IEC 60335-2-40:2002/AMD1:2005

Amendment 1 - Household and similar electrical appliances - Safety - Part 2-40: Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers

Amendement 1 - Appareils électrodomestiques et analogues - Sécurité - Partie 2-40: Règles particulières pour les pompes à chaleur électriques, les climatiseurs et les déshumidificateurs

General Information

• Status: Published
• Publication Date: 23-Mar-2005
• ICS: 23.120 - Ventilators. Fans. Air-conditioners
• Technical Committee: SC 61D - Appliances for air-conditioning for household and similar purposes
• Current Stage: DELPUB - Deleted Publication
• Completion Date: 03-Dec-2013

Relations

• Amends: IEC 60335-2-40:2002 - Household and similar electrical appliances - Safety - Part 2-40: Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers
• Effective Date: 05-Sep-2023
• Corrected By: IEC 60335-2-40:2002/AMD1:2005/COR1:2006 - Corrigendum 1 - Amendment 1 - Household and similar electrical appliances - Safety - Part 2-40: Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers
• Effective Date: 05-Sep-2023
• Revised: IEC 60335-2-40:2013 - Household and similar electrical appliances - Safety - Part 2-40: Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers
• Effective Date: 05-Sep-2023

Standards Content (Sample)

INTERNATIONAL IEC
STANDARD 60335-2-40
AMENDMENT 1
–
2005-03
Amendment 1
Household and similar electrical appliances –
Safety –
Part 2-40:
Particular requirements for electrical heat pumps,
air conditioners and dehumidifiers

 IEC 2005 Droits de reproduction réservés  Copyright - all rights reserved
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: [phone] Telefax: [phone] E-mail: [e-mail] Web: www.iec.ch
PRICE CODE
Commission Electrotechnique Internationale
U
International Electrotechnical Commission
Международная Электротехническая Комиссия
For price, see current catalogue

– 2 – 60335-2-40 Amend. 1  IEC:2005(E)

FOREWORD
This amendment has been prepared by subcommittee 61D: Appliances for air-conditioning for

household and similar purposes, of IEC technical committee 61: Safety of household and

similar electrical appliances.

The text of this amendment is based on the following documents:

FDIS Report on voting
61D/138/FDIS 61D/140/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the maintenance result date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
The contents of the corrigendum of May 2006 have been included in this copy.

___________
CONTENTS
Add the titles of new Annexes BB to GG as follows:
Annex BB (normative) Select information about refrigerants
Annex CC (informative) Transportation, marking and storage for units that employ flammable
refrigerants
Annex DD (normative) Service operations
Annex EE (normative) Pressure tests
Annex FF (normative) Leak simulation tests
Annex GG (normative) Charge limits, ventilation requirements and requirements for
secondary circuits
1 Scope
Delete the word "sealed" from the first paragraph.
Add, after the second paragraph, the following new paragraph:
This standard also applies to electric heat pumps, air conditioners and dehumidifiers
containing flammable refrigerant. Flammable refrigerants are defined in 3.120.

60335-2-40 Amend. 1  IEC:2005(E) – 3 –

Replace the existing Note 101 by the following:

NOTE 101 A definition of ‘motor-compressor’ is given in IEC60335-2-34, which includes the statement that the

term motor-compressor is be used to designate either a hermetic motor-compressor or semi-hermetic motor-
compressor.
Add, after Note 102, the following new paragraph:

This standard does not take into account chemicals other than group A1, A2, or A3 as defined

by 3.121.
Replace the existing Note 103 by the following:

NOTE 103 This standard specifies particular requirements for the use of flammable refrigerants. Unless
specifications are covered by this standard, including the annexes, requirements for refrigerating safety are
covered by ISO 5149.
The sections and clauses in ISO 5149 of particular concern to this standard are as follows:
– Section 3: Design and construction of equipment applies to all appliances and systems.
– Section 4: Requirements for utilization applies to appliances and systems which are for “similar electrical
appliances”, i.e. commercial and light industrial.
– Section 5: Operating procedures applies to appliances and systems which are for “similar electrical appliances”,
i.e. commercial and light industrial.
Replace, in Note 4, the last dashed item by the following:
– In many countries additional requirements are specified, for example, by the national health authorities
responsible for the protection of labour and the national authorities responsible for storage, transportation,
building constructions and installations.
2 Normative references
The clause of Part 1 is applicable except as follows.
Add to the existing list the titles of the following standards:
IEC 60079-14, Electrical apparatus for explosive gas atmospheres – Part 14: Electrical
installations in hazardous areas (other than mines)
IEC 60079-15:2001, Electrical apparatus for explosive atmospheres – Part 15: Type of
protection “n”
ISO 817:1974, Organic refrigerants – number designation
1)
ISO 3864:1984, Safety colours and safety signs
ISO 5149:1993 Mechanical refrigerating systems used for cooling and heating – Safety
requirements
ISO 7000: Graphical symbols for use on equipment – Index synopsis
ANSI/ASHRAE 34:2001, Designation and safety classification of refrigerants
———————
1)
ISO 3864:1984 has been replaced by ISO 3864-1 2002, Graphical symbols – Safety colours and safety signs –
Part 1: Design principles for safety signs in workplaces and public areas and ISO 7010:2003, Graphical
symbols – Safety colours and safety signs -- Safety signs used in workplaces and public areas. However the
safety sign referred to here in ISO 3864 (symbol B.3.2, Caution, risk of fire) is no longer contained in either ISO

3864-1 or ISO 7010.
– 4 – 60335-2-40 Amend. 1 © IEC:2005(E)

3 Definitions
Add the following new definitions:

3.121
flammable refrigerant
refrigerant with a classification of class A2 or A3 in compliance with ANSI/ASHRAE 34-2001

[ISO817] classification.
3.122
refrigerating system
combination of interconnected refrigerant containing parts constituting one closed refrigerant
circuit in which refrigerant is circulated for the purpose of extracting heat at the low
temperature side to reject heat at the high temperature side by changing the state of the
refrigerant
3.123
maximum allowable pressure
a limit to the refrigerating system operating pressure, generally the maximum pressure for
which the equipment is designed, as specified by the manufacturer
NOTE Maximum allowable pressure constitutes a limit to the operating pressure whether the equipment is
working or not, see Clause 21.
3.124
low-pressure side
the part(s) of a refrigerating system operating at the evaporator pressure
3.125
high-pressure side
the part(s) of a refrigerating system operating at the condenser pressure
3.126
service port
a means to access the refrigerant in a refrigerating system for the purpose of charging or
servicing the system, typically a valve, tube extension or entry location
5 General conditions for the tests
Add the following subclause:
5.2 Addition:
The testing of Clause 21 may be carried out on separate samples. The testing of Clauses 11,
19 and 21 shall require that pressure measurements be made at various points in the
refrigerating system
At least one additional specially prepared sample is required for the tests of Annex FF (Leak
simulation tests), if that test option is selected.
The temperatures on the refrigerant piping should be measured during the test of Clause 11.
NOTE Due to the potentially hazardous nature of the tests of Clause 21 and Annexes EE and FF, special
precautions need to be taken when carrying out the tests.
5.102 Motor compressors that are tested and comply with IEC 60335-2-34 need not be
additionally tested for Clause 21.

60335-2-40 Amend. 1  IEC:2005(E) – 5 –

7 Marking and instructions
7.1 Modification:
Add the following paragraphs to the existing addition:

The flame symbol and the instruction manual symbol of 7.6 shall be visible when a flammable

refrigerant is employed and the following conditions exist:

– accessing parts expected to be subjected to maintenance or repair;

– observing the appliance under sale or installed conditions;
– observing the appliance packaging, if the appliance is charged with refrigerant.
If a flammable refrigerant is used, the symbols for “read operator’s manual”, “operator’s
manual; operating instructions” and “service indicator; read technical manual” (symbols 0790,
1641 and 1659 of ISO 7000) shall be placed on the appliance in a location visible to the
persons required to know the information. The perpendicular height shall be at least 10 mm.
An additional warning symbol (flame symbol: B.3.2 of ISO 3864) shall be placed on the
nameplate of the unit near the declaration of the refrigerant type and charge information. The
perpendicular height shall be at least 10 mm, and the symbol need not be in colour.
NOTE 101 When installed, the marking should be visible after removing a detachable part.
The following warning shall also be applied to the appliance when a flammable refrigerant is
employed.
WARNING
Appliance shall be installed, operated and stored in a room with a floor area larger than
‘X’ m (only applies to appliances that are not fixed appliances).
For appliances, which are not fixed appliances, the minimum room size X shall be specified
on the appliance. The X in the marking shall be determined in m by the procedure described
in paragraph 2 of Annex GG for unventilated areas and the X in the marking shall be 4 if the
refrigerant charge of the appliance is less than m (see Annex GG, paragraph 1.1).
The maximum allowable pressure for the low-pressure side and the high-pressure side shall
be marked on the product.
NOTE 102 For the refrigerating system; if the maximum allowable pressure of the low-pressure side and the

high-pressure side is the same, a single indication is permitted.
If not already visible when accessing a service port and if a service port is provided, the
service port shall be marked to identify the type of refrigerant. If the refrigerant is flammable,
symbol B.3.2 of ISO 3864, shall be included, without specifying the colour.
Add the following subclause:
7.6 Addition:
When a flammable refrigerant is employed, a warning symbol B.3.2 of ISO 3864, including
colour and format, shall be permanently placed on the appliance. The perpendicular height of
the triangle containing the "Caution, risk of fire" symbol shall be at least 30 mm.
When a flammable refrigerant is employed, a symbol requiring reference to the manual [0790 of
ISO 7000], including colour and format, shall be permanently placed on the appliance.

– 6 – 60335-2-40 Amend. 1  IEC:2005(E)

7.12 Addition:
For appliances using flammable refrigerants, an installation, service and operation manual,

either separate or combined manuals, shall be provided and include the information given in

Annex DD.
19 Abnormal operation
Add the following subclause after subclause 19.10

19.10.1 The test of 19.10 is repeated on class 01 appliances and class 1 appliances
incorporating tubular sheathed or embedded heating elements. However, controls are not
short-circuited but one end of the element is connected to the sheath of the heating element.
The test is repeated with the polarity of the supply to the appliance reversed and with the
other end of the element connected to the sheath.
The test is not carried out on appliances intended to be permanently connected to fixed wiring
and on appliances where all-pole disconnection occurs during the test of 19.10.
19.14 Amend the opening of the first sentence to read:
"During the tests of 19.2 to 19.10.1 and 19.11."
21 Mechanical strength
Add the following paragraph:
Safety requirements specified in Annex EE shall apply. The pressure test in Annex EE applies
to parts other than pressure vessels.
22 Construction
Add the following new subclauses:
22.112 The construction of the refrigerating system shall comply with the requirements of
Section 3 of ISO 5149.
22.113 When a flammable refrigerant is used, refrigerant tubing shall be protected or

enclosed to avoid mechanical damage. The tubing shall be protected to the extent that it will
not be handled or used for carrying during moving of the product. Tubing located within the
confines of the cabinet is considered to be protected from mechanical damage.
Compliance is checked by inspection.
22.114 When a flammable refrigerant is used, low temperature solder alloys, such as
lead/tin alloys, are not acceptable for pipe connections.
22.115 The total refrigerant mass (M) of all refrigerating systems within the appliance
employing flammable refrigerants, shall not exceed m as defined in Annex GG.
22.116 Appliances using flammable refrigerants shall be constructed so that any leaked
refrigerant will not flow or stagnate so as to cause a fire or explosion hazard in areas within
the appliance where electrical components, which could be a source of ignition and which
could function under normal conditions or in the event of a leak, are fitted.

60335-2-40 Amend. 1  IEC:2005(E) – 7 –

Separate components, such as thermostats, which are charged with less than 0,5 g of a

flammable gas are not considered to cause a fire or explosion hazard in the event of leakage

of the gas within the component itself.

All electrical components that could be a source of ignition and which could function under

normal conditions or in the event of a leak, shall comply with one of the following.

– IEC 60079-15:2001, Clauses 9 to 26, for group IIA gases or the refrigerant used or an

applicable standard that makes electrical components suitable for use in Zone 2, 1 or 0 as
defined in IEC 60079-14.
– Not be located in an area where a potentially flammable gas mixture will accumulate as

demonstrated by the test of Annex FF
– Be located in an enclosure. The enclosure containing the electrical components shall
comply with IEC 60079-15:2001 for enclosures suitable for use with group IIA gases or the
refrigerant used.
NOTE The test current for a switching component is the rated current of the component or the actual load to be
switched, whichever is greater.
22.117 Temperatures on surfaces that may be exposed to leakage of flammable
refrigerants shall not exceed the auto-ignition temperature of the refrigerant reduced by
100 K; some typical values are given in Annex BB.
Compliance is checked by measuring the appropriate surface temperatures during the tests of
Clauses 11 and 19, except those which during the tests of Clause 19 are terminated in a non-
self-resetting way.
22.118 When a flammable refrigerant is used, all appliances shall be charged with
refrigerant at the manufacturing loca
...

IEC 60335-2-40
Edition 4.0 2005-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Household and similar electrical appliances – Safety –
Part 2-40: Particular requirements for electrical heat pumps, air-conditioners
and dehumidifiers
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-40: Règles particulières pour les pompes à chaleur électriques, les
climatiseurs et les déshumidificateurs

IEC 60335-2-40:2002/A1:2005
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IEC 60335-2-40
Edition 4.0 2005-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Household and similar electrical appliances – Safety –
Part 2-40: Particular requirements for electrical heat pumps, air-conditioners
and dehumidifiers
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-40: Règles particulières pour les pompes à chaleur électriques, les
climatiseurs et les déshumidificateurs

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
V
CODE PRIX
ICS 23.120 ISBN 2-8318-8609-0
– 2 – 60335-2-40 Amend. 1 © CEI:2005
AVANT-PROPOS
Le présent amendement a été établi par le sous-comité 61D: Appareils de conditionnement
d’air pour usages domestiques et analogues, du comité d'études 61 de la CEI: Sécurité des
appareils électrodomestiques et analogues.
Cette version bilingue, publiée en 2006-05, correspond à la version anglaise.
Le texte anglais de cet amendement est issu des documents 61D/138/FDIS et 61D/140/RVD.
Le rapport de vote 61D/140/RVD donne toute information sur le vote ayant abouti à
l’approbation de cet amendement.
La version française de cet amendement n’a pas été soumise au vote.
Le comité a décidé que le contenu de cet amendement et de la publication de base ne seront
pas modifiés avant la date de maintenance indiquée sur le site web de la CEI sous
«http://webstore.iec.ch» dans les données relatives à la publication recherchée. A cette date,
la publication sera
• reconduite;
• supprimée;
• remplacée par une édition révisée, ou
• amendée.
___________
SOMMAIRE
Ajouter les titres des nouvelles Annexes BB à GG comme suit:
Annexe BB (normative) Sélection d'informations concernant les fluides frigorigènes
Annexe CC (informative) Transport, marquage et stockage des unités qui utilisent des
fluides frigorigènes inflammables
Annexe DD (normative) Opérations de service
Annexe EE (normative) Essais de pression
Annexe FF (normative) Essais de simulation de fuite
Annexe GG (normative) Limites de charge, exigences de ventilation et exigences pour les
circuits secondaires
1 Domaine d’application
Supprimer le terme "hermétiques" du premier alinéa.
Ajouter, après le deuxième alinéa, le nouvel alinéa suivant:
La présente norme s'applique également aux pompes à chaleur électriques, aux
climatiseurs et aux déshumidificateurs contenant un fluide frigorigène inflammable. Les
fluides frigorigènes inflammables sont définis en 3.121.

60335-2-40 Amend. 1 © IEC:2005 – 3 –
FOREWORD
This amendment has been prepared by subcommittee 61D: Appliances for air-conditioning for
household and similar purposes, of IEC technical committee 61: Safety of household and
similar electrical appliances.
This bilingual version, published in 2006-05, corresponds to the English version.
The text of this amendment is based on the following documents:
FDIS Report on voting
61D/138/FDIS 61D/140/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The French version of this standard has not been voted upon.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the maintenance result date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
___________
CONTENTS
Add the titles of new Annexes BB to GG as follows:
Annex BB (normative) Selected information about refrigerants
Annex CC (informative) Transportation, marking and storage for units that employ flammable
refrigerants
Annex DD (normative) Service operations
Annex EE (normative) Pressure tests
Annex FF (normative) Leak simulation tests
Annex GG (normative) Charge limits, ventilation requirements and requirements for
secondary circuits
1 Scope
Delete the word "sealed" from the first paragraph.
Add, after the second paragraph, the following new paragraph:
This standard also applies to electric heat pumps, air conditioners and dehumidifiers
containing flammable refrigerant. Flammable refrigerants are defined in 3.121.

– 4 – 60335-2-40 Amend. 1 © CEI:2005
Remplacer la Note 101 existante par le texte suivant:
NOTE 101 Une définition du terme "moto-compresseur" est donnée dans la CEI 60335-2-34 qui indique que ce
terme de "moto-compresseur" doit être utilisé pour désigner soit un moto-compresseur hermétique, soit un moto-
compresseur semi-hermétique.
Ajouter, après la Note 102, le nouvel alinéa suivant:
La présente norme ne prend pas en compte les produits chimiques qui n'appartiennent pas
aux groupes A1, A2 ou A3 tels qu'ils sont définis en 3.121.
Remplacer la Note 103 existante par le texte suivant:
NOTE 103 La présente norme spécifie des exigences particulières pour l'utilisation des fluides frigorigènes
inflammables. A l'exception des spécifications couvertes par la présente norme, y compris ses annexes, les
exigences applicables à la sécurité des systèmes frigorifiques sont traitées dans l'ISO 5149.
Les sections et les articles de l'ISO 5149 qui concernent particulièrement la présente norme sont les suivants:
– Section 3: Conception et construction de l’équipement, s'applique à tous les appareils et à tous les systèmes.
– Section 4: Prescriptions d'utilisation, s'applique aux appareils et aux systèmes destinés aux "appareils
électriques analogues", c'est à dire à usage commercial et pour l'industrie légère.
– Section 5: Exigences d’exploitation, s'applique aux appareils et aux systèmes destinés aux "appareils
électriques analogues", c'est à dire à usage commercial et pour l'industrie légère.
Remplacer le dernier tiret de la Note 4 par le texte suivant:
– dans de nombreux pays, des exigences supplémentaires sont spécifiées, par exemple par les organismes
nationaux de la santé publique responsables de la protection des travailleurs et par les organismes nationaux
responsables du stockage, du transport, de la construction des bâtiments et des installations.
2 Références normatives
L’article de la Partie 1 est applicable avec les exceptions suivantes.
Ajouter les titres des normes suivantes à la liste existante:
CEI 60079-14, Matériel électrique pour atmosphères explosives gazeuses – Partie 14:
Installations électriques dans les emplacements dangereux (autres que les mines)
CEI 60079-15:2001, Matériel électrique pour atmosphères explosives gazeuses – Partie 15:
Mode de protection “n”
ISO 817:1974, Fluides frigorigènes organiques –Désignation numérique
)
ISO 3864:1984, Couleurs et signaux de sécurité
ISO 5149:1993, Systèmes frigorifiques mécaniques utilisés pour le refroidissement et le
chauffage – Prescriptions de sécurité
ISO 7000, Symboles graphiques utilisables sur le matériel – Index et tableau synoptique
ANSI/ASHRAE 34:2001, Designation and safety classification of refrigerants
———————
) L'ISO 3864:1984 a été remplacée par l'ISO 3864-1 2002, Symboles graphiques – Couleurs de sécurité et
signaux de sécurité – Partie 1: Principes de conception pour les signaux de sécurité sur les lieux de travail et
dans les lieux publics et par l'ISO 7010:2003, Symboles graphiques -- Couleurs de sécurité et signaux de
sécurité -- Signaux de sécurité utilisés sur les lieux de travail et dans les lieux publics. Toutefois, le signal de
sécurité auquel il est fait référence ici dans l'ISO 3864 (symbole B.3.2, Attention, risque d'incendie) ne figure
plus ni dans l'ISO 3864-1 ni dans l'ISO 7010.

60335-2-40 Amend. 1 © IEC:2005 – 5 –
Replace the existing Note 101 by the following:
NOTE 101 A definition of ‘motor-compressor’ is given in IEC 60335-2-34, which includes the statement that the
term motor-compressor is be used to designate either a hermetic motor-compressor or semi-hermetic motor-
compressor.
Add, after Note 102, the following new paragraph:
This standard does not take into account chemicals other than group A1, A2, or A3 as defined
by 3.121.
Replace the existing Note 103 by the following:
NOTE 103 This standard specifies particular requirements for the use of flammable refrigerants. Unless
specifications are covered by this standard, including the annexes, requirements for refrigerating safety are
covered by ISO 5149.
The sections and clauses in ISO 5149 of particular concern to this standard are as follows:
– Section 3: Design and construction of equipment applies to all appliances and systems.
– Section 4: Requirements for utilization applies to appliances and systems which are for “similar electrical
appliances”, i.e. commercial and light industrial.
– Section 5: Operating procedures applies to appliances and systems which are for “similar electrical appliances”,
i.e. commercial and light industrial.
Replace, in Note 4, the last dashed item by the following:
– in many countries additional requirements are specified, for example, by the national health authorities
responsible for the protection of labour and the national authorities responsible for storage, transportation,
building constructions and installations.
2 Normative references
The clause of Part 1 is applicable except as follows.
Add to the existing list the titles of the following standards:
IEC 60079-14, Electrical apparatus for explosive gas atmospheres – Part 14: Electrical
installations in hazardous areas (other than mines)
IEC 60079-15:2001, Electrical apparatus for explosive atm
...