If deceleration problems were encountered
•
If warnings or alarms occur, see
.
•
Check that motor data is entered correctly.
•
Increase the ramp-down time decel time in
3-42 Ramp 1 Ramp Down Time
.
•
Enable overvoltage control in
2-17 Over-voltage
Control
.
NOTE
The OVC algorithm does not work when using PM motors.
See
for resetting the frequency
converter after a trip.
NOTE
to
3.3 Basic Operational Programming
conclude the procedures for applying power to the
frequency converter, basic programming, set-up and
functional testing.
3.5 System Start Up
The procedure in this section requires user-wiring and
application programming to be completed. See
for application set-up information.
The following procedure is recommended after application
set-up by the user is completed.
CAUTION
MOTOR START!
Ensure that the motor, system, and any attached
equipment is ready for start. It is the responsibility of the
user to ensure safe operation under any condition. Failure
to do so could result in personal injury or equipment
damage.
1.
Press [Auto On].
2.
Ensure that external control functions are
properly wired to the frequency converter and all
programming is completed.
3.
Apply an external run command.
4.
Adjust the speed reference throughout the speed
range.
5.
Remove the external run command.
6.
Note any problem.
If warnings or alarms occur, see
.
Start Up and Commissioning
VLT
®
AQUA Drive D-Frame
Operating Instructions
MG21A202 - VLT
®
is a registered Danfoss trademark
35
3
3
