27ENGLISHConnecting the drain hose to the outdoor unitWhen using the air conditioner in the heating mode, ice may accumulate During de-icing (defrost operation), thecondensed water must be drained off safely Consequently, you must install a drain hose on the outdoor unit,following the instructions belowXX Leave space of more than 50mm (1 97 inch) between the bottom of the outdoor unit and the ground for installation ofthe drain hose, as shown in figureXX Insert the drain plug into the hole on the underside of the outdoor unitXX Connect the drain hose to the drain plugXX Ensure that the drained water runs off correctly and safely‘B’mm13mm(0 51 inch)50mm (1 97 inch)XX Be sure to plug the rest of drain holes not connected with drain plugs using drain capsDrain capDrain plugInsulating refrigerant pipe or Y-jointXX You must check if there is a gas leak before completing all the installation process After you check that the gas does notleak, you must insulate the pipe and hoseXX Use EPDM insulation which meets the following conditionItem Unit StandardDensity g/cm3 0 048~0 096Dimension change route by heat % -5 or lessWater absorption rate g/cm3 0 005 or lessThermal conductivity kcal/m·h·˚C 0 032 or lessMoisture transpiration factor ng/(m²·s·Pa) 15 or lessMoisture transpiration grade g/(m²·24h) 15 or lessFormaldehyde dispersion mg/L -Oxygen rate % 25 or moreAM0@@FXMDCH_IM_EN_03408A(1).indd 27 2013-03-04 오후 4:28:23