IEC60335-2-24-2010 的更新内容介绍

摘要
IEC60335-2-24:2010 的更新内容
z增加了类似家用的描述
z更新了电池连接端子的标志要求
z增加了跨临界制冷产品的要求
z提高了弯折测试要求
z增加了可触及玻璃板的测试
z针对铜铝耦合补充了可燃制冷剂产品的测试
IEC60335-2-89:2010 的更新内容
IEC60335-2-24IEC60335-2-89
新版本IEC60335224与IEC 60335289的对比 EN 60335-2-24/A12:2009的更新内容
1
IEC60335-2-24:2010 更新内容
增加了类似家用的描述
1. add
Refrigerating appliances not intended for normal household use but which nevertheless may be a source of danger to the public, such as：
− refrigerating appliances used in staff kitchen areas in shops, offices and
g g pp p,
other working environments,
− refrigerating appliances used in farm houses and by clients in hotels, motels and other residential type environments,
and other residential type environments,
− refrigerating appliances used in bed and breakfast type environments, and − refrigerating appliances used in catering and similar non-retail applications are within the scope of this standard.
2
IEC60335-2-24:2010 712add 更新内容
增加了类似家用的描述
7.12 add
The instructions shall include the substance of the following:
This appliance is intended to be used in household and similar applications such as
–staff kitchen areas in shops, offices and other working environments;
–farm houses and by clients in hotels motels and other residential type farm houses and by clients in hotels, motels and other residential type environments;
–bed and breakfast type environments;
t i d i il t il li ti
–catering and similar non-retail applications.
NOTE 104 If the manufacturer wants to limit the use of the appliance to less than the above, this has to be clearly stated in the instructions
3
IEC60335-2-24:2010 76add 更新内容
更新了电池连接端子的标志要求
7.6 add
Symbol IEC 60417-5005 (2002-10) Plus; positive polarity
Symbol IEC 604175006(200210)Minus;negative polarity Symbol IEC 60417-5006 (2002-10) Minus; negative polarity
7.101mod
For appliances which can be battery operated, the supply terminals or terminations for connections to the battery shall be clearly indicated by symbols. The positive terminal shall be indicated by symbol IEC 60417-5005 (2002-10) and p y y ()the negative terminal by symbol IEC 60417-5006 (2002-10).
Compliance is checked by inspection.
4
IEC60335-2-24:2010 Added definition 更新内容
增加了跨临界制冷产品的要求
Added definition
3.112 transcritical refrigeration system
refrigeration system where the pressure in the high pressure side is above the pressure where the vapour and liquid states of the refrigerant can coexist in thermodynamic equilibrium
3.113 gas cooler
heat exchanger in which, after compression the refrigerant is cooled down by transferring heat to an external cooling medium without down, by transferring heat to an external cooling medium, without changing state
NOTE A gas cooler is normally used in transcritical refrigeration systems.
5
IEC60335-2-24:2010 Added definition 更新内容
增加了跨临界制冷产品的要求
Added definition
3.114 design pressure (DP)
gauge pressure that has been assigned to the high pressure side of a transcritical refrigeration system
3115bursting disc
3.115 bursting disc
disc or foil which bursts at a predetermined pressure to reduce a pressure in a refrigeration system
3.116 pressure relief device
pressure sensing device, intended to reduce pressure automatically p g,p y when pressures within the refrigeration system exceed the setting pressure of the device
6
IEC60335-2-24:2010 Added marking related requirements 更新内容
针对跨临界制冷系统引入产品要求
Added marking related requirements
7.1 add
Appliances employing R-744 in a transcritical refrigeration system shall be marked with the substance of the following:
WARNING: System contains refrigerant under high pressure. Do not tamper with the system. It must be serviced by qualified persons only.p y y q p y Appliances employing R-744 in a transcritical refrigeration system shall be marked with symbol ISO 7000 –1701 (2004-01).
76add 7.6 add
Symbol ISO 7000–1701 (2004-01)Pressure
7
IEC60335-2-24:2010 Added instruction related requirements
更新内容
增加了跨临界制冷产品的要求
Added instruction related requirements 7.12.1 add
In appliances employing R-744 in a transcritical refrigeration system the instructions shall include the substance of the following:
WARNING: The refrigeration system is under high pressure. Do not tamper with it. Contact qualified service personal before disposal.p q p p
8
IEC60335-2-24:2010 Added construction related requirements
更新内容
增加了跨临界制冷产品的要求
Added construction related requirements 22.103 Appliances employing a transcritical refrigeration system shall in the high pressure side of the refrigeration system include a pressure li f d i th b t th d th relief device on the compressor or between the compressor and the gas cooler. There shall be no shut off devices or other components except piping between the compressor and the pressure relief device, which could introduce a pressure drop could introduce a pressure drop.
The pressure relief device shall be mounted so that the refrigerant released from the system cannot cause any harm to the user of the appliance. The aperture shall be located so that it is unlikely to be obstructed in normal use.The pressure relief device shall have no provisions for setting by the end user.
9
IEC60335-2-24:2010 Added construction related requirements
更新内容
增加了跨临界制冷产品的要求
Added construction related requirements 22.103 (continuous)
The operating pressure of the pressure relief device shall be no higher than the design pressure of the high pressure side.
The design pressure of the high pressure side shall be not less than the minimum high side test pressure required in Table 101 of IEC 60335-2-34 g p q
divided by 3.
The refrigeration system including all components shall withstand the The refrigeration system, including all components, shall withstand the pressures expected in normal and abnormal use and during standstill.Pressure testing has to be done on the complete refrigeration system, however it can be done separately for the low pressure side and for the high however it can be done separately for the low pressure side and for the high pressure side.
10
IEC60335-2-24:2010 Added components related requirements
更新内容
增加了跨临界制冷产品的要求
Added components related requirements 24.1.4 add
–for pressure relief devices of the bursting disc type, three separate samples of the appropriate parts of the refrigeration system are tested and the bursting disc shall operate in the same way for each sample tested 1–electrical pressure relief devices
for automatic operation: 30000for manual reset 300
for manual reset 30011
IEC60335-2-24:2010 Added components related requirements
更新内容
增加了跨临界制冷产品的要求
Added components related requirements 24.1.4 add
Electrical pressure relief devices shall comply with IEC 60730-2-6 and –shall be of type 2B and type 2N;
–shall have a trip free mechanism of type 2E;
the deviation and drift shall not exceed +0%
–the deviation and drift shall not exceed + 0%.For mechanical pressure relief devices not falling under the scope of IEC 60730 the operating pressure must be no more than the setting of the device plus 10 %.
Pressure relief devices of the bursting disc type that are not certified to ISO 4126-2 shall be tested as part of the appliance to 14.3.4 of ISO 4126-2.
12
IEC60335-2-24:2010 Added components related requirements
更新内容
增加了跨临界制冷产品的要求
Added components related requirements IEC 60730-2-6 and IEC 60730-1
type 2B:micro-disconnection on operation .
type 2N: For sensing actions, no increase in the operating value as a result of any leakage from the sensing element or from parts connecting the sensing element to the switch head.
type 2E: a trip-free mechanism in which the contacts cannot be prevented from opening or maintained closed against a continuation of the fault .ISO 4126-2 Safety devices for protection against excessive pressure
-Part 2: Bursting disc safety devices
14.3.4 ??
13
IEC60335-2-24:2010 Added components related requirements
更新内容
增加了跨临界制冷产品的要求
Added components related requirements 24.102 The discharge capacity of the pressure relief device shall be such that it is able to release an adequate amount of refrigerant so that the d i th l f th f i t d t i b d pressure during the release of the refrigerant does not increase beyond the pressure setting of the pressure relief device even if the compressor is operating.
Compliance is checked by validation of the manufacturer’s calculations or by an appropriate test.
14
IEC60335-2-24:2010 233Mod 更新内容
提高了弯折测试要求
23.3 Mod
Instead of the test being carried out while the appliance is in operation, it is carried out with the appliance disconnected from the supply.
The number of flexings for conductors flexed during normal use is increased to 100 000.
15
IEC60335-2-24:2010 22116Accessible glass panels with an area having any two orthogonal
更新内容
增加了可触及玻璃板的测试
22.116 Accessible glass panels with an area having any two orthogonal dimensions exceeding 75 mm shall be either made from glass that shatters into small pieces when broken or be made from glass that has enhanced mechanical strength mechanical strength.
For accessible glass panels made from glass that shatters into small pieces when broken, compliance is checked by the following test, which is performed on two samples on two samples.
For accessible glass panels made from glass that has enhanced mechanical strength, compliance is checked by the pendulum hammer test Eha of IEC 6006827560068-2-75.
For the test the glass panels are supported according to their method of incorporation in the appliance.
Th t t i f d ith th bl li d t th t iti l i t t l The test is performed with three blows applied at the most critical point on two samples, the impact energy of each blow shall be 5 J.
At the conclusion of the tests the glass shall not be broken or cracked.
16
IEC60335-2-24:2010 Pendulum hammer test Eha of IEC 60068-2-75
更新内容
增加了可触及玻璃板的测试
Pendulum hammer test Eha of IEC 60068-2-7517
IEC60335-2-24:2010 22107add 更新内容
针对铜铝耦合补充了可燃制冷剂产品的测试
22.107 add
Compliance is checked by inspection and by the tests of 22.107.1, 22.107.2 and if necessary, 22.107.3.
22.107.1 A leakage is simulated at the most critical point of the cooling system. For refrigerant circuits that do not meet the corrosion requirements of 22.107.3 a leak is also simulated at any point of the cooling circuit that is nearest to an
t f i bl i t f d t t t
entry of a pipe or cable into a food storage compartment.
NOTE 1 Critical points are only interconnecting joints between parts of the refrigerant circuit including the gasket of a semi-hermetic motor compressor. Aluminium to copper joints are also critical points unless they are protected against corrosion by a coating or joints are also critical points unless they are protected against corrosion by a coating or sleeving that excludes oxygen.Welded telescopic joints of the motor-compressor housing, the welding of the pipes through the motor-compressor housing and the welding of the hermetic glass to metal seals (fusite) are not considered to be pipework joints.To find the most critical point of the cooling system, it may be necessary to carry out more than one test.
18
IEC60335-2-24:2010 Add221073更新内容
针对铜铝耦合补充了可燃制冷剂产品的测试
Add 22.107.3
If aluminium having a purity of less than 99,5 % according to ISO 209 is used in a protected cooling system that is embedded in thermal insulation, a sample of the cooling system is subjected to the salt mist test of IEC60068211for a test the cooling system is subjected to the salt mist test of IEC 60068-2-11for a test duration of 48 h.
After the test there shall be no sign of blistering, pitting or other active corrosion
f th l i i it ti if
of the aluminium or its coating, if any.
NOTE Aluminium with an ISO designation of Al 99,5 or an international registration record of 1050 A has a purity of 99,5 %
19
IEC60335-2-24:2010 Add22111更新内容
针对铜铝耦合补充了可燃制冷剂产品的测试
Add 22.111
In compression-type appliances which use flammable refrigerant in their
cooling system, all possible inadvertent contact points between uncoated
aluminium and copper pipes or similar dissimilar metals shall be prevented from aluminium and copper pipes or similar dissimilar metals shall be prevented from
galvanic coupling by positive means such as the use of insulated sleeving or
spacers.
C li i h k d b i ti
Compliance is checked by inspection.
20
IEC60335-2-24:2010 Add Annex DD(informative)更新内容
针对铜铝耦合补充了可燃制冷剂产品的测试
Add Annex DD (informative)
Sound manufacturing practice for compression-type appliances which use flammable refrigerant
For compression-type appliances which use flammable refrigerant in their cooling system the following recommendations are made concerning the manufacturing process.
All cooling circuits which are embedded in thermal insulation should be subject to a leak test prior to being embedded.
Prior to foaming there should be an inspection to ensure that there is no damage to the parts that are protected against corrosion or to the means provided for the prevention of galvanic coupling between copper and unprotected aluminium pipes.
galvanic coupling between copper and unprotected aluminium pipes.
21
IEC60335-2-89:2010 更新内容
增加了跨临界制冷产品的要求（同-2-24）
-2-24
提高了弯折测试要求（同224）
针对可燃制冷剂增加了标志要求（与-2-24不同）
7.15 For appliances which use flammable refrigerant, the marking of the type of flammable refrigerant and of the flammable insulation blowing gas, shall be
g g p
visible when gaining access to the motor-compressors, and, in the case of appliances with a remote refrigerant unit, the pipe connections.
The symbol, “Caution: risk of fire” shall be placed on the nameplate of the unit
g yp g,
near the declaration of the refrigerant type and charge information, It shall be visible after installation of the appliance
22
-2-24-2-89的对比
Clause 1新版本与的对Clause 1 范围
Clause 8 防触电保护
Clause 10 功率和电流
Clause 15 防水
Clause 20 稳定性和机械危险Clause 21
Clause 21 机械强度
Clause 22 结构
Clause 24 部件
Clause 25 电源线
Note:ice-makers battery-driven products Note: 由标准特有产品引出的差异略（ice-makers, battery-driven products ）
23
新版本-2-24-2-89的对比
-2-24
与的对范围不同
AC 250, AC 480, DC 24
refrigerating appliances for household and similar use;
z used in staff kitchen areas in shops, offices and other working environments,
z used in farm houses and by clients in hotels, motels and other residential y ,
type environments,
z used in bed and breakfast type environments, and
used in catering and similar non retail applications
z used in catering and similar non-retail applications ice-makers incorporating a motor-compressor and ice-makers intended to be incorporated in frozen food storage compartments;
refrigerating appliances and ice-makers for use in camping, touring caravans and boats for leisure purposes
ice-cream appliances intended for household use
24
pp
新版本-2-24-2-89的对比
-2-89
与的对范围不同
refrigerated display and storage cabinets ;
refrigerated trolley cabinets;
service counters and self-service counters;
blast chillers and blast freezers.
25
新版本-2-24-2-89的对比
-2-89
与的对clause 8
8.1.1 add
Where an appliance has parts which require adjustment under operating conditions by a skilled person after removal of non-detachable parts , live parts shall not be accessible and they shall be protected at least by basic insulation .
NOTE 101 Examples of adjustable parts are inaccessible thermostats , temperature limiters and thermostatic expansion valves.
26
新版本-2-24-2-89的对比
-2-24
与的对clause 10
10.102
The power input of any heating system shall not deviate from the power input of these systems marked on the appliance by more than the deviation shown in Table 1.
27
新版本-2-24-2-89的对比
-2-89
与的对clause 15
15.2 Add
For appliances which are directly connected to the water supply, the water container, or that part of the appliance which serves as the container, is filled with water as in normal use. The inlet valve is then held open and the filling is continued for 5 min after first evidence of spillage.
Where no spillage occurs due to the operation of a device that prevents such spillage, the inlet valve is held open for a further 5 min following the operation of this device.
28
新版本-2-24-2-89的对比
-2-24
与的对clause 15
15.104
For ice-makers which are directly connected to the water supply, the container, or that part of the appliance which serves as the container, is filled with water as in normal use. The inlet valve is then held open and the filling is continued for 1 min after the first evidence of overflow.
Where no spillage occurs due to operation of a device that prevents such spillage, the inlet valve is held open for a further 5 min following the operation of this device.
15.105 Operation of a defrosting system shall not affect the electrical insulation
of defrost heating elements.
g 29
新版本-2-24-2-89的对比
-2-24
与的对clause 20
20.101 Refrigerating appliances and ice-makers shall have adequate stability. If stability of the appliance is provided by an open door, the door shall be designed to provide support be designed to provide support.
20.102 Appliances provided with doors shall be subjected to the following test. 20.103 Appliances provided with sliding drawers inside food storage compartments are subjected to the following test compartments are subjected to the following test.
20.104 Appliances provided with sliding drawers accessible without opening a d bj t d t th f ll i t t
door are subjected to the following test.30
新版本-2-24-2-89的对比
-2-89
与的对clause 21
21.1 add
For accessible glass panels which provide insulation for ancillary heating elements of other than class III construction , the blows applied to the panel are made with the hammer spring adjusted so that the impact energy is 2,00 J ±0,05 J. For other accessible glass panels the hammer spring is adjusted so th t th i t i 100J 005J
that the impact energy is 1,00 J ±0,05 J.31
新版本-2-24-2-89的对比
-2-24
与的对clause 22
22.111
In compression-type appliances which use flammable refrigerant in their cooling system, all possible inadvertent contact points between uncoated aluminium and copper pipes or similar dissimilar metals shall be prevented from galvanic coupling by positive means such as the use of insulated sleeving or spacers.
Compliance is checked by inspection.
32
新版本-2-24-2-89的对比
-2-89
与的对clause 22
22.7 Replacement:
Appliances, including protective enclosures of a protected cooling system, that use flammable refrigerants shall withstand:
–a pressure of 3,5 times the saturated vapour pressure of the refrigerant at 70 °C, or equal to 3,5 times the pressure at the critical temperature if this is lower than 70 °C, the test pressure being rounded up to the next 0,5 MPa (5 bar),for parts exposed to the high side pressure during normal use;
–a pressure of 5 times the saturated vapour pressure of the refrigerant at 20 p p p g
°C, or equal to 2,5 MPa (25 bar), whichever is the greater, the test pressure being rounded up to the next 0,2 MPa (2 bar)for parts exposed only to low side pressure during normal use.
22.101 different part with -2-24
These lampholders shall then withstand a pull test with 50 N , applied for 1 min in the direction of the axis of the lampholder (-2-24push and pull 10+-1N)33
in the direction of the axis of the lampholder. (224 push and pull 10+1N)
新版本-2-24-2-89的对比
-2-89
与的对clause 22
22.110
The interior of compartments, in appliances with a free space which is enclosed by sliding doors or sliding lids, shall be visible from the outside with the doors or lids closed.
Compliance is checked by inspection
22.114
Split system appliances that use a flammable refrigerant shall not be fitted Split-system appliances that use a flammable refrigerant shall not be fitted with precharged interconnection refrigerant piping.
Compliance is checked by inspection.
34
新版本-2-24-2-89的对比
-2-24
与的对clause 24
24.101
Lampholders shall be of the insulated type.
Compliance is checked by inspection
35
新版本-2-24-2-89的对比
-2-24
与的对clause 25
25.7 Mod:
Light polyvinyl chloride sheathed cord (code designation 60227 IEC 52) and heat-resistant light polyvinyl chloride sheathed cord (code designation 60227 IEC 56) are allowed regardless of the mass of the appliance.
Add:
This subclause does not apply to flexible leads or cords used to connect an appliance to a SELV power supply appliance to a SELV power supply.
36
Add:
715Add at the end EN60335-2-24/A12:2009 更新内容(dow 2012-11-01)
7.15 Add at the end :
The height of the letters used for the marking of the type of flammable insulation blowing gas shall be at least 40mm
37。