Carrier Packaged Terminal s & Heat Pumps 52P - Manual (Page 16)

16
WALL SLEEVES
Weather Last™ Wall Sleeve
For the best performance and longest life, Carrier
recommends genuine Carrier wall sleeves for all
installations.
All Carrier wall sleeves are built with a pitch of 1/4 in.
per foot; for self-pitching of the unit, the wall sleeve
must be installed level (any error should be pitched to
the outside). Overflow slots on the outside of the
sleeve are in place to divert excess water during severe
weather.
Polymer Wall Sleeves
Choose a polymer wall sleeve for maximum protec-
tion and appearance.
All Carrier’s polymer wall sleeves are made from a
molded polymer that is designed for strength and dura-
bility. This material has excellent corrosion resistance
and a flammability rating of UL94-5V.
The sleeve surface is textured to prevent shine and
hide scratches. The rib configuration on the sleeve bot-
tom allows easy chassis removal and aids in drainage.
The locating holes in the side and top panels allow for
easy fastening of the sleeve to wall openings. Refer to
dimension drawings (pages 28 and 29) for typical wall
installation and dimensions.
The sleeve's alpine mist color (a shade of beige)
closely matches the front panel and blends in well with
any inside or outside decor.
The polymer wall sleeve comes in both insulated (fac-
tory installed) or non-insulated, to meet the require-
ments of every application.
Insulated Polymer Wall Sleeve
Part No.: SLEEVE-INSUL-1PK
Part No.: SLEEVE-INSUL-9PK
Carrier’s accessory insulated polymer wall sleeve, with
factory-installed insulation, provides superior sound
absorption, reduces heat loss and prevents sleeve
sweating, a condition that can occur when the outside
temperature is cold and the indoor conditions are warm
and humid.
Non-Insulated Polymer Wall
Sleeve
Part No.: WALL-SLEEVE-1PK
Part No.: WALL-SLEEVE-9PK
Carrier’s accessory non-insulated polymer wall sleeve,
provides a superior appearance and protection for
many applications.
Important Sleeve Installation Considerations:
• All Carrier sleeves are self pitching and must be
mounted level in all directions. (Do not use rails
to level sleeve.)
• The sleeve should be caulked on all sides, includ-
ing both inside and outside the building.
• If more than 4 in. of wall sleeve projects into the
room, an accessory subbase must be used for
support.
• For all applications with an accessory subbase,
wall sleeve must extend 3 1 /
4
in. minimum into
room and must be 3 1 /
4
in. minimum to 5 1 /
2
in.
maximum above floor (including carpeting) to
allow for proper fit of subbase.
• For applications where the wall sleeve is
mounted flush to the exterior of the building
(or recessed in), Carrier recommends a field-
supplied drip edge be installed to prevent water
infiltration into the building.
• Insulated wall sleeves should be considered for
superior sound absorption, to reduce heat loss
and to prevent sleeve sweating, a condition that
can occur when the outside temperature is cold
and the indoor conditions are warm and humid.
IMPORTANT: Insulated Polymer Wall sleeve pro-
vides superior sound absorption, reduces heat loss
and prevents sleeve sweating.
For applications where weather conditions could
influence sleeve sweating, a condition that can occur
when the outside temperature is cold and the indoor
conditions are warm and humid, the Insulated Poly-
mer Wall sleeve should be considered.
FIELD-INSTALLED ACCESSORIES (52P AND 52C)
Corrosion-Protected Polymer Sleeve