Innova Srl
Page 11
N420220A_ManualeHRC_Rev07.EN
Sprinkle the hole made with cement mortar or
polyurethane foam.
Insert the telescopic tube inside the hole made and bring
the part of the tube with the largest diameter flush with
the external wall.
Move the part of the pipe with the smaller diameter,
bringing it flush with the internal wall (fig. 3)
Fig. 3 Positioning of the telescopic tube
Wait for the cement mortar or polyurethane foam to set.
Insert the grid in-out by compressing the springs on the
larger diameter tube towards the end of the core drilling
outwards.
Release and check the attachment of the grille.
-Insert the exchanger from the inside towards the end of
the tube with a smaller diameter.
Fig. 4 Positioning the external grill
Fig.5 Exchange insertion
