GB 4706.11-2004 Particular requirements for safety of household and similar electrical appliances - Instantaneous water heaters
Some standard content:
1S 97. 040. 50
National Standard of the People's Republic of China
GB 4706.11—2004/EC 60335-2-35.2002 Replacing GB47CG.11-1097
Safety of Household and Similar Electrical Appliances
Particular requirements for instantaneous water heaters
Househnld and similar elecirical appliances-SafetyParticular requirements for instantaneous water heatersE: 60335 2 35:2002.ID[)
2004-05-10 Issued
National Quality Policy of the People's Republic of China, Inspection and Quarantine Administration of the People's Republic of China, Standardization Administration of the People's Republic of China
2006-08-01 Implementation
TEC statement
Normative reference
Fees and requirements
General provisions of the test
Marking benefits
Liu Ke, No live parts of the anti-pull
Electric appliances flash bottom
Input power and return
Free of charge current in our city
Reduced current overvoltage
Sea humidity resistance
Flow and medium frequency||t t||Type of load protection for pressure transmitter and related circuits
Abnormal working
General environment and vibration hazard
Machine actual site
Internal voltage
Power supply connection phase external line
Partial conductor environment.
Connection specification
References:
Electrical principle, electrical principle and national standard
Time heat and pre-combustion
Plug and play, change and similar hazards
Document
Single-phase class connected unit water heater Zhou Yao power city measurement line medical diagram
Single-phase class water heater leakage measurement circuit diagram Figure 12
G2706.11—2004/E 60335-2-35,2002 Foreword
Heart 4 All technical contents of this part are mandatory: GB 4706.11—2004/1EC 60335-2-35,2002 This part is divided into GB4706.111S97 Safety of household and similar electrical appliances Part 2 of the Safety of household and similar electrical appliances 3. This part should be used in conjunction with G13476.1—205 etc. F60335-1:2001 Amendment 1, i.e., Version 4.1. If there is a difference in the version, which may cause problems in the use of the main part, the corresponding version should be referred to, IE original standard. The vehicle part is formed by supplementing or summarizing GB4706.1. H4?C6.1 If the provisions are not mentioned in this part, it means that the meaning of GB4703.1 is applicable to the area part. For the part represented by "period" in the technical part, the provisions of this part shall prevail; the following "addition" in this part means that in addition to complying with the corresponding provisions of "H-70,1", it must also comply with the additional provisions of this part. The text part is equivalent to 1H:8C335235, 20024, special requirements for the safety of electrical appliances for general use and general purpose instantaneous water heaters 3. For the convenience of use, this part makes the following confirmation of IEC50335-2-35, a) "Part |" is changed to "GR175.1" b) Use decimal point ", "less moss" as the decimal point. The main changes of this part compared with GB4706.11-1999 are as follows: a) In the case of pressure increase, add "water heater" in the inapplicable scope b) In this part, delete the chapter "rated value", and its requirements are reflected in 22.101. C) In this part, chapter 8 is not applicable, and the content of chapter H in GB47:16.11-1997 is deleted. d) In this interpretation, the clauses added in chapter 19 of GB4706.11-1997 are effective in chapter 22; d) In the case of pressure increase, add the requirements for hot-break in chapter 21 of this part. This part is formulated by China National Light Industry Federation: This part is interpreted by the Technical Committee for Standardization of Household Appliances. Drafting units of this part: Guangzhou Institute of Technology, Haidong Water Heater Co., Ltd., Guangdong Macro Gas Appliance Co., Ltd., Guangzhou Daily Appliance Testing Institute.
The main content of this part is: GR476.11-2GC4/IFC60335-2-35.2002IEC Foreword
The International Technical Committee (IIFC) is a world-class standardization organization composed of all national electrical committees (IEC National Committees). Its main purpose is to promote international cooperation on standardization issues related to electrical and electronic fields. To this end, in addition to other activities, it also publishes international standards. The formulation of this standard is entrusted to the technical committees. The IEC and the International Standardization System (IS) need to cooperate in the formulation of appropriate standards. The IEC and the International Standardization Committee will work together to formulate the standards in a timely manner. The two organizations need to agree on the terms of the two organizations.
2) The IEC will issue formal agreements on technical issues of interest to all users. The issues will be formulated by the technical and safety committees participating in the committees. As far as possible, they will express the views of all parties on the issues involved in the international conference. The decisions can be made in the form of technical reports or guidance documents. 1) This publication is for the purpose of consulting national bodies for international use. In order to promote international uniformity, IEC members shall ensure that IEC standards are translated into national or regional standards with a high degree of accuracy. IEC standards shall not be used in any manner inconsistent with national or regional standards. IEC shall not establish any procedures for the recognition of any approval mark. IEC shall not be liable for any such recognition mark if any equipment is declared to be in conformity with the standard. 6) This standard may contain patent rights. Attention should be paid to this. IEC is not responsible for identifying any such patent rights. This standard is not intended for use with any national or regional standards. This fourth edition cancels and replaces the first edition (1933) published in 1997 and its accompanying draft. This standard is based on the following documents: FDIS
C1/217G:FD15bzxZ.net
Voting Report
SI/2251/RVD
Details of the six standards voted on, the voting report listed in the table above, this standard is used in conjunction with the IE60535-1 or new edition and its implementation plan. It is based on the IEC 1333-1 (711) edition. The following are the specifications mentioned in Part 1 of this standard: 0531 This standard supplements or adds specifications [E60335-1] to convert it into 1. Standard C: Instantaneous water heaters. Any relevant clauses in this standard that are not mentioned in the standard 6.5-1 can be used as long as the relevant contents in R31 are marked with "addition", "change" or "replacement". Note: The relevant contents in R31 can be used as relevant clauses in this standard. The relevant clauses, specifications and drawings added in the first part can be used as relevant clauses in the first part. The relevant clauses can be used as relevant clauses in the first part. The relevant clauses can be used as relevant clauses in the first part. The relevant clauses can be used as relevant clauses in the first part. The relevant clauses can be used as relevant clauses in the first part. GH 4706. 11—2004/IEC 60335-2-35:2002 Asian text in the male body printing period in 3 hundred to give the definition, the type of quantity meaning net change form etc. wait time: then the effect form and related more than one month is described, the card points will be determined in this international ocean content 200, the screening will remain unchanged, the time zone standard will be: · sound new determination
· European consumption:
· use -- a genuine version of the ban, changes
in some countries there are differences such as:
6.1 Honor Wide-element water heaters are not allowed (recorded, India, Israel, Malaysia, Singapore and Turkey: 1. Allowed type of device (Japan)
7.1 Sealed hot water heaters with a rated power less than 1.0M1a must be marked with H: the valve must be installed in the position (Sweden). 1. Different from the single mark of the rated pressure, it is not necessary to mark the water outlet resistance (Regional 7.1 Information about the air exhaust of the operating element water heater must be provided: wrinkle blue>---?, 12.[The installation of a modular water heater must comply with the special requirements specified in the manual, and the design and steps must be clearly stated in the instruction manual! ;-15.4 Water flow does not exceed 1:1 in the United States (USA):
19,3 The technical temperature limit of the + type water heater is 7℃ 1, for example, and the United Kingdom 119.3 Water temperature does not exceed 1:1 in the United Kingdom):
22,31 For the minimum fixed size of the upper and lower type water heaters 1.0P):--22.=03 Closed water heaters with a capacity exceeding 15 must be equipped with a pressure relief device (Israel! 22.33J Closed water heaters must be equipped with a pressure relief device that will release the temperature into the air. This must be operated before 10% of the operating condition (British Five):
22.103 Pressure relief function is not required for water heaters that are more relevant to the United States) The bilingual version of this standard is published in the United Kingdom,
GB 4706.11-2004/IEC 60335-2-35:20021EC
In the context of or in conjunction with this International Standard, it is assumed that the relevant technical knowledge and experience of the person performing the work of the standard is sufficient. This standard recognizes that the equipment is suitable for use under the conditions specified in the instructions for use and is protected against the hazards of gas, mechanical, thermal, fire and radiation when used in accordance with the instructions for use. It also includes the abnormal conditions that may be expected in actual application. In formulating this standard, every effort has been made to consider the requirements of IEC 6054, so that the equipment is fully compatible with the mains circuit when connected to the mains circuit. However, this does not apply to domestic equipment: if an appliance is covered by this standard and is also covered by other parts of IEC 6933, the requirements of the relevant part 2 shall apply to the individual equipment, as far as reasonable. If applicable, the impact of one function shall be considered as far as possible.
This standard sets a higher safety standard for household products than the general water and usability standards. If a product that meets the requirements of this standard is found to have other characteristics that will impair the safety level contained in these safety requirements during inspection and testing, it will be determined that it meets the safety principles of this standard. If the product is not specified in the requirements of this standard, the product can be qualified and aged according to the intention of these requirements. If its basic characteristics are found, it can be judged that it meets the safety principles of this standard. 1 Specification
GB4706.11-2004/FC:6C335-2-35.20C2 Safety of household and similar electrical appliances
Special requirements for instantaneous water heaters
This part of GB470e.1 applies to all except the following: Safety of instantaneous water heaters for household and similar purposes and designed to heat water to a desired temperature, the rated voltage of a single appliance shall not exceed 350V. The rated voltage of other appliances shall not exceed 480V: "Instantaneous water heaters equipped with electric heating elements are used in the above-mentioned areas. They are not intended for household use, but are still dangerous to the public. For example, appliances intended for use by non-professional personnel in off-site, light industrial and agricultural facilities are also included in the specifications of this part. Change the situation of the blood, the six parts of the various instruments involved in the general danger, is in any house and any of it Manchuria environment culture all people can be against,
However, - reported to the emperor of the well sand and: light people Shun my Naer tribe Oh tribe when the danger of using instruments! Children love instruments,
Sit 202; more than the following facts!
Plan in Ting count small in the vehicle, ship or aviation register will be on the equipment, can be required before the additional requirements. In many countries, the whole return of the Ministry of Health, the whole use of the living protection department, the national long water pipe dance department and the fake department are all instruments! Request
One of the many domestic equipment for the connection of water original equipment to obtain the trend of the request, note, this post is not active below:
Water device u
Post water type hot water H 55.12
Specially designed for industrial hand-held devices:
Customized for use in a light environment requiring the production of ionizing or ionizing gases, such as gas or methane gas> new road only: commercial use only including the general price of the road (GB4706.73). 2 References
GB1706.1 This chapter
3 Definitions
GB 1706. 1 The following shall apply except for the following: 3.1.9 Normal operation Provide water to the device and bring the water flow to the highest water temperature, and make sure that the thermal circuit breaker is not moving. 3.101 Insulated water heater Instantaneous water heater Refers to a vertical device that heats water when water flows through it. 3.102 Closed water heater elusd wuler hellkerGH 4706. 11-20Q4/[FC. G0335-2-35: 202 Refers to an instantaneous water heater with a fixed water source and a small flow back to the outlet. It is a single or multiple-volume open water heater. srater heater refers to a rapid-heating water heater with a valve in the water pipe. This type of water heater has no valve in the outlet pipe. 3.704
bar-elderdeniwaterheater is a rapid-heating outlet water heater with no valve and is immersed in water. 3.165
ratedpressure
rated pressure
refers to the water pressure specified for the equipment.
flow switch
a switch that operates with the flow of water,
pressure switch pnssurswilel
a switch that operates with the change of pressure
4 general requirements
H46,1 is designed or applicable,
5 general parts for test
this equipment is applicable except for the following connections.
5.2 Addition:
0: For products under 22.10,
5.3 Addition:
When tested on an independent robot, the tests under 19, 10%, 107, 10% and 24.102 should be conducted before the tests under 19.
5.7 Addition:
The temperature required for the test should be
6 Classification
|This feeling is applicable except for the following, 6.1 reduction and modification:
standard heart-controlled water heaters should be Class I, and the hot water industry should be Class I, II related to the absorption industry: 6.2 tower addition:
water heater stem should be [PX1
1: the road law area can be a line higher than the water level, in the area of the following content, please use
GB-7U6.1 of the following content. 7.1 increase:
note 13: the limit element water efficiency car is 2, the bottom mark has a certain unit, the unit is Ia,
screen element hot water heater should be marked with the following content: the water service rate shall not be less than ..·m.
102, the electrical conductivity of water at ℃ should not exceed.【3CO·cm, 7.12 Addition:
GB4706.11—2004/TEC60335-2-35:2002 The instructions for the use of integrated water heaters should include the following:
Warning: If the water in the hot water heater is likely to freeze, the water heater must be turned on. Note: If the product has special features, this warning is not required. 7.12.1 Addition:
The installation instructions for the water heater should not be connected to any faucet or connector that is not a real node. If a closed hot water heater is used, a pressure relief device must be installed, then the instructions should state: When installing the hot water heater, a pressure relief device must be installed. Unless there is a pressure relief device installed in the hot water heater, the installation instructions of the hot water heater with a component should state the following: The water supply resistance is not less than 1 cm.
The appliance must be connected to the ground; and it must be connected to an increase (only 1 device is prohibited)
When the hot water heater with a component can be drained, the installation instructions should state that the device is installed in the place where the energy is connected. 7.15
The mark of the hot water heater with a component can be measured during the installation of the appliance. 7.101 The water inlet and outlet should be marked, and this mark should not be on removable parts. If the title color is blue, it indicates reverse water, and red indicates small mountains and water:
The design can be marked with a head. Determine whether it is qualified by observing the light
7.1921 The water heater should be marked with a flame retardant component, and the device must be grounded. Determine whether it is qualified by inspection
Note: The mark can be,The whole marked on the vehicle's detachable single label or nameplate, 3 for touching the live plastic parts of the grass except the reverse penetration, all use 8, 1.5 full: tt: the power supply and the power are connected to the test post room, the system is not applicable to the nominal area greater than >, the soft and permanent connection to the room to avoid installation according to 5, but the soft specification! , the horizontal micro-surface should not be greater than 25 yuan, and there should be no easily fusible and live parts within the range of 1 opening 9 electric appliance starting tt: t 4786.1 filter chapter does not apply. tt: 10 input power and current tt: GB1706.1 design chapter applies.
CB 4706.11—2004/IF 60335-2-35:22H heating
GR" this chapter is applicable except for the contents described in this chapter. 11.7 Recommended;
It is expected that the two will work from the violation of the text to the stable state.
12 Void
F3 Leakage current and electrical strength at working temperature of Deer GH476.: This chapter is applicable except for the following optional contents: 13.2 Addition:
For the special component type heating technology, the device is tested with water of the medium power indicated above. Note: Adding a certain type of wrong to the water can prepare water with a suitable power. For [type condensing element water heaters, the leakage current between the sieve and the ground should be measured in the water with a discharge ratio of m. For single-phase appliances, the terminals of the thermal element are connected to the power supply via a suitable switch in turn as shown in Figure 101; for three-phase appliances, the terminals are connected to the neutral line as shown in Figure 1C2, and the current should not exceed 25%.
14 Overvoltage
This clause of GB1735.1 applies.
15 Humidity resistance
The clause of GB473.1 applies except for the following changes. 15.1, 2 added,
When mounting the appliance, a gap of 3mm should be kept with the mounting surface, unless the installation instructions specify a larger gap. 16 Sliding current and electrical strength
The clause of GB170i.1 applies except for the following changes. 16.2 Added: For bare water heaters, the test shall be carried out with water of the rated capacity indicated by the appliance manufacturer. 17 Overload protection of transformers and associated circuits This clause of GB 4706.1 is applicable. 18 Durability This clause of GB 4706.1 is not applicable. 19 Abnormal operation This clause of GB 4706.1 is applicable except for the following: 19.2 Not applicable: 19.3 Not applicable For digital water heaters, during the first test, the water flow switch and the pressure switch are short-circuited. The water control network is adjusted to the most unfavorable position. The water control network is adjusted to the most unfavorable position. The water control network is adjusted to the most unfavorable position. The water control network is adjusted to the most unfavorable position. The water control network is adjusted to the most unfavorable position. The water control network is adjusted to the most unfavorable position. The water control network is adjusted to the most unfavorable position. The water control network is adjusted to the most unfavorable position. 60335-2-35:2002 The water flow switch of the closed water heater should be short-circuited, and the pressure should be reduced to a certain extent. If the appliance does not have a flow switch, backflow may occur. In this case, the water heater should be filled with water until the heating element is just covered. Then the water outlet should be opened. Note 12: If there is a one-way safety circuit breaker or a special circuit breaker installed in the living room, it is considered that backflow is impossible. 19.13 Added:
±-0!, the water product is considered to be external,
during the test period of 19, 4 or 19, it should not be relied on. Slope crack, water should exceed: -55T, for the rate of flow over 1" of the heat exchanger: 143℃, for the air volume over 1" of the closed hot water energy, 20 displacement and mechanical disk risk
G4705.1 of this chapter applies
21 mechanical strength
1706. The calibration is suitable for the month,
22 structure
CB4706.1 can be applied to this Zhuo except for the following exclusions. 22.6 Add:
The outer shell is equipped with a water hole, and its position is such that the outflow of water will not affect the self-insulation, unless in normal use, no condensation will occur in the shell, and the diameter of the water hole should be at least m or area of 20mm2, minimum 3cm3: Determine compliance through standard inspection and measurement. 22.33:
This test is not applicable to the operation of the screen element type hot water heater. 22.101 The rated pressure of the sealed water heater shall be at least 0.6MFa. For the closed steam heater that supplies water by reducing the pressure, the rated pressure shall be at least 1MPa:, the rated pressure of the sealed steam heater ... , for the rated pressure of 2 times! For the open-type water heater, the fire is 0.15Mia. If the open-type hot water heater has a regulating wood flow, the water pressure of 2MPa is applied to the water inlet of the device, and the pressure relief device does not operate. The water pressure rises to the current value continuously at Ma/m. There should be water flowing out of the device, and the water does not deform for a long time without affecting the requirements of this standard. 22.1C3
Capacity 31. The closed hot water end shall be equipped with a positive pressure relief device to prevent overpressure. It is determined by inspection that the water is discharged from the device. The pressure relief device is operated before the water discharge is higher than the rated pressure of 1MPa. The pressure opening point can be determined in the safety of the medical staff. 22.104 The structure of the hot water curtain outlet 11 shall not cause the flow to be obstructed and the container to withstand obvious stress in normal use. GD4706.11-2004/IEC99335-2-35:2002 Whether the product is suitable for the product, if the cross-sectional area of the water inlet is not less than the recovery area of the water inlet, the product will be considered safe. 221 The structure of the water switch should be such that the electric heating element cannot be disconnected when there is no water flow, and the water flow is interrupted, and the switch is disconnected. The standard is determined by the proposed inspection and manual test. 22.106 The closed water heater has a thermal circuit breaker that is affected by the water flow rise or the water flow rise. The thermal circuit breaker can only be reset after the tooth is broken without disassembling the change. If the amount of the set does not exceed 1T, the switch can be used for a protective cover, such as a pressure T switch to replace the thermal circuit breaker.
The inspection is carried out to determine whether the rated water level is too high. The following test is used to determine whether the rated water level is too high. The water flow should be adjusted to restore the water flow to the critical state of the positive force at which the switch can be operated.
The surface of the water outlet should not be opposite! , the water temperature of the inlet water does not exceed K. The appliance is designed to be used as a shower water. Under the conditions of normal working conditions and water pressure D.2P, the water temperature at the outlet does not exceed 65%:
, the temperature of the appliance can be used as a shower water without a sudden drop in the water. The following test is used to determine whether it is qualified:
Supply HC.43Pa to the end of the appliance. The temperature difference between the water temperature at the water inlet and the water temperature at the water inlet is KIIK. The water pressure drops to U.2MPa. The outlet temperature should not rise above K. Use a fine-wire thermocouple with a real diameter of 30m and a height of [21] to measure the water humidity of the water. Place it under the nozzle. 22.109 The water of a dispersed water heater with a large pressure should not penetrate the internal pressure before being exceeded. Determine whether it is qualified by visual inspection and the following tests: When the water passes through the top and the spray is completed, the equipment must be tested according to 22.105.1. Only equipment with other effective measures must pass the tests of 22.1015, 1 and 22.109, 3. The following tests must be carried out on the heating parts. Before the internal force is broken or
·When the internal pressure exceeds the benefit, it will not be energized
·After inspection, the appliance complies with the requirements of Section 5.2 of the production knowledge. 2. The product should be connected to the factory and the water source should be verified to prevent excessive pressure. 22.109.1 Feed water to the appliance: close the water outlet and then transport the internal pressure to a small standard of 1.1MP: before, the weak piece should be sprayed open or the pressure should be released. 22.109.2 After the reaction force is fully released, allow water to flow and with the water, close the water outlet and close the water inlet: the grid can short-circuit or the two roads can be sent according to the consultation! Then the device and the child must be under the condition that the heating components do not cause dangerous flashes, except that the self-heating components are not recommended to be folded under load.Open the water inlet valve to make the water rise steadily until it reaches 1.1MPa. Keep doing this for 1min27. Remember 9.3 to feed the water to the device, when the water enters and the mountain water, the controller frequency circuit or ten thousand circuit, the two old ones are not favorable,
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