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26
©
AIRFLOW
3_!/"
rYP
FOR
HORIZON1AL
HANGING
NOTES:
UNIT SiZE
E
040-08
16
040-12
16
060-08
16
060-12
16
060-16
16
080-12
16
080-16
16
080-20
19-1/2
100-16
19-1/2
100-20
19-1/2
120-20
23
140-20
23
I
Minimum return-air
openings at fnrnace,
based on metal duct. if flex duct is used,
see flex duct manufacturer's
recommendations
for equivalent diameters.
2 Minimum
return-air opening at furnace:
a
For 800 CFM-16-in
round or I4'/_ x 12-in. rectangle
b. For 1200 CFM-20-in.
round or 14/_ x 19/_4n. rectangle
c. For 1600 CFM-22-in.
round or 14/2 x 23:/_-in. rectangle,
d
For airflow requirements
above I800 CFM see Air Delivery table in Product Data
literature for specific _se of single side inlets The use of both side inlets, a
combination
of ! side and the bottom, or the bottom only will ensure adequate
return air openings for airflow requirements
above 1800 CFM at 05
WC
ESP
Dimensions
(In.)
A
D
17-1/2
15-7/8
17-1/2
15-7/8
17-1/2
15-7/8
17-1/2
15-7/8
17-1/2
15-7/8
17-1/2
15-7/8
17-1/2
15-7/8
21
19-3/8
21
19-3/8
21
19-3/8
24-1/2
22-7/8
24-1/2
22-7/8
Fig. 2--Dimensional
Drawing
BOT] OM iNLET
A02149
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