Illustration 4: The 3 Common Energy Saving Systems
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Discharge Damper Solution
IGV Solution
VLT Solution
Energy consumed
Energy consumed
Energy consumed
Input power %
Volume %
Illustration 5: Energy Savings
Discharge dampers reduce power consumption. Inlet guide vanes offer a 40% reduction, but are expensive to install. The Danfoss
drive solution reduces energy consumption with more than 50% and is easy to install. It also reduces noise, mechanical stress, and
wear-and-tear, and extends the life span of the entire application.
AJ363928382091en-000101 / 130R098316 | Danfoss A/S © 2021.04
Product Overview
VLT® Flow Drive FC 111
Design Guide