Turbocor® - TTS

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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.

Turbocor - fact sheet - Danfoss

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 five compressor models:


TTS300 TTS350 TTS400 TTS450 TTS700
  • Air and water-cooled, low lift capability
  • 60-90T / 211-316 kW capacity
  • Low, medium and standard temp applications 
  • 380, 400, 460 and 575V
  • Air and water-cooled, low lift capability
  • 70-120T / 246-421 kW capacity 
  • Low and standard temp applications 
  • 380, 400, 460 and 575V
  • Water-cooled, low lift capability
  • 90-150T / 316-526 kW capacity\
  • Standard temp applications
  • 380, 400, 460 and 575V
  • Air and water- Cooled, low lift capability
  • 100-150T / 351-528 kW capacity
  • Low and standard temp applications
  • 380, 400, 460 and 575V
  • Water-cooled, low lift capability
  • 130-200T / 456-702 kW capacity
  • Standard temp applications
  • 380, 400, 460 and 575V

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

TurboTool - Danfoss


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 08 Mar, 2023 5.5 MB .pdf

Related products

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    Turbocor® - TTH / TGH

    Danfoss Turbocor® model TTH / TGH oil free compressors, optimized for high lift applications are available in two different models utilizing R134a or R513A (107 tons / 376 kW) or ultra-low GWP R1234ze  and R515B (82 tons / 288 kW).

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