STANDARD FOR SAFETY Drinking Water Coolers

标准状态

基本信息

标准简介

UL 399 STANDARD FOR SAFETY Drinking Water Coolers1 Scope1.1 These requirements cover self-contained drinking-water coolers employing hermetic refrigerantmotor-compressors or thermoelectric water chilling systems and designed for connection to alternating-current circuits rated not greater than 600 volts in accordance with the National Electrical Code,NFPA 70.The following types of water coolers are included within the scope of this Standard:a) Those supplying cold water or both cold and hot water;b)Battery operated;c)Those employing flammable refrigerant as defined in Supplement SB; andd) Those provided with ultraviolet (UV) radiation lamp systems in which the UV wavelengths are200 nm or greater;however, the effectiveness of the water treatment by the UV radiation is notcovered by these requirements.1.2These requirements do not include additional requirements applicable to equipment designed for usein hazardous locations as defined in the National Electrical Code,NFPA 70.1.3 A product that contains features, characteristics, components, materials, or systems new or differentfrom those covered by the requirements in this standard, and that involves a risk of fire, electric shock, or

内容预览