Danfoss VLT Ea4, Operating Manual

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5
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
5.10
5.11
5.11.1
5.11.2
5.11.3
5.11.4
5.11.5
5.12
5.13
5.14
6
6.1
6.2
6.3
6.4
6.5
6.6
6.6.1
6.7
6.8
6.9
6.10
6.11
7
7.1
7.2
7.3
Electrical Installation 22
Safety Precautions 22
Electrical Requirements 22
Wiring Diagram 23
Block Diagram 24
Control Shelf Connections 25
Ground Connections 26
Installing DC Bus Fuses 27
Connecting to the Motor 27
Connecting to the AC Mains 28
Example of the Ground, Motor, and Mains Wiring 29
Installing Control Wiring 29
Control Terminals 29
Relay Terminals 31
Routing Control Cables 31
Connecting the Control Cable to the Control Terminals 32
Disconnecting the Control Cable from the Control Terminals 33
Enabling Motor Operation 33
RS485 Serial Communication 33
Selecting the Voltage/Current Input Signal 34
Operating the Drive 36
Pre-start Check List 36
Applying Power to the Drive 37
Local Control Panel (LCP) 38
LCP Menu 40
Entering System Information 41
Testing Before System Start Up 42
Testing Motor Rotation 42
Starting Up the Drive for the First Time 42
Status Messages 42
Warnings and Alarms 46
Troubleshooting 64
Maintenance and Service 66
Specifications 67
Electrical Data, 380–500 V AC 67
Mains Supply to Drive Modules 68
Motor Output 68
AQ434333248451en-000101/130R1286 4 | Danfoss A/S © 2023.01
Contents
VLT Ea4 Parallel Drive Modules
Operating Guide