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32 Installation and operating instructions • Wilo-Control SC2.0-Booster • Ed.01/2023-09
Fig.37: Settings→Monitoring settings→Dry
run 2/2 menu item
The settings for dry-running detection are made via the supply pressure sensor.
If the alarm threshold is fallen below and the delay time has elapsed, the dry-run alarm is
triggered.
After the reset threshold has been exceeded and the restart delay has elapsed, the alarm is
reset.
Fig.38: Settings→Monitoring setting-
s→Pump faults menu item
To suppress short-term faults, the delay time from the detection of the pump fault to the
triggering of the alarm can be set.
It can be set whether pump errors must be acknowledged manually or automatically.
If the pump error has been corrected, the system can restart itself with automatic acknow-
ledgement.
Fig.39: Settings→Monitoring settings→Sys-
tem start-up menu item
To avoid peak currents when several units start simultaneously, an additional waiting time
can be set after switching on the power supply until the first pump can start.
7.2.1.5 Control settings -> Additional set-
tings menu
Fig.40: Settings→Additional settings menu
item
Further functions for pump maintenance for long trouble-free operation of the system and
for adaptation to local conditions.
Fig.41: Settings→Additional settings→Suc-
tion mode menu item
“Suction mode” activates the immediate restart after acknowledgement of a dry-run alarm
without taking the set restart time into account.
This mode can be helpful for systems with a break tank if the pumps have to suck in the wa-
ter before pressure can be generated.
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