Danfoss VLT 2800 Instruction Manual

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

Danfoss VLT 2800 Specifications

General

Frequency	50/60 Hz
Enclosure	IP20
Input Voltage	200-240V AC
Output Power Range	0.37-2.2kW
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short Circuit
Communication Interface	RS485
Operating Temperature	-10°C to +40°C
Storage Temperature	-25°C to +65 °C
Relative Humidity	5 - 95% RH, non-condensing
Output Voltage	0 - 100% of supply voltage