11. CONVECTION BOX INSTALLATION11.1 Method 1 - Front fixing to fireplace surround.1. Make sure that the fireplace front surround area is sound enough to take the fibreplugs and wood screws. If necessary, makesound with suitable cement.2. Place the convection box centrally in thefireplace in the position in which it is to bepermanently installed. Insert the convectionbox into the fireplace feeding the supply pipethrough the pierced hole in the rear grommet.3. Mark the fireplace front surround throughthe seven fixing holes in the side flanges ofthe convection box (See figure 17).4. Remove the convection box. Drill fourholes in the fireplace front surround at themarked positions using a suitably sizedmasonry drill for the fibre plugs supplied.5. Insert a fibre plug into each hole.6. Place the convection box back in positionin the fireplace.7. Fit a wood screw through each hole in theconvection box flanges and tighten to seal the box to the fireplace surround.11.2 Method 2 - Cable retention and floor fixing.1. Make sure that the relevant areas at the fireplace back and floor are sound enoughto take the eyebolts and screws. If these areas have deteriorated due to prolongeduse they should be made sound with suitable cement.2. Drill four holes in the rear wall of the fireplace for the fibre plugs. The holes shouldbe drilled within the range of positions shown in figure 18 using a suitably sizedmasonry drill for thefibre plugs supplied.The holes should beequidistant each sideof the centre line ofthe fireplace toensure that theappliance finishescentrally in theopening whentension is applied tothe cables.INSTALLER GUIDEFigure 17. Front fixing© Baxi Heating U.K. Limited 2009. Page 25Figure 18. Eyebolt positions