NOTE!
The AMA algorithm does not work when using PM motors.
To run AMA
1.
Press [Main Menu] to access parameters.
2.
Scroll to parameter group
1-** Load and Motor
.
3.
Press [OK].
4.
Scroll to parameter group
1-2* Motor Data
.
5.
Press [OK].
6.
Scroll to
1-29 Automatic Motor Adaptation (AMA)
.
7.
Press [OK].
8.
Select
[1] Enable complete AMA
.
9.
Press [OK].
10.
Follow on-screen instructions.
11.
The test will run automatically and indicate when
it is complete.
3.5 Check Motor Rotation
Before running the adjustable frequency drive, check the
motor rotation. The motor will run briefly at 5 Hz or the
minimum frequency set in
4-12 Motor Speed Low Limit [Hz]
.
1.
Press [Quick Menu].
2.
Scroll to
Q2 Quick Set-up
.
3.
Press [OK].
4.
Scroll to
1-28 Motor Rotation Check
.
5.
Press [OK].
6.
Scroll to
[1] Enable
.
The following text will appear:
Note! Motor may run in
wrong direction
.
7.
Press [OK].
8.
Follow the on-screen instructions.
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 cables on the motor or adjustable frequency drive
side of the connection.
3.6 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 is 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
Start-up and Functional Tes...
VLT
®
Refrigeration Drive Instruction Manual
3-10
MG16J122 - VLT
®
is a registered Danfoss trademark
3
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