Operation Instruction & Installation25Samsung ElectronicsConcreteSuspension bolt(M8)-field supplyHole in anchorHole in plugInsertShippingblockCeiling supportRubberDrain hose portWhen the drain hose is installed to the right.3mm MH052FDEAIt is recommended to install the refnet joint before installing the indoor unit.1. Carefully remove the indoor unit from the packing case and pull out the shippingblock on the motor of the unit.2. Place the pattern sheet on the ceiling at the spot where you want to install the indoorunit.Note: Since the diagram is made of paper, it may shrink or stretch slightly due to temperatureor humidity. For this reason, before drilling the holes maintain the correct dimensionsbetween the markings; refer to page 6.3. Insert bolt anchors. Use existing ceiling supports or construct a suitable support asshown in figure.4. Install the suspension bolts depending on the ceiling type.IMPORTANT: • Ensure that the ceiling is strong enough to support the weight of theindoor unit.Before hanging the unit, test the strength of each attached suspension bolt.IMPORTANT: • If the length of suspension bolt is more than 1.5m, it is required to preventvibration.5. Screw eight nuts to the suspension bolts making space for hanging theindoor unit.IMPORTANT: • You must install the suspension bolts more than four when installing the indoorunit.6. Hang the indoor unit to the suspension bolts between two nuts.Note: Piping must be laid and connected inside the ceiling when suspending the unit. If theceiling is already constructed, lay the piping into position for connection to the unit beforeplacing the unit inside the ceiling.7. Screw the nuts to suspend the unit.8. Adjust level of the unit by using measurement plate for all 4 sides.Note: For proper drainage of condensate, give a 3mm slant to the left or right side of the unitwhich will be connected with the drain hose, as shown in the figure. Make a tilt when youwish to install the drain pump, too.