Honeywell TH8000 Series manual Remove thermostat from the base by pulling straight out

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1.Remove thermostat from the base by pulling straight out.

WALL

REMOVE DURING

INSTALLATION

M19919

2.Install three new AAA alkaline batteries so all positive ends alternate up, down, up.

NOTE: Always use AAA alkaline batteries.

20

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Contents TH8000 Series Programmable Thermostats Contents Features Home Screen Key Description Down ArrowHome Screen Display Description TimeProgramming Your Heating and Cooling Schedule Editing ScheduleM19955 Saving Changes Cancelling a Schedule Period OK to Pick Multiple Days FAN Setting Time Setting Fan and System Keys Setting FAN KEYSetting System KEY Operating Your ThermostatSetting Temperature Overrides Hold Temperature Until Temporary HoldPermanent Hold Vacation Hold Inside Fan Schedule Fan Status Displayed on Home ScreenManual Override of Fan Schedule Replacing Your Batteries Remove thermostat from the base by pulling straight out Batteries Cleaning Your Thermostat Screen Reading Your Outdoor Temperature Select Models View Outside Temperature Select ModelsMultiple Remote Indoor Sensors Installed Select Models Reading Your Remote Indoor Temperature Select ModelsONE Remote Indoor Sensor Installed Select Models Reminder Timers Select Models Resetting Expired TimersView or Reset Timer Settings Before They Expire Screen LockedPartially Locked Screen Fully Locked Screen Reading Your Inside Humidity Level Select ModelsInside Temperature Recovery Dehumidification Control Select ModelsRecovery Advanced Heat Pump Features Select Models Setting CalendarSetting Calendar After Thermostat is Already Functioning Setting Calendar When Thermostat is First PoweredSET Current DAY SET Month Advanced Settings Press to Exit Change User Setup Current Setting User Setup Number 0140 Current Calendar Month User Setup Number 0320 Display Temperature Shown in F or C User Setup Number 0150 Current Calendar DateUser Setup Number 0160 Schedule Options User Setup Number 0330 Daylight Savings On or Off User Setup Number 0500 Furnace Air Filter TimerUser Setup Number 0510 Humidifier Pad Timer User Setup Number 0520 UV Lamp TimerUser Setup Number 0640 Time Format User Setup Number 0670 Screen Lockout Function Exit User SetupFrequently Asked Questions and Answers Limited Five-Year Warranty Customer Assistance