{"id":955,"date":"2021-12-12T00:00:00","date_gmt":"2021-12-11T16:00:00","guid":{"rendered":"http:\/\/www.osaces.com\/?p=955"},"modified":"2021-12-12T00:00:00","modified_gmt":"2021-12-11T16:00:00","slug":"xunhuanshuibengyinggaizhuangzaizhujidenayicenijiaanzhuangduilema","status":"publish","type":"post","link":"http:\/\/www.osaces.com\/en\/xunhuanshuibengyinggaizhuangzaizhujidenayicenijiaanzhuangduilema\/","title":{"rendered":"Which side of the mainframe should the circulating water pump be installed on? Is your home installed correctly?"},"content":{"rendered":"

In a system, should the circulating water pump be installed at the inlet end of the mainframe? Or the outlet side? (Mainframe here includes heat exchanger, air conditioner mainframe, boiler, etc...)<\/span><\/p>\n

First a picture:<\/span><\/p>\n

<\/p>\n

Theoretically: as a system of circulating water pumps can be placed in any position ... but the system is different, the arrangement will be different, mainly need to consider the following situations:<\/span><\/strong><\/span><\/p>\n

1, the pump inlet and outlet water pressure and the pressure tolerance of the host .
<\/span><\/p>\n

2, the system is closed or open system, central air-conditioning chilled water system is generally closed water system, cooling water system for open water system.
<\/span><\/p>\n


<\/p>\n


<\/span><\/p>\n

3, all set the pump in the host of the water inlet end is mainly.<\/span><\/p>\n

3.1, this way the water temperature from the host is better controlled, the pump will run some temperature rise...
<\/span><\/p>\n

3.2, the relatively high pressure at the outlet end is conducive to improving the heat transfer efficiency of the host...
<\/span><\/p>\n

3.3, the installation of waterway components are more centralized, easy to maintain and repair...
<\/span><\/p>\n


<\/span><\/p>\n

4, are the pump set in the host of the outlet end is mainly to consider the equipment to withstand the pressure:.
<\/span><\/p>\n

If the general standard equipment pressure capacity of only 1.6Mpa (16kg, 160m water column), (public number: pump housekeeper), more than this pressure, the cost of equipment increases dramatically.<\/span><\/p>\n

As the pump runs: the pressure at the outlet end is greater than the pressure at the inlet end of the pump itself, such as in buildings over 100 meters, you can consider placing the host at the inlet end of the pump to minimize the pressure that the equipment has to withstand ... because you have to customize the equipment above 16 kg is very expensive ...<\/span><\/p>\n

Of course any taller building would have to consider sectional design...<\/span><\/p>\n


<\/span><\/p>\n

5, central air-conditioning chilled water system, the pump is installed in the water inlet or outlet pipe, the main consideration of refrigeration host pressure, if the building itself is higher, the static pressure of the water system itself is larger, then the pump will be connected to the outlet pipe is also pumped from the host in order to reduce the pressure of the host; on the contrary, it is installed on the inlet pipe.<\/span><\/p>\n

In principle, the pump is installed in the inlet pipe (that is, the water into the host) to minimize the pump suction side of the resistance loss to avoid cavitation, just because some of the system itself is a higher static pressure has been installed on the practice of the outlet pipe.<\/span><\/p>\n

<\/p>","protected":false},"excerpt":{"rendered":"

In a system, should the circulating water pump be installed at the inlet end of the mainframe? Or the outlet side? (The mainframe here includes heat exchangers, air conditioning units, boilers, etc...) 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