IEC 60730-2-8:2000/AMD2:2015

Amendment 2 - Automatic electrical controls for household and similar use - Part 2-8: Particular requirements for electrically operated water valves, including mechanical requirements

Amendement 2 - Dispositifs de commande électrique automatiques à usage domestique et analogue - Partie 2-8: Règles particulières pour les électrovannes hydrauliques, y compris les prescriptions mécaniques

General Information

• Status: Published
• Publication Date: 15-Dec-2015
• ICS: 97.120 - Automatic controls for household use
• Technical Committee: TC 72 - Automatic electrical controls
• Drafting Committee: WG 9 - TC 72/WG 9
• Current Stage: DELPUB - Deleted Publication
• Start Date: 28-Aug-2018
• Completion Date: 26-Oct-2025

Relations

• Amends: IEC 60730-2-8:2000 - Automatic electrical controls for household and similar use - Part 2-8: Particular requirements for electrically operated water valves, including mechanical requirements
• Effective Date: 05-Sep-2023
• Revised: IEC 60730-2-8:2018 - Automatic electrical controls - Part 2-8: Particular requirements for electrically operated water valves, including mechanical requirements
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 60730-2-8 ®
Edition 2.0 2015-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 2
AM ENDEMENT 2
Automatic electrical controls for household and similar use –
Part 2-8: Particular requirements for electrically operated water valves, including
mechanical requirements
Dispositifs de commande électrique automatiques à usage domestique et
analogue –
Partie 2-8: Règles particulières pour les électrovannes hydrauliques, y compris
les prescriptions mécaniques
IEC 60730-2-8:2000-02/AMD2:2015-12(en-fr)

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IEC 60730-2-8 ®
Edition 2.0 2015-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 2
AM ENDEMENT 2
Automatic electrical controls for household and similar use –

Part 2-8: Particular requirements for electrically operated water valves, including

mechanical requirements
Dispositifs de commande électrique automatiques à usage domestique et

analogue –
Partie 2-8: Règles particulières pour les électrovannes hydrauliques, y compris

les prescriptions mécaniques
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 97.120 ISBN 978-2-8322-3015-2

– 2 – IEC 60730-2-8:2000/AMD2:2015

© IEC 2015
FOREWORD
This amendment has been prepared by IEC technical committee 72: Automatic electrical

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

FDIS Report on voting
72/1011A/FDIS 72/1025/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 stability date indicated on the IEC website 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.
_____________
FOREWORD
Replace the paragraph reading "This part 2-8 is intended…", as amended in
Amendment 1:2002, with the following new paragraph:
This part 2-8 is intended to be used in conjunction with IEC 60730-1. It was established on the
basis of the fourth edition (2010) of that publication. Consideration may be given to future
editions of, or amendments to IEC 60730-1.

Replace the “in some countries” notes, as amended in Amendment 1:2002, as follows:
Replace “table 7.2” by “Table 1” in the first item.
Replace “27.2.101.1” by “27.2.3.1” in the fourth item.
Delete the fifth item and sixth items, "27.101" and "H.26.2.1".
1 Scope and normative references
Replace the first sentence (including the term “Replacement”) by the following:
This clause of part 1 is applicable except as follows:

© IEC 2015
Replace the first paragraph of 1.1 by the following:

1.1 This part 2-8 applies to electrically operated water valves for use in, on or in association

with equipment for household and similar use, including heating, air-conditioning and similar

applications. The equipment may use electricity, gas, oil, solid fuel, solar thermal energy, etc.,

or a combination thereof.
Replace Subclauses 1.1.1 and 1.1.2 by the following:

1.1.1 This part 2-8 applies to the inherent safety, to the operating values, operating times,

and operating sequences where such are associated with equipment safety, and to the testing

of automatic electrical control devices used in, or in association with, household or similar
equipment.
This part 2-8 contains requirements for electrical features of water valves and requirements for
mechanical features of valves that affect their intended operation.
This part 2-8 is also applicable to electrically operated water valves for appliances within the
scope of IEC 60335.
Electrically operated valves for equipment not intended for normal household use but which
may nevertheless be used by the public, such as equipment intended to be used by laymen in
shops, in light industry and on farms, are within the scope of this part 2-8.
This part 2-8 does not apply to:
– electrically operated water valves of nominal connection size above DN 50;
– electrically operated water valves for admissible nominal pressure rating above 1,6 MPa;
– food dispensers;
– detergent dispensers;
– steam valves;
– electrically operated water valves designed exclusively for industrial applications.
1.1.2 Throughout this part 2-8, where it can be used unambiguously, the term:
– "valve" is used to denote an electrically operated water valve (including actuator and valve
body assembly);
– "actuator" means "electrically operated mechanism or prime mover";
– "valve body" means "valve body assembly";

– "equipment" includes "appliance" and "control system".
1.5 Normative references
Add the following new references:
IEC 60730-1:2010, Automatic electrical controls – Part 1: General requirements
IEC 60335 (all parts), Household and similar electrical appliances – Safety
Replace the reference to IEC ISO 228-1:1994 by the following:
ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads – Part 1:
Dimensions, tolerances and designation
Replace the reference to IEC ISO 630:1995 by the following:

– 4 – IEC 60730-2-8:2000/AMD2:2015

© IEC 2015
ISO 630, Structural steels – Plates, wide flats, bars sections and profiles

Replace the reference to IEC ISO 1179:1981 by the following:

ISO 1179-1,Connections for general use and fluid power – Ports and stud ends with ISO 228-1

threads with elastomeric or metal-to-metal sealing – Part 1:Threaded ports

Replace the reference to IEC ISO 4144:1979 by the following:

ISO 4144, Pipework – Stainless steel fittings threaded in accordance with ISO 7-1

Replace the reference to IEC ISO 4400:1994 by the following:
ISO 4400, Fluid power systems and components – Three-pin electrical plug connectors with
earth contact – Characteristics and requirements
Replace the reference to IEC ISO 6952:1994 by the following:
ISO 6952, Fluid power systems and components – Two-pin electrical plug connectors with
earth contact – Characteristics and requirements
6 Classification
6.8 According to protection against electric shock
6.8.3 Replacement:
Delete “Additional subclauses” and the list of subclauses that follows.
7 Information
Table 7.2
Make the following changes to the table:
Renumber the table as "Table 1".
Requirement 7, under the column "Clause or subclause", add "23.1.1”.

Delete line of requirement 23.
Requirement 29, under the column "Clause or subclause", add "2.4".
Requirement 40, under the column "Clause or subclause", add "11.4".
Requirement 41, under the column "Clause or subclause", add "2.11.1".
Requirement 42, under the column "Clause or subclause", add "2.11.2".
Replace requirement "46 to 48" by "47"
Requirement 104, under the column "Clause or subclause", replace "2.3.116" by "2.3.29".
Requirement 109, under the column "Information", replace "Annex AA" with "Annex BB".

© IEC 2015
Add the following new requirement:

Requirement Information Clause or subclause Method

115 Water valve intended to be used in accordance with IEC 60335 18.101.3 D

7.4 Additional requirements for marking

Replace the existing text by the following:

This clause of part 1 is applicable except as follows:

7.4.4 is not applicable.
14 Heating
14.4.101
Replace, in the second sentence, "table 14.1" by "Table 13".
Replace, in the third sentence, "requirements of 27.2.101" by "requirements of 27.2.3 and
27.2.101 if applicable".
14.4.102
Replace, in the first sentence, "table 14.1" by "Table 13".
Replace, in the second sentence, "requirements of 27.2.101" by "requirements of 27.2.3 and
27.2.101 if applicable".
14.5.104
Replace “table 14.1” by "Table 13”.
14.5.105
Replace, in the note, as introduced in Amendment 1:2002, "table 7.2" by "Table 1".
14.5.106
Replace, in the note, as introduced in Amendment 1:2002, "table 7.2" by “Table 1".
14.5.107
Replace, in the first line, as introduced in Amendment 1:2002, "table 7.2" by "Table 1".
14.7.4
Replace "table 14.1" by "Table 13" in three places.
17 Endurance
17.7 Over-voltage (or in some countries, overload) test of automatic action at
accelerated rate
Replace, in the first sentence of the first paragraph "table 7.2" by "Table 1".

– 6 – IEC 60730-2-8:2000/AMD2:2015

© IEC 2015
Replace, in the first sentence of the third paragraph, "as a guidance" by "as guidance".

18 Mechanical strength
18.101.3 Anti-water hammer characteristics

Add, at the end of the last sentence in the compliance statement "in Table 1, requirement 115"
to read:
"… within the scope of IEC 60335-1, if declared, in Table 1, requirement 115".

18.102 Wetted material specifications
Delete "Under consideration."
18.103.5
Replace, in the first listed item, "table 7.2" by "Table 1".
27 Abnormal operation
Delete, just before 27.2, the word "Replacement".
27.2 Blocked mechanism test
Replace the title and text by the following:
27.2 Burnout test
Replacement:
Valves incorporating solenoids and valves incorporating motors shall withstand the effect of
blocking of the valve mechanism.
For valves where an external mechanical blockage will not cause an internal overload of the
valve due to decoupling of the external blockage to the internal mechanical structure, e.g. a
clutch, a blockage of the mechanical parts between the motor and the decoupling means shall
be tested.
Compliance is checked by the tests of 27.2.1 and 27.2.2.

27.2.1
Replace “table 7.2” by “Table 1” in the first paragraph.
27.2.2
Replace the existing text with the following:
Replacement:
After this test, the valve shall comply with items a) to g) of H.27.1.1.3, where applicable.
NOTE The valve need not be operative following the test.
Add the following:
© IEC 2015
27.2.3 Blocked mechanical output test (abnormal temperature test)

Replacement:
Valves with motorized electrical actuators shall withstand the effects of blocked output without

exceeding the temperatures indicated in Table 101. Temperatures are measured by the

method specified in 14.7.1.
NOTE This test is not conducted on valves which meet the requirements of 14.4.101.

27.2.3.1
Modification:
Replace the first and second paragraph by the following:
Valves are tested for 24 h or until thermal equilibrium has been reached with the output
blocked in the most unfavorable position at rated voltage and in a room temperature in the
range of 15 °C to 30 °C, the resulting measured temperature being corrected to a 25 °C
reference value.
NOTE 1 In Canada and the USA, the test is conducted at the voltages indicated in 17.2.3.1 and 17.2.3.2.
NOTE 2 This test is not applicable to valves identified under requirement 113 of Table 1.
Add the following Table 101 (Table 27.2.101 of Ed.2.1):
Table 101 – Maximum winding temperature (for test of blocked
output conditions and valves declared under Table 1, item 113)
d
Condition Temperature of insulation by class
°C
A E B F H 200 220 250
If impedance protected: 150 165 175 190 210 230 250 280
If protected by protective devices:
during first hour
a b
– maximum value 200 215 225 240 260 280 300 330
after first hour
a
– maximum value 175 190 200 215 235 255 275 305
a c
– arithmetic average 150 165 175 190 210 230 250 280
a
Applicable to actuators with thermal motor protection.

b
Applicable to actuators protected by incorporated fuses or thermal cut-outs.
c
Applicable to actuators with no protection.
d
These classifications correspond to the thermal classes specified in IEC 60085.

27.2.101 Blocked output test (temperature)
Replace the title and text of this subclause with the following:
27.2.101 Test on three phase valve
27.2.101.1 With any one phase disconnected, the valve is operated under normal operation
and supplied at rated voltage until thermal equilibrium has been reached.
The temperature of the winding shall not exceed the temperatures indicated in Table 101.
Temperatures are measured by the method specified in 14.7.1.

– 8 – IEC 60730-2-8:2000/AMD2:2015

© IEC 2015
27.3 Overvoltage and undervoltage test

Replace, in the first compliance paragraph in three places "table 7.2" by "Table 1".

27.101 Dry condition test
Replace, in the first sentence, "table 7.2" by "Table 1".

27.101.2
Replace the existing text by the following new text:

The water valve, connected but without water, is energized at rated frequency and rated
voltage. The valve is operated:
• at the ambient temperature, and
• considering any limitation of the operating time (duty cycle).
The duration of the test is either 4 h or until the steady temperature state is reached, whichever
occurs first.
The temperature measured shall comply with the temperatures indicated in Table 101.
Add the following:
27.102 Running overload
27.102.1 The running overload test is carried out on valves that are intended to be remotely
or automatically controlled or liable to be operated continuously in unattended mode if overload
protective devices relying on electronic circuits to protect the motor windings, other than those
that sense winding temperatures directly, are also subjected to the running overload test.
27.102.2 The valve is operated under normal operation conditions and supplied at rated
voltage until steady conditions are established. The load is then increased so that the current
through the motor windings is raised by 10 % increments and the valve is operated again until
steady conditions are established, the supply voltage being maintained at its original value.
27.102.3 During the test, the winding temperature shall not exceed
– 140 °C, for class 105 (A) winding insulation;
– 155 °C, for class 120 (E) winding insulation;

– 165 °C, for class 130 (B) winding insulation;
– 180 °C, for class 155 (F) winding insulation;
– 200 °C, for class 180 (H) winding insulation;
– 220 °C, for class 200 (N) winding insulation;
– 240 °C, for class 220 (R) winding insulation;
– 270 °C, for class 250 winding insulation.
NOTE If the load cannot be increased in appropriate steps, the motor may be removed from the appliance and
tested separately.
27.102.4 For valves which are used in a continuously operation for longer than 24 h without
interruption, the load is again increased and the test is repeated until the protective device
operates or the motor stalls.
27.102.5 For valves which are used in operation mode which will not exceed for longer than
24 h without interruption, the test is repeated after the winding temperature has reached

© IEC 2015
environmental temperature conditions. The test will be performed with an increased load so

that the current through the motor windings is raised by 10 % increments. The valve is

operated again until steady conditions are established, the supply voltage being maintained at

its original value. This procedure will be repeated until the protective device operates or the

motor stalls.
Annex H – Requirements for electronic controls

H.7 Information
Replace, in the first sentence, "table 7.2" by "Table 1".

H.11 Constructional requirements
Delete Clause H.11 in its entirety.
H.26 Electromagnetic compatibility (EMC) requirements – immunity
H.26.2.1
Delete the following: (introduced in Amendment 1:2002):
“Add the following, explanatory notes:
Electrically operated water valves are type 1 action; therefore only H.26.8, H.26.9 and H.26.13.1 are applicable.
H.26.10 is an alternate to H.26.9.
In Canada and the USA, clause H.26.10 is required.”
Add the following:
H.26.5 Voltage dips and voltage interruptions in the power supply network
H.26.5.3 Test procedure
Addition:
Each test is performed three times.
Add the following:
H.26.5.3.101 Compliance
After the test according to H.26.5.3 of all the voltage dips and the voltage interruption of more
than one cycle of the supply waveform, the electric actuator shall provide normal operation.
During the test according to H.26.5.3 of an interruption of one cycle of the supply waveform,
the control shall continue to operate after restoration of the supply voltage from the position the
electric actuator was in right before the interruption.
Add the following:
H.26.6 Not applicable.
H.26.8 Surge immunity test
– 10 – IEC 60730-2-8:2000/AMD2:2015

© IEC 2015
H.26.8.3 Test procedure
Addition:
The five pulses in each polarity shall be distributed in the following operating modes:

– 1 pulse in the closed position;

– 3 pulses during energized movement in the most surge sensitive position;

– 1 pulse in the open position.

H.26.8.3.101 Compliance
The valve shall tolerate voltage surges on the mains supply and signal lines, so that, when
tested in accordance with H.26.8.3,
a) for the value of severity level 2: it shall continue to function in accordance with the
requirements of this standard. No influence to the actual position of the valve is recognized;
b) for the value of severity level 3: for a valve as a protective actuator used as a component of
a protective multi-purpose control or system, it shall either perform as in a) or it may stop
operating and shall indicate that it has done so to the protective multi-purpose control or
system.
NOTE The acceptability of the indication to the protective multi-purpose control or system is dependent on the
application.
H.26.9 Fast transient burst test
Change the existing title to the following new title:
H.26.9 Electrical fast transient/burst test
Delete the following: (introduced in Amendment 1:2002):
“Addition:
Impulses are applied with the valve in the energized position.".
Add the following:
H.26.9.3 Test procedure
Addition:
Operating modes are as follows:
– being in the closed position;
– during energized movement in the most surge sensitive position;
– being in the open position.
H.26.9.3.101 Compliance
The valve shall tolerate electrical fast/transient bursts on the mains supply and signal lines, so
that, when tested in accordance with H.26.9.3,
a) for the value of severity level 2: it shall continue to function in accordance with the
requirements of this standard. No influence to the actual position of the valve is recognized;
b) for the value of severity level 3: for a valve as a protective actuator used as a component of
a protective multi-purpose control or system, it shall either perform as in a) or it may stop

© IEC 2015
operating and shall indicate that it has done so to the protective multi-purpose control or

system.
NOTE The acceptability of the indication to the protective multi-purpose control or system is dependent on the
application.
Add the following:
H.26.11 Electrostatic discharge test

Additional subclauses:
H.26.11.101 Test procedure
The test shall be performed during the following operating modes:
– being in the closed position;
– during energized movement in the most surge sensitive position;
– being in the open position.
H.26.11.102 Compliance
The valve shall tolerate electrostatic discharges on the mains supply and signal lines, so that,
when tested in accordance with H.26.11.101,
a) for the value of severity level 3: it shall continue to function in accordance with the
requirements of this standard. No influence to the actual position of the valve is recognized;
b) for the value of severity level 4: for a valve as a protective actuator used as a component of
a protective multi-purpose control or system, it shall either perform as in a) or it may stop
operating and shall indicate that it has done so to the protective multi-purpose control or
system.
NOTE The acceptability of the indication to the protective multi-purpose control or system is dependent on the
application.
Add the following:
H.26.12 Radio-frequency electromagnetic field immunity
Additional subclauses:
H.26.12.1.101
The test procedure and compliance criteria for H.26.12.2 and H.26.12.3 shall be according

H.26.12.1.102 and H.26.12.1.103.
H.26.12.1.102 Test procedure
The test shall be performed during the following operating modes:
– whilst in the closed position;
– during energized movement in the most surge sensitive position;
– whilst in the open position.
H.26.12.1.103 Compliance
The valve shall tolerate high frequency signals and fields on the mains supply, signal terminals
and the enclosure, so that, when tested in accordance with H.26.12.1.102,
a) for the value of severity level 2: it shall continue to function in accordance with the
requirements of this standard. No influence to the actual position of the valve is recognized;

– 12 – IEC 60730-2-8:2000/AMD2:2015

© IEC 2015
b) for the value of severity level 3: for a valve as a protective actuator used as a component of

a protective multi-purpose control or system, it shall either perform as in a) or it may stop

operating and shall indicate that it has done so to the protective multi-purpose control or

system.
NOTE The acceptability of the indication to the protective multi-purpose control or system is dependent on the

application.
H.26.13 Evaluation of compliance

Replace the existing title by the following new title:

H.26.13 Test of influence of supply frequency variations
Add the following:
Addition:
This subclause is applicable for a valve as a protective actuator used as a component of a
protective multi-purpose control or system where the protective function depends on the supply
frequency.
Delete the following text, as introduced in Amendment 1:2002:
“H.26.13.1 Replacement:
After the tests of Clause H.26, the sample(s) shall meet the requirements of Clause 8 and of
17.5 for basic insulation and of Clause 20."
Delete the following text:
"H.26.13.2 Not applicable.”
Add the following:
H.26.13.3 Test procedure
Addition:
The travel time to move the electric actuator from the closed position to the open position as
well as in the other direction as well as to remain in the final position shall be verified for each
of the frequencies of Table H.19.

H.26.13.3.101 Compliance
The percentage of the travel time deviation shall not be higher than the percentage of the
frequency variation. A final position shall be maintained.
Add the following:
H.26.14 Power frequency magnetic field immunity test
Modification:
Replace the second paragraph with the following new paragraph:
Compliance is checked by H.26.14.3.101 after the test of H.26.14.2.

© IEC 2015
H.26.14.3 Test procedure
Addition:
Operating modes are as follows:

– being in the closed position;

– moving between the closed and open position and vice-a-versa (being in operation);

– being in the open position.
The test shall be performed in all three operating modes.

H.26.14.3.101 Compliance
The electric actuator shall tolerate power frequency magnetic field, so that, when tested in
accordance with H.26.14.3,
a) for the v
...