Energy performance of buildings - Method for calculation of the design heat load - Part 3: Domestic hot water systems heat load and characterisation of needs, Module M8-2, M8-3

This European Standard describes a method to calculate the power and the storage volume required for the dimensioning of domestic hot water systems (DHW). The applicability ranges from direct water heaters (no storage volume and a comparatively large effective heating power) to larger storage systems with a comparatively small heating power and large storage volumes.
This European Standard is applicable to the following water storage systems:
-   storage systems characterized by a minimal mixing zone, (such as stratified charging storage tanks or storage tanks with external heat exchangers): these systems are nominated in this standard as "charging storage systems";
-   storage tank water heaters and warm water storage tanks with a pronounced mixing zone (such as DHW storage tanks with internal heat exchangers), nominated in this standard as "mixed storage systems";
and for different uses.
The Scope also includes standardization methods for determining the energy need for domestic hot water. This European Standard covers the domestic hot water needs in buildings.
The calculation of the energy needs for DHW-Systems applies to residential and non-residential buildings, a building or a zone of a building.
Figure 1 shows the relative position of this standard within the set of EPB standards in the context of the modular structure as set out in EN ISO 52000-1.
NOTE 1   In CEN ISO/TR 52000-2 the same table can be found, with, for each module, the numbers of the relevant EPB standards and accompanying technical reports that are published or in preparation.
NOTE 2   The modules represent EPB standards, although one EPB standard may cover more than one module and one module may be covered by more than one EPB standard, for instance a simplified and a detailed method respectively. See also Clause 2 and Tables A.1 and B.1.
Table 1 shows the relative position of this standard within the EPB package of standards.
(...)

Energetische Bewertung von Gebäuden - Verfahren zur Berechnung der Norm-Heizlast - Teil 3: Trinkwassererwärmungsanlagen, Heizlast und Bedarfsbestimmung, Module M8-2, M8-3

Performance énergétique des bâtiments - Méthode de calcul de la charge thermique nominale - Partie 3: Charge thermique des systèmes de production d'eau chaude sanitaire et caractérisation des besoins, Module M8-2, M8-3

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Energijske lastnosti stavb - Metoda za izračun projektnih toplotnih obremenitev - 3. del: Sistemi za pripravo tople sanitarne vode, toplotna obremenitev in opredelitev potreb - Modula M8-2 in M8-3 - Dopolnilo A1

General Information

Status
Not Published
Public Enquiry End Date
02-May-2021
Technical Committee
Current Stage
4020 - Public enquire (PE) (Adopted Project)
Start Date
11-Feb-2021
Due Date
01-Jul-2021
Completion Date
31-May-2021

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 12831-3:2018/oprA1:2021
01-april-2021
Energijske lastnosti stavb - Metoda za izračun projektnih toplotnih obremenitev -
3. del: Sistemi za pripravo tople sanitarne vode, toplotna obremenitev in
opredelitev potreb - Modula M8-2 in M8-3 - Dopolnilo A1
Energy performance of buildings - Method for calculation of the design heat load - Part 3:
Domestic hot water systems heat load and characterisation of needs, Module M8-2, M8-
3
Energetische Bewertung von Gebäuden - Verfahren zur Berechnung der Norm-Heizlast -
Teil 3: Trinkwassererwärmungsanlagen, Heizlast und Bedarfsbestimmung, Module M8-2,
M8-3
Performance énergétique des bâtiments - Méthode de calcul de la charge thermique
nominale - Partie 3: Charge thermique des systèmes de production d'eau chaude
sanitaire et caractérisation des besoins, Module M8-2, M8-3
Ta slovenski standard je istoveten z: EN 12831-3:2017/prA1
ICS:
91.140.65 Oprema za ogrevanje vode Water heating equipment
SIST EN 12831-3:2018/oprA1:2021 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 12831-3:2018/oprA1:2021

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SIST EN 12831-3:2018/oprA1:2021


DRAFT
EUROPEAN STANDARD
EN 12831-3:2017
NORME EUROPÉENNE

EUROPÄISCHE NORM
prA1
March 2021
ICS 91.140.10; 91.140.65
English Version

Energy performance of buildings - Method for calculation
of the design heat load - Part 3: Domestic hot water
systems heat load and characterisation of needs, Module
M8-2, M8-3
Performance énergétique des bâtiments - Méthode de Energetische Bewertung von Gebäuden - Verfahren zur
calcul de la charge thermique nominale - Partie 3: Berechnung der Norm-Heizlast - Teil 3:
Charge thermique des systèmes de production d'eau Trinkwassererwärmungsanlagen, Heizlast und
chaude sanitaire et caractérisation des besoins, Module Bedarfsbestimmung, Module M8-2, M8-3
M8-2, M8-3
This draft amendment is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 228.

This draft amendment A1, if approved, will modify the European Standard EN 12831-3:2017. If this draft becomes an
amendment, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for
inclusion of this amendment into the relevant national standard without any alteration.

This draft amendment was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.


EUROPEAN COMM
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