Balance wind pressure and air volume by: selecting a fan where the system curve intersects the fan curve at the desired operating point, using VFD to adjust speed (both pressure and volume change proportionally), or using dampers/louvres to throttle and shift the system curve.
Balance wind pressure and air volume by: selecting a fan where the system curve intersects the fan curve at the desired operating point, using VFD to adjust speed (both pressure and volume change proportionally), or using dampers/louvres to throttle and shift the system curve.
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