Danfoss VLT HVAC, Инструкция по эксплуатации, Страница: 48 / 156

Stop the AMA during operation.
1. Press the [OFF] key. The adjustable frequency drive enters into alarm mode and the
display shows that the AMA was terminated by the user.
Successful AMA
1. The display shows “Press [OK] to finish AMA.”
2. Press the [OK] key to exit the AMA state.
Unsuccessful AMA
1. The adjustable frequency drive enters into alarm mode. A description of the alarm can
be found in the
Troubleshooting section.
2. "Report Value” in the [Alarm Log] shows the last measuring sequence carried out by the
AMA before the adjustable frequency drive entered alarm mode. This number, along with
the description of the alarm, will assist in troubleshooting. If contacting Danfoss Service,
make sure to mention the number and alarm description.
NOTE
An unsuccessful AMA is often caused by incorrectly entered motor name plate data
or too big of a difference between the motor and the adjustable frequency drive
power sizes.
Step 4. Set speed limit and ramp time
Set up the desired limits for speed and ramp
time.
Minimum Reference par. 3-02
Maximum Reference par. 3-03
Motor Speed Low Limit par. 4-11 or 4-12
Motor Speed High Lim-
it
par. 4-13 or 4-14
Ramp-up Time 1 [s] par. 3-41
Ramp-down Time 1 [s] par. 3-42
See the section How to program the adjustable frequency drive, quick menu mode for an easy
set-up of these parameters.
4. Electrical installation VLT ® HVAC Drive Instruction Manual
48
MG.11.A4.22 - VLT
®
is a registered Danfoss trademark
4