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Carrier R1234ze chiller for process applications

FRANCE: Carrier has introduced the AquaForce Vision 30KAV, described as a new line of high performance, compact process cooling chillers using low GWP HFO refrigerant R1234ze. 

The new chiller line is said to be optimised for industrial processing such as food manufacturing, pharmaceuticals, chemicals, plastics, metal industries and applications requiring ultra-reliable cooling to -12ºC. 

The AquaForce Vision 30KAV air-cooled, variable-speed screw chillers are available in four sizes, spanning capacities from 280kW to 800kW into -4ºC/-8ºC medium temperature process cooling and from 530kW to 1300kW into 12/7ºC high-temperature process cooling or comfort cooling. 

The use of Carrier’s Novation micro-channel heat exchangers reduces the refrigerant charge size. In addition, the chiller has a footprint one-third less than standard 30KAV chillers, enabling it to be deployed where space is tight without compromising performance.

For mission critical applications, such as process cooling and food manufacturing, the chiller offers an ultra-fast capacity recovery option. According to Carrier, in the event of the chiller power supply being interrupted, the recovery option enables immediate chiller restart following power restoration with 100% capacity recovery within one minute.

All 30KAV models can also be equipped with an innovative boosted total heat recovery option that allows more heat to be recovered during the winter. 

The heat recovery option uses a hybrid design that harnesses the benefits of both serial and parallel design approaches. When heat reclaim is activated, the air-cooled coils are automatically isolated to reduce the impact of cold ambient air on the heat capacity that can be recovered from the water-cooled heat exchanger. This option increases heat recovery by 25% at nominal load with 35ºC outside air temperature, and by 100% or more when the chiller operates with low outside air temperature, compared with the traditional serial-only approach to heat recovery. The cooling capacity of the chiller is also slightly enhanced in heat recovery mode. 

Due to its compliance with European Ecodesign Directive requirements, the AquaForce 30KAV can also be used in comfort cooling applications.


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