White Rodgers 1F90-71 User Manual

OPERATION GUIDE5 Day/2 Day ElectronicDigital Thermostat1F90-71WHITE-RODGERSOperator: Save this booklet for future use!

1012Used to initiate or review thermostat pro-gramming.13Used to start program operation after pro-gramming. Also used to return thermostat toprogram

1117(Blue arrow) Lowers temperature setting(40°F or 4°C minimum).18The red indicator light glows whenever heat-ing, cooling, or fan are in operation.1

12OPERATING FEATURESNow that you are familiar with the thermostatdisplay and buttons, read the following informa-tion to learn about the many features

13switch to the OFF position (see figure be-low). Leave the battery out of the thermostatfor at least two minutes, to allow the ther-mostat to reset i

14stat, if necessary, put the thermostat backon the wall, and restore 24 VAC power. Toset the thermostat for automatic changeoverafter programming, pr

15thermostat will override current program-ming and keep the room temperature at theselected temperature for two hours. Aftertwo hours, the thermostat

16(long cycles), you may want to adjust theanticipation setting.A cooling anticipation setting of less than10 may cause decreased compressor life.To a

1724 VAC power is not being supplied to thethermostat and the thermostat is operatingon battery power only.• AUDIO PROMPTING — Each time youpress a bu

18SETDAYHOLDTEMPADVPRGMProgramming should be completed and batter-ies should be installed before changing GroupA option switches #1 or #2.Limited Temp

19PROGRAMMING YOUR THERMOSTATNow you are ready to program your thermostat.This section will help you plan your thermostat’sprogram to meet your needs.

2About Your New Thermostat . . .Your new White-Rodgers Digital Thermostat uses the technology of a solid-state microcomputerto provide precise time/te

203a. What time do the building occupants reacha minimum activity level (limited personnelin building)?b. What temperature should the building be atth

21Heating Program for ALL days of the Week:FACTORY PREPROGRAMMINGCooling Program for ALL Days of the Week:PERIOD TIME TEMP PERIOD TIMETEMPMORDAYEVENHT

22weekday and weekend programs (for example,you may select 5:00 AM and 70° as the weekdayMOR heating start time and temperature, andchoose 7:00 AM and

23WEEKDAY (5 DAY)WEEKEND (2 DAY)StartTime TemperatureStartTime TemperatureMOR HEATDAY HEATEVE HEATNHT HEATMOR COOLDAY COOLEVE COOLNHT COOLHeating/Cool

24WEEKDAY (5 DAY)WEEKEND (2 DAY)StartTime TemperatureStartTime TemperatureMOR HEATDAY HEATEVE HEATNHT HEATMOR COOLDAY COOLEVE COOLNHT COOLSAMPLEHeatin

253. Press SETCLOCK once. The display window willshow the hour only.EXAMPLE: 4. Press and hold either TIMEFWD or TIMEBACK until youreach the correct

261. Press SYSTEMSWITCH until HEAT is displayed.2. Press VIEWPRGM once. 5 DAY (indicating weekdayprogram), and MOR, representing the morn-ing heating

278. Repeat steps 3 through 7 for the weekdayEVE and NHT heating programs.9. After entering your weekday heating pro-gram, repeat steps 1 through 8 fo

281. Press SYSTEMSWITCH until COOL appears.2. Follow the procedure for entering your heat-ing program, using your selected coolingtimes and temperatur

29QUESTIONS AND ANSWERS1. How can I permanently change a part ofmy program?Press VIEWPRGM until you reach the time/tempera-ture schedule you want. The

3Operator: Save thisbooklet for future use!PROGRAMMING YOURTHERMOSTAT ... 19PLANNING FOR YOUR NEEDSENTERING YOUR PROG

30the normal program function. See PRO-GRAMMING YOUR THERMOSTAT.4. What happens if the electricity goes offor is manually shut off?If you have not ins

31To correct this, remove the thermostat fromthe wall and disconnect the battery. Waitabout one minute, then reconnect the bat-tery. The thermostat wi

328. The display is flashing BATTERY. Whatdoes this mean?The “AA” batteries installed in the thermo-stat are low and should be replaced withfresh “AA”

33• The EMR function is operating. The EMRfunction will automatically bring on thesystem automatically to bring the tem-perature to the selected level

3414. Between heating and cooling seasons, Iwant to turn my system off. Can I do thiswithout affecting my thermostat program-ming?Any time you wish to

3516. Do I have to reprogram my thermostatafter I change the batteries?When the thermostat is on the wall and thesystem has power, the thermostat is b

Part No. 37-5098BReplaces 37-5098A9518If you need further information on programming or operation, write to:White-Rodgers Division, Emerson Electric C

4• Separate 5-day (weekday) and 2-day (week-end) setback programming• Simultaneous heat and cool program storage• Four separate time/temperature setti

5OPERATING YOUR THERMOSTATBefore you begin programming your thermo-stat, you should be familiar with its features andwith the display and the location

6PARTS OF THE THERMOSTATThe Back of The Thermostat BodyTurn the thermostat body over. On the back arethe 3 “AA” Energizer® alkaline batteries and thet

7Other than and , the buttons arelocated behind the thermostat door. To open thedoor, put your fingernail in the indentation at thetop of the door,

85The word BATTERY flashes on the displaywhen the “AA” alkaline batteries are weakand should be replaced. The word BAT-TERY is displayed continuously

91 324SYSTEMSWITCHFANSWITCHHEAT-OFF-COOL-AUTOTIMEFWDTIMEBACKSETCLOCKSETDAYVIEWPRGMRUNPRGMHOLDTEMPADVPRGM2 DAY5 DAYFAN AUTO FAN ONON-AUTO5 DAY FAN AUTO