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Wall Sleeve Installation Instructions
Preparing the Wall
Opening
• Once a satisfactory location is found and height of
unit is determined, create a wall opening to install
the wall sleeve. The rough opening should mea-
sure a minimum of 16 ½” high x 42 ½” wide.
• If opening will start right at the finished floor level,
leave enough clearance for carpeting, etc. If using
a power cord, leave enough space for the cord to
exit from under the front panel.
• When a subbase is used, the opening must start
above the finished floor to match the height of the
subbase selected.
• When construction is complete, check the wall
opening to be sure the wall sleeve will slide into the
opening without obstruction.
• If installed in a concrete or masonry wall, a lintel
must be provided in the wall opening for support.
• Do not use the wall sleeve as a lintel.
• When installed in the opening, the wall sleeve
must be horizontally level from side-to-side and
pitched (one quarter bubble in the sight glass) to
the outside.
DO NOT SLOPE THE WALL SLEEVE
TOWARD THE ROOM.
• The installer must provide adequate sealing and
insulation around the sleeve after it is installed.
• If used, a 208/230 volt wall receptacle must be
located within 58 inches of the lower right sleeve
corner. Extension cords must not be used with the
unit.
• For installations in walls deeper than 13-7/8
inches, special care is necessary to prevent prob-
lems with rain water, condensate drainage and
intake/discharge air. Consult with your Sales Rep-
resentative before attempting such installations.
Framing
Proper building practices must be used when construct-
ing a wall opening to support a PTAC wall sleeve and
chassis. Units must be installed in accordance with all
applicable codes.
MAIN
STUD
3” FROM
FINISHED
FLOOR
CRIPPLE
JACK STUDS
16 1/2”
MIN.
HEADER - (1) 4”X 4” OR
(2) 2” X 4” ON EDGE
42 1/2”
FLOOR
JACK STUD
SUB-FLOOR
Figure 6
Framing and Minimum Wall Opening
WALL RECEPTACLE MUST BE LOCATED WITHIN 58” OF LOWER
RIGHT CORNER (208/230 VOLT UNITS ONLY)
ACCESS TO MAINS MUST BE AVAILABLE FOR ALL OTHER UNITS
Figure 7
Framing and Minimum Wall Opening
