SIST EN 61770:2009/A12:2022
(Amendment)Electric appliances connected to the water mains - Avoidance of backsiphonage and failure of hose-sets
Electric appliances connected to the water mains - Avoidance of backsiphonage and failure of hose-sets
The standard specifies requirements for appliances for household and similar purposes to prevent the backflow of non-potable water into the water mains. It also specifies requirements for hose sets used for connecting such appliances to the water mains that supply water at a pressure not exceeding 1 MPa.
Elektrische Geräte zum Anschluss an die Wasserversorgungsanlage - Vermeidung von Rücksaugung und des Versagens von Schlauchsätzen
Appareils électriques raccordés au réseau d'alimentation en eau - Exigences pour éviter le retour d'eau par siphonnage et la défaillance des ensembles de raccordement
Električne naprave, priključene na vodovod - Preprečevanje povratnega vodnega udara in odpovedi cevnega sestava - Dopolnilo A12
Ta mednarodni standard določa zahteve za naprave za gospodinjska in podobna opravila za preprečevanje povratnega vodnega udara nepitne vode v vodovod. Določa tudi zahteve za cevne sestave, ki se uporabljajo za povezovanje takih naprav z vodovodom, ki dovaja vodo pod tlakom, ki ne presega 1 MPa.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 61770:2009/A12:2022
01-september-2022
Električne naprave, priključene na vodovod - Preprečevanje povratnega vodnega
udara in odpovedi cevnega sestava - Dopolnilo A12
Electric appliances connected to the water mains - Avoidance of backsiphonage and
failure of hose-sets
Elektrische Geräte zum Anschluss an die Wasserversorgungsanlage - Vermeidung von
Rücksaugung und des Versagens von Schlauchsätzen
Appareils électriques raccordés au réseau d'alimentation en eau - Exigences pour éviter
le retour d'eau par siphonnage et la défaillance des ensembles de raccordement
Ta slovenski standard je istoveten z: EN 61770:2009/A12:2022
ICS:
91.140.60 Sistemi za oskrbo z vodo Water supply systems
97.030 Električni aparati za dom na Domestic electrical
splošno appliances in general
SIST EN 61770:2009/A12:2022 en,fr
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
SIST EN 61770:2009/A12:2022
---------------------- Page: 2 ----------------------
SIST EN 61770:2009/A12:2022
EUROPEAN STANDARD EN 61770:2009/A12
NORME EUROPÉENNE
EUROPÄISCHE NORM June 2022
ICS 91.140.60; 97.030
English Version
Electric appliances connected to the water mains - Avoidance of
backsiphonage and failure of hose-sets
Appareils électriques raccordés au réseau d'alimentation en Elektrische Geräte zum Anschluss an die
eau - Exigences pour éviter le retour d'eau par siphonnage Wasserversorgungsanlage - Vermeidung von Rücksaugung
et la défaillance des ensembles de raccordement und des Versagens von Schlauchsätzen
This amendment A12 modifies the European Standard EN 61770:2009; it was approved by CENELEC on 2021-11-15. CENELEC members
are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment 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 amendment 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61770:2009/A12:2022 E
---------------------- Page: 3 ----------------------
SIST EN 61770:2009/A12:2022
EN 61770:2009/A12:2022 (E)
European foreword
This document (EN 61770:2009/A12:2022) has been prepared by CLC/TC 61 “Safety of household and similar
electrical appliances” in collaboration with CEN/TC 164 “water supply”.
The following dates are fixed:
• latest date by which this document has to be (dop) 2022-12-10
implemented at national level by publication of an
identical national standard or by endorsement
• latest date by which the national standards conflicting (dow) 2025-06-10
with this document have to be withdrawn
This document has been prepared under a mandate given to CENELEC by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive(s).
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A complete
listing of these bodies can be found on the CENELEC website.
---------------------- Page: 4 ----------------------
SIST EN 61770:2009/A12:2022
EN 61770:2009/A12:2022 (E)
Text of A12:2021 of EN 61770:2009
1 Modification to Introduction
This European Amendment A12 supplements or modifies the corresponding clauses of
EN 61770:2009+A11:2018+A1:2019
2 Modification to clause “3 Terms and definitions”
3.4 airgaps
3.4.Z1 airgap (general)
Add the following note at the end of the clause:
NOTE 1 to entry: a distance is considered to be unobstructed if the air flow into the feed pipe under vacuum conditions is not
restricted by the construction of the appliance.
3.Z6 diameter of feed pipe (bore D)
Replace the definition of diameter of feed pipe with the following:
Internal diameter size of the outlet feed orifice (or calculated from the equivalent cross sectional area)
NOTE 1 to entry: The dimension of the diameter “D” is in mm
Add Note 2 to entry.
NOTE 2 to entry: If a water valve is used for calculations, then the internal diameter of the outlet connection is used or the
minimum feed orifice diameter, whichever is smaller.
Add new definition:
3.Z9 Connection arrangement
All components in contact with water, located between the water tap and the backflow-prevention device and
according 4.2 incorporated in or fixed to the electrical appliance
NOTE 1 to entry: Hose-sets and inlet-valves are typical components of the connection arrangement.
NOTE 2 to entry: For further information, see Figure Z22 – connection arrangement.
3 Modification to clause “4 General requirements”
4.Z1
Modify “NOTE” with “NOTE Z1”
Add the following sentence:
If components of the connection arrangement are not suitable for contact with water intended for human
consumption, but risk analysis does not show specific hazards and if the total volume of water in contact with
those components is equal or less than 1 l, they shall be considered as risk category 2 and be protected against
backflow and backsiphonage accordingly.
NOTE Z2: The backflow prevention device is installed before the first component downstream of the connection
arrangement that is not suitable for water intended for human consumption.
---------------------- Page: 5 ----------------------
SIST EN 61770:2009/A12:2022
EN 61770:2009/A12:2022 (E)
4 Modification to clause “6 Air gaps”
Modify the subclauses as follow:
6.Z2 Overflow arrangements
Add the following text at the end of the clause:
The air break to drain shall not obstruct the overflow.
An overflow is to be regarded as unobstructed if during the investigation of the assembly in each possible
functional position the critical water level h is not increased.
6.Z2.1 AB air gaps overflow
Add the following text after the first paragraph:
The overflow arrangements at the receivi
...
SLOVENSKI STANDARD
SIST EN 61770:2009/oprAA:2021
01-marec-2021
Električne naprave, priključene na vodovod - Preprečevanje povratnega vodnega
udara in odpovedi cevnega sestava - Dopolnilo AA
Electric appliances connected to the water mains - Avoidance of backsiphonage and
failure of hose-sets
Elektrische Geräte zum Anschluss an die Wasserversorgungsanlage - Vermeidung von
Rücksaugung und des Versagens von Schlauchsätzen
Appareils électriques raccordés au réseau d'alimentation en eau - Exigences pour éviter
le retour d'eau par siphonnage et la défaillance des ensembles de raccordement
Ta slovenski standard je istoveten z: EN 61770:2009/prAA:2020
ICS:
91.140.60 Sistemi za oskrbo z vodo Water supply systems
97.030 Električni aparati za dom na Domestic electrical
splošno appliances in general
SIST EN 61770:2009/oprAA:2021 en,fr
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
SIST EN 61770:2009/oprAA:2021
---------------------- Page: 2 ----------------------
SIST EN 61770:2009/oprAA:2021
EUROPEAN STANDARD DRAFT
EN 61770:2009
NORME EUROPÉENNE
EUROPÄISCHE NORM
prAA
January 2021
ICS 91.140.60; 97.030
English Version
Electric appliances connected to the water mains - Avoidance of
backsiphonage and failure of hose-sets
Appareils électriques raccordés au réseau d'alimentation en Elektrische Geräte zum Anschluss an die
eau - Exigences pour éviter le retour d'eau par siphonnage Wasserversorgungsanlage - Vermeidung von Rücksaugung
et la défaillance des ensembles de raccordement und des Versagens von Schlauchsätzen
This draft amendment prAA, if approved, will modify the European Standard EN 61770:2009; it is submitted to CENELEC members for
enquiry.
Deadline for CENELEC: 2021-04-09.
It has been drawn up by CLC/TC 61.
If this draft becomes an amendment, CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this amendment the status of a national standard without any alteration.
This draft amendment 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, 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.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Project: 69374 Ref. No. EN 61770:2009/prAA:2020 E
---------------------- Page: 3 ----------------------
SIST EN 61770:2009/oprAA:2021
EN 61770:2009/prAA:2020 (E)
2 European foreword
3 This document (EN 61770:2009/prAA:2020) has been prepared by CLC/TC 61 “Safety of household and similar
4 electrical appliances” in collaboration with CEN/TC 164 “water supply”.
5 This document is currently submitted to the CENELEC Enquiry.
6 The following dates are proposed:
• latest date by which the existence of this document has to be (doa) dor + 6 months
announced at national level
• latest date by which this document has to be implemented at national (dop) dor + 6 months
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with this (dow) Dor+36 months
document have to be withdrawn
7
8 Secretary Note: The Notified bodies and laboratories requested the reducing the timing of DOW for aligning the
9
implementation of AM12 with A11 because the AM12 shall clarify some requirements of A11
10 This amendment supplements or modifies the corresponding clauses of:
11 — EN 61770:2009+A11:2018+A1:2019
12 This document has been prepared under a mandate given to CENELEC by the European Commission and the
13 European Free Trade Association, and supports essential requirements of EU Directive(s).
14 Secretary note: to be consistent with IEC text, the words unrestricted overflow has been changed with
15
unobstructed overflow.
2
---------------------- Page: 4 ----------------------
SIST EN 61770:2009/oprAA:2021
EN 61770:2009/prAA:2020 (E)
16 Text of prAA:2020 of EN 61770:2009
17 1 Modification to clause 3 "Terms and definitions"
18 3.4 airgaps
19 3.4.Z1 airgap (general)
20 Add the following note at the end of the clause:
21 NOTE 1 to entry: distance is considered to be unobstructed if the air flow into the feed pipe under vacuum conditions is not
22 restricted by the construction of the appliance.
23 Secretary note: the note has been inserted using the text of the note in the Clause 3.5 of IEC 61770 A1
24 uncorrected deleted by A11 because clarify what does mean the word “unobstructed”.
25 3.Z6 diameter of feed pipe (bore D)
26 Replace the definition of diameter of feed pipe with the following:
27 Internal diameter size of the outlet feed orifice (or calculated from the equivalent cross sectional area)
28 NOTE 1 to entry: The dimension of the diameter “D” is in mm
29 Add Note 2 to entry:
30 NOTE 2 to entry: If a water valve is used for calculations, then the internal diameter of the outlet connection shall be used or
31 the minimum feed orifice diameter.
32 Add new definition:
33 3.Z9 Connection arrangement
34 Entirely water-bearing components, located between the water tap and the backflow-prevention device
35 incorporated in or fixed to the electrical appliance according to 4.2.
36 NOTE 1 to entry: Hose-sets and inlet-valves are typical components of the connection arrangement
37 NOTE 2 to entry: For further information, see Figure Z17 - P (intermediate) = f (P upstream) reverse flow rate constant = QN
38 2 Modification to clause 4 "General requirements"
39 4.Z1
40 Modify “NOTE” with “NOTE Z1”
41 Add the following new notes at the end of the clause:
42 NOTE Z2 If components of the connection arrangement are not suitable for contact with water intended for human
43 consumption but risk analysis does not show specific hazards and if their total volume is equal or smaller then 1l they shall
44 be considered as risk category 2 and be protected against backflow / backsiphonage accordingly.
45 NOTE Z3: The backflow prevention device can be installed in front of the first component of the connection arrangement
46 downstream that is not explicitly suitable for drinking water.
47 3 Modification to clause 6 "Air gaps"
48 Modify the subclauses as follow:
49 6.Z2 Overflow arrangements
50 Add the following text at the end of the clause:
51 The air break to drain shall not restrict the overflow.
3
---------------------- Page: 5 ----------------------
SIST EN 61770:2009/oprAA:2021
EN 61770:2009/prAA:2020 (E)
52 An overflow is to be regarded as unobstructed if during the investigation of the assembly in each possible
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.