22-41 Minimum Sleep Time
Range:
Function:
10 s
*
[0 - 600 s] Set the desired minimum time for staying in
sleep mode. This setting overrides any wake-
up conditions.
22-42 Wake-up Speed [RPM]
Range:
Function:
Size
related
*
[ par.
4-11 -
par. 4-13
RPM]
To be used if
parameter 0-02 Motor Speed
Unit
has been set for RPM (parameter not
visible if Hz is selected). Only to be used if
parameter 1-00 Configuration Mode
is set for
open-loop and an external controller
applies speed reference.
Set the reference speed at which the sleep
mode should be cancelled.
22-60 Broken Belt Function
Selects the action to be performed if the broken belt condition is
detected
Option:
Function:
[0]
*
OFF
[1]
Warning The adjustable frequency drive continues to run
but activates a broken belt warning [W95]. An
adjustable frequency drive digital output or a
serial communication bus can communicate a
warning to other equipment.
[2]
Trip
The adjustable frequency drive stops running and
activates a broken belt alarm [A 95]. An
adjustable frequency drive digital output or a
serial communication bus can communicate an
alarm to other equipment.
NOTICE!
Do not set
parameter 14-20 Reset Mode
, to
[13] Infinite
auto reset
, when
parameter 22-60 Broken Belt Function
is
set to
[2] Trip
. Doing so causes the adjustable frequency
drive to continuously cycle between running and
stopping when a broken belt condition is detected.
NOTICE!
For adjustable frequency drives with constant-
speed bypass
If an automatic bypass function starts the bypass at
persistent alarm conditions, disable the bypass’s
automatic bypass function if
[2] Alarm
or
[3] Man. Reset
Alarm
is selected as the dry-pump function.
22-61 Broken Belt Torque
Range:
Function:
10 %
*
[0 - 100 %]
22-62 Broken Belt Delay
Range:
Function:
10 s [0 - 600
s]
Sets the time for which the broken-belt
conditions must be active before carrying out
the action selected in
22-75 Short Cycle Protection
Option:
Function:
[0]
*
Disabled Timer set in
parameter 22-76 Interval between
is disabled.
[1]
Enabled Timer set in
parameter 22-76 Interval between
is enabled.
22-76 Interval between Starts
Range:
Function:
Size
related
*
[ par. 22-77
- 3600 s]
Sets the time desired as minimum
time between two starts. Any
normal start command (start/jog/
freeze) is disregarded until the timer
has expired.
22-77 Minimum Run Time
Range:
Function:
0 s
*
[ 0 - par.
22-76 s]
NOTICE!
Does not work in cascade mode.
Sets the time desired as minimum run time
after a normal start command (start/jog/freeze).
Any normal stop command is disregarded until
the set time has expired. The timer starts
counting following a normal start command
(start/jog/freeze).
A coast (inverse) or an external interlock
command overrides the timer.
How to Program
VLT
®
HVAC Drive FC 102
106
Danfoss A/S © 08/2014 All rights reserved.
MG11F522
6
6
Summary of Contents for VLT HVAC Drive FC 102
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