APC InRow Specifications download pdf (Page 9)

990-4618C-001 InRow Chilled Water Air Conditioners Technical Specifications 3

Scalable Solutions for Critical Environments

Advantages of row-based cooling

InRow cooling products improve energy efficiency and cooling ability in a number of ways. First, the InRow

CW air conditioner draws air directly from the hot aisle, allowing the InRow unit to take advantage of higher

heat transfer efficiency due to higher temperature differences. It can then discharge room-temperature air

directly in front of the servers it is cooling. This increases energy efficiency by allowing the chiller to operate

at higher leaving water temperatures.

Placing the cooling unit in the row enables the unit to operate at higher

return and supply air temperatures yielding 100% sensible capacity, which significantly reduces the need for

humidification.

Scalable for High Density

The predictable performance of the row-based architecture makes it well-suited for high density applications.

The focus on heat removal instead of cold air delivery is the key to making this approach scalable. The design

of the InRow CW air conditioner allows it to be easily added in the row as the demand for cooling increases.

The additional benefit of the row-based architecture is the ability to add hot air containment. Containing the hot

air further reduces any chance of hot and cold air streams mixing. This provides ultimate predictability and

allows the cooling capacity to be matched to the IT heat load.

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APC InRow Specifications Page 9