NTT DATA, a global leader in digital business and technology services, has announced a waste heat recovery project at its Berlin 1 Data Centre in the Spandau district of Berlin. Read more
It is imperative that mechanically ventilated outdoor air is made available to the building.
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Total savings - not just HVAC savings - reached as much as 20 per cent.
The new system is more energy efficient and has greater snap freezing capacity plus there are lower emissions per kilogram of prawns caught at sea.
With no power on site, generators were also provided to run the chillers and air handlers.
The redevelopment project is due for completion in September 2015.
Key to better indoor air quality is the use of high volumes of outdoor air.
The first stage involved retrofitting a direct drive EC plug fan in place of the belt driven dual inlet backward curved blower on a single floor.
The project sets the bar for environmental performance at a community level.
The audit recommended replaced four piston compressors with a thermorefrigerating pump.
Each module includes two twin frame M10BW plate heat exchangers for evaporating and condensing, and a U-Turn liquid separator.
Heat wheels recycle 90 per cent of waste heat.
The cooling capacity varied between 450 and 1050 kW so there was plenty of ice.
What would a HVAC outage cost your organisation for an hour, a day, or week?
It will feature custom environmental control units with dual, redundant refrigeration circuits.
The previous system was too old and too expensive to repair.