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OPERA TION GUIDE 7 Day Multi-stage/Heat Pump Electronic Digital Thermostat 1F94-71 WHITE-RODGERS Operator: Save this booklet for future use! W H I T E - R O D G E R S DIGITAL COMFORT SET II.
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.
3 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 • Computed Energy Management Recovery (EMR) • Automatic changeover (operator-selectable) • Separate setback programming for 7 inde- pendent days • Simultaneous heat and cool program stor- ag.
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.
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.
7 alkaline battery. The battery will provide power for all functions except the display light, which works only on 24vAC power. Before removing thermostat from the wall to replace the battery, remove 24vAC power form the thermostat at the breaker/ fuse box.
8 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.
9 SYSTEM SWITCH FAN SWITCH HEAT-EMER-OFF-COOL-AUTO ON-AUTO TIME FWD TIME BACK SET CLOCK ADV DAY VIEW PRGM VIEW TEMP HOLD COPY RUN PRGM SEVEN DAY DIGITAL COMFORT-SET II W H I T E - R O D G E R S 1 2 3 4 5 6 FAN AUTO A FAN ON B BATTERY A FAN AUTO 2 3 4 5 4 EMER.
10 Used with TIME FWD and TIME BACK to select setpoint temperatures. Used to manually override programming to hold at a selected temperature (when HOLD is displayed). Also used to copy one day’s programming to another day (when COPY is displayed). Used to start program operation after pro- gramming.
11 light indicates that the heat pump compres- sor is functioning — a flashing PUMP light indicates that the compressor is locked out. AUX light indicates that the auxiliary system is operating. is maintaining the setpoint temperature — there is a 5- to 10-minute startup delay on the first emergency cycle).
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.
13 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.
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.
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 preprogrammed heating anticipation setting). You may se- lect any anticipation setting from 4 to 40 ( note that for add-on heat pump sys- tems, a minimum anticipation setting of 10 is recommended ).
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 24vAC power is present to the thermostat).
17 stored to the system, heaters in the system will begin to heat the crankcase oils. The thermostat's time delay will lock out the compressor to prevent its operation until the compressor oil is sufficiently warmed. Dur- ing the lockout time period, the auxiliary heating system will operate to maintain a setpoint temperature.
18 #4 enables/disables automatic changeover (see AUTOMATIC CHANGEOVER )]. To disable total keypad lockout, move option switch #3 to OFF . 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.
19 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? 3a. What time do the building occupants reach a minimum activity level (limited personnel in building)? b.
20 If you want to change the preprogrammed times and temperatures, follow these steps. 1. Determine the heating and cooling tem- peratures you want to use. You may select up to four heating temperatures ( HEAT A , HEAT B , HEAT C , and HEAT D ), and up to four cooling temperatures ( COOL A , COOL B , COOL C , COOL D ).
21 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 selected.
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 Sun.
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 Sun.
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.
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.
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 set- ting. 6. Repeat steps 4 and 5 to select HEAT C and HEAT D temperature settings. 7. Press RUN PRGM .
27 grammed HEAT A , B , C , or D temperature for heating/cooling period 1. 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).
28 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 operation.
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.
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.
31 3. Press HOLD COPY once. COPY will appear on the display. A number from 1 to 7 will also appear, representing the day you have se- lected to copy (Monday is 1 , Tuesday is 2 , Wednesday is 3 , etc.
32 4. Press and hold VIEW PRGM to view heating/cooling periods and heating temperatures for Tues- day. 5. Repeat steps 3 and 4 to review all remain- ing days’ programming. If you find an error in any day’s programming, go back to the pr o gramming instructions to correct the error.
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).
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.
35 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 SWITCH un- til OFF is displayed and replace the thermo- stat on the wall.
36 9. The display is flashing BATTERY. What does this mean? The 9 volt battery installed in the thermostat is low and should be replaced with a fresh 9 volt Energizer ® alkaline battery.
37 • You have programmed the incorrect day or time. Check your programming (be sure that the times you programmed are correct AM or PM times). See PRO- GRAMMING YOUR THERMOSTAT . • The thermostat is in the HOLD mode. Press RUN PRGM to start program operation.
38 mostat is in the HOLD mode. See OPER- ATING YOUR THERMOSTAT . 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.
39 WARRANTY INFORMATION THIS WARRANTY STATEMENT SUPERSEDES ALL WARRANTY STATEMENTS DATED PRIOR TO OCTOBER 1, 1991. White-Rodgers Division of Emerson Electric Co.
R Part No. 37-4743B Replaces 37-4743A 9310 If you need further information on programming or operation, you may write to our Technical Service Department at the address shown below.
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