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Data Center World 2020: A Virtual Experience

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Agenda at a Glance

Clarifying ASHRAE's Recommended vs. Allowable Temperature Envelopes and How to Raise Cooling Set Points Without Raising Inlet Temperatures

Lars Strong  (Senior Engineer, Upsite Technologies)

Location: Vault

Date: Monday, August 24

Time: 3:30pm - 4:30pm

Pass Type : All Access, Standard

Track : Mission Critical Facilities & Energy Management

Session Type: Vault

Vault Recording: TBD

The topic of raising temperatures in data centers used to be met with much criticism in the industry, but in recent years has become more accepted. A big driver for this acceptance has been ASHRAE’s expanded envelope for recommended and allowable server inlet temperatures. However, while this has eased the discussion, there are still some questions that have been left unanswered. What’s the difference between recommended and allowable? Which one is best to use? What steps must be taken to safely raise set points? How do you ensure servers are still adequately cooled? What if you have different server types (A1, A2, A3, A4)? This presentation will examine these questions to give a clearer understanding of ASHRAE’s recommended and allowable guidelines. Also covered will be an explanation on how, in some cases, it is possible to raise cooling control set points without raising server inlet temperatures.