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(Take care not to twist or crimp pipes during installation.) For Right Rear Sided, Right Sided and Lower Sided Piping NOTE: Do not apply excessive force to these parts. 1. For right side and lower side piping, cut the indoor unit base(s) with a hacksaw and deburr the cut end with a file. (See Fig. 5) 2. Hang the indoor unit(s) on the upper portion of the installation plate while inserting the vinyl-taped pipes through the wall hole. Engage the lower projection with the claws of the installation