Danfoss VLT HVAC Series Programming Manual page 232

3 Parameter Description
3
There are two methods which can be employed, depending upon whether or not the Speed at System design Working Point is known.
Parameter used
Flow Compensation, 22-80
Square-Linear Curve Approximation, 22-81
Work Point Calculation, 22-82
Speed at No Flow, 22-83/84
Speed at Design Point, 22-85/86
Pressure at No Flow, 22-87
Pressure at Rated Speed, 22-88
Flow at Design Point, 22-89
Flow at Rated Speed, 22-90
22-80 Flow Compensation
Option:
[0] * Disabled
[1] Enabled
22-81 Square-linear Curve Approximation
Range:
100 %* [0 - 100 %]
NOTE!
Please note: Not visible when running in cascade.
3-208
Speed at
Design Point
KNOWN
+
+
+
+
+
+
-
-
-
Function:
Disabled
[0] : Setpoint compensation not active.
Enabled
[1] : Setpoint compensation is active. Enabling this parameter allows the Flow Compensated
Setpoint operation.
Function:
Example 1:
Adjustment of this parameter allows the shape of the control curve to be adjusted.
0 = Linear
100% = Ideal shape (theoretical).
MG.11.C6.22 - VLT ® is a registered Danfoss trademark
VLT ® HVAC Drive Programming Guide
Speed at
Design Point Cascade Controller
UNKNOWN
+
+
+
+
-
+
+
+
+
+
-
-
-
-
+
-
-
-