Carrier TC-NAC User manual
Owner's Manual
YOU WILL LOVE THIS THERMOSTAT.
This Comfort non-programmable thermostat is an easy to use model that provides
the most sought-after features for keeping your home comfortable. And with a slim
profile, it is designed to be as smart - and smart-looking - as any of the other
electronics in your home. Let this manual show you how easy it is to enjoy the
newest experience in home comfort.
@ Designed and Assembled in the U.S.A.
NOTE: Read the entire instruction manual before starting the installation.
TABLE OF CONTENTS
BUTTON IDENTIFICATION ................................. 4
ON-SCREEN INDICATORS ..................................... 6
OPERATING THE THERMOSTAT
Setting the temperatures for heating and cooling .................... 8
Using the fan .................................................. 9
Using emergency heat (heat pump systems only) .................. 10
Installing or replacing the batteries ............................... 11
Using the thermostat to turn the heating and cooling system off ...... 14
Auto changeover .............................................. 14
ADVANCED OPTIONS
Advanced options display codes chart ............................ 15
Changing from Fahrenheit to Celsius ............................ 16
Turning on the continuous backlighting .......................... 17
Keypad lockout ............................................... 18
Unlocking the keypad ........................................ 19
TABLE OF CONTENTS
WHAT IF...
The battery icon is displayed .................................... 20
"Aux heat on" is displayed (heat pump systems only) .............. 20
"Em heat" is displayed (heat pump systems only) .................. 20
There is a power outage ........................................ 21
You get a system error message ................................. 21
COMMON TERMS AND WHERE TO FIND THEM
Auto changeover .............................................. 22
Auxiliary heat (heat pump systems only) ......................... 22
Backlighting ................................................. 22
Emergency heat (heat pump systems only) ........................ 22
Mode ........................................................ 22
WARRANTY .................................................. 23
BUTTON IDENTIFICATION
fan
©?
BUTTON IDENTIFICATION
a. FAN Selects whether the fan operates continuously (on) or only when
needed for heating or cooling (auto)
b. MODE Selects whether thermostat is set for heating, cooling, emergency
heat (heat pump system only), auto (heat and cool as needed), or off
c. UP Increases the temperature or adjusts the screen selection up when
setting advanced features
d. DOWN Decreases the temperature or adjusts the screen selection down
when setting advanced features
ON-SCREEN INDICATORS
off
Em
heat
aux
heat
on
fan
auto
fan
on
actualtemp
O0 cool
I-_| 1_| on2_
setat
ON-SCREEN INDICATORS
1. Fan mode - on or auto
2. System is in auxiliary (supplemental) mode
3. Current temperature
4. Thermostat mode is either off or using emergency heat
5. Fahrenheit
6. Keypad is locked (no padlock means unlocked)
7. Celsius
8. Battery strength indicator
9. Selected cooling set point: "on" indicates system is in cooling mode
10. Second stage of cooling is active
OPERATING THE THERMOSTAT
Setting the temperatures for heating and cooling
Your thermostat is installed with the heating set at 68 ° F and the cooling set at 72 ° F.
You can use these or change them so your home is as warm or as cool as you would
like it to be. These steps will hold the temperature where you set it.
ton on the left until the screen says heat. ©
2. Press the up or down button located on the right side of
the display until you reach the desired temperature, o_:]
3. To change the cooling temperature, press the mode but- o
ton on the left until the screen says cool.
4. Press the up or down button located on the right side of the display until
you reach the desired temperature.
OPERATING THE THERMOSTAT
Using the fan
When the fan is on. it helps distribute air throughout your home for a more even
temperature in all spaces. You can set the thermostat so that the fan runs only
during your heating and cooling cycles (auto mode) or to run continuously.
The thermostat is set at the factory to run automatically as needed. Here's how to
change the setting so it runs continuously.
1. Press the fan button on the left. The display message will change from auto
fan to fan on.
again. You will see fan auto on the display. •
This manual suits for next models
1
Table of contents
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