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Direct Freecool® Evaporative Free Air Cooling
Award-winning technology that offers significant energy savings when compared to traditional cooling systems.
Workspace Technology has developed its extensive expertise in data centre
fresh air based evaporative cooler systems over the past four years. This expertise has positioned Freecool® by Workspace Technology is the evaporative cooler solution of choice by many data centre operators. Freecool® offers data centre managers a range of innovations to help improve performance.
Dual Filtration - Freecool® Evaporative Cooler installations are designed as standard with a combination of G3 and G4 air intake filtration systems designed to eliminate data centre contamination.
Atemperation™ - Intelligent Atemperation™ is a system designed by Workspace Technology that blends hot exit air with cold intake air to produce controllable equipment inlet temperatures irrespective of external ambient conditions. Atemperation™ is delivered through a combination of variable speed fans and volume control air dampers positioned within a ‘mixing box’ and controlled intelligent PLC systems.
Dynamic Mode Temperature Control - Conventional cooling systems typically require higher equipment intake temperatures to improve the performance of the free cool mode. Workspace Technology’s 'Dynamic' mode of operation allows cold aisle /equipment inlet temperatures of 18°C for extended operating periods without compromising energy efficiency. Lower equipment inlet air temperature help reduce power demands of server fans whilst also improving overall equipment reliability*. When external ambient conditions rise above 18°C the Freecool® Evaporative Cooler Dynamic Mode of operation simply allows the equipment inlet temperature to gradually rise falling back again as the external ambient decreases.
*Results will depend on equipment age and type of fan.
In Dynamic Mode the Freecool® Evaporative Cooler control system can also be programmed to ramp up/down temperature (inline with the rate of change parameters defined by ASHREA) to ensure humidity levels are maintained within class A1 data centre operating mode (10% to 80% RH).
Reduced Fan Power - Power consumed by the Freecool® Evaporative Cooler system is primarily related to fan power. Workspace Technology’s engineers only select energy efficiency EC evaporative cooling fans because they use significantly less energy than conventional fan technology. EC stands for Electronically Commutated and is the term used when the fan is fitted with a Permanent Magnet Motor (PMM).
EC evaporative cooling fan technology allows continuous adjustment of fan speeds as required to support data centre cooling demands. The speed of each fan within the Freecool® Evaporative Cooler system is individually modulated via the Freecool® Crouzet controller system. Typically, evaporative cooling fan selections are oversized to support N+1 system resilience and to allow reduced speeds during normal operating conditions. Because motor power associated with EC fans varies with the cube of the motor speed any reduction in fan speed will result in energy reductions. As an example, a 20% decrease in fan speed results in a 49% energy reduction.
Benefits of EC Evaporative Cooling Fans over Traditional Fan Technology:
- Reduced Energy Consumption
- Improved Noise Reduction
- Intelligent Electronic Control
Click here to view our Freecool® Evaporative Cooler brochure.
For more information on our full range of data centre Freecool Evaporative Cooler products and services please contact our Sales Team on 0121 354 4894 or send us a message.