Components & controls
ebm-papst pilots defrost control using EC fan data
The approach assesses evaporator icing rather than relying solely on a timer.
In a 3 November announcement, ebm-papst described Defrost on Demand, which uses EC fan operating data to determine when defrosting is needed.
For one application at −18 °C, the company reported weekly energy consumption falling from 7.8 to 3.4 kWh. Three to six defrost cycles per week replaced a fixed seven-hour schedule.
These are application-specific test results, not guaranteed savings for every installation. Integration with an EVCO controller and the NEXAIRA platform remains under evaluation, with further pilots planned.
Source: ebm-papst.
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