Refrigerated display scooping cabinets and pozzetto for gelato - Classification, requirements, performance and energy consumption testing

This document specifies classification, requirements for the construction, performance and energy consumption testing of gelato scooping cabinets and pozzetto used to sale and/or display artisan and self made gelato. It specifies test conditions and methods for checking that the requirements have been satisfied, their marking and the list of their characteristics to be declared by the manufacturer.

Verkaufskühlmöbel und Pozzetti für Speiseeis - Klassifizierung, Anforderungen, Leistung und Energieaufnahmeprüfung

Dieses Dokument legt die Klassifizierung, Anforderungen an die Konstruktion sowie Leistungs- und Energieaufnahmeprüfung von Verkaufskühlmöbeln für Speiseeis und Pozzetti fest, die für den Verkauf und/oder die Präsentation von handwerklich hergestelltem und selbstgefertigtem Speiseeis verwendet werden. Es werden Prüfbedingungen und Verfahren zur Überprüfung der Erfüllung der Anforderungen festgelegt; darüber hinaus werden deren Markierung sowie eine Auflistung der durch den Hersteller anzugebenden Eigenschaften aufgeführt.

Vitrines réfrigérées de vente de glace et pozzetto - Classification, exigences, performance et essai de consommation énergétique

Hladilne vitrine in skrinje za sladoled - Razvrščanje, zahteve, zmogljivost in preskus porabe energije

General Information

Status
Not Published
Public Enquiry End Date
18-Apr-2023
Technical Committee
Current Stage
4020 - Public enquire (PE) (Adopted Project)
Start Date
02-Feb-2023
Due Date
22-Jun-2023
Completion Date
20-Apr-2023

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Standards Content (Sample)

SLOVENSKI STANDARD
oSIST prEN 16838:2023
01-marec-2023
Nadomešča:
SIST EN 16838:2019
Hladilne vitrine in skrinje za sladoled - Razvrščanje, zahteve, zmogljivost in
preskus porabe energije
Refrigerated display scooping cabinets and pozzetto for gelato - Classification,
requirements, performance and energy consumption testing
Verkaufskühlmöbel und Pozzetti für Speiseeis - Klassifizierung, Anforderungen, Leistung
und Energieaufnahmeprüfung
Vitrines réfrigérées de vente de glace et pozzetto - Classification, exigences,
performance et essai de consommation énergétique
Ta slovenski standard je istoveten z: prEN 16838
ICS:
97.130.20 Hladilne naprave za trgovine Commercial refrigerating
appliances
oSIST prEN 16838:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 16838:2023

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oSIST prEN 16838:2023


DRAFT
EUROPEAN STANDARD
prEN 16838
NORME EUROPÉENNE

EUROPÄISCHE NORM

January 2023
ICS 97.130.20 Will supersede EN 16838:2019
English Version

Refrigerated display scooping cabinets and pozzetto for
gelato - Classification, requirements, performance and
energy consumption testing
Vitrines réfrigérées de vente de glace et pozzetto - Verkaufskühlmöbel und Pozzetti für Speiseeis -
Classification, exigences, performance et essai de Klassifizierung, Anforderungen, Leistung und
consommation énergétique Energieaufnahmeprüfung
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 44.

If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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, Türkiye and
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.


EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE N O R M A L I S A T IO N

EUROPÄISCHES KOMITEE FÜR NORMUN G

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 16838:2023 E
worldwide for CEN national Members.

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oSIST prEN 16838:2023
prEN 16838:2023(E)
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Symbols and abbreviations . 7
5 Requirements . 8
5.1 Construction . 8
5.2 Operating characteristics . 11
6 Test condition . 13
6.1 General. 13
6.2 Tests outside test room . 14
6.3 Tests inside test room . 16
7 Test report . 45
7.1 General. 45
7.2 Tests outside test room . 45
7.3 Tests inside test room . 46
8 Marking . 50
8.1 Marking plate . 50
8.2 Information to be supplied by the manufacturer . 50
Annex A (normative) Data requirements for performance and energy rating of gelato
scooping cabinets and pozzetto . 52
Annex ZA (informative) Relationship between this European Standard and the ecodesign
requirements of Commission Regulation (EU) 2019/2024 aimed to be covered . 56
Annex ZB (informative) Relationship between this European Standard and the energy
labelling requirements of Commission Delegated Regulation (EU) No 2019/2018
aimed to be covered . 57
Bibliography . 58

2

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oSIST prEN 16838:2023
prEN 16838:2023 (E)
European foreword
This document (prEN 16838:2023) has been prepared by Technical Committee CEN/TC 44
“Commercial and Professional Refrigerating Appliances and Systems, Performance and Energy
Consumption”, the secretariat of which is held by UNI.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 16838:2019.
This document includes the following significant technical changes with respect to EN 16838:2019:
— addition of Annex ZA and Annex ZB;
— definition of the split system and relevant method for the measurement of energy consumption.
This document has been prepared under a Standardization Request given to CEN by the European
Commission and the European Free Trade Association, and supports essential requirements of
EU Directive(s) / Regulation(s).
For relationship with EU Directive(s) / Regulation(s), see informative Annex ZA and ZB, which are
integral parts of this document.
3

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oSIST prEN 16838:2023
prEN 16838:2023(E)
1 Scope
This document specifies classification, requirements for the construction, performance and energy
consumption testing of gelato scooping cabinets and pozzetto used to sale and/or display artisan and
self made gelato. It specifies test conditions and methods for checking that the requirements have been
satisfied, their marking and the list of their characteristics to be declared by the manufacturer.
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.
IEC 60335-1:2020, Household and similar electrical appliances — Safety — Part 1: General requirements
IEC 60335-2-89:2019, 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
ISO 5149-2:2014, Refrigerating systems and heat pumps — Safety and environmental requirements —
Part 2: Design, construction, testing, marking and documentation
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
gelato scooping cabinets
refrigerating appliance with a direct sales function which enables artisan and self made gelato
contained in tubs to be stored, displayed and scooped within prescribed temperature limits
Note 1 to entry: Artisan and self made gelato are hereafter called “gelato”.
3.2
pozzetto
refrigerating appliance with a direct sales function which enables artisan and self made gelato
contained in tubs to be stored and scooped within prescribed temperature limits
3.3
storage section
non-visible part of the gelato scooping cabinet used only to store the product, separated from the
display volume and with a different access
3.4
display section
visible part of the gelato scooping cabinet used to display and to scoop the product
4

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oSIST prEN 16838:2023
prEN 16838:2023 (E)
3.5
pozzetto section
part of the pozzetto used to scoop the product
3.6
covers
sliding door or night curtain or swivel panes
3.7
lid
removable cover for pozzetto section
3.8
gelato tub
container intended to store gelato
3.9
net volume
volume containing gelato within the top edge of the tub
3.10
top display area of gelato tub
area delimited by the external perimeter of a gelato tub open side
3.11
front display area of gelato tub
area delimited by the external perimeter of a gelato tub front side
3.12
lateral display area of gelato tub
area delimited by the external perimeter of a gelato tub lateral side
3.13
total net storage volume
Vs
sum of net volume of each tub contained in the storage section
3.14
total net volume of pozzetto section
Vp
sum of net volume of each tub contained in pozzetto section
3.15
total display area
TDA
sum of the top, front and lateral display areas of each visible gelato tub
3.16
product family
group of gelato scooping cabinets and pozzetto in accordance with Table A.1
5

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oSIST prEN 16838:2023
prEN 16838:2023(E)
3.17
anti-condensate energy consumption
AEC
energy consumed to remove condensate on the external surface of the gelato scooping cabinet and
pozzetto, which includes fan and condensate heater energy expressed in kW⋅h per day
3.18
defrost energy consumption
DFEC
energy consumed by defrost heaters during defrost period expressed in kW⋅h per day
3.19
fan energy consumption
FEC
energy consumed by fan motors expressed in kW⋅h per day
3.20
lighting energy consumption
LEC
energy consumed by lights fitted in the gelato scooping cabinet and pozzetto, expressed in kW⋅h per day
3.21
condensate evaporator pan energy consumption
PEC
energy consumed to evaporate water collected from defrost expressed in kW⋅h per day
3.22
total revised refrigeration energy consumption
TECR
total revised energy consumption obtained from DEC and additional or alternative component energy
consumption
3.23
direct electrical energy consumption
DEC
daily electrical energy consumption of electrical components of the cabinet
3.24
refrigeration electrical energy consumption
REC
daily refrigeration electrical energy consumption for remote gelato scooping cabinet and remote
pozzetto for compression-type refrigerating system
3.25
total energy consumption
TEC
sum of direct electrical energy consumption and refrigeration electrical energy consumption
3.26
condensing unit
combination of one or more compressors, condensers, and liquid receivers (when required) and the
regularly furnished accessories
6

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oSIST prEN 16838:2023
prEN 16838:2023 (E)
3.27
remote condensing unit
condensing unit that is located remotely from the the gelato scooping cabinet and pozzetto, which is not
an integral part of the cabinet
3.28
split condensing unit
condensing unit that is located remotely from the the gelato scooping cabinet and pozzetto, which is
supplied with the cabinet
4 Symbols and abbreviations
t running time — time during which compressor is running (or solenoid valve is open),
run
within 24 h, expressed in hours
t stopping time — time during which compressor is not running (or solenoid valve is closed)
stop
within 24 h and excluding defrost time, expressed in hours
t defrost time — time during which compressor is running and hot gas solenoid valve is
deft
open (or reverse cycle valve is open)
q mass flow rate of liquid refrigerant in kilograms per second
m
Δt time between two consecutive measuring samples, in hours
N number of measuring samples in 24 h
max
n number of defrosts during 24 h
deft
TDA total display area, in square meters
Vp total net volume of pozzetto section, in litres
Vs total net volume of storage section, in litres
TEC/TDA specific energy gonsumption (SEC-D) for gelato scooping cabinet expressed in kilowatt
hours per 24 h per square meters
TEC/Vp specific energy consumption (SEC-Vp) for pozzetto expressed in kilowatt hours per 24 h
per litres
t relative or percentage running time:
rr
tt
run run
t
rr
t +−t 24 t
run stop deft
where

t +t +=t 24 h
run stop deft
Φ instant heat extraction rate in kilowatts
n
7
==

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prEN 16838:2023(E)
h , h specific enthalpy in kilojoules per kilogram, where state in Figure 12 corresponds to
8 4
refrigerant outlet, and state in Figure 13 to refrigerant inlet, of gelato scooping cabinet and
pozzetto
θ refrigerant temperature at evaporator outlet, in degrees Celsius
7
θ refrigerant temperature at the gelato scooping cabinet and pozzetto outlet, in degrees
8
Celsius
θ refrigerant temperature at the gelato scooping cabinet and pozzetto inlet, in degrees
4
Celsius
θ refrigerant temperature at evaporator inlet, in degrees Celsius
5
p refrigerant pressure at the gelato scooping cabinet and pozzetto outlet, in Pascals
8
θ arithmetic average of evaporator-saturated temperature obtained from pressure p by
mrun 8
referring to table of saturation properties for refrigerant in use — during t , in degrees
run
Celsius
θ arithmetic average of evaporator-saturated temperature obtained from pressure p by
min 8
referring to table of saturation properties for refrigerant in use — during the last 10 % of
all running periods, in degrees Celsius
T = θ + 273,15 in Kelvin
mrun mrun

5 Requirements
5.1 Construction
5.1.1 General
5.1.1.1 Strength and rigidity
The gelato scooping cabinet or pozzetto 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.
5.1.1.2 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
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.
8

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5.1.1.3 Condensate drainage
Where drains, drip trays or evaporation receptacles are fitted, they shall have ample capacity and shall
be easily accessible and cleanable.
Any condensate or defrost water receptacle, or group of receptacles, requiring to be emptied manually
shall have a capacity equivalent to at least 48 h of normal operation in the appropriate climate class for
which the gelato scooping cabinet or pozzetto is intended.
5.1.1.4 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.
5.1.2 Materials
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.
5.1.3 Refrigerating system
5.1.3.1 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 gelato scooping
cabinet and pozzetto are in operation or at rest.
For gelato scooping cabinets and pozzetto with integral condensing unit or 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 5149-2:2014.
5.1.3.2 Condensation
There shall be suitable means to prevent water condensed on cold surfaces of the gelato scooping
cabinet and pozzetto and their parts from harmfully affecting the operation of the refrigerating system
or its controls.
5.1.3.3 System protection
For gelato scooping cabinets fitted with covers, the refrigerating system shall suffer no damage if any
cover in the gelato scooping cabinet is left open while the gelato scooping cabinet is operating in an
ambient temperature corresponding to the climate class (see Table 4) for which the gelato scooping
cabinet is intended.
When the cover 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.
For pozzetto fitted with lids, the refrigerating system shall suffer no damage if any lid in the pozzetto is
left open while the pozzetto is operating in an ambient temperature corresponding to the climate class
(see Table 4) for which the pozzetto is intended.
When the 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.
9

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prEN 16838:2023(E)
5.1.3.4 Refrigerant
When deciding on the refrigerant for the system, attention shall be given to the possible hazards
associated with the use of certain refrigerants, due to their toxicity, flammability etc. Guidance on this
point is available in ISO 5149-2:2014.
5.1.4 Electrical components
Electrical components shall be in accordance with IEC 60335-2-89:2019 and IEC 60335-1:2020.
5.1.5 Temperature display
5.1.5.1 General
The gelato scooping cabinets and pozzetto shall incorporate a temperature display instrument showing
the air temperature in the refrigerated equipment to provide an indication of the operation and
functioning of refrigerating equipment and information on its operating state.
NOTE As a rule, measured air temperature is not identical with gelato temperature in gelato scooping
cabinets and pozzetto.
5.1.5.2 Temperature-measuring instrument
Suitable temperature-measuring instruments shall be used, i.e. those that fulfil the following
requirements:
— the unit symbol (°C) shall be inscribed or displayed on the temperature-measuring instrument;
— the range of measurement shall be at least from −25 °C to +15 °C;
— the scale division or smallest numerical increment shall be less than or equal to 1 °C;
— the maximum errors shall be 2 K over the total measuring range;
— the time constant t of the sensor shall be equal to or less than 20 min.
90
NOTE The t time is the time in which 90 % of a sudden temperature change of 20 °C is indicated, the
90
measurement medium being moderately agitated air (velocity 1 m/s).
5.1.5.3 Temperature sensor location
The temperature sensor location shall be readily accessible to enable on site testing for the correct
indication of temperature and replacement of the temperature measuring instrument on site in service.
NOTE 1 The temperature sensor of a thermometer is considered to be “readily accessible” if it is reachable
directly for examination. It ought to be necessary to remove access panel(s) to carry out replacement.
NOTE 2 For gelato scooping cabinets and pozzetto with natural convection cooling, the positioning of the
temperature sensor in a guide tube is also considered to be “readily accessible” if the sensor is introduced into and
removed from the guide tube without a tool.
Wherever possible, the mounting method shall not supply heat to, or withdraw heat from the
temperature sensor.
The temperature sensor shall be protected against heat radiation from the external ambient.
The temperature sensor location is defined as part of the temperature test of the gelato scooping
cabinet and pozzetto. During the temperature test air temperatures at the declared sensor location shall
be measured and these values noted in the test report.
10

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prEN 16838:2023 (E)
NOTE 3 It is the responsibility of the supplier and end user to ensure that the temperature measurements
comply with national regulation on temperature control of gelato.
5.2 Operating characteristics
5.2.1 Classification according to temperature
The performance of gelato scooping cabinet and pozzetto 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 6.3.3.
Table 1 — Temperature classes
Class Highest temperature, θ , Lowest temperature, θ , of Highest minimum
ah b
temperature, θ , of all
of warmest M-test gelato coldest M-test gelato tubs al
a
tubs colder than or equal warmer than or equal to test tubs colder than
a a
to or equal to
 °C
G1 −10 −14
G2 −10 −16
G3 −10 −18
L1 −15  −18
L2 −12  −18
L3 −12  −15
S Special classification
a
See Figure 1.

11

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prEN 16838:2023(E)

a) temperature curves of the warmest and of the highest minimum value of M-test gelato tub
b) temperature curves of the warmest and of the coldest M-test gelato tub
Key
a temperature curve a of warmest M-test gelato tub
b temperature curve b of coldest M-test gelato tub
c temperature curve with the highest minimum value of all M-gelato tubs
θ temperature
θ highest temperature of warmest M-test gelato tubs
ah
θ lowest temperature of coldest M-test gelato tubs
b
θal highest minimum temperature of all M-gelato tubs
t time
T test period
Figure 1 — Relevant temperature curves of M-test gelato tubs
12

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prEN 16838:2023 (E)
5.2.2 Defrosting
The accumulation of ice, frost or snow on surfaces within the refrigerated space, as well as the
accumulation of drained defrost water, shall not occur, as it would impair the performance of gelato
scooping cabinets other than those which are intended to be defrosted manually. This shall be verified
according to the conditions and test methods specified in 6.3.4.5.
The proposed defrosting procedures (automatic or manual) shall not affect the temperature
requirements.
For gelato scooping cabinets or sections of gelato scooping cabinets with manual defrosting, the
manufacturer shall supply all necessary instructions for the correct operation of the defrosting system.
5.2.3 Water vapour condensation
The performance of gelato scooping cabinets shall not be impaired by water vapour condensation. The
amount of water vapour condensation shall be verified according to the conditions and test methods
specified in 6.3.5.
5.2.4 Energy consumption
The total energy consumption (TEC) shall be measured and calculated according to the conditions and
the test methods specified in 6.3.6 and 6.3.7.
When the condensing unit is integral to the cabinet, the total energy consumption (TEC) is equal to the
direct electrical energy consumption (DEC).
When the condensing unit is not fitted in the cabinet, the total energy consumption is:
— the sum of REC and DEC for remote condensing unit, see 6.3.6.3;
— equal to DEC for split condensing unit placed in the same climate class test room conditions, see
6.3.6.2.
5.2.5 Specific energy consumption
The specific energy consumption is the rate between TEC and TDA for gelato scooping cabinet (SEC-D).
The specific energy consumption is the rate between TEC and Vp for pozzetto (SEC-Vp).
6 Test condition
6.1 General
When the characteristics of a gelato scooping cabinet and pozzetto are to be verified, all the tests and
inspections shall be applied to one and the same gelato scooping cabinet and pozzetto. These tests and
inspections may also be made individually for the study of a particular characteristic.
Table 2 lists the tests and inspections. Gelato scooping cabinets and pozzetto shall comply with the
requirements specified in 6.1 using the appropriate test method.
13

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prEN 16838:2023(E)
Table 2 — Test summary
Tests and inspections Requirement clause in this Test method
part
6.2
Physical dimensions  Outside test
room
(see 6.2)
5.2.2 6.3.4
Temperature
5.2.3 6.3.4
Defrosting
Inside test
room
5.2.5 6.3.6 and 6.3.7
Energy consumption
(see 6.3)
5.2.4 6.3.5
Water vapour condensation
6.2 Tests outside test room
The tests which may be carried out outside the test room deal with the inspection of construction
characteristics, physical dimensions.
Measurements shall be made with the gelato scooping cabinet and pozzetto not in operation but
situated in a place where the temperature is maintained between 16 °C and 30 °C.
For gelato scooping cabinets and pozzetto having detachable ends, overall dimensions are given with
and without ends. If the Gelato scooping cabinet and pozzetto includes jacks or other components for
adjustment of height, the height defined shall be the minimum height necessary at installation of the
gelato scooping cabinet and pozzetto.
The total net volume Vs is calculated as sum of the volume of each tub contained in the storage section.
The total net volume Vp is calculated as sum of the volume of each tub contained in the pozzetto section.
The total display area (TDA) shall be calculated according to the number of top visible gelato tubs
multiplied by its top display area plus the number of front visible tubs multiplied by its front display
area plus the number of end walls visible tubs multiplied by their lateral display area (see Table 3 and
Figure 2).
14

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Table 3 — Examples of gelato tubs dimensions
Top area Front Lateral
A L P Volume
area area
2
Type
m
mm mm mm l
2 2
m m
GN 1/4 162 265 65 1,9 0,042 93
GN 1/4 162 265 100 2,5 0,042 93
GN 1/4 162 265 150 4,1 0,042 93
GN 1/4 162 265 200 4,9 0,042 93
Gelato Tubs 165 360 80 3,4 0,059 4
Gelato Tubs 165 360 120 5 0,059 4
Gelato Tubs 165 360 150 7 0,059 4
Gelato Tubs 165 360 180 8 0,059 4
Gelato Tubs 250 360 80 5,4 0,09
Gelato Tubs 250 360 120 8 0,0
...

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