FIG. 1 is a front perspective view of a ceiling-mounted air conditioner, showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a rear perspective view thereof;
FIG. 9 is a cross-sectional view taken along the line 9-9 in FIG. 2;
FIG. 10 is an enlarged view of the portion 10 encircled in FIG. 8; and,
FIG. 11 is an enlarged view of the portion 11 encircled in FIG. 9.
The dashed broken lines in the figures depict portions of the ceiling-mounted air conditioner that form no part of the claimed design. The dot-dash broken lines in the figures, encircling portions of the claimed design that are illustrated in an enlarged view, form no part of the claimed design.