EP2845956B1 - Drinking water installation system for buildings and a method for partially emptying a drinking water installation system - Google Patents

Drinking water installation system for buildings and a method for partially emptying a drinking water installation system Download PDF

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Publication number
EP2845956B1
EP2845956B1 EP14182615.6A EP14182615A EP2845956B1 EP 2845956 B1 EP2845956 B1 EP 2845956B1 EP 14182615 A EP14182615 A EP 14182615A EP 2845956 B1 EP2845956 B1 EP 2845956B1
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EP
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Prior art keywords
drinking water
line
supply line
module
secondary inlet
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EP14182615.6A
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German (de)
French (fr)
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EP2845956A1 (en
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ICB Innovations Center Bad GmbH and Co KG
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ICB Innovations Center Bad GmbH and Co KG
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/006—Arrangements or methods for cleaning or refurbishing water conduits
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/04—Domestic or like local pipe systems

Definitions

  • the invention relates to a drinking water installation arrangement for buildings according to the preamble of patent claim 1 and to a method for partial emptying of a drinking water installation unit in the area of a local supply line network.
  • a central supply main line and a local supply line network designed to connect the tapping points to the main supply line are known.
  • the supply line network comprises a separate circulation line for each drinking water consumer and a supply line guided from the circulation line to the consumer.
  • Each drinking water consumer is designed in the manner of a line blocking module.
  • an outer wall valve is known which is integrated into a removal fitting and is designed for venting the removal fitting.
  • Object of the present invention is therefore to develop a drinking water installation arrangement so that the requirements for a regular hygiene check of the drinking water and the required drinking water exchange in as possible simple manner can be realized inexpensively. It is also necessary to provide a method for carrying out the drinking water exchange.
  • the invention has the features of claim 1.
  • the particular advantage of the invention is that the requirements of the Drinking Water Ordinance can be met in a simple manner with a drinking water installation arrangement designed according to the invention.
  • the drinking water installation arrangement is structurally very simple and inexpensive to install.
  • the drinking water installation arrangement on the one hand spatially and on the other hand formally functional multi-part.
  • a differentiation is made between the main supply line connected to a water supply system, for example to the public drinking water network, and one or more supply line networks.
  • the main supply line is designed for example as a riser in a multi-family residential building. From the utility main branch utility networks.
  • a utility unit of the building for example an apartment within the building, is supplied with drinking water via the supply line networks.
  • a multi-family residential building can be provided so far from a common supply main line to the number of apartments corresponding number of supply line networks.
  • the supply line networks can always be designed in the same way or differ according to the spatial conditions and the functional equipment of the different apartments.
  • the functional separation of the drinking water installation arrangement results in the region of the junction of the circulation line and the secondary supply line of the supply line network.
  • the main supply line and the circulation line of the local supply line network are flowed through independently of the removal of drinking water in the local supply line network belonging to the circulation line.
  • the drinking water flows in the main supply line and in the circulation line of a provided on the ground floor supply line network, if the second floor drinking water is removed, which is provided via the common supply main line.
  • drinking water flows only when it is taken from a drinking water consumer of the local supply line network. In this respect, the risk that there is a deterioration in the quality of water in the secondary supply line, greater than in the main supply line or circulation line, in which the drinking water is often replaced.
  • the inventive drinking water installation arrangement makes it possible to ensure a regular exchange of drinking water in the entire drinking water installation arrangement.
  • the exchange of drinking water in the common supply main line and the circulation line of the local supply line network is already ensured by a drinking water removal in another local supply line network connected to the main supply line.
  • the secondary supply line can be emptied decentrally, that is to say separately for each local supply network.
  • the inflow of drinking water is interrupted from the main supply line by the line blocking module is moved to a closed position, and an extraction valve or a separate extraction module in the drinking water consumer is opened.
  • the venting module is opened so that the drinking water flows out of the secondary supply line via the removal module or the removal fitting of the drinking water consumer and is replaced by air.
  • the partial discharge of the secondary supply may be made by a tenant of a residential unit supplied with drinking water via a local utility network upon his return from a two-week vacation.
  • An impairment of drinking water quality can be counteracted by the user on his own responsibility, without the entire drinking water installation arrangement of the building flushed or the contained drinking water must be completely replaced.
  • the emptying process is particularly simple if the secondary supply line is at least partially laid near the ceiling.
  • the water in the drinking water consumer when opening in the tap fittings of drinking water consumer automatically exits as soon as the line blocking module locks the secondary supply line and the venting module is open.
  • the line blocking module locks the secondary supply line and the venting module is open.
  • the active promotion of drinking water in the secondary supply line in particular flushing or the like, can be completely dispensed with.
  • the secondary supply line is in this case partially provided in its horizontal course spaced from the floor above the drinking water consumer.
  • the secondary supply line can be provided in sections close to the floor space between a concrete ceiling and a suspended decorative ceiling which has been suspended as part of a modernization measure.
  • the secondary supply line and, in particular, the line blocking module assigned to the secondary supply line and the ventilation module are then accessible, for example, via an access flap which is provided in the decorative cover.
  • a flow resistance in particular a Venturi nozzle, is provided between the two connection points for the circulation line in the main supply line.
  • the line blocking module and the venting module can be formed spatially or functionally integrated.
  • the joint realization of the two modules ensures a compact design.
  • a realization As a common unit also reduces the installation effort, since only a single unit must be installed in the supply line.
  • the drinking water consumers are usually connected via a connection point provided at the end of the secondary supply line.
  • An outlet fitting of the drinking water consumer can either be connected directly to the connection point. This is the case for example with showers, bathtubs or toilet flushing.
  • the consumers of drinking water can be connected indirectly via their removal fitting to the connection point.
  • a removal module for example an angle valve with tapping point or sampling device, can be provided between the connection point of the supply line and the removal fitting.
  • a removal module in the form of an angle valve with tapping point or sampling device is provided, for example, if the removal fitting itself provides a riser section. This is the case for example with the sink.
  • the riser section provided in the removal fitting can be emptied in addition to the secondary supply line by removing the drinking water via the opened removal module.
  • the drinking water thus removed can be collected, for example, and examined in terms of laboratory hygiene with regard to its hygiene values.
  • the line blocking module and the venting module are provided in the region of the secondary supply line, if they are installed either in the secondary supply line itself, or if they are located between the circulation line on the one hand and the secondary supply line on the other.
  • the invention has the features of claim 9.
  • the procedure according to the invention for partial emptying of the local supply line network gives the resident of the residential unit the opportunity to autonomously and as needed, for example after a prolonged absence, empty the line sections of the drinking water installation arrangement lying in its access area and provide fresh drinking water for use.
  • a partial emptying of the main supply line and the circulation line of the supply line network is not required or provided if they are flushed at any drinking water extraction in another local supply network and an exchange of the provided there drinking water is guaranteed.
  • the secondary supply line can also be filled with fresh drinking water on its own responsibility.
  • the venting module and the removal fitting or the removal module are closed at the drinking water consumer and opened the line blocking module. Fresh drinking water then flows from the main supply line into the secondary supply line of the local supply line network.
  • the ventilation module can be closed while the removal module or the removal fitting of the consumer of drinking water remains temporarily open.
  • the line blocking module is opened, the fresh drinking water flows from the main supply line via the circulation line directly into the consumer side opened secondary supply line.
  • the removal fitting or the withdrawal module of drinking water consumers are closed.
  • the secondary supply line is now completely filled with drinking water.
  • the figure shows schematically a drinking water installation arrangement for a multi-family dwelling with a first main supply line 1 for hot water and a second main supply line 2 for cold water and to the main lines 1, 2 connected local supply line network 3 for a selected residential unit 22 in the local supply line network 3 is according to the embodiment of Drinking water installation arrangement a plurality of drinking water consumers, namely by way of example a shower 4, a bath 5, a hand basin 6, a washing machine 7, a toilet flush 8, a sink 9 and a dishwasher 10 assigned (provided with the reference number is representative each of the corresponding removal fitting of drinking water consumer , 5, 6, 7, 8, 9, 10).
  • the main supply lines 1, 2 are connected to a water supply system, not shown, for example, to the public drinking water network.
  • the illustrated drinking water installation arrangement is for example part of a building installation in a multi-family residential building.
  • a plurality of local supply line networks 3 is connected to the various floors of the house, which may be formed either identical or are designed differently according to the individual spatial and functional requirements.
  • the various drinking water consumers 4, 5, 6, 7, 8, 9, 10 are supplied as needed via a first secondary supply line 11 with hot water or via a second secondary supply line 12 with cold water.
  • the first secondary supply line 11 is connected via a first circulation line 13 and the second secondary supply line 12 via a second circulation line 14 to the main supply lines 1, 2.
  • the individual circulation line 13, 14 is connected in each case via a first connection point 15, 16 and a second connection point 17, 18 to the main supply line 1, 2. Between the connection points 15, 17 of the main supply line 1 for hot water and the connection points 16, 18 of the main supply line 2 for cold water, a flow resistance 19, 20 is provided in the form of a venturi.
  • the circulation lines 13, 14 and a horizontally extended portion of the secondary leads 11, 12 are provided close to the ceiling adjacent to an upper floor ceiling 21 of the housing unit 22.
  • a second section of the secondary supply line 11, 12 is respectively provided as a downpipe extending substantially vertically from the horizontal section of the secondary supply line 11, 12 to the drinking water consumer 4, 5, 6, 7, 8, 9, 10.
  • a spatially and functionally integrated unit 23, 24 is provided in the secondary supply line 11, 12, which comprises a line blocking module for the secondary supply line 11, 12 on the one hand and a ventilation module for the secondary supply line 11, 12 on the other.
  • the line blocking module serves to vent the part of the secondary supply line 11, 12 facing away from the circulation line 13, 14 to the drinking water consumer 4, 5, 6, 7, 8, 9, 10 with the line blocking module closed. It can also be opened in order to introduce 3 air into the secondary supply line 11, 12 at a partial emptying of the local supply line network.
  • a water meter 25, 26 is provided for individual and separate detection of hot water and cold water consumption in the local supply line network.
  • the local supply line network 3 is connected to the main supply line 1, 2.
  • the line lock module is opened, the venting module closed. If water is removed in the area of the shower 4, the bath 5, the hand wash basin 6, the washing machine 7, the toilet flush 8, the sink 9 or the dishwasher 10, drinking water flows from the associated main supply line 1, 2 via the circulation line 13, 14 into the secondary supply line 11, 12 to the corresponding drinking water consumer 4, 5, 6, 7, 8, 9, 10th
  • the circulation line 13, 14 and the main supply line 1, 2 flushed in the removal of drinking water in another local supply network 3, since at least a portion of the provided via the associated main supply line 1, 2 drinking water due to the flow resistance 19, 20 in the main supply line. 1 , 2 via the associated circulation line 13, 14 is guided.
  • An exchange of drinking water in the secondary supply line 11, 12 will not occur in the drinking water removal in a parallel supply line network 3. If, for example, drinking water was not removed from the local supply line network 3 due to a prolonged absence, there is a risk that, especially in the area of the secondary supply lines 11, 12, the quality of the water has deteriorated. In this case, it is necessary to ensure that the drinking water is replaced.
  • An exchange of drinking water in the main supply line 1, 2 and the circulation line 13, 14 is not required for prolonged non-withdrawal of drinking water from the drinking water consumers 4, 5, 6, 7, 8, 9, 10, since the drinking water exchange here by drinking water in other local supply line networks 3 is ensured.
  • the secondary supply lines 11, 12 associated line blocking module is closed and thus a separation between the drinking water consumers 4, 5, 6, 7, 8, 9, 10 and the main supply line 1, 2 realized. Furthermore, water is removed from the secondary supply line 11, 12 by opening the removal fittings of the drinking water consumers 4, 5, 6, 7, 8, 9, 10.
  • the ventilation module of the assembly 23, 24 is additionally opened. As a result of the installation near the ceiling of the horizontally extended portion of the secondary supply line 11, 12, the local supply line network 3 in the area between the unit 23, 24 and the drinking water consumers 4, 5, 6, 7, 8, 9, 10 partially emptied.
  • a special feature is found in the hand basin 6 and the sink 9.
  • a riser section is provided in the area of the removal fitting, that is, the connection of the drinking water consumers 6, 9 to the secondary supply line 11, 12 is realized via an integrated in the withdrawal fitting riser section.
  • a removal module 27 is provided below the riser consumer 6, 9 between a free end of the secondary supply line 11, 12, which defines a connection point for the riser consumers 6, 9, and the removal fitting of the riser consumer 6, 9.
  • the removal module 27 is an angle valve 27 with integrated tapping point or sampling device. For complete removal of the drinking water in the area of the riser consumers 6, 9, the removal module 27 is opened. When the removal module 27 is open, the remaining water column can also be removed in the region of the removal fitting of the riser consumer 6, 9 and the secondary supply line 11, 12.
  • the drinking water installation arrangement allows the secondary feed line 11, 12 of a local supply line network 3 to be emptied or refilled without other local supply line networks 3 being impaired in the same building.
  • the line blocking module 30 and the ventilation module may be provided in the housing unit 22 itself. The tenant or owner of the housing unit 22 can then carry out the partial emptying of the local supply line network 3 independently without consulting the janitor or another craftsman and without consultation with other residents.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Devices For Dispensing Beverages (AREA)

Description

Die Erfindung betrifft eine Trinkwasserinstallationsanordnung für Gebäude nach dem Oberbegriff des Patentanspruchs 1 sowie ein Verfahren zum Teilentleeren einer Trinkwasserinstallationseinheit im Bereich eines lokalen Versorgungsleitungsnetzwerks.The invention relates to a drinking water installation arrangement for buildings according to the preamble of patent claim 1 and to a method for partial emptying of a drinking water installation unit in the area of a local supply line network.

In den vergangenen Jahren ist die Anforderung an die Qualität und Überwachung von Trinkwasser erheblich gestiegen. Insbesondere die Neufassung der Trinkwasserverordnung in 2011 fordert von dem Betreiber einer gewerblich genutzten Trinkwasserinstallationsanordnung zusätzliche Anstrengungen zur Überwachung und Einhaltung der geforderten Trinkwasserqualität.In recent years, the requirement for quality and monitoring of drinking water has increased significantly. In particular, the revised version of the German Drinking Water Ordinance in 2011 calls for additional efforts by the operator of a commercially used drinking water installation arrangement to monitor and comply with the required drinking water quality.

Mit herkömmlichen Installationsanordnungen ist die Einhaltung der geänderten Vorgaben, insbesondere hinsichtlich des vollständigen Austauschs der in der Installationsanordnung vorgesehenen Trinkwassers nur mit erheblichem Aufwand zu erreichen. Werden Trinkwasserverbraucher wie Waschbecken, Toilette, Dusche, Waschmaschine oder dergleichen wie üblich über eine Zuleitung versorgt, welche im Bereich des Fußbodens horizontal verteilt wird und in unmittelbarer Nähe des Trinkwasserverbrauchers als eine im Wesentlichen vertikal orientierte Steigleitung vorgesehen ist, bedarf es Mittel zum aktiven Durchspülen des Rohrleitungssystems, beispielsweise einer zusätzlichen Pumpenanordnung, zur Gewährleistung eines regelmäßigen Austauschs des in der Installationsanordnung vorgesehenen Trinkwassers beziehungsweise einer vollständigen Entleerung bei Nichtnutzung. Alternativ ist bekannt, die verschiedenen Trinkwasserverbraucher über Zirkulationsleitungen anzuschließen (VDI-Buch "Gebäudetechnik für Trinkwasser", Springer 2012). Hierbei ergibt sich ein erhöhter Installationsaufwand, da eine Zuleitung und eine Ableitung zu jedem einzelnen Trinkwasserverbraucher vorzusehen ist. Sofern bei einem Waschbecken, einer Dusche oder der Badewanne Kaltwasser und Warmwasser zur Verfügung gestellt werden muss, müssen in diesem Fall vier Leitungen zu dem entsprechenden Trinkwasserverbraucher geführt werden. Weiter ist aus der DE 10 2004 030 712 B4 bekannt, Trinkwasserverbraucher über eine abschnittsweise im Bereich der Raumdecke geführte Zuleitung mit Trinkwasser zu versorgen. Hierbei ist der letzte Leitungsabschnitt von der Raumdecke bis zum Trinkwasserverbraucher als Fallleitung ausgeführt. Möglichkeiten zum kontrollierten und zugleich wirtschaftlichen Austausch des in der Installationsanordnung vorgesehenen Trinkwassers sind auch hier nicht realisiert.
Aus der DE 93 02 446 U1 ist eine Trinkwasserinstallationsanordnung mit einer Mehrzahl von Entnahmestellen bekannt. Es ist hierbei eine zentrale Versorgungshauptleitung und ein zum Anschließen der Entnahmestellen an die Versorgungshauptleitung ausgebildetes lokales Versorgungsleitungsnetzwerk bekannt. Das Versorgungsleitungsnetzwerk umfasst für jeden Trinkwasserverbraucher eine eigene Zirkulationsleitung und eine von der Zirkulationsleitung zu dem Verbraucher geführte Zuleitung. Dabei ist jeder Trinkwasserverbraucher nach Art eines Leitungssperrmoduls ausgebildet.
Aus der DE 20 2011 102 932 U1 ist ein Außenwandventil bekannt, welches in eine Entnahmearmatur integriert ist und ausgebildet ist zum Entlüften der Entnahmearmatur.With conventional installation arrangements compliance with the amended requirements, in particular with regard to the complete replacement of the planned drinking water in the installation arrangement can be achieved only with considerable effort. Are drinking water consumers such as sink, toilet, shower, washing machine or the like supplied as usual via a supply line, which is distributed horizontally in the area of the floor and in the immediate vicinity of the drinking water consumer as a is provided substantially vertically oriented riser, it requires means for active flushing of the piping system, such as an additional pump assembly, to ensure a regular replacement of provided in the installation arrangement drinking water or a complete emptying when not in use. Alternatively, it is known to connect the various drinking water consumers via circulation pipes (VDI book "building technology for drinking water", Springer 2012). This results in an increased installation effort, since a supply line and a drain is provided to each individual consumer of drinking water. If cold water and hot water must be made available in the case of a washbasin, a shower or a bathtub, four lines must be routed to the corresponding drinking water consumer in this case. Next is from the DE 10 2004 030 712 B4 It is known to supply drinking water consumers with drinking water via a supply line which is guided in sections in the area of the ceiling. Here, the last line section from the ceiling to the drinking water consumer is designed as a downpipe. Possibilities for controlled and at the same time economic exchange of provided in the installation arrangement drinking water are not realized here.
From the DE 93 02 446 U1 is a drinking water installation arrangement with a plurality of withdrawal points known. In this case, a central supply main line and a local supply line network designed to connect the tapping points to the main supply line are known. The supply line network comprises a separate circulation line for each drinking water consumer and a supply line guided from the circulation line to the consumer. Each drinking water consumer is designed in the manner of a line blocking module.
From the DE 20 2011 102 932 U1 an outer wall valve is known which is integrated into a removal fitting and is designed for venting the removal fitting.

Dokument DE9302446 wird als nächstliegender Stand der Technik angesehen. Dieses Dokument entspricht dem Oberbegriff des Anspruchs 1.document DE9302446 is considered to be the closest prior art. This document corresponds to the preamble of claim 1.

Aufgabe der vorliegenden Erfindung ist es daher, eine Trinkwasserinstallationsanordnung so weiterzubilden, dass die Vorgaben hinsichtlich einer regelmäßigen Hygiene-überprüfung des Trinkwassers und des geforderten Trinkwasseraustauschs in möglichst einfacher Weise kostengünstig realisiert werden können. Ferner gilt es, ein Verfahren zum Durchführen des Trinkwasseraustauschs bereitzustellen.Object of the present invention is therefore to develop a drinking water installation arrangement so that the requirements for a regular hygiene check of the drinking water and the required drinking water exchange in as possible simple manner can be realized inexpensively. It is also necessary to provide a method for carrying out the drinking water exchange.

Zur Lösung der Aufgabe weist die Erfindung die Merkmale des Patentanspruchs 1 auf.To achieve the object, the invention has the features of claim 1.

Der besondere Vorteil der Erfindung besteht darin, dass den Anforderungen der Trinkwasserverordnung mit einer erfindungsgemäß ausgebildeten Trinkwasserinstallationsanordnung in einfacher Weise entsprochen werden kann. Die Trinkwasserinstallationsanordnung ist hierbei konstruktiv sehr einfach ausgebildet und kostengünstig zu installieren. Insbesondere ist vorgesehen, die Trinkwasserinstallationsanordnung einerseits räumlich und andererseits funktional mehrteilig auszubilden.The particular advantage of the invention is that the requirements of the Drinking Water Ordinance can be met in a simple manner with a drinking water installation arrangement designed according to the invention. The drinking water installation arrangement is structurally very simple and inexpensive to install. In particular, it is provided that the drinking water installation arrangement on the one hand spatially and on the other hand formally functional multi-part.

Bei der räumlichen Unterteilung der Trinkwasserinstallationsanordnung wird zwischen der an eine Wasserversorgungsanlage, beispielsweise an das öffentliche Trinkwassernetz, angeschlossenen Versorgungshauptleitung einerseits und einem oder mehreren Versorgungsleitungsnetzwerken andererseits unterschieden. Die Versorgungshauptleitung ist beispielsweise als Steigleitung in einem Mehrfamilienwohnhaus ausgeführt. Von der Versorgungshauptleitung zweigen Versorgungsleitungsnetzwerke ab. Über die Versorgungsleitungsnetzwerke wird eine Nutzungseinheit des Gebäudes, beispielsweise eine Wohnung innerhalb des Gebäudes, mit Trinkwasser versorgt. In einem Mehrfamilienwohnhaus können insofern von einer gemeinsamen Versorgungshauptleitung eine zu der Anzahl der Wohnungen korrespondierende Anzahl von Versorgungsleitungsnetzwerken vorgesehen werden. Die Versorgungsleitungsnetzwerke können in stets gleicher Weise ausgebildet sein oder sich entsprechend den räumlichen Gegebenheiten und der funktionalen Ausstattung der verschiedenen Wohnungen unterscheiden.In the spatial subdivision of the drinking water installation arrangement, a differentiation is made between the main supply line connected to a water supply system, for example to the public drinking water network, and one or more supply line networks. The main supply line is designed for example as a riser in a multi-family residential building. From the utility main branch utility networks. A utility unit of the building, for example an apartment within the building, is supplied with drinking water via the supply line networks. In a multi-family residential building can be provided so far from a common supply main line to the number of apartments corresponding number of supply line networks. The supply line networks can always be designed in the same way or differ according to the spatial conditions and the functional equipment of the different apartments.

Die funktionale Trennung der Trinkwasserinstallationsanordnung ergibt sich im Bereich der Verbindungsstelle von Zirkulationsleitung und sekundärer Zuleitung des Versorgungsleitungsnetzwerks. Die Versorgungshauptleitung sowie die Zirkulationsleitung des lokalen Versorgungsleitungsnetzwerks werden unabhängig von der Entnahme von Trinkwasser in dem zu der Zirkulationsleitung gehörenden lokalen Versorgungsleitungsnetzwerk durchströmt. Beispielsweise fließt das Trinkwasser in der Versorgungshauptleitung sowie in der Zirkulationsleitung eines im Erdgeschoss vorgesehenen Versorgungsleitungsnetzwerks, wenn im zweiten Obergeschoss Trinkwasser entnommen wird, welches über die gemeinsame Versorgungshauptleitung bereitgestellt wird. In der sekundären Zuleitung fließt Trinkwasser nur, wenn dieses über einen Trinkwasserverbraucher des lokalen Versorgungsleitungsnetzwerks entnommen wird. Insofern ist die Gefahr, dass es in der sekundären Zuleitung zu einer Beeinträchtigung der Wasserqualität kommt, größer als in der Versorgungshauptleitung oder Zirkulationsleitung, in der das Trinkwasser häufig ausgetauscht wird.The functional separation of the drinking water installation arrangement results in the region of the junction of the circulation line and the secondary supply line of the supply line network. The main supply line and the circulation line of the local supply line network are flowed through independently of the removal of drinking water in the local supply line network belonging to the circulation line. For example, the drinking water flows in the main supply line and in the circulation line of a provided on the ground floor supply line network, if the second floor drinking water is removed, which is provided via the common supply main line. In the secondary supply, drinking water flows only when it is taken from a drinking water consumer of the local supply line network. In this respect, the risk that there is a deterioration in the quality of water in the secondary supply line, greater than in the main supply line or circulation line, in which the drinking water is often replaced.

Durch die erfindungsgemäße Trinkwasserinstallationsanordnung besteht die Möglichkeit, einen regelmäßigen Trinkwasseraustausch in der gesamten Trinkwasserinstallationsanordnung zu gewährleisten. Der Trinkwasseraustausch in der gemeinsamen Versorgungshauptleitung und der Zirkulationsleitung des lokalen Versorgungsleitungsnetzwerks wird bereits durch eine Trinkwasserentnahme in einem anderen an die Versorgungshauptleitung angeschlossenen lokalen Versorgungsleitungsnetzwerk gewährleistet. Die sekundäre Zuleitung kann darüber hinaus dezentral, das heißt für jedes lokale Versorgungsleitungsnetzwerk getrennt, entleert werden. Hierzu wird der Zufluss von Trinkwasser aus der Versorgungshauptleitung unterbrochen, indem das Leitungssperrmodul in eine Schließstellung verbracht wird, und eine Entnahmearmatur oder ein separates Entnahmemodul im Bereich des Trinkwasserverbrauchers geöffnet wird. Weiter wird das Entlüftungsmodul geöffnet, sodass das Trinkwasser über das Entnahmemodul beziehungsweise die Entnahmearmatur des Trinkwasserverbrauchers aus der sekundären Zuleitung ausströmt und durch Luft ersetzt wird. Beispielsweise kann die Teilentleerung der sekundären Zuleitung von einem Mieter einer über ein lokales Versorgungsleitungsnetzwerk mit Trinkwasser versorgten Wohneinheit vorgenommen werden nach dessen Rückkehr aus einem zweiwöchigen Urlaubsaufenthalt. Einer Beeinträchtigung der Trinkwasserqualität kann durch den Benutzer eigenverantwortlich entgegengewirkt werden, ohne dass die gesamte Trinkwasserinstallationsanordnung des Gebäudes gespült beziehungsweise das darin enthaltene Trinkwasser vollständig ausgetauscht werden muss.The inventive drinking water installation arrangement makes it possible to ensure a regular exchange of drinking water in the entire drinking water installation arrangement. The exchange of drinking water in the common supply main line and the circulation line of the local supply line network is already ensured by a drinking water removal in another local supply line network connected to the main supply line. In addition, the secondary supply line can be emptied decentrally, that is to say separately for each local supply network. For this purpose, the inflow of drinking water is interrupted from the main supply line by the line blocking module is moved to a closed position, and an extraction valve or a separate extraction module in the drinking water consumer is opened. Next, the venting module is opened so that the drinking water flows out of the secondary supply line via the removal module or the removal fitting of the drinking water consumer and is replaced by air. For example, the partial discharge of the secondary supply may be made by a tenant of a residential unit supplied with drinking water via a local utility network upon his return from a two-week vacation. An impairment of drinking water quality can be counteracted by the user on his own responsibility, without the entire drinking water installation arrangement of the building flushed or the contained drinking water must be completely replaced.

Besonders einfach gestaltet sich der Entleerungsvorgang, wenn die sekundäre Zuleitung wenigstens abschnittsweise raumdeckennah verlegt ist. In diesem Fall tritt das Wasser im Bereich der Trinkwasserverbraucher beim Öffnen in den Entnahmearmaturen der Trinkwasserverbraucher selbsttätig aus, sobald das Leitungssperrmodul die sekundäre Zuleitung sperrt und das Entlüftungsmodul geöffnet ist. Auf Mittel zur aktiven Förderung des Trinkwassers im Bereich der sekundären Zuleitung, insbesondere auf Spülungen oder dergleichen, kann dann vollständig verzichtet werden. Vorteilhaft werden zusammen mit Teilen der sekundären Zuleitung auch das Leitungssperrmodul und/oder das Entlüftungsmodul raumdeckennah installiert.The emptying process is particularly simple if the secondary supply line is at least partially laid near the ceiling. In this case, the water in the drinking water consumer when opening in the tap fittings of drinking water consumer automatically exits as soon as the line blocking module locks the secondary supply line and the venting module is open. On means for the active promotion of drinking water in the secondary supply line, in particular flushing or the like, can be completely dispensed with. Advantageously, along with parts of the secondary supply line and the line blocking module and / or the ventilation module installed raumdeckennah.

Eine raumdeckennahe Installation ist im Verständnis der Erfindung immer dann realisiert, wenn ein Trinkwasserverbraucher über eine Fallleitung, das heißt von oben mit Trinkwasser versorgt wird. Die sekundäre Zuleitung ist in diesem Fall abschnittsweise in ihrem horizontalen Verlauf beabstandet vom Fußboden oberhalb der Trinkwasserverbraucher vorgesehen. Beispielsweise kann die sekundäre Zuleitung abschnittsweise raumdeckennah zwischen einer Betondecke und einer abgehangenen, im Rahmen einer Modernisierungsmaßnahme nachträglich eingebrachten Dekordecke vorgesehen sein. Die sekundäre Zuleitung und insbesondere das der sekundären Zuleitung zugeordnete Leitungssperrmodul sowie das Entlüftungsmodul sind dann beispielsweise über eine Revisionsklappe, welche in der Dekordecke vorgesehen ist, zugänglich.An installation close to the floor space is always realized in the understanding of the invention when a drinking water consumer is supplied with drinking water via a downpipe, that is to say from above. The secondary supply line is in this case partially provided in its horizontal course spaced from the floor above the drinking water consumer. By way of example, the secondary supply line can be provided in sections close to the floor space between a concrete ceiling and a suspended decorative ceiling which has been suspended as part of a modernization measure. The secondary supply line and, in particular, the line blocking module assigned to the secondary supply line and the ventilation module are then accessible, for example, via an access flap which is provided in the decorative cover.

Nach einer Weiterbildung der Erfindung ist zwischen den zwei Anschlusspunkten für die Zirkulationsleitung in der Versorgungshauptleitung ein Strömungswiderstand, insbesondere eine Venturidüse, vorgesehen. Durch das Vorsehen des Strömungswiderstands in der Versorgungshauptleitung wird gewährleistet, dass die Zirkulationsleitung, welche sich parallel zu dem Strömungswiderstand ausbildet, vom Trinkwasser durchströmt wird, wenn Trinkwasser in der Versorgungshauptleitung strömt beziehungsweise in einem weiteren lokalen Versorgungsleitungsnetzwerk Trinkwasser entnommen wird.According to a development of the invention, a flow resistance, in particular a Venturi nozzle, is provided between the two connection points for the circulation line in the main supply line. By providing the flow resistance in the main supply line ensures that the circulation line, which is formed parallel to the flow resistance, is flowed through by the drinking water when drinking water flows in the main supply line or in another local supply line network drinking water is removed.

Insbesondere können das Leitungssperrmodul und das Entlüftungsmodul räumlich beziehungsweise funktional integriert ausgebildet sein. Die gemeinsame Realisierung der beiden Module gewährleistet einen kompakten Aufbau. Insbesondere bei einer Realisierung als gemeinsame Baueinheit reduziert sich zudem der Installationsaufwand, da nur eine einzige Baueinheit in die Zuleitung eingebaut werden muss.In particular, the line blocking module and the venting module can be formed spatially or functionally integrated. The joint realization of the two modules ensures a compact design. In particular, in a realization As a common unit also reduces the installation effort, since only a single unit must be installed in the supply line.

Die Trinkwasserverbraucher werden üblicherweise über einen an der sekundären Zuleitung endseitig bereitgestellten Anschlusspunkt angeschlossen. Eine Entnahmearmatur des Trinkwasserverbrauchers kann dabei entweder unmittelbar an den Anschlusspunkt angeschlossen werden. Dies ist beispielsweise bei Duschen, Badewannen oder der Toilettenspülung der Fall. Ebenso können die Trinkwasserverbraucher über ihre Entnahmearmatur mittelbar an den Anschlusspunkt angeschlossen werden. Es kann insbesondere ein Entnahmemodul, beispielsweise ein Eckventil mit Zapfstelle beziehungsweise Beprobungseinrichtung, zwischen dem Anschlusspunkt der Zuleitung und der Entnahmearmatur vorgesehen sein. Ein derartiges Entnahmemodul in Form eines Eckventils mit Zapfstelle beziehungsweise Beprobungseinrichtung wird beispielsweise vorgesehen, wenn die Entnahmearmatur selbst einen Steigleitungsabschnitt vorsieht. Dies ist beispielsweise beim Waschbecken der Fall. Hier kann der in der Entnahmearmatur vorgesehene Steigleitungsabschnitt zusätzlich zu der sekundären Zuleitung entleert werden, indem das Trinkwasser über das geöffnete Entnahmemodul entnommen wird. Das so entnommene Trinkwasser kann beispielsweise aufgefangen und hinsichtlich seiner Hygienewerte labortechnisch untersucht werden.The drinking water consumers are usually connected via a connection point provided at the end of the secondary supply line. An outlet fitting of the drinking water consumer can either be connected directly to the connection point. This is the case for example with showers, bathtubs or toilet flushing. Likewise, the consumers of drinking water can be connected indirectly via their removal fitting to the connection point. In particular, a removal module, for example an angle valve with tapping point or sampling device, can be provided between the connection point of the supply line and the removal fitting. Such a removal module in the form of an angle valve with tapping point or sampling device is provided, for example, if the removal fitting itself provides a riser section. This is the case for example with the sink. Here, the riser section provided in the removal fitting can be emptied in addition to the secondary supply line by removing the drinking water via the opened removal module. The drinking water thus removed can be collected, for example, and examined in terms of laboratory hygiene with regard to its hygiene values.

Im Sinne der Erfindung sind das Leitungssperrmodul und das Entlüftungsmodul im Bereich der sekundären Zuleitung vorgesehen, wenn sie entweder in die sekundäre Zuleitung selbst eingebaut sind, oder wenn sie sich zwischen der Zirkulationsleitung einerseits und der sekundären Zuleitung andererseits befinden.According to the invention, the line blocking module and the venting module are provided in the region of the secondary supply line, if they are installed either in the secondary supply line itself, or if they are located between the circulation line on the one hand and the secondary supply line on the other.

Zur Lösung der Aufgabe weist die Erfindung die Merkmale des Patentanspruchs 9 auf.To achieve the object, the invention has the features of claim 9.

Vorteilhaft wird durch die erfindungsgemäße Vorgehensweise zum Teilentleeren des lokalen Versorgungsleitungsnetzwerks dem Bewohner der Wohneinheit die Möglichkeit gegeben, eigenverantwortlich und bedarfsgerecht, beispielsweise nach längerer Abwesenheit, die in seinem Zugriffsbereich liegenden Leitungsabschnitte der Trinkwasserinstallationsanordnung zu entleeren und frisches Trinkwasser für den Gebrauch vorzusehen. Eine Teilentleerung der Versorgungshauptleitung und der Zirkulationsleitung des Versorgungsleitungsnetzwerks ist nicht erforderlich beziehungsweise vorgesehen, wenn diese bei einer beliebigen Trinkwasserentnahme auch in einem anderen lokalen Versorgungsleitungsnetzwerk gespült werden und ein Austausch des dort vorgesehenen Trinkwassers gewährleistet ist.Advantageously, the procedure according to the invention for partial emptying of the local supply line network gives the resident of the residential unit the opportunity to autonomously and as needed, for example after a prolonged absence, empty the line sections of the drinking water installation arrangement lying in its access area and provide fresh drinking water for use. A partial emptying of the main supply line and the circulation line of the supply line network is not required or provided if they are flushed at any drinking water extraction in another local supply network and an exchange of the provided there drinking water is guaranteed.

Ebenfalls eigenverantwortlich kann die sekundäre Zuleitung mit frischem Trinkwasser befüllt werden. Zu diesem Zweck werden das Entlüftungsmodul sowie die Entnahmearmatur beziehungsweise das Entnahmemodul am Trinkwasserverbraucher geschlossen und das Leitungssperrmodul geöffnet. Aus der Versorgungshauptleitung strömt dann frisches Trinkwasser in die sekundäre Zuleitung des lokalen Versorgungsleitungsnetzwerks.The secondary supply line can also be filled with fresh drinking water on its own responsibility. For this purpose, the venting module and the removal fitting or the removal module are closed at the drinking water consumer and opened the line blocking module. Fresh drinking water then flows from the main supply line into the secondary supply line of the local supply line network.

Beispielsweise kann in einem ersten Schritt zur Wiederbefüllung der sekundären Zuleitung das Entlüftungsmodul geschlossen werden, während das Entnahmemodul beziehungsweise die Entnahmearmatur des Trinkwasserverbrauchers temporär geöffnet bleiben. Wird nun das Leitungssperrmodul geöffnet, fließt das frische Trinkwasser aus der Versorgungshauptleitung über die Zirkulationsleitung unmittelbar in die verbraucherseitig geöffnete sekundäre Zuleitung ein. Sobald das Wasser entnahmeseitig austritt, kann die Entnahmearmatur beziehungsweise das Entnahmemodul des Trinkwasserverbrauchers geschlossen werden. Die sekundäre Zuleitung ist nunmehr vollständig mit Trinkwasser gefüllt.For example, in a first step for refilling the secondary supply line, the ventilation module can be closed while the removal module or the removal fitting of the consumer of drinking water remains temporarily open. Now, if the line blocking module is opened, the fresh drinking water flows from the main supply line via the circulation line directly into the consumer side opened secondary supply line. As soon as the water emerges on the discharge side, can the removal fitting or the withdrawal module of drinking water consumers are closed. The secondary supply line is now completely filled with drinking water.

Aus den weiteren Unteransprüchen und der nachfolgenden Beschreibung sind weitere Vorteile, Merkmale und Einzelheiten der Erfindung zu entnehmen. Dort erwähnte Merkmale können jeweils einzeln für sich oder auch in beliebiger Kombination erfindungswesentlich sein. Erfindungsgemäß beschriebene Merkmale und Details der Trinkwasserinstallationsanordnung gelten selbstverständlich auch im Zusammenhang mit dem erfindungsgemäßen Verfahren und umgekehrt. So kann auf die Offenbarung zu den einzelnen Erfindungsaspekten stets wechselseitig Bezug genommen werden. Die Zeichnung dient lediglich beispielhaft der Klarstellung der Erfindung und hat keinen einschränkenden Charakter.From the other dependent claims and the following description further advantages, features and details of the invention can be found. There mentioned features may be essential to the invention individually or in any combination. Of course, features and details of the drinking water installation arrangement described in accordance with the invention also apply in connection with the method according to the invention and vice versa. Thus, the disclosure of the individual aspects of the invention can always be referenced reciprocally. The drawing is merely illustrative of the clarification of the invention and has no limiting character.

Die Figur zeigt schematisch eine Trinkwasserinstallationsanordnung für ein Mehrfamilienwohnhaus mit einer ersten Versorgungshauptleitung 1 für Warmwasser und einer zweiten Versorgungshauptleitung 2 für Kaltwasser sowie einem an die Versorgungshauptleitungen 1, 2 angeschlossenen lokalen Versorgungsleitungsnetzwerk 3 für eine ausgewählte Wohneinheit 22. Im lokalen Versorgungsleitungsnetzwerk 3 ist nach dem Ausführungsbeispiel der Trinkwasserinstallationsanordnung eine Mehrzahl von Trinkwasserverbrauchern, nämlich exemplarisch eine Dusche 4, eine Badewanne 5, ein Handwaschbecken 6, eine Waschmaschine 7, eine Toilettenspülung 8, ein Spülbecken 9 sowie eine Geschirrspülmaschine 10 zugeordnet (mit dem Bezugszeichen versehen ist stellvertretend jeweils die entsprechende Entnahmearmatur des Trinkwasserverbrauchers 4, 5, 6, 7, 8, 9, 10). Die Versorgungshauptleitungen 1, 2 sind an eine nicht dargestellte Wasserversorgungsanlage, beispielsweise an das öffentliche Trinkwassernetz, angeschlossen.The figure shows schematically a drinking water installation arrangement for a multi-family dwelling with a first main supply line 1 for hot water and a second main supply line 2 for cold water and to the main lines 1, 2 connected local supply line network 3 for a selected residential unit 22 in the local supply line network 3 is according to the embodiment of Drinking water installation arrangement a plurality of drinking water consumers, namely by way of example a shower 4, a bath 5, a hand basin 6, a washing machine 7, a toilet flush 8, a sink 9 and a dishwasher 10 assigned (provided with the reference number is representative each of the corresponding removal fitting of drinking water consumer , 5, 6, 7, 8, 9, 10). The main supply lines 1, 2 are connected to a water supply system, not shown, for example, to the public drinking water network.

Die dargestellte Trinkwasserinstallationsanordnung ist beispielsweise Teil einer Gebäudeinstallation in einem Mehrfamilienwohnhaus. An die Versorgungshauptleitungen 1, 2 ist auf den verschiedenen Etagen des Wohnhauses eine Mehrzahl von lokalen Versorgungsleitungsnetzwerken 3 angeschlossen, die entweder identisch ausgebildet sein können oder nach den individuellen räumlichen und funktionalen Anforderungen verschiedenartig ausgebildet sind.The illustrated drinking water installation arrangement is for example part of a building installation in a multi-family residential building. To the main supply lines 1, 2 a plurality of local supply line networks 3 is connected to the various floors of the house, which may be formed either identical or are designed differently according to the individual spatial and functional requirements.

Die verschiedenen Trinkwasserverbraucher 4, 5, 6, 7, 8, 9, 10 sind bedarfsgerecht über eine erste sekundäre Zuleitung 11 mit Warmwasser beziehungsweise über eine zweite sekundäre Zuleitung 12 mit Kaltwasser versorgt. Die erste sekundäre Zuleitung 11 ist über eine erste Zirkulationsleitung 13 und die zweite sekundäre Zuleitung 12 über eine zweite Zirkulationsleitung 14 an die Versorgungshauptleitungen 1, 2 angeschlossen.The various drinking water consumers 4, 5, 6, 7, 8, 9, 10 are supplied as needed via a first secondary supply line 11 with hot water or via a second secondary supply line 12 with cold water. The first secondary supply line 11 is connected via a first circulation line 13 and the second secondary supply line 12 via a second circulation line 14 to the main supply lines 1, 2.

Die einzelne Zirkulationsleitung 13, 14 ist jeweils über einen ersten Anschlusspunkt 15, 16 und einen zweiten Anschlusspunkt 17, 18 mit der Versorgungshauptleitung 1, 2 verbunden. Zwischen den Anschlusspunkten 15, 17 der Versorgungshauptleitung 1 für Warmwasser und den Anschlusspunkten 16, 18 der Versorgungshauptleitung 2 für Kaltwasser ist jeweils ein Strömungswiderstand 19, 20 in Form einer Venturidüse vorgesehen. Die Zirkulationsleitungen 13, 14 sowie ein horizontal erstreckter Abschnitt der sekundären Zuleitungen 11, 12 sind raumdeckennah benachbart zu einer oberen Geschossdecke 21 der Wohneinheit 22 vorgesehen. Ein zweiter Abschnitt der sekundären Zuleitung 11, 12 ist jeweils als Fallleitung im Wesentlichen vertikal erstreckt von dem horizontalen Abschnitt der sekundären Zuleitung 11, 12 bis zum Trinkwasserverbraucher 4, 5, 6, 7, 8, 9, 10 vorgesehen.The individual circulation line 13, 14 is connected in each case via a first connection point 15, 16 and a second connection point 17, 18 to the main supply line 1, 2. Between the connection points 15, 17 of the main supply line 1 for hot water and the connection points 16, 18 of the main supply line 2 for cold water, a flow resistance 19, 20 is provided in the form of a venturi. The circulation lines 13, 14 and a horizontally extended portion of the secondary leads 11, 12 are provided close to the ceiling adjacent to an upper floor ceiling 21 of the housing unit 22. A second section of the secondary supply line 11, 12 is respectively provided as a downpipe extending substantially vertically from the horizontal section of the secondary supply line 11, 12 to the drinking water consumer 4, 5, 6, 7, 8, 9, 10.

Benachbart zu der Zirkulationsleitung 13, 14 ist in der sekundären Zuleitung 11, 12 eine räumlich sowie funktional integrierte Baueinheit 23, 24 vorgesehen, welche ein Leitungssperrmodul für die sekundäre Zuleitung 11, 12 einerseits sowie ein Entlüftungsmodul für die sekundäre Zuleitung 11, 12 andererseits umfasst. Mittels des Leitungssperrmoduls kann die sekundäre Zuleitung 11, 12 von der Zirkulationsleitung 13, 14 und der hiermit verbundenen Versorgungshauptleitung 1, 2 getrennt werden. Das Entlüftungsmodul dient dazu, den der Zirkulationsleitung 13, 14 abgewandten Teil der sekundären Zuleitung 11, 12 bis zu dem Trinkwasserverbraucher 4, 5, 6, 7, 8, 9, 10 bei geschlossenem Leitungssperrmodul zu entlüften. Es kann zudem geöffnet werden, um bei einer Teilentleerung des lokalen Versorgungsleitungsnetzwerks 3 Luft in die sekundäre Zuleitung 11, 12 einzubringen.Adjacent to the circulation line 13, 14, a spatially and functionally integrated unit 23, 24 is provided in the secondary supply line 11, 12, which comprises a line blocking module for the secondary supply line 11, 12 on the one hand and a ventilation module for the secondary supply line 11, 12 on the other. By means of the line blocking module, the secondary supply line 11, 12 of the circulation line 13, 14 and the associated main supply line 1, 2 are separated. The venting module serves to vent the part of the secondary supply line 11, 12 facing away from the circulation line 13, 14 to the drinking water consumer 4, 5, 6, 7, 8, 9, 10 with the line blocking module closed. It can also be opened in order to introduce 3 air into the secondary supply line 11, 12 at a partial emptying of the local supply line network.

Weiter ist auf der der Zirkulationsleitung 13, 14 abgewandten Seite der Baueinheit 23, 24 ein Wasserzähler 25, 26 vorgesehen zur individuellen und getrennten Erfassung des Warmwasser- und Kaltwasserverbrauchs in dem lokalen Versorgungsleitungsnetzwerk.Further, on the side facing away from the circulation line 13, 14 of the assembly 23, 24, a water meter 25, 26 is provided for individual and separate detection of hot water and cold water consumption in the local supply line network.

Während des normalen Betriebs ist das lokale Versorgungsleitungsnetzwerk 3 an die Versorgungshauptleitung 1, 2 angeschlossen. Das Leitungssperrmodul ist hierbei geöffnet, das Entlüftungsmodul geschlossen. Erfolgt eine Wasserentnahme im Bereich der Dusche 4, der Badewanne 5, des Handwaschbeckens 6, der Waschmaschine 7, der Toilettenspülung 8, des Spülbeckens 9 beziehungsweise des Geschirrspülers 10, fließt Trinkwasser aus der zugeordneten Versorgungshauptleitung 1, 2 über die Zirkulationsleitung 13, 14 in die sekundäre Zuleitung 11, 12 bis zum entsprechenden Trinkwasserverbraucher 4, 5, 6, 7, 8, 9, 10.During normal operation, the local supply line network 3 is connected to the main supply line 1, 2. The line lock module is opened, the venting module closed. If water is removed in the area of the shower 4, the bath 5, the hand wash basin 6, the washing machine 7, the toilet flush 8, the sink 9 or the dishwasher 10, drinking water flows from the associated main supply line 1, 2 via the circulation line 13, 14 into the secondary supply line 11, 12 to the corresponding drinking water consumer 4, 5, 6, 7, 8, 9, 10th

Ebenfalls werden die Zirkulationsleitung 13, 14 und die Versorgungshauptleitung 1, 2 bei der Entnahme von Trinkwasser in einem anderen lokalen Versorgungsleitungsnetzwerk 3 durchspült, da wenigstens ein Teil des über die zugeordnete Versorgungshauptleitung 1, 2 bereitgestellten Trinkwassers aufgrund des Strömungswiderstands 19, 20 in der Versorgungshauptleitung 1, 2 über die zugeordnete Zirkulationsleitung 13, 14 geführt wird. Ein Austausch des Trinkwassers in der sekundären Zuleitung 11, 12 wird bei der Trinkwasserentnahme in einem parallelen Versorgungsleitungsnetzwerk 3 jedoch nicht erfolgen. So beispielsweise aufgrund einer längeren Abwesenheit Trinkwasser aus dem lokalen Versorgungsleitungsnetzwerk 3 nicht entnommen wurde, besteht die Gefahr, dass sich insbesondere im Bereich der sekundären Zuleitungen 11, 12 eine Beeinträchtigung der Wasserqualität ergeben hat. Hier ist es insofern geboten, für einen Austausch des Trinkwassers zu sorgen. Ein Austausch des Trinkwassers in der Versorgungshauptleitung 1, 2 beziehungsweise der Zirkulationsleitung 13, 14 ist demgegenüber auch bei längerer Nichtentnahme von Trinkwasser aus den Trinkwasserverbrauchern 4, 5, 6, 7, 8, 9, 10 nicht erforderlich, da der Trinkwasseraustausch hier durch Trinkwasserentnahme in anderen lokalen Versorgungsleitungsnetzwerken 3 gewährleistet ist.Also, the circulation line 13, 14 and the main supply line 1, 2 flushed in the removal of drinking water in another local supply network 3, since at least a portion of the provided via the associated main supply line 1, 2 drinking water due to the flow resistance 19, 20 in the main supply line. 1 , 2 via the associated circulation line 13, 14 is guided. An exchange of drinking water in the secondary supply line 11, 12 will not occur in the drinking water removal in a parallel supply line network 3. If, for example, drinking water was not removed from the local supply line network 3 due to a prolonged absence, there is a risk that, especially in the area of the secondary supply lines 11, 12, the quality of the water has deteriorated. In this case, it is necessary to ensure that the drinking water is replaced. An exchange of drinking water in the main supply line 1, 2 and the circulation line 13, 14 is not required for prolonged non-withdrawal of drinking water from the drinking water consumers 4, 5, 6, 7, 8, 9, 10, since the drinking water exchange here by drinking water in other local supply line networks 3 is ensured.

Zur Realisierung des Trinkwasseraustauschs wird nun das den sekundären Zuleitungen 11, 12 zugeordnete Leitungssperrmodul geschlossen und somit eine Trennung zwischen den Trinkwasserverbrauchern 4, 5, 6, 7, 8, 9, 10 und der Versorgungshauptleitung 1, 2 realisiert. Weiter wird durch Öffnen der Entnahmearmaturen der Trinkwasserverbraucher 4, 5, 6, 7, 8, 9, 10 Wasser aus der sekundären Zuleitung 11, 12 entnommen. Um eine vollständige Entleerung der Zuleitungen 11, 12 zu unterstützen, wird zusätzlich das Entlüftungsmodul der Baueinheit 23, 24 geöffnet. Infolge der deckennahen Installation des horizontal erstreckten Abschnitts der sekundären Zuleitung 11, 12 wird das lokale Versorgungsleitungsnetzwerk 3 im Bereich zwischen der Baueinheit 23, 24 und den Trinkwasserverbrauchern 4, 5, 6, 7, 8, 9, 10 teilentleert.To realize the drinking water exchange now the secondary supply lines 11, 12 associated line blocking module is closed and thus a separation between the drinking water consumers 4, 5, 6, 7, 8, 9, 10 and the main supply line 1, 2 realized. Furthermore, water is removed from the secondary supply line 11, 12 by opening the removal fittings of the drinking water consumers 4, 5, 6, 7, 8, 9, 10. In order to support a complete emptying of the supply lines 11, 12, the ventilation module of the assembly 23, 24 is additionally opened. As a result of the installation near the ceiling of the horizontally extended portion of the secondary supply line 11, 12, the local supply line network 3 in the area between the unit 23, 24 and the drinking water consumers 4, 5, 6, 7, 8, 9, 10 partially emptied.

Eine Besonderheit ergibt sich bei dem Handwaschbecken 6 und dem Spülbecken 9. Hier ist im Bereich der Entnahmearmatur ein Steigleitungsabschnitt vorgesehen, das heißt die Anbindung des Trinkwasserverbrauchers 6, 9 an die sekundäre Zuleitung 11, 12 ist über einen in der Entnahmearmatur integrierten Steigleitungsabschnitt realisiert. Im Bereich dieser Steigleitungsverbraucher 6, 9, ist eine vollständige Entleerung der sekundären Zuleitung 11, 12 einerseits und der Entnahmearmatur andererseits nicht gewährleistet. Aus diesem Grund ist unterhalb des Steigleitungsverbrauchers 6, 9 zwischen einem freien Ende der sekundären Zuleitung 11, 12, welches einen Anschlusspunkt für den Steigleitungsverbraucher 6, 9 definiert, und der Entnahmearmatur des Steigleitungsverbrauchers 6, 9 ein Entnahmemodul 27 vorgesehen. Beispielsweise handelt es sich bei dem Entnahmemodul 27 um ein Eckventil 27 mit integrierter Zapfstelle beziehungsweise Beprobungseinrichtung. Zur vollständigen Entnahme des Trinkwassers auch im Bereich der Steigleitungsverbraucher 6, 9 wird das Entnahmemodul 27 geöffnet. Bei geöffnetem Entnahmemodul 27 kann die verbleibende Wassersäule auch im Bereich der Entnahmearmatur des Steigleitungsverbrauchers 6, 9 und der sekundären Zuleitung 11, 12 entnommen werden.A special feature is found in the hand basin 6 and the sink 9. Here, a riser section is provided in the area of the removal fitting, that is, the connection of the drinking water consumers 6, 9 to the secondary supply line 11, 12 is realized via an integrated in the withdrawal fitting riser section. In the area of this riser consumers 6, 9, a complete emptying of the secondary supply line 11, 12 on the one hand and the removal fitting on the other hand is not guaranteed. For this reason, a removal module 27 is provided below the riser consumer 6, 9 between a free end of the secondary supply line 11, 12, which defines a connection point for the riser consumers 6, 9, and the removal fitting of the riser consumer 6, 9. For example, the removal module 27 is an angle valve 27 with integrated tapping point or sampling device. For complete removal of the drinking water in the area of the riser consumers 6, 9, the removal module 27 is opened. When the removal module 27 is open, the remaining water column can also be removed in the region of the removal fitting of the riser consumer 6, 9 and the secondary supply line 11, 12.

Besonders vorteilhaft erlaubt es die erfindungsgemäße Trinkwasserinstallationsanordnung, die sekundäre Zuleitung 11, 12 eines lokalen Versorgungsleitungsnetzes 3 zu entleeren beziehungsweise wieder zu befüllen, ohne dass andere lokale Versorgungsleitungsnetzwerke 3 in dem gleichem Gebäude beeinträchtigt sind. Während der Teilentleerung bzw. Wiederbefüllung eines ersten lokalen Versorgungsleitungsnetzwerks 3 ist die Nutzung der Trinkwasserinstallationsanordnung in dem gesamten restlichen Gebäude nicht beeinflusst. Zudem können das Leitungssperrmodul 30 und das Entlüftungsmodul in der Wohneinheit 22 selbst vorgesehen sein. Der Mieter beziehungsweise Eigentümer der Wohneinheit 22 kann dann ohne Hinzuziehen des Hausmeisters oder eines anderen Handwerkers und ohne Absprache mit anderen Bewohnern die Teilentleerung des lokalen Versorgungsleitungsnetzwerks 3 eigenverantwortlich durchführen.Particularly advantageously, the drinking water installation arrangement according to the invention allows the secondary feed line 11, 12 of a local supply line network 3 to be emptied or refilled without other local supply line networks 3 being impaired in the same building. During the partial emptying or refilling a first local supply line network 3, the use of the drinking water installation arrangement in the entire rest of the building is not affected. In addition, the line blocking module 30 and the ventilation module may be provided in the housing unit 22 itself. The tenant or owner of the housing unit 22 can then carry out the partial emptying of the local supply line network 3 independently without consulting the janitor or another craftsman and without consultation with other residents.

Gleiche Bauteile und Bauteilfunktionen sind durch gleiche Bezugszeichen gekennzeichnet. Identical components and component functions are identified by the same reference numerals.

Claims (11)

  1. Drinking water installation system for buildings, comprising:
    - a substantially vertically orientated main supply line (1, 2), via which drinking water drawn from a water supply facility is distributed and/or made available within the building,
    - a local supply line network (3) connected to the main supply line (1, 2) at least via two connection points (15, 16, 17, 18), wherein a circulation line (13, 14) of the local supply line network (3) is provided between the connection points (15, 16, 17, 18), wherein by means of the local supply line network (3) a group of drinking water consumers (4, 5, 6, 7, 8, 9, 10) are connected to the main supply line (1, 2) and wherein at least portions of the local supply line network (3) are suitable for installation close to the ceiling,
    characterised in that a secondary inlet line (11, 12) connects the group of drinking water consumers (4, 5, 6, 7, 8, 9, 10) to the circulation line (13, 14), wherein a line blocking module is provided close to the circulation line in the secondary inlet line (11, 12) and/or between the circulation line (13, 14) and the secondary inlet line (11, 12), wherein the line blocking module is designed in such a way that the throughflow of drinking water in the direction of the group of drinking water consumers (4, 5, 6, 7, 8, 9, 10) is selectively allowed or prevented, and wherein the secondary inlet line (11, 12) is allocated at least one venting module which can be placed into an open position thereof in which air enters the secondary inlet line (11, 12) via an opening in the venting module and/or into a closed position in which the opening is closed.
  2. Drinking water installation system as claimed in claim 1, characterised in that at least portions of the circulation line (13, 14) and/or the secondary inlet line (11, 12) are suitable for installation close to the ceiling and/or that the secondary inlet line (11, 12) is designed as a branched inlet line to supply a plurality of drinking water consumers (4, 5, 6, 7, 8, 9, 10) with drinking water.
  3. Drinking water installation system as claimed in claim 1 or 2, characterised in that between the at least two connection points (15, 16, 17, 18), via which the circulation line (13, 14) is connected to the main supply line (1, 2), in the main supply line (1, 2) a flow resistance (19, 20), in particular a Venturi nozzle, is provided.
  4. Drinking water installation system as claimed in any one of claims 1 to 3, characterised in that the venting module is provided between the line blocking module on the one hand and the group of drinking water consumers (4, 5, 6, 7, 8, 9, 10) on the other.
  5. Drinking water installation system as claimed in any one of claims 1 to 4, characterised in that the line blocking module and the venting module are provided in a physically and/or functionally integrated manner as a unit (23, 24).
  6. Drinking water installation system as claimed in any one of claims 1 to 5, characterised in that the line blocking module and/or das venting module is/are provided between the circulation line (13, 14) on the one hand and/or the secondary inlet line (11, 12) on the other.
  7. Drinking water installation system as claimed in any one of claims 1 to 6, characterised in that the secondary inlet line (11, 12), at an end thereof remote from the circulation line (13, 14), provides a connection point for at least one of the drinking water consumers (4, 5, 6, 7, 8, 9, 10), wherein taps and fittings of the drinking water consumer (4, 5, 6, 7, 8, 9, 10) can be connected directly or indirectly to the connection point (15, 16, 17, 18).
  8. Drinking water installation system as claimed in any one of claims 1 to 7, characterised in that between the connection point of the secondary inlet line (11, 12) and the taps and fittings of the drinking water consumer (4, 5, 6, 7, 8, 9, 10) a tapping module (27), in particular an angle valve (27) with an extraction point and/or sampling device, is provided.
  9. Method for partially emptying a drinking water installation system, which provides drinking water to a main supply line (1, 2), which is connected to a water supply facility, and a local supply line network (3), which is connected to the main supply line (1, 2), for supplying a plurality of drinking water consumers (4, 5, 6, 7, 8, 9, 10), in the region of the local supply line network (3), wherein the supply line network (3) comprises a circulation line (13, 14) connected via two connection pointe (15, 16, 17, 18) to the main supply line (1, 2), a secondary inlet line (11, 12) provided between the circulation line (13, 14) and the drinking water consumers (4, 5, 6, 7, 8, 9, 10), and a line blocking module as well as a venting module and wherein the line blocking module is provided close to the circulation line in the secondary inlet line (11, 12) and/or between the circulation line (13, 14) and the secondary inlet line (11, 12), and wherein the venting module is allocated to the secondary inlet line (11, 12), comprising the following method steps:
    - closing the line blocking module,
    - opening the venting module,
    - opening taps and fittings of the drinking water consumer (4, 5, 6, 7, 8, 9, 10) or a tapping module (27) provided between the secondary inlet line (11, 12) and the drinking water consumer (4, 5, 6, 7, 8, 9, 10) for the tapping of drinking water.
  10. Method as claimed in claim 9, characterised in that in order to test the drinking water quality drinking water is withdrawn via the tapping module (27) and tested.
  11. Method as claimed in claim 9 or 10, characterised in that in order to refill the supply line network (3) with drinking water
    - the taps and fittings provided on the drinking water consumers (4, 5, 6, 7, 8, 9, 10) and/or the tapping module (27) allocated to the drinking water consumers (4, 5, 6, 7, 8, 9, 10) is/are opened,
    - the venting module is closed,
    - the line blocking module is opened and
    - upon exit of drinking water from the at least one set of taps and fittings of the drinking water consumers (4, 5, 6, 7, 8, 9, 10) or of a tapping module (27) allocated to the drinking water consumers (4, 5, 6, 7, 8, 9, 10), the taps and fittings and/or the tapping module (27) is/are closed.
EP14182615.6A 2013-09-04 2014-08-28 Drinking water installation system for buildings and a method for partially emptying a drinking water installation system Active EP2845956B1 (en)

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PL14182615T PL2845956T3 (en) 2013-09-04 2014-08-28 Drinking water installation system for buildings and a method for partially emptying a drinking water installation system

Applications Claiming Priority (1)

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DE201310109670 DE102013109670A1 (en) 2013-09-04 2013-09-04 Drinking water installation assembly for buildings and method for partially emptying a drinking water installation arrangement

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EP2845956A1 EP2845956A1 (en) 2015-03-11
EP2845956B1 true EP2845956B1 (en) 2019-01-02

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CN111255017A (en) * 2020-01-15 2020-06-09 济南长兴建设集团有限公司 Installation process and method of building water supply pipeline

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Publication number Priority date Publication date Assignee Title
CH676492A5 (en) * 1988-05-02 1991-01-31 Nussbaum & Co Ag R
DE9302446U1 (en) * 1993-02-19 1993-04-01 Lauer, Günter, 7850 Lörrach Pipeline network, in particular fresh or clean water pipeline network
DE19909981A1 (en) * 1999-03-06 2000-09-07 Wittenauer Hans Michael Water meter shaft has upright tube section with water meter connected between feed pipe and outlet pipe, moveable between switching positions for closure valve
DE102004030712B4 (en) 2004-06-25 2008-03-06 Josef Blome Kit for covering and piping sanitary facilities
DE202010003376U1 (en) * 2010-03-09 2011-08-01 Gebrüder Kemper GmbH + Co Metallwerke Drinking and process water system
DE202011102932U1 (en) * 2011-06-28 2012-10-10 Pipe-Systems Gmbh Frost-resistant outside wall valve for low temperatures

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DE102013109670A1 (en) 2015-03-05
EP2845956A1 (en) 2015-03-11

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