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Danfoss VLT CDS 803 User Manual
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There is no access to UDC- and UDC+ on the following units:
IP20, 380–480 V, 30 kW (40 hp).
6.3.2 Terminal Overview of Enclosure Sizes H3–H5
1
2
2
3
4
U
V
W
-DC
+DC
e30bb634.11
5
MAINS
MOTOR
Illustration 28: Enclosure Sizes H3–H5
1
Mains
2
Ground
3
Compressor
4
Relays
5
Control terminals
AJ330233902305en-000201 / 130R0596 | 47
Danfoss A/S © 2021.05
Electrical Installation
Considerations
VLT® Compressor Drive CDS 803
Design Guide
46
48
Table of Contents
Table of Contents
3
Introduction
7
Purpose of this Design Guide
7
Additional Resources
7
Supplementary Documentation
7
VLT® Motion Control Tool MCT 10 Software Support
7
Manual and Software Version
7
Approvals and Certifications
7
Safety
9
Safety Symbols
9
Qualified Personnel
9
Safety Precautions
9
Product Overview
11
VLT® Compressor Drive CDS 803 Family Overview
11
VLT® Compressor Drive CDS 803 Features
12
Compressor Features
12
Secure Start-Up
12
Compressor Minimum Speed Detection
13
Short-Cycle Protection
14
Anti-Reverse Protection
14
Oil Return Management
15
Data Readouts and Commissioning
15
Undersized Compressor
16
Application Features
16
Automatic Motor Adaptation (AMA)
16
Motor Thermal Protection
16
Built-In PID Controller
17
Automatic Restart
17
Flying Start
17
Frequency Bypass
17
Motor Preheat
17
Programmable Set-Ups
18
Smart Logic Control (SLC)
18
Comparators
19
Logic Rules
19
VLT® Compressor Drive CDS 803 Protections
19
Mains Input Protection
19
Mains Supply Failure, Momentary Dropouts, and Surges
19
Missing Mains Phase Detection
20
Output Protection
20
Short-Circuit Protection (Phase-To-Phase)
20
Ground Fault Protection (Output Phase-To-Ground)
20
Locked Rotor Detection
20
Output Phase Loss Detection
20
Overload Protection
20
Temperature Protection
21
Minimum and Maximum Temperature Protection
21
Automatic Temperature Derating
21
Temperature-Controlled Fans
21
Internal Protection
21
DC Overvoltage Protection
21
Internal Faults
21
Ecodesign for Power Drive Systems
21
Losses in Mains Cabling
23
Input Filters: Line Reactors and Harmonic Filters
23
Drive, Input Side
24
DC Link
24
Drive, Output Side
25
Motor Cables and Motor
26
Specifications
27
Electrical Data
27
Electrical Data 3X200-240 V AC
27
Electrical Data 3X380-480 V AC
27
Mains Supply (L1, L2, L3)
28
Compressor Output (U, V, W)
28
Control Input/Output
29
DC Output
29
Analog Inputs
29
Analog Outputs
29
Digital Inputs
29
Digital Outputs
30
Relay Outputs, Enclosure Sizes
30
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
47
Terminal Overview of Enclosure Size H6
48
Connecting to Mains and Compressor Terminals
48
Grid Installations
49
Relay Terminals
49
Control Terminals
50
Setting up RS485 Serial Communication
51
Electromagnetic Compatibility
52
EMC Emission Test Results
53
Emission Requirements
53
Immunity Requirements
54
EMC Compatibility
56
EMC-Compliant Electrical Installation
57
EMC-Compliant Cables
59
Shielded Control Cables
60
RFI Filter Switch
61
Harmonics Emission
61
Harmonics Emission Requirements
62
Harmonics Test Results (Emission)
62
Galvanic Isolation (PELV)
63
Ground Leakage Current
63
Using a Residual Current Device (RCD)
65
How to Order
67
Drive Configurator
67
Type Code Description
67
Accessories and Spare Parts
68
Appendix
69
Abbreviations
69
Conventions
69
Other manuals for Danfoss VLT CDS 803
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Operating Guide
54 pages
Quick Guide
32 pages
4
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Danfoss VLT CDS 803 Specifications
General
Brand
Danfoss
Model
VLT CDS 803
Category
DC Drives
Language
English
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