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现行 UL 1453
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Electric Booster and Commercial Storage Tank Water Heaters 电动增压器和商用储水箱热水器
发布日期: 2016-03-29
请注意:此版本的所有临时修订版将在您购买时提供。电动增压器和商用储水箱水加热器SUL 1453范围1。1这些要求包括根据国家电气规范NFPA 70,在普通场所使用的额定电压为600伏或以下的电动辅助热水器、电动商业储水箱热水器和此类加热器的远程控制组件,且至少满足以下条件之一:容量超过120加仑(454升);额定功率超过12千瓦;或配备一个或多个温度调节控制装置,允许水温超过85°C(185°F)。1.2这些加热器用于根据模型机械和管道规范进行安装。1.3容量不超过120加仑(454升)的电热水器,额定功率不超过12千瓦,并配有温度传感器- 应根据家用储水箱电热水器标准UL 174.1.4中的要求判断调节恒温器,该恒温器没有超过77°C(171°F)的刻度盘设定值,并配有挡块,以防止调节到更高的设定值。这些要求不包括电锅炉、商用烹饪器具、医疗和牙科设备,或本标准中包含或作为单独要求一部分的其他电热设备或器具。这些要求不包括电极型锅炉。1.5在以下文本中,仅适用于辅助热水器或商用储水箱热水器的要求通过该要求中对所涉及设备的具体参考来确定。除非上下文另有说明,否则如果没有提及或使用热水器一词,则表明该要求适用于本标准中涵盖的所有设备。
Please note: All interim revisions for this edition available at time of your purchase will be included.Electric Booster and Commercial Storage Tank Water HeatersUL 1453Scope1.1 These requirements cover electric booster water heaters, electric commercial storage tank water heaters, and remote control assemblies for such heaters, rated 600 volts or less, to be employed in ordinary locations in accordance with the National Electrical Code, NFPA 70, and that meet at least one of the following conditions:Over 120 gallons (454 L) in capacity;Rated over 12 kilowatts; orEquipped with one or more temperature-regulating controls that permit a water temperature of more than 85°C (185°F).1.2 These heaters are intended for installation in accordance with model mechanical and plumbing codes.1.3 An electric water heater not exceeding 120 gallons (454 L) capacity, rated no more than 12 kilowatts, and equipped with a temperature-regulating thermostat having no marked dial setting more than 77°C (171°F) and provided with a stop to prevent adjustment to a higher setting, shall be judged in accordance with the requirements in the Standard for Household Electric Storage Tank Water Heaters, UL 174.1.4 These requirements do not cover electric boilers, commercial cooking appliances, medical and dental equipment, or other electric heating equipment or appliances that are covered in or as part of individual requirements that are separate from this standard. Electrode type boilers are not covered by these requirements.1.5 In the following text, a requirement that applies only to booster water heaters or to commercial storage-tank water heaters is so identified by a specific reference in that requirement to the equipment involved. Absence of such a specific reference or use of the term water heater indicates that the requirement applies to all of the equipment covered in this standard unless the context indicates otherwise.
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发布单位或类别: 美国-美国保险商实验所
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