KR100812774B1 - A prefabricated heating system - Google Patents

Abstract

A prefabricated heating system is provided to reduce energy consumption by heating a floor with lukewarm water and to reduce construction time. A prefabricated heating system comprises a hypocaust panel(330), a floor finsh(350), and a PE form(340). A hot water pipe which has a predetermined size of diameter is inserted to the hypocaust panel and regularly and densely arranged. The floor finish is installed at an upper part of the hypocaust panel. The PE form is interposed between the hypocaust penal and the floor finish to fix the floor finish. The size of diameter of the hot water pipe is less than 10mm.

Description

Prefabricated heating system

The present invention relates to a prefabricated heating system using an ondol panel, and more particularly, to a heating system using an ondol panel that is easily installed through easy assembly on an indoor floor of a building.

Ondol heating system is Korea's own heating method, closely related to the lifestyle of our nation, and has been used in all private houses since the past. Ondol is a method of using heat conduction. By giving fire to a wide stone (ball field) under the floor, heating is performed by the heat emitted by the heated stone. The ondol heating system is classified into a conventional ondol heating system and an improved ondol heating system.

1 is a cross-sectional structural view of a conventional ondol heating system.

Referring to Figure 1, in order to construct a conventional ondol heating system first to make a whale (1) and to make a pile of clay or stone piled up to put the saddle field (2) thereon. On top of that, a flat granite of 5 to 8 cm in thickness is supported by stones, placed at a constant height, mud is applied on it, and the parts made until then are dried. After that, apply the dawn, then fold and dry again, then put on cardboard. Here, in the form of the whale whale (1) from the archery (3) to the chimney (4), there are 1-ro, 2-ro, and multi-shares. The floor is made slightly higher toward the chimney (4) from the arching (3) in order to allow the smoke to pass evenly throughout the bungalow (1). In addition, if the thickness of the mud applied on the gudangjang (2) is thicker on the arching (3) side and the chimney (4) side is thinner, the entire floor is evenly warmed. However, if the length of the whale (1) is too long it does not burn well, it is difficult to burn, carbon monoxide may leak, there is a problem that takes a lot of time and labor is high construction complexity.

Figure 2 is a view showing a cross-sectional configuration of the improved ondol heating system.

Referring to Figure 2, the improved heating type heating system is a boiler is installed and the floor is formed of a heat insulating material 210 and a concrete layer 220 thereon, and the hot water pipe 230 is embedded thereon to heat the boiler therein. It is a structure that warms the room by flowing heating water. This improved ondol heating system is generally buried hot water pipe 230 using a cement mortar (240) at the apartment construction site and finish with a floor finish (250). However, the heating work using cement mortar 240 has a long period of curing of cement, so the interference with other works is large, and construction is limited in the cold winter season, and the health of residents due to the toxicity of cement when moving in after the completion of the building In addition to adversely affect the construction, there is a problem that a lot of industrial waste occurs during construction or after completion. In addition, since the hot water pipe 230 embedded in the floor has a large diameter and a large surface area, the hot water pipe 230 is installed in a small manner, and a large amount of heat is lost due to heat dissipation while the heating fluid flows. Accordingly, the improved ondol heating system has a problem that the entire floor has a non-uniform floor surface temperature.

The technical problem to be achieved by the present invention is to have excellent heat dissipation ability and to have a uniform floor surface temperature distribution on the entire floor surface, to enable low temperature water heating, to save energy, and to be easy to use and reusable. To provide a good prefabricated heating system.

Another technical problem to be achieved by the present invention is that the construction can be carried out without removing the conventional ondol and evenness of the ondol panel is maintained even when the bottom surface is uneven or the floor is not flat, the load resistance is maintained It is excellent to provide a prefabricated heating system that does not deform even under load.

Another technical problem to be achieved by the present invention is to provide a prefabricated heating system that blocks the floor impact sound to prevent user inconvenience due to noise.

Another technical problem to be achieved by the present invention is to provide a prefabricated heating system that makes the user feel comfortable living and comfortable walking.

In order to achieve the above technical problem, the prefabricated heating system according to the present invention is provided with an ondol panel that is inserted into a hot water pipe having a diameter of a predetermined size to be uniformly and densely arranged. The ondol panel may include: a plurality of units separated from each other at regular intervals on an upper surface of the ondol panel; And a groove formed between the unit and the unit into which the hot water pipe is inserted. In other words, the ondol panel is inserted into the hot water pipe through the groove and the fixed hot water pipe through the plurality of units fixed and the direction is changed, so that the inserted hot water pipe can be uniformly and densely arranged.

Preferably, the prefabricated heating system according to the present invention further includes a support member for flatly supporting the ondol panel. The support member may include an upper panel on which an ondol panel is placed; A support for supporting the upper panel so that the horizontal of the upper panel is maintained; And a fixing member for fixing the support to the bottom surface.

Preferably, the prefabricated heating system according to the present invention further includes a sound insulating sheet installed between the ondol panel and the support member to prevent the transmission of the floor impact sound.

Preferably, the prefabricated heating system according to the present invention further comprises a floor finish that is constructed on top of the ondol panel. In addition, the prefabricated heating system according to the present invention further comprises a pipform for fixing the floor finish.

According to the prefabricated heating system according to the present invention, the heat dissipation ability of the heating system is improved, and the entire bottom surface has the effect of having a uniform floor surface temperature distribution, and low-temperature water heating is possible to reduce energy consumption. In addition, the prefabricated heating system according to the present invention is easy to use and can be reused has an excellent workability. In addition, the prefabricated heating system according to the present invention can be installed without removing the conventional ondol, and evenness of the ondol panel is maintained even when the bottom surface is uneven or the floor is not flat, and the load resistance is maintained. Excellent, there is no deformation even under load. And the prefabricated heating system according to the present invention can prevent the user's discomfort due to noise by blocking the floor impact sound, there is an effect that gives the user a comfortable living feeling and comfortable walking feeling.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the prefabricated heating system according to the present invention.

3 is a cross-sectional view of the prefabricated heating system according to the present invention.

Referring to Figure 3, the prefabricated heating system according to the present invention is a system for heating the room by radiating heat through the circulation of the heating fluid, for this support member 310, sound insulation sheet 320, ondol panel 330, blood Foam 340 and bottom finish 350. Each component of the prefabricated heating system is modular, making it reusable independently of one another and assembled without deformation.

Figure 4a is a view showing an embodiment of the upper shape of the ultra-thin ondol panel, Figure 4b is a view showing an embodiment of the lower shape of the ultra-thin ondol panel.

4A and 4B, the ondol panel 330 is a hot water pipe having a diameter of a predetermined size to be inserted and arranged uniformly and densely. For this purpose, the ondol panel 400 includes a plurality of units 411, 412, 413, 414 and grooves 461. That is, the ondol panel 400 receives the hot water pipe through the groove 461 and fixes and redirects the hot water pipe through the plurality of units 411, 412, 413, and 414 so that the inserted hot water pipe is uniform. And can be arranged densely.

Figure 5a is a view showing the top elevation of the ultra-thin ondol panel, Figure 5b is a view showing the bottom elevation of the ultra-thin ondol panel. 5A and 5B, the units 511, 512, 513, and 514 are separated from each other at regular intervals on the upper surface of the ondol panel 500. Each unit 511, 512, 513, 514 preferably has its center point in line with each center point of the neighboring unit. In addition, the groove 561 is formed between the unit and the unit, the hot water pipe is inserted through the groove 561. That is, the groove 561 serves as a tub that can be passed through the hot water pipe.

Figure 6a is a view showing a detailed top elevation of the ultra-thin ondol panel, Figure 6b is a view showing a detailed bottom elevation of the ultra-thin ondol panel. 6A and 6B, the plurality of units 611. 612, 613, 614, 615, and 616 are preferably the same in size and shape, and the units 611. 612, 613, 614, 615, and 616 are the same. It is preferable that the diameter 620 of 70 mm or less, for example, the unit 611 has a diameter of 67 mm, and thus the prefabricated heating system according to the present invention can be densely arranged hot water pipes. In addition, the length 660 of the groove is preferably the same as the depth of the groove, the depth 630 of the groove 660 should have a size that can be fixed hot water pipe is inserted and inserted hot water pipe. That is, the depth 630 of the groove 660 is preferably the same as the diameter of the hot water pipe. Therefore, the groove 660 of the ondol panel of the prefabricated heating system according to the present invention has a depth and length 660 of 10 mm or less. In one example, the groove 660 has a diameter of 7mm.

7 is a view showing an embodiment of a heating boiler of the prefabricated heating system according to the present invention.

Referring to FIG. 7, the prefabricated heating system according to the present invention may arrange the hot water pipes uniformly and densely on the entire bottom surface by using the ondol panel 330, and may install an ultra-thin hot water pipe. If the hot water pipe is uniformly and densely arranged, heat may be evenly distributed and conducted over the entire bottom surface. In addition, the smaller the diameter of the hot water pipe, the smaller the combustion chamber caused by the flow of the hot water fluid, so that the hot water pipe portion located far from the boiler 710 may generate the same heat generation as the hot water pipe portion close to the boiler 710. In addition, the ultra-thin hot water pipe can quickly circulate the hot water fluid in the hot water pipe with little hydraulic pressure. Accordingly, the prefabricated heating system according to the present invention has an effect that the heat dissipation ability is improved than the existing heating system, and the entire bottom surface has a uniform bottom surface temperature, and low-temperature water heating is possible to reduce energy consumption.

The support member 310 is installed below the ondol panel 330 to support the ondol panel 330 to be kept flat. That is, even if there is an uneven surface or the bottom surface is not flat in the prefabricated heating system is installed according to the present invention serves to maintain the flatness of the ondol panel 330. To this end, the support member 310 is provided with a fixing member 311, the support 312 and the top panel 313.

8A to 8E are views showing the steps of the construction process of the ultra-thin ondol panel and the hot water pipe, respectively.

8A to 8E, the top panel 810 provides a flat surface on which the ondol panel 820 may be placed, and has a plate type. Since the ondol panel 820 is kept flat by the top panel 810, the hot water pipes 830, 840, and 850 are inserted into the ondol panel 820 and are uniformly and densely arranged in a horizontal plane.

In addition, the support 312 supports the top panel 313 to maintain the horizontality of the top panel 313. In the prefabricated heating system according to the present invention, the support 312 is provided in plurality. That is, the plurality of supports 312 are installed below the upper panel 313 to distribute and support the load that may be applied to the upper panel 313 and the upper panel 313. Therefore, even when a large load is applied to the upper panel 313, the prefabricated heating system according to the present invention is hardly deformed.

As an example of the support 312 may be composed of a support plate and a vertical axis. The support plate of the support 312 is to support the top panel 313, the upper portion of the vertical axis of the support 312 is coupled to the fastening portion of the lower portion of the support plate 230 to move up and down and the fixing member 311 It is fixed to the bottom surface 360 by. Since the vertical axis of the support 312 is movably coupled up and down, the prefabricated heating system according to the present invention can maintain the elasticity of the ondol panel 330 even when the bottom surface 360 is not flat. In addition, the vertical axis of the support 312 preferably has a sufficient strength not to cause deformation in consideration of the load of the upper panel 313, as well as the load that can be applied on the upper panel 313.

The fixing member 311 is a configuration provided at the bottom of the prefabricated heating system according to the present invention, the lower portion of the support 312 is fixed to the bottom surface 360 and in various directions applied from the upper portion of the support 312 The support 312 does not slip under load. The support 312 may be preferably formed of an elastic member such as a rubber member so as to absorb the pressure applied from the support 312. As an example, dustproof rubber may be used as the fixing member 311.

Since the prefabricated heating system according to the present invention further includes a support 312 between the floor surface 360 and the ondol panel 330, construction can be performed without removing the conventional ondol, and the load resistance is improved compared to the existing heating system. There is no deformation even under load.

The sound insulating sheet 320 prevents the transmission of the floor impact sound, and is installed between the ondol panel 330 and the support member 310. By installing the sound insulation sheet 320, it is possible to appropriately cope with the middle vibration sound and the light vibration sound that can be generated in the upper portion. That is, the prefabricated heating system according to the present invention has an effect of preventing the inconvenience of the user due to noise by blocking the floor impact sound by including the sound insulating sheet 320. Here, the sound insulation sheet 320 may be installed such as plywood board, wood board, CRC board and honeycomb board.

Floor finishing material 350 is installed on the top of the prefabricated heating system according to the present invention is installed on the top of the ondol panel 330 to protect the ondol panel 330 and hot water pipes and the floor for a comfortable and comfortable residential environment for residents Provide cotton. Reinforcing floor may be used as an example of the floor finishing material 350. By using the reinforced floor as a floor finishing material 350, the prefabricated heating system according to the present invention has an effect that allows residents and users to feel comfortable living feeling and comfortable walking feeling.

The P-form 340 is interposed between the ondol panel 330 and the bottom finish member 350 by fixing the bottom finish member 350 to prevent the bottom finish member from slipping.

9 is a view showing a preferred embodiment of the heating piping diagram of the prefabricated heating system according to the present invention. Referring to FIG. 9, the prefabricated heating system according to the present invention may be installed in the living room 910, the bedrooms 920, 930, 940, the kitchen 950, or the like.

10 is a flowchart illustrating a process of performing a preferred embodiment of the construction method of the prefabricated heating system according to the present invention, and FIGS. 11A to 11G are respectively performed to perform a preferred embodiment of the construction method of the prefabricated heating system according to the present invention. One example of each process is shown.

10 and 11A to 11G, in order to install a prefabricated heating system according to the present invention, a support 1110 and a fixing member 1120 are installed on the bottom surface 1100 (S1000). The upper panel 1130, 1140 is installed on the support 1110 (S1010). A double bottom structure top plate may be installed as the top panel 1130 and 1140. As the sound insulation sheet 320, the upper board 1150 is installed on the upper portion of the double bottom structure (S1020). Ondol panel 1160 is installed on the upper board (1150) (S1030). Here, the ondol panel 1160 is provided with an ultra-thin ondol panel 1160 into which a hot water pipe having a diameter of 10 mm or less can be inserted. And the P-form 1170 is installed on the ondol panel 1160 (S1040). Reinforced floor (1180, 1190) is installed as a floor finishing material 350 on the P-form (1170) (S1050).

12 is a view showing the temperature change for each pipe part of the thermal performance evaluation results in the continuous heating conditions for the prefabricated heating system according to the present invention and Figure 13 is a heat in the continuous heating conditions for the prefabricated heating system according to the present invention The graph shows the average floor surface temperature change among the performance evaluation results. 12 and 13, in a test in which the thermal performance evaluation in the continuous heating conditions for the prefabricated heating system according to the present invention under the conditions of continuously supplying hot water at a supply temperature of 50 degrees, supply flow rate 3Lpm, The temperature difference (ΔT) between the upper part of the pipe and the central part of the pipe from 2 hours after the supply of hot water to the stopping point of the hot water supply (bottom surface temperature stabilization condition) is 2,2K (1210) on average and the average surface temperature is 29 (10). Appears on the road. That is, in the prefabricated heating system according to the present invention, the temperature deviation with respect to the floor surface temperature is less than 2.5K with respect to the entire floor surface, it can be seen that the temperature deviation of the floor surface represented by the existing heating system (6K or more). In addition, the prefabricated heating system according to the present invention is capable of low-temperature water heating with a supply temperature of 50 degrees or less by securing an average floor surface temperature of 29 degrees or more under a condition of a hot water supply temperature of 50 degrees. There is a saving effect.

14 is a view showing a change in the upper heat dissipation over time of the thermal performance evaluation results in the continuous heating conditions for the prefabricated heating system according to the present invention, Figure 15 is a continuous heating condition for the prefabricated heating system according to the present invention This is a graph showing the change of heat dissipation on the bottom surface among the thermal performance evaluation results in. 14 and 15, the upper heat dissipation capacity of the prefabricated heating system according to the present invention is shown as an average of 0.057 kJ / m ² sec (1410) as can be seen in the graph 1510, twice as compared to the conventional heating system It can be seen that it has the above heat dissipation ability.

16 is a view showing the distribution of the bottom surface temperature by time of the thermal performance measurement results by infrared thermal image measurement for the prefabricated heating system according to the present invention, Figures 17a to 17g are each of the present invention by the infrared thermal imager FIG. 2 is a view showing the image of the floor surface temperature distribution and the corresponding temperature graph according to the hot water supply time by the prefabricated heating system according to the time.

Referring to FIGS. 16 and 17A to 17G, thermal performance of the prefabricated heating system according to the present invention was measured at a supply temperature of 60 ° C. and a supply flow rate of 3 LPM. 1710, 1720, 1730, 1740, 1750, 1760, 1770 and crafts for each thermal image (1710, 1720, 1730, 1740, 1750, 1760, 1770) (1715, 1725, 1735, 1745, 1755, 1765, 1775), the prefabricated heating system according to the present invention can be seen that the floor surface temperature distribution is uniform.

18 is a view showing a temperature distribution for each pipe part as an energy consumption characteristic evaluation result for the prefabricated heating system according to the present invention. Referring to FIG. 18, the indoor air temperature of the artificial weather laboratory (outer room) is maintained at 20 degrees and the heat dissipation cover is installed in the prefabricated heating system according to the present invention. As a result of conducting an experiment for evaluation of energy consumption characteristics of the prefabricated heating system, the prefabricated heating system according to the present invention consistently satisfied the set condition with an average indoor temperature of 20.2 degrees (1820) in the artificial weather laboratory, and the room temperature in the heat dissipation cover. Was 21.5 degrees (1830), and heating energy consumption was 6.95 kW · h (1810). 19 is a graph showing the temperature distribution for each pipe part as an energy consumption characteristic evaluation result for the prefabricated heating system according to the present invention. The average surface 1910, the upper part 1920, the central part 1930, and the upper part 1940 are shown. , A graph of the air temperature 1950 and the set air temperature 1960 is shown. Therefore, the prefabricated heating system according to the present invention can be seen that the energy consumption is lower than the existing heating system has the effect of saving energy.

20 is a view showing the deformation of the load resistance test results by 50kgf load for each measurement point for the prefabricated heating system according to the present invention and FIG. 21 is a load resistance at 100kgf load for the prefabricated heating system according to the present invention. It is a figure which shows the deformation amount by load for each measurement point.

Referring to FIGS. 20 and 21, as a result of performing load-bearing measurement experiments with loads of 50 kgf and 100 kgf for the prefabricated heating system according to the present invention, deformation of an average of 2.64 mm (2010) occurs at a local load load of 50 kgf. The mean amount of magnetic strain during removal of the load was 0.78 mm (2020). Also, the average strain of 4.97mm (2110) occurred at 100kgf of local load, and the mean strain of magnetic flux was 1.14mm (2120) when the load was removed. Therefore, it can be seen that the prefabricated heating system according to the present invention has excellent load resistance and hardly deforms even under load.

22A and 22B are diagrams showing measurement results of light standardized floor impact sound and heavy impact sound shielding performance for the prefabricated heating system according to the present invention, respectively, and FIGS. 23A and 23B are respectively for the prefabricated heating system according to the present invention. Light weight normalized floor impact sound and heavy impact sound blocking performance measurement results.

22A to 22B and 23A to 23B, the blocking performance for light weight normalized floor shock sound for the prefabricated heating system according to the present invention is 39 dB (2211) when the sound insulation sheet 320 is a plywood board, 40dB (2221) for wooden board, 39dB (2231) for CRC board, 40dB (2241) for honeycomb board, and plywood board (2311), Wood board 2312, CRC board 2313 and honeycomb board 2314 are shown in FIG. 23A. In addition, the blocking performance for the heavy impact sound for the prefabricated heating system according to the present invention is 48dB (2212) for the sound insulation sheet 320, plywood board, 46dB (2222) for the wood board, 49dB (2232) for the CRC board, In the case of honeycomb boards, 47dB (2242) and the cut-off performance for light-weighted floor impact sound for each frequency are plywood board (2321), wood wool board (2322), CRC board (2323) and honeycomb board (2324). It is shown in Figure 23b. Therefore, it can be seen that the prefabricated heating system according to the present invention has excellent performance of blocking the floor impact sound by securing the blocking performance for light weight standardized floor impact sound to 43 dB or less and the blocking performance for heavy impact sound to 49 dB or less.

Although the preferred embodiments of the present invention have been shown and described above, the present invention is not limited to the specific preferred embodiments described above, and the present invention belongs to the present invention without departing from the gist of the present invention as claimed in the claims. Various modifications can be made by those skilled in the art, and such changes are within the scope of the claims.

The prefabricated system according to the present invention can be used as a heating system of a room, a kitchen, a living room, and a kitchen at the time of construction or reconstruction of a general house, a high-rise apartment house, a residential complex, and an apartment. Rebuilding time can be shortened and labor costs, material costs, etc. can be saved.

1 is a view showing a cross-sectional configuration of a conventional ondol heating system,

Figure 2 is a view showing a cross-sectional configuration of the improved ondol heating system,

3 is a cross-sectional view of a prefabricated heating system according to the present invention;

Figure 4a is a view showing an embodiment of the upper shape of the ultra-thin ondol panel,

Figure 4b is a view showing an embodiment of the lower shape of the ultra-thin ondol panel,

Figure 5a is a view showing an upper elevation of the ultra-thin ondol panel,

5b is a bottom elevation view of the ultra-thin ondol panel;

Figure 6a is a top elevational view of the ultra-thin ondol panel,

Figure 6b is a bottom elevational view of the ultra-thin ondol panel,

7 is a view showing an embodiment of a heating boiler of a prefabricated heating system according to the present invention;

8A to 8E are views showing the steps of the construction process of the ultra-thin ondol panel and the hot water pipe, respectively,

9 is a view showing a preferred embodiment of the heating piping diagram of the prefabricated heating system according to the present invention,

10 is a flowchart illustrating a process of carrying out a preferred embodiment of the construction method of the prefabricated heating system according to the present invention;

11a to 11g are diagrams each showing an example of each of the process of performing a preferred embodiment of the method of constructing a prefabricated heating system according to the present invention,

12 is a view showing the temperature change for each pipe part in the thermal performance evaluation results in the continuous heating conditions for the prefabricated heating system according to the present invention,

13 is a graph showing the average floor surface temperature change in the thermal performance evaluation results in the continuous heating conditions for the prefabricated heating system according to the present invention,

14 is a view showing the change in the upper heat dissipation over time of the thermal performance evaluation results in the continuous heating conditions for the prefabricated heating system according to the present invention,

15 is a graph showing the average floor surface temperature change of the thermal performance evaluation results in the continuous heating conditions for the prefabricated heating system according to the present invention,

16 is a view showing the distribution of the floor surface temperature by time of the thermal performance measurement results by infrared thermal image measurement for the prefabricated heating system according to the present invention,

17A to 17G are images showing floor surface temperature distributions according to the hot water supply time according to the prefabricated heating system according to the present invention by an infrared thermography measuring device, and corresponding line profiles, respectively.

18 is a view showing the temperature distribution for each pipe part as a result of evaluating the energy consumption characteristics for the prefabricated heating system according to the present invention,

19 is a graph showing the temperature distribution for each pipe part as a result of evaluating energy consumption characteristics for the prefabricated heating system according to the present invention;

20 is a view showing the deformation amount by load for each measurement point load resistance test results with a 50kgf load for the prefabricated heating system according to the present invention,

21 is a view showing the deformation amount by load for each measurement point load resistance test results with a 100kgf load for the prefabricated heating system according to the present invention,

22a is a view showing the results of measurement of light weight normalized floor impact sound blocking performance for the prefabricated heating system according to the present invention;

Figure 22b is a diagram showing the result of the measurement of the impact shock sound performance for the prefabricated heating system according to the present invention,

23a is a graph showing a measurement result of light weight normalized floor impact sound blocking performance for a prefabricated heating system according to the present invention, and

Figure 23b is a graph showing the result of the measurement of the impact shock sound performance for the prefabricated heating system according to the present invention.

Claims (12)

Ondol panel is fixed so that the hot water pipe having a diameter of a predetermined size is inserted and arranged uniformly and densely; A floor finishing material installed on an upper portion of the ondol panel; And Prefabricated heating system comprising a; P foam interposed between the ondol panel and the floor finishing material to fix the floor finishing material. The method of claim 1, The predetermined size is prefabricated heating system, characterized in that less than 10mm. The method of claim 1, The ondol panel, A plurality of units disposed on the upper surface of the ondol panel and separated from each other at regular intervals; And And a groove formed between the unit and the unit to which the hot water pipe is inserted and fixed. The method of claim 3, wherein And said plurality of units are identical in size and shape to each other. The method of claim 3, wherein Prefabricated heating system, characterized in that the depth of the groove is the same as the diameter of the hot water pipe. The method of claim 1, The prefabricated heating system, Prefabricated heating system further comprises a support member for supporting the ondol panel flat. The method of claim 6, The support member, An upper panel on which an ondol panel is placed; A support for supporting the upper panel so that the horizontal of the upper panel is maintained; And Prefabricated heating system comprising a; fixing member for fixing the support to the bottom surface. The method of claim 6, Prefabricated heating system, characterized in that the fixing member is dustproof rubber. The method of claim 6, The prefabricated heating system, Prefabricated heating system characterized in that it further comprises a sound insulation sheet installed between the ondol panel and the support member to prevent the transmission of the floor impact sound. delete The method of claim 1, Prefabricated heating system, characterized in that the floor finish is reinforced floor. delete

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