EN 50193-1:2016

Electric instantaneous water heaters - Methods for measuring the Performance - Part 1: General requirements

This European Standard applies to electric instantaneous water heaters for domestic hot water heating for household and similar applications, which show both of the following characteristics: - fulfilling at least one load pattern from Annex A - heating up to temperatures below the boiling temperature. This European Standard specifies terms, definitions and measurement methods for the assessment of energy efficiency. This European Standard does not take into account requirements regarding the safety of the appliances.

Elektro-Durchfluss-Wassererwärmer - Prüfverfahren zur Messung der Gebrauchseigenschaften - Teil 1: Allgemeine Anforderungen

This International Standard is applicable for measurements of the performance of Electric instantaneous water heaters for household use in or under conditions similar to those in households. The purpose of this standard is to specify essential performance characteristics of Electric instantaneous water heaters being of interest to the users and to describe methods for measuring these characteristics.

Chauffe-eau électriques instantanés - Partie 1: Exigences générales

Električni pretočni grelniki vode - Metode za merjenje lastnosti - 1. del: Splošne zahteve

Ta evropski standard velja za električne pretočne grelnike vode v gospodinjstvih za gospodinjske in podobne aparate, pri katerih velja, da:
– izpolnjujejo vsaj enega od vzorcev obremenitve iz dodatka A,
– grejejo do temperatur pod temperaturo vrelišča.
Ta evropski standard določa izraze, definicije in merilne metode za oceno energijske učinkovitosti.
Ta evropski standard ne zajema zahtev glede varnosti aparatov.

General Information

• Status: Published
• Publication Date: 30-Jun-2016
• ICS: 91.140.65 - Water heating equipment
• Technical Committee: CLC/TC 59X - Consumer information related to household electrical appliances
• Drafting Committee: CLC/TC 59X - Consumer information related to household electrical appliances
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Completion Date: 07-Jul-2021
• 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
• Directive: 2010/30/EU - DIRECTIVE 2010/30/EU OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 19 May 2010 on the indication by labelling and standard product information of the consumption of energy and other resources by energy-related products (recast)
• Directive: 812/2013 - Commission Delegated Regulation (EU) No 812/2013 of 18 February 2013 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to the energy labelling of water heaters, hot water storage tanks and packages of water heater and solar device
• Directive: 814/2013 - Commission Regulation (EU) No 814/2013 of 2 August 2013 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for water heaters and hot water storage tanks
• Mandate: M/324 - Mandate to CEN and CENELEC for the elaboration and adoption of measurement standards for household appliances : Water-heaters, hot-water storage appliances and water heating systems
• Mandate: M/534 - [C(2015)2625] Standardisation request to the European standardisation organisations pursuant to Article 10(1) of Regulation (EU) No 1025/2012 of the European Parliament and of the Council in support of implementation of Commission Regulation (EU) No 814/2013 of 2 August 2013 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for water heaters and hot water storage tanks and Commission Delegated Regulation (EU) No 812/2013 of 18 February 2013 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to the energy labelling of water heaters, hot water storage tanks and packages of water heater and solar device
• Ref Project: SIST EN 50193-1:2016 - Electric instantaneous water heaters - Methods for measuring the Performance - Part 1: General requirements

Relations

• Replaces: EN 50193-1:2013 - Electric instantaneous water heaters - Part 1: General requirements
• Effective Date: 07-Jun-2022
• Amended By: EN 50193-1:2016/A1:2020 - Electric instantaneous water heaters - Methods for measuring the Performance - Part 1: General requirements
• Effective Date: 30-Jun-2020

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2016
1DGRPHãþD
SIST EN 50193-1:2013
(OHNWULþQLSUHWRþQLJUHOQLNLYRGH0HWRGH]DPHUMHQMHODVWQRVWLGHO6SORãQH
]DKWHYH
Electric instantaneous water heaters - Methods for measuring the Performance - Part 1:
General requirements
Elektro-Durchfluss-Wassererwärmer - Teil 1: Allgemeine Anforderungen
Chauffe-eau électriques instantanés - Partie 1: Exigences générales
Ta slovenski standard je istoveten z: EN 50193-1:2016
ICS:
91.140.65 Oprema za ogrevanje vode Water heating equipment
97.100.10 (OHNWULþQLJUHOQLNL Electric heaters
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 50193-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2016
ICS 91.140.65 Supersedes EN 50193-1:2013
English Version
Electric instantaneous water heaters - Methods for measuring
the Performance - Part 1: General requirements
Chauffe-eau électriques instantanés - Partie 1: Exigences Elektro-Durchfluss-Wassererwärmer - Prüfverfahren zur
générales Messung der Gebrauchseigenschaften - Teil 1: Allgemeine
Anforderungen
This European Standard was approved by CENELEC on 2016-05-23. CENELEC 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.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50193-1:2016 E
Contents
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 General test conditions . 6
4.1 Measurement Equipment . 6
4.2 Number of appliances to be tested . 6
4.3 General conditions . 6
4.4 Test setup . 7
5 Energy efficiency . 7
5.1 Test methods . 7
5.1.1 General. 7
5.1.2 Static efficiency . 7
5.1.3 Start-up losses . 8
5.1.4 Determination of the smart control factor SCF . 8
5.1.5 Determination of smart control compliance . 9
5.2 Calculation methods . 9
5.2.1 General. 9
5.2.2 Daily energy demand . 9
5.2.3 Correction factor . 9
5.2.4 Energy efficiency . 9
5.2.5 Annual electricity consumption . 10
Annex A (informative) Load pattern . 11
Annex B (normative) Test setup . 15
Annex C (informative) Alternative test methods under development . 19
C.1 General . 19
C.2 Annual energy consumption . 19
Annex ZZA (informative) Relationship between this European Standard and the energy labelling
requirements of Commission Delegated Regulation (EU) No 812/2013 aimed to be
covered . 21
Annex ZZB (informative) Relationship between this European Standard and the ecodesign
requirements of Commission Regulation (EU) No 814/2013 aimed to be covered . 22
Bibliography . 23

European foreword
This document (EN 50193-1:2016) has been prepared by CLC/TC 59X "Performance of household and
similar electrical appliances".
The following dates are fixed:
• latest date by which this document has to be (dop) 2017-05-23
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) 2019-05-23
conflicting with this document have to
be withdrawn
This document supersedes EN 50193-1:2013.
— Alignment of the terms and formulas with those detailed in Commission communication in the
framework of the implementation of Commission Regulation (EU) No 814/2013 implementing
Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign
requirements for water heaters and hot water storage tanks and of Commission Delegated
Regulation (EU) No 812/2013 supplementing Directive 2010/30/EU of the European Parliament and
of the Council with regard to the energy labelling of water heaters, hot water storage tanks and
packages of water heater and solar device (2014/C 207/03).
— Clarification of the Smart Control Factor and the issues surrounding its application for Electric
Instantaneous Water Heaters.
— Updates to the references and bibliography.
— Addition of an informative annex for alternative test methods under development.
— Addition of Annexes ZZA and ZZB.
This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association, and supports essential requirements of EU Directive(s).
For the relationship with EU Directive(s) see informative Annex ZZA and ZZB, which are integral parts of
this document.
1 Scope
This European Standard applies to electric instantaneous water heaters for domestic hot water heating
for household and similar applications, which show both of the following characteristics:
– fulfilling at least one load pattern from Annex A;
– heating up to temperatures below the boiling temperature.
This European Standard specifies terms, definitions and measurement methods for the assessment of
energy efficiency.
This European Standard does not take into account requirements regarding the safety of the appliances.
2 Normative references
The following documents, in whole or in part, are normatively reference in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 22768-1, General tolerances - Part 1: Tolerances for linear and angular dimensions without individual
tolerance indications (ISO 2768-1)
EN ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads - Part 1:
Dimensions, tolerances and designation (ISO 228-1)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
instantaneous water heater
appliance intended to heat water while it flows through the appliance
3.1.1
electric instantaneous water heater
electric powered instantaneous water heater
3.1.2
closed instantaneous water heater
instantaneous water heater intended to operate at the pressure of the water system, the flow of water
being controlled by one or more valves in the outlet system
3.1.3
open-outlet instantaneous water heater
instantaneous water heater in which the flow of water is controlled by a valve in the inlet pipe, there
being no valve in the outlet pipe
3.1.4
hydraulic instantaneous water heater
instantaneous water heater each of whose heating elements are switched on or off, depending on the
water flow rate or water pressure
3.2
temperature selector
actuator which presets the temperature set point value of the water outlet and which can be adjusted by
the user
3.3
temperature control
actuator which adjusts the temperature of the outlet water by means of varying the flow of water through
the appliance or by varying the power applied to the heater(s) or by a combination of the two
3.4
independent flow control
actuator which adjusts the flow of water through the appliance with no significant change in the outlet
water temperature
3.5
flow regulator
actuator which limits the flow of water through the appliance regardless of variations in line pressure
3.6
flow restrictor
device which defines a flow of water through the appliance for a set pressure
3.7
power selector
actuator which presets electrical power of the unit and which can be adjusted by the user
Note 1 to entry: The water outlet temperature depends on flow rate and/or inlet temperature.
3.8
load profile/load pattern
a means of illustrating the power consumption of an instantaneous water heater over a 24 hour period
3.9
smart control
a system that can demonstrate a reduction in energy consumption
3.10
useable water
water at or above the temperature T for the relevant draw-off and load pattern specified in the tables of
m
Annex A
4 General test conditions
4.1 Measurement Equipment
The table below gives the accuracy of measurement equipment.
Table 1 — Measurement Equipment Accuracy
Measurement Unit Measurement uncertainty Remarks
parameters (accuracy)
Ambient temperature °C/K ± 1 K 5)
Time s ± 0,1 s 2)
Cold inlet water
°C/K ± 0,2 K 2) 101)
temperature
Hot outlet water
°C/K ± 1 K 1) 2)
temperature
Water flow rate l/min ±0,1 l/min or ±1% 2) 4)
Water pressure Mpa ± 5 % 3)
input power kW ± 1 % 2)
Input power W ± 1 % 5)
Voltage V ± 0,5 % 2)
Current A ± 0,5 % 2)
1) Thermocouple with a diameter of maximum 0,5 mm, in midstream, positioned directly at the outlet and inlet of
the appliance.
2) The measured values shall be expressed rounded to one decimal place.
3) The measured values shall be expressed rounded to three decimal places.
4) Whichever is higher
5) The measured values shall be expressed rounded to integer.
±5K
101) The cold water temperature T shall be 15°C for the performance tests according to clause 102ff
cold
(EN 50193-2-1).
4.2 Number of appliances to be tested
The tests shall be performed on the same appliance.
4.3 General conditions
Unless otherwise specified, the appliance shall be installed, commissioned and operated in accordance
with the information provided in the installation and operating instructions.
Commissioning procedures shall be repeated following a supply voltage interruption, if required by the
installation and operating instructions.
The supply voltage shall be maintained at the main terminal at 230 V ± 1
...