First Thursday Seminar Presentation - The Whole Building Design ...

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FEMP First Thursday Seminars ITE Environment – New Data Center Classes OPTIONAL READING / SKIPPED DURING PRESENTATION Previously there were four data center classes (Class 1 through 4). Two of the four classes applied to ITE used in data center applications (Class 1 & 2). The new environmental guidelines have more data center classes to accommodate different applications and priorities of ITE operation. This is critical because a single data center class forces a single optimization whereas each data center needs to be optimized based on the operator’s own criteria (e.g. fulltime economizer use vs. maximum reliability). The naming conventions have now been updated to better delineate the types of IT equipment. The old and new classes are now specified differently with the previous Classes 1, 2, 3 and 4 directly mapped to A1, A2, B and C. Two new data center classes have been introduced: A3 and A4. 18 | FEMP First Thursday Seminars femp.energy.gov/training
FEMP First Thursday Seminars ITE Environment – ASHRAE Psychrometric Chart – 2011 New Classes A1 and A2 are EXACTLY the SAME as previous Classes 1 & 2 Classes A1 and A2 apply to new and legacy equipment New Classes A3 and A4 do NOT include legacy equipment 19 | FEMP First Thursday Seminars femp.energy.gov/training
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