Carrier UPFLOW 58BTA - Manual (Page 15)

Filters
A filter and filter rack is supplied with the furnace.
It is NECESSARY THAT ALL FURNACES BE
EQUIPPED WITH A FILTER.
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When filter rack is used on side of furnace:
1. Filter rack may be mounted on either side of
furnace.
2. The filter rack is made up of four (4) pieces - a top
and bottom (which are the same), and the rear and
access panels (which are the same). (Use the
shorter two rear/acess panels-discard the long
pair.)
3. Using corner indentations as a guide, cut out the
selected side duct return opening (See Figure 7).
4. Clip the filter rack pieces together, as shown in
Figure 9.
5. Remove the rear-most sheet metal screw
(approximately 10" from the front of the unit) from
the base. Align the second hole from the front of
the filter rack bottom piece with the base hole and
reinsert the screw. (The frame should be centered
over the knockout opening.)
6. Hold the filter rack against the unit (make sure it is
; square) and drill the remaining holes in the side of
the unit located according to the clearance holes in
the filter rack top, bottom, and rear panels. DO
NOT SCREW THE ACCESS PANEL IN PLACE!
7. To fasten return air duct to filter rack, first cut a
notch in the return air duct (for filter access panel)
to dimension shown in detail. Then slide duct over
filter rack.
8. Remove metal rod from filter. Trim 4W' from width
of filter (24Vf to 20VJ'). Reinsert rod into filter at an
angle, so that it does not extend past sides of filter.
9. Remove access panel, slide filter in place, then
replace access panel.
When filter rack is used on return air End opening
of furnace (either upflow, or horizontal):
1. Clip the filter rack pieces together, as shown above.
(Use the longer two rear/acess panels-discard the
shorter pair.)
2. Position the rack centered over the opening in the
supply end of the furnace, with access panel toward
; front of unit.
3. Hold the filter rack against the end of the unit
(make sure it is square) and drill the mounting
holes in the end of the unit according to the
clearance holes in the filter rack top, bottom, and
rear panels. DO NOT SCREW THE ACCESS
PANEL IN PLACE!
4. To fasten return air duct to filter rack, first cut a
notch in the return air duct (for filter access panel)
to dimension shown in detail. Then slide duct over
filter rack.
5. Remove access panel, slide filter in piace, then
replace access panel.
Minimum filter size and suggested filter material:
(If different type filter is used, it must be an equivalent
high airflow capacity.) 38'/4' X 24/i'
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WARNING
Never operate unit without a filter or with filter
access door removed. Failure to adhere to this
warning could lead to a hazardous condition which
could lead to equipment damage and bodily harm.
Keeping Filters Clean
As a homeowner, this is your most important
responsibility. A dirty filter reduces the efficiency of
your system, causes erratic performance of controls
and could result is damage to the motor or heating
element.
1. Inspect filters at regular intervals
depending upon dirt conditions. For
new homes, check filters every week
for 4 consecutive weeks. In all cases,
inspect your filters at least every 3 to 4
weeks when the system is in constant
operation. Replace or clean filter at
least at the beginning of each season
(heating and cooling) and thereafter as
needed.
2. If the permanent filter supplied with the
filter rack becomes dirty, it can be
cleaned with cold water and soap.
Be sure that the filter is thoroughly dry before
installing back into the .furnace.
ISSUE 9413
20142901 1518