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Installation and operating instructions • Wilo-Control SC2.0-Booster • Ed.01/2023-09 31
Fig.32: Settings→Monitoring setting-
s→Maximum pressure 1/2 menu item
The relative pressure threshold refers to the current setpoint.
The corresponding absolute value is displayed on the right-hand side.
After the overpressure alarm has been triggered, the pressure must drop below the threshold
minus the hysteresis for the maximum pressure alarm to be reset.
Fig.33: Settings→Monitoring setting-
s→Maximum pressure 2/2 menu item
Exceeding the maximum pressure leads to a delayed switch-off of all pumps, according to
the value set at “Delay”.
Fig.34: Settings→Monitoring settings→Min-
imum pressure 1/2 menu item
The relative pressure threshold refers to the current setpoint.
The corresponding absolute value is displayed on the right-hand side.
After the low-pressure alarm has been triggered, the pressure must rise above the threshold
plus the hysteresis for the minimum pressure alarm to be reset.
Fig.35: Settings→Monitoring settings→Min-
imum pressure 2/2 menu item
Falling below the minimum pressure leads to a delayed reaction of the system, according to
the set value.
If the pumps continue to run, the fault is automatically acknowledged.
If the pumps are stopped, the fault must be acknowledged manually.
Fig.36: Settings→Monitoring settings→Dry
run 1/2 menu item
The dry-running protection monitors the supply pressure via sensor and an optional pressure
switch and serves to protect the pumps.
The alarm is triggered with a delay according to the set time.
When the pressure has risen above the dry-run threshold again and the set restart delay has
elapsed, the pumps are restarted.
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