5 EnglishINDOOR UNIT INSTALLATION As for the parts to be used for installation work, be sure to use the provided accessories and specified partsdesignated by our company. Install the indoor unit temporarily.• Attach the hanger bracket to the suspension bolt. Be sure to fixit securely by using a nut and washer from the upper and lowersides of the hanger bracket. (Refer to Fig.)[ PRECAUTION ]Since the unit uses a plastic drain pan, prevent welding spatterand other foreign substances from entering the outlet holeduring installation. Adjust the height of the unit. Check the unit is horizontally level.CautionMake sure the unit is installed level using a level or a plastic tube filled with water.In using a plastic tube instead of a level ,adjustthe top surface of the unit to the surface of the water at both ends of the plastic tube and adjust the unit horizontally.(One thing towatch out for in particular is if it is installed so that the slope is not in the direction of the drain piping,as this might cause leaking.) Tighten the upper nut. Mounting the remote controller.Refer to the “installation manual of the remote controller” supplied with remote controller.(accessory)Tighten(double nut)HangerbracketWasher forhanging bracket[ Securing the hanger bracket ]Part to be procuredin the fieldLevelVinyl tube(accessory)Washerfixing plateInsert belowwasher[ How to secure washers ]For heat pump: If your feet feel cold when using the heating function, it isrecommended that the air discharge grille shown at below beattached.45°(Adjustable angle)