HP 422690 I Installer's Information Manual page 4

High-efficiency upflow furnace
Table of Contents

Advertisement

GAS
MOTOR
INPUT*
SIZE*
(Btu/hr)
(HP)
54,000
1/3
72,000
1/2
72,000
3/4
90,000
1/2
90,000
3/4
108,000
3/4
126,000
3/4
* See Furnace Rating Plate located on blower door.
** These are furnace dimensions. See Sections 9 and 10 for proper ductwork and floor opening dimensions.
*** Certified for installation on wood flooring. 30-inch front clearance required for service. 18-inch front clearance required in an alcove.
Figure 1. Furnace Dimensions and Clearances.
Page 4
FURNACE
RETURN AIR
WIDTH**
SIZE**
"A"
"B"
17 1/2
15 3/4"
17 1/2
15 3/4"
20 1/2
18 3/4"
17 1/2
15 3/4"
20 1/2
18 3/4"
23 1/2
21 3/4"
23 1/2
21 3/4"
SUPPLY AIR
CLEARANCE TO COMBUSTIBLES***
SIZE**
"C"
TOP
SIDES
15 15/16"
1
15 15/16"
1
18 15/16"
1
15 15/16"
1
18 15/16"
1
21 15/16"
1
21 15/16"
1
(INCHES)
BACK
FRONT
VENT
0
0
2
0
0
2
0
0
2
0
0
2
0
0
2
0
0
2
0
0
2
Installer's Information Manual
VENT SIZE
(INCHES)
0
2
0
2 OR 3
0
2 OR 3
0
2 OR 3
0
2 OR 3
0
3
0
3

Advertisement

Table of Contents
loading

This manual is also suitable for:

422690

Table of Contents