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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。
Technical articles
All typesTechnical analysis 72Incident reviews 8Field experience 31Standards 5Equipment and technology 80Trend research 69
All countriesUnited States 151China 86Germany 4United Kingdom 3France 2Italy 2Canada 2Singapore 2Japan 2Denmark 1India 1Norway 1Netherlands 1South Korea 1罗马尼亚 1
- 2023-11-09暖通与制冷Incident reviewsSingapore
新加坡两银行数据中心冷冻水系统故障致业务中断近14小时
- 数据中心因冷冻水系统发生故障，导致机房内温度急剧升高影响服务器运行，故障从下午持续至次日凌晨近14个小时。
- 两家银行启动灾备计划向备用数据中心切换，但因技术问题均未能成功恢复系统运行，暴露出灾备切换演练与可用性问题。
Sources中国IDC圈·安全监控dc.idcquan.com
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