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