EN 17432:2021
(Main)Packaged refrigerating units for walk-in cold rooms - Classification, performance and energy consumption testing
Packaged refrigerating units for walk-in cold rooms - Classification, performance and energy consumption testing
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.
Kälteaggregate für begehbare Kühlräume - Klassifikation, Prüfung der Leistung und des Energieverbrauchs
Dieses Dokument legt Klassifizierungskriterien, Prüfbedingungen und Prüfverfahren zur Leistungsprüfung von Kälteaggregaten für die stationäre Anwendung in Kühlräumen fest. Hierzu gehören Kälteaggregate für die Kühllagerung bei mittleren Temperaturen (MT) und niedrigen Temperaturen (LT) sowohl in kompakter als auch Split-Bauweise, die zum freien Ausblasen (der gekühlten Luft) vorgesehen und mit elektrisch angetriebenen Verdichtern ausgerüstet sind und nach dem Kaltdampf-Kompressionsprozess betrieben werden.
Groupes frigorifiques prêts à monter pour chambres froides - Classification, performance et essai de consommation d'énergie
Le présent document définit les critères de classification, les conditions d’essai et les modes opératoires d’essai pour les essais de performances des groupes frigorifiques prêts à monter destinés aux applications dans les chambres froides fixes. Cela inclut les groupes sans conduits pour les applications de stockage à froid à moyennes températures (MT) et basses températures (BT) dans des constructions compactes ou segmentées, équipés de compresseurs à entraînement électrique, qui fonctionnent selon le principe du cycle de compression de vapeur.
Samostojne hladilne enote za male hladilnice - Razvrstitev, tehnične lastnosti in preskus porabe energije
General Information
Overview
EN 17432:2021 (CEN) defines classification, test conditions and test procedures for performance and energy-consumption testing of packaged refrigerating units for walk‑in cold rooms. It covers ductless units for stationary cold storage at medium temperature (MT, evaporator inlet ≈ 0 °C) and low temperature (LT, evaporator inlet ≈ −20 °C) in both compact and split designs. The standard applies to factory-made systems with electrically driven compressors operating on the vapour‑compression cycle and focuses on repeatable laboratory measurement methods under dry conditions (no evaporator icing).
Key Topics
- Scope & classification
- Labelling by heat‑transfer mediums (e.g., air‑cooled, water‑cooled, liquid‑cooled) for exterior and interior heat exchangers.
- Definitions of packaged, compact and split units.
- Test environment and setup
- Use of a calorimeter room inside a controlled test chamber to reproduce steady‑state conditions.
- Requirements for installation, arrangement of measurement equipment and calibration of the calorimeter room.
- Performance measurements
- Determination of cooling capacity (heat removed) and total electrical power consumption (including fans and auxiliaries).
- Calculation of Energy Efficiency Ratio (EER) as the ratio of cooling capacity to power consumption.
- Measurement of heat recovery capacity for water‑cooled units.
- Test procedure controls
- Specification of steady‑state criteria, data acquisition and measurement uncertainty considerations.
- Recording of operating limits and nominal conditions.
- Limitations
- Current edition specifies tests only under dry conditions; wet/defrost testing is planned for future revisions.
Applications
EN 17432:2021 is practical for:
- Manufacturers validating declared cooling capacity and energy performance for product data sheets and type plates.
- Test laboratories performing standardized performance verification and comparative testing.
- Specifiers, consultants and procurement teams assessing unit selection for walk‑in cold rooms (MT and LT applications).
- Certification and regulatory bodies that require harmonized test data to support compliance, labeling or energy reporting.
- R&D and product development groups optimizing system efficiency and heat recovery features.
Keywords: EN 17432:2021, packaged refrigerating units, walk‑in cold rooms, performance testing, energy consumption testing, cooling capacity, EER, calorimeter room, MT, LT, air‑cooled, water‑cooled.
Related Standards
- EN 378 series (refrigeration system terminology and safety) - referenced for terms and definitions.
- IEC Electropedia / ISO Online Browsing Platform - sources for standardized terminology.
Frequently Asked Questions
EN 17432:2021 is a standard published by the European Committee for Standardization (CEN). Its full title is "Packaged refrigerating units for walk-in cold rooms - Classification, performance and energy consumption testing". This standard covers: 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.
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.
EN 17432:2021 is classified under the following ICS (International Classification for Standards) categories: 27.200 - Refrigerating technology. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 17432:2021 is associated with the following European legislation: EU Directives/Regulations: 2009/125/EC; Standardization Mandates: M/495. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase EN 17432:2021 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
Standards Content (Sample)
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 which houses a heating device and the interior heat exchanger
3.10
test chamber
room in which the ambient air can be conditioned and kept in a steady state condition and in which the
exterior heat exchanger as well as the calorimeter room are located
Note 1 to entry: See 7.2 for further explanation.
3.11
cooling capacity
heat per unit of time transferred to the unit via heat transfer medium minus introduced heat of the fans
installed at the interior heat exchanger
3.12
total power consumption
average electrical power consumption of the packaged refrigeration unit, including all electrical supplies
needed for the cooling operation of the unit, over time
3.13
energy efficiency ratio
ratio of cooling capacity to total power consumption of the unit
3.14
operating limits
limitations in terms of maximum and minimum operating conditions (range of pressure, temperature,
voltage, humidity, etc.)
Note 1 to entry: The unit shall work as intended within the operating limits specified by the manufacturer.
3.15
nominal conditions
conditions that define a standard which reveals if a packaged refrigerating unit is working within those
defined limits
3.16
support cold
independently working refrigerating unit to compensate heat losses through the calorimeter room
envelope
3.17
low temperature
LT
application, at which the packaged refrigerating unit is capable of delivering its nominal cooling capacity
at the interior heat exchanger inlet temperature of −20 °C
3.18
medium temperature
MT
application, at which the packaged refrigerating unit is capable of delivering its nominal cooling capacity
at the interior heat exchanger inlet temperature of 0 °C
4 Symbols and abbreviated terms
Table 1 — Symbols
Unit
Symbol Quantity Unit
Symbol
Q
Cooling capacity Watt W
P
Total power consumption Watt W
E
EER Energy efficiency ratio — —
A Length of the air inlet of the interior heat exchanger millimetres mm
Width/height of the air inlet of the interior heat
B millimetres mm
exchanger
q
Heat loss of the calorimeter room Watt per Kelvin W/K
Heat loss
Electric power consumption of the heating device,
all running fans and any other devices being placed
P
Watt W
Heater
inside the calorimeter room which are in use during
calibration of the calorimeter room
T
Internal temperature of the calorimeter room Kelvin K
int
T
Ambient temperature of the test chamber Kelvin K
out
∆T Temperature difference Kelvin K
Temperature of the heat transfer medium at heat
T
Degree Celsius °C
out,w
exchanger outlet
Unit
Symbol Quantity Unit
Symbol
Temperature of the heat transfer medium at heat
T
Degree Celsius °C
int, w
exchanger inlet
ṁ Mass flow kilogram per second kg/s
V Volume cubic metre
m
kilogram per cubic
ρ Density kg/m
metre
Q
Heat capacity of the heat exchanger kilowatt kW
Heat
cubic meters per
3
Volume flow m /s
V
second
Maximum measured external static pressure
∆p
Pascal Pa
i
difference between water inlet and outlet
∆P Static pressure difference Pascal Pa
Q
Total heating capacity of the heating device Watt W
Heat,i
Q
support cold
Cooling capacity of the support cold Watt W
Temperature difference between interior of the
∆T
calorimeter room and exterior of the calorimeter Kelvin K
i
room
Table 2 — Constants
Symbol Description Value
c 4,19 kJ/(kg ∙ K)
Specific heat capacity of water
p
5 Classification
Refrigerating units are labelled by listing their heat transfer mediums. The heat transfer medium of the
exterior heat exchanger (condenser) is listed in the first column, the heat transfer medium of the interior
heat exchanger (evaporator) is listed in the second column (see Table 3).
Table 3 — Labelling of refrigerating units
Heat transfer medium
Term
Exterior heat exchanger Interior heat exchanger
Air Air Air cooled refrigerating unit
Water Air Water cooled refrigerating unit
Liquid Air Liquid cooled refrigerating unit
6 Test conditions
6.1 General
The test procedures defined in this document provide methods for determining cooling capacities and
electrical power consumption of packaged refrigerating units as well as for determining heat recovery
capacities of water-cooled packaged refrigerating units. The tests can be performed under dry conditions
inside a calorimeter room, which is placed in a test chamber.
6.2 Testing conditions
The following test procedures are to be conducted under the nominal conditions given in Tables 4, 5 and
6), unless stated otherwise.
Table 4 — Air-to-air refrigerating unit – Nominal dry conditions
Application Exterior heat
Interior heat exchanger
exchanger
Dry bulb
Dry bulb
Rel. humidity at
temperature at
inlet
temperature at inlet
inlet
a
LT 32 °C −20 °C
a
MT 32 °C 0 °C
a
As low, as to prevent icing on the heat exchanger surface.
The manufacturer may choose the following additional testing conditions for air-to-air refrigerating
units:
— for cold climate: 15 °C for dry bulb temperature at inlet of exterior heat exchanger;
— for hot climate: 43 °C for dry bulb temperature at inlet of exterior heat exchanger
...
표준 EN 17432:2021은 보행형 냉장고에 적용되는 포장 냉동 유닛의 분류, 성능 및 에너지 소비 시험에 대한 문서로, 설정된 기준을 명확하게 제시하고 있습니다. 이 문서는 정지 냉장실 응용 프로그램을 위한 포장 냉동 유닛의 성능 시험을 위한 분류 기준, 시험 조건 및 시험 절차를 정의합니다. 이 표준의 강점 중 하나는 다양한 유형의 냉동 유닛에 대한 포괄적인 접근 방식을 제공한다는 것입니다. 이는 중온(MT) 및 저온(LT)에서 작동하는 냉장 저장 응용 프로그램을 포함하는 덕트 없는 유닛을 다루며, 전기 구동 압축기를 사용하는 컴팩트형 또는 스플릿 디자인을 갖춘 장비를 포함합니다. 이러한 포괄성 덕분에, 사용자들은 다양한 냉동 시스템의 성능을 효과적으로 비교하고 평가할 수 있습니다. 또한, EN 17432:2021은 냉동 유닛의 성능 및 에너지 소비 테스트 절차에 대한 명확한 지침을 제공함으로써 제조업체와 사용자에게 중요한 기준을 제공합니다. 이는 전 세계적으로 냉동 시장의 효율성을 높이고 에너지 소비를 감소시키는 데 기여할 수 있으며, 지속 가능한 개발과 환경 보호에도 긍정적인 영향을 미칩니다. 표준의 적합성은 냉동 유닛을 사용하는 산업 전반에 걸쳐 매우 높습니다. 특히, 식품 보관, 물류 및 유통 분야에서는 제품의 품질 및 안전성을 보장하기 위해 성능 기준이 필수적입니다. EN 17432:2021은 이러한 산업 요구에 부합하는 신뢰할 수 있는 기준을 제공하여, 각 이해관계자가 기대하는 성능과 효율성을 충족시키는 데 도움을 줍니다. 이처럼 EN 17432:2021 표준은 냉장 시스템의 성능과 에너지 효율성을 명확하게 정의하고, 사용자와 제조업체 사이의 신뢰성을 높이며, 냉동 시스템의 시장 경쟁력을 강화하는 데 필수적인 역할을 합니다.
The EN 17432:2021 standard provides a comprehensive framework specifically designed for the classification, performance, and energy consumption testing of packaged refrigerating units utilized in walk-in cold rooms. This standard is particularly relevant for industry professionals dealing with stationary cold storage applications, offering clear guidelines pertaining to ductless units that operate under medium temperatures (MT) and low temperatures (LT). One of the key strengths of this standard is its detailed classification criteria that enable users to categorize refrigerating units effectively, ensuring proper alignment with application needs and energy consumption considerations. The specified test conditions and procedures for performance testing are meticulously developed, thus guaranteeing consistency and reliability in assessing the operational capabilities of these refrigerating systems. The inclusion of both compact and split designs within the standard broadens its applicability, making it a valuable resource for manufacturers and users alike who require rigorous performance validation of their refrigeration units. Additionally, the focus on electrically driven compressors using the vapour compression cycle underscores the document's relevance in promoting energy-efficient technologies in refrigerating units. With sustainability and energy efficiency being paramount in today’s environmental considerations, EN 17432:2021 serves as a crucial reference point for the industry, encouraging advancements towards improved energy consumption metrics. Its comprehensive nature establishes a necessary benchmark for quality and performance, aiding stakeholders in making informed decisions to enhance the functionality and efficiency of packaged refrigerating solutions in cold room environments.
SIST EN 17432:2021は、パッケージ型冷凍ユニットの分類、性能及びエネルギー消費テストに関する基準を定める重要な文書です。この標準は、冷蔵庫の温度条件下における局所冷蔵室のアプリケーションに特化しており、主に中温（MT）及び低温（LT）での冷凍保存が求められる場合に適用されます。具体的には、電気駆動式圧縮機を搭載したコンパクトまたはスプリット設計のダクトレスユニットが対象となります。 この標準の強みは、パッケージ型冷凍ユニットの性能評価に必要な分類基準やテスト条件、テスト手順が明確に定義されている点です。これにより、メーカーやエンドユーザーは、製品の性能を一貫して評価し、比較することが可能になります。また、この文書はエネルギー消費の測定方法も含まれているため、効率的なエネルギー使用が気になる現代において、その適用は非常に重要です。 さらに、SIST EN 17432:2021のスコープは、冷凍技術の進化や市場の需要に対応できるように設計されており、冷却性能やエネルギー効率を最大限に引き出すための基準を提供しています。このように、標準は業界のベストプラクティスを反映し、持続可能な冷凍システムの開発に寄与するものとなっています。 総じて、SIST EN 17432:2021は、冷蔵庫用のパッケージ型冷凍ユニットに関する包括的な基準として、分類、性能、エネルギー消費のテストを行う上での必須の指針として非常に高い関連性を持っています。この標準は、製品開発および市場での競争力を高めるための重要なツールとなるでしょう。
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