Instruction/ maintenance manual of the product 1F97-51 White Rodgers
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OPERA TION GUIDE 7-Day Programmable Electronic Digital Thermostat 1F97-51 WHITE-RODGERS Operator: Save this booklet for future use!.
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.
3 Operator: Save this booklet for future use! ENTERING YOUR PROGRAM Set Current Time and Day Select Heating and Cooling Temperatures Program Heating/Cooling Times and Heating Temperatures Program Cooling Temperatures Using the HOLD/COPY Button CHECK YOUR PROGRAMMING QUESTIONS AND ANSWERS .
4 • Seven independent day programming • Simultaneous heat and cool program storage • Four separate time/temperature settings per 24-hour period • Computed Energy Management Recovery (EMR) • Armchair programming capability • Backlit LCD displays continuous set point, time, and room temperature • 1.
5 OPERA TING YOUR THERMOST A T 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 in- formation in this section will help you become familiar with your new thermostat so that you can easily program it.
6 PARTS OF THE THERMOSTAT The Back of The Thermostat Body Turn the thermostat body over. On the back are the 3 “AA” Energizer ® alkaline batteries. The “AA” Energizer ® alkaline batteries provide power to the thermostat when the 24 VAC power is interrupted (for example, when you remove the thermostat from the wall for programming).
7 Use SYSTEM SWITCH to turn thermostat OFF be- fore removing thermostat from the wall to replace the batteries. Other than and , the buttons are located behind the thermostat door. To open the door, use your fingernail in the indentation at the top of the door to pull it out from the top, then swing it down on its hinges.
8 The Display 1 Continuously displays system mode ( HEAT , OFF , COOL , HOLD ). During programming, the day of the week is displayed ( MON , TUE , WED , etc.). 2 Alternately displays room temperature ( F denotes degrees Fahrenheit and C denotes degrees Celsius) and time of day ( A de- notes AM time and P denotes PM time).
9 A B FAN AUTO FAN ON FAN AUTO BATTERY SYSTEM SWITCH FAN SWITCH HEAT-OFF-COOL TIME FWD TIME BACK SET CLOCK ADV DAY VIEW PRGM VIEW TEMP HOLD COPY RUN PRGM ON-AUTO WHITE-RODGERS DIGITAL COMFORT SET II 1.
10 The Thermostat Buttons 7 Sets the system mode ( HEAT ing, OFF , or COOL ing). 8 Selects fan operation (see #6, above). This button is also used to program the fan to run continuously during a program period. 9 Runs display forward or backward through time, day, or anticipation settings during programming.
11 FAN AUTO SYSTEM SWITCH FAN SWITCH HEAT-OFF-COOL TIME FWD TIME BACK SET CLOCK ADV DAY VIEW PRGM VIEW TEMP HOLD COPY RUN PRGM ON-AUTO WHITE-RODGERS DIGITAL COMFORT SET II 17 9 10 11 12 13 14 15 8 7 16 18 17 (Blue arrow) Lowers temperature setting (40 ° F or 4 ° C minimum).
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 CAUTION ! • HOLD TEMPERATURE — The thermostat can hold any temperature within its range for an indefinite period, without reverting to the program. Press HOLD COPY . HOLD will be dis- played. Then choose the desired hold tem- perature by pressing or .
14 Whenever adjusting anticipation, increase or decrease the displayed number by only one or two digits, then let the system run for a while to see if the adjustment is sufficient. If the heat cycles are too short, press TIME FWD to increase the cycle time.
15 The word BATTERY will be displayed con- tinuously (non-flashing) when 24 VAC 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.
16 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.
17 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? These will be your EVE (evening) temperature settings. 4a. What time does the building become vacant? b.
18 However, you may use the same heating and cooling temperatures for consecutive time periods. Also keep in mind that, for any given day, you can only program one set of times for both heating and cooling (for ex- ample, if you select 5:00 AM to begin heat- ing period 1 on Monday, then your cooling period 1 for Monday will also begin at 5:00 AM).
19 Temperature Designation Factory Preprogrammed Temperature Your Selected Temperatures* HEAT A HEAT B HEAT C HEAT D 70 70 70 64 COOL A COOL B COOL C COOL D 78 82 78 78 * You may only program heating .
20 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.
21 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.
22 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). Fresh “AA” Ener- gizer ® alkaline batteries must be installed to per- form off-wall programming.
23 7. Press RUN PRGM once. The display will show the correct time and room temperature alter- nately. Select Heating and Cooling Temperatures During programming, if you don’t press any buttons for 5 minutes, the thermostat will enter the HOLD mode and will maintain a constant temperature.
24 5. Press either or to change the temperature to your selected HEAT B setting (if you only want to program temperatures for HEAT A and HEAT B , skip to step 7). 6. Repeat steps 4 and 5 to select HEAT C and HEAT D temperature settings, if desired. 7.
25 programmed start time for heating/cooling period 1 and the currently programmed HEAT A , B , C , or D temperature for heating/ cooling period 1. EXAMPLE: 3. To change the displayed start time to your selected start time for Monday’s period 1, press TIME FWD or TIME BACK until your selected time appears.
26 The thermostat has a built-in COPY feature. This feature automatically copies the heating and cooling programs you select for Monday into Tuesday’s 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 programmed operation.
27 Program Cooling Temperatures 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 and/or property damage could result from air conditioner compressor slugging.
28 perature for period 2. If you want the fan to run continuously during this period, press FAN SWITCH until PRG FAN is displayed. 5. Repeat step 4 for Monday’s heating cooling periods 3 and 4. 6. Use the HOLD COPY button, or press ADV DAY to choose other days to program.
29 2. Press ADV DAY until the day you want to copy from is displayed. If you have not com- pleted programming for this day, do so before proceeding. 3. Press HOLD COPY once. COPY will appear on the display. A number from 1 to 7 will also be displayed, representing the day you have selected to copy from (Monday is 1, Tues- day is 2, etc.
30 2. Press and hold VIEW PRGM to view the heating/ cooling period times and heating tempera- tures for Monday. 3. Press ADV DAY once to advance to Tuesday. 4. Press and hold VIEW PRGM to view heating/cooling periods and heating temperatures for Tues- day.
31 1. How can I permanently change a part of my program? Press VIEW PRGM and ADV DAY until you reach the time/ temperature schedule you want. Then press TIME FWD or TIME BACK and or to change the program.
32 stop 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 3 “AA” alkaline batteries, the display will go blank and the program will be lost in approximately one minute.
33 and the display is blank or frozen, static discharge is probably the cause. 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.
34 8. The thermostat beeps every few min- utes. What does this mean? The thermostat will beep every five minutes when the batteries are low and need replac- ing. To override the beeping, press any button on the keypad. The beeping will stop for 15 hours, then start again.
35 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 may be a number of causes for this situation.
36 12. Why does the blower fan keep running after the system has turned off? • You have programmed the fan to run continuously during this period. See PRO- GRAMMING YOUR THERMOSTAT .
37 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 .
38 NOTES.
39 NOTES.
Part No. 37-5101B Replaces 37-5101A 9522 If you need further information on programming or operation, write to: White-Rodgers Division, Emerson Electric Co.
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