{"id":13861,"date":"2025-05-23T13:17:11","date_gmt":"2025-05-23T05:17:11","guid":{"rendered":"https:\/\/www.lneya.com\/?p=13861"},"modified":"2025-12-03T16:39:40","modified_gmt":"2025-12-03T08:39:40","slug":"what-is-a-direct-expansion-cooling-system","status":"publish","type":"post","link":"https:\/\/tw.lneya.com\/ja\/blog\/what-is-a-direct-expansion-cooling-system.html","title":{"rendered":"\u76f4\u63a5\u81a8\u5f35\u5f0f\u51b7\u5374\u30b7\u30b9\u30c6\u30e0\u3068\u306f\uff1a\u539f\u7406\u3001\u5229\u70b9\u3068\u9650\u754c"},"content":{"rendered":"\n

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

What Is a Direct Expansion Cooling System?<\/strong><\/h1>\n\n\n\n

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

Direct Expansion Systems (DX Systems) are commonly used in industrial refrigeration equipment and HVAC. They achieve cooling by removing heat from equipment or air through the expansion and evaporation of refrigerant. This article will provide information about DX Systems.<\/p>\n\n\n\n

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

The direct expansion system is a refrigeration device that exchanges heat with air or objects by evaporating the refrigerant in the evaporator. It does not rely on a refrigerant as an intermediate medium.<\/p>\n\n\n\n

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

How Direct Expansion<\/strong> Cooling<\/strong> System<\/strong>s<\/strong> Work?<\/strong><\/h2>\n\n\n\n

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

The direct expansion system is a direct refrigeration system<\/a>, which is very different from the indirect refrigeration water-cooled chiller.<\/p>\n\n\n\n

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

In a water-cooled chiller, a refrigerant is needed as an intermediate medium to remove heat. This means that you need to remove the heat from the refrigerant before the refrigerant can remove the heat from the object that needs to be cooled.<\/p>\n\n\n\n

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

A direct expansion system does not require a refrigerant. Its evaporator coil is inside the object that needs to be cooled, and directly cools the object by evaporating the refrigerant. Its main components and working process are as follows:<\/p>\n\n\n\n

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