The Design and Organization of Data Centers/Air Conditioning

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Contents 1 Sizing 2 Redundancy issues 2.1 Emergency Fan ventilation 2.2 Multiple air conditioners 3 Humidity Control

[edit] Sizing

Air conditioners are rated by tonnage. One ton equals 12,000 BTU per hour.

Equipment heat output is rated in BTUs.

Conversion rates and guides can be found in the appendix.

Use this to size the cooling load!

• Free online HVAC heat load calculator

Northern Air Conditioning Orange County NY

[edit] Redundancy issues

Your air conditioner will fail. It is only a matter of when and whether you have one to back it up.

[edit] Emergency Fan ventilation

Can you ventilate into the building or the outside? What is the outside summer temperature?

[edit] Multiple air conditioners

Spare

Over-sized

Mov-n-cools

Alarm fail over

Thermostatic fail over

Differential temperature settings

Layout your air conditioners to minimize temperature variation across the room.

[edit] Humidity Control

Found in larger systems

Eliminates static problems

Requires addition of plumbing