EP4086524A1 - Unité de production d'eau chaude potable permettant de produire de l'eau chaude potable - Google Patents

Unité de production d'eau chaude potable permettant de produire de l'eau chaude potable Download PDF

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Publication number
EP4086524A1
EP4086524A1 EP22171751.5A EP22171751A EP4086524A1 EP 4086524 A1 EP4086524 A1 EP 4086524A1 EP 22171751 A EP22171751 A EP 22171751A EP 4086524 A1 EP4086524 A1 EP 4086524A1
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EP
European Patent Office
Prior art keywords
hot water
heating
unit
domestic hot
room
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP22171751.5A
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German (de)
English (en)
Other versions
EP4086524C0 (fr
EP4086524B1 (fr
Inventor
Lucas RUPP
Dietmar EBERLE
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REKS GmbH
Original Assignee
REKS GmbH
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Filing date
Publication date
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Application granted granted Critical
Publication of EP4086524C0 publication Critical patent/EP4086524C0/fr
Publication of EP4086524B1 publication Critical patent/EP4086524B1/fr
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Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/18—Hot-water central heating systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
    • 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
    • F24H1/18—Water-storage heaters
    • F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
    • 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
    • F24H1/18—Water-storage heaters
    • F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/208—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes with tubes filled with heat transfer fluid
    • 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
    • F24H4/00—Fluid heaters characterised by the use of heat pumps
    • F24H4/02—Water heaters
    • F24H4/04—Storage 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
    • F24H6/00—Combined water and air 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
    • F24H9/02—Casings; Cover lids; Ornamental panels
    • 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
    • F24D2200/08—Electric heater
    • 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
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/08—Storage tanks

Definitions

  • the invention relates to a domestic hot water generating unit and a domestic hot water generating unit for setting up/arranging in a building space and for generating domestic hot water with a domestic hot water tank for storing and dispensing domestic hot water according to the preamble of claim 1.
  • heating and air-conditioning systems In residential construction, especially in multi-storey low-energy residential construction, there are now and will be very high expenditures in the future due to work to prepare heating and air-conditioning systems. This includes the complex laying of pipe systems for air, heating and hot water. Usually will heating and domestic hot water are prepared separately by a central heating system, in order to then be pumped separately to consumers.
  • the costs for building technology such as sanitary installations and heat supply in new buildings amount to approx. 7.5% of the construction costs and in some cases up to 12.5% if controlled living space ventilation is used.
  • the cost of upgrading buildings will continue to increase with the use of new, more environmentally friendly technologies, since the installation of pipework is resource-intensive.
  • the owner or constructor of a new building is obliged to purchase various services and products from different providers.
  • the procurement, coordination and installation of the different components together cause enormous effort and the above-mentioned costs.
  • TTA hot water heat pump is already available from tecalor, which includes a hot water boiler or hot water storage tank whose drinking water can be heated using a small heat pump.
  • ambient air is sucked in and its thermal energy is used by a heat exchanger to heat the stored drinking water or hot water used.
  • This hot water generating device is usually located in the basement and often sucks in outside air or basement air, which is then used as a heat source or cooled down accordingly and released to the atmosphere via air ducts/ducts.
  • the hot water generated here centrally or in the basement is then in turn routed via a house installation system to the individual floors or rooms and consumed at the individual water fittings of the existing washbasins, showers, bathtubs or kitchen taps.
  • the object of the invention is to propose a domestic hot water generation unit and a domestic hot water generation unit which at least partially improves the disadvantages of the prior art.
  • a domestic hot water generating unit is characterized in that at least one building space heating surface for heating/warming the building space is provided at least inside and/or on and/or in the housing and/or the casing.
  • the housing and/or the casing ie which is present within or on/in the contour/casing/shell/housing or which includes the domestic hot water generation unit, can/will be used to heat the building space directly.
  • the building room preferably a living space, in which the domestic hot water generating unit or a so-called "room unit” is set up or arranged, directly from the domestic hot water generating unit or without (long or complex) heating lines and/or can be heated without underfloor heating or underfloor heating loops or without radiators or the like.
  • the domestic hot water generation unit according to the invention or a so-called "room device” is advantageously designed as a room heating element or as a radiator of the building room/living room.
  • a domestic hot water generating unit according to the invention in every building room that is to be heated or is required, eg in the living room and/or bathroom and/or kitchen and/or study or the like. It is preferred here to provide only a single domestic hot water generation unit per residential unit or apartment. This is inexpensive, saves space and is sufficient in terms of the necessary heating energy.
  • At least one heating water heat exchanger unit comprises the heating surface of the building space, with the heating water heat exchanger unit being arranged within the housing and/or the casing.
  • the heating water heat exchanger unit being arranged within the housing and/or the casing.
  • At least one heating unit is provided for heating the heating surface of the building space.
  • this is designed as a heat pump, especially a brine heat pump, an air heat pump, a condensing boiler, a district heating system, a gas burner or the like.
  • the heating unit is arranged/accommodated as a separate device or in a separate device housing.
  • the heat/energy source can be achieved in an advantageous manner.
  • an air heat pump can be placed on the roof of a building or a brine heat pump with a geothermal heat exchanger can be installed in the basement or in the garden of the building. District heating or a heat source external to the building can also be used to generate energy. Accordingly, a particularly efficient power supply can be realized.
  • the heating unit is designed as an external energy source for generating thermal energy, so that at least the domestic hot water tank and the drinking water heat exchanger device can be heated with the thermal energy of the external energy source/heating unit.
  • This is a dual use of the domestic hot water generation unit according to the invention is implemented in an advantageous manner, namely a single device or unit, the / for heating the drinking water or the drinking water storage tank and at the same time Heating of the building space or as apartment/building heating, whereby an external energy/heat source is used.
  • the domestic hot water generation unit can be adapted to a wide variety of needs and/or framework conditions. This enables use in new buildings as well as in old buildings or renovations or retrofits.
  • a heating fluid unit and/or at least two heating fluid lines is/are provided/arranged between the housing/casing and the heating unit and/or the separate device and/or the separate device housing.
  • a central heating unit for several domestic hot water generation units and/or apartments/residential units can be provided in a building, which can be connected or attached to the aforementioned heating fluid unit and/or at least two heating fluid lines.
  • a separate/specific domestic hot water generating unit can be used/provided for each apartment/residential unit.
  • a building preferably has several residential units/apartments with at least one building room and/or living space, each of the several residential units/apartments having a domestic hot water generating unit and one each as the heating unit (19) and/or separate device and/or external energy source (19) trained residential heating unit and/or Has apartment heat pump unit and / or apartment cooling unit. This also improves the adaptability to a wide variety of conditions.
  • the housing and/or the casing comprises at least one air inflow opening for the inflow of room air of the building space and at least one air outflow opening for the outflow of room air into the building space.
  • an advantageous (active or passive) air flow and/or convection flow can be generated through the domestic hot water generation unit or along/on the building space heating surface, as a result of which the building space can be heated.
  • the heating water heat exchanger unit has at least one blower and/or a fan for generating an air flow and/or for sucking in room air of the building space, especially through the air inflow opening, and/or for blowing room air into the building space, esp. Through the air outflow opening. This again advantageously improves the energy transfer between the domestic hot water generation unit and the building/living space.
  • At least one (internal/integrated) additional heater is provided with an electric heating element for heating the drinking water of the domestic hot water storage tank, with the additional heater advantageously being at least inside and/or on and/or in the housing and/or the casing is arranged and/or wherein the electrical heating element can be switched on and/or off, in particular by means of an external electrical control signal, for example a photovoltaic system and/or an ammeter.
  • an external electrical control signal for example a photovoltaic system and/or an ammeter.
  • this improves the economy of the overall system and, on the other hand, the flexibility of hot water generation is additionally increased.
  • this measure can also be used advantageously, for example to heat the heating fluid electrically if the usual heat source fails, by extracting the energy introduced by the electric heating element via the water-water heat exchanger integrated in the domestic hot water tank and using it for space heating. This is particularly advantageous as an emergency operation if the conventional energy source fails, for example if the district heating or heat pump fails.
  • At least one cooling unit is provided for cooling a cooling surface. Cooling or air conditioning of the building space/living space can also be realized in an advantageous manner.
  • a heat pump in particular a brine heat pump or preferably an air heat pump, is provided, which can be designed/used either as a heating unit on the one hand and as a cooling unit on the other hand.
  • the heating water heat exchanger unit is/are designed as a cooling unit and/or the heating surface of the building space as a cooling surface. Accordingly, on the one hand thermal energy can be supplied to the building space via the heating water heat exchanger unit or the building space heating surface, ie for heating/heating the building space, and on the other hand thermal energy can be supplied to the building space via the heating water heat exchanger unit/cooling unit or the building space heating surface/cooling surface.
  • control elements such as valves or the like and/or advantageous sensors, in particular temperature, pressure/flow/quantity sensors, etc. can be provided in an advantageous manner.
  • control elements such as valves or the like and/or advantageous sensors, in particular temperature, pressure/flow/quantity sensors, etc.
  • advantageous monitoring or control/regulation of the system or system unit according to the invention in particular an electrical and/or electronic and/or semi-/automated mode of operation. This allows an optimized, energy-saving and climate-friendly use of energy to be implemented.
  • blower and/or the fan and/or the electrical heating element and/or the heating unit and/or the cooling unit and/or the cooling surface is/are arranged within the housing and/or the casing.
  • a particularly compact/space-saving room unit or a domestic hot water generation unit can be implemented in which all the essential components for heating/cooling are integrated.
  • a domestic hot water generation system or a building heating / cooling system with at least one building room, with at least one outlet fitting such as a faucet and / or shower head, and with a domestic hot water generation unit of the aforementioned type can be realized.
  • the building space is designed as a living space, so that the domestic hot water generating unit is set up/arranged in the living space, and the outlet fitting is arranged in a kitchen room and/or bathroom/washroom and/or toilet room.
  • the heat pump unit has a heat pump housing, with fluid lines, in particular water lines, of a heating and/or cooling circuit being provided between the heat pump unit and the domestic hot water production unit and/or the housing, with the heat pump unit in particular having at least partially arranged on an outer shell such as an outer wall and/or a building roof of the building and/or located in the building, e.g. in the boiler room and/or basement or the like.
  • an outer shell such as an outer wall and/or a building roof of the building and/or located in the building, e.g. in the boiler room and/or basement or the like.
  • a building has a plurality of residential units/apartments with at least one building room and/or living space, each of the plurality of residential units/apartments advantageously having a domestic hot water generation unit.
  • a separate or specific heating unit/energy source can be assigned/provided for in each residential unit/apartment.
  • a single/common heating unit/energy source and/or heat pump unit and/or cooling unit and/or electrical or electronic control unit for the domestic hot water generation units which is planned for several residential units/apartments.
  • FIG. 1 a hydraulic diagram of a room unit 1 with housing 2 is shown schematically in each case.
  • the heat exchanger 4 advantageously comprising a fan converter 6 .
  • the fan converter 6 With the fan converter 6 , room air is sucked in through a lower inlet opening 7 of the housing 2 and guided to an upper outlet opening 8 and discharged from the housing 2 .
  • Drinking water and thermal energy as well as waste water is supplied to and removed from the room unit 1 via connections 9 .
  • Various valves 10, some of which can be controlled electrically/motorically, are provided for advantageous hydraulic guidance or management.
  • a heat exchanger 11 is provided for heating the drinking water of the memory 3, for example as a coiled-tube heat exchanger 11 according to FIG figure 1 or as a plate heat exchanger 11 according to figure 2 educated.
  • an electric heating element 12 for heating the drinking water in the storage tank 3 can optionally be provided.
  • one of the heat exchangers 4 is designed as an optionally installable housing wall heater 40, which heats the (metallic) wall of the housing 2 and thus the room air.
  • temperature sensor 30, 31 is also shown schematically, with which the temperature of the drinking water reservoir 3 and the room air or the interior (through which room air can flow) of the housing 2 or the unit 1 can be determined and advantageously used for monitoring, controlling or regulating the heating system .
  • the room unit 1 can advantageously be switched between hot water operation and heating operation both by surface heating 40 and by two air-water heat exchangers 4 equipped with a compact fan 6 and connected hydraulically in parallel, which can be implemented, for example, in the form of finned tube heat exchangers 4.
  • a display 13 can be provided for control or monitoring and information, with which, for example, the room unit 1 can be configured or parameterized (cf. figure 3 ).
  • FIG 4 an exemplary installation or use of the room unit 1 is illustrated in a two-room apartment, which is used both for cooling and for heating the living room 14 and possibly indirectly from neighboring rooms 15, for example by means of a ventilation fan 23, 24 or the like.
  • a corridor/corridor 16 may not be heatable.
  • one of the adjacent rooms 15 can be a bathroom/toilet and have a shower 17, among other things.
  • the shower 17 draws its hot water from the room unit 1 of the living room 14 by means of corresponding water pipes, with optionally additionally and optionally underfloor heating 18 or heating loops in the floor of the bathroom 15 also receiving thermal energy from the room unit 1 and for this purpose advantageously via heating pipes/lines connected to room unit 1.
  • fans 23, 24 or so-called so that to improve the heat supply of the rooms 14, 15, 16 can be provided.
  • These can optionally be built into a wall of the room 14, 15, 16 and/or a door of a room 14, 15, 16.
  • the fans 23, 24 can also be designed as passive or pressure-guided fan valves, through openings or the like.
  • active "transfer vents" 23, 24 or zone fans are already products available on the market, but are currently mostly only used to improve the room air quality by controlling the CO2 content and the relative humidity, e.g. in rooms without windows or bathrooms.
  • these or fans 23, 24 in general are advantageously used for heat distribution when heat is introduced at specific points, without using a water-conducted or air-conducted piping system.
  • the heat is distributed by the fans or fans 23, 24 built into the doors/walls, which distribute or exchange the warm air and thus mean that only one heating output per residential unit is necessary.
  • a building 22 is shown schematically in a sectional side view, which has, for example, four floors or residential units/apartments, each with a separate/own room unit 1 .
  • a heat source 19 is in accordance with the embodiment figure 5 an air heat pump 19 (LWP) is used, which extracts heat energy from atmospheric air and feeds it to a (closed) heating circuit 20 .
  • the heating circuit 20 essentially comprises a heating flow line and a heating return line (two-pipe system), which supplies thermal energy to each room unit 1 of each residential unit.
  • a control unit 21 or a control device 21 is advantageously present, which includes, among other things, the electronic/electrical monitoring/control of the system.
  • figure 6 will be similar or alternative to the variant according to figure 4 a second, exemplary installation or use of the room unit 1 in a two-room apartment illustrates that both for cooling and for heating the living room 14 and here also directly from adjacent rooms 15, for example by means of heating lines 26, ie heating flow and heating return.
  • a corridor/corridor 16 may not be heatable.
  • one of the adjacent rooms 15 can be a bathroom/toilet and have a shower 17, among other things.
  • the shower 17 gets its hot water from the room unit 1 of the living room 14 by means of a corresponding
  • a sink 29 of the room 14 or the living room/kitchen 14 receives hot drinking water via a hot water pipe 25 .
  • underfloor heating 18 or heating loops is provided in the floor of the bathroom 15, whereby this also receives thermal energy from the room unit 1 and is advantageously connected to the room unit 1 via heating pipes/lines 26 for this purpose.
  • the room 15 or a bedroom 15 has a so-called radiator 32 or heating element 32 , which in turn receives heating energy from the room unit 1 by means of lines 26 .
  • the variant shown schematically comprises each residential unit/apartment, ie the apartment shown, a separate or separate energy source 27 or a separate or separate heat pump 27 which is arranged/fixed/suspended outside on the outer wall of the apartment or building. This increases flexibility and/or improves the options for retrofitting or heating renovation without great effort.
  • a corresponding hydraulic circuit can have a room unit 1 with a decentralized air-water heat pump 27 (cf. figure 6 ), such as those used for refurbishment or in New construction can be used.
  • the room unit 1 serves as an indoor unit for the HP 27 and advantageously takes over the control of the heat pump 27 via a bus system in addition to the room heating and cooling, hot water preparation and heating circuit distribution.
  • Device 1 is a so-called "all-in-one solution" for cost-effective renovation.
  • the UWP, membrane expansion vessel and safety valve etc. required for the heating can also be integrated.
  • a room unit 1 according to the invention is a complete solution for water heating, heating and cooling.
  • the room unit 1 is advantageously designed as a heating and cooling center 1 in a living unit, is placed directly in the living room 14 and gives off heat there or extracts heat from the room, namely via an integrated heat exchanger 4, e.g. in the form of a fan convector 6 with a heat exchanger surface 5 or the like.
  • a so-called integrated register boiler 3 or alternatively a plate heat exchanger 11 with a hot water tank 3 generates and stores domestic hot water at certain times. Additional rooms 15 can be heated with heating water via the connection 9 of a heating circuit distributor or additional heat distributor or be cooled.
  • An air-water heat pump 19, brine-water heat pump, gas heater or district heating transfer station can be used as the energy source 19 for operation.
  • the room unit 1 advantageously also offers the possibility, for example, of an integrated heat meter for automatic heat billing within a residential building.
  • An additional electric heating rod 12 integrated in the water heater 3 as additional heating or the like, which can be optionally provided, can also be used to prepare domestic hot water electrically, e.g. with a photovoltaic system to use your own solar power or to increase the self-consumption of a PV system.
  • the room unit 1 can be set up against a wall with the appropriate connecting cables or in the corner of a room. Air is preferably drawn in in the lower area/section of the room unit or at floor level (opening 7) and heated/cooled in the upper or, if applicable, middle area/section of the unit frontally or on the top or the upper front side of the unit, i.e. the Top view surface blown into space (orifice 8).
  • the target room temperature and/or time programs etc. can advantageously be set and, if necessary, the energy consumption or other/additional data/information can be read.
  • Additional room thermostats etc. can be connected to an advantageous control or monitoring unit, ie so-called “electronics" of the room unit 1 .
  • These "electronics" of the room unit 1 distributes/controls, for example, the heating water accordingly in additional, optional heat distributors 18 in other rooms 15.
  • the room units 1 can be operated with different heat/cold generators 19 .
  • Brine-to-water heat pumps, air-to-water heat pumps 19 or other heat pumps are ideal for supplying heating and cooling water.
  • District heating with a transfer station or a condensing boiler of any kind can be used for heating only.
  • a two-pipe system 20 is advantageously sufficient for all operating states, e.g. consisting of 1x heating flow, 1x heating return.
  • the heating/cooling and hot water operation is advantageously implemented at separate times, e.g. several hours of hot water preparation twice a day, with heating/cooling operation in between.
  • the storage tank 3 or register boiler 3 can advantageously be reheated electrically (heating element 12). Due to the decentralized hot water preparation in the residential unit, it is not necessary to set up a circulation line, which saves both constructive and financial effort.
  • An advantageous control unit 21 is, for example, an electronic unit 21 in the part of the hydraulic system of the heat generator located in the house, which controls the heat generator and the room devices 1 in each residential unit.
  • the control unit 21 preferably communicates with the individual devices/components 1 via a bus system.
  • an existing home automation system can also be integrated via a bus system.
  • the control unit 21 coordinates, among other things, the time-separated from the heating / cooling operation water heating with the individual Room units 1, e.g. twice a day hot water preparation, in between heating or cooling operation.
  • connection 9 of the device 1 is preferably made on a rear side of the housing 2, for example via eight connections described in the hydraulic diagram (cf. Figures 1-3 ).
  • a connection is established with the bus system to the control unit 21 and an electrical power supply. The device 1 is then ready for operation.
  • the advantageous home stations/room devices 1 for hot water preparation and heating/cooling have the function of dissipating heat and cold into the room 14 in which they are installed.
  • the installation takes place as directly as possible in the building room 14 or living space 14 to be heated for optimal heat distribution.
  • a system can thus be implemented according to the invention, the system advantageously consisting of a control unit 21 and a plurality of room devices 1 .
  • the control unit 21 is preferably an electronic control unit 21 and advantageously tells the individual room devices 1 via a bus system (not shown) whether they should hydraulically switch to the water heating mode or whether they can/should heat or cool depending on the room temperature.
  • the control unit 21 or the control system also consists of a specially developed hydraulic circuit with several switching valves which, in combination with a heat pump, allow the following operating modes, for example:
  • the hydraulic circuit ensures that the storage tank 3 or buffer storage tank 3 is heated to different levels with heating water at different temperatures can be loaded.
  • buffer tank 3 is short-circuited or cold water is loaded into a separate cooling buffer tank.
  • the room unit 1 is usually designed in such a way that it does not generate heat, it does not contain a chiller, it does not use waste heat to generate heat, but uses the thermal energy in the heating water for hot water preparation and space heating.
  • the hot water is (always) kept at >50°C, otherwise the hygiene standards are not observed.
  • the integrated room heater in room unit 1 is supplied with heating water and not with refrigerant in order to heat room 14, 15, 16.
  • the room unit 1 generates hot water through hydraulic interconnection between the heat exchanger for space heating and the heat exchanger in the hot water tank and not through the waste heat of a refrigeration cycle.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Water Supply & Treatment (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
EP22171751.5A 2021-05-05 2022-05-05 Installation de production d'eau chaude potable Active EP4086524B1 (fr)

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EP4641097A1 (fr) * 2024-04-27 2025-10-29 Hansa Heiztechnik GmbH Système de gestion thermique destiné à être relié à une pompe à chaleur, système de chauffage associé et utilisation
EP4647673A1 (fr) * 2024-05-07 2025-11-12 Vaillant GmbH Procédé de rééquipement d'une installation de chauffage usagée, procédé de fonctionnement d'une installation de pompe à chaleur, installation de pompe à chaleur et produit-programme informatique

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EP3696475B9 (fr) 2019-02-14 2025-02-26 R. Nussbaum AG Dispositif de fourniture d'eau chaude de consommation

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DE19724151A1 (de) * 1997-06-07 1998-12-10 Gaggenau Hausgeraete Gmbh Kühlgerät für den Haushalt
DE10142779A1 (de) * 2001-08-31 2003-03-27 Viessmann Werke Kg Kompaktheizgerät

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Publication number Priority date Publication date Assignee Title
WO2024188723A1 (fr) * 2023-03-16 2024-09-19 Sam 365 Gmbh Système de technologie domestique, groupe de systèmes de technologie domestique et procédé de commande d'un système de technologie domestique et/ou d'un groupe de systèmes de technologie domestique
WO2024188721A1 (fr) * 2023-03-16 2024-09-19 Sam 365 Gmbh Système de technologie domestique, groupe de systèmes de technologie domestique et procédé de commande d'un système de technologie domestique et/ou d'un groupe de systèmes de technologie domestique
EP4641097A1 (fr) * 2024-04-27 2025-10-29 Hansa Heiztechnik GmbH Système de gestion thermique destiné à être relié à une pompe à chaleur, système de chauffage associé et utilisation
EP4647673A1 (fr) * 2024-05-07 2025-11-12 Vaillant GmbH Procédé de rééquipement d'une installation de chauffage usagée, procédé de fonctionnement d'une installation de pompe à chaleur, installation de pompe à chaleur et produit-programme informatique

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DE102021111725A1 (de) 2022-11-10
EP4086524B1 (fr) 2025-04-23

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