Checking Motor Rotation; Local-Control Test; System Start-Up - Danfoss VLT Refrigeration Drive FC 103 Operating Instructions Manual

Commissioning
motor characteristics with the data entered in
parameters 1-20 to 1-25.
•
The motor shaft does not turn and no harm is
done to the motor while running the AMA.
•
Some motors may be unable to run the complete
version of the test. In that case, select [2] Enable
reduced AMA.
•
If an output filter is connected to the motor,
select Enable reduced AMA.
•
If warnings or alarms occur, see chapter 7.4 List of
Warnings and Alarms.
•
Run this procedure on a cold motor for best
results.
To run AMA
1. Press [Main Menu] to access parameters.
2. Scroll to parameter group 1-** Load and Motor
and press [OK].
3. Scroll to parameter group 1-2* Motor Data and
press [OK].
4. Scroll to 1-29 Automatic Motor Adaptation (AMA)
and press [OK].
5. Select [1] Enable complete AMA and press [OK].
6. Follow on-screen instructions.
7. The test runs automatically and indicate when it
is complete.

5.5 Checking Motor Rotation

NOTICE
Risk of damage to pumps/compressors caused by motor
running in wrong direction. Before running the
frequency converter, check the motor rotation.
The motor runs briefly at 5 Hz or the minimum frequency
set in 4-12 Motor Speed Low Limit [Hz].
1. Press [Main Menu].
2. Scroll to 1-28 Motor Rotation Check and press
[OK].
3. Scroll to [1] Enable.
The following text appears: Note! Motor may run in wrong
direction.
4. Press [OK].
5. Follow the on-screen instructions.
NOTICE
To change the direction of rotation, remove power to
the frequency converter and wait for power to discharge.
Reverse the connection of any 2 of the 3 motor wires on
the motor or frequency converter side of the connection.
MG16E302
Operating Instructions

5.6 Local-control Test

1.
2.
3.
4.
In the event of acceleration or deceleration problems, see
chapter 7.5 Troubleshooting. See chapter 7.4 List of Warnings
and Alarms and chapter 7.4 List of Warnings and Alarms for
resetting the frequency converter after a trip.

5.7 System Start-up

The procedure in this section requires user-wiring and
application programming to be completed. The following
procedure is recommended after application set-up is
completed.
1.
2.
3.
4.
5.
If warnings or alarms occur, see or chapter 7.4 List of
Warnings and Alarms.
Danfoss A/S © Rev. 2014-02-06 All rights reserved.
Press [Hand On] to provide a local start command
to the frequency converter.
Accelerate the frequency converter by pressing
▲
[ ] to full speed. Moving the cursor left of the
decimal point provides quicker input changes.
Note any acceleration problems.
Press [Off]. Note any deceleration problems.
Press [Auto On].
Apply an external run command.
Adjust the speed reference throughout the speed
range.
Remove the external run command.
Check sound and vibration level of the motor to
ensure that the system is working as intended.
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