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'热水循环工作原理
热水当低于设定温度时，由室内水箱温控探头监测到水温值的改变，促使循环泵开始工作，
同时热泵机组在经过延时后也开始工作，低温水通过水泵进入热泵机组循环加热后回到热水箱。如
些周而复始的工作直到整个水箱的温度达到设定值。（下图为水的流向示意图）。
以上为一台热泵机组水循环系统图。
热水交换器
热水箱
循环水泵
压缩循环系统
水箱内低于设定温度的水
经过加热的水
出水温度
冷水补水口
   
上图为热水循环的出气口，由于平时口往上，日积月累，要及时请理，必要时在热泵及循环泵停
止的情况下拆下清洁。
   
   
上图为室外循环管道，由于在室外，所以保温层的完好需及时检查。
保温层损坏后雨水进入保温棉内很久都不会干燥，这将引志制热的效果，增加能耗。
红剪头指向为水流动方向。
红色标志处为主机底座，需经常检查有无移位现象。
蓝色框内的冷凝器，又称吸热器，热泵将水转换成热水本生就是靠它来吸热的，所以我们要很好
的爱护它，2-3 个月对冷凝器进行一次除尘，吸灰，严重的用中性清洗液清洗，具体方法同空调清
洗方式一样。
热泵长期不使用的情况下，需将管道内的积水放尽，以防管道锈蚀或变质。（五星公司用的内衬
PPR 镀锌管，情况稍好）。
上图标志处为循环泵的控制开关，日常保养需每月切换一次（并做好记录），同时观察水泵的运
转情况及电流，在使用单相水泵时尤其要注意水泵有没卡住，发现有卡住现象应及时切断电源，
从水泵散热风叶处拆下罩子，盘动风叶，直至灵活为止，如轴承过紧，要及时更换。
蓝色标志处为水泵排气孔，经常检查热泵水循环系统是否正常，有无出现断水现象。当管道内有空
气时打开此堵头可以排空。
平时检查水泵各螺丝处有没松动，并用专用工具及时紧固。
蓝色标注为冷水补水电磁阀切换开关。对应下图一的二个电磁阀。
红色标志处为回水电磁阀切换开关。对应下图二中的二个电磁阀。
进，回水电磁阀需每月切换一次，并做好相应记录。
   图一
图二
以上二图为进水，回水电磁阀，电磁阀在经常的吸放状态下工作，时间久了其红色标注位置会发
生松动，每月需对其部位做一次检查，并加以紧固。
电磁阀在工作中，由于管道内的水有杂质，电磁阀在开闭过程中宜卡住，如发生上述现象，可轻
轻敲击，或吸放几次。一般都能解决问题。
http://www.520101.com
家电维修资料网－维修行业资料门户站
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    'setting' => 
    array (
      'disabled' => '0',
      'linkurl' => '',
      'getchild' => '0',
      'notedit' => '0',
      'seo' => 
      array (
      ),
      'template' => 
      array (
        'pagesize' => '20',
        'mpagesize' => '20',
        'list' => 'list.html',
        'category' => 'category.html',
        'search' => 'search.html',
        'show' => 'show.html',
      ),
      'cat_field' => NULL,
      'module_field' => NULL,
      'urlrule' => 4,
      'html' => 0,
      'chtml' => 0,
    ),
    'displayorder' => '0',
    'icon' => '',
    'index' => '2',
    'mid' => 'wenku',
    'pcatpost' => 0,
    'topid' => '5',
    'catids' => 
    array (
      0 => '16',
    ),
    'is_post' => 1,
    'tid' => 1,
    'url' => 'http://www.wenhuiw.com/wenku/dqgk',
    'total' => '请使用count标签查询',
    'field' => 
    array (
    ),
  ),
)

'/index.php?s=wenku&c=show&id=22691&page=[page]'

''

'http://www.wenhuiw.com/wenku/a22691.html'

array (
  's' => 'wenku',
  'c' => 'show',
  'id' => '22691',
  'm' => 'index',
)