1
1.1
1.2
1.3
1.4
2
2.1
2.2
2.3
3
3.1
3.2
3.2.1.4
3.2.3
3.2.6
3.2.7
3.2.8
3.3
3.4
3.4.1
3.4.2
4
4.1
4.2
4.3
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.4
4.4.1
4.5
Contents
Introduction 11
Purpose of this Design Guide 11
Trademarks 11
Additional Resources 11
Document Version 11
Safety 12
Safety 12
Safety Symbols 12
Qualied Personnel 12
Approvals and Cer tications 13
Regulatory/Compliance Approvals 13
Typical Product Approvals and Certications for VLT® Drives 13
ErP Directive 14
UL Listing 14
EAC 14
UkrSEPRO 15
RCM Mark Compliance 15
Export Control Regulation 15
Enclosure Protection Rating 15
UL Type Standard 15
IP Standard 16
Product Family Overview 17
VLT® Drives 17
Product Overview of the VLT® AQUA Drive FC 202 17
Advantages of Using AC Drives in Pump and Fan Applications 21
Example of Energy Savings 22
Valve Control versus Speed Control of Centrifugal Pumps 23
Example with Varying Flow over 1 Year 25
Improved Control 26
Star/Delta Starter or Soft Starter not Required 27
Power Drive Systems 27
Ecodesign for Power Drive Systems 27
Software Tools 28
AJ300847815559en-000101/130R0337 | 3Danfoss A/S © 2020.09
Contents
VLT® AQUA Drive FC 202
Design Guide