored between the reservoir 510, and the reservoir 510 and the third main pipe 130 or the second main pipe 120 is installed in the water storage tank 510 bottom pipe 210 Circulation pump 520 forcibly circulating to (220) (230) (240), the refrigeration air conditioner (530) for cooling the water stored in the reservoir 510, and the temperature of the water stored in the reservoir (510) The storage tank temperature sensor 540 for generating a signal for operating the refrigeration air conditioner (530) by measuring the. In this case, the third main pipe 130 is installed between the direct water pipe 400 connected to the third main pipe 130 and the storage tank pipe 515 extending from the storage tank 510. Further comprising a flow path conversion valve 550 for selectively variable connection with any one of the 400 or the reservoir pipe 515. In addition, the flow path conversion valve 550 is a three-way valve of a solenoid operated by electricity, the cooling water supply unit 500, the outside air temperature sensor 560 for sensing the ambient temperature, and the outside air temperature The controller 560 may further include a control unit 570 that operates in conjunction with the signal generated by the sensor 560 to operate the flow path conversion valve 550.

In the present invention, the outside temperature sensor 560 and the controller 570 may be replaced by a temperature sensor and a controller built in the boiler 300.

In the present invention, as installed in the third main pipe 130, direct water flowing from the outside through the direct water supply pipe 400, or the heating water supplied from the boiler 300 is the third main pipe 130 It further comprises a Y-shaped branch pipe 135 for minimizing the fluid resistance when flowing into).

In the present invention, a solenoid which is installed on each of the second distribution valves 121, 122, 123, and 124 to automatically open and close the second distribution valves 121, 122, 123, and 124. And further include valves 121a, 122a, 123a, and 124a.

Hereinafter, with reference to the accompanying drawings, a heating and cooling system according to the present invention will be described in detail.

1 is a front view of a fluid distribution unit applied to a cooling and heating system according to the present invention.

As shown, the fluid distribution unit 100, the first, second, third main pipes 110, 120, 130 are spaced apart from the case (C); A plurality of first distribution valves (111, 112, 113, 114) installed in communication with the first main pipe (110); A plurality of second distribution valves 121, 122, 123, 124 installed in communication with the second main pipe 120; A plurality of third distribution valves 131, 132, 133, 134 installed in communication with the third main pipe 130; First, second and third main tubes 110, 120 and 130, respectively, which are installed in the first, second and third main tubes 110, 120, 130 to discharge the air from the first, second And, it characterized in that it comprises three air valve (110a) (120a) (130a). At this time, each of the second distribution valves 121, 122, 123, 124 has a solenoid valve 121a, 122a for automatically opening and closing the second distribution valves 121, 122, 123, 124 ( 123a) and 124a are installed.

The solenoid valves 121a, 122a, 123a, and 124a automatically open and close the second distribution valves 121, 122, 123, and 124 when power is applied. Since the solenoid valves 121a, 122a, 123a, and 124a itself are well known in the art, detailed descriptions thereof will be omitted.

In FIG. 1, four first distribution valves are installed in the first main pipe 120, four second distribution valves are installed in the second main pipe 130, and four first distribution valves are installed in the third main pipe 130. Although the third distribution valve is described as an example, this is merely exemplary, and the number of the first, second and third distribution valves may be increased or decreased.

Next, a first embodiment of a cooling and heating system according to the present invention will be described.

Prior to describing the air conditioning and heating system according to the present application, in the present embodiment, four floor pipes laid on the floor of four rooms will be described as an example, and are referred to as 210, 220, 230, and 240, respectively, for easier description. do.

2 is a configuration diagram of a first embodiment of a cooling and heating system to which the fluid distribution unit of FIG. 1 is applied.

As shown, the first embodiment of the heating and cooling system according to the present invention, which is installed on each of a plurality of floors, inlet 210a, 220a, 230a, 240a and outlet 210b, 220b, 230b. A plurality of bottom pipes 210, 220, 230, and 240 each having a 240b; Hot water supply pipe 310 for supplying hot water used in real life, heating water supply pipe 330 and floor pipe 210 for supplying the heating water supplied to the bottom pipe 210, 220, 230, 240 A boiler 300 having a heating water inflow pipe 320 through which the heating water flows through the 230 and 240; Distributing the direct water flowing through the external water pipe 400 to the bottom pipe 210, 220, 230, 240, and the heating water produced by the boiler 300, the bottom pipe 210, 220 ( It characterized in that it comprises a; fluid distribution unit 100 for dispensing to 230 (240).

Floor piping (210, 220, 230, 240), which is laid on the floor of the room of the building, by the fluid distribution unit 100 in the summer direct water (cold water) flowing from the outside flows to cool the floor, winter In the heating water (hot water) supplied from the boiler 300 flows to heat the floor. At this time, it is preferable that a wide stone (ball field) is built in the floor. In the present embodiment, the bottom pipes 210, 220, 230, and 240 are described as being laid on the floor, but the floor here means that a wall or cloth is included.

The boiler 300 supplies the heating water via the bottom pipes 210, 220, 230, and 240, and also supplies hot water used by the residents. In order to supply hot water and heating water to the bottom pipes 210, 220, 230, and 240 as described above, the boiler 300 has a hot water supply pipe 310, a heating water supply pipe 330, and a heating water inflow pipe 320. This will be installed.

The direct water pipe 400 supplies direct water, which is pumped from an external water purification plant or underground, to the bottom pipes 210, 220, 230, and 240. Although the number of direct water varies depending on the season, the number of direct water supplied from the water purification plant is 22 ± 1 ℃ based on the summer temperature of 30 ℃. In case of groundwater, it is 10 ± 3 ℃. That is, the water temperature of the direct water supplied to the direct pipe 400 is considerably lower than the temperature of the outside air.

The fluid distribution unit 100 includes: a first main pipe 110 connected to the hot water supply pipe 310 of the boiler; A second main pipe 120 connected to the heating water inlet pipe 320 of the boiler 300; A third main pipe 130 connected to a heating water supply pipe 330 of the boiler 300 and a direct water supply pipe 400 for supplying water directly from the outside; As installed in communication with the third main pipe 130, the third distribution valve is in communication with the inlet 210a, 220a, 230a, 240a of the bottom pipe 210, 220, 230, 240, respectively (131) (132) (133) (134); As installed in communication with the second main pipe 120, the second distribution valve in communication with the outlet 210b, 220b, 230b, 20b of the bottom pipe 210, 220, 230, 240 ( 121, 122, 123, and 124; The first distribution valve 111, which is installed in communication with the first main pipe 110, is connected to a plurality of use pipes 115, 116, 117, and 118 for supplying water used in real life, respectively. (112) (113) (114); First, second and third main tubes 110, 120 and 130, respectively, which are installed in the first, second and third main tubes 110, 120, 130 to discharge the air from the first, second And three air valves 110a, 120a and 130a. In this case, the first main pipe 110 and the second main pipe 120 are connected to the intermediate pipe 140. Each of the second distribution valves 121, 122, 123, and 124 has a solenoid valve 121a and 122a for automatically opening and closing the second distribution valves 121, 122, 123, and 124. 123a and 124a are provided.

The Y main branch pipe 135 is installed in the third main pipe 130. Y-branch branch 135 is installed in order to minimize the fluid resistance when the direct water flowing from the outside through the water supply pipe 400 or the heating water supplied from the boiler 300 flows into the third main pipe 130. will be. In addition, the intermediate pipe 140 connecting the second main pipe 120 and the first main pipe 110 has a round shape as a whole, so that the fluid flows from the second main pipe 120 to the first main pipe 110. Minimize fluid resistance when flowing.

Ends of the plurality of use pipes 115, 116, 117, 118 are connected to the faucets 115a and 116a of the kitchen and the toilet or to the toilet of the washing machine or the toilet. The water passing through the use pipes 115, 116, 117, and 118 is used by the residents during their daily lives, such as washing dishes, washing, showering and washing.

The first, second and third air valves 110a, 120a and 130a are for discharging the air filled in the first, second and third main pipes 110, 120 and 130 to the outside.

Next, the operation of the air conditioning system having the above-described structure will be described.

In the case of heating and cooling a specific room, the solenoid valves 121a, 122a, 123a, and 124a are operated to prevent the fluid (heating water or direct water) from flowing to a specific floor pipe.

If you want to heat the boiler 300 when operating the heating water is supplied through the heating water supply pipe (330). Then, the heating water is Y-type branch pipe 135-> third main pipe 130-> third distribution valve 131, 132, 133 (134)-> bottom pipe 210, 220 (230) 240)-> the second distribution valve 121, 122, 122, 123, 124-> the second main pipe 120-> the heating water inlet pipe 320 is introduced into the boiler 300. Heating is achieved through this process.

If you want to use hot water to drive the boiler 300, the hot water supply pipe (310)-> the first main pipe (110)-> the first distribution pipe (111, 112, 113, 114) through the use pipe ( 115) 116, 117, 118.

If you want to cool the boiler 300 to stop the operation and use the living water discharged through the use pipes 115, 116, 117, 118 as usual. Then, the direct water supplied through the direct water supply pipe 400 is Y-type branch pipe 135-> third main pipe 130-> third distribution valve 131, 132, 133, 134-> Bottom pipe 210, 220, 230, 240-> second distribution valve 121, 122, 122, 123 (124)-> after the second main pipe 120, and then the intermediate pipe ( 140)-> the first main pipe (110)-> through the first distribution pipe (111, 112, 113, 114) to the use pipe 115, 116, 117, 118. Cooling is achieved through this process.

On the other hand, since the direct water absorbs the heat of the floor while passing through the bottom pipes 210, 220, 230 and 240, it becomes lukewarm. This lukewarm water is a comfortable state when taking a shower, and increases the washing efficiency.

Next, a second embodiment of a cooling and heating system according to the present invention will be described.

3 is a configuration diagram of a second embodiment of a cooling and heating system to which the fluid distribution unit of FIG. 1 is applied. In the present embodiment, the same reference numerals as in the first embodiment are the same members having the same functions.

As shown, the second embodiment of the heating and cooling system according to the present invention, which is installed on each of a plurality of floors, the inlet (210a) (220a) (230a) (240a) and the outlet (210b) (220b) (230b) A plurality of bottom pipes 210, 220, 230, and 240 each having a 240b; Hot water supply pipe 310 for supplying hot water used in real life, heating water supply pipe 330 and floor pipe 210 for supplying the heating water supplied to the bottom pipe 210, 220, 230, 240 A boiler 300 having a heating water inflow pipe 320 through which the heating water flows through the 230 and 240; Distributing the direct water flowing through the external water pipe 400 to the bottom pipe 210, 220, 230, 240, and the heating water produced by the boiler 300, the bottom pipe 210, 220 ( A fluid distribution unit 100 for distributing to 230 and 240; And a cooling water supply unit 500 for supplying cooling water to the bottom pipes 210, 220, 230, and 240. Here, the bottom pipes 210, 220, 230, 240, the boiler 300, the fluid distribution unit 100 is the same as described in the first embodiment, further detailed description thereof will be omitted.

Cooling water supply unit 500, the third main pipe 130 and the second main pipe 120 is connected to each of the storage tank for storing the water circulating the bottom pipe 210, 220, 230, 240 ( 510 and a bottom pipe (210) (220) (230) (240) installed between the reservoir (510) and the third main pipe (130) or the second main pipe (120) and stored in the reservoir (510). The circulation pump 520 for forced circulation to the water, and the water stored in the storage tank 510 is a refrigeration air conditioner 530 to cool, and measures the temperature of the water stored in the storage tank 510 to operate the signal for operating the refrigeration air conditioner 530 The third main pipe 130 is installed between the storage tank temperature sensor 540 and the storage pipe 400 connected to the third main pipe 130 and the storage pipe 515 extending from the storage tank 510. A flow path conversion valve 550 for selectively variablely connecting to either the direct pipe 400 or the storage tank pipe 515, the outside air temperature sensor 560 for sensing the ambient temperature, and the outside air temperature sensor 560. foot It includes; the control unit 570 for operating the flow path conversion valve 550 in conjunction with the generated signal. In this embodiment, the circulation pump 520 is described as an example installed between the reservoir 510 and the third main pipe 130.

The reservoir 510 stores water circulated to the bottom pipes 210, 220, 230, and 240.

Circulating pump 520 is the water stored in the storage tank 510 through the storage tank pipe 515 heating water supply pipe 320-> third main pipe 130-> bottom pipe 210, 220, 230 ( 240)-> the second main pipe (120)-> to be circulated to the storage tank 510 through the heating water.

The refrigeration air conditioner 530 is an evaporation tube 531 which is located inside the storage tank 510 to absorb heat of stored water to vaporize the refrigerant, and a high temperature low pressure installed outside the storage tank 510 via the evaporation tube 531. Compressor (532) for compressing the refrigerant gas into a high pressure gas, a radiator (533) for dissipating the heat of the refrigerant as outside heat as condensation heat while changing the high temperature and high pressure refrigerant gas into a high pressure liquid refrigerant, and an evaporation tube (531). It includes an expansion valve 534 for lowering the pressure so that the high-pressure liquid refrigerant flowing into the evaporation is easy.

At this time, the radiator 533 is shown in the air-cooled type for the purpose of explanation, but can also be implemented as a water-cooling to radiate heat by flowing water on the surface of the radiator 533 or immersing the radiator 533 in a water tank (not shown). Of course it can. Since the configuration of the refrigeration air conditioner 530 is well known, further description thereof will be omitted. By employing the refrigeration air conditioner 530 of this structure, it is possible to lower the temperature of the water stored in the storage tank 510.

The reservoir temperature sensor 540 senses the temperature of the water contained in the reservoir at a set temperature, for example, 20 ° C. or higher, and transmits a corresponding signal to the controller 570, and the controller 570 is a refrigeration air conditioner ( 530) is activated. When the temperature of the stored water is 10 ° C. or less, the controller 570 stops the operation of the refrigeration air conditioner 530.

The flow path conversion valve 550 prevents direct water from flowing into the storage pipe 515 when the cold direct water flowing through the straight pipe 400 flows to the bottom pipes 210, 220, 230, and 240. On the contrary, when the heating water flows through the heating water supply pipe 330 of the boiler 300 to the bottom pipes 210, 220, 230, and 240, the three-way valve prevents the heating water from flowing into the storage pipe 515. That is, the flow path conversion valve 550 is a three-way valve is to connect the third main pipe 130 and the direct pipe 400 or the storage pipe 515 by the manual operation of the occupant.

In this case, the flow path conversion valve 550 may be automatically operated instead of manual. In this case, the flow path conversion valve 550 uses a three-way valve of a solenoid type operated by electricity. In addition, the flow path conversion valve 550 is controlled in conjunction with the outside air temperature sensor 560 and the control unit 570 to be described later.

The outside temperature sensor 560 senses the temperature of the top of the floor of the room, so that it is possible to know whether the season is required for cooling or the season for heating. The temperature of outside air is 25 degreeC or more normally in the summer which requires cooling, and is 15 degreeC or less in the winter which requires heating. The outside temperature sensor 560 senses this when the temperature of the outside air is 15 ° C. or lower, and sends a corresponding signal to the control unit 570. In response to the signal, the control unit 570 operates the flow path conversion valve 550 to store the storage pipe. 515 and the third main tube 130 to be connected. Accordingly, the straight pipe 400 and the third main pipe 130 are blocked.

The cooling water supply unit 500 may be operated at night when the electric charge is low to lower the temperature of the water stored in the storage tank 510.

In the drawings of this embodiment, the outside air temperature sensor 560 and the control unit 570 is shown separately from the boiler 300, but this is for easier description, the outside air temperature sensor 560 and Of course, the control unit 570 may be replaced with a temperature sensor and a controller built in the boiler.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom.

1 is a front view of a fluid distribution unit applied to the first and second embodiments of the cooling and heating system of the present invention;

2 is a configuration diagram of a first embodiment of a cooling and heating system to which the fluid distribution unit of FIG. 1 is applied;

3 is a configuration diagram of a second embodiment of a cooling and heating system to which the fluid distribution unit of FIG. 1 is applied.

<Description of the symbols for the main parts of the drawings>

110 ... 1st main pipe 110a ... 1st air valve

111, 112, 113, 114 ... first distribution valve

115, 116, 117, 118 ... used piping for 1, 2, 3, 4

120 ... second main pipe 120a ... second air valve

121, 122, 123, 124 ... second distribution valve

121a, 122a, 123a, 124a ... solenoid valve

130 ... 3rd main pipe 130a .... 3rd air valve

131, 132, 133, 134 ... third distribution valve

135 ... Y-branch 140 ... Medium

210, 220, 230, 240 ... 1st, 2nd, 3rd, 4th floor piping

300 ... boiler 310 ... hot water supply pipe

320 ... heating water supply pipe 330 ... heating water supply pipe

400 ... water supply pipe 500 ... cooling water supply

510 ... reservoir 515 ... reservoir piping

520 ... circulating pump 530 ... Refrigeration and air conditioning

531 ... Evaporator 532 ... Compressor

533 ... radiator 534 ... expansion valve

540 ... reservoir temperature sensor 550 ... flow path conversion valve

560 ... outside temperature sensor 570 ... control unit

Claims (8)

A plurality of bottom pipes 210, 220, 230 having inlets 210a, 220a, 230a, 240a and outlets 210b, 220b, 230b, 240b, respectively, are installed on the plurality of floors. 240; Hot water supply pipe 310 for supplying hot water used in real life, heating water supply pipe 330 and floor pipe 210 for supplying the heating water supplied to the bottom pipe 210, 220, 230, 240 A boiler 300 having a heating water inflow pipe 320 through which the heating water flows through the 230 and 240; When the direct water flows through the external direct water supply pipe 400, the direct water flows into the bottom pipes 210, 220, 230, and 240 while passing through the direct water as it is, and is heated by the boiler 300. When the water flows into the floor pipes 210, 220, 230 and 240 while being passed through as it is, and when the direct water and heating water flows in together, the bottom pipe 210 while flowing through as it is introduced. Fluid dispensing unit (100) for dispensing (220) (230) (240); And And a cooling water supply unit (500) for supplying cooling water to the bottom pipe (210) (220) (230) (240). The method of claim 1, The fluid distribution unit 100 may include a first main pipe 110 connected to the hot water supply pipe 310; A second main pipe 120 connected to the heating water inlet pipe 320; A third main pipe 130 connected to the heating water supply pipe 330 and the direct water supply pipe 400; As installed in communication with the third main pipe 130, the third communication with the inlet 210a, 220a, 230a, 240a of the bottom pipe 210, 220, 230, 240, respectively Distribution valves 131, 132, 133, and 134; The second distribution pipe is installed in communication with the second main pipe 120 and communicates with the outlets 210b, 220b, 230b, and 20b of the bottom pipes 210, 220, 230, and 240. Valves 121, 122, 123, and 124; The first distribution valve 111, which is installed in communication with the first main pipe 110, is connected to a plurality of use pipes 115, 116, 117, and 118 for supplying water used in real life, respectively. 112, 113, 114; The first, second, and third main tubes 110, 120, and 130 are respectively installed in the first, second, and third main tubes 110, 120, 130 to discharge air from the first, 2, 3 air valve (110a) and includes a (120a, 130a), The first main pipe (110) and the second main pipe (120) is a heating and cooling system, characterized in that connected to the intermediate pipe (140). According to claim 2, The cooling water supply unit 500, The third main pipe 130 and the second main pipe 120 are connected to each of the storage tank 510 for storing water circulating the bottom pipe 210, 220, 230, 240 and the storage tank ( 510 and the third main pipe 130 or the second main pipe 120 is installed to forcibly circulate the water stored in the reservoir 510 to the bottom pipe (210, 220, 230, 240). The circulation pump 520 and the water stored in the storage tank 510 generate a signal for operating the refrigeration air conditioner 530 by measuring the temperature of the water stored in the refrigeration air conditioner 530 and the storage tank 510. Heating and cooling system comprising a storage temperature sensor 540. The method of claim 3, The third main pipe 130 is installed between the direct water pipe 400 connected to the third main pipe 130 and the storage pipe 515 extending from the storage tank 510. The air conditioning system characterized in that it further comprises a flow path conversion valve (550) for selectively variable connection with any one of the reservoir pipe (515). The method of claim 4, wherein The flow path conversion valve 550 is a three-way valve of a solenoid type operated by electricity, The cooling water supply unit 500 is an external temperature sensor 560 for sensing an ambient temperature and a control unit 570 for operating the flow path conversion valve 550 in association with a signal generated by the external temperature sensor 560. Air conditioning system characterized in that it further comprises. The method of claim 5, The outside air temperature sensor (560) and the control unit 570 is a heating and heating system, characterized in that replaced by a temperature sensor and a controller built in the boiler (300). The method according to any one of claims 1 to 6, As installed in the third main pipe 130, when the direct water flowing from the outside through the direct water supply pipe 400 or the heating water supplied from the boiler 300 flows into the third main pipe 130. Heating and cooling system further comprises a Y-shaped branch pipe (135) for minimizing fluid resistance. The method according to any one of claims 1 to 6, Solenoid valve 121a which is installed in each of the second distribution valves 121, 122, 123, 124 to open and close the second distribution valves 121, 122, 123, 124 automatically ( 122a) (123a) (124a) further comprising a heating and cooling system.

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