The ideal solution for smaller cooling needs is now provided in the form of ROXSTAcube. Optimized to a minimal installation surface. You only need a pallet space or you can install the unit outdoors. In both cases, no machine room is necessary.


  • Medium temperature cooling up to 70 kW. 1 to 3 transcritical CO2 compressors. Frequency converter included.
  • Low temperature cooling up to 8 kW. 0 to 1 subcritical CO2 compressors. Frequency converter included.

Design pressure

  • 30 bar suction line (low temperature)
  • 45 bar suction line (medium temperature)
  • 45 (60*) bar medium pressure
  • 120 bar high pressure side
    *Optional at additional price 

Completely mounted and tubed unit

  • Transcritical and subcritical compressors by Bitzer or Frascold
  • Frequency converter included (MT/LT on request)
  • Oil regulation system
  • Safety devices according to valid norms
  • Switchboard with electronic control – Wurm Systeme
  • Ball stop valve before and after the high and medium pressure valve
  • Flash gas heat transfer unit
  • Ball stop valve in the common discharge line of the medium temperature cooling
  • Suction gas filter in combination with ball stop valve in the suction line – for medium and low temperature cooling
  • Liquid set consisting of two ball stop valves, liquid filter and sight glass
  • Insulation on suction side
  • Antivibration pads for optimal positioning with low vibration
  • Safety valves station
  • Sound insulating components for interior installation
  • Weather protection and sound insulation enclosure for exterior installation
  • Basic sound insulation (40 mm insulation)
  • Advanced sound insulation (100 mm insulation)
  • HRV incl. 3-way motor ball valve and temperature sensor


  • The ready-to-use solution for indoor and outdoor installation
  • Includes all relevant CO2 cooling components including Wurm control technology and heat recovery – all in a very compact and space-saving enclosure
  • Ensures flawless operation from the beginning
  • Easy installation and maintenance
  • Choose your sound insulation according to the use and the installation conditions


Ideal for discount supermarkets, organic shops and convenience stores or refrigeration applications with a smaller need for medium and low temperature cooling.

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