Fig. 20: Direction of rotation of the pump
▪
Direction of rotation of the pump:
Check the direction of rotation of the pump at the screw plug; correct the
direction of rotation by interchanging two phases at the motor lead, if necessary.
The correct direction of rotation is indicated on the name plate.
Function and leak testing
NOTE
A sensor fault may be displayed when the lifting unit has not been filled yet. It will
disappear after the lifting unit has been filled.
The manual-0-automatic switch must be set to "Automatic".
Test-run the lifting unit for several fill and pump-off cycles and check the proper
function and leak-free operation of the lifting unit, using the checklist provided.
(
6.3.2.1
Using additional functions
6.3.2.1.1 Functional check run
For pumps with long idle periods, a functional check run can be activated at
parameter 3-7-1. The functional check run is carried out weekly for a duration of
three seconds.
6.3.2.1.2 External alarm input
A NO contact can be connected to LevelControl Basic 2 as external alarm. If the
contact is activated, alert A10 is displayed and the pumps are stopped.
6.3.2.1.3 Fault signalling contact
For fault signalling, a relay contact is available as changeover contact. The NC contact
is closed in the event of a fault.
6.3.2.1.4 External acknowledgement input
A push-button for external acknowledgement can be connected to the Ack terminals.
6.3.2.1.5 Output for horn or signal light
A horn or signal light 12 V DC, max. 200 mA, can be connected.
Functional test
Ext
Alarm
Ack
6 Commissioning/Start-up/Shutdown
mini-Compacta
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