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美国制造
Made in the USA
美国人家用电热水器
安装说明书和使用及维护指南(6)
Residential Electric Water Heater
Installation Instructions and Use & Care Guide (6)

美国人热水器公司
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水系统管线
Water System Piping

管线安装
Piping Installation

  管线,连接件,和阀门应该按照(图6的)安装图进行安装。如果室内安装区域可能出现冰冻温度,则水管线必须加装保温层保护。
  Piping, fittings, and valves should be installed according to the installation drawing (Figure 6). If the indoor installation area is subject to freezing temperatures, the water piping must be protected by insulation.

  供水压力不能超过热水器工作压力的80%. 热水器的工作压力标注在热水器的参数板上。如果出现超压这种情况,则可能需要在冷水供应管道上安装带旁路的限压阀。为了保持相同的热水和冷水压力,这个装置应该安装在整个室内住宅的供水管道上。
  Water supply pressure should not exceed 80% of the working pressure of the water heater. The working pressure is stated on the water heater's data plate. If this occurs a pressure limiting valve with a bypass may need to be installed in the cold water supply line. This should be placed on the supply to the entire house in order to maintain equal hot and cold water pressures.

  重要提示:不要在热水器的水连接件上加热,因为它们可能包含非金属部件。如果需要采用焊接连接方法,要先将管道焊接在连接器上,然后再将连接器连接在热水和冷水接头上。
  Important: Heat cannot be applied to be water fittings on the heater as they may contain nonmetallic parts. If solder connections are used, solder the pipe to the adapter before attaching the adapter to the hot and cold water fittings.

  重要提示:务必使用高等级的连接部件,确保所有连接件连接紧固。
  Important: Always use a good grade of joint compound and be certain that all fittings are drawn up tight.

  1. 按照图6所示安装水管线和连接件。将冷水供水管道(3/4 NPT英寸)连接到标注“C”的接头上。将热水管道(3/4 NPT英寸)连接到标注“H”的接头上。
    Install the water piping and fittings as shown in Figure 6. Connect the cold water supply (3/4 NPT) to the fitting marked “C”. Connect the hot water supply (3/4 NPT) to the fitting marked “H”.

  重要提示:有些型号的热水器可能包含节能的热疏水器,以防止热水在管道内环流。不要拆卸这些内置件。
  Important: Some models may contain energy saving heat traps to prevent the circulation of hot water within the pipes. Do not remove these inserts.

  1. 建议在热水‘和冷水管线上安装管接头,以方便热水器的维修或更换。
    The installation of unions in both the hot and cold water supply lines is recommended for ease of removing the water heater for service or replacement.
  2. 本热水器制造商建议在家庭热水管线上如图7和8所示安装调节阀。这种阀门通过将冷水与热水的混合降低使用点的热水温度,并随时提供所需热水。有关资料请咨询有执照的管道工或当地管道主管部门。
    The manufacturer of this water heater recommends installing a tempering valve in the domestic hot water line as shown in Figures 7 and 8. These valves reduce the point-of-use temperature of the hot water by mixing cold and hot water and are readily available. Contact a licensed plumber or the local plumbing authority.
 

 

 

  1. 如果是在一个封闭的水系统中安装热水器,按照“关闭系统/热膨胀”中的规定,安装一个安全阀或膨胀罐。
    If installing the water heater in a closed water system, install a relief valve or expansion tank in the cold water line as specified under "Closed System/Thermal Expansion".
  2. 在冷水进水管处安装一个关闭阀。这个关闭阀应该位于靠近热水器的地方,并且容易靠近操作。了解这种阀门的位置和如何关闭流向热水器的水源。
    Install a shut-off valve in the cold water inlet line. It should be located close to the water heater and be easily accessible. Know the location of this valve and how to shut off the water to the heater.
  3. 在标注“T&P RELIEF VALVE”的地方安装降温减压安全阀。按照“降温减压安全阀”的有关规定进行安装。
    Install a temperature and pressure relief valve and discharge line in the opening marked "T & P RELIEF VALVE". Install as specified under "Temperature and Pressure Relief Valve.”
  4. 管线正确连接到热水器后,打开最近的热水水龙头,让水完全注满热水器内胆。为了清除管道内任何多余的空气和沉淀物,在出现稳定的水流后,热水水龙头要保持打开至少3分钟。随后关闭水龙头,检查所有连接是否有泄漏。
    After piping has been properly connected to the water heater, open the nearest hot water faucet and allow the tank to completely fill with water. To purge the lines of any excess air and sediment, keep the hot water faucet open for 3 minutes after a constant flow of water is obtained. Close the faucet and check all connections for leaks.
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