Owner's ManualPROGRAMMABLE DIGITAL THERMOSTAT53DFS250-FS©©[][]-q Liquid Crystal Displaywith Thermoglew TM Backlight[_ Up/Down Buttons[]Mode ButtonF4] Override ButtonFq Heat or Cool IndicatorHeat = Red, Cool = Green[_Ternperature Sensor BubbleI1€1,'1_Bill [_FRONT PANEL 1DISPLAY 1QUICK START Set the clock and go 2BASIC OPERATION 2PROGRAMMING Occupied andUnoccupied Periods 3ADVANCED SETUP 4ABOUT ADVANCED FEATURESAND OPERATION 5WARRANTY 7IMPORTANT: Follow Installation Instructionsbefore proceeding.CAUTION: SETTHERMOSTAT TO MODE "OFF"PRIOR TO CHANGING SETTINGSIN SETUPORRESTORING FACTORY DEFAULTS,7-Day Programmable3 Occupied periods and 1 Unoccupied periodAuto ChangeoverLarge, Easy To Read DisplayThermoglow TM BacklightRemote Sensor ReadyDry Contact EquippedEnergy Saving Smart FanFan Purge, IAQ FeatureMeets California Title 24.... 2I _,I |1|11A Sta []__ "U U Pm ISt°p IIII[_SuMoTuWeThFrSa-Setup r_,,, w,_,,,[_ sled 123 o ,COOL,LOCKeaun_ _ Override[_ Outside []_On_ ONOFF_[_ HEAT _- []E_ Mode IndicatorsSelects the operation mode of the equipment.HEAT -- indicates the heat mode.COOL -- indicates the air conditioning mode.AUTO -- indicates the system will automaticallychangeover between the heat and coolmodes as the temperature varies.OFF -- indicates the entire system is turned off.PROGRAM ON -- indicates the stored program isenabled to run. See page 2.r_ Clock with of the WeekDayIndicates the current time and day. This clock is alsoused to program the timer periods. See page 2.['3-] Room Temperature DisplayIndicates the current room temperature.[4-] Desired Set TemperatureIndicates desired room temperature(s). See page 2.[5] Override IndicationIndicates the current program is currently being over-ridden for up to 4 hours. See pages 2 and 5.E_] Occupied or Unoccupied IndicationIndicates the program number: Occupied 1,2, 3, orUnoccupied. See pages 3 and 4.Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Catalog No 535-328 Printed in U.SA Form OM53-3 Pg 1 11-04 Replaces: New