KR101020081B1 - A Cold And Warm Water Supply System - Google Patents

Abstract

The present invention relates to a cold and hot water supply system, and more particularly, a cold water pipe and a hot water pipe are exposed to a lower portion of a heating / hot water boiler for heating and supplying cold water in an apartment, officetel, hotel, residential house, and the like. In a well-known cold and hot water supply system for supplying cold and hot water to a common bathroom and a private bathroom, a pressure sensor 15 and a circulating water pump 16 are exposed to a lower part of the heating / hot water boiler 12. The distribution control unit is provided with a cold water distribution pipe 17 for distributing cold water and a hot water distribution pipe 18 for distributing hot water, and a plurality of thermal valves 19 are installed below the cold and hot water distribution pipe 18. 11 is a circulating water pumping distribution control zone (10) consisting of a mixture for supplying mixed water to the circulating water pumping distribution control zone (10), the common bathroom control zone (30) and the private bathroom control zone (40). Water pipe 24 and circulating water pipe 25 where circulation takes place The hot water boiler 12 and the circulating water are operated by operating the circulation water pump operation switch 22 and the temperature control switch 21 of the heating / hot water combined-use boiler 12 installed at one side of the bathroom inlet and the water discharge port 34 by piping. With the switch contact of the pump 16, the circulating water pump 16 of the heating / hot water boiler 12 is operated to circulate the circulating water through the mixed water pipe 24 and the circulating water pipe 25. The control lever 35 of the cold / hot water integrated mixing faucets 32 and 33 installed in the common bathroom control zone 30 and the private bathroom control zone 40 set by the temperature control switch 21. By discharging the mixed water of the set temperature immediately available through the water discharge port 34 by the upper and lower control levers 35 of the cold / hot water integrated mixing faucet 32, 33 as in the conventional hot water use method Operate to the left or right to drain the stagnant cold water into the pipe and adjust the temperature to suit your needs. It is possible to reduce the waste of water discarded to discharge hot water, and even when turned to the leftmost side of the control lever 35 of the cold / hot water integrated mixer faucet 32, 33, the mixed water of the highest temperature set is discharged. As a result, hot water of a hot operation due to immature operation is directly discharged to the water discharge port to prevent burns, and the temperature of the hot water used during bathing or showering is often changed depending on the hot water heating temperature of the heating / hot water boiler 12. It is an easy-to-use cold and hot water supply system that eliminates temperature changes and temperature discomfort.

Description

Cold and Warm Water Supply System

The present invention relates to a cold and hot water supply system, and more particularly, a cold water pipe and a hot water pipe are exposed to a lower portion of a heating / hot water boiler for heating and supplying cold water in an apartment, officetel, hotel, residential house, and the like. In a well-known cold and hot water supply system for supplying cold and hot water to a common bathroom and a private bathroom, a cold water distribution pipe for distributing cold water is provided with a pressure sensor and a circulating water pump installed under the heating / hot water combined boiler. A hot water distribution pipe for distributing hot water and a hot water distribution pipe is formed, and a circulation water pumping distribution control zone including a distribution control unit in which a plurality of summer valves are installed under the cold and hot water distribution pipes, and the circulation water pumping distribution control zone and the common bathroom It is piped with a mixed water pipe that supplies mixed water to a control zone and a private bathroom control zone, and a circulating water pipe that has circulation. It is a system configuration that uses an integrated mixing faucet, and operates the circulating water pump operation switch and the temperature control switch of the combined heating / hot water boiler installed at one side of the bathroom entrance and the water discharge port, so that the switch contact of the heating / hot water boiler and the circulating water pump is operated. The circulating water pump of the combined heating / hot water boiler is operated to circulate the circulating water through the mixed water pipe and the circulating water pipe, and the mixed water of the temperature set by the temperature control switch is used in the common bathroom control zone and the private bathroom control zone. By discharging the mixed water of the set temperature which can be used immediately through each installed water discharge port, and operating the control lever of the cold / hot water all-in-one type mixing faucet up, down, left, and right as in the existing method of using hot water, the cold water stagnated in the pipe After discharging the water, it is possible to reduce the waste of water discarded to discharge hot water having a temperature that meets the user's desire. When the control lever is turned to the left most, the hot water at the highest temperature set by the temperature control switch comes out, and when the control lever is turned to the right, the cold water at the lowest temperature comes out immediately, heating the immature operation of the control lever of the cold / hot water integrated mixer. Hot water from the combined hot water boiler is discharged directly to the water discharge port to prevent burns, and the temperature of the hot water used for bathing or showering changes frequently depending on the boiler's hot water heating when cold or hot water is used in the tap water in the other control zone. It is easy to install by using one thermo valve, and it is easy to install by using one thermo valve, and even the flow temperature fluctuates even if the flow rate fluctuates. Hot water supply system.

In addition, by installing only the summer valve in the lower part of the old building so that the temperature control is set by manual adjustment, it is possible to configure the cold and hot water supply system by simple installation without having to repair the whole building.

Cold and hot water supply systems in apartments, officetels, hotels, residential homes, sauna facilities, etc. are heated by cold water and hot water boilers directly supplied to each customer's source, and the hot water supplied to each customer's source is integrated with the cold / hot water integrated type faucet. Cold and hot water is mixed by the operation of the handle and discharged through the water discharge port of the cold / hot water integrated type mixer.

The conventional structure installed as described above is provided with a separate faucet handle or a manual control valve for controlling the temperature and quantity of the mixed water discharged through the water discharge port of the cold / hot water integrated mixer taps when the cold water and hot water supplied The faucet handle or the manual control valve was manually operated to be a user's arbitrary temperature so that the mixed water mixed with cold and hot water was discharged through the water discharge port of the faucet formed integrally with the cold and hot water mixing faucet.

The discharge of the mixed water by the manually operated faucet handle or the manual control valve is different from the discharge water discharged according to the user, which makes it difficult to adjust the proper temperature. Since hot water of temperature and cold water of cold water pipe are mixed and discharged, the temperature of discharged water is changed during use, which makes it inconvenient to readjust the faucet handle in order to adjust the proper temperature. When operating in the direction, there was a drawback that the hot hot water or cold cold water is discharged and the user is burned or surprised.

In order to solve the above conventional drawbacks, the present invention has a pressure sensor and a circulating water pump installed under the heating / hot water combined boiler to expose a cold water distribution pipe for distributing cold water and a hot water distribution pipe for distributing hot water. And a circulation water pumping distribution control zone including a distribution control unit having a plurality of summer valves installed under the cold and hot water distribution pipes, and mixed into the circulation water pumping distribution control zone, a common bathroom control zone, and a private bathroom control zone. Combined with heating / hot water by operating the circulating water pump operation switch and temperature control switch of the combined heating / hot water boiler installed on one side of the bathroom entrance and the water discharge port, which are connected to the mixed water pipe for supplying water and the circulation water pipe for circulation. The switch contact between the boiler and the circulating water pump is attached and the circulating water pump of the heating / hot water boiler is operated to The circulating water is circulated so that the highest temperature mixed water set by the temperature control switch can be used immediately through the water discharge port by the control lever of each cold and hot water mixing faucet installed in the common bathroom control zone and the private bathroom control zone. By discharging the mixed water of the set temperature, operate the control lever of the cold / hot water integrated mixing faucet up, down, left and right as in the existing method of using hot water to remove the stagnant cold water in the pipe and then adjust the temperature according to the user's desire. It is possible to reduce the waste of water discarded in order to discharge hot water having a high temperature, and even when turned to the leftmost side of the control lever of the cold / hot water integrated mixer tap, the mixed water at the highest temperature is discharged. Is discharged directly to the water discharge port to prevent burns, and the temperature of the hot water used for bathing or showering is combined with heating / hot water. This often changed to eliminate an unpleasant feeling of temperature change and the temperature at which occurs the installation used in accordance with the multiple temperature changes of the hot water heating provide an easy-cooling and hot water supply system is aimed.

In order to achieve the above object, the present invention provides a cold water distribution pipe 17 for distributing cold water by installing a pressure sensor 15 and a circulating water pump 16 exposed to a lower portion of a heating / hot water combined boiler 12. Circulating water pumping distribution control zone (10) including a distribution control unit (11) in which a hot water distribution pipe (18) is formed to distribute hot water and hot water distribution pipes (18) are formed below the cold and hot water distribution pipes (18). ) Is composed of a mixed water pipe 24 and a circulation for supplying mixed water to the circulating water pumping distribution control zone 10, the common bathroom control zone 30, and the private bathroom control zone 40. The heating / hot water combined boiler 12 and the circulation water pump are operated by operating the temperature control switch 21 of the combined heating / hot water boiler 12 installed at one side of the bathroom inlet and the water discharge port 34 by being connected to the circulation water pipe 25. With the switch contact of (16), the circulating water pump 16 of the heating / hot water boiler 12 is operated to In the cold and hot water supply system for supplying mixed water of the highest temperature set by the temperature control switch 21 by circulating the circulating water through the water pipe 24 and the circulating water pipe 25, the common bathroom control In combination with each existing cold / hot water integrated mixer faucet 32, 33 and the thermal valve 19 installed in the zone 30 and the private bathroom control zone 40, the existing cold / hot water integrated mixer faucet ( 32 of the existing cold / hot water integrated mixing faucet 32 ( The hot and cold water set by the user through the water discharge port 34 of 33) is converted and discharged by the control lever 35 of the existing cold / hot water integrated mixing faucet 32, 33, so that The hot water is circulated to provide high temperature through the water discharge port 34 of the existing cold / hot water integrated mixing faucet 32, 33. It is characterized in that the hot water supply of the discharge to prevent burns, and to save unnecessary water waste and energy.

The present invention configured as described above is a pressure sensor and the circulation water pump to the lower portion of the heating / hot water combined boiler for heating and supplying cold water, such as new apartments, officetels, hotels, residential houses or apartments, officetels, hotels, residential houses to be remodeled The exposure pipe is installed to form a cold water distribution pipe for distributing cold water and a hot water distribution pipe for distributing hot water, and a circulation water pumping distribution control zone including a distribution control unit having a plurality of summer valves installed under the cold and hot water distribution pipes. And a heating pipe installed at one side of the bathroom entrance and the water discharge port, which is piped with the mixed water pipe for supplying the mixed water to the circulating water pumping distribution control zone, the common bathroom control zone, and the private bathroom control zone, and the circulation water pipe having circulation. By operating the circulating water pump operation switch and the temperature control switch of the combined use of the hot water boiler and the circulating water pump With the switch contact, the circulating water pump of the heating / hot water boiler is operated to circulate the circulating water through the mixed water pipe and the circulating water pipe so that the mixed water of the highest temperature set by the temperature control switch is used in the shared bathroom control zone and individual The control lever of the integrated hot / cold water mixing faucet installed in the bathroom control zone discharges the mixed water of the set temperature which can be used immediately through the water discharge port, and adjusts the control lever of the cold / hot water integrated water faucet as in the conventional method of using hot water. It can be operated up, down, left and right to remove the stagnant cold water in the pipe and reduce the wasted water to discharge the hot water with the temperature that suits the user's desire. The control lever of the cold / hot water integrated mixing faucet Even when it is turned to the leftmost side, the mixed water at the highest temperature set is discharged, and hot water of high temperature due to immature operation It prevents burns by being discharged directly to the water pit, and it removes the discomfort of temperature and the uncomfortable temperature caused by the change of temperature of hot water used in the bath or shower by changing the hot water heating temperature of the combined heating / hot water boiler. All.

In addition, by simply installing the summer valve of the circulation water pumping distribution control zone of the present invention in the existing cold and hot water pipes, the mixed water having a set temperature is supplied to prevent the hot water supply from being discharged.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

1 is a block diagram schematically showing a cold and hot water supply system according to the present invention, Figure 2 is a schematic view showing the overall configuration of the cold and hot water supply system according to the present invention, as shown in Figs. Likewise, the pressure sensor 15 and the circulating water pump 16 are installed under the heating / hot water combined boiler 12 to expose the cold water distribution pipe 17 to distribute cold water and the hot water distribution pipe to distribute hot water ( 18 is formed and the circulation water pumping distribution control zone 10 composed of a distribution control unit 11 in which a plurality of thermal valves 19 are installed below the cold and hot water distribution pipes 17 and 18. The mixed water pipe 24 for supplying the mixed water to the circulating water pumping distribution control zone 10, the common bathroom control zone 30, and the private bathroom control zone 40, and the circulating water pipe 25 in which circulation is formed. Piped.

In addition, cold and hot water are supplied from the heating / hot water combined boiler 12 and the water meter 1 to be piped to the kitchen control zone 50.

The circulating water pumping distribution control zone 10 is circulated with the pressure sensing sensor 15 to the lower portion of the heating / hot water combined boiler 12 that heats the cold water supplied from the cold water pipe 13 as shown in FIG. 3. The water pump 16 is provided with an exposed pipe, and a cold water distribution pipe 17 for distributing cold water and a hot water distribution pipe 18 for distributing hot water are formed, and a plurality of cold and hot water distribution pipes 17 and 18 are provided below. It consists of a distribution control unit 11 is provided with a summer valve 19.

In addition, a reverse flow valve 16a is provided on the cold water pipe 13 and the circulating water pump 16 side to prevent cold water and mixed water from flowing back.

The summer valve 19 is a conventionally known one in which a five-phase or multi-phase step motor and a thermostart valve for adjusting the set temperature of the mixed water are integrally fixed and used. The step motor is supplied with DC power.

The thermovalve 19 installed as described above has a temperature formed at one side of each use place or bathroom entrance and the cold / hot water integrated mixing faucets 32 and 33, such as the controller 20 and the respective control zones 30 and 40. It is connected to the control switch 21 by an electric wire 5 and controlled by the controller 20 and each temperature control switch 21.

The temperature control switch 21 is installed in a suitable position to fit the user's copper wire and the user's desire, it can also install a separate switch to add a plurality of functions as needed.

Therefore, the circulating water pump operating switch 22 and the temperature control switch 21 installed at one side of each control zone 30 and 40 or the bathroom entrance and the cold / hot water integrated mixing faucet 32 and 33 are used. By setting the desired temperature and operating it, the switch contact of the heating / hot water boiler 12 and the circulation water pump 16 is attached and the circulating water pump 16 of the heating / hot water boiler 12 is operated and mixed. Circulation of the circulating water is made through the water pipe 24 and the circulating water pipe 25 so that the mixed water of the temperature set by the temperature control switch 21 is passed through the control valve 30 through the thermo valve 19. It is supplied to each of the cold / hot water integral mixing faucet 32, 33 installed in the common bathroom, the private bathroom forming the 40 to discharge the mixed water having a set temperature immediately available through the water discharge port 34, Hot hot water is discharged to prevent burns and unnecessary water bag And it controls the heating / hot water Combination boiler 12 so as to save energy.

The hot water pipe 14 coupled to the lower portion of the heating / hot water boiler 12 is installed with a pressure sensor 15 to detect the flow of water in the hot water pipe 14 to ignite and operate the heating / hot water boiler 12. The heating / hot water boiler 12 and the circulating water pump 16 are prevented from continuously operating.

Figure 4 is a perspective view of the tub cold / hot water integrated mixing faucet and washbasin cold / hot water integral mixing faucet installed in the common bathroom control zone according to the present invention, supplied at a temperature set from the circulating water pumping distribution control zone (10) The cold water and the mixed water are the existing bath cold / hot water integrated mixing faucet 32 or wash basin cold / hot water integrated mixing faucet (30) installed on the bathtub side and the wash basin side of the common bathroom control zone (30) and the private bathroom control zone (40). 33).

The cold / hot water integrated type mixer faucet 32, 33 is attached to the faucet enclosure 31 invented by the person, and the branch pipe for branching the cold and hot water is installed inside the faucet enclosure 31. Is installed.

As described above, the common bathroom control zone 30 and the private bathroom control zone 40 connected to the circulating water pumping distribution control zone 10 are controlled by the thermovalve 19 installed in the circulating water pumping distribution control zone 10. Mixing water having a temperature of the temperature set by the temperature control switch 21 in the common bathroom control zone 30 and the private bathroom control zone 40 by the existing bath cold / hot water integrated mixing faucet 32 Or it is supplied directly to the wash / cold water integrated mixing faucet 33 is discharged to each water discharge port (34).

At this time, turning the control lever 35 formed in the bathtub cold / hot water integrated mixing faucet 32 or the basin cold / hot water integrated mixing faucet 33 to the leftmost position, the user has the hot water at the highest temperature set by the temperature control switch 21. When the control lever 35 is turned to the right side, the cold water at the lowest temperature is immediately released, and the heating / hot water combined boiler 12 is inadequately operated by the control lever 35 of the cold / hot water integrated mixing faucet 32, 33. Hot water of high temperature is discharged directly to the water discharge port 34 to prevent burns.

In addition, the common bathroom control zone 30 and the private bathroom control zone 40 connected to the circulating water pumping distribution control zone 10 are piped so as to be circulated by the circulating water pipe 25 so that the faucet of the other control zone When using cold or hot water, there is no change in temperature and unpleasant feeling of temperature that the temperature of hot water used for bath or shower changes frequently depending on the change of heating of hot water of the boiler.

In addition, by installing one thermovalve 19 necessary for each of the control zones 30 and 40, the installation is simple, and the same temperature control of the mixed water supplied to each of the control zones 30 and 40 is achieved. Even if the flow rate fluctuates, it can be used safely without changing the temperature of the mixed water.

On the other hand, in the kitchen control zone 50, the kitchen installed in the faucet enclosure 31 through the accessory branch distributor 36 installed in the faucet enclosure 31 on the heating / hot water combined boiler 12 and the water meter (1) side. Cold and hot water is directly supplied to the cold / hot water integrated mixing faucet 52 and discharged to the water discharge port 34 by the control of the control lever 35, and at the same time, the accessory branch distributor 36 is discharged to the washing room valve box 55 side. The cold and hot water are branched and passed to the washing machine side 56 and the hand washing side 57.

The cold and hot water supplied to the kitchen cold / hot water integrated mixing faucet 52 is supplied in the same manner as the conventional method and is adapted to the user by operating the control lever 35 formed on the kitchen cold / hot water integrated mixing faucet 52. Mixed water is immediately adjusted and discharged.

The cold water pipe 13 is branch-passed by the accessory branch distributor 36 and supplied to the balcony faucet 58 side.

The washing machine side 56, the hand washing side 57 and the balcony side 58 is provided with a head 59 that is installed buried into the wall, the spout 60 is coupled.

5 is a schematic view of another embodiment showing a state of installing the summer valve according to the present invention, the cold water pipe 13 and the hot water pipe 14 exposed to the lower portion of the heating / hot water combined boiler 12 installed in the existing building. The thermostatic valve 19 is installed between the cold water pipes 13 and the thermostatic valve 19 to supply cold water and mixed water.

In the cold and hot water supply system configured as described above, the summer valve 19 is installed between the cold water pipe 13 and the hot water pipe 14 exposed to the lower part of the heating / hot water combined boiler 12 installed in the existing building. By connecting the mixed water pipe of the summer valve 19 to the existing hot water supply pipe side through the cold water pipe 13 and the summer valve 19 to supply hot water at a temperature set by the user. There is no need for repair and maintenance, and simply install the summer valve 19 in the cold and hot water pipes 13 and 14 under the heating / hot water combined-use boiler 12 to supply the mixed water having the temperature set by the summer valve 19. As it can be supplied and used, it is very economical and prevents a high temperature hot water discharged directly to the water discharge port 34 by the immature operation of the control lever 35 as in the prior art and burns.

Temperature control of the thermal valve 19 installed exposed to the lower portion of the heating / hot water combined boiler 12 adjusts the user temperature of the summer valve 19 to the heating / hot water conversion button (not shown) installed on the wall in the living room and kitchen The temperature control switch 21 is installed integrally to adjust the user temperature of the summer valve 19 before switching the hot water operation button of the heating / hot water conversion button of the heating / hot water boiler 12. After setting the user use hot water temperature, after pressing the hot water operation button of the heating / hot water conversion button, the mixed water having the set user hot water temperature may be supplied and used.

On the other hand, the thermal valve 19 exposed to the lower portion of the combined heating / hot water boiler 12 may be installed in the heating / hot water combined boiler 12, eliminating the exposure of the summer valve 19 to the outside. We give aesthetically good looking.

As described above, the temperature control of the thermal valve 19 installed in the heating / hot water boiler 12 may be manually operated by installing a separate operation switch outside the cover of the heating / hot water boiler 12. The temperature of the hot water supplied through the valve 19 can be manually adjusted.

1 is a block diagram schematically showing a cold, hot water supply system according to the present invention.

Figure 2 is a schematic diagram showing the overall configuration of the cold, hot water supply system according to the present invention.

3 is a schematic view showing a circulating water pumping distribution control zone according to the present invention;

Figure 4 is a perspective view of the tub cold / hot water integrated mixing faucet and wash basin cold / hot water integral mixing faucet installed in the common bathroom control zone according to the present invention

Figure 5 is a schematic diagram of another embodiment showing a state of installing the summer valve in the lower heating / hot water combined boiler according to the present invention.

* Description of the symbols for the main parts of the drawings *

1 Water meter 5 Electric cable

7 Toilet 10 Circulating water pumping distribution control zone

11 Distribution control unit 12 Heating / hot water boiler

13 cold water pipe 14 hot water pipe

15 Pressure sensor 16 Circulating water pump

16a Backflow valve 17 Cold water distribution pipe

18 Hot water distribution pipe 19 Summer valve

20 Controller 21 Temperature Control Switch

22 Pump operation switch 24 Mixing water pipe

25 Circulating water pipe 30 Common bathroom control zone

31 Faucet Enclosure 32 Tub Cold / Hot Water Integrated Mixer

33 Wash basin cold / hot water integrated mixer tap 34

35 Adjustment lever 36 Accessory Divider

40 Private Bathroom Control Zone 50 Kitchen Control Zone

52 Kitchen Cold / Hot Water Mixer 55 Laundry Room Valve Box

56 Washing machine side 57 Hand washing side

58 balcony side 59 head

60 water jet

Claims (5)

The pressure sensor 15 and the circulating water pump 16 are installed under the heating / hot water combined boiler 12 to expose the cold water distribution pipe 17 for distributing cold water and the hot water distribution pipe 18 for distributing hot water. The circulation water pumping distribution control zone 10 is formed of a distribution control unit 11 formed with a plurality of thermal valves 19 are formed below the cold, hot water distribution pipe 18, the circulation water pumping distribution control The entrance to the bathroom is piped by the mixed water pipe 24 for supplying the mixed water to the zone 10, the common bathroom control zone 30 and the private bathroom control zone 40, and the circulation water pipe 25 for circulation. By operating the temperature control switch 21 of the combined heating / hot water boiler 12 installed at one side of the water discharge port 34, the heating / hot water is attached to the switch contact between the heating / hot water boiler 12 and the circulating water pump 16. The circulation water pump 16 of the combined-fuel boiler 12 is operated, and the circulation of the circulation water through the mixed water pipe 24 and the circulation water pipe 25 is performed. In the cold and hot water supply system in which a circulation is performed to supply the mixed water of the highest temperature set by the temperature control switch 21, Combined with each existing cold / hot water integrated mixing faucet 32, 33 and the thermo valve 19 installed in the common bathroom control zone 30 and the private bathroom control zone 40, the existing cold / hot water integrated type Through the water discharge port 34 of the mixing faucet 32, 33, the existing water / cool water integrated mixing faucet (not the water discharge hole 34 in which the mixed water at a predetermined temperature is integrally combined with the summer valve 19) ( 32) The user sets the hot and cold water set by the user through the water discharge port 34 of the 33 and the discharge lever is switched by the control lever 35 of the existing cold / hot water integrated mixing faucet 32 and 33. By circulating hot water at a temperature, hot hot water is discharged through the water discharge port 34 of the existing cold / hot water integrated mixing faucets 32 and 33 to prevent burns, and unnecessary waste of water and Cold and hot water supply system, characterized in that to save energy. The method of claim 1, The thermal valve 19 installed between the cold water pipe 13 and the hot water pipe 14 exposed to the lower portion of the heating / hot water boiler 12 is provided by the user through the cold water pipe 13 and the summer valve 19. By using the hot water of the set temperature compatible with the existing cold / hot water integrated mixer faucet (32) (33) of each hot water demand source, as in the conventional hot water use of the cold / hot water integrated mixer faucet (32) (33) By operating the control lever 35 up, down, left, and right to remove the stagnant cold water in the pipe and to reduce the waste of water discarded to discharge the hot water having a temperature suitable for the user's desire, the control lever 35 ) To the left side, the user comes out the hot water of the highest temperature set by the temperature control switch 21, when the control lever 35 is turned to the right side, the cold water of the lowest temperature immediately comes out, cold / hot water integral type mixer faucet (32) (33) Immature operation of the control lever 35 of the heating / hot water combined use boiler High temperature hot water is discharged directly to the water discharge port 34 to prevent burns, and used for bathing or showering according to the change of hot water heating of the heating / hot water boiler 12 when using cold and hot water in the faucet of the other control zone. It eliminates the change of temperature and the discomfort of the temperature that the temperature of hot water changes from time to time, easy to install using one summer valve 19, the same temperature control of each control zone (30, 40) flow rate fluctuation Cold and hot water supply system, characterized in that the temperature change of the hot water is generated minutely. In cold and hot water supply system, By installing a summer valve 19 between the cold water pipe 13 and the hot water pipe 14 exposed to the lower portion of the heating / hot water combined boiler 12 installed in the existing building, the cold water pipe 13 and the summer valve ( 19) by connecting the mixed water pipe of the thermovalve 19 to the existing hot water supply pipe to supply hot water at a temperature set by the user, without having to repair and repair the entire existing building (12) The cold and hot water pipes 13 and 14 in the lower portion of the summer valve 19 is simply installed so that the mixed water having a temperature set by the summer valve 19 can be supplied and used. Hot water supply system. The method of claim 3, The thermal valve 19 exposed to the lower portion of the heating / hot water boiler 12 is installed inside the heating / hot water boiler 12, and the temperature control of the thermal valve 19 is combined with the heating / hot water boiler ( 12) Cold and hot water supply system characterized in that the manual operation from the outside of the cover. The method of claim 3, Temperature control switch for controlling the temperature of the summer valve 19 exposed to the lower portion of the heating / hot water combined boiler 12 to adjust the user temperature of the summer valve 19 to the heating / hot water conversion button installed on the wall in the living room and kitchen The user can use the temperature control switch 21 to adjust the user temperature of the thermovalve 19 before switching the hot water operation button of the heating / hot water conversion button of the heating / hot water combined-use boiler 12 by integrally installing 21. After setting the cold / hot water supply system, characterized in that the mixed water having a user hot water temperature set after pressing the hot water operation button of the heating / hot water conversion button.

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