GB2533981A - Hybrid heat pump boiler system - Google Patents

Hybrid heat pump boiler system Download PDF

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Publication number
GB2533981A
GB2533981A GB1505235.0A GB201505235A GB2533981A GB 2533981 A GB2533981 A GB 2533981A GB 201505235 A GB201505235 A GB 201505235A GB 2533981 A GB2533981 A GB 2533981A
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GB
United Kingdom
Prior art keywords
heat
water
heat exchanger
heat storage
module
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Granted
Application number
GB1505235.0A
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GB2533981B (en
GB201505235D0 (en
Inventor
Hee Kang Seung
Hyun Kim Jae
Hyeon Lee Seung
Chang Jang Kyung
Chul Lim Sung
Young Song Nak
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CLK CORP
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CLK CORP
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
    • F24D11/0207—Central heating systems using heat accumulated in storage masses using heat pumps district heating system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
    • F24D11/0214—Central heating systems using heat accumulated in storage masses using heat pumps water heating system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D12/00—Other central heating systems
    • F24D12/02—Other central heating systems having more than one heat source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00—Other domestic- or space-heating systems
    • F24D15/04—Other domestic- or space-heating systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/02—Domestic hot-water supply systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1066—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water
    • F24D19/1072—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water the system uses a heat pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
    • F24D3/082—Hot water storage tanks specially adapted therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/18—Hot-water central heating systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/04—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B6/00—Compression machines, plants or systems, with several condenser circuits
    • F25B6/02—Compression machines, plants or systems, with several condenser circuits arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/04—Gas or oil fired boiler
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump
    • F24D2200/123—Compression type heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/047—Water-cooled condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1931—Discharge pressures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1933—Suction pressures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction side of the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21161—Temperatures of a condenser of the fluid heated by the condenser
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12—Hot water central heating systems using heat pumps

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Water Supply & Treatment (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The hybrid heat pump boiler system 1 comprises an indoor module 100, outdoor module 200, hydro module 300, water tank module 400 and a boiler module 500. The indoor module includes an indoor expansion valve 120 and an indoor heat exchanger 110 and is configured to selectively cool/heat air in an indoor space. The outdoor module includes a compressor 210 and an outdoor heat exchanger 230 whereby refrigerant supplied from the outdoor module is passed to a heat storage water heat exchanger 310 of the hydro module to transfer thermal energy to heat storage water in a hot water tank 410 of the water tank module. The boiler module selectively heats heating water received from a floor heating unit 600 to provide floor heating and mains water supplied by a cold water supply pipe 413 to provide domestic hot water. During floor heating, heating water passes from the floor unit through the hot water tank to the boiler unit and during domestic hot water heating, mains water passes to the boiler unit through the hot water tank. By passing through the hot water tank prior to being received by the boiler, heating water and mains water are preheated.

Description

HYBRID HEAT PUMP BOILER SYSTEM
Technical Field
Exemplary embodiments relate to a hybrid heat pump boiler system, and more particularly, to a hybrid heat pump boiler system with maximized installability and multipurpose utility by modularization of main functions.
Background Art
Generally, a heat pump system is a heating/cooling device that transfers a low temperature heat source to a high temperature location or a high temperature heat source to a low temperature location using evaporation or condensation heat of a refrigerant.
Such a heat pump system includes an outdoor unit having a compressor and an outdoor heat exchanger, and an indoor unit having an expansion valve and an indoor heat exchanger.
A traditional hybrid system has an integrated structure of a boiler, a heat storage tank, and a hydro unit, and hence has a disadvantage of a complex structure and inconvenience involved in moving and installing it.
Also, a traditional boiler system has a drawback -floor heating stops during use of hot water.
References of the Related Art (Patent Document 1) Korean Patent Registration No. 10-877055 (Patent Document 2) Korean Patent Registration No. 10-877056
Summary of the invention
Exemplary embodiments are designed to solve the above problems, and therefore, exemplary embodiments are directed to provide a hybrid heat pump boiler system with maximized moveability and installability by modularization of an outdoor unit, an indoor unit, a hydro unit, a heat storage tank, and a boiler, by functions.
Exemplary embodiments are further directed to simultaneously realize hot water use and floor heating by taking advantage of heat exchange of stored heat.
Exemplary embodiments are further directed to, in the case of hot water use and floor heating, cause heating water and water flowing in through a water supply pipe to increase its temperature through heat exchange with water in a heat storage tank and pass it through a boiler module, thereby reducing an amount of gas consumption and consequently saving energy.
Exemplary embodiments are further directed to enable space cooling and space heating operations even though a failure occurs in a hydro unit or a heat storage tank, and enable a heat storage operation even though a failure occurs in an indoor unit.
To achieve the above objects, a hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure includes an outdoor module (200) comprising a compressor (210) and an outdoor heat exchanger (230), an indoor module (100) comprising an indoor heat exchanger (110) and an indoor expansion valve (120), and configured to perform space cooling and space heating operations to cool and heat air in an indoor space, a hydro module (300) comprising a heat storage water heat exchanger (310) to enable heat exchange between a refrigerant supplied from the outdoor module (200) and water in a heat storage tank (410), a water tank module (400) comprising the heat storage tank (410) to store a source of heat using circulation of water through the heat storage water heat exchanger (310) by circulation pipes (311, 312), and a boiler module (500) to heat selectively heating water and water supplied through a water supply pipe (413), wherein the water tank module (400) comprises circulation pipes (411, 412) to, in the case of floor heating, cause the heating water having passed through a floor heating unit (600) to flow back into the floor heating unit (600) through the boiler module (500) after obtaining a source of heat while passing through the heat storage tank (410), and a circulation pipe (414) to, in the case of hot water use, cause the water supplied through the water supply pipe (413) to be discharged through the boiler module (500) after obtaining a source of heat while passing through the heat storage tank (410).
According to the hybrid heat pump boiler system of the present disclosure, moveability and installability may be maximized by modularizing an outdoor unit, an indoor unit, a hydro unit, a heat storage tank, and a boiler, by functions.
Also, hot water use and floor heating may be simultaneously realized by taking advantage of heat exchange of stored heat.
Furthermore, for hot water use and floor heating, heating water and water flowing in through a water supply pipe has an increase in temperature through heat exchange with water in a heat storage tank and is then fed into a boiler module, thereby achieving a reduction in an amount of gas consumption and energy saving.
Moreover, even though a failure occurs in a hydro unit or a heat storage tank, space cooling and space heating operations are enabled, and even though a failure occurs in an indoor unit, a heat storage operation is enabled.
Description of Drawinas
Fig. 1 is a schematic diagram illustrating a construction of a hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure.
Fig. 2 is a diagram illustrating the flow of water and refrigerant in a space cooling mode and a floor heating or hot water mode of a hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure.
Fig. 3 is a diagram illustrating the flow of water and refrigerant in a space cooling and heat storage mode and a floor heating or hot water mode of a hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure.
Fig. 4 is a diagram illustrating the flow of water and refrigerant in a space cooling 20 and heat storage mode and a floor heating or hot water mode of a hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure.
Fig. 5 is a diagram illustrating the flow of water and refrigerant in a space heating mode and a floor heating or hot water mode of a hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure.
Fig. 6 is a diagram illustrating the flow of water and refrigerant in a space heating 5 and heat storage mode and a floor heating or hot water mode of a hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure.
Fig. 7 is a diagram illustrating the flow of water and refrigerant in a heat storage mode and a floor heating or hot water mode of a hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure.
Detailed Description
Hereinafter, a hybrid heat pump boiler system according to exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic diagram illustrating a construction of a hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure.
As shown in Fig. 1, the hybrid heat pump boiler system 1 according to an exemplary embodiment of the present disclosure includes an indoor module 100, an outdoor module 200, a hydro module 300, a water tank module 400, and a boiler module 500, by modularization of an outdoor unit, an indoor unit, a hydro unit, a heat storage tank, and a boiler, by functions.
The indoor module 100 performs space cooling and space heating operations to cool and heat air in an indoor space, and includes an indoor heat exchanger 110 to enable heat exchange with indoor air, and an indoor expansion valve 120 to reduce the temperature and pressure of a refrigerant being provided to the indoor heat exchanger 110.
The indoor module 100 is connected with the outdoor module 200 by connection pipes 111 and 112.
The outdoor module 200 includes a compressor 210 to compress the refrigerant circulating in the indoor heat exchanger 110 and an outdoor heat exchanger 230 to high temperature and high pressure, a 4-way valve 220 to change a flow path of the refrigerant discharged from the compressor 210, the outdoor heat exchanger 230 to enable heat exchange between the refrigerant passing through the 4-way valve 220 and outdoor air, a receiver tank 240 to store excess refrigerant among the refrigerant circulating in the indoor heat exchanger 110 and the outdoor heat exchanger 230, and an accumulator 290 to separate a liquid refrigerant from the refrigerant being fed back to the compressor 210 The compressor 210 and the outdoor heat exchanger 230 are connected by a connection pipe 221 to provide the refrigerant discharged from the compressor 210 to the outdoor heat exchanger 230 through the 4-way valve 220, and on the connection pipe 221, an electric ball valve is provided as a first shutoff valve 222.
The outdoor heat exchanger 230 and the receiver tank 240 are connected by a connection pipe 231 to cause the refrigerant having passed through the outdoor heat exchanger 230 to pass through the receiver tank 240, and on the connection pipe 231, a check valve 232 and an expansion valve 233 branching therefrom are provided.
A first bypass pipe 250 is provided, which is branched off from the connection pipe 221 connected with the 4-way valve 220, and is connected to a heat storage water heat exchanger 310 to cause the refrigerant to pass through the heat storage water heat exchanger 310, and on the first bypass pipe 250, an electric ball valve is provided as a second shutoff valve 251 A second bypass pipe 260 is provided between the connection pipe 221 connected with the 4-way valve 220 and a connection pipe 331 connected with the heat 10 storage water heat exchanger 310 to cause the refrigerant having passed through the heat storage water heat exchanger 310 to move to the receiver tank 240, and on the second bypass pipe 260, an electric ball valve is provided as a third shutoff valve 261. A connection pipe 270 is provided between the connection pipe 112 connecting the indoor heat exchanger 110 to the 4-way valve 220 and the first bypass pipe 250, and on the connection pipe 270, an electric ball valve is provided as a fourth shutoff valve 271.
A third bypass pipe 280 is provided, which is branched off from the connection pipe 331 connected with the heat storage water heat exchanger 310 and joins the connection pipe 111 connecting the indoor heat exchanger 110 to the receiver tank 240, and on the third bypass pipe 280, an electric ball valve is provided as a fifth shutoff valve 281.
The hydro module 300 includes the heat storage water heat exchanger 310 connected with the heat storage tank 410 by circulation pipes 311 and 312 to enable heat exchange between the refrigerant from the outdoor module 200 and water in a heat storage tank 410.
The heat storage water heat exchanger 310 is connected to the outdoor module by the first bypass pipe 250 and the connection pipe 331, and receives the refrigerant supplied from the outdoor module 200 through the first bypass pipe 250 and provides the refrigerant having passed through the heat storage water heat exchanger 310 to the outdoor module 200 through the connection pipe 331. As described above, the refrigerant passes through the heat storage water heat exchanger 310 by the first bypass pipe 250 and the connection pipe 331, and the water in the heat storage tank 410 passes through the heat storage water heat exchanger 310 by the circulation pipes 311 and 312 and is fed back to the heat storage tank 410, so heat exchange is accomplished between the refrigerant and the water in the heat storage tank 410 within the heat storage water heat exchanger 310.
The hydro module 300 may further include a circulation pump 320 installed on the circulation pipe 311 to circulate the water in the heat storage tank 410 while passing through the heat storage water heat exchanger 310 in a heat storage operation, and a flash tank 330 installed on the circulation pipe 311 to enable constant maintenance in response to temperature and volume changes of water and a pressure change inside the heat storage tank 410 caused by the operation of the circulation pump 320.
Here, the circulation pipe 311 is connected with a branch water supply pipe 313 which is branched off from a water supply pipe 413 and supplies water to the heat storage tank 410, and on the branch water supply pipe 313, an auto fill water valve 314 is provided.
The water tank module 400 includes the heat storage tank 410 to cause water to obtain a source of heat while circulating through the heat storage water heat exchanger 310 by the circulation pipes 311 and 312.
In the floor heating, the water tank module 400 is connected to a circulation pipe 411 to cause heating water having passed through a floor heating unit 600 to flow into the heat storage tank 410, and is connected to a circulation pipe 412 to cause the heating water to be fed back to the floor heating unit 600 through a first heat exchanger 510 of the boiler module 500 after obtaining the source of heat while circulating through the heat storage tank 410.
Also, in the hot water use, the water tank module 400 is connected to a circulation pipe 414 to cause the water supplied through the water supply pipe 413 to be discharged through a second heat exchanger 520 of the boiler module 500 after obtaining the source of heat while passing through the heat storage tank 410.
The heat storage tank 410 is provided with a drain pipe 420 to drain the water from the heat storage tank 410, and on the water supply pipe 413, a connection pipe 315 connected with a heating water supply pipe 521 is provided, and on the connection pipe 315, a mixing valve 316 and a check valve 317 for backflow prevention are provided, and thus, hot water of a desired temperature may be supplied to a consumer by mixing hot water and cold water through the control of the mixing valve 316.
Also, a relief valve 430 is provided in the heat storage tank 410 to release pressure when high pressure is formed within the heat storage tank 410.
The boiler module 500 heats the water circulating in the heat storage tank 410, and includes the first heat exchanger 510 to heat the circulating heating water to achieve floor heating to a target temperature, and the second heat exchanger 520 to carry out heat exchange to increase the temperature of the water having passed through the heat storage tank 410 with an aim of use as hot water.
The first heat exchanger 510 serves as a heating water heat exchanger which allows the heating water passing through the floor heating unit 600 to obtain a source of heat by a burner 530, and the present disclosure is constructed to cause the heating water having passed through the floor heating unit 600 to flow into the first heat exchanger 510 after obtaining the source of heat while passing through the heat storage tank 410, thereby reducing the use of the burner 530 and consequently saving energy.
The second heat exchanger 520 serves as a heat storage water heat exchanger which allows the water having passed through the heat storage tank 410 to exchange heat with a portion of the heating water, and the present disclosure is constructed to cause the water supplied through the water supply pipe 413 to flow into the second heat exchanger 520 after obtaining the source of heat while passing through the heat storage tank 410, thereby reducing the use of the burner 530 and consequently saving energy.
The second heat exchanger 520 is connected to the heating water supply pipe 521 to discharge the water having passed through the second heat exchanger 520.
In the hot water use, the second heat exchanger 520 is connected to the circulation pipe 414 to cause the water supplied through the water supply pipe 413 to be discharged through the second heat exchanger 520 of the boiler module 500 after obtaining the source of heat while passing through the heat storage tank 410.
The boiler module 500 may further include a heating water supply pump 540 to cause the heating water having passed through the floor heating unit 600 to flow back into the floor heating unit 600 through the first heat exchanger 510 after obtaining the source of heat while passing through the heat storage tank 410, and the heating water supply pump 540 is provided on the circulation pipe 412 within the boiler module 500.
The boiler module 500 may further include a 3-way valve 550 disposed on the circulation pipe 411 to supply the heating water having passed through the first heat exchanger 510 to the floor heating unit 600, and the 3-way valve 550 is connected to a bypass pipe 551 for bypassing, to the second heat exchanger 520, the heating water having obtained the source of heat while passing through the first heat exchanger 510. As described above, the bypass pipe 551 branched off from the 3-way valve 550 20 joins the circulation pipe 412 after passing through the second heat exchanger 520. The 3-way valve 550 supplies the heating water having obtained the source of heat while passing through the first heat exchanger 510 to the floor heating unit 600, or bypasses the heating water having obtained the source of heat while passing through the first heat exchanger 510 to the second heat exchanger 520.
The heating water bypassed to the second heat exchanger 520 exchanges heat with the water flowing into the second heat exchanger 520 through the circulation pipe 414 to increase the temperature of the water for use as hot water, and is then fed back to the circulation pipe 412, prompting it to circulate The floor heating unit 600 performs floor heating by circulating the heating water from the boiler module 500.
Although the embodiment of the present disclosure describes that an electric ball valve is applied as a shutoff valve, a solenoid valve may be also used as a shutoff valve, instead of an electric ball valve.
A description of operation of the hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure as constructed above, for each mode, is as follows.
Space cooling mode and floor heating or hot water mode Fig. 2 is a diagram illustrating the flow of water and refrigerant in a space cooling mode and a floor heating or hot water mode of the hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure.
As shown in Fig. 2, when a boiler works (floor heating or hot water) while space cooling, a refrigerant of high temperature and high pressure discharged through the compressor 210 passes through the outdoor heat exchanger 230 via the 4-way valve 220 and the first shutoff valve 222, flows into the receiver tank 240 via the check valve 232, and passes through the indoor heat exchanger 110 of the indoor module 100 in a reduced temperature state while passing through the indoor expansion valve 120, so cold air is supplied to a room, and in this way, space cooling is achieved The refrigerant having passed through the indoor heat exchanger 110 flows back to the 4-way valve 220 via the connection pipe 112, passes through the accumulator 290, and is fed back to the compressor 210.
For the refrigerant having passed through the outdoor heat exchanger 230 to flow into the receiver tank 240, the refrigerant flows into the receiver tank 240 through the check valve 232 while the expansion valve 233 is in a closed state.
In this instance, the second shutoff valve 251 disposed on the first bypass pipe 250, the third shutoff valve 261 disposed on the second bypass pipe 260, the fourth shutoff valve 271 disposed on the connection pipe 270, and the fifth shutoff valve 281 disposed on the third bypass pipe 280 are in a closed state, and the first shutoff valve 222 disposed on the connection pipe 221 is in an open state.
In such a state that space cooling is achieved as described above, when floor heating is requested, the boiler module 500 is operated to circulate heating water through the floor heating unit 600.
That is, by operation of the heating water supply pump 540 provided within the boiler module 500, the heating water having passed through the floor heating unit 600 enters the heat storage tank 410 through the circulation pipe 411 while in a reduced temperature state, and after obtaining a source of heat through heat exchange in the heat storage tank 410, flows back to the floor heating unit 600 through the heating water supply pump 540 and the first heat exchanger 510 via the circulation pipe 412.
In the first heat exchanger 410, the heating water obtains the source of heat by virtue of heating by the burner 530 to increase its temperature to a target temperature. In a hot water mode, water having passed through the heat storage tank 410 via the water supply pipe 413 obtains a source of heat by heat exchange in the second heat exchanger 520 of the boiler module 500 through the circulation pipe 414, and then hot water is supplied through the heating water supply pipe 521.
In this instance, the heating water having obtained the source of heat while passing through the first heat exchanger 510 is bypassed to the second heat exchanger 520 by the 3-way valve 550, and the heating water bypassed to the second heat exchanger 520 exchanges heat with the water flowing into the second heat exchanger 520 through the circulation pipe 414 to increase the temperature of the water with an aim to use as hot water, and is fed back to the circulation pipe 412, prompting it to circulate As described above, if a consumer wants to heat the floor and use hot water during space cooling, the boiler module 500 is operated.
Space cooling and heat storage mode and floor heating or hot water mode-1 Fig. 3 is a diagram illustrating the flow of water and refrigerant in a space cooling and heat storage mode and a floor heating or hot water mode of the hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure.
As shown in Fig. 3, the space cooling and heat storage mode operates simultaneously, and a refrigerant of high temperature and high pressure discharged through the compressor 210 flows into the heat storage water heat exchanger 310 via the 4-way valve 220 and the second shutoff valve 251 disposed on the first bypass pipe 250 The refrigerant having passed through the heat storage water heat exchanger 310 passes through the connection pipe 331, the fifth shutoff valve 281 disposed on the third bypass pipe 280, and the connection pipe 111, and passes through the indoor heat exchanger 110 of the indoor module 100 in a reduced temperature state while passing through the indoor expansion valve 120, so cold air is supplied to a room, and in this way, space cooling is achieved.
The refrigerant having passed through the indoor heat exchanger 110 flows back to the 4-way valve 220 via the connection pipe 112, passes through the accumulator 290, and is fed back to the compressor 210.
For heat storage, the circulation pump 320 is operated to cause water in the heat storage tank 410 to pass through the heat storage water heat exchanger 310 via the circulation pipe 311 and then be fed back into the heat storage tank 410 via the circulation pipe 312.
In the heat storage water heat exchanger 310, the water from the heat storage tank 410 obtains the source of heat by heat exchange with the high temperature refrigerant passing through the first bypass pipe 250, and in this state, is fed back into the heat storage tank 410.
In this instance, the first shutoff valve 222 disposed on the connection pipe 221, the third shutoff valve 261 disposed on the second bypass pipe 260, and the fourth shutoff valve 271 disposed on the connection pipe 270 are in a closed state, and the second shutoff valve 251 disposed on the first bypass pipe 250 and the fifth shutoff valve 281 disposed on the third bypass pipe 280 are in an open state As noted above, this embodiment achieves heat storage using only the heat storage water heat exchanger 310 without using the outdoor heat exchanger 230.
In such a state that space cooling and heat storage is achieved as described above, when floor heating is intended to heat the floor, the boiler module 500 is operated to circulate heating water through the floor heating unit 600. By operation in a heat storage mode, water fed back into the heat storage tank 410 increases in temperature, and heating water having undergone a reduction in temperature while passing through the floor heating unit 600 obtains a source of heat through heat exchange within the first heat exchanger 410, and then flows back to the floor heating unit 600 through the heating water supply pump 540 and the first heat exchanger 510 of the boiler module 500 via the circulation pipe 412.
In a hot water mode, after water obtains a source of heat through heat exchange within the heat storage tank 410 via the water supply pipe 413, hot water is supplied through the heating water supply pipe 521 after passing through the second heat exchanger 520 of the boiler unit 500 via the circulation pipe 414.
As described above, the present disclosure is constructed to cause the heating water having passed through the floor heating unit 600 and the water flowing in through the water supply pipe 413 to flow into the boiler module 500 in an increased temperature state by heat exchange while passing through the heat storage tank 410 in which heat is stored, thereby reducing an amount of gas consumption of the boiler module 500 When the heat stored in the heat storage tank 410 is in a quite high temperature, the water going out after being subjected to heat exchange in the heat storage tank 410 will suffice to provide water supply with a desired temperature to a consumer, without operation of the boiler module 500.
Space cooling and heat storage mode and floor heating or hot water mode-2 Fig. 4 is a diagram illustrating the flow of water and refrigerant in a space cooling and heat storage mode and a floor heating or hot water mode of the hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure, and in this embodiment, when the temperature of water in the heat storage tank 410 is high, not only the heat storage water heat exchanger 310 but also the outdoor heat exchanger 230 is used for heat storage to increase efficiency.
As shown in Fig. 4, the space cooling and heat storage mode operates simultaneously, and a refrigerant of high temperature and high pressure discharged through the compressor 210 flows into the heat storage water heat exchanger 310 via the 4-way valve 220 and the second shutoff valve 251 disposed on the first bypass pipe 250.
The refrigerant having passed through the heat storage water heat exchanger 310 passes through the outdoor heat exchanger 230 via the third shutoff valve 261 disposed on the second bypass pipe 260.
The refrigerant having passed through the outdoor heat exchanger 230 flows into the receiver tank 240 via the check valve 232, and passes through the indoor heat exchanger 110 of the indoor module 100 in a reduced temperature state while passing through the indoor expansion valve 120, so cold air is supplied to a room, and in this way, space cooling is achieved.
In this instance, the first shutoff valve 222 disposed on the connection pipe 221, the fourth shutoff valve 271 disposed on the connection pipe 270, and the fifth shutoff valve 281 disposed on the third bypass pipe 280 are in a closed state, and the second shutoff valve 251 disposed on the first bypass pipe 250 and the third shutoff valve 261 disposed on the second bypass pipe 260 are in an open state.
The refrigerant having passed through the indoor heat exchanger 110 flows back to the 4-way valve 220 via the connection pipe 112, passes through the accumulator 290, and is fed back to the compressor 210.
Since a description of an operation for heat storage and an operation while in a floor heating or hot water mode is the same as the description of the operation in Fig. 3, its detailed description is omitted herein.
Space heating mode and floor heating or hot water mode Fig. 5 is a diagram illustrating the flow of water and refrigerant in a space heating mode and a floor heating or hot water mode of the hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure.
As shown in Fig. 5, a refrigerant of high temperature and high pressure discharged through the compressor 210 passes directly through the indoor heat exchanger 110 via the 4-way valve 220 and the connection pipe 112, and in this way, space heating is achieved.
The refrigerant having passed through the indoor heat exchanger 110 flows into the receiver tank 240 via the indoor expansion valve 120 and the connection pipe 111, and the refrigerant having passed through the receiver tank 240 passes through the outdoor heat exchanger 230 in a reduced temperature state while passing through the outdoor expansion valve 233, passes through the accumulator 290 via the first shutoff valve 222 and the 4-way vale 220, and is fed back to the compressor 210 In this instance, the second shutoff valve 251 disposed on the first bypass pipe 250, the third shutoff valve 261 disposed on the second bypass pipe 260, the fourth shutoff valve 271 disposed on the connection pipe 270, and the fifth shutoff valve 281 disposed on the third bypass pipe 280 are in a closed state, and the first shutoff valve 222 disposed on the connection pipe 221 is in an open state Since a description of an operation while in a floor heating and hot water mode is the same as the description of the operation in Figs. 2 and 3, its detailed description is omitted herein Space heating and heat storage mode and floor heating or hot water mode Fig. 6 is a diagram illustrating the flow of water and refrigerant in a space heating and heat storage mode and a floor heating or hot water mode of the hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure.
As shown in Fig. 6, the space heating and heat storage mode operates simultaneously, and a refrigerant of high temperature and high pressure discharged through the compressor 210 branches after passing through the 4-way valve 220, and a portion of the refrigerant flows into the heat storage water heat exchanger 310 via the fourth shutoff valve 271 disposed on the connection pipe 270.
The refrigerant having passed through the heat storage water heat exchanger 310 flows into the receiver tank 240 through the connection pipe 331 and the fifth shutoff valve 281 disposed on the third bypass pipe 280.
On the other hand, the remaining refrigerant passes through the indoor heat exchanger 110 directly via the connection pipe 112, and in this way, space heating is 20 achieved.
The refrigerant having passed through the indoor heat exchanger 110 flows into the receiver tank 240 via the indoor expansion valve 120 and the connection pipe 111.
As described above, the refrigerant having passed through the connection pipe 111 and the refrigerant having passed through the fifth shutoff valve 281 join together in the receiver tank 240, and the mixed refrigerant in the receiver tank 240 passes through the outdoor heat exchanger 230 in a reduced temperature state while passing through the outdoor expansion valve 233, passes through the accumulator 290 via the first shutoff valve 222 and the 4-way valve 220, and is fed back to the compressor 210. In this instance, the second shutoff valve 251 disposed on the first bypass pipe 10 250 and the third shutoff valve 261 disposed on the second bypass pipe 260 are in a closed state, and the first shutoff valve 222 disposed on the connection pipe 221, the fourth shutoff valve 271 disposed on the connection pipe 270, and the fifth shutoff valve 281 disposed on the third bypass pipe 280 are in an open state.
Since a description of an operation for heat storage and an operation while in a floor heating or hot water mode is the same as the description of the operation in Fig. 3,
its detailed description is omitted herein.
Heat storage mode and floor heating or hot water mode Fig. 7 is a diagram illustrating the flow of water and refrigerant in a heat storage mode and a floor heating or hot water mode of the hybrid heat pump boiler system according to an exemplary embodiment of the present disclosure.
As shown in Fig. 7, during operation in a heat storage mode, a refrigerant of high temperature and high pressure discharged through the compressor 210 passes through the 4-way valve 220 and flows into the heat storage water heat exchanger 310 via the fourth shutoff valve 271 disposed on the connection pipe 270.
The refrigerant having passed through the heat storage water heat exchanger 310 flows into the receiver tank 240 via the connection pipe 331 and the fifth shutoff valve 281 disposed on the third bypass pipe 280 The refrigerant flowed into the receiver tank 240 passes through the outdoor heat exchanger 230 in a reduced temperature state while passing through the outdoor expansion valve 233, passes through the accumulator 290 via the first shutoff valve 222 and the 4-way valve 220, and is fed back to the compressor 210.
In this instance, the second shutoff valve 251 disposed on the first bypass pipe 250 and the third shutoff valve 261 disposed on the second bypass pipe 260 are in a closed state, and the first shutoff valve 222 disposed on the connection pipe 221, the fourth shutoff valve 271 disposed on the connection pipe 270, and the fifth shutoff valve 281 disposed on the third bypass pipe 280 are in an open state.
By operation of the circulation pump 320, water in the heat storage tank 410 passes through the heat storage water heat exchanger 310 via the circulation pipe 311, and is fed back into the heat storage tank 410 through the circulation pipe 312.
In this instance, in the heat storage water heat exchanger 310, the water from the heat storage tank 410 obtains a source of heat through heat exchange with the high temperature refrigerant passing through the connection pipe 270 and the first bypass pipe 250, and in this state, is fed back into the heat storage tank 410.
Since a description of an operation while in a floor heating and hot water mode is the same as the description of the operation in Figs. 2 and 3, its detailed description is omitted herein.
The hybrid heat pump boiler system of the present disclosure is not limited to the disclosed embodiments, and various modifications may be made and embodied within the spirit and scope of the disclosure.
Description of Reference Numerals
100: Indoor module 111, 112: Connection pipes 200: Outdoor module 220: 4-way valve 222: First shutoff valve 231: Connection pipe 233: Outdoor expansion valve 250: First bypass pipe 260: Second bypass pipe 270: Connection pipe 280 Third bypass pipe 290: Accumulator 110: Indoor heat exchanger 120: Indoor expansion valve 210: Compressor 221: Connection pipe 230: Outdoor heat exchanger 232: Check valve 240: Receiver tank 251: Second shutoff valve 261: Third shutoff valve 271: Fourth shutoff valve 281 Fifth shutoff valve 300: Hydro module 310: Heat storage water heat exchanger 311, 312: Circulation pipes 313: Branch water supply pipe 314: Auto fill water valve 315: Connection pipe 316 Mixing valve 317: Check valve 320: Circulation pump 330: Flash tank 400: Water tank module 410: Heat storage tank 411, 412, 414: Circulation pipes 413: Water supply pipe 420: Drain pipe 430: Relief valve 500: Boiler module 510: First heat exchanger 520: Second heat exchanger 521: Heating water supply pipe 530: Burner 540: Heating water supply pump 550: 3-way valve 551: Bypass pipe 600: Floor heating unit

Claims (16)

  1. CLAIMS1. A hybrid heat pump boiler system comprising: an outdoor module (200) comprising a compressor (210) and an outdoor heat exchanger (230); an indoor module (100) comprising an indoor heat exchanger (110) and an indoor expansion valve (120), and configured to perform space cooling and space heating operations to cool and heat air in an indoor space; a hydro module (300) comprising a heat storage water heat exchanger (310) to enable heat exchange between a refrigerant supplied from the outdoor module (200) and water in a heat storage tank (410); a water tank module (400) comprising the heat storage tank (410) to store a source of heat using circulation of water through the heat storage water heat exchanger (310) by circulation pipes (311, 312); and a boiler module (500) to heat selectively heating water and water supplied through a water supply pipe (413), wherein the water tank module (400) comprises circulation pipes (411, 412) to, in the case of floor heating, cause the heating water having passed through a floor heating unit (600) to flow back into the floor heating unit (600) through the boiler module (500) after obtaining a source of heat while passing through the heat storage tank (410), and a circulation pipe (414) to, in the case of hot water use, cause the water supplied through the water supply pipe (413) to be discharged through the boiler module (500) after obtaining a source of heat while passing through the heat storage tank (410).
  2. 2. The hybrid heat pump boiler system according to claim 1, wherein the outdoor module (200) comprises the compressor (210) to compress the refrigerant circulating through the indoor heat exchanger (110) and the outdoor heat exchanger (230) to high temperature and high pressure, a 4-way valve (220) to change a flow path of the refrigerant discharged from the compressor (210), the outdoor heat exchanger (230) to cause the refrigerant having passed through the 4-way valve (220) and a first shutoff valve (222) to exchange heat with outdoor air, a receiver tank (240) to store excess refrigerant among the refrigerant circulating through the indoor heat exchanger (110) and the outdoor heat exchanger (230), and an accumulator (290) to separate a liquid refrigerant from the refrigerant being fed back into the compressor (210), the indoor module (100) comprises the indoor heat exchanger (110) to enable heat exchange with indoor air, and the indoor expansion valve (120) to reduce the temperature and pressure of the refrigerant being provided to the indoor heat exchanger (110), the hydro module (300) comprises the heat storage water heat exchanger (310) to enable heat exchange between the refrigerant supplied from the outdoor module (200) and the water in the heat storage tank (410); the water tank module (400) comprises the heat storage tank (410) to cause the water to obtain the source of heat while circulating through the heat storage water heat exchanger (310) by the circulation pipes (311, 312), and the boiler module (500) comprises a first heat exchanger (510) to heat the circulating heating water to achieve floor heating to a target temperature, and a second heat exchanger (520) to enable heat exchange to increase the temperature of the water having passed through the heat storage tank (410) with an aim of use as hot water.
  3. The hybrid heat pump boiler system according to claim 2, wherein the outdoor module (200) further comprises a first bypass pipe (250) which is branched off from a connection pipe (221) connected with the 4-way valve (220) and is connected to the heat storage water heat exchanger (310) to cause the refrigerant to pass through the heat storage water heat exchanger (310), and the first bypass pipe (250) has a second shutoff valve (251).
  4. 4. The hybrid heat pump boiler system according to claim 2, wherein the outdoor module (200) further comprises a second bypass pipe (260) provided between a connection pipe (221) connected with the 4-way valve (220) and a connection pipe (331) connected with the heat storage water heat exchanger (310) to cause the refrigerant having passed through the heat storage water heat exchanger (310) to move to the receiver tank (240), and the second bypass pipe (260) has a third shutoff valve (261).
  5. The hybrid heat pump boiler system according to claim 2, wherein the outdoor module (200) further comprises a connection pipe (270) provided between a connection pipe (112) connecting the indoor heat exchanger (110) to the 4-way valve (220), and a first bypass pipe (250), and the connection pipe (270) has a fourth shutoff valve (271).
  6. 6. The hybrid heat pump boiler system according to claim 2, wherein the outdoor module (200) further comprises a third bypass pipe (280) which is branched off from a connection pipe (331) connected with the heat storage water heat exchanger (310), and joins a connection pipe (111) connecting the indoor heat exchanger (110) to the receiver tank (240), and the third bypass pipe (280) has a fifth shutoff valve (281).
  7. 7. The hybrid heat pump boiler system according to claim 2, wherein the outdoor module (200) further comprises a check valve (232) and an outdoor expansion valve (233) branched off from a connection pipe (231) connecting the outdoor heat exchanger (230) to the receiver tank (240).
  8. The hybrid heat pump boiler system according to claim 2, wherein the hydro module (300) further comprises a circulation pump (320) on a circulation pipe (311) to cause the water in the heat storage tank (410) to circulate through the heat storage water heat exchanger (310) during a heat storage operation.
  9. 9. The hybrid heat pump boiler system according to claim 8, wherein the hydro module (300) further comprises a flash tank (330) on the circulation pipe (311) to cause the water in the heat storage tank (410) to be constantly maintained in response to temperature and volume changes of water and a pressure change inside the heat storage tank (410) caused by the operation of the circulation pump (320).
  10. 10 The hybrid heat pump boiler system according to claim 2, wherein the boiler module (500) further comprises: a 3-way valve (550) provided on the circulation pipe (412) to cause the heating water having passed through the first heat exchanger (510) to move to the floor heating unit (600); and a bypass pipe (551) branched off from the 3-way valve (550), and configured to, after the heat exchange through the second heat exchanger (520) to increase the temperature with an aim of use as hot water, flow the water from the heat storage tank (410) back to the circulation pipe (412), prompting the water to circulate,.
  11. 11. The hybrid heat pump boiler system according to claim 2, wherein space cooling is performed by forming a flow path to cause the refrigerant discharged from the compressor (210) to pass through the outdoor heat exchanger (230) via the 4-way valve (220), and to cause the refrigerant having passed through the heat exchanger (230) to pass through the indoor heat exchanger (110) via the receiver tank (240) and the indoor expansion valve (120) and to be fed back to the compressor (210) through the 4-way valve (220) and the accumulator (290), and in a situation in which the space cooling is achieved, when a floor heating operation is selected, a heating water supply pump (540) is operated to cause the heating water having passed through the floor heating unit (600) to pass through the heat storage tank (410) via the circulation pipe (411) and flow back to the floor heating unit (600) through the first heat exchanger (510) of the boiler module (500) via the circulation pipe (412), and when a hot water operation is selected, the water flowing in through the water supply pipe (413) passes through the heat storage tank (410) and is supplied to the second heat exchanger (520) of the boiler module (500) through the circulation pipe (414), where the water obtains the source of heat by heat exchange in the second heat exchanger (520), and hot water is supplied through an outlet pipe.
  12. 12. The hybrid heat pump boiler system according to claim 2, wherein space cooling and heat storage is simultaneously performed by forming a flow path to cause the refrigerant discharged from the compressor (210) to pass through the heat storage water heat exchanger (310) via the 4-way valve (220) and pass through the indoor heat exchanger (110) via the indoor expansion valve (120), and to cause the refrigerant having passed through the indoor heat exchanger (110) to be fed back to the compressor (210) via the 4-way valve (220) and the accumulator (290), and by forming a flow path to cause the water in the heat storage tank (410) to be fed back to the heat storage tank (410) in such a state of having obtained the source of heat by heat exchange while passing through the heat storage water heat exchanger (310) by operation of a circulation pump (320), in a situation in which the space cooling and heat storage is achieved, when a floor heating operation is selected, a heating water supply pump (540) is operated to cause the heating water having passed through the floor heating unit (600) to pass through the heat storage tank (410) via the circulation pipe (411) and flow back to the floor heating unit (600) through the first heat exchanger (510) of the boiler module (500) via the circulation pipe (412), and when a hot water operation is selected, the water flowing in through the water supply pipe (413) passes through the heat storage tank (410) and is supplied to the second heat exchanger (520) of the boiler module (500) through the circulation pipe (414), where the water obtains the source of heat by heat exchange in the second heat exchanger (520), and hot water is supplied through an outlet pipe.
  13. 13. The hybrid heat pump boiler system according to claim 2, wherein space cooling and heat storage is simultaneously performed by forming a flow path to cause the refrigerant discharged from the compressor (210) to pass through the heat storage water heat exchanger (310) via the 4-way valve (220) and pass through the outdoor heat exchanger (230), and to cause the refrigerant having passed through the outdoor heat exchanger (230) to pass through the indoor heat exchanger (110) via the receiver tank (240) and the indoor expansion valve (120) and to be fed back to the compressor (210) via the 4-way valve (220) and the accumulator (290), and by forming a flow path to cause the water in the heat storage tank (410) to be fed back to the heat storage tank (410) in such a state of having obtained the source of heat by heat exchange while passing through the heat storage water heat exchanger (310) by operation of a circulation pump (320), in a situation in which that the space cooling and heat storage is achieved, when a floor heating operation is selected, a heating water supply pump (540) is operated to cause the heating water having passed through the floor heating unit (600) to pass through the heat storage tank (410) via the circulation pipe (411) and flow back to the floor heating unit (600) through the first heat exchanger (510) of the boiler module (500) via the circulation pipe (412), and when a hot water operation is selected, the water flowing in through the water supply pipe (413) passes through the heat storage tank (410) and is supplied to the second heat exchanger (520) of the boiler module (500) through the circulation pipe (414), where the water obtains the source of heat by heat exchange in the second heat exchanger (520), and hot water is supplied through an outlet pipe.
  14. 14. The hybrid heat pump boiler system according to claim 2, wherein space heating is performed by forming a flow path to cause the refrigerant discharged from the compressor (210) to pass through the indoor heat exchanger (110) via the 4-way valve (220), flow into the receiver tank (240) via the indoor expansion valve (120), pass through the outdoor heat exchanger (230) via the outdoor expansion valve (233), and be fed back to the compressor (210) via the 4-way valve (220) and the accumulator (290), and in a situation in which the space heating is achieved, when a floor heating operation is selected, a heating water supply pump (540) is operated to cause the heating water having passed through the floor heating unit (600) to pass through the heat storage tank (410) via the circulation pipe (411) and flow back to the floor heating unit (600) through the first heat exchanger (510) of the boiler module (500) via the circulation pipe (412), and when a hot water operation is selected, the water flowing in through the water supply pipe (413) passes through the heat storage tank (410) and is supplied to the second heat exchanger (520) of the boiler module (500) through the circulation pipe (414), where the water obtains the source of heat by heat exchange in the second heat exchanger (520), and hot water is supplied through an outlet pipe.
  15. 15. The hybrid heat pump boiler system according to claim 2, wherein space heating and heat storage is simultaneously performed by forming a flow path to cause the refrigerant discharged from the compressor (210) to be branched through the 4-way valve (220), in which a portion of the refrigerant flows into the receiver tank (240) through the heat storage water heat exchanger (310) and the remaining passes through the indoor heat exchanger (110) and flows into the receiver tank (240) via the indoor expansion valve (120), and to cause the mixed refrigerant in the receiver tank (240) to pass through the outdoor heat exchanger (230) via the outdoor expansion valve (233) and to be fed back to the compressor (210) via the 4-way valve (220) and the accumulator (290), and in a situation in which the space heating and heat storage is achieved, when a floor heating operation is selected, a heating water supply pump (540) is operated to cause the heating water having passed through the floor heating unit (600) to pass through the heat storage tank (410) via the circulation pipe (411) and flow back to the floor heating unit (600) through the first heat exchanger (510) of the boiler module (500) via the circulation pipe (412), and when a hot water operation is selected, the water flowing in through the water supply pipe (413) passes through the heat storage tank (410) and is supplied to the second heat exchanger (520) of the boiler module (500) through the circulation pipe (414), where the water obtains the source of heat by heat exchange in the second heat exchanger (520), and hot water is supplied through an outlet pipe.
  16. 16. The hybrid heat pump boiler system according to claim 2, wherein heat storage is performed by forming a flow path to cause the refrigerant discharged from the compressor (210) to pass through the heat storage water heat exchanger (310) via the 4-way valve (220), and to cause the refrigerant having passed through the heat storage water heat exchanger (310) to pass through the outdoor heat exchanger (230) via the receiver tank (240) and the outdoor expansion valve (233) and to be fed back to the compressor (210) via the 4-way valve (220) and the accumulator (290), and by forming a flow path to cause the water in the heat storage tank (410) to be fed back to the heat storage tank (410) in such a state of having obtained the source of heat by heat exchange while passing through the heat storage water heat exchanger (310) by operation of a circulation pump (320), and in a situation in which the heat storage is achieved, when a floor heating operation is selected, a heating water supply pump (540) is operated to cause the heating water having passed through the floor heating unit (600) to pass through the heat storage tank (410) via the circulation pipe (411) and flow back to the floor heating unit (600) through the first heat exchanger (510) of the boiler module (500) via the circulation pipe (412), and when a hot water operation is selected, the water flowing in through the water supply pipe (413) passes through the heat storage tank (410) and is supplied to the second heat exchanger (520) of the boiler module (500) through the circulation pipe (414), where the water obtains the source of heat by heat exchange in the second heat exchanger (520), and hot water is supplied through an outlet pipe.Amendments have been filed to the claims as follows:CLAIMS1. A hybrid heat pump boiler system comprising: an outdoor module (200) comprising a compressor (210) and an outdoor heat exchanger (230); an indoor module (100) comprising an indoor heat exchanger (110) and an indoor expansion valve (120), and configured to perform space cooling and space heating operations to cool and heat air in an indoor space; a hydro module (300) comprising a heat storage water heat exchanger (310) to enable heat exchange between a refrigerant supplied from the outdoor module (200) and water in a heat storage tank (410); a water tank module (400) comprising the heat storage tank (410) to store a CD source of heat using circulation of water through the heat storage water heat exchanger (310) by a first circulation pipe (311) and a second circulation pipe (312); and a boiler module (500) to heat selectively heating water and water supplied through a water supply pipe (413), wherein the water tank module (400) comprises a third circulation pipe (411) and a fourth circulation pipe (412) to, in the case of floor heating, cause the heating water having passed through a floor heating unit (600) to flow back into the floor heating unit (600) through the boiler module (500) after obtaining a source of heat while passing through the heat storage tank (410), and a fifth circulation pipe (414) to, in the case of hot water use, cause the water supplied through the water supply pipe (413) to be discharged through the boiler module (500) after obtaining a source of heat while passing through the heat storage tank (410).2. The hybrid heat pump boiler system according to claim 1, wherein the compressor (210) is arranged to compress the refrigerant circulating through the indoor heat exchanger (110) and the outdoor heat exchanger (230) to high temperature and high pressure, the outdoor module further comprises a 4-way valve (220) to change a flow path of the refrigerant discharged from the compressor (210), wherein the outdoor heat exchanger (230) is arranged to cause the refrigerant having passed through the 4-way valve (220) and a first shutoff valve (222) to exchange heat with outdoor air, a receiver tank (240) to store excess refrigerant among the refrigerant circulating through the indoor heat exchanger (110) and the outdoor heat exchanger (230), and an accumulator (290) to separate a liquid refrigerant from the refrigerant being fed back into the compressor (210), and wherein the indoor heat exchanger (110) exchanges heat with indoor air, and the indoor expansion valve (120) reduces the temperature and pressure of the refrigerant being provided to the indoor heat exchanger (110), the boiler module (500) comprises a first heat exchanger (510) to heat the circulating heating water to achieve floor heating to a target temperature, and a second heat exchanger (520) to enable heat exchange to increase the temperature of the water having passed through the heat storage tank (410) with an aim of use as hot water.3. The hybrid heat pump boiler system according to claim 2, wherein the outdoor module (200) further comprises a first bypass pipe (250) which is branched off from a first connection pipe (221) connected with the 4-way valve (220) and is connected to the heat storage water heat exchanger (310) to cause the refrigerant to pass through the heat storage water heat exchanger (310), and the first bypass pipe (250) has a second shutoff valve (251).4. The hybrid heat pump boiler system according to claim 2, wherein the outdoor module (200) further comprises a second bypass pipe (260) provided between a first (4) connection pipe (221) connected with the 4-way valve (220) and a second connection pipe (331) connected with the heat storage water heat exchanger (310) to cause the refrigerant having passed through the heat storage water heat exchanger (310) to move to the receiver tank (240), and the second bypass pipe (260) has a third shutoff valve (261).5. The hybrid heat pump boiler system according to claim 2, wherein the outdoor module (200) further comprises a fourth connection pipe (270) provided between a third connection pipe (112) connecting the indoor heat exchanger (110) to the 4-way valve (220), and a first bypass pipe (250), and the fourth connection pipe (270) has a fourth shutoff valve (271).The hybrid heat pump boiler system according to claim 2, wherein the outdoor module (200) further comprises a third bypass pipe (280) which is branched off from a second connection pipe (331) connected with the heat storage water heat exchanger (310), and joins a fifth connection pipe (111) connecting the indoor heat exchanger (110) to the receiver tank (240), and the third bypass pipe (280) has a fifth shutoff valve (281).The hybrid heat pump boiler system according to claim 2, wherein the outdoor module (200) further comprises a check valve (232) and an outdoor expansion valve CD (233) branched off from a sixth connection pipe (231) connecting the outdoor heat exchanger (230) to the receiver tank (240).The hybrid heat pump boiler system according to claim 2, wherein the hydro module (300) further comprises a circulation pump (320) on the first circulation pipe (311) to cause the water in the heat storage tank (410) to circulate through the heat storage water heat exchanger (310) during a heat storage operation.9. The hybrid heat pump boiler system according to claim 8, wherein the hydro module (300) further comprises a flash tank (330) on the first circulation pipe (311) to cause the water in the heat storage tank (410) to be constantly maintained in response to temperature and volume changes of water and a pressure change inside the heat storage tank (410) caused by the operation of the circulation pump (320).10. The hybrid heat pump boiler system according to claim 2, wherein the boiler module (500) further comprises: a 3-way valve (550) provided on the fourth circulation pipe (412) to cause the heating water having passed through the first heat exchanger (510) to move to the floor heating unit (600); and a bypass pipe (551) branched off from the 3-way valve (550), and configured to, after the heat exchange through the second heat exchanger (520) to increase the temperature with an aim of use as hot water, flow the water from the heat storage tank (410) back to the fourth circulation pipe (412), prompting the water to circulate,.LO11. The hybrid heat pump boiler system according to claim 2, wherein space cooling is performed by forming a flow path to cause the refrigerant discharged from the compressor (210) to pass through the outdoor heat exchanger (230) via the 4-way valve (220), and to cause the refrigerant having passed through the heat exchanger (230) to pass through the indoor heat exchanger (110) via the receiver tank (240) and the indoor expansion valve (120) and to be fed back to the compressor (210) through the 4-way valve (220) and the accumulator (290), and in a situation in which the space cooling is achieved, when a floor heating operation is selected, a heating water supply pump (540) is operated to cause the heating water having passed through the floor heating unit (600) to pass through the heat storage tank (410) via the third circulation pipe (411) and flow back to the floor heating unit (600) through the first heat exchanger (510) of the boiler module (500) via the fourth circulation pipe (412), and when a hot water operation is selected, the water flowing in through the water supply pipe (413) passes through the heat storage tank (410) and is supplied to the second heat exchanger (520) of the boiler module (500) through the fifth circulation pipe (414), where the water obtains the source of heat by heat exchange in the second heat CD exchanger (520), and hot water is supplied through an outlet pipe.12. The hybrid heat pump boiler system according to claim 2, wherein space cooling LCD and heat storage is simultaneously performed by forming a flow path to cause the refrigerant discharged from the compressor (210) to pass through the heat storage water heat exchanger (310) via the 4-way valve (220) and pass through the indoor heat exchanger (110) via the indoor expansion valve (120), and to cause the refrigerant having passed through the indoor heat exchanger (110) to be fed back to the compressor (210) via the 4-way valve (220) and the accumulator (290), and by forming a flow path to cause the water in the heat storage tank (410) to be fed back to the heat storage tank (410) in such a state of having obtained the source of heat by heat exchange while passing through the heat storage water heat exchanger (310) by operation of a circulation pump (320), in a situation in which the space cooling and heat storage is achieved, when a floor heating operation is selected, a heating water supply pump (540) is operated to cause the heating water having passed through the floor heating unit (600) to pass through the heat storage tank (410) via the third circulation pipe (411) and flow back to the floor heating unit (600) through the first heat exchanger (510) of the boiler module (500) via the fourth circulation pipe (412), and when a hot water operation is selected, the water flowing in through the water supply pipe (413) passes through the heat storage tank (410) and is supplied to the second heat exchanger (520) of the boiler module (500) through the fifth circulation pipe (414), where the water obtains the source of heat by heat exchange in the second heat CD exchanger (520), and hot water is supplied through an outlet pipe.13. The hybrid heat pump boiler system according to claim 2, wherein space cooling LCD and heat storage is simultaneously performed by forming a flow path to cause the refrigerant discharged from the compressor (210) to pass through the heat storage water heat exchanger (310) via the 4-way valve (220) and pass through the outdoor heat exchanger (230), and to cause the refrigerant having passed through the outdoor heat exchanger (230) to pass through the indoor heat exchanger (110) via the receiver tank (240) and the indoor expansion valve (120) and to be fed back to the compressor (210) via the 4-way valve (220) and the accumulator (290), and by forming a flow path to cause the water in the heat storage tank (410) to be fed back to the heat storage tank (410) in such a state of having obtained the source of heat by heat exchange while passing through the heat storage water heat exchanger (310) by operation of a circulation pump (320), in a situation in which that the space cooling and heat storage is achieved, when a floor heating operation is selected, a heating water supply pump (540) is operated to cause the heating water having passed through the floor heating unit (600) to pass through the heat storage tank (410) via the third circulation pipe (411) and flow back to the floor heating unit (600) through the first heat exchanger (510) of the boiler module (500) via the fourth circulation pipe (412), and when a hot water operation is selected, the water flowing in through the water supply pipe (413) passes through the heat storage tank (410) and is supplied to the second heat exchanger (520) of the boiler module (500) through the fifth circulation pipe (0 (414), where the water obtains the source of heat by heat exchange in the second heat exchanger (520), and hot water is supplied through an outlet pipe. cpLo 14. The hybrid heat pump boiler system according to claim 2, wherein space heating is performed by forming a flow path to cause the refrigerant discharged from the compressor (210) to pass through the indoor heat exchanger (110) via the 4-way valve (220), flow into the receiver tank (240) via the indoor expansion valve (120), pass through the outdoor heat exchanger (230) via the outdoor expansion valve (233), and be fed back to the compressor (210) via the 4-way valve (220) and the accumulator (290), and in a situation in which the space heating is achieved, when a floor heating operation is selected, a heating water supply pump (540) is operated to cause the heating water having passed through the floor heating unit (600) to pass through the heat storage tank (410) via the third circulation pipe (411) and flow back to the floor heating unit (600) through the first heat exchanger (510) of the boiler module (500) via the fourth circulation pipe (412), and when a hot water operation is selected, the water flowing in through the water supply pipe (413) passes through the heat storage tank (410) and is supplied to the second heat exchanger (520) of the boiler module (500) through the fifth circulation pipe (414), where the water obtains the source of heat by heat exchange in the second heat exchanger (520), and hot water is supplied through an outlet pipe.15. The hybrid heat pump boiler system according to claim 2, wherein space heating (15 and heat storage is simultaneously performed by forming a flow path to cause the refrigerant discharged from the compressor (210) to be branched through the 4-way valve (220), in which a portion of the refrigerant flows into the receiver tank (240) 0 through the heat storage water heat exchanger (310) and the remaining passes through the indoor heat exchanger (110) and flows into the receiver tank (240) via the indoor Tr-expansion valve (120), and to cause the mixed refrigerant in the receiver tank (240) to pass through the outdoor heat exchanger (230) via the outdoor expansion valve (233) and to be fed back to the compressor (210) via the 4-way valve (220) and the accumulator (290), and in a situation in which the space heating and heat storage is achieved, when a floor heating operation is selected, a heating water supply pump (540) is operated to cause the heating water having passed through the floor heating unit (600) to pass through the heat storage tank (410) via the third circulation pipe (411) and flow back to the floor heating unit (600) through the first heat exchanger (510) of the boiler module (500) via the fourth circulation pipe (412), and when a hot water operation is selected, the water flowing in through the water supply pipe (413) passes through the heat storage tank (410) and is supplied to the second heat exchanger (520) of the boiler module (500) through the fifth circulation pipe (414), where the water obtains the source of heat by heat exchange in the second heat exchanger (520), and hot water is supplied through an outlet pipe.16. The hybrid heat pump boiler system according to claim 2, wherein heat storage is performed by forming a flow path to cause the refrigerant discharged from the compressor (210) to pass through the heat storage water heat exchanger (310) via the 4-way valve (220), and to cause the refrigerant having passed through the heat storage CO water heat exchanger (310) to pass through the outdoor heat exchanger (230) via the receiver tank (240) and the outdoor expansion valve (233) and to be fed back to the r compressor (210) via the 4-way valve (220) and the accumulator (290), and by forming a flow path to cause the water in the heat storage tank (410) to be fed Tr back to the heat storage tank (410) in such a state of having obtained the source of heat by heat exchange while passing through the heat storage water heat exchanger (310) by operation of a circulation pump (320), and in a situation in which the heat storage is achieved, when a floor heating operation is selected, a heating water supply pump (540) is operated to cause the heating water having passed through the floor heating unit (600) to pass through the heat storage tank (410) via the third circulation pipe (411) and flow back to the floor heating unit (600) through the first heat exchanger (510) of the boiler module (500) via the fourth circulation pipe (412), and when a hot water operation is selected, the water flowing in through the water supply pipe (413) passes through the heat storage tank (410) and is supplied to the second heat exchanger (520) of the boiler module (500) through the fifth circulation pipe (414), where the water obtains the source of heat by heat exchange in the second heat exchanger (520), and hot water is supplied through an outlet pipe.
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