English 6Indoor Unit Installation1. Installing the mounting plate• The mounting plate should be installed on a wall which can support the weight of the indoor unit.1) Temporarily secure the mounting plate to the wall, make sure that the panel is completely level, and mark the boring points on thewall.2) Secure the mounting plate to the wall with screws.Recommended mounting plate retention spots and dimensions2. Boring a wall hole and installing wall embedded pipe• For walls containing metal frame or metal board, be sure to use a wallembedded pipe and wall cover in the feed-through hole to prevent possibleheat, electrical shock, or fire.• Be sure to caulk the gaps around the pipes with caulking material toprevent water leakage.1) Bore a feed-through hole of 65mm in the wall so it has a down slope toward theoutside.2) Insert a wall pipe into the hole.3) Insert a wall cover into wall pipe.4) After completing refrigerant piping, wiring, and drain piping, caulk pipe hole gap with putty.3. Installing the indoor unit• In the case of bending or curing refrigerant pipes, keep the followingprecautions in mind.Abnormal sound may be generated if improper work is conducted.1) Do not strongly press the refrigerant pipes onto the bottom frame.2) Do not strongly press the refrigerant pipes on the front grille, either.• Remove the pipe port cover as shown below.Place the pipe port coverin this pocket.990unit: mmGas pipe endThrough-the-wallhole I8044.544.560447 435295171.548 60171.5126.5117Drain hose positionLiquid pipe endUse a tape measureas shown.Position the end ofthe tape measure at .333Place a leveleron these tabs.Recommended mounting plateretention spots (7 spots in all)The removed pipeport cover can bekept in the mountingplate pocket.MountingplateRemoved pipeport cover AInside OutsideCaulkingWall embedded pipe(field supply)Wall hole cover(field supply)Wall embedded pipe(field supply)65