3.4 Local Control Test
CAUTION
MOTOR START!
Ensure that the motor, system and any attached
equipment are ready for start. It is the responsibility of the
user to ensure safe operation under any condition. Failure
to ensure that the motor, system, and any attached
equipment are ready for start could result in personal
injury or equipment damage.
NOTE!
The [Hand On] key provides a local start command to the
adjustable frequency drive. The [Off] key provides the stop
function.
When operating in local mode, [
▲
] and [
▼
] increase and
decrease the speed output of the adjustable frequency
drive. [
◄
] and [
►
] move the display cursor in the numeric
display.
1.
Press [Hand On].
2.
Accelerate the adjustable frequency drive by
pressing [
▲
] to full speed. Moving the cursor left
of the decimal point provides quicker input
changes.
3.
Note any acceleration problems.
4.
Press [Off].
5.
Note any deceleration problems.
If acceleration problems were encountered
•
If warnings or alarms occur, see
•
Check that motor data is entered correctly
•
Increase the ramp-up time accel time in
3-41 Ramp 1 Ramp-up Time
•
Increase current limit in
4-18 Current Limit
•
Increase torque limit in
4-16 Torque Limit Motor
Mode
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 adjustable
frequency drive after a trip.
NOTE!
to
3.3 Basic Operational Programming
conclude the procedures for applying power to the
adjustable frequency drive, basic programming, set-up and
functional testing.
3.5 System startup
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 are 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 adjustable frequency drive
and all programming 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
Startup and Commissioning
VLT
®
HVAC Drive D-Frame
Instruction Manual
3-4
MG16D222 - VLT
®
is a registered Danfoss trademark
3
3
