Danfoss VLT HVAC Drive Instruction Manual page 94

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6. How to program the adjustable frequency
drive
22-24
Value:
0-600 sec.
Function:
Set the time. Low Power/Low Speed must stay
detected to activate signal for actions. If de-
tection disappears before the timer runs out,
the timer will be reset.
22-26
Value:
6
Off
Warning
Alarm
Function:
Low Power Detection
22-21) and commissioned (using either par.
22-3*,
Up
, Par. 22-20) in order to use dry pump
detection.
Warning: Messages in the local control panel
display (if mounted) and/or signal via a relay
or a digital output.
Alarm: The adjustable frequency drive trips
and the motor stays stopped until reset.
22-40
Value:
0 - 600 s
Function:
Set the desired minimum running time for the
motor after a Start command (digital input or
bus) before entering Sleep Mode.
22-41
Value:
0 - 600 s
94
No-Flow Delay
Dry Pump Function
must be enabled (par.
No-Flow Power Tuning
, or
Auto Set-
Minimum Run Time
Minimum Sleep Time
MG.11.A4.22 - VLT
Function:
Set the desired minimum time for remaining
in sleep mode. This will override any wake-up
conditions.
10 sec.
22-42
Wake-Up Speed [RPM]
Value:
par. 4-11 (Motor Speed Low Limit) - Par.
4-13 (Motor Speed High Limit)
Function:
To be used if par. 0-02,
been set for RPM (parameter not visible if Hz
selected). Only to be used if par. 1-00,
figuration Mode
[0]
speed reference is applied by an external con-
[1]
troller.
[2]
Set the reference speed at which the Sleep
Mode should be cancelled.
22-60
Broken Belt Function
Value:
Disabled
Warning
Trip
Function:
Selects the action to be performed if the bro-
ken belt condition is detected
10 s
22-61
Broken Belt Torque
Value:
0 - 100%
Function:
Sets the broken belt torque as a percentage
of the rated motor torque.
10 s
®
is a registered Danfoss trademark
VLT
®
HVAC Drive Instruction Manual
Motor Speed Unit
, has
Con-
, is set for open-loop and
[0]
[1]
[2]
10%

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