Make sure to fix resin case of floor unit with theside of drain trap on the wall when fixing one.Failure to follow this instruction may causedifficulty to close the top panel.CAUTIONAlways make sure that there is no gap between the sash and the floor surface.If there is a large gap between the sash and the floor panel, check for the adjuster hitting the bottom.Fitting the floor unit into the floor Long nutLevel adjusterResin caseBury frame or reinforcement frame* Hold here.14Fastening floor unitApply machine screws to the resin case of the floorunit and fasten the screws to fit the case to the buryframe or the reinforcement frame. (12 points)Fasten the unit from the drain trap side as shown inthe image below.If a screw is difficult to turn into the rafter, orient thescrew obliquely downward to fix.[Mortar Bury Method][Composite Panel Platform Method]Decorative floor panelMortarbury frame resin case of floor unitDecorative floor panel3235subflooring materialRafter for mounting (45 mm square) resin case of floor unitMachine screws for use (packaged with floor unit)ø3.8 x 32 Coarse-led (SUS).Machine screws for use (packaged with floor unit)ø3.8 x 51 Coarse-led (SUS).Machine screws SashTouch theunit to the wall.FloatingNo gapfinishing material24 30Cap nutHold the rotational shaft of the top panel swing and thesash, and then fit the floor unit into the following parts;Mortar bury method; bury frameReinforcement composite panel platform method;reinforcement frameTo hold the rotational shaft which close to the center, youcan insert slowly and stably to the bury frame orreinforcement frame.Use a Cap Nut for adjustment of adjuster.POINT 1POINT 2Rotational shaftCAUTIONDrain trapSash