Thomas CentraClean 15-301 Mode D'emploi page 33

Note:
The connection pipe has to be appropriately lengthened for fitted
kitchens with an installation depth of more than 60 cm.
The connection pipe axis is to be located s. degree D away from the
position of the automatic dustpan to the left and right.
Plastic model
The connection pipe must be sealed airtight with a blind plug if the
automatic dustpan is to be fitted at a later point in time than the
other vacuum sockets.
Model Stainless Steel
33