White Rodgers 1F91W-71 manual

OPERA TION GUIDE Multi-stage Electronic Digital Thermostat 1F91W -71 WHITE-RODGERS Operator: Save this booklet for future use![...]

2 Please read this manual thoroughly before operating or programming your thermostat. If you have questions, you may write to our Technical Service Department at the address shown on the back cover of this booklet. About Y our New Thermostat . . . Your new Digital COMFORT SET II Multi-stage Thermostat uses the technology of a solid-state microcompu[...]

3 In This Guide . . . YOUR NEW THERMOSTAT'S FEATURES ........................................... 4 OPERATING YOUR THERMOSTAT ........ 5 PARTS OF THE THERMOSTAT The Back Of the Thermostat Body The Display The Thermostat Buttons OPERATING FEATURES PROGRAMMING YOUR THERMOSTAT ................................... 17 PLANNING FOR YOUR NEEDS ENTERING[...]

4 • Computed Energy Management Recovery (EMR) • Automatic changeover (operator selectable) • Five-day/two-day programming capability • Simultaneous heat and cool program stor- age • Preprogrammed temperature control • Four separate time and temperature set- tings per 24-hour period • Armchair programming capability • Audio and visua[...]

5 Before you begin programming your new ther- mostat, you should be familiar with its features and with the display and the location and opera- tion of the thermostat buttons. The information in this section will help you become familiar with your thermostat so that you can easily program it. Your thermostat consists of two parts: the thermostat bo[...]

6 PARTS OF THE THERMOSTAT The Back of the Thermostat Body Turn the thermostat body over. On the back are the 9 volt Energizer ® alkaline battery and the option switches. 1. The 9 volt Energizer ® alkaline battery pro- vides power to the thermostat when the 24 VAC power is interrupted (for example, when you remove the thermostat from the wall for [...]

7 line battery. The battery will provide power for all functions except the display light and audio prompting, which work only on 24 VAC power. If the word BAT is displayed con- tinuously (non-flashing), the thermostat is not being supplied with 24 VAC power and is being powered by the battery alone. Before removing thermostat from the wall to repl[...]

8 Other than and , the buttons are located behind the thermostat door. To open the door, use your fingernail in the indentation at the top center of the door. Pull the door out, then swing the door down on its hinges. Following are brief descriptions of the display and the thermostat buttons. The Display Continuously displays system mode ( HEAT , O[...]

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

10 The Thermostat Buttons Sets the system mode ( HEAT ing, OFF , COOL ing, or AUTO matic changeover [user selectable feature]). Selects fan operation (see #6, above). This button is also used to program the fan to run continuously during a program period. Runs display forward or backward through time, day, or anticipation settings during programmin[...]

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

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 mi- crocomputer automatically calculates the time it will take to change the temperature to the next progr[...]

13 power. If the switch is OFF (down), use a pencil or small screwdriver to move the switch to the ON position (see figure at right). Leave the battery out of the thermo- stat for at least two minutes , to allow the thermostat to reset itself. DO NOT MOVE ANY OTHER OPTION SWITCH , as it may affect thermostat operation. Replace the battery, put the [...]

14 • TWO HOUR TEMPERATURE OVER- RIDE — Press or until the 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[...]

15 A cooling anticipation setting of less than 10 may cause decreased compres- sor life. To adjust anticipation, press SET CLOCK and SET DAY at the same time. The display will show HEAT 8 (this is the factory preprogrammed heating anticipation setting). You may se- lect any anticipation setting from 4 to 40. Whenever adjusting anticipation, increas[...]

16 • BACKLIT DISPLAY — When you press any button on the thermostat, the display is lit for approximately eight seconds (this fea- ture works only when the thermostat is attached to the wall and 24 VAC power is present to the thermostat). • COMPRESSOR SHORT CYCLE PROTEC- TION — To protect your compressor from potential damage due to rapid cy[...]

17 PLANNING FOR YOUR NEEDS This thermostat will store separate heating and cooling programs for five-day (weekday) and two-day (weekend) operation. Usually, the five- day program is set to run Monday through Fri- day, and the two-day program is set to run Saturday and Sunday. However, you may choose any five consecutive days to be your weekday prog[...]

18 questions 1 through 4. If you are using the thermostat in your home, answer questions 5 through 8. Keep in mind that you should plan for both weekday and weekend programs. FOR COMMERCIAL APPLICATIONS: 1a. What time does the first person arrive at the building in the morning? b. What temperature should the building be at this time? (heating? cool[...]

19 6a. What time does the last person leave the house in the morning? b. What temperature should the house be at this time? These will be your DAY tempera- ture settings. 7a. What time does the first person arrive home in the evening? b. What temperature should the house be at this time? These will be your EVE (evening) temperature settings. 8a. Wh[...]

20 Heating Program for ALL days of the Week: Cooling Program for ALL Days of the Week: PERIOD TIME TEMP PERIOD TIME TEMP MOR DAY EVE NHT 5:00 AM 9:00 AM 4:00 PM 10:00 PM 70 70 70 64 MOR DAY EVE NHT 5:00 AM 9:00 AM 4:00 PM 10:00 PM 78 82 78 78 FACTORY PREPROGRAMMING Determine the time periods and heating and cooling temperatures for your weekday pro[...]

21 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[...]

22 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 4:30 PM 11:00 PM 8:00 AM 12:00 PM 4:30 PM 11:00 PM 7:30 AM 2:00 PM 6:00 PM 12:00 AM 8:00 AM 2:00 PM 6:00 PM 12:00 AM 68° 66° 70° 66° 76° 78[...]

23 ENTERING YOUR PROGRAM Follow these steps to enter the heating and cooling programs you have selected. We recommend that you remove the thermostat from the wall for programming (especially for entering cooling programming). A fresh 9 volt Energizer ® alkaline battery must be installed to perform off-wall programming. BE SURE SYS- TEM SWITCH IS S[...]

24 5. Press SET DAY once. The display will show the day of the week as an abbreviation ( MO for Monday, TU for Tuesday, etc.). 6. Press and hold either TIME FWD or TIME BACK until you reach the current day of the week. 7. Press RUN PRGM once. The display will show the correct time and room temperature alter- nately. Enter Heating Program During pro[...]

25 AM, and 70 ° is the programmed tempera- ture (this example reflects factory prepro- gramming). 3. To change the displayed start time to your selected start time for weekday MOR heat program, press TIME FWD or TIME BACK until your selected time appears. The time will change in 15 minute increments. 4. Press or until you reach your selected weekd[...]

26 Enter Cooling Program If outside temperature is below 50 ° F, we recommend that you remove the ther- mostat from the wall before proceeding with the following steps to program cool- ing temperatures. Personal injury or property damage may occur due to air conditioner compressor slugging. A fresh 9 volt Energizer ® alkaline battery must be inst[...]

27 3. Press RUN PRGM . 4. Press SYSTEM HEAT - OFF - COOL - AUTO until COOL is displayed. 5. Repeat step 2 to check cooling tempera- tures. 6. Press RUN PRGM to begin program operation. YOUR THERMOSTAT IS NOW COMPLETELY PROGRAMMED AND READY TO AUTOMATI- CALLY PROVIDE MAXIMUM COMFORT AND EFFICIENCY! Press SYSTEM HEAT - OFF - COOL - AUTO until OFF is [...]

28 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 or and TIME FWD and TIME BACK to change the program. See PROGRAMMING YOUR THERMOSTAT . 2. How can I have no change in tempera- ture from one time period to another? Simply select the same temperature for each[...]

29 4. What happens if the electricity goes off or is manually shut off? If you have not installed a 9 volt alkaline battery, the display will go blank and the program will be lost in approximately one minute. When electricity is restored, the thermostat will maintain a heating tempera- ture of 64 ° F and a cooling temperature of 82 ° F until you [...]

30 To correct this, remove the thermostat from the wall and disconnect the battery. Wait about one minute, then reconnect the bat- tery. The thermostat will revert to the factory preset program until you reprogram the thermostat. If you don’t want to reprogram the thermostat immediately, press SYSTEM HEAT - OFF - COOL - AUTO until OFF is displaye[...]

31 The display light and audio prompting (beep) only work when the thermostat is on the wall and 24 VAC power is present to the thermo- stat. These features will not work on battery power alone. See OPERATING YOUR THERMOSTAT . 9. The display is flashing BAT. What does this mean? The 9 volt battery installed in the thermostat is low and should be re[...]

32 • The EMR function is operating. The EMR function will bring the system on auto- matically to bring the temperature to the selected level by the beginning of the next program period. See OPERATING YOUR THERMOSTAT . • You have programmed the incorrect day or time. Check your programming (be sure that the times you programmed are correct AM or[...]

33 14. Between heating and cooling seasons, I want to turn my system off. Can I do this without affecting my thermostat program- ming? 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,[...]

34 dead. If you are changing the battery after seeing a flashing BAT on the display, the installed battery may be dead. If you remove the old battery and install a fresh one within one minute, you should not lose your ther- mostat programming. After installing a new battery, follow the procedures in CHECK YOUR PROGRAMMING to determine whether your [...]

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If you need further information on programming or operation, you may write to our Technical Service Department at the address shown below. WHITE-RODGERS DIVISION EMERSON ELECTRIC CO. 9797 REAVIS ROAD ST. LOUIS, MISSOURI 63123-5398 Part No. 37-5518A 9523[...]