CASE STUDIES
Airedale delivers largest ever 36 fan air cooled chillers
Airedale by Modine has completed delivery of its largest ever bespoke free cooling chillers, each measuring a signifi cant 22 metres long (73 feet), and housing 36 fans.
T Adam Yarrington
he vast order, for an undisclosed data centre operator, is believed to be one of the largest single, colocation orders taken by Airedale in its 50 year
history. It consists of 21 of the super-sized chillers, two free cooling DeltaChillchillers (16 fan), 72 AireWall units, 12 SmartCool ONEchilled water downfl ow units and, crucial for achieving the ultimate in system effi ciencies, the Cooling System Optimiser and an on-site building management system (BMS), off ering an over-arching, automated optimisation control package. The data centre company has partnered with Airedale as part of its drive to meet its stringent sustainability objectives as they seek to employ the highest effi ciency technologies on their 30MW campus. Working closely with the client, Airedale’s data centre solutions engineering team has designed a larger derivative of their DeltaChill R32 free- cooling chiller, to deliver maximum effi ciency to meet on- site cooling demands. Alongside the 36 high effi ciency EC fans are 17 scroll
compressors, selected due to their ability to deliver concurrent free cooling, maximising partial and full free cooling availability. The 16 fan variants off er all the same effi ciencies. Acoustic packages have been applied to all
chillers to ensure stringent noise constraints are met on site. The units all feature integral harmonic fi ltration, to increase quality, reliability and energy effi ciency, by reducing loss in electrical components and deliver indirect energy savings. On such a large scale, these mitigations deliver tangible savings over the course of a year. One of the key diff erentiators for Airedale is its ability to deliver a complete cooling solution, comprising not only high effi ciency, free cooling chillers, but also the computer room air handlers (CRAHs), controls packages and on-site project management and installation teams. This ‘One Airedale’ approach allows for the units to work as a system, increasing the opportunities for marginal gains and system effi ciencies.
The cooling system optimiser and on site BMS works to deliver a fully automated system at both product and system level, delivering optimal performance in response to conditions at a detail and speed beyond that which a human operator could respond to. Likewise, the control system’s ability to recognise patterns and identify potential issues before they occur adds an extra layer of redundancy to an already robust operation. Airedale has a dedicated on-site management resource team that co-ordinate the project from start to fi nish, considering the timing, installation and commissioning of the product. Beyond product installation, Airedale’s UK-wide team of 65 service and maintenance engineers is available 24/7, meaning clients can rest assured that should a system issue occur, expert engineering assistance is available. Adam Yarrington, business unit director for data
centres at Airedale said: “Delivering effi ciencies that meet sustainability objectives and help us reduce the impact of mechanical cooling on our planet, is something we care deeply about at Airedale and is something we have continually strived to do, since before legislations around this were introduced.” Yarrington continued: “Working on a project of this
complexity is really exciting for Airedale, as it allows us to demonstrate the scale of our capabilities, deliver meaningful effi ciencies and push our technology to deliver more, which is absolutely achievable when taking a whole system approach.” Yarrington concluded: “We cannot disclose more detail about this detail due to the sensitive nature of the work our client delivers, but we are delighted to have been able to partner with them on this project.”
34 March 2024 •
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