Bryant Furnace 331JAV User Manual

PLUS 80t with Perfect Heat™  
DOWNFLOW  
INDUCED-COMBUSTION FURNACE  
331JAV  
California Approved  
Sizes 060 thru 100  
Series C  
The Plus 80t Downflow Furnace achieves 80 percent Annual  
Fuel Utilization Efficiency (AFUE) rating. The benefits of Perfect  
Heat operation in reducing sound and improving comfort put it in  
a class well ahead of the competition. The Plus 80t has the kind  
of overall performance needed in today’s homes. All models are  
GAMA efficiency rating certified and certified for use in California  
Air Quality Management Districts.  
FEATURES  
EFFICIENCY — The Plus 80t Induced-Combustion Gas Fur-  
nace provides the efficiency customers want with 80.0% AFUE.  
HOT SURFACE IGNITION — No pilot to waste gas with this  
field-proven ignition system.  
ALUMINIZED HEAT EXCHANGER — The patented 4-pass  
heat exchanger is made of aluminized steel and backed by a  
20-year Limited Warranty.  
INTELLIGENT CONTROL — The Plus 80t has an intelligent  
control that monitors the operation of the furnace. This control  
also has a component-test feature that enables the servicing  
technician to verify operation of the control; the high and low in-  
ducer; the hot surface ignitor; and high-, medium-, and low-  
speed blower operation. The control features a 3-amp fuse that  
protects the transformer and control. We guarantee the reliability  
of the control with a 3-year Limited Warranty.  
40-IN. HEIGHT — The Plus 80t cabinet height is only 40 in.  
This simplifies installation in alcoves, attics, basements (ideal  
for short basement), closets, and utility rooms, especially with  
a taller high-efficiency cooling coil.  
PREPAINTED CABINET — The Plus 80t uses prepainted sheet  
metal for the cabinet. This is the same high-quality finish found  
on refrigerators and other appliances today. We ensure its dura-  
bility by using a galvanized steel substrate to provide superior  
rust protection.  
PATENTED BLOCKED VENT SAFEGUARD — Our induced-  
combustion furnace has a patented blocked vent safeguard. The  
safeguard switch will stop furnace operation if the vent system  
becomes blocked or is not operating properly. An exclusive with  
the Plus 80t furnace.  
EASY INSTALLATION — The Plus 80t has many features that  
make installation easier: left or right gas and electrical connec-  
tions, heating and cooling blower speed selector, matching coil  
sizes, accessory low-voltage connections, and many more.  
QUIET OPERATION — A soft mount inducer assembly and 2-  
stage slow-opening gas valve reduce sound level. The Perfect  
Heat operation capability minimizes furnace and air noise for  
total home comfort.  
Form No. PDS 331J.60.4  
 
SPECIFICATIONS  
UNIT SIZE  
036060  
048080  
060100  
RATINGS AND PERFORMANCE  
Gas Input (Btuh)*  
High Stage  
Low Stage  
High Stage  
Low Stage  
63,000  
40,500  
51,000  
33,000  
80.0  
84,000  
54,000  
69,000  
44,000  
80.0  
105,000  
67,500  
86,000  
55,000  
80.0  
Output Capacity (Btuh)†  
Nonweatherized ICS  
AFUE†  
Nonweatherized ICS  
High Stage  
Certified Temperature Rise  
Range (°F)  
30—60  
15—45  
0.10/0.50  
1195/1030  
1195  
30—60  
15—45  
0.15/0.50  
1355/1170  
1580  
35—65  
20—50  
0.20/0.50  
1735/1500  
1950  
Low Stage  
Certified External Static Pressure  
Airflow CFM  
Heat/Cool  
Heating High/Low  
Cooling  
ELECTRICAL  
Unit Volts— Hertz— Phase  
Operating Voltage Range  
Maximum Unit Amps  
115—60—1  
104—127  
14.2  
Min—Max  
10.5  
35  
17.9  
32  
Maximum Wire Length (Measured 1 Way)  
Minimum Wire Size  
Ft  
26  
14  
15  
12  
Maximum Fuse Size  
20  
Transformer (24v)  
40va  
19va  
External Control  
Heating  
Cooling  
Power Available  
35va  
Air Conditioning Blower Relay  
Standard  
CONTROLS  
Limit Control  
SPST (Auto-Reset)  
Heating Blower Control  
Inducer  
Solid-State Time Operation  
2-Speed  
4
Burners (Monoport)  
Gas Connection Size  
3
5
1/2-in. NPT  
GAS CONTROLS  
2-Stage Redundant Gas Valve  
White-Rodgers  
4.5 (Natural Gas)  
13.6 (Natural Gas)  
Hot Surface  
Min Inlet Pressure (In. wc)  
Max Inlet Pressure (In. wc)  
Ignition Device  
BLOWER DATA  
Direct-Drive Motor HP (PSC)  
1/3  
5.1  
1/2  
7.4  
3/4  
Motor Full Load Amps  
11.0  
RPM (Nominal)—Speeds  
1075—5  
10 x 8  
Blower Wheel Diameter x Width (In.)  
Filter Size (In.)—Permanent Washable (Supplied)  
10 x 6  
10 x 6  
(2) 14 x 20 x 1  
(2) 16 x 20 x 1  
DEALER-INSTALLED ACCESSORIES  
Downflow Subbase**  
KGASB0201ALL  
KGAH5601PSW  
KGANP26012SP  
KGAPN21012SP  
High-Altitude Pressure Switch Kit‡  
Gas Conversion Kit—Natural-to-Propane  
Gas Conversion Kit—Propane-to-Natural  
* Gas input ratings are certified for elevations to 2000 ft. For elevations above 2000 ft, reduce ratings 4% for each 1000 ft above sea level. Refer to National  
Fuel Gas Code Table F4. In Canada, derate the unit 10% for elevations 2000 ft to 4500 ft above sea level.  
† Capacity in accordance with U.S. Government DOE test procedures.  
‡ 5500 ft and higher above sea level.  
** Required for installation on combustible floors when no coil box is used, or when any coil box other than a Bryant cased coil is used.  
ICS—Isolated Combustion System  
CONTROLS—THERMOSTATS AND ZONING  
Auto Changeover, °F/°C, 1-Stage Heat/1-Stage cool — TSTATBBNAC01-B  
Auto Changeover, °F/°C, 2-Stage Heat/1-Stage Cool — TSTATBBNHP01-B  
Auto Changeover, °F/°C, 2-Stage Heat/2-Stage cool — TSTATBBN2S01-B  
THERMOSTAT—NON-PROGRAMMABLE  
in AC Mode, 3-Stage Heat/2-Stage Cool in HP Mode  
Air Conditioner, 1-Stage Heat/1-Stage Cool, Manual Changeover, °F/°C — TSTATBBBAC01  
Heat Pump, 2-Stage Heat/1-Stage Cool. Manual Changeover, °F/°C — TSTATBBBHP01*  
Auto Changeover, 7-Day Programmable, °F/°C, 1-Stage heat/1-Stage cool — TSTATBBPAC01-B  
Auto Changeover, 7-Day Programmable, °F/°C, 2-Stage Heat/1-Stage Cool — TSTATBBPHP01-B  
Auto Changeover, 7-Day Programmable, °F/°C, — TSTATBBP2S01-B  
2-Stage Heat/2-Stage Cool in AC Mode, 3-Stage Heat/2-Stage Cool in HP Mode  
Dual Fuel Thermostat. Includes Outdoor Air Temperature Sensor — TSTATBBPDF01-B*  
THERMOSTAT-PROGRAMMABLE  
Thermidistat™ Control — Non-Programmable/Programmable — TSTATBBPRH01-B*  
Thermostat with Humidity Control (For use in Dual Fuel, AC, HP, and 2S applications.  
Includes Outdoor Air Temperature Sensor.)  
ZONING—2-ZONE  
ZONING—4-ZONE  
ZONING—8-ZONE  
ZONEBB2KIT01, ZONEKIT2ZBDP  
ZONEBB4KIT01  
ZONEBB8KIT01  
—3—  
 
AIR DELIVERY— CFM (With Filter)  
EXTERNAL STATIC PRESSURE (IN. WC)  
UNIT  
SIZE  
BLOWER  
MOTOR HP  
SPEED  
0.1  
0.2  
0.3  
0.4  
0.5  
0.6  
0.7  
0.8  
High  
Med-High  
Med  
1435  
1195  
1030  
900  
1385  
1165  
1020  
890  
1320  
1145  
1010  
875  
1265  
1105  
985  
1195  
1070  
955  
1145  
1015  
915  
1080  
955  
860  
755  
580  
1000  
885  
790  
690  
525  
036060  
048080  
060100  
1/3 PSC  
1/2 PSC  
3/4 PSC  
Med-Low  
Low  
855  
835  
795  
705  
700  
690  
675  
655  
625  
High  
Med-High  
Med  
Med-Low  
Low  
1855  
1595  
1355  
1170  
880  
1765  
1570  
1345  
1170  
865  
1710  
1530  
1305  
1140  
855  
1665  
1485  
1270  
1110  
830  
1580  
1410  
1220  
1075  
805  
1570  
1355  
1170  
1025  
755  
1410  
1280  
1110  
965  
1310  
1200  
1025  
890  
720  
655  
High  
Med-High  
Med  
Med-Low  
Low  
2235  
1995  
1735  
1510  
1145  
2185  
1970  
1735  
1500  
1140  
2110  
1915  
1675  
1485  
1125  
2030  
1845  
1625  
1455  
1115  
1950  
1765  
1565  
1400  
1100  
1835  
1680  
1480  
1320  
1085  
1700  
1545  
1370  
1230  
1045  
1540  
1415  
1265  
1130  
990  
INSTALLATION  
This unit is certified for downflow installation only. See Installation Manual for  
important installation instructions.  
MINIMUM INCHES CLEARANCE TO COMBUSTIBLE CONSTRUCTION  
This forced air furnace is equipped for  
This furnace is approved for DOWNFLOW installations only.  
use with natural gas at altitudes  
0
-
10,000 ft  
(0-3,050m).  
1"  
An accessory kit, supplied by the  
manufacturer, shall be used to convert to  
propane gas use or may be required for  
some natural gas applications.  
This furnace is for indoor installation in  
a building constructed on site.  
0"  
#
1"  
B
This furnace may be installed on  
combustible flooring in alcove or closet at  
minimum clearance from combustible  
material.  
This furnace may be used with a Type  
B-1 Vent and may be vented in common  
with other gas-fired appliances.  
A
E
C
D
I
K
S
E
C
A
F
N
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U
F
T
T
N
O
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S
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V
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C
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F
E 30"  
D
R
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S
O
N
For installation on non-combustible  
MIN  
floors only. For installation on  
combustible flooring only when  
installed on special base, Part No.  
KGASB0201ALL, Coil Assembly,  
Part No. CD5 or CK5, or Coil  
Casing, Part No. KCAKC.  
##  
1" #  
Ø
Clearance in inches.  
1"  
For furnaces wider than 14.25  
inches (362mm) may be 0 inches.  
18 inches front clearance required  
for alcove.  
#
Ø
Vent Clearance to combustibles:  
For Single Wall vents 6 inches (6 po).  
For Type B-1 vent type 1 inch (1 po).  
## For single wall vent type 6 inches.  
A97620  
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE  
UNIT MUST BE INSTALLED IN ACCORDANCE  
WITH INSTALLATION INSTRUCTIONS  
Cancels: PDS 331J.60.3  
© 1999 Bryant Heating & Cooling Systems, 7310 W. Morris St.  
Indpls., IN 46231  
PRINTED IN U.S.A.  
Catalog No. 5233-103 10-99  
—4—  
 

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