Critical Space Cooling
Critical space cooling, sometimes referred to as close control air conditioning, can be categorised as cooling for equipment rooms, as opposed to human comfort.
Traditionally “born” in the 1960s for the large mainframe data centres, it was called close control air conditioning because computer equipment then required a very precise control of both temperature and relative humidity to ensure the operating efficiency of the processor.
Current computer equipment is much less sensitive to swings in temperature and relative humidity. The demand, however, for “close control” equipment has continued, with applications now including server rooms, clean rooms, laboratories, telecomms stations.
Advantages of using close control units instead of comfort cooling include:
- they can use the raised floor as a supply air plenum
- they have a higher proportion of sensible cooling – i.e. they waste less energy in unnecessary dehumidifying
- they can incorporate humidity control
- they can incorporate higher grades of filtration
- they have a larger fan pressure capability .
Further information
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