• Suitable for cold storage refrigeration
• High energy efficiency, low noise, 20% less power consumption


xxx has developed a new NH3 (R717) compressor especially for cold storage refrigeration. For higher safety it employs an indirect method using CO2 as secondary working fluid and limits the amount of NH3 refrigerant to approximately one sixth. Over a 15 years life time, the system emits 33% less greenhouse gases than a comparable HFC-404a system, and consumes 20% less power.

Basic Specifications
  • World’s first screw compressor with NH3 semi-hermetic IPM motor in the world
  • Screw motor with high-precision profile
  • IPM motor mounting rare-earth permanent magnets inside the rotor
  • Two-stage compressor system: liquid is sub-cooled through intercooler and enhances cooling effects
  • Economizer on low-stage to increase super-cooling degree
  • NH3 flooded evaporator: to reinforce the efficiency of the heat exchanger
  • Motor reduces internal gas leakage
  • High energy efficiency
  • Low noise levels

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