SIST EN 50597:2015
(Main)Energy consumption of vending machines
Energy consumption of vending machines
This European Standard defines methods for the measurement of energy consumption of vending
machines, whether or not fitted with refrigerating appliances.
The European Standard applies (but is not limited) to the following categories of machine types:
For verification purposes all the tests specified need to be applied to a single unit. The tests may also
be made individually for the study of a particular characteristic.
This European Standard does not deal with any characteristics of machine design other than energy
consumption.
Energieverbrauch von Verkaufsautomaten
Consommation d'énergie des distributeurs automatiques
Poraba energije prodajnih avtomatov
Ta evropski standard določa metode za merjenje porabe energije prodajnih avtomatov z nameščenim hladilnim aparatom ali brez njega. Ta evropski standard se uporablja (med drugim) za naslednje kategorije tipov strojev:
Za namene overjanja je treba za posamezno enoto opraviti vse predpisane preskuse. Za proučevanje določene značilnosti se lahko preskusi opravijo tudi ločeno. Ta evropski standard ne obravnava nobene druge značilnosti strojev, razen porabe energije.
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Poraba energije prodajnih avtomatovEnergieverbrauch von VerkaufsautomatenEnergy consumption of vending machines55.230Razdelilni in prodajni avtomatiDistribution and vending machines27.010Prenos energije in toplote na splošnoEnergy and heat transfer engineering in generalICS:Ta slovenski standard je istoveten z:EN 50597:2015SIST EN 50597:2015en01-december-2015SIST EN 50597:2015SLOVENSKI
STANDARD
SIST EN 50597:2015
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 50597
October 2015 ICS 27.010; 55.230; 97.040.30 English Version
Energy Consumption of Vending Machines
Consommation d'énergie des distributeurs automatiques
Energieverbrauch von Verkaufsautomaten This European Standard was approved by CENELEC on 2015-09-07. 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, 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: Avenue Marnix 17,
B-1000 Brussels © 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50597:2015 ESIST EN 50597:2015
EN 50597:2015 (E) 2 Contents Page European foreword .4 Introduction .5 1 Scope .6 2 Normative references .6 3 Terms and definitions .6 4 General requirements .9 4.1 Applicability .9 4.2 Test room .9 4.3 Instruments, measuring equipment and measuring accuracy . 10 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 . 11 5.4 Product Temperature sensors . 11 5.5 Product loading for test . 11 5.6 Product storage temperatures . 11 5.7 Stabilization . 12 6 Energy consumption measurement . 12 6.1 General . 12 6.2 Ready mode, energy saving mode and recovery period measurements . 13 6.2.1 General . 13 6.2.2 Test procedure . 13 6.2.3 Measurement . 14 6.3 Reloading and pull down test . 14 6.3.1 Test procedure . 14 SIST EN 50597:2015
EN 50597:2015 (E) 3 6.3.2 Loading for reloading and pull-down test . 14 6.3.3 Measurement for reloading and pull-down test . 15 6.4 Measurement of the net volume . 15 7 Calculations — Energy consumption . 16 Annex A (informative)
Test timeline . 17 Annex B (informative)
List of measurements to be reported . 18 Bibliography . 24
SIST EN 50597:2015
EN 50597:2015 (E) 4 European foreword This document (EN 50597:2015) has been prepared by CLC/TC 59X "Performance of household and similar electrical appliances". The following dates are fixed: • latest date by which this document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2016-09-07 • latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2018-09-07
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights. SIST EN 50597:2015
EN 50597:2015 (E) 5 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 a view to anticipate the above-mentioned developments. SIST EN 50597:2015
EN 50597:2015 (E) 6 1 Scope This European Standard defines methods for the measurement of energy consumption of vending machines, whether or not fitted with refrigerating appliances. The European Standard applies (but is not limited) to the following categories 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 multi-temperature glass fronted machines 5 Confectionery and snack machines that are not refrigerated For verification purposes all the tests specified need to be applied to a single unit. The tests may also be made individually for the study of a particular characteristic. This European Standard does not deal with any characteristics of machine design other than energy consumption. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 50564, Electrical and electronic household and office equipment — Measurement of low power consumption 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 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 products are 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 SIST EN 50597:2015
EN 50597:2015 (E) 7 Note 1 to entry: These operational controls could include light or movement sensors. 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; these include, but are not limited to, thermostat settings, defrost cycles and energy saving features 3.1.5 health control cut out function function that prevents vending of foodstuff if the machine or compartment experiences a time/temperature condition outside that permitted under food safety regulations Note 1 to entry: This function is fitted on machines intended entirely for the storage and vending of perishable foodstuffs or with a compartment for the storage and vending of such foodstuffs. 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 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, 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, and in which vended products are available for immediate delivery 3.1.12 refrigerated multi-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 SIST EN 50597:2015
EN 50597:2015 (E) 8 Note 1 to entry: The presence of a health control cutout 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. 3.1.13 vending machine entirely for perishable foodstuffs machines designed for the safe storage of perishable foods that meet the necessary regulatory requirements Note 1 to entry: Presence of a health control cutout 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
Note 1 to entry: This is the usual configuration for category 1 machines. Note 2 to entry: Zone cooled machines are not appropriate for perishable foodstuffs. 3.2 Relating to the tests: 3.2.1 net volume net internal refrigerated volume of the cabinet within which the products directly available for vending are contained, measured according to 6.4 3.2.2 normal conditions of use operating conditions which exist when the cabinet, including all permanently located accessories, has been set up and situated as stated in the manufacturer's instructions / technical documentation 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 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. 3.2.3 test package food product used as load when testing chilled food compartments Note 1 to entry: The test packages used in these tests need to be commercially available, unopened, 330 ml cans of soft drinks. Note 2 to entry: It has been established that the difference in heat capacity of cans of different soft drinks is insignificant in these tests. SIST EN 50597:2015
EN 50597:2015 (E) 9 4 General requirements 4.1 Applicability This 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. Table 2 — Description of vending machine categories CATEGORY MACHINE TYPE COMMENT 1 Refrigerated closed fronted can and bottle machines where the products are held in stacks These machines serve refrigerated beverages that are not visible before vending. 2 Refrigerated glass fronted can and bottle, confectionery & snack machines These machines are refrigerated for foodstuffs serving quality reasons not related to food safety. 3 Refrigerated glass fronted machines entirely for perishable foodstuffs These machines are refrigerated for food safety reasons and have a health control cutout function. 4 Refrigerated multi-temperature glass fronted machines These machines have more than one compartment, each 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 cutout function. 5 Confectionery and snack machines that are not refrigerated These machines store product at ambient temperature without cooling. The following types of vending machine are excluded from this standard: • ice cream vending machines; • drink machines dispensing hot and/or cold drinks into cups; • vending machines operating at temperatures below 0°C. 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 (23 ± 2) °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. SIST EN 50597:2015
EN 50597:2015 (E) 10 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 measurements shall be carried out with instruments that have been calibrated. Temperature measurements shall be made to an accuracy of ±1 °C. Time measurements shall be made to the nearest [0,01] h. Relative humidity shall be measured to an accuracy of ± 5%. Electrical energy consumption shall be measured to a resolution of ± 0,01 kWh and with an accuracy of ± 1%. NOTE See EN 50564 for guidance on power measurement. 4.4 Power supply The tolerance on power supply shall be ± 2% for voltage and ± 1% for frequency in relation to the nominal values given on the marking plate or otherwise stated by the manufacturer. 5 Conditions for the tests 5.1 General Each machine intended to be tested shall be selected from stock or routine production and sha
...
SLOVENSKI STANDARD
oSIST prEN 50597:2014
01-februar-2014
Poraba energije prodajnih avtomatov
Energy consumption of vending machines
Energieverbrauch von Verkaufsautomaten
Ta slovenski standard je istoveten z: prEN 50597:2013
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
oSIST prEN 50597:2014 en,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 50597:2014
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oSIST prEN 50597:2014
DRAFT
EUROPEAN STANDARD
prEN 50597
NORME EUROPÉENNE
December 2013
EUROPÄISCHE NORM
ICS 27.010; 55.230; 97.040.30
English version
Energy consumption of vending machines
To be completed Energieverbrauch von Verkaufsautomaten
This draft European Standard is submitted to CENELEC members for CENELEC enquiry.
Deadline for CENELEC: 2014-05-09.
It has been drawn up by CLC/TC 59.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CENELEC 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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to
change without notice and shall not be referred to as a European Standard.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Project: 24421 Ref. No. prEN 50597:2013 E
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Contents
Foreword .3
Introduction .4
1 Scope .5
2 Normative references .6
3 Terms and definitions .7
3.1 Relating specifically to the vending process .7
3.2 Relating to the tests .8
4 General requirements .9
4.1 Applicability .9
4.2 Test room . 10
4.3 Instruments, measuring equipment and measuring accuracy . 10
4.4 Power supply . 10
5 Conditions for the tests . 11
5.1 General . 11
5.2 Equipment location for test . 11
5.3 Energy consumption and recording . 11
5.4 Product Temperature sensors . 11
5.5 Product loading for test . 12
5.6 Product storage temperatures . 12
5.7 Stabilisation . 13
6 Energy consumption measurement . 13
6.1 General . 13
6.2 Ready mode, energy saving mode and recovery period measurements . 14
6.3 Reloading and pull down test . 16
6.4 Measurement of the net volume . 17
7 Calculations . 17
7.1 energy consumption . 17
7.2 equivalent volume . 18
7.3 Volumetric efficiency . 18
Annex A (informative) Guidelines on climatic classification . 19
Annex B (informative) Test timeline . 20
Annex C (informative) Test report template . 21
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Foreword
This document (prEN 50597:2013) has been prepared by CLC/TC 59 "Performance
of household and similar electrical appliances".
This document is currently submitted to the Enquiry.
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Introduction
Due to mandate 495, Standardisation mandate to CEN, CENELEC and ETSI under
Directive 2009/125/EC relating to harmonised standards in the field of Ecodesign,
Annex A; this standard became necessary.
Vending machines are included under Lot 12 of the Energy Using Products Directive
2005/32 EC.
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1 Scope
This International Standard 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 following categories of machine types:
Table 1 - Vending machine categories
CATEGORY MACHINE TYPE
1 Refrigerated closed face can & bottle machines
2 Refrigerated glass fronted confectionery & snack machines
3 Refrigerated glass fronted machines for perishable foodstuffs
4 Confectionery and snack machines that are not refrigerated
For verification purposes all the tests specified are to be applied 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.
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2 Normative references
The following documents, in whole or in part, are normatively referenced in this
document and are indispensable for its application. For dated references, only the
edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
EN 50564:2011, Electrical and electronic household and office equipment.
Measurement of low power consumption
EN 62552, ed. 1.0, Household refrigerating appliances. Characteristics and test
methods (IEC 62552)
EN ISO 23953-1:2005+A1:2012, Refrigerated display cabinets - Part 1: Vocabulary
(ISO 23953-1:2005 + A1:2012)
EN ISO 23953-2:2005+A1:2012, Refrigerated display cabinets - Part 2:
Classification, requirements and test conditions ISO 23953-2:2005 +A 1:2012
EN ISO 15502:2005, Household refrigerating appliances - Characteristics and test
Methods (ISO 15502:2005)
CENELEC Internal Guide: TC59X/WG16/(Sec)008/INF - Method for calculation of
uncertainty of measurements
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3 Terms and definitions
For the purpose of this document, the following terms and definitions apply.
3.1 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. These could
include light or movement sensors. 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;
these include, but are not limited to, thermostat settings, defrost cycles and energy
saving features
3.1.5
health control cut out function
machines intended for the storage and vending of perishable foodstuffs must be
fitted with a function that prevents vending if the foodstuff experiences a
time/temperature condition outside that permitted under food safety regulations.
Machines with a health control cutout function are deemed category 3 machines; any
machines without an equivalent function cannot qualify as category 3 machines
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.
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3.1.7
manufacturer’s instructions
instructions that accompany the machine, including advice on installation of the
machine at the final operating location
3.1.8
non-refrigerated machines
vending machines with no refrigeration system fitted. 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. 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. 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
vending machine for perishable foodstuffs
machines designed for the safe storage of perishable foods that meet the necessary
regulatory requirements. Presence of a health control cutout function is an essential
part of that requirement
3.1.13
vending mode
transient mode of a vending machine during which products are dispensed
3.1.14
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.
3.2 Relating to the tests
3.2.1
climate class
climate conditions under which the machine is designed to operate, see Annex A
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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, including all permanently located
accessories, has been set up and situated as stated in the manufacturer's
instructions / technical documentation 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 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. The test
packages used in these tests shall be commercially available, unopened, 330 ml
cans of soft drinks.
It has been established that the difference in heat capacity of cans of different soft
drinks is insignificant in these tests
4 General requirements
4.1 Applicability
This 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.
Table 2 - Description of vending machine categories
CATEGORY MACHINE TYPE COMMENT
1 Refrigerated closed face can & These machines serve
bottle machines refrigerated beverages that are
not visible before vending.
2 Refrigerated glass fronted These machines are refrigerated
confectionery & snack machines for foodstuffs serving quality
reasons not related to food safety
3 Refrigerated glass fronted These machines are refrigerated
machines for perishable for food safety reasons and have
foodstuffs a health control cutout function
4 Confectionery and snack These machines store product at
machines that are not refrigerated ambient temperature without
cooling
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The following types of vending machine are excluded from this standard:
• ice cream vending machines;
• drink machines dispensing hot and/or cold drinks into cups;
• vending machines operating at temperatures below 0°C.
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 C.
4.2 Test room
Tests shall be carried out in a draught free test room at 23 °C and 60 % relative
humidity. During the test, the test room shall be capable of maintaining values of
temperature and humidity within ±2 °C of the required temperature and ±5 units of
the required relative humidity percentage figures when measured by a probe located
100 mm above the centre of the vending machine being tested as in figure 1.
The room shall be of such size to allow sufficient space around the vending machine
as per 5.2.
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.
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 ±0.01kWh and
with an accuracy of ±0.5 %. See EN 50564 for guidance on power measurement.
4.4 Power supply
The tolerance on power supply shall be ±2 % for voltage and ±1 % for frequency in
relation to the nominal values given on the marking plate or otherwise stated by the
manufacturer.
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5 Conditions for the tests
5.1 General
Each machine intended to be tested shall be selected from stock or routine
production and shall be typical in construction and have only default settings as
supplied on delivery to the customer except as required to meet 5.6 and to achieve
the operational modes require under 6.2.2.
Machines are to be prepared according to the manufacturer’s instructions as if
they were to be installed in their intended vending location, including the fitting of
parts such as leg covers and spacers.
Unless otherwise specified, the tests are carried out on a single machine that shall
withstand all the relevant tests and carried out in the order given in this standard.
If it is evident from the construction of the machine that a particular test is not
applicable, the test is not carried out.
...
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