User Guide

Status Indicators
Statusindicatorsappearinthedisplaytoletyouknowifyoursystemis
heating,coolingoroff.
HEAT
Ifashing, indicatesthatyourheating
systemisrunning.
COOL
Ifashing,indicatesthatyourcooling
systemisrunning.
FILT Indicatesthataservicereminderhasexpired.
(see“ServiceFilterMonitor”,page8).
Additional status indicators (Model 2200NC Only):
AUX Indicatesthattheauxiliarystageofheatingisrunning
(multi-stagesystemsonly)orthattheemergencyheating
systemisrunning(heatpumpsystemsonly).
Program Event Indicators
ProgramEventIndicatorsappearinthedisplaytoletyouknowwhatpart
ofyourcurrentprogramisactive.The4differentprogrameventindicators
areMORN,DAY,EVEandNIGHT.
MORN,DAY,EVEorNIGHTwillashifatemporarysetpointchangeis
made.Theashwillstopatthenextprogramevent.
Note: MORN, DAY, EVE or NIGHT will not show while in HOLD Mode.
Resetting the Thermostat
Thisthermostatprovidesyouwitharesetbuttonthatwilleraseallofyour
usersettingsandprogramming.
Toresetthethermostat,useasmallobjectsuchasatoothpickorpaper-
clipandgentlypressthebuttonlocatedinsidethesmallholeonthefrontof
thethermostathousinglabeled“reset”.
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Additional Operation Features
Compressor Protection
Thisthermostatincludesanautomaticcompressorprotectiondelayto
avoidpotentialdamagetoyoursystemfromshortcycling.Thisfeature
activatesashortdelayafterturningoffthesystemcompressor.
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