prEN 17291

Fans - Procedures and methods to determine and evaluate the energy efficiency of non-residential unidirectional ventilation units

This document provides procedures and methods for measuring and calculating the energy efficiency and associated characteristics of non-residential unidirectional ventilation units when driven by electric motors.
Unidirectional ventilation units include roof fans and box fans.
This document includes unidirectional ventilation units with and without filters.
Additional air treatment items are considered in this document but are excluded in the determination of the efficiency of the product.
This document does not include:
-   residential unidirectional and bidirectional ventilation units,
-   non-residential bidirectional ventilation units.
NOTE 1   Residential unidirectional ventilation units are under the remit of CEN/TC 156/WG 2.
NOTE 2   Non-residential bidirectional ventilation units are under the remit of CEN/TC 156/WG 5.

Ventilatoren - Verfahren und Methoden zur Ermittlung und Beurteilung der Energieeffizienz von Ein-Richtung-Lüftungsgeräten im Nichtwohnbereich

Dieses Dokument behandelt Verfahren und Methoden für die Messung und Berechnung des Wirkungsgrads und damit verbundener Eigenschaften von elektrisch betriebenen unidirektionalen Lüftungsgeräten im Nichtwohnbereich.
Zu unidirektionalen Lüftungsgeräten gehören Dachventilatoren und Kastenventilatoren.
Dieses Dokument umfasst unidirektionale Lüftungsgeräte mit und ohne Filter.
Zusätzliche Anlagenteile zur Luftbehandlung werden in diesem Dokument behandelt, aber bei der Bestimmung des Wirkungsgrads des Produkts ausgeschlossen.
Dieses Dokument gilt nicht für
-   unidirektionale und bidirektionale Lüftungsgeräte im Wohnbereich,
-   bidirektionale Lüftungsgeräte im Nichtwohnbereich.
ANMERKUNG 1   Unidirektionale Lüftungsgeräte im Wohnbereich fallen unter die Zuständigkeit von CEN/TC 156/WG 2
ANMERKUNG 2   Bidirektionale Lüftungsgeräte im Nichtwohnbereich fallen unter die Zuständigkeit von CEN/TC 156/WG 5.

Ventilateurs - Procédures et méthodes de détermination du rendement énergétique des unités de ventilation unidirectionnelles pour le non résidentiel

Ventilatorji - Postopki in metode za ugotavljanje in vrednotenje energijske učinkovitosti enosmernih prezračevalnih enot za prezračevanje nestanovanjskih stavb

General Information

• Status: Not Published
• Publication Date: 04-Apr-2021
• Withdrawal Date: 04-Oct-2021
• ICS: 23.120 - Ventilators. Fans. Air-conditioners
• Technical Committee: CEN/TC 156 - Ventilation for buildings
• Drafting Committee: CEN/TC 156/WG 17 - Fans
• Current Stage: 4098 - Decision to abandon - Enquiry
• Completion Date: 15-Sep-2021
• Directive: 1253/2014 - Commission Regulation (EU) No 1253/2014 of 7 July 2014 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for ventilation units
• Directive: 1254/2014 - Commission Delegated Regulation (EU) No 1254/2014 of 11 July 2014 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to energy labelling of residential ventilation units
• Directive: 2009/125/EC - Directive 2005/32/EC of the European Parliament and of the Council of 6 July 2005 establishing a framework for the setting of ecodesign requirements for energy-using products and amending Council Directive 92/42/EEC and Directives 96/57/EC and 2000/55/EC of the European Parliament and of the Council
• Mandate: M/537 - [C2015)8325] Standardisation request to the European Committee for Standardisation as regards ventilation units in support of Regulation (EU) No 1253/2014 and Delegated Regulation (EU) No 1254/2014
• Mandate: M/560 - [C(2019) 1725 final] Ecodesign requirements for air heating products, cooling products, high temperature process chillers and fan coils in support of Commission Regulation (EU) 2016/2281
• Ref Project: oSIST prEN 17291:2018 - Fans - Procedures and methods to determine and evaluate the energy efficiency of non-residential unidirectional ventilation units

Standards Content (Sample)

SLOVENSKI STANDARD
01-december-2018
[Not translated]
Fans - Procedures and methods to determine and evaluate the energy efficiency of non-
residential unidirectional ventilation units
Ventilatoren - Verfahren und Methoden zur Ermittlung und Beurteilung der
Energieeffizienz von Ein-Richtung-Lüftungsgeräten im Nichtwohnbereich
Ta slovenski standard je istoveten z: prEN 17291
ICS:
23.120 =UDþQLNL9HWUQLNL.OLPDWVNH Ventilators. Fans. Air-
QDSUDYH conditioners
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2018
ICS 23.120
English Version
Fans - Procedures and methods to determine and evaluate
the energy efficiency of non-residential unidirectional
ventilation units
Ventilatoren - Verfahren und Methoden zur Ermittlung
und Beurteilung der Energieeffizienz von Ein-
Richtung-Lüftungsgeräten im Nichtwohnbereich
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 156.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, 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 COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17291:2018 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Requirements . 16
4.1 Eco-design requirements . 16
4.1.1 General . 16
4.1.2 Identify the unit and if intended to be used with a filter . 16
4.2 Information requirements . 17
4.2.1 General . 17
4.2.2 Requirements . 17
5 Testing and calculation methods . 18
5.1 General . 18
5.2 Test method to determine the ventilation unit efficiency (UVU efficiency) in the
reference configuration without a filter . 18
5.2.1 General . 18
5.2.2 Ventilation unit efficiency (UVU efficiency) . 18
5.2.3 Nominal operating conditions . 19
5.3 Determination of internal specific fan power. 20
5.3.1 General . 20
5.3.2 Internal specific fan power calculation method for reference configuration unit with
filter . 20
5.3.3 Calculation with non-ventilation components . 21
6 Evaluation of conformity . 21
6.1 General . 21
6.2 Ventilation unit efficiency (ƞ ) . 21
vu
6.3 Internal Specific Fan Power (SFPint) . 21
6.4 Filter monitoring . 22
6.5 Information requirements . 22
7 Classification and designation . 22
8 Marking, labelling and packaging . 22
8.1 Marking . 22
8.2 Product information requirements on unidirectional ventilation units . 22
9 Installation and maintenance information . 22
Annex A (informative) How to use the standard . 24
A.1 Determine if the product is within scope and what should be applied . 24
Annex B (normative) Internal specific fan power (SFP ) . 25
int
B.1 General . 25
B.2 Method . 25
B.3 Example of calculation method . 30
Annex C (informative) External leakage. 31
C.1 General . 31
C.2 Measurement . 31
Annex D (informative) Overall A-weighted casing sound power level. 36
D.1 General . 36
D.2 Definitions . 36
D.3 Requirements . 37
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of EU Directive 2009/125/EC and Commission Regulation (EC) No
1253/2014 . 40
Bibliography . 42
European foreword
This document (prEN 17291:2018) has been prepared by Technical Committee CEN/TC 156 “Ventilation
for buildings”, the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.
This document has been prepared under a standardization request given to CEN by the European
Commission and the European Free Trade Association, and supports essential requirements of
EU Directive 2009/125/EC and Commission Regulation (EC) No 1253/2014.
For relationship with EU Directive 2009/125/EC, see informative Annex ZA, which is an integral part of
this document.
1 Scope
This document provides procedures and methods for measuring and calculating the energy efficiency and
associated characteristics of non-residential unidirectional ventilation units when driven by electric
motors.
Unidirectional ventilation units include roof fans and box fans.
This document includes unidirectional ventilation units with and without filters.
Additional air treatment items are considered in this document but are excluded in the determination of
the efficiency of the product.
This document does not include:
— residential unidirectional and bidirectional ventilation units,
— non-residential bidirectional ventilation units.
NOTE 1 Residential unidirectional ventilation units are under the remit of CEN/TC 156/WG 2.
NOTE 2 Non-residential bidirectional ventilation units are under the remit of CEN/TC 156/WG 5.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 779, Particulate air filters for general ventilation — Determination of the filtration performance
EN 1886, Ventilation for buildings — Air handling units — Mechanical performance
EN ISO 5801, Fans — Performance testing using standardized airways (ISO 5801)
prEN 17166, Fans — Procedures and methods to determine the energy efficiency for the electrical input
power range of 125 W up to 500 kW
EN ISO 12759, Fans — Efficiency classification for fans (ISO 12759)
EN ISO 13349, Fans — Vocabulary and definitions of categories (ISO 13349)
ISO 13347 (all parts), Industrial fans — Determination of fan sound power levels under standardized
laboratory conditions
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN ISO 5801 and prEN 17166 and
the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at http://www.electropedia.org/
— ISO Online browsing platform: available at http://www.iso.org/obp
3.1
fan
rotary-bladed machine that receives mechanical energy and utilizes it by means of one or more impellers
fitted with blades to maintain a continuous flow of air or other gas passing through it and whose work
per unit mass does not normally exceed 25 kJ/kg
In this standard, the word fan means an assembly of an impeller, bearing, transmission, housing, motor
and other significant elements within a boundary as defined in prEN 17166 and a variable speed drive if
fitted
[SOURCE: EN ISO 13349:2010, definition 3.1.1]
[SOURCE: prEN 17166]
3.2
ventilation unit (VU)
electrically driven appliance equipped with at least one impeller, one motor and a casing
[SOURCE: Regulation (EU) No 1253/2014, article 2, definition (1)]
3.3
unidirectional ventilation unit (UVU)
ventilation unit producing an air flow in one direction only, either for exhaust or for supply
3.4
non-reside
...