Turbocor® - TT

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Danfoss Turbocor® TT series: Oil free compressors using HFC134a refrigerant

Highly energy efficient and environmentally friendly compressor

Danfoss Turbocor® oil-free centrifugal compressors are specifically designed for the HVAC industry, utilizing magnetic bearings, two stage centrifugal compression, variable speed permanent magnet motor and intelligent electronic controls resulting in the highest efficiencies in the industry in a light weight and compact footprint with low sound levels.

The Danfoss Turbocor® TT Series of centrifugal compressors delivers nominal capacities of 60 – 200 tons / 200 – 700 kW using environmentally friendly refrigerant HFC134a, with no Ozone Depletion Potential and no phase-out date per the Montreal Protocol. In addition, low GWP, non-flammable (A1 safety rating) R513A refrigerant is available as an option.

Danfoss Turbocor compressor fact sheet compressor

Turbocor® fact sheet

Danfoss Turbocor® portfolio of oil free centrifugal compressors, models TT, TG and VTT, deliver innovative technology that reduces operating costs and maintenance for your air conditioning applications.

The TT Series is available in four compressor models:

 TT300  TT350  TT400  TT700
  • Air and water-cooled, low lift capability

  • 60-90T / 211-316 kW capacity

  • Low, medium and standard temp applications 

  • 380, 400V, 460V, and 575V voltage

  • Air and water-cooled, low lift capability

  • 70-120T / 246-421 kW capacity 

  • Low and standard temp applications 

  • 380, 400V and 460V voltage

  • Water-cooled, low lift capability

  • 90-150T / 316-526 kW capacity

  • Low and standard temp applications 

  • 380, 400V, 460V, and 575V voltage

  • Water-cooled, low lift capability 

  • 130-200T / 456-702 kW capacity

  • Low and standard temp applications  

  • 380, 400V and 460V voltage

Features and benefits

From 60 to 200 TR - 200 to 700 kW with R134a and R513A

Outstanding energy efficiency at part load

Compact, lightweight and simple system design reduce installation and maintenance costs

Soft Start reduces in-rush current at startup

Exceptionally quiet operation - 70 dB(A)

ETL Listed and CE Compliant

Danfoss TurboTool promo and app icon


Compressor service for Danfoss Turbocor® compressors is easier than ever with the Danfoss TurboTool® App. You can troubleshoot potential issues right from your mobile phone by entering the symptoms into the app and instantly receive a list of recommendations for how to resolve the problem.


Type Name Language Valid for Updated Download File type
Brochure Danfoss Solutions for Chillers English Multiple 14 Apr, 2020 3.9 MB .pdf
Brochure Danfoss Turbocor Compressor Specification Sheet English Multiple 18 Feb, 2021 4.9 MB .pdf

Related products

Case studies

  • if (isSmallPicture) { TT- Turbocor Danfoss } else if (isBigColumns) { TT- Turbocor Danfoss } else { TT- Turbocor Danfoss }
    Oil-free compressors maintain consistent performance over time

    Danfoss conducted a study to see how long term operation affected performance on Danfoss Turbocor® compressors. The results showed that oil-free, magnetic bearing compressors maintained consistent performance even after 10+ years of operation.

  • if (isSmallPicture) { Danfoss Turbocor® TG } else if (isBigColumns) { Danfoss Turbocor® TG } else { Danfoss Turbocor® TG }
    Oil-free centrifugal compressors: from R134a to R1234ze

    The Danfoss Turbocor® TG310 compressor is the first 60-90TR compressor introduced with R1234ze refrigerant, a refrigerant with an extremely low global warming potential.