Carrier launches new chiller operating with HFO Low GWP Honeywell Solstice┬

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Carrier launches new chiller operating with HFO Low GWP Honeywell Solstice® R1233zd(E)

Carrier launches new chiller operating with HFO Low GWP Honeywell Solstice® R1233zd(E)

Cooling Post - February 5th, 2017

 

USA: Last week’s AHR Expo in Las Vegas provided the platform for the official US launch of Carrier’s new AquaEdge 19DV centrifugal chiller using low GWP refrigerant R1233zd(E).

Improvements in compression technology and integration of Carrier’s Greenspeed intelligence variable-speed technology is said to have produced significant improvement to its centrifugal full- and part-load efficiencies.

The AquaEdge19DV was first unveiled at last year’s China Refrigeration Expo in Beijing and launched there in December. The launch at AHR Expo now brings Carrier’s version of the breakthrough technology to North America for the first time.

R1233zd(E) is a single component, non-flammable A1, HFO refrigerant alternative to R123. The refrigerant was first adopted by Carrier’s US rival Trane when it launched its Series E CenTraVac water-cooled centrifugal chiller in 2014.

The AquaEdge 19DV is said to provide COPs of up to 7.0 COP full-load and 11.8 IPLV.IP as rated in accordance with AHRI 550/590-2015 at standard rating conditions.

Optimised for the new refrigerant, Carrier’s two-stage compressor in the AquaEdge19DV is described by the company as a low-speed, direct drive, back-to-back design. This is said to significantly improve efficiency while balancing internal forces, enabling the use of energy-saving ceramic bearings that utilise the refrigerant already in the chiller as lubricant.

The combination of Greenspeed intelligence with the new compressor design that deploys one inlet guide vane for each of two stages is said to ensure stable chiller operation at all times, even at 10% part load.

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