GERMANY: The FläktGroup has introduced new water-cooled chillers operating on lower GWP refrigerant R513A.

The FGWC 2140-2465 AE2 chiller range covers capacities from 530-1780 kW in 10 sizes. SEER values are up to 7.53.

Manufactured and marketed by Chemours as Opteon XP10, R513A is a non-flammable A1 blend of R134a and R1234yf with a GWP of around 630. 

The units have two Bitzer dual-rotor screw compressors. One compressor has inverter control and one compressor has slider control, which when combined with a highly efficient flooded evaporator and electronic expansion valves. 

Acoustic compressor isolation, refrigerant leak detectors, BMS interfaces and a variable pump speed control are all available as options across the range.