Manual

NOTE: A combustible floor base, available from manu
facturer, is required for downflow furnace installation on
wood flooring.
HAZARDOUS LOCATIONS.
When furnace is in a residential garage, it must be installed
so that burners and ignition source are located no less than
fS'inches above the floor. Also, furnace should be protected
from physical damage by vehicles.
When furnace is in public garages, airplane hangers, or other
buildings having hazardous atmospheres, install unit in ac
cordance with recommended good practice requirements of
the National Fire Protection Association, Inc. See Section 30.
SECTION 5 — IDENTIFYING FURNACE DI
MENSIONS, SPECIFICATIONS, AND POSITION.
A. A unique feature of this furnace is that it may be installed
as an upflow furnace, horizontal furnace, or downflow
furnace (minor conversion required).
1. Furnace as-shipped is an upflow furnace. Furnace
may be installed in this position or may be installed
as a horizontal on its right or left side without any
conversion. See Figure 1.
2, Furnace as-shipped position may be converted to a
downflow furnace by following instructions in B. be
low. Once conversion is complete, furnace may be
installed as a downflow furnace. Furnace may also
then be installed as a horizontal on its right or left
side. See Figure 2.
WARNING: Do not install furnace on its back. Doing so
could cause a fire, resulting In damage, injury or death.
See Figure 3 for dimensional drawings and specification table.
B. Converting furnace from as-shipped configuration.
READ ALL INSTRUCTIONS THOROUGHLY BEFORE
STARTING CONVERSION.
NOTE: Start conversion with furnace on its back.
WARNING: When servicing controls, all wires must
be labeled prior to disconnection. Mlswlring can cause
improper operation resulting In damage, Injury, or
death.
1. Remove front door. Study components described in
conversion. See Figure 4.
BTUH*
INPUT
MOTOR*
H.P.
VENT
DIAMETER
FURNACE
WIDTH
A
RETURN
AIR SIZE
13-23/32"X B
SUPPLY
AIR SIZE
78-1S/16'* X C
BLOWER
WHEEL
SIZE
TEMP
RISE “F
CFM
at 0.50“ W.C.
40,000
1/4
3"
14-1/2
12-7/8" 12-15/16" 10-4 50-80
805
40,000 1/3 3"
14-1/2
12-7/8* 12-15/16" 10-6
30-60 1265
60,000 1/4 4"
14-1/2
12-7/8" 12-15/16"
10-4 45-75
850
60.000 1/3 4"
14-1/2 12-7/8"
12-15/16" 10-6 45-75
1260
60,000
1/2 4“
17-1/2
15-7/8" 15-15/16" 10-8
35-65 1635
80,000
1/4
4"
14-1/2
12-7/8" 12-15/16*
10-4
50-80 915
80,000
1/3
4"
14-1/2
12-7/8" 12-15/16" 10-6
40-70 1235
60,000
1/2
4"
17-1/2
15-7/8" 15-15/16*
10-8 50-80
1645
80,000 3/4 4"
20-1/2 13-7/8" 18-15/16" (2) 10-4
40-70 1930
100,000 1/3 4"
17-1/2 15-7/8" 15-15/16"
10-6 55-85 1245
100,000
1/2
4"
17-1/2
15-7/8" 15-15/16* 10-8
50-80 1585
100,000 3/4 4"
20-1/2
18-7/8"
18-15/16"
(2) 10-4
40-70
1950
120,000 1/2 5"
20-1/2 18-7/8" 18-15/16"
10-8
45-75 1660
120,000
3/4
5'
20-1/2
18-7/8" 18-15/16" (2) 10-4
45-75
1965
140,000 3/4 5"
23-1/2 21-7/8" 21-15/16"
(2} 10-4
45-75 I860
140,000 3/4
5'
23-1/2
21-7/8"
21-15/16*
(2) 10-6
50-80 2235
'See Furnace rating plate located on blower door.