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A3-1N
MINIMUM
CLEARANCE
TO
INTAKE
IS REQUIRED
3/8-1 N. ROD
ANGLE
--_
IRON
OR
EQUIVALENT
"_
(B)
(B)
(A)
ALTERNATE
SUPPORT
LOCATION
4-IN
MIN
8-IN MAX
(A)
ROD
LOCATION
USING
DIMPLE
LOCATORS
tSEE
DIMENSIONAL
DWG
FOR
LOCATIONS)
3/8-1N
& WASHER
(4)
REQD
PER
ROD
(A) PREFERRED
ROD
LOCATION
(B) ALTERNATE
ROD
LOCATION
13/16-1N. MAX
(B)
ALTERNATE
SUPPORT
LOCATION
FROM BACK
NOTES:
1 A 1 In. clearance
minimum between top of
furnace and combustibIe
material.
2 The entire length of furnace must be
supported
when furnace is used in
horizontal position to ensure proper
drainage.
3 Bottom side combustion-air
entry cannot
be used when furnace is installed with
hangers
as shown
Fig. 24_Crawlspace
HorizontN
Application
A96209
TaNe 4--Filter
information
FURNACE
FILTER
SIZE (IN.l*
FILTER
TYPE
CASING
W{DTN (IN.}
Side Return
Bottom Return
FRAMED
17-1t2
(1) 16 X 25 X 11-
(1) 16 X 25 X 11-
Cleanable
21
(1)16X25X1
(1)20 X 25 X It
C_eanab_e
24_1/2
(1 or 2 / 16 X 25 X 1
(1 / 24 X 25 X 11-
C_eanable
* Filters can be field modified
by cutting to the desired
size. Alternate sizes
can be ordered from your distributor
or dealer
? Factory-provided
with furnace.
(UT
HAZARD
Failure
to %llow
this caution
may result
in minor
personal
injury
Use care when cutting
support
rods in filters to protect
against
flying pieces
and sharp rod ends. Wear safety glasses,
gloves,
and appropriate
protective
clothing.
UNIT
MAY
NOT
OPERATE
Failure
to fk_llow this caution
may result
in intem_ittent
unit
operation.
For airflow
requirements
above
1800 CFM,
see Air Deliveo-
table in Product
Data literature
for specific
use of single side
inlets. The use of both side inlets, a combination
of 1 side and
the bottom,
or the bottom
only will ensm'e adequate
remm
air
openings
for airflow
requirements
above
1800 CFM.
NOTE:
Side returnoair openings can ONLY be used in 1_PFLOW
configurations,
Install _ter(s)
as shown in Fig, 25,
WASHABLE
FILTER \
RETAINER
SPRING
\
A00217
Fig. 25--Filter
Installed
for Side Inlet
Bottom
return-air
opening
may
be used
with
all 4 orientations.
Filter may need to be cut to fit some I:tmaace widths
Install
filter
as shown
in Fig
26.
Step
6--Bottom
Cmosure
Panel
These
_i/rnaces
are shipped
with bottom
enclosure
panel installed
in bottom
return-air
opening.
This panel MUST
be in place when
side return
air is used.
To remove
bottom
closure
panel,
perfbm_
the following:
1. Tilt or raise furnace
and remove
2 screws holding
fiont filler
panel.
(See Fig. 27.)
2. Rotate
fiont
filler panel
downward
to release
holding
tabs.
3. Remove
bottom
closure
panel.
2i
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