Grundfos RSI - Page 122

8.1.17 Group 3.21: Pump Control
Group 3.21.1: Auto-Cleaning
The Auto-cleaning function is used to remove any dirt
or other material that may have attached to the pump
impeller. Auto-cleaning is used e.g. in wastewater
systems to keep up the performance of the pump.
Auto Cleaning function can also be used to clear the
blocked pipe or valve.
Code Parameter Min Max Unit Default ID Description
P3.21.1.1 Clean Function 0 1 0 1714
0 = Disabled
1 = Enabled
P3.21.1.2 Clean Activation DigIN Slot0.1 1715
Digital input signal used to start
the Auto Cleaning sequence.
Auto-cleaning sequence will be
aborted if activation signal is
removed before the sequence has
been completed.
Note: The drive will start if the
input is activated!
P3.21.1.3 Clean Cycles 1 100 5 1716
Number of forward/reverse
cleaning cycles.
P3.21.1.4 Clean Forward Freq. 0.00 50.00 Hz 45.00 1717
Forward direction frequency in
Auto-cleaning cycle.
P3.21.1.5 Clean Forward Time 0.00 320.00 s 2.00 1718
Running time for forward direction
frequency in Auto-cleaning cycle.
P3.21.1.6 Clean Reverse Freq. 0.00 50.00 Hz 45.00 1719
Reverse direction frequency in
Auto-cleaning cycle.
P3.21.1.7 Clean Reverse Time 0.00 320.00 s 0.00 1720
Running time for reverse direction
frequency in Autocleaning cycle
P3.21.1.8 Clean Acceleration
Time
0.1 300.0 s 0.1 1721
Motor acceleration time when
Auto-cleaning is active
P3.21.1.9 Clean Deceleration
Time
0.1 300.0 s 0.1 1722
Motor deceleration time when
Auto-cleaning is active
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