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Manual White Rodgers 1F94W-71

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  • White Rodgers 1F94W-71 - page 1

    OPERA TION GUIDE 7 Day Multi-stage/Heat Pump Electronic Digital Thermostat 1F94W -71 WHITE-RODGERS Operator: Save this booklet for future use! ...

  • White Rodgers 1F94W-71 - page 2

    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/Heat Pump Thermostat uses the technology of a solid-state ...

  • White Rodgers 1F94W-71 - page 3

    3 Operator: Save this booklet for future use! Program Heating/Cooling Times and Heating Temperatures Program Cooling Temperatures Using the HOLD/COPY Button CHECK YOUR PROGRAMMING QUESTIONS AND ANSWERS ................ 33 YOUR NEW THERMOSTAT’S FEATURES ........................................... 4 OPERATING YOUR THERMOSTAT ........ 5 PARTS OF THE ...

  • White Rodgers 1F94W-71 - page 4

    4 • Computed Energy Management Recovery (EMR) • Automatic changeover (operator-selectable) • Separate setback programming for 7 inde- pendent days • Simultaneous heat and cool program storage • Four separate time/temperature settings per 24-hour period • Armchair programming capability • Up to 3 stages of heat and up to 2 stages of co ...

  • White Rodgers 1F94W-71 - page 5

    5 OPERA TING YOUR THERMOST A T The subbase is attached to the wall, but you can remove the thermostat body for easy program- ming. To remove the thermostat body from the subbase, grasp the thermostat body and gently pull it out from the bottom of the subbase and pivot up. To attach the thermostat body, line up the four terminal pins on the upper se ...

  • White Rodgers 1F94W-71 - page 6

    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 ...

  • White Rodgers 1F94W-71 - page 7

    7 Use SYSTEM HEAT/EMER/OFF/ COOL/AUTO to turn thermostat OFF be- fore removing thermostat from the wall to replace the battery. 2. You may adjust the option switches for keypad lockout and automatic changeover from heat to cool (see OPERATING FEA- TURES ). Other than and , the buttons are lo- cated behind the thermostat door. To open the door, use ...

  • White Rodgers 1F94W-71 - page 8

    8 4 When VIEW TEMP is pressed, A is displayed when the setpoint temperature displayed (at the far right) is the 1st programmed heating or cooling temperature (depending on mode). B is displayed when the 2nd programmed heating or cooling temperature is being dis- played. 5 FAN ON is displayed when the blower is operating continuously. FAN AUTO is di ...

  • White Rodgers 1F94W-71 - page 9

    9 1 2 3 4 6 6 2 DAY 5 DAY 2 3 5 4 FAN AUTO FAN ON BAT 5 DAY FAN AUTO EMER. PUMP AUX. MALF. TIME FWD SYSTEM HEAT/EMER/OFF/ COOL/AUTO SET CLOCK VIEW PRGM HOLD COPY TIME BACK FAN ON-AUTO ADV DAY VIEW TEMP RUN PRGM ...

  • White Rodgers 1F94W-71 - page 10

    10 The Thermostat Buttons 7 Sets the system mode ( HEAT ing, OFF , COOL ing, or AUTO matic changeover). 8 Selects fan operation (see #5, above). 9 Runs display forward or backward through time, day, or anticipation settings during programming. 10 Used with TIME FWD and TIME BACK to set current time and day of the week. 11 Used during programming to ...

  • White Rodgers 1F94W-71 - page 11

    11 10 11 12 13 14 15 16 17 18 9 7 8 5 DAY FAN EMER. PUMP AUX. MALF. TIME FWD SYSTEM HEAT/EMER/OFF/ COOL/AUTO SET CLOCK VIEW PRGM HOLD COPY TIME BACK FAN ON-AUTO ADV DAY VIEW TEMP RUN PRGM fer to heat pump manufacturer’s operating manual). A continuous (non-flashing) PUMP light indicates that the heat pump compres- sor is functioning — a flashin ...

  • White Rodgers 1F94W-71 - page 12

    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 automatically calculates the time it will take to change the temperature to the next program ...

  • White Rodgers 1F94W-71 - page 13

    13 Automatic Changeover Switch #1 set at installation ( DO NOT CHANGE ) Switch #2 set at installation ( DO NOT CHANGE ) Switch #3 (see TOTAL KEYPAD LOCKOUT ) Switch #4 ON In the AUTO mode, the thermostat will not allow the temperature separation between the highest heat setting and the lowest cool setting to be less than 1 ° F. For example, if the ...

  • White Rodgers 1F94W-71 - page 14

    14 • TWO HOUR TEMPERATURE OVER- RIDE — Press or until the display shows the temperature you want. The ther- mostat will override current programming and keep the room temperature at the se- lected temperature for two hours. After two hours, the thermostat will automatically re- vert to the program. • HOLD TEMPERATURE — The thermostat can ho ...

  • White Rodgers 1F94W-71 - page 15

    15 To adjust heat anticipation, press SET CLOCK and ADV DAY at the same time. The display will show HEAT 18 (this is the factory prepro- grammed heating anticipation setting). You may select any anticipation setting from 4 to 40 ( note that for add-on heat pump sys- tems, a minimum anticipation setting of 10 is recommended ). Whenever adjusting ant ...

  • White Rodgers 1F94W-71 - page 16

    16 • AUDIO PROMPTING — Each time you press a button, the thermostat will beep (this feature works only when the thermostat is attached to the wall and 24 VAC power is present to the thermostat). • BACKLIT DISPLAY — When you press any button on the thermostat, the display is lit for approximately eight seconds (this fea- ture works only when ...

  • White Rodgers 1F94W-71 - page 17

    17 Total Keypad Lockout Switch #1 set at installation ( DO NOT CHANGE ) Switch #2 set at installation ( DO NOT CHANGE ) Switch #3 ON Switch #4 (see AUTOMATIC CHANGEOVER ) Switches #1 and #2 are set at installation and should not be changed. To enable total keypad lockout, move option switch #3 to ON (see figure above). DO NOT MOVE OPTION SWITCHES # ...

  • White Rodgers 1F94W-71 - page 18

    18 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 (warmer ...

  • White Rodgers 1F94W-71 - page 19

    19 3a. What time do the building occupants reach a minimum activity level (limited personnel in building)? b. What temperature should the building be at this time? 4a. What time does the building become vacant? b. What temperature should the building be at this time? IN YOUR HOME: 5a. What time does the first person get up in the morning? b. What t ...

  • White Rodgers 1F94W-71 - page 20

    20 Temperature Designation Factory Preprogrammed Temperature Your Selected Temperature HEAT A HEAT B HEAT C HEAT D COOL A COOL B COOL C COOL D 70 ° F 64 ° F --- --- 78 ° F 82 ° F --- --- Heating Program for ALL days of the Week: Cooling Program for ALL Days of the Week: PERIOD TIME TEMP PERIOD TIME TEMP 1 2 3 4 5:00 AM 9:00 AM 4:00 PM 10:00 PM ...

  • White Rodgers 1F94W-71 - page 21

    21 NOTE 79 78 77 76 75 74 73 COOLING TEMPERATURES HEATING TEMPERATURES DEAD BAND 1 ° F To operate properly in the AUTO mode, there must be a minimum 1 ° F separation between the highest heat temperature and the lowest cool temperature (see diagram below). 2. Determine the time periods during which you will program the temperatures you have just s ...

  • White Rodgers 1F94W-71 - page 22

    22 Period 1 Period 2 Period 3 Period 4 Time Heat Temp. Cool Temp. Time Heat Temp. Cool Temp. Time Heat Temp. Cool Temp. Time Heat Temp. Cool Temp. Monday Tuesday Wednesday Thursday Friday Saturday Sunday Heating/Cooling Schedule Plan THIS THERMOSTAT ALLOWS ONE SET OF TIMES FOR BOTH HEATING AND COOLING ...

  • White Rodgers 1F94W-71 - page 23

    23 Period 1 Period 2 Period 3 Period 4 Time Heat Temp. Cool Temp. Time Heat Temp. Cool Temp. Time Heat Temp. Cool Temp. Time Heat Temp. Cool Temp. Monday Tuesday Wednesday Thursday Friday Saturday Sunday SAMPLE Heating/Cooling Schedule Plan THIS THERMOSTAT ALLOWS ONE SET OF TIMES FOR BOTH HEATING AND COOLING 5:00 AM 5:00 AM 5:00 AM 5:00 AM 5:00 AM ...

  • White Rodgers 1F94W-71 - page 24

    24 ENTERING YOUR PROGRAM Follow these steps to enter the heating/cooling program 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 SET TO ...

  • White Rodgers 1F94W-71 - page 25

    25 5. Press SET CLOCK 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. Program Heating/Cooling Temper ...

  • White Rodgers 1F94W-71 - page 26

    26 4. Press VIEW TEMP once. The letter A will change to the letter B , representing HEAT B . 5. Press either or to change the temperature to your selected HEAT B setting. 6. Repeat steps 4 and 5 to select HEAT C and HEAT D temperature settings. 7. Press RUN PRGM . 8. Press SYSTEM HEAT/EMER/OFF/ COOL/AUTO until COOL is displayed. 9. Press VIEW TEMP ...

  • White Rodgers 1F94W-71 - page 27

    27 EXAMPLE: This display window shows that for Monday’s heating/cooling period 1, the start time is 5:00 AM, and 70 ° is the programmed tem- perature (this example reflects factory pre- programming, where 70 ° is the HEAT A temperature). 3. To change the displayed start time to your selected start time for Monday’s period 1, press TIME FWD or ...

  • White Rodgers 1F94W-71 - page 28

    28 NOTE The thermostat has a built-in COPY feature. This feature automatically copies the heating and cooling programs you se- lect for Monday into Tuesday through Sunday’s programs. If you want to have the same programming every day, after you program Monday’s schedule, you simply press RUN PRGM to start the thermostat’s pro- grammed operati ...

  • White Rodgers 1F94W-71 - page 29

    29 Program Cooling Temperatures If outside temperature is below 50 ° F, we recommend that you remove the thermo- stat from the wall before proceeding with the following steps to program cooling temperatures. Personal injury or prop- erty damage may occur due to air condi- tioner compressor slugging. A fresh 9 volt Energizer ® alkaline battery mus ...

  • White Rodgers 1F94W-71 - page 30

    30 6. Use the HOLD COPY button, or press ADV DAY to choose other days to program. Remember, once you enter Monday’s program, Monday’s program is automatically copied into Tuesday’s through Sunday’s programs. 7. After you enter or copy heating and cooling programs for all 7 days, press RUN PRGM to begin program operation. Using The HOLD/COPY ...

  • White Rodgers 1F94W-71 - page 31

    31 step 2 you selected to copy Wednesday’s program, when you press HOLD COPY , COPY 3 will appear in the display (as shown below). EXAMPLE: 4. Press ADV DAY to select the day you want to copy the program TO . 5. Press HOLD COPY . COPY will disappear from the display, and the display will show the copied heating/cooling time and temperature for th ...

  • White Rodgers 1F94W-71 - page 32

    32 NOTE to the programming instructions to correct the error. 6. Press RUN PRGM . 7. Press SYSTEM HEAT/EMER/OFF/ COOL/AUTO until COOL is displayed. 8. Repeat steps 2 through 5 to check cooling temperatures. 9. Press RUN PRGM to begin program operation. YOUR THERMOSTAT IS NOW COMPLETELY PROGRAMMED AND READY TO AUTOMATI- CALLY PROVIDE MAXIMUM COMFORT ...

  • White Rodgers 1F94W-71 - page 33

    33 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 or and TIME FWD and TIME BACK to change the program (remember, when you change the time, you are changing it for both the heating and cooling programs). See PRO- GRAMMING YOUR THERMOSTAT ...

  • White Rodgers 1F94W-71 - page 34

    34 programming at this point, press RUN PRGM to start the normal program function. See PRO- GRAMMING YOUR THERMOSTAT . 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 five seconds. When electricity is restored, the the ...

  • White Rodgers 1F94W-71 - page 35

    35 To correct this, remove the thermostat from the wall and remove the battery for at least two minutes. After reinstalling the battery, the thermostat will revert to the factory pre- set program until you reprogram the ther- mostat. If you don’t want to reprogram the thermostat immediately, press SYSTEM HEAT/EMER/OFF/ COOL/AUTO until OFF is disp ...

  • White Rodgers 1F94W-71 - page 36

    36 8. Why doesn’t the display light come on when I press a button? Why don’t I hear a beep when I press a button? The display light and audio prompting (beep) only work when the thermostat is on the wall and 24 VAC power is present to the thermostat. See OPERATING YOUR THERMO STAT . 9. The display is flashing BATTERY. What does this mean? The 9 ...

  • White Rodgers 1F94W-71 - page 37

    37 If the outside temperature is below 50 ° F, DO NOT use the button to move the temperature below the setpoint tempera- ture. Property damage may result due to compressor slugging. 11. Why doesn’t the temperature change at the time I programmed? There are a number of causes for this situ- ation. The following are primary reasons. • The EMR fu ...

  • White Rodgers 1F94W-71 - page 38

    38 12. Why does the blower fan keep running after the system has turned off? The blower delay feature is operating. This energy saving feature continues to blow conditioned air through the ducts after the system has turned off, rather than letting the air dissipate. 13. Why is the system turning on and off so frequently (seldom)? The anticipation s ...

  • White Rodgers 1F94W-71 - page 39

    39 15. I live in an area where daylight savings time is observed. How do I change the thermostat clock twice a year without affecting thermostat programming? To change your clock, follow the instruc- tions for setting current time and day. See ENTERING YOUR PROGRAM . Thermo- stat programming is not affected when you change the clock. 16. Do I have ...

  • White Rodgers 1F94W-71 - page 40

    R Part No. 37-5525A 9529 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 ...

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