Furnace Control Programming; And Navigation - Carrier 58SB0B Operating Instructions Manual

58SB0B/58SB1B: Installation, Start–Up, Operating and Service and Maintenance Instructions

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.
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
HoD
Cod
dir
tnn
Program # and Software
inF
Ct
rSt
The Main Menu provides access to operating parameters of the furnace
control including airflows as well as other diagnostics. See
the location of the pushbuttons. Scroll through Main Menu by pressing
MENU/SELECT button. Press NEXT/OPTION to display the current
setting of the parameter (value will flash). Additional presses will scroll
through setting options. Press MENU/SELECT button to save a new
setting and return to the Main Menu. The display will flash three times to
confirm a new setting selection has been saved.
of the menu and settings. Table 12
parameter adjustment and applicability.
NFC and Supported App Method
This furnace control board is also equipped with NFC (Near Field
Communication) technology which allows the adjustment of operating
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Table 11 – 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. 45
Table 12 – Main Menu Options
Menu Item 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
Heat OFF Delay
blow cold air at the end of heating demands.
Value shown in seconds. Shorter delays may leave unused energy in furnace coil. Longer
Cool OFF Delay
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 (
Fig. 28
Fig. 44 shows the flow
provides additional information on
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 11.
or Furnace Service Label for codes
Fig. 44 for allowable selections and
Fig. 44 for allowable selections and
Fig. 44
) or Secondary ( ) furnace selection. Adjust only if furnace is used in a
Pri SEC
).
uEr
parameters, diagnostics, and service via a field-supplied mobile device
for with NFC capability and supported mobile app. Remove 115-V power
from the furnace control board to use this method. See
location of the NFC antenna. Additional instructions and help may be
available through the supported mobile app.
Scan the mobile app QR Code on page 1 of this manual for more
information and a link to download the mobile app.
Control Board Replacement
If the control board must be replaced, the new board must be
programmed with the correct Model Program Number before the furnace
will operate. Do NOT program the control board with a Model Program
29
) and press MENU/SELECT. See
Clr
Table 9 for airflows.
Table 9 for airflows. Refer to
for allowable selections and Table 9
) and down flow (
UPF
).
YEs
) will be
non
Fig. 45
for airflows.
).
dnF
)
pRG
Fig. 28 for the