Environmentally energy efficient adiabatic cooling
Our cooling solutions are designed to maximise energy efficiency using cost effective, state-of-the-art cooling technology. FRN’s energy efficient credentials as a green data centre are additionally supported by ISO 50001 accreditation and by the use of electricity generated only from renewable sources, and therefore exempt from the Climate Change Levy.
Free Cooling design using a Flooded Airflow approach
Traditional approaches focus on chilled water CRAC units to distribute the supply air under a raised access floor and employing cold aisle containment. Whilst this is the prevalent legacy approach in the data centre market for low power densities, it is limited in energy efficiency and does not work as well at high power densities. A better solution is the Free Cooling design that we employ. It uses a Flooded Airflow approach to deliver energy efficient and cost effective datacentres, significantly reducing running costs and carbon footprint both for ourselves and our Clients.
- Industry leading PUE achievable even at partial load
- Up to 30kw per rack power density at any rack with no hotspots
- Intelligent air volume flow management
- Air battery in the event of generator start or cooling failure
- No water or maintenance within IT space
The flooded air supply together with separate ceiling return air path combines a number of optimisations to enable extremely energy efficient, predictable cooling for high and low densities, whilst removing the cooling plant and associated water service risks completely from the IT space.
The cooling system is designed to indirectly use ambient air to provide free cooling. Complete separation of the supply and return air paths is achieved by isolating the hot and cold aisles. Supply air is provided for the entire height of the room, removing the higher power required to pressurise a raised floor, whilst return air is ducted directly back to the cooling units via a ceiling plenum, removing the risk of any hotspots and ensuring a large cold air battery in the event of system failure or generator start.
- Datacentre Temperature Range 24 +/-2°C Resilience N+2
- Temperature and humidity extendable to allow ASHRAE range
- Datacentre Humidity Range 40-60% Relative Humidity
This pie chart provides a representation of the annualised energy use for our cooling design at full capacity, demonstrating PUE of 1.25 at full load. Even at partial loads however a PUE of 1.4 is achievable.
The result is complete alignment of our energy efficiency goals with those of our clients a reduced carbon footprint and reduced cost.
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