58mca 6

14 1 ⁄2"
TYP
24 1 ⁄2"
22 5 ⁄16"
26 15 ⁄16"
26 1 ⁄4"
2-IN. COMBUSTION-
AIR CONN
1 ⁄2-IN. DIA
GAS CONN
2-IN. VENT CONN
1 ⁄2-IN. DIA THERMOSTAT
ENTRY
22 11 ⁄16"
SIDE INLET
CONDENSATE DRAIN
TRAP LOCATION
(DOWNFLOW &
HORIZONTAL LEFT)
7 ⁄8-IN. DIA
POWER CONN
7 ⁄8-IN. DIA
ACCESSORY
POWER ENTRY
CONDENSATE
DRAIN TRAP
LOCATION
(ALTERNATE
UPFLOW)
9 7 ⁄16"
TYP
17 5 ⁄16"
24 1 ⁄2"
27 9 ⁄16"
TYP
27 5 ⁄8"
29 11 ⁄16"
TYP
32 5 ⁄8"
TYP
30 13 ⁄16"
26 15 ⁄16"
AIRFLOW
26 1 ⁄4"
A
22 5 ⁄16"
9
13 ⁄16" D 13 ⁄16"
⁄16"
19" 13 ⁄16"
TYP
5 ⁄8"
OUTLET
OUTLET
CONDENSATE DRAIN
TRAP LOCATION
2-IN. COMBUSTION-
(DOWNFLOW &
AIR CONN
5 ⁄16"
HORIZONTAL RIGHT)
1
OR ALTERNATE
⁄2-IN. DIA
1 ⁄2-IN. DIA GAS CONN GAS CONN
7 ⁄8-IN. DIA
POWER CONN
1 ⁄2-IN. DIA
THERMOSTAT ENTRY
30 1 ⁄2"
39 7 ⁄8"
2-IN. VENT CONN
22 11 ⁄16"
SIDE INLET
18 1 ⁄4"
1"
11 ⁄16"
33 1 ⁄4"
TYP
28 1 ⁄2"
1 1 INLET
⁄4"
1" E
23 1 ⁄4" TYP
SIDE INLET
26 15 ⁄16" TYP
CONDENSATE
DRAIN LOCATION
(UPFLOW)
11 ⁄16"
CONDENSATE
DRAIN LOCATION
(UPFLOW)
DIMPLE LOCATORS
FOR HORIZONTAL
HANGING
22 1 ⁄4" TYP
24 3 ⁄16"
BOTTOM INLET
7 ⁄16"
11 ⁄16"
NOTES: 1. Minimum return-air openings at furnace, 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 14 1 /2 x 12-in. rectangle.
b. For 1200 CFM–20-in. round or 14 1 /2 x 19 1 /2-in. rectangle.
c. For 1600 CFM–22-in. round or 14 1 /2 x 23 1 /4-in. rectangle.
d. For airflow requirements above 1800 CFM, see Air Delivery 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 ensure adequate
return air openings for airflow requirements above 1800 CFM at 0.5 W.C. ESP.
Dimensions (In.)
UNIT SIZE A D E
040-08 17-1/2 15-7/8 16
040-12 17-1/2 15-7/8 16
060-08 17-1/2 15-7/8 16
060-12 17-1/2 15-7/8 16
060-16 17-1/2 15-7/8 16
080-12 17-1/2 15-7/8 16
080-16 17-1/2 15-7/8 16
080-20 21 19-3/8 19-1/2
100-16 21 19-3/8 19-1/2
100-20 21 19-3/8 19-1/2
120-20 24-1/2 22-7/8 23
140-20 24-1/2 22-7/8 23
Fig. 2—Dimensional Drawing
A02149
2
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