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Carrier TC-NAC User Manual

Carrier TC-NAC
30 pages
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Owner's Manual
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Carrier TC-NAC Specifications

General IconGeneral
Temperature Range45°F to 90°F (7°C to 32°C)
TypeNon-programmable
Power SourceBattery
ControlManual
Temperature SensingInternal
MountingWall

Summary

Button Identification

FAN Button

Selects fan operation mode: continuous (on) or automatic.

MODE Button

Selects thermostat operation mode: heat, cool, auto, or off.

UP / DOWN Buttons

Adjust temperature setpoints or navigate screen selections.

On-Screen Indicators

Operating the Thermostat

Setting Temperatures

How to adjust heating and cooling setpoints for desired comfort levels.

Fan Operation

Controls fan operation for air distribution: continuous (on) or automatic.

Emergency Heat

Manually activating auxiliary heat for heat pumps during extreme cold.

Battery Installation/Replacement

Step-by-step guide for battery maintenance and replacement procedures.

System Off and Auto Changeover

How to turn the system off and how auto changeover mode functions.

Advanced Options

Feature Codes Chart

Lists customizable features, configuration codes, and change indications.

Temperature Units

Guide to changing temperature display from Fahrenheit to Celsius.

Continuous Backlighting

Instructions to enable constant display backlighting for better visibility.

Keypad Lockout and Unlock

How to lock and unlock the thermostat keypad to prevent unauthorized changes.

What If...

Display Messages

Explains common indicators like battery icon, 'Aux heat on', and 'Em heat'.

System Anomalies

How the thermostat handles power outages and system error messages.

Common Terms and Where to Find Them

Thermostat Limited Warranty

Warranty Service and Registration

Procedures for obtaining warranty service and registering the product.

Warranty Application

Details warranty terms for different residential and commercial applications.

Warranty Conditions and Limitations

Outlines requirements for warranty validity and exclusions from coverage.

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