6D-dimensionA-dimensionMarking linesMirrorMarking (Installation position)CAUTIONPreparation Before Installation Of Floor Unit■ Mortar Bury MethodMarkingMark the floor level (F.L.) and the mortar finish level ( ).Always ensure the gradient of drain line according tothe number of units to be installed as shown on page4.Installation of formInstall a wooden form for pouring mortar.Align the center of form and floor unit marked in Step 2, and then install those.● Horizontal plumbing Keep 120 mm or more of thedrainpipe as margin.FormDrainpipe120 mm or more● Vertical plumbingForm170 mm or more(Mortar finish level)CAUTIONCAUTIONCAUTIONMake sure that the drainpipe does not have double trapping.Drain failure or abnormal noises may occur.WallKeep 120 mm or less ofdrainpipe from floor level.There are two preparation methods for installation; "Mortar Bury Method" and "Composite Panel Platform Method".Select either of the methods according to the installation site conditions.Refer to the following procedure for Mortar Bury Method, and refer to page 9 for Composite Panel Platform Method.In the case of the mortar bury method, a wooden form and a bury frame (ouroptional item) are required.Refer to the Chair Correlation Dimension (on pages 30to 34) and mark the position to place the floor unit.(The A-dimension and the D-dimension depend on thechair to use and the reclined posture.)Rule lines as many as possible so that you can see thelayout of the water supply Pipe, the hot water supplyPipe and the drainpipe and the floor unit position.Consider the thickness of the decorative mortarwhen the floor panel thickness is determined if floorpanels are not laminated but the floor is finishedwith mortar.Thickness of the floor panel/thickness of thedecorative mortarF.LF.LF.LSeat sideSeat side120 mm or less