White Rodgers 1F91-71 User Manual

OPERATION GUIDEMulti-stage Electronic DigitalThermostat1F91-71WHITE-RODGERSOperator: Save this booklet for future use!

10The Thermostat Buttons7Sets the system mode (HEATing, OFF,COOLing, or AUTOmatic changeover [userselectable feature]).8Selects fan operation (see #6,

1118The red light is on when the 1st stageheating/cooling system is operating. Theyellow light is on when the 2nd or 3rd stageheating/cooling system i

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

13Automatic Changeover (ON)Switch #1 set at installation (DO NOT CHANGE)Switch #2 set at installation (DO NOT CHANGE)Switch #3 set at installation (DO

14• TWO HOUR TEMPERATURE OVER-RIDE — Press or until thedisplay shows the temperature you want.The thermostat will override current pro-gramming an

15too often (short cycles) or not often enough(long cycles), you may want to adjust theanticipation setting.A cooling anticipation setting of lessthan

16• AUDIO PROMPTING — Each time youpress a button, the thermostat will beep.• BACKLIT DISPLAY — When you pressany button on the thermostat, the displa

17FAN is displayed. To override constantfan, press FANSWITCH until FAN is dis-played.PROGRAMMING YOUR THERMOSTATNow you are ready to program your

18First, you should answer the following ques-tions to help you decide what your needs are. Ifyou are using the thermostat for a commercialapplication

19b. What temperature should the house be atthis time? These will be your MOR (morn-ing) temperature settings.6a. What time does the last person leave

2Please read this manual thoroughly before operating or programming your thermostat. If you havequestions, you may write to our Technical Service Depa

20Determine the time periods and heating andcooling temperatures for your weekday pro-gram. You must program 4 periods for each day(MOR, DAY, EVE, and

21WEEKDAY (5 DAY)WEEKEND (2 DAY)StartTime TemperatureStartTime TemperatureMOR HEATDAY HEATEVE HEATNHT HEATMOR COOLDAY COOLEVE COOLNHT COOLHeating/Cool

22WEEKDAY (5 DAY)WEEKEND (2 DAY)StartTime TemperatureStartTime TemperatureMOR HEATDAY HEATEVE HEATNHT HEATMOR COOLDAY COOLEVE COOLNHT COOLSAMPLEHeatin

23ENTERING YOUR PROGRAMFollow these steps to enter the heating andcooling programs you have selected.We recommend that you remove the thermo-stat from

245. Press SETDAY once. The display will show theday of the week as an abbreviation (MO forMonday, TU for Tuesday, etc.).6. Press and hold either TIME

25This display window shows that for theweekday MOR period, the start time is 5:00AM, and 70° is the programmed tempera-ture (this example reflects fa

26Enter Cooling ProgramIf outside temperature is below 50°F, werecommend that you remove the ther-mostat from the wall before proceedingwith the follo

273. Press RUNPRGM.4. Press SYSTEMSWITCH until COOL is displayed.5. Repeat step 2 to check cooling tempera-tures.6. Press RUNPRGM to begin program ope

281. How can I permanently change a part ofmy program?Press VIEWPRGM until you reach the time/tem-perature schedule you want. Then press or and TIME

29programming at this point, press RUNPRGM tostart the normal program function. See PRO-GRAMMING YOUR THERMOSTAT.4. What happens if the electricity go

3In This Guide . . .YOUR NEW THERMOSTAT’SFEATURES ... 4OPERATING YOUR THERMOSTAT ... 5PARTS OF THE THER

30the wall and disconnect the battery. Waitabout one minute, then reconnect the bat-tery. The thermostat will revert to the fac-tory preset program un

318. Why doesn’t the display light come onwhen I press a button? Why don’t I heara beep when I press a button?The display light and audio prompting (b

32If the outside temperature is below 50°F,DO NOT use the button to movethe temperature below the setpoint tem-perature. Property damage may resultd

3312. Why does the blower fan keep runningafter the system has turned off?• You have programmed the fan to runcontinuously during this period. SeePROG

3415. I live in an area where daylight savingstime is observed. How do I change thethermostat clock twice a year withoutaffecting thermostat programmi

35If the thermostat maintains programming,press SYSTEMSWITCH until OFF is displayed, putthe thermostat back on the wall, pressSYSTEMSWITCH again to se

If you need further information on programming or operation, youmay write to our Technical Service Department at the addressshown below.Part No. 37-47

4• Computed Energy Management Recovery(EMR)• Automatic changeover (operator selectable)• Five-day/two-day programming capability• Simultaneous heat an

5Before you begin programming your new ther-mostat, you should be familiar with its fea-tures and with the display and the location andoperation of th

6If the word BAT is flashing in the displaywindow, the battery is low and should bereplaced with a fresh 9 volt Energizer®alkaline battery. The batter

7light and audio prompting, which work onlyon 24 VAC power. If the word BAT is dis-played continuously (non-flashing), the ther-mostat is not being su

8Other than and , the buttons arelocated behind the thermostat door. To openthe door, use your fingernail in the indentationat the top center of th

9SYSTEMSWITCHFANSWITCHHEAT/OFF/COOL/AUTOTIMEFWDTIMEBACKSETCLOCKSETDAYVIEWPRGMRUNPRGMHOLDTEMPADVPRGMDIGITAL MULTI-STAGE COMFORT-SET IIW H I T E - R O D