Page 4
Installer’s Information Manual
Btu/Hr*
INPUT
MOTOR*
H.P.
VENT
DIA
FURNACE
WIDTH
A
RETURN**
AIR SIZE
18-29/32” x B
SUPPLY**
AIR SIZE
18-15/16” X C
BLOWER
WHEEL
SIZE
TEMP
RISE °F
CFM
at 0.50”
W.C.
40,000 1/4 3” 14-1/2 12-3/4” 12-15/16” 10-4 50-80 805
40,000 1/3 3” 14-1/2 12-3/4” 12-15/16” 10-6 30-60 1265
60,000 1/4 4” 14-1/2 12-3/4” 12-15/16” 10-4 45-75 850
60,000 1/3 4” 14-1/2 12-3/4” 12-15/16” 10-6 45-75 1260
60,000 1/2 4” 17-1/2 15-3/4” 15-15/16” 10-8 35-65 1635
80,000 1/4 4” 14-1/2 12-3/4” 12-15/16” 10-4 50-80 915
80,000 1/3 4” 14-1/2 12-3/4” 12-15/16” 10-6 40-70 1235
80,000 1/2 4” 17-1/2 15-3/4” 15-15/16” 10-8 50-80 1645
80,000 3/4 4” 20-1/2 18-3/4” 18-15/16”
(2)
10-4
40-70 1930
100,000 1/3
4” 17-1/2 15-3/4” 15-15/16” 10-6 55-85 1245
100,000 1/2
4” 17-1/2 15-3/4” 15-15/16” 10-8 50-80 1585
100,000 3/4
4” 20-1/2 18-3/4” 18-15/16” (2)
10-4
40-70 1950
120,000 1/2
4” 20-1/2 18-3/4” 18-15/16” 10-8 45-75 1660
120,000 3/4
4” 20-1/2 18-3/4” 18-15/16” (2)
10-4
45-75 1965
140,000 3/4
4” 23-1/2 21-3/4” 21-15/16” (2)
10-4
45-75 1860
140,000 3/4
4” 23-1/2 21-3/4” 21-15/16” (2)
10-6
50-80 2235
*See Furnace Rating Plate located on blower door.
**These are furnace dimensions. See Sections 12 and 13 for proper ductwork and floor opening dimensions.
Figure 3. Furnace Dimensions and Specifications.
