Bryant 4-Way Multipoise Induced Combustion Gas 311AAV - Manual (Page 2)

-2-
1. Two additional 7 /
8
-in. dia knockouts are located in the top plate.
2. Minimum return-air openings at furnace, based on metal duct. If flex duct is used,
see flex duct manufacturer's recommendations for equivalent diameters.
3. 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 x 19 -in. rectangle.
c. For 1600 CFM-22-in. round or 14 x 22 -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.
NOTES:
1 /
2
1 /
2
1 /
2
1 /
16
A
Media/
Filter Cabinet A B
16" 17" 16"
20" 21" 20"
24" 25" 24"
23 "
22 3 / 4 "
Furnace Side
23 1 / 8 "
Centerline Screw Slots
25 "
Duct Side
23 3 / 4 "
Opening with Flanges Bent
22 1 / 2 "
Opening
5 3 / 4 "
B
O
pe
nin
g
A02210
A02304
28-7/8"
25-1/4"
22-9/16"
JUNCTION BOX
LOCATION
7/8" DIA
ACCESSORY
1/2" DIA THERMOSTAT
WIRE ENTRY
3-15/16"
LEFT HAND GAS
ENTRY
33-5/16" 24-7/8"
5-1/2"
7/8" DIA. ACCESSORY
11/16"
21-5/8"
BOTTOM INLET
1-11/16"
13/16"
11/16"
1-9/16"
2-9/16"
4-13/16"
AIRFLOW
19"
OUTLET
13/16"
11/16" 8-7/16"
1-7/16"
ALTERNATE
JUNCTION BOX
LOCATION (TYP)
VENT OUTLET
5 PLACES (TYP)
3-3/4"
1-1/2" DIA.
RIGHT HAND
GAS ENTRY
1/2" DIA. THERMOSTAT
WIRE ENTRY
SIDE INLET
14-7/8"
7/8" DIA. ACCESSORY
1-1/4"
1" 22-1/16"
A
D
F
E
1) 135 and 155 size furnaces require five-inch vents. Use a 4-5 inch vent adapter between
furnace and vent stack.
2) See Installation Instructions for complete installation requirements.
311AAV/311JAV
UNIT SIZE
A
(CABINET
WIDTH)
D
(SUPPLY
WIDTH)
E
(BOTTOM
RETURN
WIDTH)
VENT
CONNECTION
SIZE
(see notes 1 & 2)
14-3/16 12-9/16 12-11/16 9-5/16 4
14-3/16 12-9/16 12-11/16 9-5/16 4
14-3/16 12-9/16 12-11/16 9-5/16 4
14-3/16 12-9/16 12-11/16 9-5/16 4
17-1/2 15-7/8 16-1/8 11-9/16 4
17-1/2 15-7/8 16-1/8 11-9/16 4
21 19-3/8 19-1/2 13-5/16 4
21 19-3/8 19-1/2 13-5/16 4
17-1/2 15-7/8 16-1/8 11-9/16 4
21 19-3/8 19-1/2 13-5/16 4
21 19-3/8 19-1/2 13-5/16 4
21 19-3/8 19-1/2 13-5/16 4 (note 1)
024045
24-1/2 22-7/8 23 15-1/16 4 (note 1)
24-1/2 22-7/8 23 15-1/16 4 (note 1)
060090
048090
042090
048070
036070
024070
036045
066110
048110
036110
066135
048135
060155
SHIPPING
WEIGHT
114
117
121
125
136
135
150
156
143
156
162
159
173
180
F
(C.L. TOP &
VENT OUTLET)
BOTTOM