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Installation of cabinet/wall sleeves for thick walls requires special
consideration. Table 1 should be used to determine the
maximum wall thickness allowed for the standard cabinet/wall
sleeve. For thicker walls, cabinet/wall sleeve extensions are
available from your representative. Refer to page 7 for proper
installation of cabinet/wall sleeve extensions.
Cabinet/wall sleeve installation in thick walls is similar to frame
and brick installation. Install as follows:
1. Clean the opening of all debris that may interfere with
installation.
2. If the unit is to be supplied with a subbase, refer to page 8 for
installation procedures. Install subbase before installing
cabinet/wall sleeve.
3. If the optional drain kit is to be employed (heat pump only),
refer to page 9 before proceeding.
4. If wall thickness exceeds dimensions shown in Table 1, a
cabinet/wall sleeve extension must be used. Install the
extension as described on page 7. Once the extension is
attached to the cabinet/wall sleeve, place a thin pad of soft
mortar on the bottom of the opening and slide in the wall
sleeve/extension assembly. Be sure to recess the wall sleeve
enough to accommodate outside louver. This recess is
(9.5mm) for stamped louvers and 1
tural louvers. Louver should be flush to exterior surface when
completed. Note: The wall sleeve is not intended to replace
the lintel.
5. Level cabinet/wall sleeve in both directions and secure by
anchoring with appropriate fasteners (as shown in Figure C,
page 7) or drill additional holes as required to secure firmly.
Caution: Do not drill holes in the base of the cabinet/wall
sleeve. Where a subbase is used, secure wall sleeve to sub-
base with clips provided.
6. Caulk the cabinet/wall sleeve to the wall opening on both the
inside and outside perimeter. Be careful not to plug the weep
holes. Caulking should be resilient, non-hardening type such
as silicone.
Figure 10. Thick Wall Construction with Standard Electric
Subbase
Note: 1. Subbase is available in 3" (76mm) or 4" (102mm) height. Leveling legs provide for
adjustment of 1" (25.4mm).
2. Wall sleeve extension is available in various depths and supplied as required.
IM 368 / Page 6 of 20 (Rev 11/03)
Wall Sleeve Installation — Thick Wall Construction
1
/
" (32mm) for architec-
4
Table 1. Maximum Wall Thickness without Sleeve Extensions
Louver Type
Stamped
14" (356mm)
Architectural
14
Figure 9. Thick Wall Construction with Cord Connection
3
/
"
8
Figure 11. Thick Wall Installation with Hydronic Subbase
Maximum Wall Thickness
No
Standard
Subbase
Subbase
9
1
/
" (241mm)
13
2
7
3
/
" (378mm)
10
/
" (264mm)
8
8
Hydronic
Subbase
1
/
" (333mm)
8
14" (356mm)
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