Pontos AquaCycle 3000-3 Instructions De Montage page 68

Tighten the compression fitting by hand.
Interconnect stage 3 and 2 for supply of the consumers and connect the
level sensor system of stage 2.
Pump P2.1 connection and
air pump V2.2 connection.
Level electrodes (L002) connection.
Attend to the potential equalization between stage 2 and 3 by
connecting B2.2 and B3.2.
Lay the cable harness for supply of the remaining stage in the cable duct
and close the cable duct with the cover.
25012008/AV/Draft 21