R90-160n Nirvana VSD Efficiency

Variable Speed with Single-Stage Airend and HPM™ Motor


Variable Speed with Single-Stage Airend and HPM™ MotorIngersoll Rand’s Nirvana VSD Efficiency packages maximizes energy savings through the use of their exclusive Hybrid Permanent Magnet Motor™ – (HPM™) and Variable speed drive.


  • HPM™ motor provides unmatched reliability and efficiency with unlimited starts/stops constant pressure control and smooth soft starting with starting amps always below full load
  • Conserves energy by shutting off rather than run unloaded
  • This unique bearingless motor design has fewer rotating parts – no pulleys belts or couplings and is totally maintenance free
  • Automatic coolant temperature control to eliminate moisture build up
  • Intuitive controller with easily adjustable operating parameters onboard diagnostics multiple language support and built in energy savings calculator
  • Time – proven single stage airend with precision machined rotors and highest quality taper roller bearing for increased life
  • Integral coolant paths in cast housing eliminates potential leak paths
  • Blower speed adaptable to ambient temperature
  • Rated for continuous duty—100% load, 24/7, 115°F (46°C)—to  reduce downtime and lost production
  • Voltage and frequency fluctuation protection
  • Removable hinged doors allow easy access to internal components


R-Series – Xe-Series Controller