Variable Speed Control increases ventilation system efficacy.

GB with VGD open3 Greenheck’s line of Vari-Green™ energy control products has expanded with the introduction of the Vari-Green Drive (Model VGD-100), a factory-mounted and wired variable speed control for three-phase motors up to 10HP. Traditionally, most VFDs are mounted away from the fan motor, and as a result, voltage spikes can occur. Additional devices such as filters and reactors may need to be installed to mitigate possible damage to the motor. Internally mounted within…

This story is related to the following:
Controls & Controllers
Green & Clean

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