Danfoss VLT Flow Drive FC 111 Design Guide

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1.1
1.2
1.2.1
1.2.2
1.3
1.4
1.4.1
1.4.2
2
2.1
2.2
2.3
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3.1
3.1.1
3.1.1.1
3.1.1.2
3.1.1.3
3.1.1.4
3.1.1.5
3.1.1.6
3.1.1.7
3.1.1.8
3.1.1.9
3.1.2
3.1.2.1
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3.1.2.5
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3.1.3
3.1.4
3.1.5
Contents
Introduction 10
Purpose of this Design Guide 10
Additional Resources 10
Other Resources 10
MCT 10 Set-up Software Support 10
Document and Software Version 10
Regulatory Compliance 10
Introduction 10
CE Mark 10
Safety 12
Safety Symbols 12
Qualified Personnel 12
Safety Precautions 12
Product Overview 14
Advantages 14
Why Use a Drive for Controlling Fans and Pumps? 14
The Clear Advantage - Energy Savings 14
Example of Energy Savings 15
Comparison of Energy Savings 15
Example with Varying Flow over 1 Year 17
Better Control 18
Star/Delta Starter or Soft Starter not Required 18
Using a Drive Saves Money 18
Traditional Fan System without a Drive 19
Fan System Controlled by Drives 20
Application Examples 20
Variable Air Volume 20
Constant Air Volume 21
Cooling Tower Fan 22
Condenser Pumps 23
Primary Pumps 24
Secondary Pumps 25
Check Valve Monitoring 26
Dry Pump Detection 26
End of Curve Detection 26
AJ363928382091en-000101/130R0983 | 3Danfoss A/S © 2021.04
Contents
VLT® Flow Drive FC 111
Design Guide

Danfoss VLT Flow Drive FC 111 Specifications

General

Brand	Danfoss
Model	VLT Flow Drive FC 111
Category	DC Drives
Language	English