prEN 4855-01

SLOVENSKI STANDARD
01-junij-2024
Aeronavtika - Ekoučinkovitost naprav za gostinstvo - 1. del: Splošni pogoji
Aerospace series - ECO efficiency of catering equipment - Part 01: General conditions
Luft- und Raumfahrt - ECO Effizienz von Cateringgeräten - Teil 01: Allgemeine
Bedingungen
Série aérospatiale - Éco efficacité du matériel de restauration - Partie 01: Conditions
générales
Ta slovenski standard je istoveten z: prEN 4855-01
ICS:
49.095 Oprema za potnike in Passenger and cabin
oprema kabin equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2024
ICS 49.020; 67.250 Will supersede EN 4855-01:2020
English Version
Aerospace series - ECO efficiency of catering equipment -
Part 01: General conditions
Série aérospatiale - Éco efficacité du matériel de Luft- und Raumfahrt - ECO Effizienz von
restauration - Partie 01: Conditions générales Cateringgeräten - Teil 01: Allgemeine Bedingungen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee ASD-
STAN.
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 NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 4855-01:2024 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Symbols and abbreviations . 6
5 General test conditions . 6
5.1 General. 6
5.2 Environmental conditions . 7
5.3 Power supply and voltage . 7
5.4 Measurement equipment . 7
5.5 General weight measurement conditions . 7
5.6 Reference aircraft and reference mission . 8
5.7 Calculation sheets . 14

European foreword
This document (prEN 4855-01:2024) has been prepared by the Aerospace and Defence Industries
Association of Europe — Standardization (ASD-STAN).
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 4855-01:2020.
The main changes compared to the previous edition are as follows:
— added description, function parameters, formulas and calculation sheets for trash compactors and
espresso maker equipment throughout the document;
— expanded coverage of chilling equipment to chilling equipment not capable to freeze in the scope;
— clarified definition of weight measurement conditions;
— Corrected labelling of m and m to be “overall kerosene consumption”, was “kerosene
KF, KB,
consumption due to electrical energy;
— added scaled kerosene consumption to all calculation sheets in 5.7;
— corrected labelling of several items on the calculation sheets.
Introduction
Efficient and economic aircraft operation is one of the main objectives in the aviation industry. The
main goals for a competitive and environmental friendly operation are to reduce weight, fuel
consumptions and thus to lower the costs leading to a more sustainable aircraft.
Today’s aviation industry standards do not provide a classification of catering equipment according to
their power demand and weight. Since it is state of the art for household appliances to be rated with
ECO-label categories, the purpose of this document is to standardize the test procedures and
calculations to determine the ECO efficiency for catering equipment installed in the aircraft.
1 Scope
This document specifies the test procedures and calculations to determine the ECO efficiency of the
following catering equipment installed in an aircraft:
— chilling equipment (with and without freeze function);
— ovens (steam and convection ovens);
— beverage makers (coffee maker, water heater);
— trash compactors (single and double bin);
— espresso makers (grain, powder, pad and capsule based).
Based on the results it will be possible to derive the energy consumption index and a performance
index of the considered equipment type. The two index values represent the ECO efficiency.
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 4855-02, Aerospace series — ECO efficiency of catering equipment — Part 02: Oven equipment
EN 4855-03, Aerospace series — ECO efficiency of catering equipment — Part 03: Chilling equipment
EN 4855-04, Aerospace series — ECO efficiency of catering equipment — Part 04: Beverage makers
EN 4855-05, Aerospace series — ECO efficiency of catering equipment — Part 05: Trash compactor
EN 4855-06, Aerospace series — ECO efficiency of catering equipment — Part 06: Espresso maker
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
catering equipment
equipment installed in an aircraft to provide or support food or beverage service
Note 1 to entry: Includes ovens, beverage makers, water heaters, chilling equipment, trash compactors and
espresso makers.
Published as ASD-STAN prEN, available at: https://www.asd-stan.org/.
3.2
electrical energy consumption
measured apparent power integrated over a period of time
3.3
ECO efficiency
aspect of sustainability of catering equipment regarding the energy consumption and performance
during aircraft operation
Note 1 to entry: ECO efficiency in this context does not consider the whole life cycle assessment of catering
equipment.
3.4
energy consumption index
ECI
index (dimensionless) describing the energy consumption related to a reference equipment during
operation
3.5
performance index
PI
index (dimensionless) describing the performance related to a reference
Note 1 to entry: The definition of the performance index is specific for each equipment type, see in EN 4855-02,
EN 4855-03, EN 4855-04, EN 4855-05 and EN 4855-06.
4 Symbols and abbreviations
ECI Energy consumption index
EUT Equipment under test
ICD Interface control document
N/A Not applicable
PN Part number
SFC Specific fuel consumption
5 General test conditions
5.1 General
Measurement conditions and calculation formulas are defined in the following sections.
To minimize rounding effects on the calculation results, all values related to measured or calculated
weights shall have two decimals and all values related to measured and calculated power / power
consumption shall have three decimals.
The EUT shall not be used for at least 2 h before start of each test and during which it shall be ensured
that the environmental temperature according to 5.2 is maintained in the entire EUT (e.g. inner cavity
or tank).
All test results shall be recorded in a test report.
Equipment tests to derive the ECO efficiency shall be performed according to the following procedures:
a) measurement for ovens according to EN 4855-02;
b) measurement for chilling equipment according to EN 4855-03;
c) measurement for beverage makers according to EN 4855-04;
d) measurement for trash compactors according to EN 4855-05;
e) measurement for espresso makers according to EN 4855-06.
5.2 Environmental conditions
All tests shall be performed in a room with a maximum air speed of 0,2 m/s.
The ambient temperature shall be (24 ± 3) °C. The ambient temperature shall be held from two hours
before the test until the end of the test and shall not be influenced by the EUT or other equipment.
The ambient temperature and air flow shall be measured at a distance between 0,5 m and 2 m from
each equipment.
The ambient temperature measurement shall be started directly before test start. The sample time of
the temperature measurement shall be set to at least 0,5 Hz.
The tests shall be performed at an ambient pressure level of (1 013,25 ± 50) hPa.
5.3 Power supply and voltage
Each equipment under test (EUT) shall be connected as instructed by the respective manufacturers’ ICD
of the EUT PN. The rated voltage shall be (115 ± 2) VAC on each of the three phases. The frequency
during test shall be set to (400 ± 5) Hz.
5.4 Measurement equipment
A device to measure the temperature shall be provided.
All measurement equipment shall be calibrated.
All temperature measurement equipment shall have a maximum measuring tolerance of ± 0,5 K. Table 1
shows the required equipment.
For convenience all terms of “power” related to electrical power measurements, in this document and in
EN 4855-02, EN 4855-03 and EN 4855-04, the term of “apparent power” shall be applied.
Table 1 — Equipment list
Equipment Tolerance
Temperature sensor ±0,5 K
Thermo element and wiring ±0,5 K
Power measurement per device ±1 % for voltage and ± 1 % for ampere
Datalogger N/A
Weight scale ±0,01 kg
Time measurement ±0,5 s
5.5 General weight measurement conditions
The operational weight is defined as follows:
Any insert, which does not belong to the equipment PN, shall be removed (e.g. server, oven racks etc.).
For beverage makers, water heaters, steam ovens and espresso makers, the equipment inner tanks and
water lines shall be filled with water by connecting the EUT to a pressurized water source until filled.
Subsequently, the weight of the equipment shall be measured.
5.6 Reference aircraft and reference mission
5.6.1 General
The energy consumption index (ECI) is calculated based on parameters for a reference aircraft and
mission. The energy consumption index is based on the calculation of the kerosene consumption for the
EUT related to a reference.
5.6.2 Assumptions
a) Reference mission and description are:
The reference mission is a mid-range mission of 3 000 nm (5 556 km), which includes a ground, a
climb, a cruise and a descent phase. The descent phase can be disregarded due to short duration
and unused catering equipment.
The durations of the phases are:
— ground phase: 60 min;
— climb phase: 28 min;
— cruise phase: 6 h.
During the whole flight mission, two catering phases are performed. Moreover the use cases
(catering profiles) of the different equipment types are defined as:
— ovens: During the climb phase, the oven runs in standby mode. During the cruise phase the oven
is used four times as each of the two catering phases includes two times of heating. The standby
duration
...