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BlueBox Kappa Sky

Air-cooled chiller, screw compressors with variable compression ratio and inverter control capacity modulation, R513A, R134a, 260-1360 kW

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

Xi: high efficiency, version with full inverter compressors
Xh: high efficiency, version with hybrid compressors
Si: compact dimensions, version with full inverter compressors
Sh: compact dimensions, version with hybrid compressors
SLN: super low noise version
HAT: execution for high external air temperature
LN: low noise unit
DS: execution with desuperheater
DC: execution with recovery condenser


  • High efficiency and compact dimensions
  • Non-flammable refrigerant R513A, with GWP=573
  • Application flexibility: water temperature up to 23°C. Operating in a wide range of external ambient conditions
  • Reduced noise levels, low noise and super low noise versions
  • 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

Download documents

You can find more documents on our document search page. Looking for older versions, you can find them in the document archive

Comprehensive detailed product information for the best selection and integration in project design
Installation, Operating, Maintenance and Safety information
Our products and services presented in an easy-to-access manner
Declarations and certificates etc
Wiring diagrams and hydraulic schemes etc
Document Article Document type Date Download
Product sheet (pdf 692.83kB) Kappa Sky Technical catalogue 04/12/2019
Technical Catalogue (pdf 3.63MB) Kappa SKY Technical catalogue 20/01/2021
Brochure, Kappa Sky 2020 (pdf 2.03MB) Kappa Sky Brochure 21/09/2020