Danfoss VLT AQUA Instruction page 134

6 How to Program the Low Harmonic Drive
22-84 Speed at No-Flow [Hz]
Range:
Application [Application dependant]
dependent*
22-85 Speed at Design Point [RPM]
Range:
Application [Application dependant]
dependent*
6
22-86 Speed at Design Point [Hz]
Range:
Application [Application dependant]
dependent*
22-87 Pressure at No-Flow Speed
Range:
0.000* [Application dependant]
Please also see par. 22-82
22-88 Pressure at Rated Speed
Range:
999999.999 [Application dependant]
*
22-83 Speed at No-Flow [RPM]
Range:
Application [Application dependant]
dependent*
Please also see par. 22-82
6-42
Function:
Resolution 0.033 Hz.
The speed of the motor at which flow has effectively stopped and minimum pressure H
should be entered here in Hz. Alternatively, the speed in RPM can be entered in par. 22-83
at No-Flow [RPM]
par. 22-86
speed until minimum pressure H
Function:
Resolution 1 RPM.
Only visible when par. 22-82
which the system design working point is achieved should be entered here in RPM. Alternatively,
the speed in Hz can be entered in par. 22-86
use RPM in par. 0-02
used.
Function:
Resolution 0.033 Hz.
Only visible when par. 22-82
which the system design working point is achieved should be entered here in Hz. Alternatively, the
speed in RPM can be entered in par. 22-85
use Hz in par. 0-02
Function:
Enter the pressure H
Work Point Calculation
point D.
Function:
Enter the value corresponding to the Pressure at Rated Speed, in Reference/Feedback Units. This
value can be defined using the pump datasheet.
Function:
Resolution 1 RPM.
The speed of the motor at which the flow is zero and the minimum pressure H
be entered here in RPM. Alternatively, the speed in Hz can be entered in par. 22-84
Flow [Hz] . If it has been decided to use RPM in par. 0-02
at Design Point [RPM]
pressure H
MIN
Work Point Calculation point C.
MG.20.T1.22 - VLT
VLT AQUA Low Harmonic Drive Instruction
. If it has been decided to use Hz in par. 0-02
Speed at Design Point [Hz]
should also be used. Closing the valves and reducing the
is achieved will determine this value.
MIN
Work Point Calculation
Speed at Design Point [Hz]
Motor Speed Unit
, then par. 22-83
Work Point Calculation
Speed at Design Point [RPM]
Motor Speed Unit
, then par. 22-83
corresponding to Speed at No Flow in Reference/Feedback Units.
MIN
should also be used. Closing the valves and reducing the speed until minimum
is achieved will determine this value.
®
is a registered Danfoss trademark
is achieved
MIN
Motor Speed Unit
is set to Disable . The speed of the motor at
. If it has been decided to
Speed at No-Flow [RPM]
should also be
is set to Disable . The speed of the motor at
. If it has been decided to
Speed at No-Flow [RPM]
should also be used.
is achieved should
MIN
Speed at No-
Motor Speed Unit , then par. 22-85
Manual
Speed
, then
Speed