Carrier TC-NAC Owner'S Manual Download Page 1 | Manualshive

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Summary of Contents for TC-NAC

Page 1: ...Owner s Manual ...

Page 2: ...r 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 ...

Page 3: ... 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 ...

Page 4: ...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 ...

Page 5: ...BUTTON IDENTIFICATION fan ...

Page 6: ...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 ...

Page 7: ...ON SCREEN INDICATORS off Em heat aux heat on fan auto fan on actual temp O0 cool I _ 1_ on2_ set at ...

Page 8: ...ode 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 ...

Page 9: ...ld 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 ...

Page 10: ...ermostat 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 ...

Page 11: ...at pump isn t working at all you can turn on the emergency heat for that extra help You ll know there s a problem if the house can t seem to get warm when it s very cold outside You want to avoid using emergency heat though because it s the most expensive option And of course if you suspect a problem with your heat pump call your heating and cooling dealer immediately Here s how to set your thermo...

Page 12: ... will be black As the batteries get weaker the icon goes down to one black bar and then none When the icon is empty you will begin to lose thermostat functions when it is battery powered When the batteries are completely dead you won t be able to use the thermostat When using batteries for power we recommend that you replace the batteries at the one bar level with two AA alkaline batteries They re...

Page 13: ...rface You will see the batteries in the lower right corner 5 Remove and discard the old batteries 6 Install new batteries by matching the plus and minus ends of the batteries with the plus and minus indicat ors you ll see outside the two white battery shapes in the space where the batteries sit 7 Snap the batteries into place 8 Put the thermostat back on the wall bracket by lining up the slot on t...

Page 14: ...racket bring the thermostat back to the jf_ _ wall Line up the latch at the top of the thermostat with the corresponding lip on the wall bracket 10 Lightly push the thermostat toward the wall When the latch and lip are lined up properly you will hear the thermostat snap into place 11 Close the door ...

Page 15: ...ft repeatedly until the display shows off in the upper left 0 Auto changeover The thermostat uses one of five modes heat cool Em heat heat pump version only auto and off When the mode selection is auto the thermostat is in auto changeover mode This allows the system to switch from heating to cooling or from cooling to heating to maintain the temperatures you ve set It does this automatically ...

Page 16: ...ew features of your thermostat This chart shows which features you can change and the codes associated with them The codes will be shown on the display when you follow the instructions Fahrenheit to Celsius U1 F or C backlighting U2 On or Of keypad lockout U3 Of On padlock _j_ ...

Page 17: ...in degrees Fahrenheit You can change this to Celsius 1 Press and hold the mode button for about three seconds The display will show U7 and the letter F in the center 2 Press the tip or down button on the right to change it from F Fahrenheit to O Celsius 3 Press the fan button on the left to exit this screen ...

Page 18: ...ount of backlighting until you press any button which increases the lighting temporarily Here s how to turn on the constant backlight when your thermostat is powered by electricity 1 Press and hold the mode button for about three seconds The display will show U1 and the letter F in the center 2 Press the mode button twice The display will show U2 and Off 3 Press the up or down button on the right ...

Page 19: ...rmostat is installed Here s how to activate it 1 Press and 11016 the mode button for about three o o O1_ seconds The display will show U1 and the letter F in the center 2 Press the mode button until the display shows U3 and Of 3 Press the up or down button on the right to change it from Of to On You will also see a padlock which indic ates the keypad is locked 4 Press the fan button on the left to...

Page 20: ...d 1 Press and hold the up anddown buttonson the right o_ simultaneously for about five seconds o 2 The padlock icon will disappear This means the keypad is unlocked and can be used The keypad will revert back to the locked state after you ve stopped pushing buttons for two minutes ...

Page 21: ...ux heat on is auxiliary heat It applies only to the heat pump version If it is on you will see aux heat on When it is displayed it means the system has determined that it s too cold outside for your heat pump to heat the house without help so it s getting help from the electric heaters This hap pens automatically Em heat is displayed heat pump systems only Em heat is the display term for emergency...

Page 22: ...n though your heating and cooling system doesn t work you will still be able to monitor your home s temperature You get a system error message Here are the possible system error messages and what they mean The room air sensor reports that the room air temperature is above 150 or below 50 E4 The memory has failed and the thermostat will return to the default factory settings Call your heating and c...

Page 23: ...knows when to use this help and does so automatically If it s using auxiliary heat the display will show aux beat on You have no control over the auxiliary heat function Backlighting page 17 Backlighting illuminates your display when you push a button Emergency heat heat pump systems only page 10 You can manually set the thermostat to use emergency heat but it is the most expensive option If it s ...

Page 24: ...mpany warrants this product against failure due to defect in materials or workmanship under normal use and maintenance as follows All warranty periods begin on the date of original installation If a part fails due to defect during the applicable warranty period Company will provide a new or remanufactured part at Company s option to replace the failed defective part at no charge for the part Alter...

Page 25: ...Active electronic finished good accessories such as the op tional ExP module have different warranty terms See product for details OTHER RESIDENTIAL APPLICATIONS Apartments Rental Properties etc The warranty period is five 5 years The warranty is to the original owner only and is not transferable OTHER APPLICATIONS The warranty is one 1 year on all such applications The warranty is to the original...

Page 26: ...product manufacture as indicated by the model and serial number Proof of purchase may be required at time of service 4 The remainder of the first five years of warranty is freely transferable without registration 5 Product must be installed properly and by a licensed HVAC technician 6 The warranty applies only to products remaining in their original installation location 7 Installation use care an...

Page 27: ...to voltage conditions blown fuses open circuit breakers or damages due to the inadequacy or interruption of electrical service 6 Failure or damage due to floods winds fires lightning accidents corrosive environments rust etc or other conditions beyond the control of Company 7 Parts not supplied or designated by Company or damages resulting from their use 8 Products installed outside the U S A or i...

Page 28: ...NOTES PAGE ...

Page 29: ...NOTESPAGE ...

Page 30: ...p 7310 W Morris St Indianapolis IN 46231 Edition Date 05 12 Catalog No OM TCNHP O5CA Replaces OM TCNHP O4CA Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations ...

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