Danfoss VLT series Service Manual

6-17
VLT is a registered Danfoss trademark
7. Note which gate leads attach to which module for
reasembly. Remove SCR/Diode gate lead
connectors from modules (not shown).
8. If unit is equipped with brake option, remove two
bus bars attaching brake IGBT module to IGBT
bus assy. Remove SCR/Diode mounting screws.
Mounting screws
(Step 8)
REASSEMBLY
1. To replace SCR/Diode modules, follow instructions
included with replacement module.
2. Reinstall module and mounting screws. Tighten
remaining T25 and 8mm screws to 20 in-lbs
(2.25 Nm) and T30 and 10 mm to 35 in-lbs (4
Nm).
3. Reassemble remaining parts in reverse order of
their removal.
Figure 6-11. D1 SCR/Diode Module (3 of 3)
SCR/Diode module

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)