Danfoss VLT FC 100 Series Programming Guide

22-83 Speed at No-Flow [RPM]
Range: Function:
300 RPM * [0-Value of par. 22-85]
Resolution 1 RPM.
The speed of the motor at which flow Is zero and minimum pressure H
MIN
is achieved should be entered here
in RPM. Alternatively, the speed in Hz can be entered in par 22-84
Speed at No-Flow [Hz] . If it has been decided
to use RPM in par. 0-02 then par. 22-85
Speed at Design point [RPM] should also be used. Closing the valves
and reducing the speed until minimum pressure H
MIN
is achieved will determine this value.
22-84 Speed at No-Flow [Hz]
Range: Function:
10 Hz * [0 - Value of par. 22-86]
Resolution 0.033 Hz.
The speed of the motor at which flow has effectively stopped and minimum pressure H
MIN
is achieved should be
entered here in Hz. Alternatively, the speed in RPM can be entered in par. 22-83 Speed at No-Flow [RPM]. If it
has been decided to use Hz in par. 0-02 then par. 22-86 Speed at Design point [Hz] should also be used. Closing
the valves and reducing the speed until minimum pressure H
MIN
is achieved will determine this value.
22-85 Speed at Design Point [RPM]
Range: Function:
1500 RPM * [0 - 60,000]
Resolution 1 RPM.
Only visible when par. 22-82 Work Point Calculation, is set to
Disable . The speed of the motor at 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 Speed at Design Point [Hz]. If it has been decided to use RPM in par. 0-02 then par. 22-83 Speed
No Flow [RPM] should also be used.
22-86 Speed at Design Point [Hz]
Range: Function:
50 Hz * [0 - 1000 Hz]
Resolution 0.033 Hz.
Only visible when par. 22-82, Work Point Calculation, is set to
Disable . The speed of the motor at 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 Speed at Design Point [RPM]. If it has been decided to use Hz in par. 0-02, then par. 22-83
Speed No Flow [Hz] should also be used.
22-87 Pressure at No-Flow Speed
Range: Function:
0 Reference/ Feedback Units * [0 -
999999.999]
Enter the pressure H
MIN
corresponding to Speed at No Flow in Reference/Feedback Units.
3. Parameter Description VLT
®
HVAC Drive Programming Guide
186 MG.11.C5.02 - VLT
®
is a registered Danfoss trademark
3

Danfoss VLT FC 100 Series Specifications

General

Brand	Danfoss
Model	VLT FC 100 Series
Category	DC Drives
Language	English