KR20100006175A - A cold and hot water supply system using the district heating heat and central supply heating heat - Google Patents

Abstract

PURPOSE: A cold and hot water supply system using the district heating heat or central supply heating heat is provided to reduce the water waste when supplying hot water according to the desired water temperature of a user. CONSTITUTION: A cold and hot water supply system using the district heating heat or central supply heating heat comprises a mixed water supply zone(20). The mixed water supply zone supplies the mixed water because plural thermo valves(25) are connected to a main cold water supply pipe(12) and a main hot water supply pipe(13). The mixed water is transmitted to a public bathroom control zone(30) and an individual bathroom control zone(40) through plural thermo valves installed in the mixed water supply zone. The mixed water is discharged to a circulating water pipe(26) composed of cold and hot water mixed water faucets(32,33).

Description

A cold and hot water supply system using the district heating heat and central supply heating heat

The present invention relates to a cold and hot water supply system using district heating or central supply heating. More specifically, the present invention provides cold and hot water to households such as apartments, officetels, hotels, residential houses equipped with district heating facilities or central heating facilities. In the cold and hot water supply system, a main cold water supply pipe with a cold water supply meter to supply cold water from a cold and hot water supply source, a main hot water supply pipe with a hot water supply meter to supply hot water, a control valve, a pressure switch, and a time switch A mixed water supply control zone configured to supply mixed water connected to a plurality of summer valves connected to the main cold water supply pipe) and the main hot water supply pipe by being connected to the installed main hot water discharge pipe; Circulation of the existing cold / hot water integrated mixed faucets and mixed water connected to the mixed water pipe through which the mixed water is transferred to the common bathroom control zone and the private bathroom control zone through a plurality of thermal valves installed in the mixed water supply control zone. It is piped to the circulating water pipe which is formed in the common bathroom control zone and the private bathroom control zone is set to the temperature of the temperature control switch for setting the discharge temperature of the mixed water according to the user's desire, then control of the integrated cold / hot water integrated mixer tap When the lever is opened, the pressure switch and the time switch are operated, and the control valve is opened to circulate, and the mixed water of the desired temperature is discharged to the water discharge port of the cold / hot water integrated mixing faucet, and the control lever of the cold / hot water integrated mixing faucet To close the pressure switch and time switch, the control valve closes to stop the circulation. The mixed water of the temperature lowered through the hot water is returned to the cold and hot water supply of the district heating facility or the central heating facility hot water heat exchanger through the hot water discharge meter of the main hot water discharge pipe and reheated to eliminate energy waste and waste of water resources. As the conventional hot water use method, the mixed water of the set temperature can be immediately discharged through the water discharge port of the existing cold / hot water integrated type mixer faucet connected to the mixing water pipe that transfers the mixed water to the zone and the private bathroom control zone. By operating the control lever of the hot water integrated mixer faucet up, down, left and right, it is possible to reduce the waste of water discarded to discharge the hot water having the temperature that meets the user's desire after removing the stagnant cold water in the pipe. Hot water from the main hot water supply pipe is discharged directly to the water discharge port due to poor operation It is prevented from being worn, and the cold and hot water input and output by the respective meters connected to the digital or analog reading indicator with the cold water main supply pipe for supplying the cold water, the main hot water supply pipe for supplying the hot water, and the main hot water discharge pipe for discharging the hot water. In terms of conversion, the amount of cold water and hot water can be accurately accumulated.

The cold and hot water supply system that supplies cold water and hot water to apartments, officetels, hotels, residential houses equipped with conventional district heating facilities or central heating facilities, is piped to the main cold water supply pipe and the main hot water supply pipe that are directly supplied to each customer. It is installed in the kitchen, bathroom, etc. installed in the integrated cold / hot water integrated mixer faucet, cold and hot water is mixed by the operation of the faucet handle is discharged through the water discharge port of the cold / hot water integrated mixing faucet.

The conventional system installed as described above is provided with a separate faucet handle or a manual control valve to control the temperature and quantity of the mixed water discharged through the water discharge port of the cold / hot water integrated mixing faucet 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 cold / hot water integrated 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 at a temperature and cold water in a cold water pipe are mixed and discharged, the temperature of the discharged water changes during use, and there is an inconvenience of having to adjust the faucet handle again to adjust the proper temperature, and discharge hot water having a temperature suitable for the user's desire. In order to draw out the stagnant cold water in the pipe to use it, there is a waste of unnecessary waste of water and the temperature of the water in the shower suddenly becomes cold or hot when simultaneous use of the cold / hot water integrated mixture faucet on the other side in the household. In order to feel the thermal discomfort during the bath and to adjust the temperature again By manipulating them up, down, left, and right, there was a lot of waste of water, and the waste water was collected through sewage pipes to the sewage treatment plant and purified and discharged to the river. The thread was generated.

In addition, in the conventional district heating and central heating hot water supply method, the user operates the handles up, down, left, and right of the cold / hot water all-in-one type mixing faucet in order to obtain the mixed water that meets the user's needs within the household. There is a lot of discarded water by removing the cold water and adjusting the mixed water temperature. The hot water used in the household is supplied through the hot water meter and the amount of the hot water is read at the meter reading indicator, and the hot water usage fee is charged. In order to use the mixed water according to the user's needs through the water discharge port of the cold / hot water integrated mixing faucet without removing the cold water from the hot water pipe, the separate hot water cooling for the hot water cooling The lukewarm water returned by connecting the pipe to the end of the hot water pipe and piped to the hot water return granularity pipe is used for district heating and When hot water is heated in the hot water heat exchanger in the central heating machine room and automatically supplied to households, the meter reads the usage amount on the hot water meter and charges the usage fee based on this. There was a flaw that could not reduce the wasted water.

Accordingly, the present invention provides a cold and hot water supply system for supplying cold water and hot water to households such as district heating supply facilities, central heating facilities, apartments, officetels, hotels, residential houses, and the like. The main cold water supply pipe with a cold water supply meter and the main hot water supply pipe with a hot water supply meter to supply hot water, and the main hot water discharge pipe with a control valve and a pressure switch and a time switch are connected to the main cold water supply pipe and the main hot water supply pipe. A mixed water supply control zone for supplying mixed water having a thermo valve connected thereto; Circulation of the existing cold / hot water integrated mixed faucets and mixed water connected to the mixed water pipe through which the mixed water is transferred to the common bathroom control zone and the private bathroom control zone through a plurality of thermal valves installed in the mixed water supply control zone. It is piped to the circulating water pipe which is formed in the common bathroom control zone and the private bathroom control zone is set to the temperature of the temperature control switch for setting the discharge temperature of the mixed water according to the user's desire, then control of the integrated cold / hot water integrated mixer tap When the lever is opened, the pressure switch detects the fluid flow in the main hot water discharge pipe, and the time switch operates to open the control valve to perform the circulation, and at the same time, the mixed water of the desired temperature is discharged to the water discharge port of the cold / hot water integrated mixing faucet. , The pressure switch closes the control lever of the cold / hot water integrated mixer, and there is no fluid flow in the main hot water discharge pipe. The control valve closes and the circulation stops because the control valve is closed.The mixed water of the temperature lowered through the summer valve is supplied to the district heating supply facility or the central heating facility hot water heat exchanger through the hot water discharge meter of the main hot water discharge pipe. It eliminates energy waste and water resources caused by repetitive circulation that is returned to hot water supply and reheated, and the existing cold / hot water integrated type mixer faucet connected to the mixed water pipe where mixed water is transferred to 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 the water discharge port, and operating the control lever of the cold / hot water integrated mixing faucet up, down, left and right as in the conventional method of using hot water, the stagnant cold water in the pipe is removed. Reduce the waste of the water discarded after to discharge hot water with a temperature that meets the user's needs The hot water of hot water supplied from the main hot water supply pipe is discharged directly to the water discharge port due to the immature operation of the control lever, and prevents burns, and the main hot water supply pipe for supplying the cold water and the main hot water supply pipe for supplying the hot water and hot water. It is a main hot water discharge pipe that discharges cold and hot water by converting the amount of cold and hot water input by each meter connected with digital or analog meter reading indicators. The purpose is to provide a hot water supply system.

In the cold and hot water supply system for supplying cold and hot water to households such as apartments, officetels, hotels, residential houses equipped with district heating facilities or central heating facilities to achieve the above object, the cold and hot water supply source (10 Main cold water supply pipe 12 is installed with a cold water supply meter (12a) for supplying cold water from the main hot water supply pipe 13, the control valve (14b) and the pressure switch 14c provided with a hot water supply meter (13a) for supplying hot water And a plurality of summer valves 25 connected to the main cold water supply pipe 12 and the main hot water supply pipe 13 to be connected to the main hot water discharge pipe 14 in which the time switch 14d is installed to supply mixed water. A water supply control zone 20;

Existing pipes connected to the mixed water pipe 24 through which the mixed water is transferred to the common bathroom control zone 30 and the private bathroom control zone 40 through a plurality of thermal valves 25 installed in the mixed water supply control zone 20. It is installed in the common bathroom control zone 30 and the private bathroom control zone 40 by piping with the cold / hot water integrated mixing faucet 32 and 33 and the circulating water pipe 26 where circulation of the mixed water is performed. After setting the temperature of the temperature control switch 37 for setting the discharge temperature of the mixed water according to the user's desire, the pressure switch 14c is opened by opening the control lever 35 of the cold / hot water integrated mixing faucet 32, 33. And the time switch 14d is operated and the control valve 14a is opened to circulate to discharge the mixed water of the desired temperature to the water discharge port 34 of the cold / hot water integrated mixing faucet 32, 33. , Closing the control lever 35 of the cold / hot water integrated mixer faucet (32) (33) and the pressure switch (14c) and The time switch 14d stops operating, and the control valve 14a is closed to stop the circulation.The mixed water of the temperature lowered through the summer valve 25 is heated by the hot water discharge meter 14a of the main hot water discharge pipe 14. It is characterized in that it is configured to be returned to the cold and hot water supply (10) of the hot water heat exchanger of the supply facility or the central heating facility and reheated to eliminate energy waste and waste of water resources.

The present invention configured as described above relates to a cooling and hot water supply system using district heating or central supply heating, and more specifically, to households such as apartments, officetels, hotels, residential houses, etc. In a cold and hot water supply system for supplying cold water and hot water, a main cold water supply pipe with a cold water supply meter for supplying cold water from a cold and hot water supply source, a main hot water supply pipe with a hot water supply meter for supplying hot water, a control valve and a pressure switch And a mixed water supply control zone for supplying mixed water having a plurality of summer valves connected to the main cold water supply pipe) and the main hot water supply pipe, the main hot water discharge pipe having a time switch installed therein; Circulation of the existing cold / hot water integrated mixed faucets and mixed water connected to the mixed water pipe through which the mixed water is transferred to the common bathroom control zone and the private bathroom control zone through a plurality of thermal valves installed in the mixed water supply control zone. Pipe is installed in the common bathroom control zone and the private bathroom control zone to set the temperature of the temperature control switch to set the discharge temperature of the mixed water according to the user's desire. When the control lever is opened, the pressure switch and the time switch are operated, and the control valve is opened to circulate, and the mixed water of the desired temperature is discharged to the water discharge port of the cold / hot water integrated mixing faucet, and the control of the cold / hot water integrated mixing faucet When the lever is closed, the pressure switch and time switch stop operation, the control valve closes, and the circulation stops. The mixed water of the temperature lowered through the hot water is returned to the cooling and hot water supply of the district heating facility or the central heating facility hot water heat exchanger through the hot water discharge meter of the main hot water discharge pipe, and reheated to eliminate energy waste and waste of water resources. The treatment cost can be reduced, and there is a great eco-friendly effect, and it can be used immediately through the water discharge port of the existing cold / hot water integrated mixing faucet connected to the mixing water pipe to which the mixed water is transferred to 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 mixer faucet up, down, left, and right as in the conventional method of using hot water to remove the stagnant cold water in the pipe and then fit the user's needs. It can reduce the waste of water thrown away to discharge hot water with The hot water supplied from the hot water supply pipe is discharged directly to the water discharge port to prevent burns, and the main water supply pipe for supplying the cold water, the main hot water supply pipe for supplying the hot water, and the main hot water discharge pipe for discharging the hot water are digital or ana. Each meter connected to the log reading indicator has the effect of accurately converting the amount of cold and hot water into and out of the cold and hot water.

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

1 is a block diagram showing the overall configuration of the cold, hot water supply system according to the present invention, Figure 2 is a schematic view showing the overall configuration of the cold, hot water supply system according to the present invention, shown in Figures 1 to 2 As described above, the main cold water supply pipe 12 having the cold water supply meter 12a for supplying cold water from the cold and hot water supply source 10 such as a district heating supply facility or a central heating facility and the hot water supply meter 13a for supplying hot water. The main hot water supply pipe (13) and the control valve (14b), the pressure switch (14c) and the main hot water discharge pipe (14d) with the time switch (14d) is installed, the main cold water supply pipe 12 and the main hot water supply pipe (13). The mixed water supply control zone 20 is configured to supply the mixed water to which the plurality of summer valves 25 are connected.

The main cold water supply pipe 12, the main hot water supply pipe 13, and the main hot water discharge pipe 14 installed as described above have respective cold water meter 12a and hot water supply meter for measuring the amount of cold and hot water used in the household. 13a, a hot water discharge meter 14a is provided and separately installed as shown in Figs. 2 and 3 to be connected to the meter reading indicator 15 having the display portion 16.

The cold water meter 12a installed as described above measures the cold water injection capacity supplied and used in the household.

In addition, the hot water supply meter (13a) measures the amount of hot water supplied into the household through the main hot water supply pipe 13, the hot water discharge meter (14a) is circulated coupled to the end of the mixed water pipe (24) Through the water pipe 26 and the hot water discharge meter 14a, the amount of hot water discharged to the cold and hot water supply destinations 10 in the household is measured.

The lukewarm water that has passed through the hot water discharge meter 14a is reheated at the cold and hot water supply unit 10 of the district heating and central supply machine room hot water heat exchanger through the main hot water discharge pipe 14, and is circulated and supplied to each household.

The amount of hot water supplied and used in the household is integrated by the amount of hot water supplied measured when supplied to the main hot water supply pipe 13 and the amount of hot water discharged measured when discharged into the main hot water discharge pipe 14, thereby real hot water used in the household. Understand usage.

Therefore, the amount of cold water and hot water measured as described above are separately displayed on the display unit 16 of the meter reading indicator 15 installed at a position where the meter is easily read, and thus can be immediately visually confirmed.

As described above, the main cold water supply pipe 12 and the main hot water supply pipe 13 in which the respective meters 12a, 13a, and 14a are installed are provided in the common bathroom control zone 30 and the private bathroom control zone 40 in the household as in the prior art. And cold water and hot water through the cold water pipe 22 and the hot water pipe 23 to the kitchen control zone 50.

At this time, the hot water pipe 23 connected to the common bathroom control zone 30 and the private bathroom control zone 40 is connected to the cold water pipe 22 and the hot water pipe 23 into which separate cold water and hot water are introduced. The mixed water supply control zone 20 in which the respective summer valves 25 for supplying the mixed water are provided is configured to provide the cold / hot water integral type mixer faucet installed in the common bathroom control zone 30 and the private bathroom control zone 40. 32) (33) is connected to the pipe.

The cold / hot water integral type mixer faucet 32, 33 is attached to the faucet enclosure 36 invented by the person, the branch pipe for branching the cold, hot water or mixed water inside the faucet enclosure 36 This is installed internally.

The summer valve 25 installed in the mixed water supply control zone 20 may be a general known one in which a 5-phase or multi-phase step motor and a thermostart valve are integrally fixed and fixed to each other at a set temperature of the mixed water. The motor is supplied with DC power and supplies mixed water by adjusting the temperature in a manner of manually operating the summer valve 25 in a cost reduction dimension in another embodiment (not shown).

The thermostat valve 25 installed as described above is used in each place of use, such as the controller 27, the common bathroom control zone 30, and the private bathroom control zone 40, or the bathroom inlet and the cold / hot water integrated mixing faucet 32, 33. Is connected to the temperature control switch 37 formed on one side of the electric wire 28 is controlled by the controller 27 and each temperature control switch 37.

In addition, the pressure switch 14c and the time switch 14d are connected to and interlocked with the control valve 14b and the temperature control switch 37 to be controlled by the controller 27.

The temperature control switch 37 is installed in a suitable position to fit the user's copper wire and the user's desire, it may also be installed a separate switch to add a plurality of functions as needed.

Therefore, after setting the temperature of the temperature control switch 37, when the control lever 35 of the cold / hot water integrated mixing faucet 32, 33 is opened, the pressure switch 14c stops the fluid flow of the main hot water discharge pipe 14. The sensing and time switch 14d is operated to open the control valve 14a to perform circulation, and at the same time, the mixed water of the desired temperature is discharged to the water discharge port 34 of the cold / hot water integrated mixing faucet 32, 33. Discharged.

After the use of the mixed water as described above, closing the control lever 35 of the cold / hot water integral mixing faucet 32, 33, the pressure switch 14c detects that there is no fluid flow in the main hot water discharge pipe (14) And the operation of the time switch 14d is stopped, the control valve 14a is closed, and the circulation is stopped, so that the mixed water of the temperature lowered through the summer valve 25 is passed through the hot water discharge meter 14a of the main hot water discharge pipe 14. Since there is no repetitive circulation that is returned to the cold and hot water supply 10 of the heating supply facility or the central heating facility hot water heat exchanger and reheated, unnecessary waste of energy is eliminated.

In addition, by applying the mixed water circulation cold and hot water supply method by the thermo valve 25, the control lever 35 formed in the bathtub cold / hot water integral type mixer faucet 32 or wash basin cold / hot water integral type mixer faucet 33 When turning to the left side, the user comes out of the hot water of the highest temperature set by the temperature control switch 37, when the control lever 35 is turned to the right side, the cold water of the lowest temperature immediately comes out, without using the thermo valve 25 Hot water supplied from the main hot water supply pipe 13 due to immature operation of the control lever 35 of the cold / hot water integrated mixing faucet 32, 33 generated when the hot water circulation circulation tube is placed in the piping system of the pipe. It is directly discharged to the water polo 34 to prevent burns.

On the other hand, in the interior of the faucet housing 36 in which the bath cold / hot water integral type mixer faucet 32 or the basin cold / hot water integral type mixer faucet 33 of the common bathroom control zone 30 and the private bathroom control zone 40 is installed. The mixed water conveyed by the branch pass is transferred to the main hot water discharge pipe 14 through the circulation water pipe 36 and discharged back to the cold / hot water supply destination 10.

As described above, the hot water supplied through the main hot water supply pipe 13 is branched through each of the faucet enclosures 36 and the district heating and central heating machine room hot water heat exchanger through the main hot water discharge pipe 14 through the circulation water pipe 26. Alternatively, the water heated and heated by the hot water heating tank is always circulated for 24 hours through the hot water pipe and the return pipe in the household pipe shaft, and the user within the household sets the temperature of the summer valve 25, and the cold / hot water integrated mixer tap. When the control lever 35 of (32) (33) is opened, the pressure switch (14c) and the time switch (14d) are operated to open the control valve (14b). Closing the control lever 35 of the hot water integrated mixer 32 and 33 stops the operation of the pressure switch 14c and the time switch 14d, and the control valve 14b is closed (OFF). do.

In addition, each of the circulation water pipe 26 in which the hot water is circulated is provided with a check valve 26a that prevents each reverse flow, and is used for bathing or showering according to the change of hot water heating when cold and hot water is used in each of the other control zones. It can eliminate the unpleasant feeling of temperature and the change of temperature where the temperature of hot water changes frequently.

Therefore, the amount of hot water discharged is transferred and discharged by the remaining amount used in the common bathroom control zone 30 and the private bathroom control zone 40, and the main hot water is supplied from the amount of hot water supplied to the main hot water supply pipe 13. By subtracting the amount of the mixed water discharged to the discharge pipe 14, it is possible to easily calculate the actual hot water consumption in the household, which is displayed in the meter reading support (15).

On the other hand, the mixed water supply control zone 20 in which the thermostatic valve 25 connected to the main cold water supply pipe 12 and the main hot water supply pipe 13 is installed, the main cold water supply pipe 12 supplying cold and hot water to the households. As an example of the inlet side of the generation in which the main hot water supply pipe 13 is installed, in the case of an apartment, it is installed on a shaft on which various pipes are installed on both sides of the elevator.

In addition, it is also possible to form a checkout on the walls of balconies and veranda laundry rooms in households.

Meanwhile, in the kitchen control zone 50, the kitchen cold / hot water installed in the faucet housing 36 through the accessory branch distributor 58 installed in the faucet housing 36 in the main cold water supply pipe 12 and the main hot water supply pipe 13. Cold and hot water is directly supplied to the integral mixing faucet 52 and discharged to the water discharge port 54 by adjusting the control lever 55. At the same time, the cold and hot water is discharged from the accessory branch distributor 58 to the laundry room valve box 56. The branch pass is supplied to the washing machine side 57a and the hand washing side 57b.

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 55 formed on the kitchen cold / hot water integrated mixing faucet 52. Mixed water is immediately adjusted and discharged.

In addition, in the accessory branch distributor 58, the cold water pipe 22 is branch-passed and supplied to the balcony side 59 to use cold water.

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.

Figure 3 is a schematic view showing a meter reading indicator according to the present invention.

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

10 Cold and hot water supply source 12 Main cold water supply pipe

12a Cold Water Meter 13 Main Hot Water Supply Pipe

13a Hot water supply meter 14 Main hot water discharge pipe

14a hot water discharge meter 14b control valve

14c pressure switch 14d time switch

15 Meter reading indicator 16 Display

20 Mixed water supply control zone 22 Cold water pipe

23 Hot water pipe 24 Mixed water pipe

25 Summer Valve 26 Circulating Water Pipe

26a Check Valve 27 Controller

28 electric cable

30 Shared Bathroom Control Zone 32 Bath & Hot Water Integrated Mixer

33 Wash basin cold / hot water integrated mixer tap 34

35 Adjustable lever 36 Faucet enclosure

37 Thermostatic switch 38 Toilet bowl

40 Private Bathroom Control Zone

50 Kitchen control zone 52 Kitchen cold / hot water integrated mixer tap

54 Water jet 55 Control lever

56 Laundry box 57a Washing machine side

57b Hand wash side 58 Splitter distributor

59 balcony side

Claims (4)

In the cold and hot water supply system that supplies cold water and hot water to households such as district heating supply facilities, central heating facilities, apartments, officetels, hotels and residential houses, Main hot water supply pipe 13 and control valve 14b provided with a main cold water supply pipe 12 having a cold water supply meter 12a for supplying cold water from the cold and hot water supply destination 10, and a hot water supply meter 13a for supplying hot water. ) And the main hot water discharge pipe 14 in which the pressure switch 14c and the time switch 14d are installed, and a plurality of summer valves 25 are connected to the main cold water supply pipe 12 and the main hot water supply pipe 13. A mixed water supply control zone 20 for supplying mixed water; Existing pipes connected to the mixed water pipe 24 through which the mixed water is transferred to the common bathroom control zone 30 and the private bathroom control zone 40 through a plurality of thermal valves 25 installed in the mixed water supply control zone 20. It is installed in the common bathroom control zone 30 and the private bathroom control zone 40 by piping with the cold / hot water integrated mixing faucet 32 and 33 and the circulating water pipe 26 where circulation of the mixed water is performed. After setting the temperature of the temperature control switch 37 for setting the discharge temperature of the mixed water according to the user's desire, the pressure switch 14c is opened by opening the control lever 35 of the cold / hot water integrated mixing faucet 32, 33. And the time switch 14d is operated and the control valve 14a is opened to circulate to discharge the mixed water of the desired temperature to the water discharge port 34 of the cold / hot water integrated mixing faucet 32, 33. , Closing the control lever 35 of the cold / hot water integrated mixer faucet (32) (33) and the pressure switch (14c) and The impingement 14d stops operating, the control valve 14a is closed, and the circulation stops, so that the mixed water of the temperature lowered through the summer valve 25 is heated by the hot water discharge meter 14a of the main hot water discharge pipe 14. Cooling and hot water supply system using district heating or central supply heating, which is returned to the cold and hot water supply (10) of the hot water heat exchanger in the supply facility or the central heating facility to eliminate the waste of energy and waste of water resources. The method of claim 1, The temperature control switch 37 is installed at one side of the bathroom inlet or the water jetting port 34 of the common bathroom control zone 30 and the private bathroom control zone 40 to control the temperature of the summer valve 25 and the mixed water. The mixing water of the temperature set by the temperature control switch 37 sets the control lever 35 of the cold / hot water integrated mixing faucet 32 and 33 installed in the common bathroom control zone 30 and the private bathroom control zone 40. Hot water having a temperature suitable for the user's desire by operating in the lower, left, and right direction is discharged immediately, and the cold / heat generated when the hot water circulating tube is placed in the existing piping method without using the thermal valve 25 It is characterized in that the hot water of the hot water supplied from the main hot water supply pipe 13 is discharged directly to the water discharge port 34 due to the immature operation of the control lever 35 of the hot water integral mixing faucet 32 and 33. Cold and hot water supply system using district heating or central supply heating. The method of claim 1, The temperature control switch 37 is installed at one side of the bathroom inlet or the water jetting port 34 of the common bathroom control zone 30 and the private bathroom control zone 40 so that the mixed water of the temperature set by the temperature control switch 37 is adjusted. The control lever 35 of the integrated cold / hot water integrated mixing faucet 32, 33 installed in the common bathroom control zone 30 and the private bathroom control zone 40 operates up, down, left, and right to meet the needs of the user. District heating or central supply, characterized in that the hot water with the temperature is discharged on the fly to reduce the waste of the water discarded to discharge the hot water with the temperature that meets the user's desire after the stagnant cold water in the pipe Cold and hot water supply system using heating heat. The water discharge port of the cold / hot water integrated mixing faucet 32, 33 to adjust the temperature of the mixing water of the desired temperature of the user in the common bathroom control zone 30 and the private bathroom control zone 40 through the summer valve 25 In order to precisely impose the cold and hot water consumption in the household when returning the mixed water to the cold and hot water supply source of the district heating or central supply heating machine room heat exchanger at the time of circulating to eliminate the waste of water discarded through (34). A cold water supply meter 12a is installed on the cold water supply pipe 12 side, a hot water supply meter 13a is installed on the main hot water supply pipe 13 side, and a hot water discharge meter 14a is provided on the main hot water discharge pipe 14 side. Digital or analog meter reading indicator (15) having each display unit (16) for installing and reading the total amount of cold water consumption, hot water supply amount, hot water discharge amount, and actual hot water consumption amount in a location where it is easy to read the entrance of the household. Wired and installed in the household A hot water using a local or central nanbangyeol nanbangyeol supply cold and hot water supply system with characterized in that the actual water amount to be accumulated in terms of the amount of the teller.

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