Danfoss VLT CDS 303

1 Introduction
1.1 Introduction
130BC396.13
Unit controller
Start/stop
High pressure cutout
Reference
Pressure sensor 4-20 mA
Oil solenoid
Drive
Low Pressure Cutout
VFD
Figure 1.1 Compressor Drive System
The VLT
®
Compressor Drives utilize and combine Danfoss
design and manufacturing expertise. Our extensive
application knowledge of refrigeration, air conditioning,
and motion controls ensures an optimized product design
and package solution:
•
A “plug & play” solution
•
Operational eciency
•
Flexibility & best control accuracy
•
Innovative and reliable solution
The frequency converter is 100% preset for speed open
loop conguration with 0-10 V reference corresponding to
1800-5400 RPM for CDS 302 and 1500-6000 RPM for CDS
303.
Introduction
VLT
®
Compressor Drives CDS 302/CDS 303
4 Danfoss A/S © Rev. 2013-07-03 All rights reserved. MG34M422
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