EN 17432:2021

SLOVENSKI STANDARD
01-november-2021
Samostojne hladilne enote za male hladilnice - Razvrstitev, tehnične lastnosti in
preskus porabe energije
Packaged refrigerating units for walk-in cold rooms - Classification, performance and
energy consumption testing
Kälteaggregate für begehbare Kühlräume - Klassifikation, Prüfung der Leistung und des
Energieverbrauchs
Groupes frigorifiques prêts à monter pour chambres froides - Classification, performance
et essai de consommation d'énergie
Ta slovenski standard je istoveten z: EN 17432:2021
ICS:
27.200 Hladilna tehnologija Refrigerating technology
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 17432
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2021
EUROPÄISCHE NORM
ICS 27.200
English Version
Packaged refrigerating units for walk-in cold rooms -
Classification, performance and energy consumption
testing
Groupes frigorifiques prêts à monter pour chambres Kälteaggregate für begehbare Kühlräume -
froides - Classification, performance et essai de Klassifikation, Prüfung der Leistung und des
consommation d'énergie Energieverbrauchs
This European Standard was approved by CEN on 21 June 2021.

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. 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 CEN
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 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 17432:2021 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Symbols and abbreviated terms . 7
5 Classification . 8
6 Test conditions . 9
6.1 General . 9
6.2 Testing conditions . 9
6.3 Measurement uncertainty . 10
7 Test setup . 11
7.1 General . 11
7.2 Calorimeter room . 11
7.3 Arrangement of test and measurement equipment . 11
7.4 Installation and preparation of a test unit . 12
7.5 Measurement criteria . 12
7.6 Calibration test of the calorimeter room . 13
8 Performance testing . 14
8.1 General . 14
8.2 Steady-state conditions . 14
8.3 Cooling capacity tests . 15
8.3.1 Steady-state conditions . 15
8.3.2 Data acquisition . 15
8.3.3 Heat recovery capacity . 15
8.4 Calculation of the cooling capacity . 15
8.5 Measuring of electric power consumption . 15
8.6 Calculation of EER . 16
9 Test results . 16
10 Test report . 17
10.1 General information . 17
10.2 Additional information . 18
11 Information on the type plate . 18
Annex A (informative) Examples for the test setup . 19
A.1 General . 19
A.2 Examples . 19
Bibliography . 22

European foreword
This document (EN 17432:2021) has been prepared by Technical Committee CEN/TC 44 “Commercial
and Professional Refrigerating Appliances and Systems, Performance and Energy Consumption”, the
secretariat of which is held by UNI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by March 2022, and conflicting national standards shall be
withdrawn at the latest by March 2022.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a Standardization Request given to CEN by the European
Commission and the European Free Trade Association.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: 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 the United
Kingdom.
Introduction
This document was developed in order to provide a suitable method of performance testing of packaged
refrigerating units for stationary cold room applications.
This is the first edition of this document. It includes testing only in so-called “dry conditions”. That means,
the evaporator does not show any ice formation during the test. Although it is well-known, that such
conditions do not represent the typical situation in the practical use of the packaged refrigerating units,
this edition of the document focusses on the description of a test procedure providing reliable test results,
which can be used to compare the performance of different models/types of packaged refrigerating unit.
In order to keep the test procedure in this document practically oriented, tests under so-called “wet
conditions” as well as taking defrost periods into account will be a future Work Item of the responsible
working group. The aim is to integrate such tests in a later revision of this document.
This document reflects the current market situation which shows that only refrigerating units without
integrated pump for the heat transfer medium on the exterior heat exchanger are offered.
1 Scope
This document specifies classification criteria, test conditions and test procedures for performance
testing of packaged refrigerating units for stationary cold room applications. This includes ductless units
for cold storage applications at medium temperatures (MT) and low temperatures (LT) in either compact
or split designs, fitted with electrically driven compressors, which work according to the vapour
compression cycle.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at https://www.electropedia.org/
— ISO Online browsing platform: available at https://www.iso.org/obp
3.1
packaged refrigerating unit
functional unit incorporating a complete factory-made refrigerating system, mounted in a suitable frame
and/or enclosure, that is fabricated and transported complete, or in two or more sections and in which
no refrigerant-containing parts are connected on site other than by isolation valves, such as companion
valves, and by interconnecting piping as defined by the manufacturer
Note 1 to entry: A packaged refrigerating unit incorporates at least one refrigerant circuit, and can incorporate
one or more heat transfer circuits.
Note 2 to entry: The terms “factory-made” and “refrigerating system” are defined in EN 378-1.
3.2
compact unit
packaged refrigerating unit, that has been assembled, filled ready for use, and is installed without the
need for connecting any refrigerant-containing parts
3.3
split unit
packaged refrigerating unit, comprising one unit providing cooling to the cold room and one unit used
for condensing the refrigerant
3.4
factory made
manufactured at a dedicated production location under control of a recognized quality system
Note 1 to entry: Assembling in this context means manufacturing.
[SOURCE: EN 378-1:2016, 3.8.5, modified — The present Note 1 to entry was added.]
3.5
interior heat exchanger
heat exchanger in which liquid refrigerant is vaporized by absorbing heat from the interior heat transfer
medium
Note 1 to entry: For the applications regarded here, the interior heat exchanger is usually called “evaporator”.
3.6
exterior heat exchanger
heat exchanger in which the refrigerant is cooled down due to heat dissipation by the exterior heat
transfer medium
Note 1 to entry: For the applications regarded here, the exterior heat exchanger is usually called “condenser”.
3.7
heat transfer medium
medium (water, air, etc.) which transfers heat without undergoing phase changes
3.8
dry bulb temperature
temperature of air measured by a thermometer exposed to the air but shielded from radiation and
moisture
3.9
calorimeter room
insulated enclosure wh
...