White Rodgers 1F90-71 - Manuals

6 PARTS OF THE THERMOSTAT The Back of The Thermostat Body Turn the thermostat body over. On the back arethe 3 “AA” Energizer ® alkaline batteries and the two option switch groups (A and B).1. The “AA” Energizer ® alkaline batteries pro- vide power to the thermostat when the24 VAC power is interrupte...

7 Other than and , the buttons are located behind the thermostat door. To open thedoor, put your fingernail in the indentation at thetop of the door, then pull the door out from the topand swing it down on its hinges.On the following pages there are brief descrip-tions of the display and the thermos...

8 5 The word BATTERY flashes on the display when the “AA” alkaline batteries are weakand should be replaced. The word BAT-TERY is displayed continuously (non-flash-ing) when thermostat is running on batterypower only. 6 FAN ON is displayed when the blower is operating continuously. FAN AUTO is dis-p...

10 12 Used to initiate or review thermostat pro- gramming. 13 Used to start program operation after pro- gramming. Also used to return thermostat toprogram operation after being in HOLDmode. 14 Used to manually override programming to hold at a selected temperature (when HOLDis displayed). 15 Used t...

12 OPERATING FEATURES Now that you are familiar with the thermostatdisplay and buttons, read the following informa-tion to learn about the many features of thethermostat. • COMPUTED ENERGY MANAGEMENT RECOVERY (EMR) — The thermostat’smicrocomputer can be set to automaticallycalculate the time it will...

13 switch 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 itself. See AUTOMATICCHANGEOVER to determine proper posi-tions of Group B option switches #1 and #2. EMR (ON) Switch #1 (see AUTOMATIC CHANGEOVER) Swi...

14 stat, if necessary, put the thermostat backon the wall, and restore 24 VAC power. Toset the thermostat for automatic changeover after programming, press SYSTEM SWITCH to set the thermostat to AUTO (the setpoint tempera-ture display is blank in the AUTO mode).The system will now automatically swit...

15 thermostat will override current program-ming and keep the room temperature at theselected temperature for two hours. Aftertwo hours, the thermostat will automaticallyrevert to the program. • HOLD TEMPERATURE — The thermostat can hold any temperature within its rangefor an indefinite period, with...

18 SET DAY HOLDTEMP ADV PRGM Programming should be completed and batter-ies should be installed before changing GroupA option switches #1 or #2. Limited Temperature Range Switch #1 OFFSwitch #2 ON Total Keypad Lockout Switch #1 ONSwitch #2 OFF ON 1 2 Group A Option Switches To enable total keypad lo...

19 PROGRAMMING YOUR THERMOSTAT Now you are ready to program your thermostat.This section will help you plan your thermostat’sprogram to meet your needs.For maximum comfort and efficiency, keep thefollowing guidelines in mind when planning yourprogram. • When heating (cooling) your building, pro- gra...

21 Heating Program for ALL days of the Week: FACTORY PREPROGRAMMING Cooling Program for ALL Days of the Week: PERIOD TIME TEMP PERIOD TIME TEMP MOR DAYEVENHT 5:00 AM9:00 AM4:00 PM 10:00 PM 70707064 MOR DAYEVENHT 5:00 AM9:00 AM4:00 PM 10:00 PM 78827878 Now look at the factory preprogrammed timesand t...

22 weekday and weekend programs (for example,you may select 5:00 AM and 70 ° as the weekday MOR heating start time and temperature, andchoose 7:00 AM and 76 ° as the weekday MOR cooling start time and temperature). Use thefollowing table to plan your program time peri-ods, and the temperatures you w...

23 WEEKDAY (5 DAY) WEEKEND (2 DAY) Start Time Temperature Start Time Temperature MOR HEAT DAY HEAT EVE HEAT NHT HEAT MOR COOL DAY COOL EVE COOL NHT COOL Heating/Cooling Schedule Plan

25 3. Press SET CLOCK once. The display window will show the hour only. EXAMPLE: 4. Press and hold either TIME FWD or TIME BACK until you reach the correct hour and AM/PM designa-tion (AM begins at midnight; PM begins atnoon). 5. Press SET DAY once. The display will show the day of the week as an ab...

27 8. 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 for yourweekend programming (keep in mind thatfor weekend programming, the displayshould be changed from 5 DAY to 2 DAY). 10. When you have completed ...

29 QUESTIONS AND ANSWERS 1. How can I permanently change a part ofmy program? Press VIEW PRGM until you reach the time/tempera- ture schedule you want. Then press TIME FWD or TIME BACK and and to change the program. See PROGRAMMING YOURTHERMOSTAT. 2. How can I have no change in tempera-ture from one...

33 • The EMR function is operating. The EMRfunction will automatically bring on thesystem automatically to bring the tem-perature to the selected level by the begin-ning of the next program period. SeeOPERATING YOUR THERMOSTAT. • You have programmed the incorrect dayor time. Check your programming (...

34 14. Between heating and cooling seasons, I want to turn my system off. Can I do thiswithout affecting my thermostat program-ming? Any time you wish to turn your system off, simply press SYSTEM SWITCH until the display shows OFF. This will not affect your thermostat’sprogramming in any way. To tur...

35 16. Do I have to reprogram my thermostat after I change the batteries? When the thermostat is on the wall and thesystem has power, the thermostat is beingpowered by a 24 VAC source. If power islost, or if the thermostat is removed from thewall, the program will be retained for ap-proximately one ...