International. Greenheck's Vari-GreenTM power control product line has been expanded with the introduction of the Vari-Green device (MgV-100 Model), a factory-mounted variable speed control and wiring 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 engine damage. Mounted internally inside the fan case, the Vari-Green unit virtually eliminates voltage spikes that can contribute to motor performance issues and failures.
The pre-programmed device uses R3 filtering technology to significantly reduce the electrical harmonics going back into the building. No field installation or contractor savings start time is required. The Vari-Green Drive optimizes the energy savings and efficiency of ventilation systems in a variety of applications.