Zehnder Pumpen Kompaktboy Duplex 1,1 D 400V Mode D'emploi page 60

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For proper functionality of the automatic level switch, venting of the collecting tank over
the roof and proper installation of the control line is decisive. The control line has to be
laid rising steadily from the collecting tank to the control. No condensed water may ac-
cumulate in the control line!
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We recommend the connection of a mains-independent alarm trigger which also trig-
gers an alarm in case of power failure. The additional module is stocked under the
article number: 13001.
If, due to a malfunction on the pump, for example, it comes to a build-up of the waste
water in the collecting tank, the alarm buzzer will trigger. The sound pressure level of the
internal alarm buzzer is 85 dBA. Potential-free alarm contact are available in the control.
Here additional alarm equipment (bell, horn et cetera) can be connected.
With the button "Manual operation", the pump can be switched on independently of the
automatic control. However, this may be carried only for a short time in case of alarm due
Functional principle of the level control
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