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Data center power, cooling, water and fire: power distribution, cooling, environment monitoring, fire safety and operations

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All directionsPower distribution 86HVAC and cooling 99Environment monitoring 7Fire and safety 8Facilities and infrastructure 47Operations 14

Basics

  • HVAC and coolingUnited States

    机房温湿度：ASHRAE TC9.9 推荐区间与允许区间

    • 推荐区间（A1–A4 类设备）：进风干球温度 18–27℃，露点不高于 15℃、相对湿度不高于 60%。
    • 允许区间按设备等级放宽：A1 为 15–32℃、相对湿度上限 80%，A4 可到 5–45℃。
    • 推荐区间是建议而非强制，适当提高送风温度、延长自然冷却时间是降低 PUE 的常用做法。
    SourcesASHRAE 第 5 版参考卡（PDF）ashrae.orgUpsite 解读upsite.com

Technical articles

All typesTechnical analysis 71Incident reviews 8Field experience 31Standards 5Equipment and technology 77Trend research 69
All countriesUnited States 149China 85Germany 4United Kingdom 3France 2Italy 2Canada 2Singapore 2Japan 2India 1Norway 1Netherlands 1South Korea 1罗马尼亚 1
  • 2026-10-14暖通与制冷Equipment and technologyFrance

    阿科玛推出R134a低GWP替代制冷剂Forane 516A

    • Forane 516A（R516A）属A2L类弱可燃制冷剂，其GWP仅为131且具有零温度滑移特性。
    • 该制冷剂成分为77.5% R1234yf、14% R152a以及8.5% R134a的共沸/近共沸混合物。
    • 产品专为新装系统设计，可提升能效，适用于冷水机组、数据中心设施冷却和高温热泵等系统。
    SourcesCooling Postcoolingpost.com

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