Detail of GB/T 4706.23-2024

Introduction of GB/T 4706.23-2024

GB/T 4706.23-2024 Safety of household and similar electrical appliances - Part 23: Particular requirements for room heaters 1 Scope This clause of Part 1 is replaced by the following. This document deals with the safety of electric room heaters for household and similar purposes. This document applies to electric room heaters for household and similar purposes, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances. Note 101: Examples of appliances that are within the scope of this standard are ——convector heaters; ——fan heaters; ——heaters for use in greenhouses; ——liquid-filled radiators; ——panel heaters; ——radiant heaters; ——tubular heaters; ——ceiling mounted heat lamp appliances; ——cab heaters. This document also deals with the safety of electric heaters intended for the heating of driver and passenger compartments of motor vehicles when they are stationary, their rated voltage being not more than 250 V. For extraction fans of ceiling mounted heat lamp appliances, IEC 60335-2-80 is applicable as far as is reasonable. Appliances not intended for normal household use but which nevertheless may be a source of danger to the public, such as appliances intended to be used by laymen in the shops, in light industry and on farms, are within the scope of this standard. As far as is practicable, this standard deals with the common hazards presented by appliances which are encountered by all persons in and around the home. However, in general, it does not take into account ——persons (including children) whose • physical, sensory or mental capabilities; or • lack of experience and knowledge prevents them from using the appliance safely without supervision or instruction; ——children playing with the appliance. Note 102: Attention is drawn to the fact that ——for appliances intended to be used in moving vehicles or on board ships or aircraft, additional requirements may be necessary; ——in many countries, additional requirements are specified by the relevant national regulatory authorities; ——for appliances intended to be used in the presence of combustible dust, for example in barns or stables, additional requirements may be necessary. Note 103: This standard does not apply to ——appliances intended exclusively for industrial purposes; ——appliances intended to be used where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour or gas); ——heaters that are built into air conditioners (GB/T 4706.32); ——clothes dryers and towel rails (GB/T 4706.60); ——heaters for saunas (GB/T 4706.31); ——thermal-storage room heaters (GB/T 4706.44); ——heating appliances for breeding and rearing animals (GB/T 4706.47); ——foot warmers and heating mats (GB/T 4706.80); ——flexible sheet heating elements for room heating (GB/T 4706.82); ——heated carpets; ——central heating systems; ——heating cables (GB/T 20841); ——heaters intended for the heating of caravans. 2 Normative references This clause of Part 1 is applicable except as follows. Addition: ISO 3864-1 Graphical symbols - Safety colours and safety signs - Part 1: Design principles for safety signs in workplaces and public areas Note: GB/T 2893.1-2013, Graphical symbols - Safety colours and safety signs - Part 1: Design principles for safety signs and safety markings (ISO 3864-1:2011, MOD) IEC 60068-2-6 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal) Note: GB/T 2423.10-2008, Environmental testing for electric and electronic products - Part 2: Tests methods - Test Fc: Vibration (sinusoidal) (IEC 60068-2-6:2007, IDT) IEC 60335-2-5:2002 Household and similar electrical appliances - Safety - Part 2-5: Particular requirements for dishwashers Note: GB/T 4706.25-2024, Safety of household and similar electrical appliances - Part 25: Particular requirements for dishwashers (IEC 60335-2-5:2018, IDT) IEC 60335-2-43 Household and similar electrical appliances - Safety - Part 2-43: Particular requirements for clothes dryers and towel rails Note: GB/T 4706.60-2024, Safety of household and similar electrical appliances - Part 60: Particular requirements for clothes dryers and towel rails (IEC 60335-2-43:2017, IDT) IEC 60335-2-80 Household and similar electrical appliances - Safety - Part 2-80: Particular requirements for fans Note: GB/T 4706.27-2024, Safety of household and similar electrical appliances - Part 27：Particular requirements for fans (IEC 60335-2-80:2015, MOD) IEC 60584-1 Thermocouples - Part 1: EMF specifications and tolerances Note: GB/T 16839.1-2018, Thermocouples - Part 1: EMF specifications and tolerances (IEC 60584-1:2013, IDT) 3 Terms and definitions This clause of Part 1 is applicable except as follows. 3.101 visibly glowing radiant heater heater incorporating at least one visibly glowing heating element 3.102 fan heater heater in which the movement of the air over the heating element is assisted by a fan 3.103 heater for mounting at high level heater intended to be fixed at a height of at least 1.8 m above the floor 3.104 fireguard that part of the enclosure of a visibly glowing radiant heater through which the heating element is normally visible and which is intended to guard against direct access to the heating element 3.105 immediate surround any surface within 25 mm of the boundary of an air-outlet grille or within 50 mm of the boundary of a fireguard Note: Details of the way in which this distance is determined are shown in Figure 101 for air-outlet grilles and Figure 102 for fireguards. 3.106 ceiling mounted heat lamp appliance heater for recessed mounting at high level into a ceiling and incorporating one or more heat lamps It may also incorporate an extraction fan and an illumination lamp. The fan may be installed separately in ducting or may be an integral part of the heater. Note: The heat lamp is not considered to be a visibly glowing heating element. 3.107 cab heater fan heater for the heating of driver and passenger compartments of motor vehicles when the vehicle is stationary 4 General requirement This clause of Part 1 is applicable.

Contents of GB/T 4706.23-2024