Furnace Control Programming And Navigation - Bryant 912SE Installation, Start-Up, Operating And Service And Maintenance Instructions

912SE: Installation, Start-up, Operating and Service and Maintenance Instructions
Unit Size
36040M14
36040M17
36060M14
42060M17
48080M17
60080M21
60100M21
66100M21
60120M24
*. Setting #1 is the default setting for Constant Fan
FURNACE CONTROL PROGRAMMING AND
NAVIGATION
On-Board Control Method
CAUTION
!
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.
Display
iDl
Ht
CL
Heat Pump Defrost Mode
Hpd
Continuous Fan Mode
Cfn
Secondary Unit Operating
bLr
##.#
Display
Last 7 faults that occurred
FLt
Heating blower speed
Ht
Cooling and Heat Pump
CL
Constant Fan blower speed Constant Fan Airflow Setting. See
Cfn
Heat Blower-OFF Delay
HoD
Cool Blower-OFF Delay
Cod
dir
tnn
Program # and Software
inF
Ct
rSt
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Table 19 – Airflow Settings
Default Airflow Settings
Heating
8
9
12
9
11
12
13
10
15
Table 20 – System Status Display Codes
Operating Mode Notes:
Idle/Standby Mode No active demands
Heating Mode Gas Heating active
Cooling Mode Cooling or Heat Pump active
Gas Heating cycle active during Heat Pump Defrost cycle
Continuous Fan active
Only used when control is the secondary furnace of a twinned furnace system and primary
Blower furnace is active
Active Status Code See Fig. 60
Table 21 – Main Menu Options
Operating Mode Use
Faults code menu stores the 7 latest faults in memory. If no faults, None (
displayed. To clear fault history, scroll to Clear (
or Furnace Service Label for codes.
Heating Airflow Setting. Adjust higher to lower Temp. Rise; lower to increase Temp. Rise. See
Start-Up Procedures. See
Cooling Airflow Setting. See
blower speed cooling or heat pump equipment data for required airflow settings.
Value shown in seconds. Shorter delays may leave unused heat in ducts. Longer delays may
blow cold air at the end of heating demands.
Value shown in seconds. Shorter delays may leave unused energy in furnace coil. Longer
delays may re-evaporate condensate.
Direction
Adjusts display orientation 180 degrees between up flow (
Primary (
Twinning
twinned furnace system. Use of accessory kit required. See kit instructions.
Do NOT program the control board with a Model Program Number different than what is
specified on the rating plate. Alternates displaying the saved Model Program Number (
and Software Version (
Use to validate components are functioning as intended. See Component Self-Test
Component Test
instructions in the Start-Up Procedures section.
Reset Reset settings to Factory Default by selecting Yes (
*
Cooling
18
18
18
18
17
18
18
16
18
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
illuminated or blinking when displaying the system status. The codes
which indicate the current operating mode of the system as shown in
Table 20.
or Furnace Service Label for codes
Fig. 59 for allowable selections and
Fig. 59 for allowable selections and
Fig. 59
) or Secondary ( ) furnace selection. Adjust only if furnace is used in a
Pri SEC
).
uEr
51
Designated Airflow Settings
Heating Const. Fan
(5-8)
(4-9)
(6-14)
(7-14)
(8-14)
(7-14)
(7-16)
(7-12)
(12-16)
non
) and press MENU/SELECT. See
Clr
Table 18 for airflows.
Table 18 for airflows. Refer to
for allowable selections and Table 18
) and down flow (
UPF
).
YEs
(1-4)
(1-1)
(1-6)
(1-8)
(1-8)
(1-8)
(1-7)
(1-8)
(1-1)
) will be
Fig. 60
for airflows.
).
dnF
)
pRG