Description | Traditional
Solution | Energy Savings
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Control, VVC plus
Using a drive in co-operation with a pressure
sensor, the supply fan can maintain a precise flow rate. Since the
CAV system does not modulate, the pressure downstream of the filter
is proportional to flow. As the filter becomes dirty and its
pressure drop increases, the drive automatically increases the speed
of the fan to compensate. In addition to allowing true constant air
volume control, the drive saves energy and provides a soft-start
increasing the life expectancy of the filters.
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