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5
INSTALLATION
CHASSIS INSTALLATION
Units are shipped without a sleeve. In applications
where unit is a replacement, it is recommended that a
Carrier sleeve be used. The 52C and 52P units can
retrofit General Electric, Amana and Trane sleeves/
grilles (be sure outdoor grille is installed on the
sleeve). A retrofit kit with instructions is included
with every unit. See Table 3 for details. Carrier Corpo-
ration must approve any other retrofit application. In
deep-wall applications, if an existing grille is used on
an outdoor wall opening, do not install an additional
outdoor grille on unit sleeve.
Be sure that the foam strips and/or baffles provide a
good seal between the grille and condenser coil tube
sheets. These foam strips or baffles provide a barrier
to separate condenser air from the major components
(compressor and fan motor). See Figures 5 to 8.
NOTE: Inspect wall sleeve for any damage or deterio-
ration before installing chassis.
TABLE 3 — RETROFIT WALL SLEEVES
*Retrofit kit is
not
needed for Carrier or Bryant applications.
If baffles are not installed properly, loss of perfor-
mance and premature damage to the major compo-
nents can result.
MANUFACTURER* WALL SLEEVE PART NUMBER
General Electric
Metal Sleeve RAB71
Plastic Sleeve RAB77
Amana Metal Sleeve WS900B
Trane Metal Sleeve SLV149
OUTDOOR
ORIFICE
COIL TUBE
SHEETS
DISCHARGE
GRILLE
WIRE SCREEN
FRONT
PANEL
INDOOR
COIL
BASEPAN
WALL
SLEEVE
OUTDOOR
GRILLE
INDOOR-AIR
INLET
FILTERS
FIGURE 6 — UNIT COMPONENTS
FOAM STRIP
OR BAFFLE
FOAM STRIP
OR BAFFLE
FIGURE 5 — OUTDOOR GRILLE