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 6, 18, and 19):
•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
VENT HANDLE
MAGNET
CLOSE
OPEN
VENT VENT
DOOR FILTER
FIGURE 18 — OUTDOOR VENT FILTER
(Left Side of Chassis)
| BLOWER |
SCROLL | WHEEL |
FIGURE 19 — BLOWER WHEEL AND SCROLL
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