Danfoss VLT series Service Manual

VLT is a registered Danfoss trademark
Intro-6
Control card cassette
Control card
PCA1
Control input terminals
Interface card
PCA2
Power card
PCA3
Upper capacitor bank assembly
CBANK2 + PCA11
Lower capacitor bank assembly
CBANK1 + PCA10
IGBT gate driver card
PCA5
Soft charge card
PCA12
Soft charge fuses
Input terminal mounting
plate assembly
AC input bus bar
Main AC power
input terminals
TB1
Current sensor
L2, L3, L4
Output motor terminals
TB2
IGBT output bus bar
Fan assembly
F1 + C1
IGBT module
IGBT1, 2, 3
Soft charge resistor assy
R1
Fan inductor (not on all units)
L5
DC inductor
L1
Local Control Panel
Exploded View E1 Frame Size
Fan transformer
TR1
DC bus fuse and Fan fuse
F4 and F5
SCR and Diode
SCR1, SCR2, SCR3 and
D1, D2, D3

Danfoss VLT series Specifications

General

Series	VLT
Category	DC Drives
Output Voltage	0-100% of input voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Overtemperature, Short Circuit, Ground Fault
Communication Interfaces	Profibus, CANopen
Enclosure Rating	IP20, IP21, IP55, IP66
Cooling Method	Forced Air Cooling, Convection Cooling
Control Mode	Sensorless Vector, Closed Loop Vector
Ambient Temperature	-10°C to +50°C (14°F to 122°F)