916SA: Product Data
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
14
RETURN AIR TEMPERATURE
This furnace is designed for continuous return-air minimum temperature
of 60
_
F (15
_
C) db or intermittent operation down to 55
_
F (13
_
C) db
such as when used with a night setback thermometer. Return-air
temperature must not exceed 80
_
F (27
_
C) db. Failure to follow these
return air limits may affect reliability of heat exchangers, motors and
controls.
A10490
MINIMUM CLEARANCES TO COMBUSTIBLE
MATERIALS
COMBUSTION-AIR PIPE FOR NON-DIRECT
(1-PIPE) VENT APPLICATION
A12376
NOTE:
See Installation Instructions for specific venting configurations.
DOWNFLOW SUBBASE
A97427
A88207
Downflow Subbase
A88202
One base fits all furnace sizes. The base is designed to be installed
between the furnace and a combustible floor when no coil box is used or
when a coil box other than a Bryantcased coil is used. It is CSA design
certified for use with Bryantbranded furnaces when installed in
downflow applications.
POSITION
CLEARANCE
Rear
0 (0 mm)
Front (Combustion air openings in
furnace and in structure)
1 in. (25 mm)
Required for service
*
*. Consult your local building codes
24 in. (610 mm)
†
†. Recommended
All Sides of Supply Plenum
1 in. (25 mm)
Sides
0 (0 mm)
Vent
0 (0 mm)
Top of Furnace
1 in. (25 mm)
60
80
/ 27˚C
/ 16˚C
SUPPLY AIR
FIELD-SUPPLIED
2-IN. (51 mm) DIA.
PVC PIPE
FIELD-SUPPLIED
2-IN. (51 mm) DIA.
MITERED RADIUS
PVC 90
°
ELBOW
12” (300 mm) MINIMUM
C
A
1
1
/4-IN. TYP
PLENUM
OPENING
FACTORY-SUPPLIED
FIELD-INSTALLED
INSULATION
LOCATING
TAB
LOCATING
TAB
1
2
3
4
4
3
2
1
B
D
DIMENSIONS (IN. / MM)
FURNACE
CASING
WIDTH
FURNACE IN DOWNFLOW APPLICATION
PLENUM OPENING
*
*. The plenum should be constructed 1/4-in. (6 mm) smaller in width and depth than the plenum dimensions shown above.
FLOOR OPENING
HOLE NO. FOR
WIDTH
ADJUSTMENT
A
B
C
D
14-3/16 (360) Furnace with or without Cased Coil Assembly or Coil Box 11-3/16 (322)
19 (483) 13-7/16 (341) 20-5/8 (600)
4
17-1/2 (445) Furnace with or without Cased Coil Assembly or Coil Box
15-1/8 (384)
19 (483)
16-3/4 (426) 20-5/8 (600)
3
21 (533)
Furnace with or without Cased Coil Assembly or Coil Box
18-5/8 (396)
19 (483)
20-1/4 (514) 20-5/8 (600)
2
24-1/2 (622) Furnace with or without Cased Coil Assembly or Coil Box
22-1/8 (562)
19 (483)
23-3/4 (603) 20-5/8 (600)
1
