洗澡、洗碗或者做家务时,水太凉会让人觉得不舒服。如果水温一直很凉,你可能得把热水器的温度调高一点。要调节燃气热水器或者电热水器的水温,你不仅要小心谨慎,还得弄清楚每个部件的作用,有时候可能还得简单地维修一下。但是只要做好了防范措施,你就能快速调整水温。
步骤
方法 1 的 3:
调节燃气热水器的水温
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1
调节燃气热水器的水温时,要熄灭所有的明火。天然气是一种易燃气体,你在调节温度时虽然不会直接接触天然气,但是安全第一,总比将来后悔要好。调节水温时,不要在家里点蜡烛、吸烟或留有其他明火。[1]
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2
找到热水器前面的刻度盘。燃气调节阀通常是黑色或红色的旋钮,两侧有温水和热水两个档位,有些热水器在旋钮的侧面还可能标有具体的温度刻度。[2]
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3
把刻度盘从温水档往热水档拧。不要一下子拧太多,否则水可能会变得太烫,所以只能稍微拧一点。如果水温还是不够高,之后可以再多拧一点。[3]
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4
至少等三个小时再检查水温,因为热水器加热得要一段时间。如果水温还是很低或者摸起来很凉,可以再拧一下燃气调节阀。[4]
方法 2 的 3:
调高电热水器的水温
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1
关掉热水器的断路器。在配电箱中找到家里的线路开关。由于大多数热水器都是220V电压,所以你得关掉两个断路器。详情可以参考面板内部的位置图,如果没有标明,那就全部关掉以确保安全。[5]
- 先关断路器,才能调节电热水器的水温。为了防止触电,如果你不确定该如何关断路器,联系电工。
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2
卸下热水器的检修门。检修门在热水器的正面,看起来就像一个长方形的箱子。有的热水器可能有两个检修门,所以要全部撬开才能接触到内部控制系统。[6]
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3
取下绝缘材料,找到温度调节器。在温度调节器和检修门之间,有一层薄薄的绝缘衬垫,取下绝缘衬垫就能更清楚地看到温度调节器,然后根据需求调高温度。[7]
- 妥善保管绝缘衬垫,之后还要装回热水器,才能让恒温器保持准确的温度。
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4
调高温度调节器的温度。大多数温度调节器都是通过中间的螺丝来调节温度。你可以用平头螺丝刀调高几个刻度,但不要超过49℃,以免烫伤。[8]
- 温度调节器的范围为32-66℃,但是推荐的最高温度是49℃。
- 即使有两个检修门,也只有一个温度调节器。检修门的数量与热水器的设计有关,打开两个检修门也只会找到一个温度调节器。
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5
关闭检修门,等待测量水温。把绝缘衬垫装回到热水器,然后关好检修门。准备好检查水温时,打开电源。等待至少3小时再测量水温,如果温度读数还是很低,那就再次调节温度。[9]
方法 3 的 3:
检查水温
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1
放热水,3-5分钟。选一个离热水器最近的水槽,放水至少3分钟。最开始的几分钟放出的是水管中的存水,之后再测量水温,这样才能得到准确的读数。[10]
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2
用糖果温度计或烹饪温度计来测量水温。用碗或杯子接上热水,然后马上测量温度。温度计在水中至少要停留20-30秒,才能得出准确的读数。[11]
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3
记录水温。尽管是为了解决水太凉的问题,但是水温也不能调得太高。如果水温超过49℃,就会有烫伤的危险,参考以下数字,了解温度与导致烫伤的时间之间的关系:[12]
- 49℃:超过5分钟
- 52-54℃:60-120秒
- 54-60℃:5-30秒
- 60-66℃:1-5秒
- 66-71℃:1-1.5秒
- 71℃:立刻
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4
如有需要,大约3小时后再检查一次。如果读数过高或过低,那就重新调节热水器,并在3小时后再次测量水温。热水器需要时间才能达到合适的温度。[13]
小提示
- 如果你调了好几次水还是很凉,那可能是热水器坏了,你得让水暖工来修理。
警告
- 调节热水器的水温时,一定要小心。不要触碰或移动任何裸线。如果你觉得自己搞不定,那就交给水暖工来处理。
- 如果热水器受潮或者泡水了,千万不要触碰它。让水暖工来评估危险与损坏程度。
你需要准备