![Danfoss VLT HVACDrive Instruction Manual Download Page 126](http://html1.mh-extra.com/html/danfoss/vlt-hvacdrive/vlt-hvacdrive_instruction-manual_3860104126.webp)
[0] *
Disabled
Disabled [0]
: Work Point Calculation not active. To be used if speed at design point is known (see
table above).
[1]
Enabled
Enabled [1]
: Work Point Calculation is active. Enabling this parameter allows the calculation of the
unknown System Design Working Point at 50/60 Hz speed, from the input data set in
par. 22-83
.
22-83 Speed at No-Flow [RPM]
Range:
Function:
Application
dependent*
[Application dependant]
22-84 Speed at No-Flow [Hz]
Range:
Function:
Application
dependent*
[Application dependant]
22-85 Speed at Design Point [RPM]
Range:
Function:
Application
dependent*
[Application dependant]
22-86 Speed at Design Point [Hz]
Range:
Function:
Application
dependent*
[Application dependant]
22-87 Pressure at No-Flow Speed
Range:
Function:
0.000 N/A* [Application dependant]
Enter the pressure H
MIN
corresponding to Speed at No Flow in Reference/Feedback Units.
Please see also
par. 22-82 Work Point Calculation
point D.
7 How to Program the Adjustable Frequency
Drive
VLT
®
HVAC Drive Instruction Manual
7-48
MG.11.AB.22 - VLT
®
is a registered Danfoss trademark
7