Household and similar electrical appliances - Safety - Particular requirements for range hoods
1 Scope
This clause of GB 4706.1-2005 is replaced by the following.
This part deals with the safety of electric range hoods intended for installing above household cooking ranges, hobs and similar cooking appliances, with their rated voltage being not more than 250 V.
Note 101: The cooking appliance may be supplied by electricity or other fuels, such as gas.
Appliances not intended for normal household use but that nevertheless may be a source of danger to the public, such as range hoods intended to be used by laymen in shops, in light industry and on farms, are within the scope of this part.
As far as is practicable, this part deals with the common hazards presented by appliances that are encountered by all persons in and around the home.
However, in general, it does not take into account
——the use of appliances by young children or infirm persons without supervision;
——playing with the appliance by young children.
Note 102: Attention is drawn to the fact that
——for appliances incorporating electrostatic air filters, IEC 60335-2-65 also applies;
——for range hoods intended to be used in vehicles or on board ships or aircraft, additional requirements may be necessary;
——additional requirements are specified by the national health authorities, the national authorities responsible for the protection of labour, the national authorities responsible for buildings and similar authorities.
Note 103: This standard does not apply to
——range hoods intended for commercial purposes (IEC 60335-2-99);
——range hoods intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour or gas)
2 Normative references
This clause of GB 4706.1-2005 is applicable.
3 Definitions
This clause of GB 4706.1-2005 is applicable except as follows.
3.101 range hood
motor-operated appliance intended to collect contaminated air from above a hob
Note: The filtered air may be discharged back into the room or ducted away.
4 General requirement
This clause of GB 4706.1-2005 is applicable.
5 General conditions for the tests
This clause of GB 4706.1-2005 is applicable except as follows.
5.10 Modification:
Range hoods are not connected to a duct.
6 Classification
This clause of GB 4706.1-2005 is applicable.
7 Marking and instructions
This clause of GB 4706.1-2005 is applicable except as follows.
7.1 Addition:
Appliances shall be marked on or near the lampholder with the maximum power input of replaceable lamps as follows:
“Lamp max… W” or “ maximum power …W”
7.12 Addition:
The instructions shall state the substance of the following:
——there shall be adequate ventilation of the room when the range hood is used at the same time as appliances burning gas or other fuels (not applicable to range hoods that only discharge the air back into the room);
——the details concerning the method and frequency of cleaning;
——there is a fire risk if cleaning is not carried out in accordance with the instructions;
——do not flambe under the range hood.
7.12.1 Addition:
The installation instructions shall include the substance of the following:
——the air must not be discharged into a flue that is used for exhausting fumes from appliances burning gas or other fuels (not applicable to range hoods that only discharge the air back into the room);
——the minimum distance between the supporting surface for the cooking vessels on the hob and the lowest part of the range hood. When the range hood is located above a gas appliance, this distance shall be at least 65 cm. If the instructions for installation for the gas hob specify a greater distance, this has to be taken into account.
7.15 Addition:
The marking for maximum power input of a replaceable lamp shall be visible during replacement of the lamp.
8 Protection against access to live parts
1 Scope
2 Normative references
3 Definitions
4 General requirement
5 General conditions for the tests
6 Classification
7 Marking and instructions
8 Protection against access to live parts
9 Starting of motor-operated appliances
10 Power input and current
11 Heating
12 Void
13 Leakage current and electric strength at operating temperature
14 Transient overvoltages
15 Moisture resistance
16 Leakage current and electric strength
17 Overload protection of transformers and associated circuits
18 Endurance
19 Abnormal operation
20 Stability and mechanical hazards
21 Mechanical strength
22 Construction
23 Internal wiring
24 Components
25 Supply connection and external flexible cords
26 Terminals for external conductors
27 Provision for earthing
28 Screws and connections
29 Clearances, creepage distances and solid insulation
30 Resistance to heat and fire
31 Resistance to rusting
32 Radiation, toxicity and similar hazards
Annexes
Bibliography
