Danfoss VLT AQUA Instruction Manual page 145

VLT AQUA High Power Instruction Manual
22-23 No-Flow Function
Option:
[0] * OFF
[1] Sleep Mode
[2] Warning
[3] Alarm
22-24 No-Flow Delay
Range:
10 s* [1 - 600 s]
22-26 Dry Pump Function
Option:
[0] * OFF
[1] Warning
[2] Alarm
[3]
22-27 Dry Pump Delay
Range:
10 s* [0 - 600 s]
22-30 No-Flow Power
Range:
0.00 kW* [0.00 - 0.00 kW]
22-31 Power Correction Factor
Range:
100 %* [1 - 400 %]
22-32 Low Speed [RPM]
Range:
Application [Application dependant]
dependent*
Function:
Common actions for low power detection and low speed detection (Individual selections not possi-
ble).
Messages in the Local Control Panel display (if mounted) and/or signal via a relay or a digital output.
The adjustable frequency drive trips and the motor stays stopped until reset.
Function:
Set the time. Low Power/Low Speed must remain detected to activate signal for actions. If detection
disappears before the timer runs out, the timer will be reset.
Function:
Low Power Detection
must be Enabled (par. 22-21
No Flow Power Tuning
either par. 22-3*,
pump detection.
Messages in the Local Control Panel display (if mounted) and/or signal via a relay or a digital output.
The adjustable frequency drive trips and the motor stays stopped until reset.
Function:
Defines for how long the dry pump condition must be active before activating a warning or alarm.
Function:
Readout of calculated no-flow power at actual speed. If power drops to the display value, the ad-
justable frequency drive will consider the condition as a no-flow situation.
Function:
Make corrections to the calculated power at par. 22-30
If No Flow is detected when it should not be detected, the setting should be decreased. However,
if No Flow is not detected when it should be detected, the setting should be increased to above
100%.
Function:
®
MG.20.P3.22 - VLT is a registered Danfoss trademark
5 How to program the adjustable frequency
Low Power Detection
) and commissioned (using
Low Power Auto Set-up
, or par. 22-20
No-Flow Power .
drive
5
) in order to use dry
5-39