When the outdoor air temperature is higher than the temperature of the return water in the system, the cooling capacity is supplied by the chiller. WST manages the dry cooler, modulating its fans according to the chiller condensation pressure. When the outdoor air temperature is lower, the WST switches off the chiller and uses the water from the dry cooler to cool the system water in the free-cooling exchanger. Advanced electronics with the continuous monitoring of various operating and environmental parameters, so that the operating mode can be changed as necessary. Management of the dry cooler fans to control the condensation pressure or the recovered power (free-cooling). Management of cold start-ups via dry cooler fan modulation and the mixer valve. Structure and base in hot galvanised sheet metal, varnished with epoxy powders.
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