VLT® Flow Drive FC 111
Design Guide
Contents
1
Introduction
1.1
Purpose of this Design Guide
1.2
Additional Resources
1.2.1
Other Resources
1.2.2
MCT 10 Set-up Software Support
1.3
Document and Software Version
1.4
Regulatory Compliance
1.4.1
Introduction
1.4.2
CE Mark
2
Safety
2.1
Safety Symbols
2.2
Qualified Personnel
2.3
Safety Precautions
3
Product Overview
3.1
Advantages
3.1.1
Why Use a Drive for Controlling Fans and Pumps?
3.1.1.1
The Clear Advantage - Energy Savings
3.1.1.2
Example of Energy Savings
3.1.1.3
Comparison of Energy Savings
3.1.1.4
Example with Varying Flow over 1 Year
3.1.1.5
Better Control
3.1.1.6
Star/Delta Starter or Soft Starter not Required
3.1.1.7
Using a Drive Saves Money
3.1.1.8
Traditional Fan System without a Drive
3.1.1.9
Fan System Controlled by Drives
3.1.2
Application Examples
3.1.2.1
Variable Air Volume
3.1.2.2
Constant Air Volume
3.1.2.3
Cooling Tower Fan
3.1.2.4
Condenser Pumps
3.1.2.5
Primary Pumps
3.1.2.6
Secondary Pumps
3.1.3
Check Valve Monitoring
3.1.4
Dry Pump Detection
3.1.5
End of Curve Detection
Danfoss A/S © 2021.04
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