11
A00229
Fig. 31 -- Replacement of Filter Cabinet Door to Side Blower
Cabinet
A00230
Fig. 32 -- Replacement of Filter Cabinet Door to Bottom
Blower Cabinet
A93205
Fig. 33 -- Replace Blower Access Panel
A05099
Fig. 34 -- Removal of Furnace Door
Table 1 – Furnace Air Filter Table
FURNACE CASING WIDTH
IN (MM)
FILTER QUANTITY AND SIZE *
FILTER TYPE*SIDE RETURN*
IN (MM)
BOTTOM RETURN*
IN (MM)
17--- 1/2 (445)
(1) 16 x 25 x 3/4
(406 x 635 x 19)
(1) 16 x 25 x 3/4
(406 x 635 x 19)
3/4” (19 mm) thick washable
21 (533 )
(1) 16 x 25 x 3/4
(406 x 635 x 19)
(1) 20 x 25 x 3/4
(508 x 635 x 19)
3/4” (19 mm) thick washable
24--- 1/2 (610)
(1) 16 x 25 x 3/4
(406 x 635 x 19)
(1) 24 x 25 x 3/4
(610 x 635 x 19)
3/4” (19 mm) thick washable
Table 2 – Air Filter Located in Filter Cabinet
FILTER CABINET HEIGHT --- IN (MM) F I LT E R S I Z E --- I N ( M M ) FILTER TYPE
16 (406)
(1) 16 x 25 x 3/4*
(406 x 635 x 19) or
(1) 16 x 25 x 4---5/16
(406 x 635 x 110)
washable
20 (508)
(1) 20 x 25 x 3/4*
(508 x 635 x 19) or
(1) 20 x 25 x 4---5/16
(508 x 635 x 110)
washable
24 (610)
(1) 24 x 25 x 3/4*or
(610 x 635 x 19) or
(1) 24 x 25 x 4---5/16
(610 x 635 x 110)
washable
* Filters with a side return--air may have a different filter size. Measure the filter to obtain the correct size.
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