Gas-fired domestic appliance producing hot water - Part 5: Assessment of energy consumption of gas fired appliances combined with electrical heat pump

This European Standard is applicable to gas-fired appliances producing domestic hot water. It applies to both instantaneous and storage gas-fired appliances combined with electrical heat pump. It applies to a package marketed as single unit or fully specified by a manufacturer that have:   - a gas heat input not exceeding 70 kW;  - a hot water storage capacity not exceeding 500 litres.  This European Standard EN 13203 is formed in several parts which cover aspects of domestic hot water production.  Standard EN 13203-1 sets out in qualitative and quantitative terms the performance in delivery of domestic hot water for a selected variety of uses. It also gives a system for presenting the information to the user. This first part complements EN 26, EN 89 and EN 625.  This Part 5 sets out a method for assessing the energy performance of gas fired appliances combined with heat pump with electrically driven compressor according to EN 16417.  This European standard does not apply for gas boilers with recovery systems using combustion products as heat source for the electrical heat pump.  When the electrical heat pump does not work for domestic hot water production in the summer period, the present standard is not applicable for energy performances assessing, EN 13203-2 must be used for energy performances assessing.

Gasbeheizte Geräte für die sanitäre Warmwasserbereitung für den Hausgebrauch - Teil 5: Bewertung des Energieverbrauchs von Gasgeräten mit elektrischer Wärmepumpe

Diese Europäische Norm gilt für gasbeheizte Geräte für die häusliche sanitäre Warmwasserbereitung. Sie gilt sowohl für gasbeheizte Durchlauf-Wasserheizer als auch für gasbeheizte Vorratswasserheizer mit elektrischer Wärmepumpe.
Sie ist gültig für ein System, das als eine einzelne Einheit gekennzeichnet ist oder von einem Hersteller umfassend beschrieben ist und:
-   eine Wärmebelastung hat, die 70 kW nicht überschreitet;
-   eine Speicherkapazität für Warmwasser hat, die 500 l nicht übersteigt.
Diese Europäische Norm EN 13203 besteht aus mehreren Teilen, die die Aspekte der häuslichen Warm-wasserbereitung behandeln.
Die Norm EN 13203 1 legt die quantitativen und qualitativen Bedingungen der Effizienz bei der Entnahme (Zapfung) von sanitärem Warmwasser für eine Auswahl von Benutzungsarten fest. Sie enthält ebenfalls Hinweise zur entsprechenden Information des Betreibers. Dieser erste Teil vervollständigt EN 26, EN 89 und EN 625.
Der vorliegende Teil 5 legt ein Verfahren zur Bewertung der Energieeffizienz von Gasgeräten mit Wärme-pumpe mit elektrisch angetriebenem Verdichter nach EN 16147 fest.
Diese Europäische Norm gilt nicht für Gaskessel mit Rückgewinnungssystemen, die Verbrennungsprodukte als Wärmequelle für die elektrische Wärmepumpe nutzen.
Wenn die elektrische Wärmepumpe in der Sommerzeit nicht für die häusliche sanitäre Warmwasserbereitung eingesetzt wird, ist die vorliegende Norm nicht für die Bewertung der Energieeffizienz geeignet, in diesem Fall muss EN 13203 2 zur Bewertung der Energieeffizienz angewendet werden.

Appareils domestiques produisant de l'eau chaude sanitaire utilisant les combustibles gazeux - Partie 5: Evaluation de la consommation énergétique des appareils utilisant les combustibles gazeux combinés à une pompe à chaleur électrique

La présente Norme européenne est applicable aux appareils de production d'eau chaude sanitaire utilisant les combustibles gazeux. Elle s'applique à la fois aux appareils instantanés et à accumulation utilisant les combustibles gazeux, combinés à une pompe à chaleur électrique.
Elle s'applique à un ensemble commercialisé comme une seule unité ou entièrement spécifié par un fabricant, qui a :
-   un débit calorifique de gaz inférieur ou égal à 70 kW ;
-   une capacité de stockage en eau chaude inférieure ou égale à 500 litres.
La présente Norme européenne EN 13203 est composée de plusieurs parties qui couvrent des aspects de la production d'eau chaude sanitaire.
La norme EN 13203-1 définit, en termes qualitatifs et quantitatifs, la performance en puisage d'eau chaude sanitaire pour une variété d'usages sélectionnée. Elle mentionne également un système pour présenter les informations à l'utilisateur. Cette première partie complète l'EN 26, l'EN 89 et l'EN 625.
La présente Partie 5 définit une méthode pour évaluer les performances énergétiques des appareils utilisant les combustibles gazeux, combinés à une pompe à chaleur équipée d'un compresseur à commande électrique conformément à l'EN 16417.
La présente Norme européenne ne s'applique pas aux chaudières à gaz équipées de systèmes de récupération utilisant les produits de combustion comme source thermique pour la pompe à chaleur électrique.
Lorsque la pompe à chaleur électrique ne fonctionne pas pour produire de l'eau chaude sanitaire en régime été, la présente norme n'est pas applicable pour l'évaluation des performances énergétiques et l'EN 13203-2 doit alors être utilisée.

Plinske gospodinjske naprave za pripravo sanitarne tople vode - 5. del: Ocenjevanje rabe energije plinskih aparatov, kombiniranih z električno toplotno črpalko

General Information

Status
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Current Stage
3098 - Decision to reject - Consensus building
Completion Date
17-Oct-2014

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SLOVENSKI STANDARD
oSIST prEN 13203-5:2012
01-december-2012
3OLQVNHJRVSRGLQMVNHQDSUDYH]DSULSUDYRVDQLWDUQHWRSOHYRGHGHO
2FHQMHYDQMH]PRJOMLYRVWLUDEHHQHUJLMHSOLQVNLKDSDUDWRYNRPELQLUDQLK]
HOHNWULþQRWRSORWQRþUSDONR
Gas-fired domestic appliance producing hot water - Part 5: Assessment of energy
consumption of gas fired appliances combined with electrical heat pump

Gasbeheizte Geräte für die sanitäre Warmwasserbereitung für den Hausgebrauch - Teil

5: Bewertung des Energieverbrauchs von Gasgeräten mit elektrischer Wärmepumpe

Appareils domestiques produisant de l'eau chaude sanitaire utilisant les combustibles

gazeux - Partie 5: Evaluation de la consommation énergétique - Appareils à gaz
combinés à une pompe à chaleur électrique
Ta slovenski standard je istoveten z: prEN 13203-5
ICS:
91.140.65 Oprema za ogrevanje vode Water heating equipment
oSIST prEN 13203-5:2012 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 13203-5:2012
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oSIST prEN 13203-5:2012
EUROPEAN STANDARD
DRAFT
prEN 13203-5
NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2012
ICS 91.140.65
English Version
Gas-fired domestic appliance producing hot water - Part 5:
Assessment of energy consumption of gas fired appliances
combined with electrical heat pump

Appareils domestiques produisant de l'eau chaude sanitaire Gasbeheizte Geräte für die sanitäre Warmwasserbereitung

utilisant les combustibles gazeux - Partie 5: Evaluation de
für den Hausgebrauch - Teil 5: Bewertung des

la consommation énergétique des appareils utilisant les Energieverbrauchs von Gasgeräten mit elektrischer

combustibles gazeux combinés à une pompe à chaleur Wärmepumpe
électrique

This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 109.

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, 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
Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2012 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 13203-5:2012: E

worldwide for CEN national Members.
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prEN 13203-5:2012 (E)
Contents Page

Foreword ..............................................................................................................................................................3

1 Scope ......................................................................................................................................................3

2 Normative references ............................................................................................................................3

3 Terms and definitions ...........................................................................................................................4

4 General test conditions .........................................................................................................................5

4.1 Reference conditions ............................................................................................................................5

4.2 Specific heat source conditions ...........................................................................................................6

4.3 Measurement uncertainties ..................................................................................................................6

4.4 Test conditions ......................................................................................................................................7

4.4.1 General ....................................................................................................................................................7

4.4.2 Test installations....................................................................................................................................7

4.4.3 Water supply ..........................................................................................................................................8

4.4.4 Steady state ............................................................................................................................................8

4.4.5 Initial adjustment of the appliance .......................................................................................................8

4.4.6 Electrical supply ....................................................................................................................................9

5 Determination of the energy consumption of appliances .................................................................9

5.1 General ....................................................................................................................................................9

5.2 Tapping cycles .......................................................................................................................................9

5.2.1 General ....................................................................................................................................................9

5.2.2 Test for determination of the daily energy consumption ............................................................... 15

Annex A (informative)...................................................................................................................................... 20

Annex B (informative) Test rig and measurement devices ......................................................................... 23

Annex C (normative) ........................................................................................................................................ 27

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Foreword

This document (prEN 13203-5:2012) has been prepared by Technical Committee CEN/TC 109 “Central heating

boilers using gaseous fuels”, the secretariat of which is held by NEN.
This document is currently submitted to the CEN Enquiry.
1 Scope

This European Standard is applicable to gas-fired appliances producing domestic hot water. It applies to both

instantaneous and storage gas-fired appliances combined with electrical heat pump.

It applies to a package marketed as single unit or fully specified by a manufacturer that have:

 a gas heat input not exceeding 70 kW;
 a hot water storage capacity not exceeding 500 litres.

This European Standard EN 13203 is formed in several parts which cover aspects of domestic hot water

production.

Standard EN 13203-1 sets out in qualitative and quantitative terms the performance in delivery of domestic hot

water for a selected variety of uses. It also gives a system for presenting the information to the user. This first part

complements EN 26, EN 89 and EN 625.

This Part 5 sets out a method for assessing the energy performance of gas fired appliances combined with heat

pump with electrically driven compressor according to EN 16417.

This European standard does not apply for gas boilers with recovery systems using combustion products as heat

source for the electrical heat pump.

When the electrical heat pump does not work for domestic hot water production in the summer period, the present

standard is not applicable for energy performances assessing, EN 13203-2 must be used for energy performances

assessing.
2 Normative references

The following documents, in whole or in part, are normatively referenced 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 26, Gas-fired instantaneous water heaters for sanitary uses production, fitted with atmospheric burners

(Including Corrigendum 1998)
EN 89, Gas-fired storage water heaters for the production of domestic hot water.

EN 625, Gas-fired central heating boilers - Specific requirements for the domestic hot water operation of

combination boilers of nominal heat input not exceeding 70 kW.

EN 13203-1:2006, Gas-fired domestic appliances producing hot water – Appliances not exceeding 70 kW heat

input and 300 litres water storage capacity. Part 1: Assessment of performance of hot water deliveries.

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EN 13203-2, Gas-fired domestic appliances producing hot water – Appliances not exceeding 70 kW heat input and

300 litres water storage capacity. Part 2: Assessment of energy consumption.

EN 14511-3:2011, Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for

space heating and cooling — Part 1: Tests methods.

EN 16147, heat pumps with electrically driven compressors – Testing and requirements for marking for domestic

hot water units.
3 Terms and definitions

For the purposes of this European Standard, the following terms and definitions apply.

3.1
control cycle

time cycle for keeping components and/or the tank (if any) of the domestic hot water circuit at predetermined

temperature level, consists of an «ON» duration time during which the heating of the domestic hot water (by gas

energy and/or auxiliary energy) is operating, and an «OFF» duration time during which no heating occurs

3.2
domestic water mean temperature
average temperature of the water delivered during the time ∆t
T = T ⋅ dt
SYMBOL T
3.3
domestic water test temperature
temperature of the delivered water at which the tests are conducted
3.4
nominal domestic hot water heat input

value of the heat input stated by the manufacturer for the production of domestic hot water .

SYMBOL Q
Note 1 to entry: Q is expressed in kilowatt (kW)
3.5
off mode

state of an appliance, selected by the user, in which domestic hot water can not be provided

3.6
stand-by mode

operating state in which the appliance can provide domestic hot water at any time. In the case of an appliance with

a control cycle for keeping components and/or the tank (if any) of the domestic hot water circuit at predetermined

temperature level, no tapping is made
3.7
summer mode

conditions during which the appliance supplies energy only for the production of domestic hot water

The manufacturer is the organisation or company which assumes responsibility for the product.

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3.8
tank (storage tank)
reservoir for domestic hot water and or central heating water
3.9
useful water

quantity of water delivered for which the temperature increase is in accordance with the requirement fixed for each

individual delivery of the tapping cycles
3.10
wasted water

quantity of water delivered for which the temperature increase is not in accordance with the requirement fixed for

each individual delivery of the tapping cycles
3.11
winter mode

conditions during which the appliance supplies energy for the production of domestic hot water and/or space

heating
3.12
indoor ambient air

indoor ambient air is the heat source for a heat pump which absorbs heat by a heat exchanger in direct contact with

the air inside a building without any dedicated duct
3.13
brine
heat transfer medium which has a freezing point depressed relative to water
3.14
gas-fired appliance combined with electrical heat pump

appliance which is either placed on the market by the manufacturer or specified by the manufacturer as a complete

package to deliver safely and effectively domestic hot water and/or heating, comprising as relevant:

 electrical heat pump;
 gas-fired appliance;
 ducts if appropriate;
 thermal store.
4 General test conditions
4.1 Reference conditions
Unless otherwise stated, the general test conditions are as follows:
 cold water temperature: (10 ± 2), in °C;
 cold water pressure: (2 ± 0,1), in bar;
 ambient air temperature: (20 ± 3), in °C;
 electrical supply voltage:
 (230 ± 2), in V single phase;
 (400 ± 4), in V three phases;
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4.2 Specific heat source conditions

The tests shall be carried out at the test conditions specified in Tables 1 as appropriate.

Table 1 - Test conditions for particular types of systems

Type of heat source Heat source temperature Range of ambient Ambient temperature of

(°C) temperature for heat storage tank
pump (°C)
(°C)
Outside air (heat pump 7 ± 0,2 20 ± 3 20 ± 3
indoor) with air duct (6 ± 0,3)
Outside air (heat pump 7 ± 0,2 7 ± 3 20 ± 3
outdoor) (6 ± 0,3)
a) a)
Exhaust air 20 ± 0,2 20 ± 3 20 ± 3
(12 ± 0,3)
Water (inlet) 10 ± 0,15 20 ± 3 20 ± 3
Brine (inlet) 0 ± 0,15 20 ± 3 20 ± 3
Direct evaporation 4 ± 0,5 20 ± 3 20 ± 3

In this case the ambient temperature of the heat pump is the same as the temperature of the heat source (the difference with

EN 16147 is justified because of the possible installation of the appliance into a living room)

Note 1: All heat source temperatures are inlet temperatures in °C.
Note 2: All air temperatures in (brackets) are wet bulb temperatures in °C.

Note 3: Permissible external pressure difference and associated internal pressure difference at the outdoor heat exchanger

shall be indicated by the manufacturer in Pascal (Pa) for appliances with duct connection.

4.3 Measurement uncertainties

Except where otherwise stated in the clauses describing the tests, the uncertainties of measurements carried out

shall be not greater than the maximum uncertainties indicated below.

The laboratory evaluates these standard deviations taking account of the various sources of uncertainty:

contribution from the instrument, repeatability, calibration, ambient conditions etc.:

 water rate: ± 1 %;
 gas rate: ± 1 %;
 time: ± 0,2 s;
 temperatures:
 ambient air: ± 1 °C;
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 air as heat source dry bulb temperature: ± 0,2°C;
 air as heat source wet bulb temperature: ± 0,3°C;
 water: ± 0,5 °C;
 gas: ± 0,5 °C;
 mass: ± 0,5 %;
 gas pressure: ± 2 %;
 gas calorific value: ± 1 %;
 gas density: ± 0,5 %;
 electrical energy: ± 2 %.

The stated measurement uncertainties relate to individual measurements. For measurements that combine a

number of individual measurements, smaller uncertainties on the individual measurements may be necessary to

ensure a total uncertainty within ± 5 % (2σ).
4.4 Test conditions
4.4.1 General

Except where otherwise stated, the appliance is tested under the following conditions.

For combination boilers the tests are carried out only in summer mode.
The test conditions are given in Table 1.

If liquid heat transfer media other than water are used, the specific heat capacity and density of such heat transfer

media shall be determined and taken into consideration in the evaluation;
4.4.2 Test installations

The package is installed in a well-ventilated, draught-free room (air speed less than 0,5 m/s).

The package is protected from direct solar radiation.

If the package incorporates an air source outdoor heat exchanger a further test room is needed. The size of this

test room shall be designed to avoid any resistance to air flow at the air inlet and air outlet orifices of the test object.

The air flow through this room shall not cause any short circuit between the two orifices, and therefore the velocity

of air flow at these two locations shall not exceed 1,5 m/s when the test object is switched off. The air velocity in the

room shall also not be greater than the mean velocity through the unit inlet.

Unless otherwise stated by the manufacturer, the air inlet and air outlet orifices shall not be less than 1m from the

surfaces of the test room; this also applies to any measuring ducts.

Any direct heat radiation (p. ex. solar radiation) from heating units in the test room onto the heat pump or onto the

temperature measuring points shall be avoided

The setting of the external static pressure difference on the air side for heat pumps with duct connection is

described in EN 14511-3:2011 (see sub-clauses 4.4.1.1 to 4.4.1.3).

For heat pumps separated from the tank, the liquid flow rate has to be set on the liquid outlet side of the heat pump

to the nominal flow rate specified by the manufacturer.
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The package shall be installed and connected for the test as specified by the manufacturer in his installation and

operation manual.

Temperature and pressure measuring points shall be situated in order to obtain significant mean values.

Set points for internal control equipment of the unit such as thermostats, pressure switches or mixing valves shall

be set to the values stated by the manufacturer.

Air and entrained gases shall be removed from all water and other heat transfer liquid systems.

In the case of package incorporating a single split heat pump, the following installation conditions shall be complied

with for the tests:

a) each refrigerant line shall be installed in accordance with the manufacturer's instructions. The length of each

line must be between 5 m and 7,5 m;

b) the lines shall be installed so that the difference in elevation does not exceed 1 m;

c) thermal insulation shall be applied to the lines in accordance with the manufacturer's instructions;

d) unless constrained by the design at least half of the interconnecting lines shall be exposed to the outdoor

conditions with the rest of the lines exposed to the indoor conditions.

For indirect systems each water line shall be installed in accordance with the manufacturer's instructions to the

maximum stated length or 5 m whichever is shorter. Thermal insulation shall be applied to the lines in accordance

with the manufacturer's instructions.
4.4.3 Water supply
For the tests:

 the domestic water pressure is the static inlet pressure under dynamic conditions measured as close as

possible to the appliance;

 the inlet and outlet temperatures of the domestic water are measured in the centre of the flow and as close as

possible to the appliance.

The inlet temperatures are measured immediately upstream of the water inlet connection. Except where otherwise

stated, the outlet temperatures are measured immediately downstream of the outlet connection or, in the case of an

appliance with spout delivery, by means of an immersed temperature measuring device, e.g. a u-tube fitted at the

outlet of a tube of the same length as the minimum length of the spout normally supplied by the manufacturer.

The hot water temperature is measured with a rapid response thermometer.

"Rapid response thermometer" means a measuring instrument with a response time such that 90 % of the final

temperature rise, from 15 °C to 100 °C, is obtained within about 1 s, when the sensor is plunged into still water.

4.4.4 Steady state

Steady state operating conditions shall be regarded as established when the rate of change of the domestic hot

water temperature at the appliance outlet has become less than the temperature fluctuation at constant water rate

∆T according to sub-clause 3.8 of EN 13203-1:2006.
4.4.5 Initial adjustment of the appliance
The appliance is installed in accordance with the manufacturer's instructions.

The heat input shall be adjusted to within ± 2 % of the nominal domestic hot water heat input under the conditions

prevailing at the time of the test.
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The delivered water temperature at the appliance outlet is defined as follows (see Figures A.1.1 and A.1.2):

a) appliances with an adjustable temperature: the tests are carried out at a temperature not greater than 65 °C,

with a minimum temperature increase equa
...

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