Furnace Control Programming; And Navigation - Bryant 880TB Installation Instructions Manual

880TB/881TB: Installation, Start–Up, Operating and Service and Maintenance Instructions
Available Cooling Airflow
Settings (CFM)
Available Constant Fan
Airflow Settings (CFM)
Airflow reduces by 2% -
3% per 0.1 of ESP above
the noted static for these
airflow settings
Max Cooling ESP
**
Max Cooling CFM
Available Cooling Airflow
Settings (CFM)
Available Constant Fan
Airflow Settings (CFM)
Airflow reduces by 2% -
3% per 0.1 of ESP above
the noted static for these
airflow settings
Max Cooling ESP
**
Max Cooling CFM
*. Low Cooling Default
†. High Cooling Default
‡. Constant Fan Default Not Recommended
**. Max Cooling values are test CFM all other airflows are standatd CFM
For Heating Settings
Eff1 airflow will give midpoint rise
Eff2 will increase heating airflow (when unit is capable)
Com2 will decrease heating airflow (default)
Com1 will give the lower heating airflow

FURNACE CONTROL PROGRAMMING

AND NAVIGATION

On-Board Control Method
WARNING
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury, or death.
Blower access door switch removes 115-V power to control. No
component operation can occur unless switch is closed. Caution must
be taken when manually closing this switch for service purposes.
Do not tape or permanently allow the door switch to be bypassed.
Temporarily depress the door switch with one hand while accessing the
service buttons with your other hand. Do not touch uninsulated
electrical components.
This furnace model is equipped with an on-board 3-digit LCD display
with pushbutton navigation for the adjustment of operating parameters,
diagnostics, and service. The control board must be powered to use the
display and pushbuttons. Upon startup, the control will alternate
displaying the Model Program Number (PRG) and Software Version
(uEr). The control board has been programmed at the factory with a
Model Program Number specific to the furnace product number. The
correct Model Program Number is shown on the furnace rating plate.
The system's status is displayed after startup or after no control buttons
have been pressed for 60 seconds. Status Code LED will also be
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Table 13 – Air Delivery - CFM (with Filter)* (Continued)
650 700 740 800
1400 1480 1600 1625
‡
650 700 740 800
1400 1480 1600
Airflow Setting ESP (in. w.c.)
2000 0.9
2100 0.7
2179 0.6
2200 0.5
0.1 0.2 0.3 0.4
2270 2270 2270 2270
550 600 650 700
*
1225 1300 1400 1480
‡
550 600 650 700
1225 1300 1400
Airflow Setting ESP (in. w.c.)
1911 0.9
2000 0.7
2100 0.6
2250 0.4
0.1 0.2 0.3 0.4
2270 2255 2255 2245
60110C21
875 925 975 1000
†
1750 1850 1911 2000
875 925 975 1000
0.5 0.6 0.7 0.8
2245 2200 2150 2100
66135C24
740 800 875 925
1600 1625 1750 1850
740 800 875 925
0.5 0.6 0.7 0.8
2240 2200 2135 2070
Notes:
ESP is External Static Pressure
Airflow values up to 1 in. w.c. ESP (unless noted)
illuminated or blinking when displaying the system status. The codes
which indicate the current operating mode of the system as shown in
Table 14.
28
1050 1138 1200 1225
2100 2179 2200
1050 1138 1200 1225
0.9 1
2050 1995
975 1000 1050 1138
†
1911 2000 2100 2179
975 1000 1050 1138
0.9 1
2010 1945
*
1300
1300
1200
1200