White Rodgers 1F90W-71 manual

OPERA TION GUIDE 5 Day/2 Day Electronic Digital Thermostat 1F90W -71 Operator: Save this booklet for future use! WHITE-RODGERS WHITE-RODGERS[...]

2 About Y our New Thermostat . . . Your new White-Rodgers Digital Thermostat uses the technology of a solid-state microcomputer to provide precise time/temperature control. This thermostat offers you the flexibility to design heating and cooling programs that fit your needs. Please read this manual thoroughly before operating or programming your th[...]

3 PROGRAMMING YOUR THERMOSTAT .................................... 19 PLANNING FOR YOUR NEEDS ENTERING YOUR PROGRAM Set Current Time and Day Enter Heating Program Enter Cooling Program CHECK YOUR PROGRAMMING QUESTIONS AND ANSWERS ................. 29 YOUR NEW THERMOSTAT'S FEATURES ............................................ 4 OPERATING YOUR T[...]

4 • Separate 5-day (weekday) and 2-day (week- end) setback programming • Simultaneous heat and cool program stor- age • Four separate time/temperature settings per 24-hour period • Computed Energy Management Recovery (EMR) • Automatic changeover (operator-selectable) • Armchair programming capability • Backlit LCD displays continuous [...]

5 OPERA TING YOUR THERMOST A T SUBBASE THERMOSTAT BODY Before you begin programming your thermo- stat, you should be familiar with its features and with the display and the location and operation of the thermostat buttons. The information in this section will help you become familiar with your new thermostat so that you can easily program it. Your [...]

6 these, then gently pivot the thermostat body down to connect the three pin connectors on the lower portion of the thermostat back. Gently push until the snap connectors engage. DO NOT FORCE OR PRY THE THERMOSTAT, as this may damage the unit. PARTS OF THE THERMOSTAT The Back of The Thermostat Body Turn the thermostat body over. On the back are the[...]

7 2. You may adjust the option switches for keypad lockout, limited temperature range, and automatic changeover from heat to cool (see OPERATING FEATURES ). Other than and , the buttons are located behind the thermostat door. To open the door, pull the door out from the top, then swing it down on its hinges. On the following pages there are brief d[...]

8 The word BATTERY flashes on the display when the "AA" alkaline batteries are weak and should be replaced. The word BAT- TERY is displayed continuously (non-flash- ing) when thermostat is running on battery power only. FAN ON is displayed when the blower is operating continuously. FAN AUTO is dis- played during automatic fan operation (w[...]

9 1 2 3 4 6 6 2 DAY 5 DAY 2 3 4 FAN AUTO FAN ON 5 DAY FAN AUTO 5 BATTERY TIME FWD SYSTEM HEAT-OFF-COOL-AUTO SET CLOCK VIEW PRGM HOLD TEMP TIME BACK FAN ON - AUTO SET DAY RUN PRGM ADV PRGM[...]

10 Used to initiate or review thermostat pro- gramming. Used to start program operation after pro- gramming. Also used to return thermostat to program operation after being in HOLD mode. Used to manually override programming to hold at a selected temperature (when HOLD is displayed). Used to advance thermostat program to the next program period (fo[...]

11 10 11 12 13 14 15 16 17 18 9 7 8 5 DAY FAN AUTO TIME FWD SYSTEM HEAT-OFF-COOL-AUTO SET CLOCK VIEW PRGM HOLD TEMP TIME BACK FAN ON - AUTO SET DAY RUN PRGM ADV PRGM[...]

12 OPERATING FEATURES Now that you are familiar with the thermostat display and buttons, read the following informa- tion to learn about the many features of the thermostat. • COMPUTED ENERGY MANAGEMENT RECOVERY (EMR) — The thermostat’s microcomputer can be set to automatically calculate the time it will take to change the temperature to the [...]

13 use a pencil or small screwdriver to move the switch to the OFF position (see figure below). Leave the battery out of the thermo- stat for at least two minutes , to allow the thermostat to reset itself. See AUTOMATIC CHANGEOVER to determine proper posi- tions of Group B option switches #1 and #2. EMR (ON) Switch #1 (see AUTOMATIC CHANGEOVER ) Sw[...]

14 utes , to allow the thermostat to reset itself. Replace the battery, reprogram the thermo- stat, if necessary, put the thermostat back on the wall, and restore 24v AC power. To set the thermostat for automatic changeover after programming, press SYSTEM HEAT-OFF-COOL-AUTO to set the thermostat to AUTO (the setpoint tempera- ture display is blank [...]

15 display shows the temperature you want. The thermostat will override current pro- gramming and keep the room temperature at the selected temperature for two hours. After two hours, the thermostat will auto- matically revert to the program. • HOLD TEMPERATURE — The thermostat can hold any temperature within its range for an indefinite period,[...]

16 (long cycles), you may want to adjust the anticipation setting. A cooling anticipation setting of less than 10 may cause decreased compressor life. To adjust heat anticipation, press SET CLOCK and SET DAY at the same time. The display will show HEAT 5 (this is the factory prepro- grammed heating anticipation setting). You may select any anticipa[...]

17 be replaced. The word BATTERY will be displayed continuously (non-flashing) when 24v AC power is not being supplied to the thermostat and the thermostat is operating on battery power only. • AUDIO PROMPTING — Each time you press a button, the thermostat will beep. • BACKLIT DISPLAY — When you press any button on the thermostat, the displ[...]

18 Total Keypad Lockout Switch #1 ON Switch #2 OFF To enable total keypad lockout, move Group A option switch #1 to ON (see figure above). To disable total keypad lockout, move op- tion switch #1 to OFF . • LIMITED TEMPERATURE RANGE — When Group A option switch #1 is in the OFF position and option switch #2 is in the ON position, the heating an[...]

19 PROGRAMMING YOUR THERMOST A T Now you are ready to program your thermostat. This section will help you plan your thermostat's program to meet your needs. For maximum comfort and efficiency, keep the following guidelines in mind when planning your program. • When heating (cooling) your building, pro- gram the temperatures to be cooler (war[...]

20 2a. What time do the building occupants reach a maximum activity level (using lights, equip- ment, meeting rooms, etc.)? b. What temperature should the building be at this time? These will be your DAY tempera- ture settings. 3a. What time do the building occupants reach a minimum activity level (limited personnel in building)? b. What temperatur[...]

21 b. What temperature should the house be at this time? These will be your NHT (night) temperature settings. Now look at the factory preprogrammed times and temperatures shown on the following page. If this program will suit your needs, simply press RUN PRGM to begin running the factory preset pro- gram. If you want to change the preprogrammed tim[...]

22 Determine the time periods and heating and cooling temperatures for your weekday pro- gram. You must program 4 periods for each day ( MOR , DAY , EVE , and NHT ). However, you may use the same heating and cooling tempera- tures for consecutive time periods. You can choose start times, heating temperatures, and cooling temperatures independently [...]

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[...]

24 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 SAMPLE Heating/Cooling Schedule Plan 5:30 AM 8:00 AM 5:00 PM 10:30 PM 6:30 AM 2:00 PM 5:00 PM 10:30 PM 7:00 AM 11:00 AM 6:00 PM 11:30 PM 7:00 AM 12:30 PM 6:00 PM 11:30 PM 68°F 70°F 70°F 65°F 76[...]

25 Set Current Time and Day 1. Press SET CLOCK once. The display will show minutes only. EXAMPLE: 2. Press and hold either TIME FWD or TIME BACK until you reach the correct minutes. 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 [...]

26 VIEW PRGM until you are at the point where you stopped programming. Then you may continue to enter your programs normally. If you want to stop programming at any time, simply press RUN PRGM to resume program operation. 1. Press SYSTEM HEAT-OFF-COOL-AUTO until HEAT is displayed. 2. Press VIEW PRGM once. 5 DAY (indicating week- day program), and M[...]

27 6. Press VIEW PRGM . The currently programmed start time and heating temperature for week- day DAY will be displayed. 7. Repeat steps 3 through 5 to select the start time and heating temperature for the week- day DAY program. 8. Repeat steps 3 through 7 for the weekday EVE and NHT heating programs. 9. After entering your weekday heating pro- gra[...]

28 1. Press SYSTEM HEAT-OFF-COOL-AUTO until COOL appears. 2. Follow the procedure for entering your heat- ing program, using your selected cooling times and temperatures. CHECK YOUR PROGRAMMING Follow these steps to check your thermostat programming one final time before beginning thermostat operation. 1. Press SYSTEM HEAT-OFF-COOL-AUTO until HEAT [...]

29 Press FAN ON – AUTO until FAN AUTO is displayed (automatic cycling). QUESTIONS AND ANSWERS 1. How can I permanently change a part of my program? Press VIEW PRGM until you reach the time/tem- perature schedule you want. Then press TIME FWD or TIME BACK and and to change the program. See PROGRAM- MING YOUR THERMOSTAT . 2. How can I have no chang[...]

30 programming, press VIEW PRGM until you return to the point where you stopped program- ming. Then you may continue to program the thermostat normally. If you want to stop programming at this point, press RUN PRGM to start the normal program function. See PROGRAMMING YOUR THERMOSTAT . 4. What happens if the electricity goes off or is manually shut[...]

31 During periods of low humidity (especially during cold weather), you may feel or see a spark discharge when you touch the ther- mostat. This may cause the program to be lost or the thermostat to display incorrectly. To correct this, remove the thermostat from the wall and disconnect the battery. Wait about one minute, then reconnect the bat- ter[...]

32 8. The display is flashing BATTERY. What does this mean? The "AA" batteries installed in the thermo- stat are low and should be replaced with fresh "AA" Energizer ® alkaline batteries. See OPERATING YOUR THERMOSTAT . 9. The display shows a continuous (non- flashing) BATTERY. What does this mean? The thermostat is not being s[...]

33 sons. • The EMR function is operating. The EMR function will automatically bring on the system automatically to bring the temperature to the selected level by the beginning of the next program period. See OPERATING YOUR THERMO- STAT . • You have programmed the incorrect day or time. Check your programming (be sure that the times you programm[...]

34 14. Between heating and cooling seasons, I want to turn my system off. Can I do this without affecting my thermostat pro- gramming? Any time you wish to turn your system off, simply press SYSTEM HEAT-OFF-COOL-AUTO until the display shows OFF . This will not affect your thermostat’s programming in any way. To turn the sys- tem back on, press SY[...]

35 batteries installed or if the installed batteries are dead. If you are changing the batteries after seeing a flashing BATTERY on the display, the installed batteries may be dead. If you remove the old batteries and install fresh ones within one minute, you should not lose your thermostat programming. Af- ter installing new batteries, follow the [...]

Part No. 37-5088A 9139 If you need further information on programming or operation, write to: White-Rodgers Division, Emerson Electric Co. 9797 Reavis Road St. Louis, MO 63123 Attn: Technical Service Department R[...]