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Free Cooling Chillers

Range of chillers with scroll or screw compressors and options of free cooling module/s with or without glycol, utilising the ambient temperature in the cooling process that increases efficiency and reduces waste of energy

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Kappa Sky FC

High efficiency, single and double circuit free cooling chillers featuring screw compressors with variable compression ratio and an inverter for capacity modulation

260 to 880 kW


Xi: high efficiency, unit with full inverter compressors

Si: compact dimensions, unit with full inverter compressors

LGW Xi: low GWP refrigerant, unit with full inverter compressors

/LN: low noise version

/DS: featuring a desuperheater

/DC: with total recovery

/NG: no glycol option

Configurable free cooling section


Key advantages

  • free cooling BASIC, free cooling EXTRA

  • application flexibility: water temperature up to 23°C. Operating in a wide range of external ambient conditions

  • high efficiency and compact dimensions

  • extended operating limits: down to -40°C with proper accessories

  • dual power supply with automatic switching (option)

  • BlueThink advanced control with integrated web server. Multilogic function and Blueye® supervision system (options)

  • flowzer: energy optimization on water side (options) 

  • conforming with Ecodesign Reg. 2281 tier 2

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