Energy consumption of vending machines

This document defines methods for the measurement of energy consumption of vending machines, whether or not fitted with refrigerating appliances. The standard applies (but is not limited) to the categories shown in Table 1 of machine types. The following types of vending machine are excluded from this standard: — drink machines dispensing hot and/or cold drinks into cups; — machines with a food heating function; — vending machines operating at temperatures below 0 °C; or — any machine including one or more of these compartments. For verification purposes, it is essential to apply all of the tests specified to a single unit. The tests may also be made individually for the study of a particular characteristic. This standard does not deal with any characteristics of machine design other than energy consumption.

Energieverbrauch von Verkaufsautomaten

Consommation d'énergie des distributeurs automatiques

Le présent document définit des méthodes de mesure de la consommation d'énergie des distributeurs automatiques, qu'ils soient équipés ou non d'appareils de réfrigération. La norme s'applique (entre autres) aux catégories de distributeurs présentées dans le Tableau 1. Les types de distributeurs automatiques suivants ne sont pas couverts par la présente norme: — distributeurs de boissons chaudes et/ou froides dans des gobelets; — distributeurs avec une fonction de chauffage des denrées; — distributeurs automatiques fonctionnant à des températures inférieures à 0 °C; ou — tout distributeur comprenant un ou plusieurs de ces compartiments. À des fins de vérification, il est indispensable d’appliquer tous les essais spécifiés à un seul appareil. Les essais peuvent également être effectués séparément pour l'étude d'une caractéristique particulière. La présente norme ne couvre pas les caractéristiques de conception du distributeur autres que la consommation d'énergie.

Poraba energije prodajnih avtomatov

Ta evropski standard določa metode za merjenje porabe energije prodajnih avtomatov z nameščenim hladilnim aparatom ali brez njega.
Standard se uporablja (med drugim) za kategorije, prikazane v preglednici 1 s tipi strojev.
Za namene overjanja je treba za posamezno enoto opraviti vse predpisane preskuse.  Za proučevanje določene značilnosti se lahko preskusi opravijo tudi ločeno.
Ta standard ne obravnava nobene druge značilnosti strojev, razen porabe energije.

General Information

Status
Published
Publication Date
29-Nov-2018
Current Stage
6060 - Document made available
Due Date
30-Nov-2018
Completion Date
30-Nov-2018

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SLOVENSKI STANDARD
SIST EN 50597:2019
01-januar-2019
1DGRPHãþD
SIST EN 50597:2015
Poraba energije prodajnih avtomatov
Energy consumption of vending machines
Energieverbrauch von Verkaufsautomaten
Consommation d'énergie des distributeurs automatiques
Ta slovenski standard je istoveten z: EN 50597:2018
ICS:
27.010 Prenos energije in toplote na Energy and heat transfer
splošno engineering in general
55.230 Razdelilni in prodajni Distribution and vending
avtomati machines
SIST EN 50597:2019 en,fr

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

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SIST EN 50597:2019
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SIST EN 50597:2019
EUROPEAN STANDARD EN 50597
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2018
ICS 27.010; 55.230; 97.040.30 Supersedes EN 50597:2015
English Version
Energy consumption of vending machines

Consommation d'énergie des distributeurs automatiques Energieverbrauch von Verkaufsautomaten

This European Standard was approved by CENELEC on 2018-07-23. CENELEC members are bound to comply with the CEN/CENELEC

Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC

Management Centre or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation

under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the

same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,

Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,

Switzerland, Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN 50597:2018 E
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SIST EN 50597:2019
EN 50597:2018 (E)
Contents Page

European foreword ............................................................................................................................................. 3

Introduction ......................................................................................................................................................... 4

1 Scope ......................................................................................................................................................... 5

2 Normative references ................................................................................................................................. 5

3 Terms and definitions ................................................................................................................................. 6

3.1 Terms relating specifically to the vending process .......................................................................... 6

3.2 Relating to the tests .......................................................................................................................... 8

4 General requirements ................................................................................................................................ 8

4.1 Applicability ...................................................................................................................................... 8

4.2 Test room ......................................................................................................................................... 9

4.3 Instruments, measuring equipment and measuring accuracy ......................................................... 9

4.4 Power supply .................................................................................................................................. 10

5 Conditions for the tests ............................................................................................................................ 10

5.1 General ........................................................................................................................................... 10

5.2 Equipment location for test ............................................................................................................. 10

5.3 Energy consumption and recording ............................................................................................... 10

5.4 M-cans ............................................................................................................................................ 10

5.5 Product loading for test .................................................................................................................. 11

5.6 Product storage temperatures ........................................................................................................ 11

5.7 Stabilization .................................................................................................................................... 11

6 Energy consumption measurement ......................................................................................................... 12

6.1 General ........................................................................................................................................... 12

6.2 Loading and pull down test ............................................................................................................ 12

6.2.1 Test procedure ........................................................................................................................... 12

6.2.2 Loading for loading and pull-down test ...................................................................................... 13

6.2.3 Measurement for loading and pull-down test ............................................................................. 13

6.3 Ready mode, energy saving mode and recovery period measurements ...................................... 13

6.3.1 General ...................................................................................................................................... 13

6.3.2 Test procedure ........................................................................................................................... 14

6.3.3 Measurement ............................................................................................................................. 14

6.4 Measurement of the net volume ..................................................................................................... 15

7 Calculations - Energy consumption ......................................................................................................... 15

8 Marking plate ............................................................................................................................................ 15

Annex A (informative) Test timeline ................................................................................................................. 16

Annex B (informative) Test report template ..................................................................................................... 17

Bibliography ...................................................................................................................................................... 24

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SIST EN 50597:2019
EN 50597:2018 (E)
European foreword

This document (EN 50597:2018) was prepared by CLC/TC 59X, "Performance of household and similar

electrical appliances", WG11, "Power consumption of vending machines".
The following dates are fixed:
• latest date by which this document has (dop) 2019-05-30
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2021-11-30
standards conflicting with this document
have to be withdrawn
This document supersedes EN 50597:2015.

EN 50597:2018 includes the following significant technical changes with respect to EN 50597:2015:

The ambient test conditions have been harmonised with those in other related standards. The order of tests

has been modified to make the testing less time consuming and more efficient. This revised standard

includes an extra category of machine: one divided vertically into two compartments each with different

functions.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

This document has been prepared under a mandate given to CENELEC by the European Commission and

the European Free Trade Association.
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SIST EN 50597:2019
EN 50597:2018 (E)
Introduction

Vending machines are included in the European Commission’s eco-design study on ENER Lot 12. It is

foreseen that an Ecodesign Regulation implementing Directive 2009/125/EC on the eco-design of energy-

related products will be adopted in the future, and a corresponding standardization request will be issued to

CEN and CENELEC accordingly. The development of the present European Standard was deemed

necessary in order to anticipate the above-mentioned developments.
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SIST EN 50597:2019
EN 50597:2018 (E)
1 Scope

This document defines methods for the measurement of energy consumption of vending machines, whether

or not fitted with refrigerating appliances.

The standard applies (but is not limited) to the categories shown in Table 1 of machine types.

Table 1 — Vending machine categories
CATEGORY MACHINE TYPE
1 Refrigerated closed fronted can and bottle machines where the products
are held in stacks
2 Refrigerated glass fronted can and bottle, confectionery & snack
machines
3 Refrigerated glass fronted machines entirely for perishable foodstuffs
4 Refrigerated dual-temperature glass fronted machines
5 Confectionery and snack machines that are not refrigerated
6 Combination machines consisting of two different categories of machine
in the same housing and powered by one chiller
The following types of vending machine are excluded from this standard:
— drink machines dispensing hot and/or cold drinks into cups;
— machines with a food heating function;
— vending machines operating at temperatures below 0 °C; or
— any machine including one or more of these compartments.

For verification purposes, it is essential to apply all of the tests specified to a single unit. The tests may also

be made individually for the study of a particular characteristic.

This standard does not deal with any characteristics of machine design other than energy consumption.

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.

EN 50564, Electrical and electronic household and office equipment — Measurement of low power

consumption

EN 60335-1, Household and similar electrical appliances — Safety — Part 1: General requirements

(IEC 60335-1)

EN 60335-2-75, Household and similar electrical appliances — Safety — Part 2-75: Particular requirements

for commercial dispensing appliances and vending machines (IEC 60335-2-75)

ISO 5149-2, Refrigerating systems and heat pumps — Safety and environmental requirements — Part 2:

Design, construction, testing, marking and documentation

ISO 5149-3, Refrigerating systems and heat pumps — Safety and environmental requirements — Part 3:

Installation site
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EN 50597:2018 (E)
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 http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1 Terms relating specifically to the vending process
3.1.1
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 the automatic removal of defrost water.
3.1.2
cabinet
enclosure within a vending machine in which product is held ready to be vended
3.1.3
automatic energy saving mode

mode of a vending machine in which energy reducing measures are automatically applied as a result of

operational controls fitted by the manufacturer
Note 1 to entry: These could include light or movement sensors.

Note 2 to entry: Timers or other controls that can be adjusted by the machine operating company do not qualify as

automatic unless they have a permanent minimum configuration level that cannot be overridden by the machine

operating company, in which case they may be operational for the automatic energy saving mode test at their minimum

configuration.
3.1.4
factory settings

settings that are made in the factory before the machine is sent to the customer, including but not limited to

thermostat settings, defrost cycles and energy saving features
3.1.5
health control cut out function

machines intended entirely for the storage and vending of perishable foodstuffs or with a compartment for

the storage and vending of such foodstuffs shall be fitted with a function that prevents vending of foodstuff if

the machine or compartment experiences a time/temperature condition outside that permitted under food

safety regulations
3.1.6
loading or filling
process of putting products into the vending machine
Note 1 to entry: This may require the door of the machine to be open.
3.1.7
manufacturer’s instructions

instructions that accompany the machine, including advice on installation of the machine at the final

operating location
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SIST EN 50597:2019
EN 50597:2018 (E)
3.1.8
non-refrigerated machines
vending machines with no refrigeration system fitted

Note 1 to entry: These may dispense a variety of products including but not limited to newspapers, non-perishable

snacks and toys.
3.1.9
perishable foodstuffs

foods, such as dairy products, sandwiches and plated meals that are required to be kept chilled under food

safety regulations
Note 1 to entry: Requirements vary between EU Member States.
3.1.10
pull down

reduction of temperature inside the product storage area of a chilled vending machine to the machine’s

nominal operating temperature as specified by the manufacturer
Note 1 to entry: For example, as required following the loading operation.
3.1.11
ready mode

mode of a vending machine in which the machine is available (ready) for use but no products are taken. In

this mode vended products are available for immediate delivery
3.1.12
refrigerated dual temperature glass fronted machines

machines which can be set up to have more than one compartment, each of which is held at a different

temperature, one of which is for perishable food

Note 1 to entry: The presence of a health control cut-out function in the perishable food compartment is

essential.

Note 2 to entry: The compartments in these machines are sized according to the needs of the final customer. In

practice, they are operated with no more than 50 % capacity at perishable food temperatures.

Note 3 to entry: If the machine includes a food safety thermal cut-out functionality, then for the purposes of testing, that

compartment with the safety cut-out is deemed for storage of perishable foodstuff.

3.1.13
vending machine entirely for perishable foodstuffs

machine designed for the safe storage of perishable foods that meet the necessary regulatory requirements

Note 1 to entry: Presence of a health control cut-out function is an essential part of that requirement.

3.1.14
vending mode
transient mode of a vending machine during which products are dispensed
3.1.15
zone cooled vending machine

vending machines for which the cabinet is not fully cooled throughout its volume and in which product is

cooled to the final vending temperature only as it reaches close to the dispensing mechanism (this is the

usual configuration for category 1 machines)

Note 1 to entry: Zone cooled machines are not appropriate for perishable foodstuffs.

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EN 50597:2018 (E)
3.2 Relating to the tests
3.2.1
M-can

test can used to simulate a product during tests, fitted with a temperature measuring device

3.2.2
net volume

net internal refrigerated volume of the cabinet within which the products directly available for vending are

contained, measured according to 6.4
3.2.3
normal conditions of use

operating conditions which exist when the cabinet is in service with all permanently located accessories, set

up and situated as stated in the manufacturer's instructions / technical documentation

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 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.
3.2.4
test package
food product used as load when testing chilled food compartments

Note 1 to entry: The test packages used in these tests shall be commercially available, unopened, 330 ml cans of

drinks. The difference in heat capacity of different drinks is insignificant.
4 General requirements
4.1 Applicability

This European Standard establishes the tests and calculations necessary to determine the energy rating of a

vending machine.

The standard relates to the categories of vending machines described in Table 2 and to any combination of

them.
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SIST EN 50597:2019
EN 50597:2018 (E)
Table 2 — Description of vending machine categories
CATEGORY MACHINE TYPE COMMENT

1 Refrigerated closed fronted can and bottle These machines serve refrigerated beverages

machines where the products are held in stacks that are not visible before vending.

2 Refrigerated glass fronted can and bottle, These machines are for foodstuffs which are

confectionery & snack machines refrigerated for reasons not related to food
safety

3 Refrigerated glass fronted machines entirely for These machines are refrigerated for food safety

perishable foodstuffs reasons and have a health control cut-out
function

4 Refrigerated dual-temperature glass fronted These machines have two compartments, each

machines of which is held at a different temperature, one
of which is for perishable food. The
compartment containing perishable food shall be
controlled by a health control cut-out function.

5 Confectionery and snack machines that are not These machines store product at ambient

refrigerated temperature without cooling

6 Combination machines consisting of two The machines usually consist of two machine

different categories of machine in the same modules separated by a vertical panel but could

housing and powered by one chiller. also be two units mounted one above the other.

Typical combination machine would consist of a
closed fronted bottle machine and a glass
fronted snack machine, or two separate food
and snack machines.

The machine manufacturer shall provide adequate information to confirm that the machine is suitable for

testing according to this specification and that it can perform the tests as required, if necessary with minimum

intervention by manufacturers’ technical staff.
Information shall be provided by completing the test report in Annex B.
4.2 Test room

Tests shall be carried out in a test room at climate class 3, (25 ± 1) °C and (60 ± 5) % relative humidity with

defined air movement. The conditions in the test room shall be measured by a probe located 500 mm

upstream of the vending machine (on the air supply side of the cabinet) in line with the front of the cabinet

and at half the height of the vending machine being tested.

Lighting shall be installed to maintain (600 ± 100) lx measured at a height of 1 m above the floor level.

Air movement shall be provided. The air movement shall be, as far as practicable, parallel to the plane of the

cabinet opening and to the horizontal axis. The air velocity at any point on the vertical side of the vending

machine shall be between 0,1 m/s and 0,2 m/s.

The direction of air flow shall be such that the air does not enter the cabinet when the door is open.

4.3 Instruments, measuring equipment and measuring accuracy
All measurement shall be carried out with instruments that have been calibrated.

Temperature measurements shall be made to an accuracy of ±1 °C. The time interval between temperature

measurements should be no greater than 1 min.
Time measurements shall be made to the nearest [0,01] hours.
Relative humidity shall be measured to an accuracy of ± 5 %.
Electrical energy consumption shall be measured to a resolution of ± 0,01
...

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