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Carrier Thermostat Tstatccnac01 B Manual

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OPERATIONALINFORMATION 
Five-minuteCompressorTimeguard 
Thistimerpreventsthecompressorfromstartingunlessithasbeenoffforatleast5minutes.ItcanbedefeatedforIcyclebysimultaneously 
pressingtheFANmodebuttonandtheINCREASETEMPERATUREbutton. 
Fifteen-minuteCycleTimer 
Thistimerpreventsthestartofaheatingorcoolingcycleuntilatleast15minutesafterthelaststartofthesamecycle.Itsfunctionistoassure 
thatequipmentisnotcycledmorethan4timesperhr,Thistimerisdefeatedfor1cyclewhenthedesiredtemperatureismanuallychanged. 
ItcanalsobedefeatedforIcyclebysimultaneouslypressingtheFANmodebuttonandtheINCREASETEMPERATUREbutton. 
Fifteen-minuteStagingTimer 
Inmultistageheatingorcooling,thistimerpreventsanyhigherstagefromturningonuntiltheprecedingstagehasbeenonfor15minutes. 
Thistimerisdefeatedifthetemperatureerrorisgreaterthan5°F(usuallyduetoalargechangeindesiredtemperature). 
Three-minuteMinimumOnTime 
Innormaloperation,whenastageturnson,itwillnottamoffforaminimumof3minutes. 
Heat/CoolSetPoints(DesiredTemperatures) 
Aminimumdifferenceof2°Fisenforcedbetweenheatingandcoolingsetpoints.Thisisdonebyallowingonesettingtopushtheother,to 
maintainthisdifference. 
AutoChangeover 
Whentheautochangeovermodeisselected,achangefromheattocool(orviceversa)willnotoccuruntilanoppositemodedemandhasexisted 
for20minutes.Ifthesetpointischanged,the20minuterequirementisdeleted.Automodemaybedisabled. 
EmergencyHeatMode 
Whenthermostatisconfiguredasaheatpumpandemergencyheatmodeisselected,allYsignalsarelockedoutandWbecomesenergized 
uponacallforheat. 
HeatOnandCootOnIcons 
Whenaheatingorcoolingdemandexists,theHEATONorCOOLONiconwilleitherremainonorflash.Ifflashing,theequipmentis 
temporarilypreventedfromturningonbyoneofthetimers(seeabove).Whiletheiconremainsonwithoutflashing,theequipmentison. 
PowerOnCheck 
WhenACpowerisfirstapplied,allsegmentsofthedisplayareturnedonforafewsec.Followingthis,thetemperaturedisplayindicatesthe 
model/configurationviathefollowing2digitcode: 
AC--l-speedairconditioner,HP--l-speedheatpump,A2--2-speedairconditioner,H2--2-speedheatpump. 
ErrorCodes 
----Ifthethermostatcannotproperlyreadroomtemperature,thedisplaywillindicate--(2dashes)andalloutputs(exceptthefanifon)will 
turnoff.Thisistopreventoperationoftheequipmentifthethermostathasfailed. 
E2--IftheAClinevoltagedropsbelowaminimum(brownout)level,alloutputsareturnedoffandthedisplayindicatesE2.Thiscondition 
willremainfor15secafterproperlinevoltageisrestored.IftheAClinevoltagedisappearscompletely,thedisplaywillimmediatelygoblank. 
E3--Ifthethermostatcannotproperlyreadoutdoortemperature,anditisneededforproperoperation(HeatpumpsystemandOption8is 
notsettoOF),E3willflashalternatelywithroomtemperature, 
-*ThermostatTroubleshooting 
SYMPTOMWHATTOCHECK 
BlankLeDCheckfor24vacbetweenRandCatterminalconnections.BothRandCmustbecon- 
nettedforproperoperation. 
Temperatruesensorreadingoutofrange.Checksensorfordamage.Ifrecyclingpower 
-(2dashes)ontemperaturedisplaydoesnotcleardisplay,thermostatshouldbereplaced. 
E2ontemperaturedisplayBrownoutconditionortoolowofvoltagetothermostat.Doublecheckwidngandcheekfor 
Z4vacbetweenRandC.E2willclear15secafterpropervoltageisrestored. 
E3ontemperaturedisplayTheoutdoortemperaturesensorisopen,notconnected,orshorted. 
AftertheselectednumberofhourofbloweroperationFILTERwilldisplayonLCD.This 
FILTERontemberaturedisplayistoremindthehomeownerto•checkthetilter.PressRESETFILTERbuttontoclear 
displayandresettimerto0. 
SelectCOOLmode.Setdesiredtemperaturetot0°Fbelowroomtemperature.Simulta- 
CoolingwillnotcomeonneouslypressFANandINCREASETEMPERATUREbuttonstodefeattimers.Checkfor 
COOLONiconand24vacatY(first-stage)terminal.Ifpresent,thermostatisOKand 
problemiswithequipmentorwiring.Ifnotpresent,replacethermostat. 
SelectHEATmode.Setdesiredtemperatureto10°Faboveroomtemperature.Simulta- 
•neouslypres_FANandINCREASETEMPERATUREbuttonstodefeattimers.Checkfor 
HeatingveiUnotcomeonHEATONand24vacatY(first-stage)terminal(withheatpump)orW/Wt(withaircondi- 
tioner)terminal.Ifpresent,thermostatisOKandproblemiswithequipmentorwidng.If 
notpresent,replacethermostat. 
11
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NON-PROGRAMMABLETHERMOSTATCONFIGURATIONRECORD 
Date 
Owner/Operator ThermostatModelNo 
A)HardwareConfiguration 
R19ResistorlocatedonModelHPand2Sonly.(Uncut=EnableHeatPumpOperation, 
Cut=AirConditionerOperation) 
NOR19Resistorpresent.(ModelACthermostatonly) 
B)ModeSettings 
__Mode(Off,Heat,Cool,Auto,Eheat) 
__HeatingSetPointValue 
__CoolingSetPointValue 
__Fan(AutoorOn) 
C)ConfigurationOptions 
1__Anticipator(1-9:factorydefault=3) 
2___CleanFilterTimer(Offor1-9:factorydefault=2) 
3__.FahrenheitorCelsius(ForC:factorydefault=F) 
4FanOnwithW(OfforOn:factorydefault=Off) 
5-6__.N/A 
7__ZoningSelection(OfforOn:factorydefault=Off) 
8__AuxiliaryHeatLockout(Offor5-55F:factorydefault=Off) 
9-12__N/A 
13RoomTemperatureOffset(-5to+5:factorydefault=0) 
14N/A 
15__EnableAutoMode(OfforOn:factorydefault=On) 
A98468 
Copy_ght1998CARRIERCoq).•7310W.MorrisSt.°Ind_,napolis,IN46231tstat16si 
Manufacturerrese_estherighttodiscontinue,orchangeatanytime,specificationsordesignswithoutnoticeandwithoutIncurringobll_aUons, 
B°°kITabmisc,llmisc,4PC101CatalogNO.03TS-TA5PdntedinU.S.A.FormTSTAT-16SIPg1210-98Rep_ces:TSTAT-14SI
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