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Trane first with 1233zd chiller

Series-E-CenTraVacFRANCE: A new non-flammable, low GWP refrigerant HFO1233zd(E) is being used for the first time in a new Trane chiller.

The Series E CenTraVac water-cooled centrifugal chiller is one of five new chillers launched by Trane and is the first chiller in the world to use the new HFO developed as an alternative to R123.

A single component refrigerant, 1233zd(E) is described as both low toxicity and non-flammable. It was originally developed for use as a blowing agent but has also been found to be a high efficiency alternative  to R123. It has been submitted for ASHRAE designation and classification and is expected to be classified as A1. Its GWP is low, listed under the F-gas regulations as 4.5 but variously described as 6, by UNEP, or 1, by Honeywell.

The Series E CenTraVac is available in capacities from 2,600kW to 14,000kW. It is said to be up to 10% more energy efficient than the next best chiller available in this tonnage, delivering industry-leading efficiencies at both part-load and full-load capacity. It allows for heat pump, heat recovery and free-cooling applications resulting in increased sustainability. Additionally, the unit offers an “ice making” feature for ice-enhanced cooling during peak demand.

The new CenTraVac is one of five new chillers launched by Trane with capacities ranging from 20kW to 14,000kW.

 Further reading:

Trane SintesissmallTrane introduces five new chillers –1st July, 2014
The first ever chiller running on HFO1233zd(E) is one of five new chillers released by Trane in a major expansion of its European product range. Read more…


8462221_sDuPont’s new HFO could replace R123 22nd April 2014
USA: DuPont has announced it is to start small scale production of a new low GWP HFO for the foam industry which could ultimately also have applications as a refrigerant. Read more…


276574_m-460x353Low GWP gases – the pros and cons 27th October, 2013
It is now certain that HFC refrigerants across the world are going to be subject to phase-downs and possible usage restrictions but what are the alternatives? This article takes an unbiased look at their benefits and drawbacks. Read more…


10133712_lFinally, a replacement for R123? 17th October, 2013
USA: While much has been made of the new HFO refrigerants 1234yf and 1234ze, another lesser known HFO could provide a much needed alternative to R123 in chiller applications. Read more…

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