Furnace Control Programming; And Navigation - Carrier N96MSN Installation, Start-Up, Operating And Service And Maintenance Instructions

N96MSN: Installation, Start-up, Operating and Service and Maintenance Instructions
Unit Size
0261410
0401410
0401712
0601412
0601716
0801716
0802120
1002120
1002122
1202422
1402422
*. 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
##.#
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
6
9
8
12
9
12
9
12
11
14
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. 59
*
Cooling Heating
18
18
18
18
18
18
17
18
17
18
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
52
Designated Airflow Settings
Constant Fan
(5-14) (1-7)
(6-11) (1-1)
(5-9) (1-5)
(9-12) (1-3)
(5-10) (1-7)
(7-13) (1-1)
(5-11) (1-8)
(10-12) (1-4)
(8-14) (1-7)
(11-14) (1-3)
(10-15) (1-1)