Indoor Unit Installation( )17 1116( )20 13161 Place the pattern sheet on the ceiling at the spot where you want toinstall the indoor unit.2 Insert bolt anchors, use existing ceiling supports or construct a suitablesupport as shown in figure.3 Install the suspension bolts depending on the ceiling type.4 Screw eight nuts to the suspension bolts making space for hangingthe indoor unit.5 Hang the indoor unit to the suspension bolts between two nuts.6 Screw the nuts to suspend the unit. Cut a pad stopper and place it on thebracket at this time.7 Adjust the unit to the appropriate position considering the installation area for the frontpanel.7-1 Place the pattern sheet on the indoor unit.7-2 Adjust a space between the ceiling and the indoor unit by using the gaugeof dimensions.7-3 Fix the indoor unit securely after adjusting level of the unit by using a leveler.7-4 Remove the pattern sheet, connect the other cables and install the front panel.Ensure that the ceiling is strong enough to supportthe weight of the indoor unit.Before hanging the unit, test the strength of eachattached suspension bolt.IMPORTANTYou must install the suspension bolts more than fourwhen installing the indoor unit.IMPORTANT Tubing must be laid and connected inside the ceiling whensuspending the unit. If the ceiling is already constructed, laythe tubing into position for connection to the unit beforeplacing the unit inside the ceiling.NN oo tt ee Since the diagram is made of paper, it may shrink or stretchslightly due to temperature or humidity. For this reason,before drilling the holes maintain the correct dimensionsbetween the markings; refer to page 34.NN oo tt eeConcreteSuspension bolt(M8)-field supplyHole in anchorHole in plugInsertCeiling supportUnit:mm(inch)CeilingIndoor UnitGauge ofDimensionsPad stopperBracketE-39ENGLISH