Checking Motor Rotation; Local-Control Test; System Start-Up - Danfoss VLT AQUA FC 202 Operating Instructions Manual

Commissioning

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 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.
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.

5.6 Local-control Test

1. Press [Hand On] to provide a local start command
to the frequency converter.
2. Accelerate the frequency converter 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]. Note any deceleration problems.
In the event of acceleration or deceleration problems, see
chapter 7.5 Troubleshooting. See chapter 7.4 List of Warnings
and Alarms for resetting the frequency converter after a
trip.
MG20MB02
Operating Instructions

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 Types or chapter 7.4 List of Warnings and Alarms.
Danfoss A/S © Rev. 05/2014 All rights reserved.
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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