4  FM quick reads on data center

1. Portable Cooling Units One Option In Data Center HVAC Control


I'm Justin Smith, managing editor of web development for Building Operating Management magazine. Today's tip: portable cooling units in data centers. As technology advances and hardware becomes more powerful, the issue of cooling data centers continues to heat up. There's a simple logic to the situation: as facilities add more equipment, the greater the cooling needs will be. One solution is to add a portable cooling unit to your facility. These units can be permanent or temporary and generally are used where known hot spots exist in rooms where large, capital-intensive cooling solutions are not possible. Portable units can supplement existing HVAC systems and installations can be scheduled when maintenance tasks require the shutdown of the main system. In general, the units can be air- or water-cooled, capacities can range from 0.5 to 5 tons and they can be wheeled or ceiling-mounted. Costs can range from $600 to more than $12,000 per unit. So, whether for a temporary fix or a permanent addition, portable units in data centers are a cool idea.


2.  Temperature Control Efficiency Can Maximize Return

I'm Justin Smith, managing editor of web development for Building Operating Management magazine. Today's tip: more efficient airflow management in data centers. Better air management has the potential to improve temperature control for more reliable server cooling. Follow these guidelines when analyzing server temperatures:

• Use a simple, reliable thermometer, not laser guns. They measure surface temperatures and not the air's "ambient" temperature

• Take the server air inlet temperature with a thermometer as close as possible to the server grill inlet without touching any surfaces. Conversely, server outlet temperatures should be taken as close as possible to the server without touching any surfaces

• Inlet and outlet temperatures should be taken at the same level for the same server

• Readings should be taken from servers in a mix of locations, including the beginning, middle and end of the aisle and bottom, middle and top of cabinets

• Readings should be taken from several aisles, not just one or two; and

• Measurements should be taken from several hot spots


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data center , cooling , portable , HVAC

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