IM 934-5
Page 7 of 48
Wall Opening Requirements
When roughing in the opening for the wall sleeve, make
certain there is sufficient clearance from the walls and floor.
The wall sleeve should be positioned a minimum of 5/8" in
from the room side finished wall to accommodate the room
cabinet. A minimum distance of 3" above the finished floor
is required for return air.
The rough opening should measure 16-1/4" high x 42-1/4"
wide. When using a louver frame, the opening must measure
16-5/8" x 42-5/8". Louver frames should be used for panel
wall and thin wall applications to assure positive anchoring
to the wall (
Figure 14
). When a elecrical subbase is used, the
opening must start 3" to 4" above the finished floor (includ-
ing carpeting) to match the height of the subbase selected.
The subbase is available in 3" or 4" heights and has adjust-
able leveling legs that provide up to an additional 1" height.
A 3" or 4" subbase is required for 265V models and is op-
tional for 208/230V models.
Wall Construction Types
Figure 4: Panel Wall (Thin) Construction
16
1
/
4
" x 42
1
/
4
"
Cabinet/Wall Sleeve Rough
Opening or 16
5
/
8
" x 42
5
/
8
" When
using a Louver Frame
(See "Installing Louver Frame for
Thin Wall Construction Types" on
page 13 )
Floor
Concrete
Pillars
Steel Studs
Figure 5: Masonry Wall (Thick) Construction
Wall Sleeve Extension
(See "Installing Wall
Sleeve Extension" on
page 13)
Splitters
16" x 42"
Cabinet/Wall Sleeve
Lintels (by others)
Room Side
Figure 6: Frame and Brick Construction
16" x 42"
Cabinet/Wall Sleeve
Lintel
(by others)
42
1
/
4
" Wide
Cabinet/Wall Sleeve
Rough Opening
16
1
/
4
" High
Summary of Contents for McQuay IM 934-5
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