22-22 Low Speed Detection
Option: Function:
[0]
*
Disabled
[1] Enabled Select Enabled for detecting when the motor operates with a
speed as set in par. 4-11 or 4-12,
Motor Low Limit
.
22-23 No-Flow Function
Option: Function:
[0]
*
Off
[1] Sleep Mode
[2] Warning
[3] Alarm Common actions for Low Power Detection and Low Speed De-
tection (Individual selections not possible).
Warning: Messages in the Local Control Panel display (if moun-
ted) and/or signal via a relay or a digital output.
Alarm: The frequency converter trips and motor stays stopped
until reset.
22-24 No-Flow Delay
Range: Function:
10 sec.
*
[0-600 sec.] Set the time Low Power/Low Speed must stay detected to acti-
vate signal for actions. If detection disappears before run out of
the timer, the timer will be reset.
22-26 Dry Pump Function
Option: Function:
[0]
*
Off
[1] Warning
[2] Alarm
Low Power Detection
must be Enabled (par. 22-21) and com-
missioned (using either par. 22-3*,
No Flow Power Tuning
, or
Auto Set-Up
, Par. 22-20) in order to use Dry Pump Detection.
Warning: Messages in the Local Control Panel display (if moun-
ted) and/or signal via a relay or a digital output.
Alarm: The frequency converter trips and motor stays stopped
until reset.
22-27 Dry Pump Delay
Range: Function:
60 sec.
*
[0-600 sec.] Defines for how long the Dry Pump condition must be active
before activating Warning or Alarm
2.19.2. 22-3* No-Flow Power Tuning
Tuning Sequence, if not choosing
Auto Set Up
in par. 22-20:
2. Parameter Description VLT
®
AQUA Drive Programming Guide
198
MG.20.O2.02 - VLT
®
is a registered Danfoss trademark
2
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