Checking Motor Rotation; Local-Control Test; System Start-Up - Danfoss VLT HVAC Drive FC 102 Operating Instructions Manual

Commissioning
compares the motor characteristics with the
entered nameplate data.
•
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 [2] Enable reduced AMA.
•
If warnings or alarms occur, see
chapter 7 Diagnostics and Troubleshooting.
•
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 parameter 1-29 Automatic Motor
Adaptation (AMA) and press [OK].
5. Select [1] Enable complete AMA and press [OK].
6. Follow the on-screen instructions.
7. The test runs automatically and indicates when it
is complete.
8. The advanced motor data is entered in parameter
group 1-3* Adv. Motor Data.

5.5 Checking Motor Rotation

NOTICE!
Risk of damage to pumps/compressors caused by motor
running in wrong direction. Before running the
adjustable frequency drive, check the motor rotation.
The motor runs briefly at 5 Hz or the minimum frequency
set in parameter 4-12 Motor Speed Low Limit [Hz].
1. Press [Main Menu].
2. Scroll to parameter 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.
MG16I322
Operating Instructions
NOTICE!
To change the direction of rotation, remove power to the
adjustable frequency drive and wait for power to
discharge. Reverse the connection of any two of the
three motor wires on the motor or adjustable frequency
drive side of the connection.

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 Warnings and
Alarm Definitions - Active Filter for resetting the adjustable
frequency drive 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 chapter 7.3 Warning and
Alarm Definitions for Frequency Converter or
chapter 7.4 Warnings and Alarm Definitions - Active Filter.
Danfoss A/S © 04/2015 All rights reserved.
Press [Hand On] to provide a local start command
to the adjustable frequency drive.
Accelerate the adjustable frequency drive 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 the sound and vibration levels of the
motor to ensure that the system is working as
intended.
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