Bryant 880TA Installation, Start-Up, Operating And Service And Maintenance Instructions page 54

Variable-speed, induced-combustion 4-way multipoise gas furnace
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AIR CONDITIONING
TONS
(12,000 BTU/HR)
1-1/2
2
2-1/2
3
3-1/2
4
5
6
X- - Indicated an allowable selection.
Model Size
3T-045
3T-070
4T-070
5T-070
4T-090
5T-090, 5T-110, 5.5T-135
Model Size
3T-045
3T-070
4T-070
5T-070
4T-090
5T-090, 5T-110, 5.5T-135
Model Size
3T-045
3T-070
4T-070
5T-070
4T-090
5T-090, 5T-110, 5.5T-135
Model Size
3T-045
3T-070
4T-070
5T-070
4T-090
5T-090, 5T-110, 5.5T-135
(1.) Default A/C airflow when A/C switches are in OFF position
(2.) Default Low- -Stage cooling airflow when CF switches are in OFF position
(3.) Switch positions are also shown on furnace wiring diagram
AIRFLOW (CFM)
525
700
875
1050
1225
1400
1750
2100
BASED ON 350 CFM/TON (SETUP SWITCH SW1---5 OFF, SW4---3 OFF)
DEF
525
DEF
525
DEF
525
DEF
700
DEF
525
DEF
700
BASED ON 400 CFM/TON (SETUP SWITCH SW1---5 ON, SW4---3 OFF)
DEF
600
DEF
600
DEF
600
DEF
800
DEF
600
DEF
800
BASED ON 325 CFM/TON (SETUP SWITCH SW1---5 OFF, SW4---3 ON)
DEF
488
DEF
488
DEF
488
DEF
650
DEF
488
DEF
650
BASED ON 370 CFM/TON (SETUP SWITCH SW1---5 ON, SW4---3 ON)
DEF
558
DEF
558
DEF
558
DEF
744
DEF
558
DEF
744
Fig. 57 - - Cooling (A/C) or Low- -Stage Cooling Airflow Selection Chart
070 MODEL
X
2
X
X
X
1
X
-
-
-
SETUP SWITCH SW2 OR SW3 POSITIONS
700
875
2
700
875
2
700
875
2
875
1050
2
700
875
2
875
1050
2
SETUP SWITCH SW2 OR SW3 POSITIONS
800
1000
2
800
1000
2
800
1000
2
1000
1200
2
800
1000
2
1000
1200
2
SETUP SWITCH SW2 OR SW3 POSITIONS
650
813
2
650
813
2
650
813
2
813
975
2
650
813
2
813
975
2
SETUP SWITCH SW2 OR SW3 POSITIONS
744
930
2
744
930
2
744
930
2
930
1116
2
744
930
2
813
1116
2
54
090 MODEL
110 & 135 MODELS
X
X
2
X
X
X
1
X
-
-
1050
1225
1400
1
1050
1225
1225
1
1050
1225
1400
1225
1400
1750
1050
1225
1400
1225
1400
1750
1200
1400
1400
1
1200
1400
1400
1
1200
1400
1600
1400
1600
2000
1200
1400
1600
1400
1600
2000
975
1138
1300
1
975
1138
1138
1
975
1138
1300
1138
1300
1625
975
1138
1300
1138
1300
1625
1116
1302
1400
1
1116
1302
1302
1
1116
1302
1488
1302
1488
1860
1116
1302
1488
1302
1488
1860
-
X
X
2
X
X
X
X
1
X
1400
1225
1400
1
2100
1
1400
1
2100
1
1400
1400
1600
1
2200
1
1600
1
2200
1
1300
1138
1300
1
1950
1
1300
1
1950
1
1400
1302
1488
1
2200
1
1488
1
2200
1

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