Drilling the Ceiling/shelf and fixing the frame
DRILLING THE CEILING/SHELF � Use a plumb line to mark the centre of the hob on the ceiling/support shelf. � Place the drilling template 21 provided on the ceiling/support shelf, making sure that the template is in the correct position by lining up the axes of the template with those of the hob. � Mark the centres of the holes in the template. � Drill the holes at the points marked: � For concrete ceilings, drill for plugs appropriate to the screw size. � For hollow brick ceilings with wall thickness of 20 mm: drill ø 10 mm(immediately insert the Dowels 11 supplied). � For wooden beam ceilings, drill according to the wood screws used. � For wooden shelf, drill ø 7 mm. � For the power supply cable feed, drill ø 10 mm. � For the air outlet (Ducted Version), drill according to the diameter of the external air exhaust duct connection. � Insert two screws of the following type, crossing them and leaving 4-5 mm from the ceiling: � For concrete ceilings, use the appropriate plugs for the screw size (not provided). � for Cavity ceiling with inner space, with wall thickness of approx. 20 mm, Screws 12h, supplied. � For wooden beam ceilings, use 4 wood screws (not provided). � For wooden shelf, use 4 screws 12g with washers 22 and nuts 23, provided.
