Abstract: A conditioning system of the free cooling type for environments and particularly for computing centers, which comprises: a conditioning unit of the free cooling type provided with an evaporative cooler using water, first fans, for the exit to the outside environment of a stream of warm air in output from said conditioning unit, second fans for emitting cool, conditioned air from said conditioning unit, elements for accumulating reserve water which are interconnected to the conditioning unit, a detector for detecting the presence of a flow of water in input to the accumulation elements, which are interconnected with an electronic unit for the control and management of the conditioning system.

Abstract: A conditioning unit of the indirect free cooling type, particularly for conditioning computing centers, of the type comprising: an air/air heat exchanger, inside which two air flows, exchange heat: a primary air flow from and toward an environment to be air-conditioned, and a secondary air flow, or process flow, drawn from outside, first fans for moving the primary air flow, second fans for moving the secondary air flow.

Abstract: A heat exchange device for air cooling for conditioning and climate control systems for server rooms and the like, which comprises: an air/air heat exchanger, designed to be passed through by a primary air stream along a first trajectory from an intake region to an outflow region and by a secondary air stream along a second trajectory from a corresponding intake region to a corresponding outflow region, water dispensing elements adapted to wet the heat exchanger downward from above, elements of collecting the water that descends from the heat exchanger, a recirculation pump for returning the air-cooling water from the collection elements up to the dispensing elements arranged above the heat exchanger; the water dispensing elements comprise a plurality of nozzles arranged side by side, or rows of nozzles, which are adapted to dispense water with a flow-rate that decreases starting from the intake region for the primary air stream toward the outflow region of the heat exchanger.

Abstract: A conditioning unit of the free cooling type, particularly for conditioning computing centers, of the type comprising: a water evaporation device for cooling a conditioning air flow; fans for moving the conditioning air flow; an auxiliary electric power supply unit; elements for detecting and signaling a type of electric power supply that is active, whether from an electrical grid or from the auxiliary power supply unit, elements for measuring the electric power absorbed by the conditioning unit, an electronic control and management unit, preset to control the fans in order to limit the speed and power absorption of each one of the fans.

Abstract: A conditioning system of the free cooling type for environments and particularly for computing centers, which comprises: a conditioning unit of the free cooling type, which in turn comprises an air/air heat exchanger, inside which two air flows exchange heat, a primary air flow, from and toward an environment to be air-conditioned, and a secondary air flow, or process flow, drawn from outside, and evaporative cooling elements using water, first fans for moving the primary air flow, second fans for moving the secondary air flow, detectors for detecting temperature and humidity for the primary air flow and the secondary air flow at the inlet and at the outlet of the conditioning unit, detectors for detecting the flow-rate of the primary air flow and of the secondary air flow, an electronic control and management unit adapted to collect and process the data detected by the detectors and adapted to determine, on the basis of the outside humidity and temperature values and of the demand for cooling, the operati

Abstract: A conditioning unit of the indirect free cooling type, particularly for conditioning computing centers, of the type comprising: an air/air heat exchanger, inside which two air flows, exchange heat: a primary air flow from and toward an environment to be air-conditioned, and a secondary air flow, or process flow, drawn from outside, first fans for moving the primary air flow, second fans for moving the secondary air flow.

Abstract: A conditioning system of the free cooling type for environments and particularly for computing centers, which comprises: a conditioning unit of the free cooling type provided with an evaporative cooler using water, first fans, for the exit to the outside environment of a stream of warm air in output from said conditioning unit, second fans for emitting cool, conditioned air from said conditioning unit, elements for accumulating reserve water which are interconnected to the conditioning unit, a detector for detecting the presence of a flow of water in input to the accumulation elements, which are interconnected with an electronic unit for the control and management of the conditioning system.

Abstract: A water cooling unit for conditioning systems, comprising, within a box-like container, an air precooling panel, provided with a matrix of through holes, associated with means for cooling a stream of external air that passes through the matrix of holes, at least one pair of laterally adjacent heat exchange batteries, for each pair of laterally adjacent batteries a first battery being for freecooling of the water entering an evaporator and the second battery being a condensation battery for a condenser of the evaporator, means for the exit outside the box-like container of the heated air that exits from the at least one pair of laterally adjacent heat exchange batteries, first means for hydraulic connection between the water return of an air-conditioning system and the water inlet of the at least one freecooling battery, and second means for hydraulic connection between the at least one freecooling battery and the evaporator.

Abstract: A power consumption economizer for refrigerating machines of the chiller type, comprising, on a same line, a pump for a heat transfer fluid, an evaporator of an associated refrigeration system for refrigerating the heat transfer fluid, sensors for detecting the flow and temperature of the heat transfer fluid and flow-rate adjustment means being associated with the pumping means. The system comprises bypass elements adapted to exclude reversibly the evaporator from the line.

Abstract: A static switch for DC motors of climate control units, comprising a signal side and a power side, which are mutually separated by means of optoisolators, the side comprising in input at least one terminal for a motor on/off signal and a terminal for a pulse width modulation signal PWM to provide the amplitude modulation, on the power side, of a motor speed signal, the switch comprising a precharging device which has a control terminal connected to a power-on optoisolator and a precharging current supply terminal connected to a motor power supply pole, the switch further comprising at least one power-on transistor connected to the same motor supply pole of the power supply terminal of the device, so that a voltage applied across the power-on transistor that exceeds a certain threshold switches off the motor power-on transistor.

Abstract: A flow straightener for axial fans particularly for conditioning systems, being constituted by a plurality of flat deflection walls, which form a substantially star-shaped profile which is adapted to be arranged coaxially and proximate to the impeller of the axial fan with which it is associated.