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OptiChill Free-cool: Airedale’s new R134A free-cooling chiller 750kW – 1300kW launched

OptiChill Free-cool: Airedale’s new R134A free-cooling chiller 750kW – 1300kW launched

British air conditioning manufacturer Airedale International Air Conditioning has launched a new super efficient, low energy R134a air cooled screw chiller which has the potential to offer more than 95% free cooling over a year (cumulative hours London, UK).

The free-cooling potential of the unit provides a free-cooling EER of up to 75* and can also save more than 50% of the energy consumed by a conventional chiller; driving down operational costs. During any mechanical cooling, excellent part load efficiencies ensure an ESEER (European Seasonal Energy Efficiency Ratio) of up to 3.44.

Airedale’s OptiChill free-cooling chiller has an extremely large capacity and meets diverse cooling loads with a flexible, low sound solution.

*Free-cooling EER at 15ºC return water; 20% ethylene glycol; 3ºC ambient temperature

OptiChill Free-cool Chiller – Key Technical Data

  • 750kW – 2300kW
  • 4 case sizes; two free-cooling variants, three fan variants* and two sound level variants in each range, presenting a choice of over 200 model permutations
  • Low sound ranges: Quiet (R) and Extra Quiet (X)
  • Dual independent refrigeration circuits
  • Advanced ACIS controls technology
  • Latest fan technology for reduced sound and power input
  • Intelligent head pressure control
  • Two screw compressors offering 8 stages for optimum efficiency, performance and reliability
  • High efficiency shell and tube evaporator
  • Large surface area condenser coils

* Standard AC fan, optional EC (Electronically Commutated) fan or high air flow EC fan

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