VLT
®
2800 Series
■
Contents
Introduction to VLT 2800
.............................................................................
3
Software version .....................................................................................................
3
General warning
....................................................................................................
4
These rules concern your safety: ............................................................................
4
Warnings against unintended start: ........................................................................
4
Installation
.........................................................................................................
5
Mechanical dimensions
.........................................................................................
5
Mechanical installation
...........................................................................................
7
General information about electrical installation ......................................................
8
Installation to minimize EMI/RFI ..............................................................................
9
Grounding of screened/armored control cables
..................................................... 10
Diagram
................................................................................................................ 11
Electrical installation ............................................................................................... 12
Safety clamp .......................................................................................................... 14
Input fuses
............................................................................................................ 14
AC line connection
................................................................................................ 14
Motor connection
.................................................................................................. 14
Direction of motor rotation
..................................................................................... 14
Motor thermal protection ........................................................................................ 14
Parallel connection of motors
................................................................................ 15
Motor cables
......................................................................................................... 15
Brake connection
.................................................................................................. 15
Ground connection
............................................................................................... 15
Load sharing
......................................................................................................... 15
Tightening Torque, Power Terminals ....................................................................... 16
Control of mechanical brake
.................................................................................. 16
Access to control terminals
................................................................................... 17
Electrical installation, control circuitry
..................................................................... 17
Tightening torques, control cables .......................................................................... 18
Electrical installation, control terminals .................................................................... 18
Relay connection
................................................................................................... 18
VLT Software Dialog
.............................................................................................. 19
Connection examples ............................................................................................. 20
Control unit ............................................................................................................ 21
Manual initialization
................................................................................................ 21
Programming the adjustable frequency drive
......................................................... 23
Status messages ................................................................................................... 24
Hand / Auto mode operation
................................................................................. 24
Warnings/alarms
................................................................................................... 25
Special conditions .................................................................................................. 26
Temperature-related switching frequency
.............................................................. 26
Derating for long motor cables
.............................................................................. 26
VLT 2800 start-up
................................................................................................. 26
Programming
.................................................................................................... 28
MG.28.A7.22 - VLT is a registered Danfoss trademark
1