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7.8
Activate / deactivate dry running detection
By pressing the button at the same time,
is activated or deactivated.
1. Remove any BIM
2. Switch on pump
3. Ensure that the pump is not on «stop» operation
4. Make sure there is no current flow through the pump
5. Deactivate the key lock
6.
7. If the impeller turns two segments, dry running operation is deactivated / if the impeller turns one
segment, dry running operation is activated.
8. Module or external signals can be connected again.
If the pump is really running dry for deactivated dry running detection, it will not
register an error and may run defectively.
Dry running detection can only be deactivated if the pump is running in fault-free
operation and no Biral Interface Module (BIM) is plugged in.
,
and
(for 10 seconds) the dry running detection
Press all three buttons for 10 seconds (10 seconds
corresponds with 8 – 9 rotations of the impeller)
A short interruption when pressing can lead to the key
lock being switched on or the pump being switched to
«stop» operation
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