Forum discussion

NC-v4 EAc3:Advanced energy metering

IT Room Space Cooling

Reference Guide states under Data Center heading: IT energy consumption, as measured from an uninterruptible power supply (UPS) output meter, should be metered separately from non-IT equipment, such as HVAC, plug loads, and lighting. If the UPS system supports non-IT loads that amount to more than 10% of its load, such as lighting or cooling, this non-IT load should also be submetered.

Questions:

1. For a Non-Data Center building, is total building space cooling end use the sum of IT Room space cooling and Non-IT Room space cooling (remaining building spaces) or is IT Room space cooling considered a separate end use?

2. If IT Room space cooling is a separate end use, then energy model should reflect as individual end use, correct? 

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Fri, 09/04/2020 - 14:23

1. It is your choice. If it is a substantial load I would model it as a separate end use. Many office building have a data room or closet and we would typically include that with the other loads. If the IT load is greater than typical I would want to break it out. 2. yes

Thu, 09/10/2020 - 16:05

Hi Mark,    1. Yes, and usually cooling space end use is even broken down further into water side and air side. 2. Yes.

Mon, 11/09/2020 - 22:21

Afogreen Build, Is it REQUIRED for cooling space end use to be broken down further into water-side and air-side?   Thank you.

Tue, 11/10/2020 - 16:47

If the IT cooling load is greater than 10% then yes it is required.

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