Frigofluid supplied a chiller with built-in free-cooling to a Veneto-based plastic moulding company as part of the expansion of its production system (addition of new presses). The consultancy covered not only the technical solution, but its incorporation into the plant’s entire heating and air-conditioning system.
An increasingly attractive point for industry, also in the plastics moulding sector, is the possibility of industrial refrigeration performance with measurable savings in electrical energy: this is what Frigofluid’s RW EFC ax series process chillers make possible, which were also selected for a plastics moulding company in the Treviso area.
The main requirement was the refrigeration of plastic presses, taking into account a future expansion of the production site (with five presses).
As far as the optimal management of heat and cold was concerned, the client company had initially assumed the re-use of the machines’ condensation heat to heat the production areas: Frigofluid showed (data in hand) that it was more cost-effective to use the continuous savings allowed by free cooling, a mode of use incorporated in the RW EFC ax series.
Independent, brushless axial fans with electronic control of the operating parameters allow the highest possible energy savings.
There are three operating modes for the RW EFC ax industrial chillers (alternatives, depending on the season and time of day):
The free-cooling chiller supplied to the Treviso company uses two refrigerant gas circuits. Total cooling capacity: 55.8 kWf.
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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.
Plastics processing is a heterogeneous sector. Frigofluid’s industrial chillers for plastic and rubber are appreciated in this sector for their reliability and precision. Customers can also request turnkey refrigeration systems complete with refrigeration unit, secondary coolers and other accessories.
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