External parts, Internal parts, Figure 23 — blower wheel and scroll – Carrier 52C User Manual
Page 12
12
EXTERNAL PARTS
■
EXTERNAL PARTS include the polymer sleeve and
grilles. The sleeve manufacturer recommends cleaning
the surface, including the grilles, with household
detergent and water.
INTERNAL PARTS
■
INTERNAL PARTS should be cleaned at least once
during the year. The outdoor vent filter should be
cleaned at least once during a cooling or heating
season.
Internal parts that should be cleaned include the fol-
lowing (see Figures 5, 22, and 23):
• Outdoor vent filter
• Basepan
• Outdoor orifice and fan
• Indoor and outdoor refrigeration coils
• Indoor blower wheel
• Wire screen
• Scroll
• Wall sleeve internal surfaces
• Outdoor grille
SCROLL
BLOWER
WHEEL
FIGURE 23 — BLOWER WHEEL AND SCROLL
VENT
DOOR
VENT
FILTER
MAGNET
OP
EN
CLO
SE
VENT HANDLE
FIGURE 22 — OUTDOOR VENT FILTER
(Left Side of Chassis)
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