Ramp 4: Slow Running Down Time; Maximum Frequency; Minimum Frequency - Xylem HYDROVAR Smart Bedienungsanleitung

7.7
Diagram: Ramp – Window
Press
7.8
The Hydrovar-Smart gives an analogue output signal of 0-10VDC as a speed signal, which is
connected to the frequency drive, where 0V corresponds to 0Hz and 10VDC corresponds to
the maximum frequency.
It is important that this values correspond with the values of the inverter.
Note: The setting of the Maximum frequency in the HYDROVAR-Smart has to
Press
7.9
Attention!: If there is set f>fmin in the parameter CONFIG. FMIN the pump will not stop in
the normal mode. It will keep running with the set minimum frequency.
!! Possibility of overheating of the pump !!
Press
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Ramp 4: Slow running down time:

RAMP 4
70 Sec
on the Hydrovar-Smart to change to

Maximum Frequency

MAX. FREQUENCY
50.0 Hz
be the same than in the connected VFD!
on the Hydrovar-Smart to change to

Minimum Frequency

MIN. FREQUENCY
0.0 Hz
on the Hydrovar-Smart to change to
manuals search engine
A too fast setting leads to oscillation
A too slow setting delays the switching off too much
Possible setting between 40 and 70 Hz.
Here you can set the minimum frequency between 0,0
and the Maximum frequency.
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