Grundfos RSI - Page 126

Group 3.24.4: Mode 2 Sensorless parameters
Code Parameter Min Max Unit Default ID Description
P3.24.4.1 AC On Frequency 20.00 50.00 Hz 25.00 1975
AC relay is switched On if
motor frequency stays
below threshold, for delay
time.
P3.24.4.2 AC On Delay 1 180 s 30 1976
AC relay is switched On if
motor frequency stays
below threshold, for delay
time.
P3.24.4.3 DC Check Reference 20.00 50.00 Hz 30.00 1978
Frequency reference at
which DC voltage is
checked, for possible
switching Off.
P3.24.4.4 DC Check Period 1 180 min 20 1979
Time for periodic DC
voltage check, at reduced
frequency.
P3.24.4.5 DC Check Stabiliz. Time 1 30 s 5 1983
DC voltage must stay
above the threshold for
this time (both at maximum
and reduced speed), to
activate AC switching Off.
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