Kessel Aqualift F Comfort 400V Instruction Pour Le Montage page 39

3.3 Connecting the level detector
3.3.1 Pressure sensor (option)
If it is planned to use a pressure sensor to determine the current
level, connect the sensor as follows:
• Push the pressure pipe of the pressure sensor onto the
connection nipple of the pressure-pipe connection <17> and
secure it with the clamping nut.
• If necessary, integrate a connection for a compressor into the
pressure pipe.
3.3.2 Float switches (option)
If it is planned to use float switches to determine the current level, connect the switches as follows:
The various connection possibilities can be found as follows, depending on the unit type:
Aqualift F Mono 400V
Aqualift F Mono 400V ATEX
Aqualift F Duo 400V
Aqualift F Duo 400V ATEX
3.3.3 Membrane switches (option)
Proceed as described under Section 3.3.2.
3.3.4 Level sensor (option)
Proceed as described under Section 3.3.2.
3.4 Initial start-up
A dry run of the pump(s) must be avoided without fail. Tip: Before connecting the mains voltage, fill the
wastewater container with water so that the pump(s) cannot run dry if they should be switched on
accidentally (e.g. incorrect connection of a level sensor).
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3 Assembly
See Section
7.2.1
7.2.2
7.2.3
7.2.4
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