RW ax Liquid Chiller

ERW ax systems for industrial refrigeration of process fluids (water, water and glycol) are air-cooled units, using EC (Electronic Control) axial fans. This range includes a series of models with cooling capacities from 2.1 kWf up to 595 kWf. Three different versions are provided for different outlet fluid temperature ranges, agreed with the customer during the design phase. The entire range uses refrigerant with GWP 631.

The secret of this system is the combination of the refrigeration section and the free-cooling section depending on the time of day and year: the first mode allowed by these liquid chillers takes advantage of the normal operation of a refrigeration circuit, the second allows cold outside air to be directly conveyed to the fluid to be cooled: maximum efficiency, minimum energy use due to the clear separation between the two sections.

Low outlet fluid temperatures (water or water and glycol, down to -8°C) characterize RW ax LT liquid chillers: air condensation ensures that they use are electrical energy, and not water, for their operation: a resource that is then optimized by the electronically controlled “brushless” type axial fans. Up to +40°C ambient temperature allowed in standard execution.

Liquid chillers for low temperatures, also in outdoor environments The RW CW series of process fluid coolers (water, water/antifreeze) are water-cooled and operate with environmentally friendly gas compression. They allow cooled liquid temperatures between -8°C and +20°C. In standard design, ambient temperatures of up to +40°C are permissible, but in the “RW ax/HTA” version even higher ambient temperatures can be achieved. IP54 degree of protection as standard, allowing outdoor installation without a protective roof.