Series R Helical Rotary Model BRTAC (50 & 60 Hz)



Series R Helical Rotary Model BRTAC (50 & 60 Hz)


  • Capacity Range: 140  to 350TR
  • Refrigerant: R-134a
  • Compressor Design: Helical rotary screw

At a Glance: 

  • Sizes from 140 to 350 TR.
  • The Helirotor ™ compressor is a direct drive, low speed (3,600rpm). The only moving parts are the rotors and loading and unloading mechanisms for high reliability and efficiency.
  • Two independent refrigerant circuits.
  • The Tracer ™ chiller controller and the Adaptive Control ™ microprocessor, Adaptive Control ™, provide all unit safety and control functions in a proactive strategy.
  • Units shipped ready for installation, with refrigerant (R-134a) and oil, need only electrical and water connections.
  • Energy efficiencies exceed ASHRAE 90.1 standards.
  • All units have unique water inlet and outlet connections to the evaporator.
  • Direct interface with BACnet ™, LonTalk ™ and Tracer ™ system.
  • Optional for 5-8dBA noise reduction.
  • Standard unit, high efficiency or premium efficiency as an option.

Dependable Performance and Reliability You Can Count On

The true workhorse of the Trane air-cooled portfolio, the Series R® Helical Rotary Chiller RTAC can be found in applications across the globe. More than 50,000 units are currently installed around the world — including over 250,000 air- and water-cooled helical rotary compressors.

Proven value honed over a quarter century

That installed base size demonstrates the value our proven direct-drive, low-speed, semi-hermetic compressor design can deliver for you. We have refined this design over 25 years of helical-rotary chiller engineering and manufacturing experience. That expertise, combined with a rigorous design verification and testing process, ensures that you receive the highest-quality products designed to keep their operation running reliably and efficiently.

Product Literature



Rental Solutions

Our approach to temporary HVAC and power goes beyond the typical drop-off. We design, deliver, install and even monitor safe and efficient rental solutions. Short term, long term, chiller, generator, or portable AC unit, we have the fleet and people where and when you need them.

Other Products You Might be Interested In