SIST EN ISO 22044:2022
(Main)Commercial beverage coolers - Classification, requirements and test conditions (ISO 22044:2021)
Commercial beverage coolers - Classification, requirements and test conditions (ISO 22044:2021)
This document specifies the classification for commercial beverage coolers and their requirements and test methods. This document is applicable to integral refrigeration systems.
This document is not applicable to remote and secondary system cabinets.
Gewerbliche Getränkekühler - Klassifikation, Anforderungen und Prüfbedingungen (ISO 22044:2021)
Dieses Dokument legt die Klassifizierung von gewerblichen Getränkekühlern und Anforderungen und Prüf¬verfahren für gewerbliche Getränkekühler fest. Dieses Dokument ist für gewerbliche Getränkekühler mit eingebauter Kälteanlage anzuwenden.
Dieses Dokument ist nicht für Möbel mit getrennt aufgestelltem Verflüssigungssatz sowie für indirekte Systeme anzuwenden.
Meubles frigorifiques de vente pour boissons - Classification, exigences et conditions d'essai (ISO 22044:2021)
Le présent document spécifie la classification des meubles frigorifiques de vente pour boissons ainsi que leurs exigences et méthodes d'essai. Le présent document est applicable aux systèmes de réfrigération intégrés.
Le présent document n'est pas applicable aux armoires à système de fluide frigorigène incorporé ou à distance.
Komercialni hladilniki pijač - Razvrstitev, zahteve in preskusni pogoji (ISO 22044:2021)
Namen tega evropskega standarda je opredeliti razvrstitev za komercialne hladilnike pijač ter določiti njihove zahteve in preskusne metode. Ta evropski standard se uporablja za vdelane hladilne sisteme. Ta standard se ne uporablja za oddaljene in sekundarne sisteme omar.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-marec-2022
Nadomešča:
SIST EN 16902:2017
Komercialni hladilniki pijač - Razvrstitev, zahteve in preskusni pogoji (ISO
22044:2021)
Commercial beverage coolers - Classification, requirements and test conditions (ISO
22044:2021)
Gewerbliche Getränkekühler - Klassifikation, Anforderungen und Prüfbedingungen (ISO
22044:2021)
Meubles frigorifiques de vente pour boissons - Classification, exigences et conditions
d'essai (ISO 22044:2021)
Ta slovenski standard je istoveten z: EN ISO 22044:2022
ICS:
97.130.20 Hladilne naprave za trgovine Commercial refrigerating
appliances
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 22044
EUROPEAN STANDARD
NORME EUROPÉENNE
January 2022
EUROPÄISCHE NORM
ICS 97.130.20 Supersedes EN 16902:2016
English Version
Commercial beverage coolers - Classification,
requirements and test conditions (ISO 22044:2021)
Meubles frigorifiques de vente pour boissons - Gewerbliche Getränkekühler - Klassifikation,
Classification, exigences et conditions d'essai (ISO Anforderungen und Prüfbedingungen (ISO
22044:2021) 22044:2021)
This European Standard was approved by CEN on 17 December 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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 22044:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 22044:2022) has been prepared by Technical Committee ISO/TC 86
"Refrigeration and air-conditioning" in collaboration with 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 July 2022, and conflicting national standards shall be
withdrawn at the latest by July 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 supersedes EN 16902:2016.
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/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations 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.
Endorsement notice
The text of ISO 22044:2021 has been approved by CEN as EN ISO 22044:2022 without any modification.
INTERNATIONAL ISO
STANDARD 22044
First edition
2021-12
Commercial beverage coolers —
Classification, requirements and test
conditions
Meubles frigorifiques de vente pour boissons — Classification,
exigences et conditions d'essai
Reference number
ISO 22044:2021(E)
ISO 22044:2021(E)
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
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Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 22044:2021(E)
Contents Page
Foreword .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 Types of commercial beverage coolers . 1
3.2 Parts of commercial beverage coolers . 2
3.3 Physical aspects and dimensions . 2
3.4 Terms and definitions relating to performance characteristics . 3
3.5 Terms and definitions related to test environment . 5
4 Symbols and abbreviated terms.5
5 Classification and requirements. 6
5.1 Classification according to temperature . 6
5.2 Construction . 6
5.2.1 General . 6
5.2.2 Materials . 7
5.2.3 Thermal insulation . 7
5.2.4 Refrigerating system . 8
5.2.5 Electrical components . 8
6 Tests . 8
6.1 General . 8
6.2 Tests outside test room . 9
6.2.1 General . 9
6.2.2 Seal test for doors and lids . 9
6.2.3 Test on durability of door and lid . 9
6.2.4 Linear dimensions, areas and volumes . 10
6.3 Tests inside test room . 10
6.3.1 General . 10
6.3.2 Test room condition . 11
6.3.3 M-can . 15
6.3.4 Preparation of test commercial beverage cooler and general test procedures .15
6.3.5 Loading the commercial beverage cooler . 18
6.3.6 Running in period .25
6.3.7 Stable conditions . 25
6.3.8 Lighting and night-covers . . 26
6.3.9 Power supply . .26
6.3.10 Testing several commercial beverage coolers in the same room .26
6.3.11 Test with M-cans .26
6.3.12 Water vapour condensation test . 33
6.3.13 Calculation of specific energy consumption (SEC) .34
6.3.14 Lighting test .34
6.4 Test report .34
7 Marking . .36
7.1 Load limit.36
7.2 Marking plate . 37
7.3 Information to be supplied by the manufacturer .38
Annex A (informative) Commercial beverage cooler family .39
Annex B (normative) Net volume calculation.40
Annex C (normative) Equivalent volume calculation .41
Annex D (normative) TDA calculation .43
Annex E (informative) Test for absence of odour and taste .47
iii
ISO 22044:2021(E)
Annex F (normative) Performance and energy rating of commercial beverage cooler .49
Annex G (informative) Lighting test .50
Annex ZA (informative) Relationship between this European Standard and the ecodesign
requirements of Commission Regulation (EU) No 2019/2024 aimed to be covered .52
Bibliography .53
iv
ISO 22044:2021(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
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expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 86, Refrigeration and air-conditioning,
Subcommittee SC 7, Testing and rating of commercial refrigerated display cabinets, in collaboration with
the European Committee for Standardization (CEN) Technical Committee CEN/TC 44, Commercial and
professional refrigerating appliances and systems, performance and energy consumption, in accordance
with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
v
INTERNATIONAL STANDARD ISO 22044:2021(E)
Commercial beverage coolers — Classification,
requirements and test conditions
1 Scope
This document specifies the classification for commercial beverage coolers and their requirements and
test methods. This document is applicable to integral refrigeration systems.
This document is not applicable to remote and secondary system cabinets.
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.
ISO 817, Refrigerants — Designation and safety classification
ISO 5149-2, Refrigerating systems and heat pumps — Safety and environmental requirements — Part 2:
Design, construction, testing, marking and documentation
IEC 60335-1, Household and similar electrical appliances — Safety — Part 1: General requirements
IEC 60335-2-89, Household and similar electrical appliances — Safety — Part 2-89: Particular requirements
for commercial refrigerating appliances and ice-makers with an incorporated or remote refrigerant unit or
motor-compressor
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1 Types of commercial beverage coolers
3.1.1
commercial beverage cooler
refrigerated cabinets to sell and/or display pre-packaged beverage products that are non-perishable,
designed to chill products loaded at ambient temperature to the defined storage temperature class
within a specified time and for which the customer is allowed direct access to the products
Note 1 to entry: In Annex A there is the designation of the commercial beverage cooler family.
Note 2 to entry: The customer is an organization or person that receives a product; customer can be internal or
external to the organization.
EXAMPLE Consumer, client, end-user, retailer, beneficiary and purchaser.
3.1.2
vertical commercial beverage cooler
beverage cooler with overall height between 0,5 m and 2,2 m
ISO 22044:2021(E)
3.1.3
semi-vertical commercial beverage cooler
vertical beverage cooler for which the overall height does not exceed 1,5 m and having either a vertical
or inclined display opening
3.1.4
horizontal commercial beverage cooler
beverage cooler with horizontal display opening on its top and accessible from above
3.1.5
open commercial beverage cooler
horizontal/vertical/semi-vertical beverage cooler where there are not barriers for the access to the
displayed products
Note 1 to entry: Do not consider night covers as a barrier for the access to the displayed products.
3.1.6
closed commercial beverage cooler
horizontal/vertical/semi-vertical beverage cooler where access to the displayed product is gained by
opening a door or a lid (transparent or solid)
3.2 Parts of commercial beverage coolers
3.2.1
air discharge
opening from which the air curtain emerges
3.2.2
air return
opening at which the air curtain flows back to the evaporator or heat exchanger inside the commercial
beverage cooler air ducts
3.2.3
shelf
surface excluding the base deck, on which the goods are displayed
3.2.4
night cover
cover permanently integrated into the commercial open beverage cooler used to reduce the heat ingress
(e.g. by infrared radiation or convection)
EXAMPLE Covers can be a night curtain, night blind, night lid.
3.2.5
front
side of the commercial beverage cooler facing the consumer
3.2.6
base deck
lowest display surface of a commercial beverage cooler
3.3 Physical aspects and dimensions
3.3.1
refrigerated shelf area
refrigerated display area where the vertical clearance above any shelf or base deck is greater than or
equal to 125 mm, measured perpendicularly above the plane of the shelf or base deck and within the
bounds of any load limit
ISO 22044:2021(E)
3.3.2
depth
horizontal distance, including rear spacers for air circulation channel, between the front and the rear of
the commercial beverage cooler
3.3.3
width
horizontal distance between the two external sides of the commercial beverage cooler
3.3.4
height
vertical distance from the floor to the top of the commercial beverage cooler
Note 1 to entry: If the commercial beverage cooler has adjustable feet, the height defined shall be the minimum
and the maximum height necessary at installation of the cooler.
3.3.5
load limit
boundary surface consisting of a plane or several planes within which all M-cans can be maintained
within the limits for the M-cans temperature class declared
3.3.6
load limit line
permanently marked boundary line denoting the edge of the load limit surface
3.3.7
net volume
storage volume inside the appliance which can be used for storage of products
Note 1 to entry: For the calculation method see Annex B.
3.3.8
gross volume
volume within the inside walls of the commercial beverage cooler or compartment, including internal
fittings, doors or lids, if any, with these being closed, and with the load limit being taken into account if
the commercial beverage cooler has no door or lid
3.3.9
equivalent volume
V
eq
reference volume corrected for compartment classification differences
3.3.10
total display area
TDA
total visible foodstuffs area, including visible area through the glazing, defined by the sum of horizontal
and vertical projected surface areas of the net volume
Note 1 to entry: For the calculation method see Annex D.
3.3.11
footprint
surface occupied by the commercial beverage cooler
3.4 Terms and definitions relating to performance characteristics
3.4.1
air curtain
air flow going from the air discharge towards the air return, thereby limiting both heat and mass
transfers between the commercial beverage cooler's gross volume and the surrounding environment
ISO 22044:2021(E)
3.4.2
normal conditions of use
operating conditions which exist when the commercial beverage cooler, including all permanently
located accessories, has been set up and situated in accordance with the recommendations of the
manufacturer and is in service
Note 1 to entry: The effects of actions by non-technical personnel for purposes of loading, unloading, cleaning,
defrosting, the manipulation of accessible controls and of any removable accessories etc., according to the
manufacturer's instructions are within this definition. The effects of actions resulting from interventions by
technical personnel for the purposes of maintenance or repair are outside this definition.
3.4.3
energy management device
EMD
electronic device that automatically controls the refrigeration system and/or other key components of
the commercial beverage cooler during the standby mode
EXAMPLE Lights, fans.
3.4.4
standby mode
state in which commercial beverage cooler's lighting, refrigeration and/or other energy-using systems
are automatically adjusted such that they consume less energy than they consume in an active mode
Note 1 to entry: In the case of commercial beverage coolers, equipped with an EMD and with night cover built
in, or night lid built in, the EMD standby mode is activated manually when the night curtain or night lid is down.
Note 2 to entry: In the case of commercial beverage coolers, equipped only with night cover built- in, or night lid
built-in for the energy consumption test refer to 6.3.8.
3.4.5
active mode
state in which the commercial beverage coolers are in the average temperature defined for the product
class, also lighting and/or other energy-using systems are on
3.4.6
EMD product average temperature
temperature that allows the commercial beverage cooler, that has been in standby mode for 12 h, to
recover the average product temperature defined for each product temperature class in a recovery
time less than 4 h
3.4.7
half reload
capability of the beverage cooler to lower all product temperatures within a specified time after half of
the products are removed and reloaded with product at ambient temperature
3.4.8
defrosting
removal of frost, snow and ice from a commercial beverage cooler
3.4.9
automatic defrosting
defrosting where no action is necessary by the user to initiate the removal of frost accumulation and to
restore normal operation
Note 1 to entry: It includes automatic removal of defrost water.
3.4.10
automatic removal of defrost water
removal and/or evaporation of defrost water that does not require any action by the user
ISO 22044:2021(E)
3.4.11
manual removal of defrost water
removal of defrost water that requires an action by the user
3.4.12
specific energy consumption
SEC
index of the efficiency of the commercial beverage cooler (3.1.1), expressed as the ratio of TEC divided by
equivalent volume (3.3.9)
3 3
Note 1 to entry: SEC is expressed in kilowatt hours per 24 h per m [kWh/24 h·m ].
3.5 Terms and definitions related to test environment
3.5.1
M-can
test can used to simulate the product during tests, fitted with a temperature measuring device
3.5.2
climate class
classification of the test room climate according to the dry bulb temperature and relative humidity
3.5.3
M-cans temperature class
classification of test temperature according to temperatures of warmest and coldest M-cans during the
temperature test
3.5.4
commercial beverage cooler classification
designation given by the combination of climate class and M-cans temperature class
4 Symbols and abbreviated terms
t
running time — time during which compressor is running in normal condition within 24 h
run
t
stopping time — time during which compressor is not running (or solenoid valve is close) within
stop
24 h
t
defrost time — time during defrost during which compressor is not running (or solenoid valve
deft
is closed) or secondary refrigerant is generally not circulating, within 24 h, but not considered
as stopping time
t
pull down time – time to pull down the temperature of the beverages from the ambient tem-
pull
perature to the defined temperature class
t
half reload time – time to recover the beverage cooler temperature after the half reload with
hr
product at ambient temperature
t
time in which 90 % of a sudden temperature change of 20 °C is indicated, the measurement
medium being moderately agitated air (velocity 1 m/s)
Δt time between two consecutive measuring samples
N
number of measuring samples in 24 h
max
n
number of defrosts during 24 h
deft
TEC total energy consumption in kWh per 24 h
ISO 22044:2021(E)
SEC specific energy consumption for commercial beverage cooler expressed in kWh/24 h·m (TEC/V )
eq
t relative or percentage running time
rr
θ temperature
θ average mean temperature
m
θ highest temperature of warmest M-cans
ah
θ lowest temperature of coldest M-cans
b
V equivalent volume
eq
5 Classification and requirements
5.1 Classification according to temperature
The performance of commercial beverage cooler shall comply with one of the classifications defined in
Table 1. The performance shall be verified in accordance with the conditions and test methods specified
in the following clauses.
Table 1 — Classification according to temperature
Highest temperature, θ , of Lowest temperature, θ , of cold-
ah b
Average temperature
Class warmest M-can colder than or est M-can warmer than or equal
equal to or less than [°C]
equal to [°C] to [°C]
K +7,0 0,0 3,5
K +6,0 −1,0 2,5
K +1,0 −3,5 −1,0
K +9,0 1,0 +5,0
S Special classification
NOTE The M-can temperature classes are measured with an expanded measurement uncertainty of ±0,8 °C.
5.2 Construction
5.2.1 General
5.2.1.1 Strength and rigidity
The commercial beverage cooler and its parts shall be constructed with adequate strength and rigidity
for normal conditions of handling, transport and use and attention shall be given to the following:
a) interior fittings, including shelves, baskets, rails, etc. and their supports, shall be sufficiently strong
for the duty required;
b) where sliding shelves, baskets, trays or drawers are fitted they shall retain their shape and ease of
movement when fully loaded;
c) any fitments which are provided with stops to prevent accidental removal shall be self-supporting
when fully loaded and withdrawn to the limit of the stops.
5.2.1.2 Pipes and connections
Pipes and connections to moving or resiliently mounted parts shall be arranged so as not to foul or
transmit harmful vibrations to other parts. All other pipes and connections shall be securely anchored,
ISO 22044:2021(E)
and sufficient free length and/or vibration eliminators shall be provided to prevent failure due to
fatigue. Where necessary, pipes and valves shall be adequately thermally insulated.
5.2.1.3 Condensate drainage
Where drains, drip trays or evaporation receptacles are fitted, they shall have ample capacity and shall
be easily accessible and cleanable.
5.2.1.4 Joints and seams
All construction joints and seams within the net volume shall prevent the accumulation of potentially
contaminating substances.
All construction joints and seams within the net volume shall permit the easy removal of any deposits
of potentially contaminating substances.
5.2.2 Materials
5.2.2.1 General
The materials shall be durable and shall not favour the development of mould or emit odours.
Under normal conditions of use, materials in contact with foodstuffs shall be resistant to moisture and
shall neither be toxic nor contaminate them.
5.2.2.2 Wear resistance
Internal and external finishes shall be resistant to wear and capable of being cleaned effectively and
hygienically. Finishes shall not crack, chip, flake, rub off or soften under normal conditions of use or
during cleaning.
5.2.2.3 Corrosion resistance
Metal parts, used in the construction of commercial beverage coolers, shall have resistance to corrosion
appropriate to their location and function.
5.2.3 Thermal insulation
5.2.3.1 Efficiency
The thermal insulation shall be efficient and permanently fixed. In particular, the insulating material
shall not be subject to shrinkage and shall not allow under normal working conditions an accumulation
of moisture.
5.2.3.2 Vapour barrier
Suitable means shall be used to prevent deterioration of the thermal insulation by the ingress of
moisture.
5.2.3.3 Containment of insulation material
Where the insulation space is vented to the inside, it shall be ensured that particles of the insulation
material cannot escape into the foodstuff display compartment.
For fibrous insulation materials, it shall not be possible to insert a rigid probe of 1 mm diameter through
any aperture which allows access to the insulating material, the probe being applied with negligible
force.
ISO 22044:2021(E)
5.2.4 Refrigerating system
5.2.4.1 Design and construction
The design and construction of all parts of the refrigerating system subject to internal pressure shall
take into account the maximum working pressure to which they are subjected when the commercial
beverage cooler is in operation or at rest.
For commercial beverage coolers with components thereof which are charged with refrigerant prior
to transportation, the maximum ambient temperature during transit shall be taken into account. All
refrigerant containing components shall be in accordance with ISO 5149-2.
5.2.4.2 Condensation
There shall be suitable means to prevent water condensed on cold surfaces of the commercial beverage
cooler and its parts from harmfully affecting the operation of the refrigerating system or its controls.
5.2.4.3 System protection
For commercial beverage cooler fitted with doors or lids, the refrigerating system shall suffer no
damage if any door or lid in the commercial beverage cooler is left open while the commercial beverage
cooler is operating in an ambient temperature corresponding to the climate class (see Table 1) for which
the commercial beverage cooler is intended.
When the door or lid is kept open under normal operating conditions (for example, during product
loading) or is left open accidentally, any automatic motor overload protective device may come into
operation.
5.2.4.4 Refrigerant
When deciding on the refrigerant for the system, attention shall be given to the possible hazards
associated with the use of certain refrigerants and heat-transfer media or secondary refrigerant, due to
their toxicity, flammability etc. Guidance on this point is available in ISO 5149-2.
5.2.5 Electrical components
Electrical components shall be in accordance with IEC 60335-2-89 and IEC 60335-1.
6 Tests
6.1 General
When the characteristics of a commercial beverage cooler are to be verified, all the tests and inspections
shall be applied to one and the same commercial beverage cooler. These tests and inspections may also
be made individually for the study of a particular characteristic.
Table 2 lists the tests and inspections. Commercial beverage cooler shall comply with the requirements
specified in this part of standard using the appropriate test method.
ISO 22044:2021(E)
Table 2 — Test summary
Requirement clause
Tests and inspections Test method Test room
in this document
Seal test — 6.2.2
Outside test room
Absence of odour and taste (not compulsory) — Annex E
(see 6.2)
Durability of door and lid
Temperature 5.1 6.3.11
Inside test room
Water vapour condensation 5.2.4.2 6.3.12
(see 6.3)
Energy consumption 6.3.13
Half reload recovery 6.3.11.3
6.2 Tests outside test room
6.2.1 General
The tests which may be carried out outside the test room deal with the inspection of construction
characteristics, physical dimensions and the absence of odour and taste.
6.2.2 Seal test for doors and lids
The effectiveness of doors or lids provided to ensure a seal shall be tested as follows (with the
commercial beverage cooler not running). See Figure 1.
Insert a strip of paper 50 mm wide, 0,08 mm thick and of a suitable length at any point of the seal. With
the door or lid closed normally on it the strip of paper shall not slide freely.
NOTE 1 Attention is drawn to the fact that some commercial beverage coolers having doors provided to
ensure an air seal are fitted with decompression valves which allow air to penetrate for a short period of time so
that any drop in pressure created inside the commercial beverage cooler can be compensated. No test is required
for such valves.
NOTE 2 The most unfavourable points can be found by inspecting the contact of the seal with the commercial
beverage cooler closed and lighted from the inside.
6.2.3 Test on durability of door and lid
6.2.3.1 Test condition/preparation
The purpose of these tests, carried out using the following procedures, is to check the durability of
the hinges and handles of doors. The ambient temperature shall be between +16 °C and +32 °C. The
refrigerating appliance shall be switched off.
6.2.3.2 Opening sequence
The movement of the door shall be controlled from an angle of 0° to an angle of opening between 5° and
45°, followed by a free movement of the door, the controlled movement being approximately sinusoidal.
The opening of the door shall take place in the first quarter of the period of the cycle.
6.2.3.3 Closing sequence
The number of cycles per minute shall be 10 to 25. External doors shall withstand 100 000 opening and
closing operations without deterioration which could be prejudicial to the airtightness of the door.
ISO 22044:2021(E)
Key
1 door opening
2 door closing
3 angle of closing
4 pusher
5 taut cable
6 slack cable
Figure 1 — Durability of lids and doors
6.2.4 Linear dimensions, areas and volumes
Measurements shall be made with the commercial beverage cooler not in operation but situated in a
place where the temperature is maintained between 16 °C and 30 °C.
For commercial beverage cooler having detachable ends, overall dimensions are given with and without
ends. If the commercial beverage cooler includes jacks or other components for adjustment of height,
the height defined shall be the minimum height necessary at installation of the commercial beverage
cooler.
When measuring the net volume parts necessary for the proper functioning of the commercial beverage
cooler, including shelves used in the calculation of the refrigerated shelf area, these shall be fitted as
intended and the volume representing the space occupied by these parts deducted.
6.3 Tests inside test room
6.3.1 General
The tests which are carried out inside the test room deal with the measurement of the following
characteristics:
— temperature;
— water vapour condensation;
— electrical energy consumption;
— reload test.
These measurements should be made simultaneously.
In the following, general testing conditions which are common for all tests carried out inside the test
room are defined. These conditions concern the test room, the test and M-can, and the measuring
instruments.
ISO 22044:2021(E)
6.3.2 Test room condition
6.3.2.1 General design, walls, floor and radiant heat
The test room shall be a parallelepiped space in which two of the opposite side walls, referred to as
the discharge technical side wall and the return technical side wall, are designed to create an even,
horizontal air flow within the test room. By convention, the distance separating these two technical
side walls is referred to as the “length” of the test room.
The minimum useful dimensions (length, width, height) of the test room shall be dependent on the
overall dimensions (length, depth, height) of the commercial beverage cooler to be tested and on the
location of the display opening of the commercial beverage cooler.
The ceiling and the two non-technical side walls of the room shall be thermally insulated and shall be
equipped with an inner metal skin.
A minimum insulation level equivalent to 60 mm of rigid polyurethane foam (λ = 0,03 W/m °C) should
be used for the building of a new test room.
The floor shall be made of concrete or of thermally equivalent material and/or shall be sufficiently
insulated to ensure that external climatic conditions do not affect the floor temperature.
Lighting shall be installed to maintain 600 lx ± 100 lx measured at a height of 1 m above the floor
level and shall be lit continuously during the test period. The emission spectrum of that lighting device
within the infrared field shall not include peaks of a value of more than 500 W/5 nm/lm.
The walls, ceilings and any partitions of rooms intended for the testing of commercial beverage coolers
shall be painted in light grey (e.g. NCS 2706-G90Y or RAL 7032) with an emissivity between 0,9 and 1 at
25 °C.
6.3.2.2 Thermal and air flow characteristics
An experimental evaluation of the test-room performances shall be carried out minimum once per year
— with test room empty and with lighting switched on;
— in a test-room climate class at 25 °C and 60 % RH;
— measuring the velocity, temperature and relative humidity (RH) of the air at different points of two
vertical planes parallel to the technical side walls and 600 mm away from the technical side walls;
— with the climate measuring point located at the geometrical centre of the test room during this
evaluation.
These measuring points shall form a two-dimensional grid in which the step is a maximum of 500 mm
in the horizontal and vertical directions. The peripheral line of points shall be located at a maximum of
500 mm from the other two side walls, floor and ceiling.
A three-dimensional grid inside the test room shall be investigated when obstacles/irregularities
projected into the room of more than 1 m surface area facing the discharge technical side wall exist
along the walls.
The mean horizontal air velocity measured during 1 min with a maximal interval of 5 s at each of the
points defined above shall lie between 0,1 m/s and 0,2 m/s.
Air temperature measured at each of the points defined above shall not deviate from the rated
temperature of the test-room climate class by more than 2 °C.
The test room shall be capable of maintaining values of humidity within ± 3 units of the relative
humidity percentage figures of the rated humidity of the test room temperature class at the specified
measuring points.
ISO 22044:2021(E)
Surface temperature of walls, ceiling an
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