Series R Helical Rotary Chiller



Series R Helical Rotary Chiller


  • Capacity Range: 140 to 500 tons
  • Refrigerant: R-134a
  • Compressor Design: Helical rotary screw
  • Energy Efficiency Rating (EER): IPLV: 13.6-15.4 (standard); 14.2-15.9 (high-efficiency); 14.1-15.2 (extra-high-efficiency)

At a Glance: 

  • Can restart a compressor in as little as 60 seconds in the event of a power outage
  • Offers multiple levels of efficiency to meet local code requirements
    Has the tightest recommended side clearance in the industry of 4 feet (1.22 m)
  • EER: Full load: 9.6-9.9 (standard); 10.4-10.9 (high-efficiency); 10.6-11.1 (extra-high-efficiency)

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

Installation Operation Maintenance (IOMs)


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.

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