
14
PROPER INSTALLATION
WALL SLEEVE INSTALLATION
The wall sleeve must be installed before the air conditioner
or heat pump chassis can be set in place. Read the instruc-
tions thoroughly before proceeding.
Pre-installation Considerations
Before proceeding with the sleeve installation, ensure
the following guidelines for locating the wall opening and
sleeve are met:
• The wall opening must be the correct size. See the
figures below for wall sleeve Dimensions and mini-
mum wall opening size.
16 1/16"
410 mm
13 3/4
"
350 m
m
Wall Receptacle Within 58"
From Bottom Right Side Corner
on 115 VAC and
208/230 VAC Units Only
Wall Sleeve Dimensions
Internal
Adjacent
Wall
Internal
Adjacent
Wall
Outside
Wall
Allow Front Clearance (See Table 1)
Minimum Unit Clearances
• The wall sleeve will need to be installed with mini-
mum clearances to the floor and adjacent walls. Mini-
mum projections of the sleeve into and out of the
room will also have to be met. See Minimum Unit
Clearances and Minimum Interior and Exterior Pro-
jections Figures as well as Minimum Clearances and
Projections table for details.
• 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.
See Framing
with Lintel Figure for a typical lintel construction.
Framing with 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 out-
side. DO NOT INSTALL LEVEL (FRONT TO BACK) OR
SLOPE THE WALL SLEEVE TOWARD THE ROOM.
• The installer must determine and supply the mount-
ing bolts and/or screws to attach the wall sleeve to
the sides of the wall opening. Make sure the wall
opening is adequate for strong support.
• The installer must provide adequate sealing and in-
sulation around the sleeve after it is installed (air
and water tight). See Block and Brick Veneer Instal-
lation Figure for one of many types of constructions.
Steel
Lintel
Caulk Top,
Bottom, and
Both Sides
13 1/2" (340 mm)
Maximum
(No Accessories)
Block and Brick Veneer Installation