EVO ™ P ANEL F EATURES
Soft Start
The use of a Variable Frequency Drive (VFD) allows the motor ramp up to speed rather than across
the line starting contactors. This eliminates starting amperage spikes as well as inertial effects of the
blower.
Pressure Tracking
The Variable Frequency Drive (VFD) inside the control panel allows the unit to track the usage of the
filters. This allows the unit to automatically increase the speed of the motor to compensate for the
additional air restrictions caused from dirty filters. This feature is an automatic feature and cannot be
disabled.
This feature alone can save up to 55% of the energy costs over the life of the filters.
Reduced Maintenance
The unit uses the Variable Frequency Drive (VFD) to manage the motor's operating speed. This, in
turn, controls the airflow inside the unit and allows for more efficient operation through the Pressure
Tracking feature. This reduces the impaction of dust upon the filters inside the unit and allows. The
reduced impaction means the dust can be cleaned easier and every cleaning cycle is more efficient.
This feature can increase the life of the filter by up to 100% which reduces maintenance time and
costs.
Reduced Noise
Noise is created inside a unit by moving parts such as the blower wheel and moving fluids such as
the air through the unit. With the EVO ™ panel speed control, the air flow is managed through the
blower control. By managing the airflow, the noise due to moving parts and moving air is reduced.
Measurements have shown that the noise level with clean filters can be dropped by more than half
the noise.
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