4.4.8
4.4.9
4.5
4.6
4.7
4.8
4.9
4.9.1
4.9.2
4.10
5
5.1
5.1.1
5.2
5.3
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
5.3.5.1
5.3.5.2
5.3.5.3
5.3.6
5.4
5.5
5.6
6
6.1
6.1.1
6.2
6.2.1
6.3
6.3.1
6.3.2
6.3.3
6.3.4
Relay Outputs, Enclosure Size H6 30
RS485 Serial Communication 31
Ambient Conditions 31
Conforming Standards 32
Cable Lengths and Cross-sections 32
Acoustic Noise 32
Mechanical Dimensions 33
Drive Dimensions 33
Shipping Dimensions 34
dU/dt 34
Mechanical Installation Considerations 36
Safe Transportation and Storage 36
Reforming the Capacitors 36
Side-by-side Installation 37
Operating Environment 37
Gases 38
Dust 38
Air Humidity 39
Vibration and Shock 39
Derating for Ambient Temperature and Switching Frequency 39
Derating Curves, 6.0, 7.5, and 10 kW 39
Derating Curves, 18.5–22 kW 40
Derating Curves, 30 kW 40
Derating for Low Air Pressure and High Altitudes 41
IP21/NEMA Type 1 Enclosure Kit 41
Acoustic Noise or Vibration 43
Recommended Disposal 43
Electrical Installation Considerations 45
Electrical Installation in General 45
Fastener Torque Ratings 45
Fuses and Circuit Breakers 45
Recommendation of Fuses and Circuit Breakers 45
Electrical Wiring 46
Wiring Schematic 46
Terminal Overview of Enclosure Sizes H3–H5 47
Terminal Overview of Enclosure Size H6 48
Connecting to Mains and Compressor Terminals 48
AJ330233902305en-000201/130R0596 | 5Danfoss A/S © 2021.05
Contents
VLT® Compressor Drive CDS 803
Design Guide