British design and manufacture recognised in DCS Awards

To achieve this, British manufacturer Airedale International, went back to the drawing board. The end result is a PAC system that delivers up to 30% more cooling kW/m2 when compared with competitor units, creating more space in the data centre for IT equipment. Core to the design brief was to make the most efficient use of internal space by removing redundant mechanical cooling (DX) components which were not needed in a dedicated CW unit. Also key was to offer a choice of models to suit both small computer room and large-scale data centre applications.

The SmartCool™ CW, which scooped up this year’s DCS award for ‘Datacentre Energy Efficiency Product of the Year’, claims an Energy Efficiency Ratio (EER) of up to 52.4, 13% higher than leading competitor units. Predominantly this is achieved by:

£ SmartCool™ SN/SR units use an
innovative V-frame heat exchanger
arrangement (patent pending), positioned
across the width rather than the depth
of the unit. This configuration provides a
high coil face area on which the filters are placed, improving airflow through the unit
and significantly reducing air-side
pressure drop. Allowing more airflow to
pass through the coil increases the
total heat rejection and fan efficiency at
both full and part-load and results in better
performance and control particularly at
part-load

£ Fans integral to the case: Ideal for
individual computer rooms as well as
large data centres, the SmartCool™ SN/
SR delivers a high density cooling solution
for environments where space or logistical
constraints make it difficult to install fans
within the floor void

£ Fans in floor void: Where space and
logistics permit, the SmartCool™ SD
allows fans to be located below floor
level. This design offers premium
efficiency, enhances the air path,
increases airflow and reduces noise.
Each fan module can be configured to
customer floor void requirements
(minimum depth 600mm)

£ Slab coil arrangement: The location of
fans in the floor void on the SmartCool™
SD allows for a larger slab coil
arrangement which provides a 15%
increase in surface area for improved
airflow. Efficiency is further increased by
locating the filters on the face of the coils,
increasing the surface area and reducing
air-side pressure drop when lowering fan
power. The SmartCool™ SD also features
both high and low flow coil options to suit
different applications

£ Cutting-edge EC fan technology:
SmartCool™ SN and SR units feature
fans within the case and offer a kW/m2
ratio greater than any PAC unit of its
size and type within the marketplace.
The backward-curved centrifugal EC fans
are up to 50% more efficient than their
AC equivalents, and use variable speed
control matched to load to eliminate
unnecessary energy usage which can be
further improved by integrating Airedale’s
advanced controls logic. The fans allow
units to be configured to customer
needs according to whether they require
high airflow/high capacity or low airflow/
high efficiency. This makes units extremely
competitive when considering both cooling
capacity per footprint and efficiency

To maximise energy-saving opportunities still further, integrating the SmartCool™ with an Airedale free-cooling chiller can deliver free-cooling for up to 95% of the year (based on a 24/7 data centre with a typical room temperature of 24°C).

The SmartCool™ CW also provides numerous installation and maintenance benefits.

In addition to DCS ‘Datacentre Energy Efficiency Product of the Year’, the SmartCool™ CW also picked up this year’s H&V News award for ‘Commercial Building Services Product of the Year’.