Danfoss VLT AQUA Programming Manual page 199

®
VLT AQUA Drive Programming Guide
1.
2.
3.
4.
5.
6.
7.
8.
9.
22-30 No-Flow Power
Range:
22-31 Power Correction Factor
Range:
100%
22-32 Low Speed [RPM]
Range:
0 RPM
22-33 Low Speed [Hz]
Range:
*
0 Hz
Close the main valve to stop flow
Run with motor until the system has reached normal operating temperature
Press Hand On button on the Local Control Panel and adjust speed for approx. 85% of
rated speed. Note the exact speed
Read power consumption either by looking for actual power in the data line in the Local
Control Panel or call par. 16-10 or 16-11,
Change speed to approx. 50% of rated speed. Note the exact speed
Read power consumption either by looking for actual power in the data line in the Local
Control Panel or call par. 16-10 or 16-11,
Program the speeds used in par. 22-32/22-33 and par. 22-36/37
Program the associated power values in par. 22-34/35 and par. 22-38/22-39
Auto On
Switch back by means of
NB!
Torque Characteristics
Set par. 1-03,
Function:
[Depends on the pow- Read out of calculated No Flow power at actual speed. If power
er size detection of drops to the display value the frequency converter will consider
No-Flow] the condition as a No Flow situation.
Function:
[1-400%] Make corrections to the calculated power at No Flow Detection
(see par. 22-30).
If No Flow is detected the setting should be increased to above
100%. If however No Flow is not detected the setting should be
decreased.
Function:
[0.0 - par. 4.13 (Motor To be used if par. 0-02,
High Speed Limit)] (parameter not visible if Hz selected).
Set used speed for the 50% level.
This function is used for storing values needed to tune No Flow
Detection.
Function:
[0.0 - par. 4-14 (Mo- To be used if par. 0-02,
tor High Speed Limit)] (parameter not visible if RPM selected).
Set used speed for the 50% level.
The function is used for storing values needed to tune No Flow
Detection.
®
MG.20.O2.02 - VLT is a registered Danfoss trademark
Power
, in Main Menu. Note the power read out
Power
, in Main Menu. Note the power read
Off
or
, before tuning takes place.
Motor Speed Unit
Motor Speed Unit
2. Parameter Description
, has been set for RPM
, has been set for Hz
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