CN110906530B - A wall-mounted furnace - Google Patents
A wall-mounted furnace Download PDFInfo
- Publication number
- CN110906530B CN110906530B CN201911247966.4A CN201911247966A CN110906530B CN 110906530 B CN110906530 B CN 110906530B CN 201911247966 A CN201911247966 A CN 201911247966A CN 110906530 B CN110906530 B CN 110906530B
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- Prior art keywords
- pipe
- heating
- heating unit
- water
- hot water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 174
- 238000010438 heat treatment Methods 0.000 claims abstract description 120
- 239000008236 heating water Substances 0.000 claims abstract description 34
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/124—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention provides a wall-mounted furnace, wherein a combustor comprises a first heating unit and a second heating unit, when heating and preparation of domestic hot water are required to be carried out simultaneously, high-temperature water flowing out through the first heating unit flows into a heat exchanger, cold water flowing into a domestic hot water inlet of the heat exchanger is heated, and hot water flows out through a domestic hot water outlet. The low-temperature water generated after heat exchange in the heat exchanger returns to the second heating unit, is further heated in the second heating unit, and enters the heater equipment through the heating water outlet to perform indoor heating operation. By combining the first heating unit and the second heating unit, two functions of heating and domestic hot water can be performed simultaneously.
Description
Technical Field
The invention relates to the technical field of wall-mounted furnaces, in particular to a wall-mounted furnace capable of simultaneously heating and living hot water.
Background
The wall-mounted stove is an indispensable household appliance in daily life, has heating and domestic hot water functions, can heat the indoor space in a heating mode, and can heat tap water in a domestic hot water mode, so that people can use the wall-mounted stove in a kitchen or a toilet conveniently. Most of the existing wall-mounted furnaces adopt a living hot water priority principle, namely when a hot water function is used, a heating function is required to be stopped, and heating cannot be performed. When people need to heat and supply hot water at the same time, especially if domestic hot water is used for a long time in cold winter, the phenomenon that the room temperature is reduced rapidly occurs, so that the comfort of users is reduced.
Disclosure of Invention
The wall-mounted boiler comprises a burner, a heating unit, a heat exchanger and a heat exchanger, wherein the burner is provided with a first heating unit and a second heating unit which are arranged independently, the first heating unit is provided with a first water inlet and a first water outlet, the second heating unit is provided with a second water inlet and a second water outlet, the heating unit is provided with a heating return water inlet and a heating water outlet, the heating return water inlet is connected with the first heating unit, the heating water outlet is connected with the second heating unit, the heat exchanger is connected with a domestic hot water inlet and a domestic hot water outlet, hot water flowing out through the first heating unit enters the heat exchanger, and the hot water flows back to the second heating unit after heat exchange of the heat exchanger is completed.
The first water outlet of the first heating unit is provided with a first pipe, a first three-way valve is arranged on the first pipe, one end of the first three-way valve is connected with the heat exchanger, and the other end of the first three-way valve is connected with the second water inlet.
A second pipe is connected between the second water outlet and the heating water outlet, a second three-way valve is arranged on the second pipe, a third pipe is arranged between the second three-way valve and the heat exchanger, and the third pipe is connected with the first three-way valve.
A fifth pipe is arranged between the heat exchanger and the second water inlet, a third three-way valve is arranged on the fifth pipe, and a sixth pipe is connected between the heating water return port and the third three-way valve.
A fourth pipe is arranged between the first water inlet and the heating water return port, and one end of the sixth pipe is connected with the fourth pipe.
A temperature limiter is arranged on the second pipe.
The fourth pipe is provided with a water pump, and the water pump is arranged at the rear end of the connecting part of the fourth pipe and the sixth pipe along the flowing direction of water flow.
The domestic hot water outlet is provided with a domestic hot water outlet pipe, and the domestic hot water outlet pipe is provided with a temperature sensing bag.
The technical scheme of the invention has the following advantages:
1. The wall-mounted boiler comprises a combustor, a heating unit, a heat exchanger and a heat exchanger, wherein the combustor is provided with a first heating unit and a second heating unit which are arranged independently, the first heating unit is provided with a first water inlet and a first water outlet, the second heating unit is provided with a second water inlet and a second water outlet, the heating unit is provided with a heating return water inlet and a heating water outlet, the heating return water inlet is connected with the first heating unit, the heating water outlet is connected with the second heating unit, the heat exchanger is connected with a domestic hot water inlet and a domestic hot water outlet, hot water flowing out through the first heating unit enters the heat exchanger, and after heat exchange of the heat exchanger is completed, the hot water flows back to the second heating unit.
In the invention, the burner comprises a first heating unit and a second heating unit, when the heating and the preparation of the domestic hot water are required to be carried out simultaneously, the high-temperature water flowing out from the first heating unit flows into the heat exchanger to heat the cold water flowing into the domestic hot water inlet of the heat exchanger, and then the hot water flows out from the domestic hot water outlet. The low-temperature water generated after heat exchange in the heat exchanger returns to the second heating unit, is further heated in the second heating unit, and enters the heater equipment through the heating water outlet to perform indoor heating operation.
By combining the first heating unit and the second heating unit, two functions of heating and domestic hot water can be performed simultaneously.
2. According to the wall-mounted furnace provided by the invention, the first water outlet of the first heating unit is provided with the first pipe, the first pipe is provided with the first three-way valve, one end of the first three-way valve is connected with the heat exchanger, and the other end of the first three-way valve is connected with the second water inlet.
Through setting up first pipe and first three-way valve for the hot water that flows out through first delivery port can directly flow into the inside of second heating unit through the second water inlet, carries out the reheat. Through the combination of first pipe and first three-way valve for the hanging stove can realize independent heating function.
3. The wall-mounted boiler provided by the invention is characterized in that a second pipe is connected between the second water outlet and the heating water outlet, a second three-way valve is arranged on the second pipe, a third pipe is arranged between the second three-way valve and the heat exchanger, and the third pipe is connected with the first three-way valve.
The third pipe is connected with the first three-way valve, so that water flowing out of the second pipe can flow into the heat exchanger through the third pipe, water in the heater is heated, an independent domestic hot water mode can be achieved by the wall-mounted stove at the moment, meanwhile, hot water flowing out of the second three-way valve can also flow into a heating water outlet, and an independent heating mode can be achieved by the wall-mounted stove at the moment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a main heater according to the present invention;
FIG. 2 is a schematic diagram of the wall-mounted boiler provided by the invention in a mode of heating and living hot water simultaneously;
fig. 3 is a schematic diagram of the wall-mounted boiler provided by the invention in an independent heating mode;
fig. 4 is a schematic diagram of the wall hanging stove provided by the invention in an independent living hot water mode.
Reference numerals illustrate:
1-a first heating unit, 101-a first water inlet, 102-a first water outlet, 2-a second heating unit, 201-a second water inlet, 202-a second water outlet, 3-a heating water return port, 4-a heating water outlet, 5-a heat exchanger, 501-a domestic hot water inlet, 502-a domestic hot water outlet, 6-a first pipe, 7-a first three-way valve, 8-a second pipe, 9-a second three-way valve, 10-a third pipe, 11-a fourth pipe, 12-a fifth pipe, 13-a third three-way valve, 14-a sixth pipe, 15-a temperature limiter, 16-a water pump, 17-a domestic hot water outlet pipe, 18-a temperature sensing bag and 19-a gas inlet.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Examples
The embodiment provides a wall-mounted furnace, which comprises a burner, as shown in fig. 1, wherein a first heating unit 1 and a second heating unit 2 which are arranged independently of each other are arranged on the burner, the first heating unit 1 is provided with a first water inlet 101 and a first water outlet 102, and the second heating unit 2 is provided with a second water inlet 201 and a second water outlet 202. Specifically, in the present embodiment, the water in the first heating unit 1 and the second heating unit 2 is heated by the gas, and the gas flows into the inside of the burner through the gas inlet 19.
The heating unit is provided with a heating water return port 3 and a heating water outlet 4, and a heating pipeline and the like are connected between the heating water return port and the heating water outlet to heat the room.
In this embodiment, as shown in fig. 1 and 2, the burner is a burner commonly used in the prior art, and the gas enters the combustion chamber through the gas inlet 19, and the ignition needle and the fire detection needle are disposed in the combustion chamber, so that the combustion chamber is not excessively limited in this embodiment.
The heating water return port 3 is connected with the first heating unit 1, the heating water outlet 4 is connected with the second heating unit 2, the heat exchanger 5 is connected with a domestic hot water inlet 501 and a domestic hot water outlet 502, tap water enters the heat exchanger 5 through the domestic hot water inlet 501, flows out through the domestic hot water outlet 502 after being heated, and then enters places requiring hot water such as a kitchen, a bathroom and the like. In this embodiment, the hot water flowing out through the first heating unit 1 enters the heat exchanger 5, and flows back to the second heating unit 2 through the fifth pipe 12 after the heat exchange of the heat exchanger 5 is completed, as shown in fig. 2.
In this embodiment, since the burner includes the first heating unit 1 and the second heating unit 2, the preparation of heating water and domestic hot water can be simultaneously achieved by one set of burner.
In this embodiment, the first water outlet 102 of the first heating unit 1 is provided with a first pipe 6, and the first pipe 6 is provided with a first three-way valve 7, and the hot water flowing out through the first pipe 6 may flow into either the heat exchanger 5 or the second water inlet 201 through the first three-way valve 7.
In this embodiment, a second pipe 8 is connected between the second water outlet 202 and the heating water outlet 4, a second three-way valve 9 is disposed on the second pipe 8, a third pipe 10 is disposed between the second three-way valve 9 and the heat exchanger 5, and the third pipe 10 is connected with the first three-way valve 7. By providing the second three-way valve 9, the hot water flowing out through the second pipe 8 can flow into the heating water outlet 4, can directly flow into the third pipe 10, and further flows into the heat exchanger 5.
In this embodiment, as shown in any one of fig. 2 to 4, a fifth pipe 12 is disposed between the heat exchanger 5 and the second water inlet 201, hot water entering the heat exchanger 5 flows into the fifth pipe 12 after heat exchange, a third three-way valve 13 is disposed on the fifth pipe 12, and a sixth pipe 14 is connected between the heating return water port 3 and the third three-way valve 13. A fourth pipe 11 is disposed between the first water inlet 101 and the heating return water port 3, and one end of the sixth pipe 14 is connected to the fourth pipe 11.
Meanwhile, a temperature limiter 15 is provided on the second pipe 8. The temperature of the hot water heated by the second heating unit is prevented from being excessively high by providing the temperature limiter. Meanwhile, a water pump 16 is provided on the fourth pipe 11, and the water pump 16 is provided at the rear end of the connection portion of the fourth pipe 11 and the sixth pipe 14 in the flow direction of the water flow. By providing the water pump 16, water flowing in through the heating return water port can stably flow into the inside of the first heating unit.
In this embodiment, a domestic hot water outlet pipe 17 is provided on the domestic hot water outlet 502, and a temperature sensing bulb 18 is provided on the domestic hot water outlet pipe 17. By providing the domestic hot water outlet pipe 17, the hot water flowing out through the heat exchanger 5 is discharged to the outside.
Through the hanging stove that this embodiment provided, can realize three kinds of heating modes:
first, the individual heating mode, as shown in FIG. 3, the arrow in FIG. 3 shows the flow direction of the water flow:
In the separate heating mode, only heating equipment such as floor heating and the like is heated. First, the burner is controlled to be started, and the first heating unit and the second heating unit are subjected to a temperature raising operation. The low-temperature water in the heating apparatus is first introduced into the fourth pipe through the heating return port, the fourth pipe 11 is connected to the first water inlet 101 of the first heating unit, and the water is first heated inside the first heating unit. When the primary heating is completed, the water flows out through the first water outlet 102 and enters the first three-way valve 7, then flows into the second water inlet 201 of the second heating unit 2 immediately, and is subjected to secondary heating, and when the secondary heating is completed, the water flows out through the second water outlet 202 and enters the second pipe 8, and at this time, the second three-way valve 9 is controlled to be directly connected with the heating water outlet 4, so that the water subjected to the secondary heating flows into the heating equipment.
Second, the single domestic hot water mode, as shown in FIG. 4, the arrows in FIG. 4 indicate the direction of flow of the water stream:
In the single domestic hot water mode, water does not enter the heating apparatus. The water pump 16 is started, circulating water flows out of the heat exchanger 5 and flows into the third three-way valve 13, then flows into the fourth pipe 11 in the direction shown by an arrow in the figure, water in the fourth pipe 11 flows into the first heating unit for preliminary heating, then flows out of the first water outlet 102 and then flows into the first three-way valve 7, water flowing out of the first three-way valve 7 flows into the second water inlet 201 of the second heating unit 2 again, and then flows out of the second water outlet 202 and flows into the second pipe 8 after the temperature rise again, water flows into the second three-way valve 9, then flows into the third pipe 10 under the split flow of the second three-way valve 9, and flows back into the heat exchanger 5 through the third pipe 10.
On the heat exchanger 5, a domestic hot water inlet 501 and a domestic hot water outlet 502 are connected at the same time, and the water heated by the first heating unit and the second heating unit at the same time exchanges heat with the domestic hot water in the heat exchanger 5, so that the water temperature of the domestic hot water is ensured.
And thirdly, a heating and living hot water mode. As shown in fig. 2, the arrows in fig. 4 indicate the flow direction of the water flow:
The water pump 16 is started, and the heating water inside the heating apparatus flows into the fourth pipe 11 through the heating return port 3 and then enters the first heating unit through the first water inlet 101 to be heated. The water heated by the first heating unit 1 flows in through the first water outlet 102 and then flows into the first three-way valve 7, and by controlling the first three-way valve 7, the water flowing out through the first three-way valve 7 flows into the third pipe 10, and the water flowing out through the third pipe 10 flows into the heat exchanger 5 to exchange heat. A domestic hot water inlet 501 and a domestic hot water outlet 502 are connected to the heat exchanger 5, and the water flowing into the heat exchanger 5 through the domestic hot water inlet 501 is heated by the hot water flowing out of the first heating unit, so that the preparation of the domestic hot water is realized.
Meanwhile, the water flowing out of the heat exchanger 5 flows into the third three-way valve 13, then flows into the second heating unit 2 through the second water inlet 201 to be reheated, the reheated water flows out of the second water outlet 202 and flows into the second pipe 8, and after the water flows into the second three-way valve 9, the third three-way valve 13 is controlled to enable the water to directly flow into the heating water outlet, so that the heating water is prepared.
In this embodiment, the preparation of domestic hot water and heating water can be simultaneously realized through the control of the first three-way valve, the second three-way valve, the third three-way valve, the first heating unit and the second heating unit.
Specifically, the first three-way valve, the second three-way valve and the third three-way valve are all electromagnetic valves, and control of different flow directions of the three-way valves can be achieved through simple control logic, and excessive limitation is conducted on the three-way valves in the embodiment.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (5)
1. A wall-hanging stove, characterized by comprising:
A burner, on which a first heating unit (1) and a second heating unit (2) are arranged independently of each other, the first heating unit (1) being provided with a first water inlet (101) and a first water outlet (102), the second heating unit (2) being provided with a second water inlet (201) and a second water outlet (202);
The heating unit is provided with a heating water return port (3) and a heating water outlet (4), the heating water return port (3) is connected with the first heating unit (1), and the heating water outlet (4) is connected with the second heating unit (2);
the heat exchanger (5) is connected with a domestic hot water inlet (501) and a domestic hot water outlet (502), hot water flowing out through the first heating unit (1) enters the heat exchanger (5), and flows back to the second heating unit (2) after the heat exchanger (5) finishes heat exchange;
A first water outlet (102) of the first heating unit (1) is provided with a first pipe (6), a first three-way valve (7) is arranged on the first pipe (6), one end of the first three-way valve (7) is connected with the heat exchanger (5), and the other end of the first three-way valve is connected with the second water inlet (201);
A second pipe (8) is connected between the second water outlet (202) and the heating water outlet (4), a second three-way valve (9) is arranged on the second pipe (8), a third pipe (10) is arranged between the second three-way valve (9) and the heat exchanger (5), and the third pipe (10) is connected with the first three-way valve (7);
A fifth pipe (12) is arranged between the heat exchanger (5) and the second water inlet (201), a third three-way valve (13) is arranged on the fifth pipe (12), and a sixth pipe (14) is connected between the heating water return port (3) and the third three-way valve (13).
2. The wall-mounted boiler according to claim 1, wherein a fourth pipe (11) is arranged between the first water inlet (101) and the heating water return port (3), and one end of the sixth pipe (14) is connected with the fourth pipe (11).
3. A wall-hanging stove as claimed in claim 2, characterised in that the second tube (8) is provided with a temperature limiter (15).
4. A wall-hanging stove according to claim 3, characterized in that a water pump (16) is provided on the fourth pipe (11), and the water pump (16) is provided at the rear end of the connection part of the fourth pipe (11) and the sixth pipe (14) along the flow direction of the water flow.
5. The wall-mounted boiler according to claim 4, wherein a domestic hot water outlet pipe (17) is arranged on the domestic hot water outlet (502), and a temperature sensing bag (18) is arranged on the domestic hot water outlet pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247966.4A CN110906530B (en) | 2019-12-09 | 2019-12-09 | A wall-mounted furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247966.4A CN110906530B (en) | 2019-12-09 | 2019-12-09 | A wall-mounted furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110906530A CN110906530A (en) | 2020-03-24 |
| CN110906530B true CN110906530B (en) | 2025-02-28 |
Family
ID=69823412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911247966.4A Active CN110906530B (en) | 2019-12-09 | 2019-12-09 | A wall-mounted furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN110906530B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066059A (en) * | 2016-06-22 | 2016-11-02 | 珠海格力电器股份有限公司 | Wall-mounted stove |
| CN106595026A (en) * | 2016-10-26 | 2017-04-26 | 珠海格力电器股份有限公司 | Gas wall-mounted boiler, hot water supply system and control method |
| CN108592384A (en) * | 2018-05-30 | 2018-09-28 | 珠海格力电器股份有限公司 | Zero-cold-water outlet device and method for wall-mounted boiler |
| CN211233348U (en) * | 2019-12-09 | 2020-08-11 | 珠海格力电器股份有限公司 | a wall-hung furnace |
-
2019
- 2019-12-09 CN CN201911247966.4A patent/CN110906530B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066059A (en) * | 2016-06-22 | 2016-11-02 | 珠海格力电器股份有限公司 | Wall-mounted stove |
| CN106595026A (en) * | 2016-10-26 | 2017-04-26 | 珠海格力电器股份有限公司 | Gas wall-mounted boiler, hot water supply system and control method |
| CN108592384A (en) * | 2018-05-30 | 2018-09-28 | 珠海格力电器股份有限公司 | Zero-cold-water outlet device and method for wall-mounted boiler |
| CN211233348U (en) * | 2019-12-09 | 2020-08-11 | 珠海格力电器股份有限公司 | a wall-hung furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110906530A (en) | 2020-03-24 |
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