A=180mmB=70mmIndoor unit1.Fitting of the Mounting Plate and Positioning of the wall Hole2.Making a Hole on the Wall and Fitting the Piping Hole CoverWhen the mounting plate is first fixedWhen the mounting plate is fixed side bar and lintel1.Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to befixed against the wall, then temporarily fasten the plate with one steel nail.2. Make sure once more the proper level of the plate, by hanging a thread with a weight fromthe central top of the plate, then fasten securely the plate with the attachment steel nail.3. Find the wall hole location A using a measuring tapeFind the level positionRefer to the previous article, " When the mounting plate is first fixed ", for theposition of wall hole.Fix to side bar and lintel a mounting bar, Which is separately sold, and then fastenthe plate to the fixed mounting bar.Make a hole of 70 mm in diameter,slightly descending to outside the wall.Install piping hole cover and seal itoff with putty after installation(Section of wall hole) Piping hole pipeOutdoor sideThicknessof wallIndoor sideWall hole70mm353