Page 30© Baxi Heating U.K. Limited 2010.8. Drill a hole into the fireplace floor througheach of the two holes in the base of theconvection box using a suitably sizedmasonry drill for the fibre / wooden plugssupplied (See figure 22).9. Insert a fibre / wooden plug into each hole.Use the fibre / wooden plugs supplied withthis appliance - Never use plastic plugsinstead of the fibre / wooden plugssupplied. Fit a wood screw in each plug andtighten.Always screw the base into positionbefore applying tension to the cables. This willensure a tight seal between the top of theconvection box and wall.10. Fit a cable retainer over the bottom end ofeach cable (See figure 23).11. Pull each cable taut. Push the cable retainershard up against the convection box flanges.Tighten the screws in the retainers so that theyclamp the cables in position. Apply tension to thecables by turning the hexagonal adjusters by hand(See figure 23).12. Inspect the installation of the convection boxagainst the fireplace surround. If the convectionbox is aligned squarely and the sealing issatisfactory, fully tighten the cable retainers.13. Push the free length of the cablesthrough the adjacent holes in the convectionbox so that they are available to allow easyremoval and refitting of the appliance duringsubsequent service calls (See figure 23).10.3 Floor sealing.Using the floor sealing tape supplied, sealthe bottom of the convection box to thefireplace and hearth floor (See figure 24). DONOT COVER THE INFORMATION LABEL.10.4 Sealing convection box holes.The rear, inner sides and front flanges of the convection box have small holes andopenings that will allow room air to pass into the fireplace opening / flue box opening.Although these holes are no cause for concern it is important to seal them to optimisethe performance of the fire. An additional length of tape is supplied with the fire, useINSTALLER GUIDEFigure 24Figure 23.Figure 22.