1) Dismount the right- or left-side cover. (2 screws)
2) Mount the side cover for right-side piping (service parts) or the side cover for left-side piping (service parts).
3) Follow the procedure shown in 4-1. Right-back piping in the case of performing right-side piping and the procedure shown in 4-2. Left-back piping in the case of performing left-side piping. At that time, insert the drain hose and refrigerant pipes into the wall hole after inserting them into the hole on the right- or left-side piping cover.