12 EnglishInstallationWARNING• In case of extending the electric wire, please DO NOTuse a round-shaped pressing socket.– Incomplete wireconnections can causeelectric shock or a fire.Step 2.5 Installing and connecting thedrain hose1 Install the drain hose.2 Pour water into the drain pan. Check whether the hoseis well drained.CAUTION• Make sure that the indoor unit is in upright positionwhen you pour water to check for leakage. Make surethat the water does not overflow onto the electricalpart.• If the diameter of the connection hose is smaller thanthe product's drain hose, water leakage may occur.• Inadequate installation may cause water leakage.• If the drain hose is routed inside the room, insulate thehose so that dripping condensation does not damagethe furniture or floors.• Do not box in or cover the drain hose connection.Drain hose connection must be easily accessible andserviceable.Step 2.6 Optional: Extending the drainhose(A) (B)Drain hose Assembly pipe Connection hoseIndoor unitDrain hoseWall5 cmlessDitchSlant downwards Slant upwards Dipped in waterBent Too smallclearance Too smallclearanceDrain hose (A) Extension drain hose (B)Drain hose Extension drain hose20 mm or moreFoam insulationVinyl tape40~45mm