Filter
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UNT-IOM-6 117
02 1 x 8.875 x 19.125 1 x 5.5 x 19.13
(2.54 x 23 x 49) (2.54 x 13.97 x 48.59)
03 1 x 8.875 x 19.125 1 x 5.5 x 19.13
(2.54 x 23 x 49) (2.54 x 13.97 x 48.59)
Low Vertical 1 x 8.875 x 24.125
(2.54 x 23 x 61)
04 1 x 8.875 x 24.125 1 x 5.5 x 24.13
(2.54 x 23 x 61) (2.54 x 13.97 x 61.29)
Low Vertical 1 x 8.875 x 33.625
(2.54 x 23 x 85)
06 1 x 8.875 x 33.625 1 x 5.5 x 33.63
(2.54 x 23 x 85) (2.54 x 13.97 x 85.42)
Low Vertical 1 x 8.875 x 42.125
(2.54 x 23 x 107)
08 1 x 8.875 x 42.125 1 x 5.5 x 42.13
(2.54 x 23 x 107) (2.54 x 13.97 x 107.0)
10 1 x 8.875 x 61.125 1 x 5.5 x 61.38
(2.54 x 23 x 155) (2.54 x 13.97 x 155.91)
12 1 x 8.875 x 61.125 1 x 5.5 x 61.38
(2.54 x 23 x 155) (2.54 x 13.97 x 155.91)
Note: Vertical recessed, horizontal cabinet, & horizontal recessed
units with a bottom return have filter guides to secure the filter in
position. Also, if these unit types have a fresh air opening, they
require an additional filter for the fresh air opening.
2. Pull the two plunger spring pins inward on the filter access door
and rotate door downward.
3. Remove the dirty filter(s) and replace or clean.
CAUTION: All unit panels and filters must be in
place prior to unit start-up. Failure to have panels and
filters in place may cause motor overload.
4. Replace the front/bottom panel of the unit for cabinet and recessed
units.
Unit size Main Filter Fresh Air Filter
(models D, E, H with
bottom return & OA only)
Table 53. Filter Sizes, in. (cm)
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