Related Manuals for White Rodgers 1F92-71
Summary of Contents for White Rodgers 1F92-71
- Page 1 1F92-71 OPERATION GUIDE Multi-stage/Heat Pump Electronic Digital Thermostat WHITE-RODGERS Operator: Save this booklet for future use!
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Page 2: About Your New Thermostat
About Your New Thermostat . . . Your new Digital COMFORT SET II Multi-stage/Heat Pump Thermostat uses the technology of a solid-state microcomputer to provide precise time/temperature control. The COMFORT SET II 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 thermostat. -
Page 3: Table Of Contents
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 In This Guide . . . PROGRAMMING YOUR THERMOSTAT ... 18 PLANNING FOR YOUR NEEDS ENTERING YOUR PROGRAM Set Current Time and Day Enter Heating Program... -
Page 4: Your New Thermostat'sfeatures
YOUR NEW THERMOSTAT’S FEATURES • Computed Energy Management Recov- ery (EMR) • Automatic changeover (operator select- able) • Five-day/two-day programming capability • Up to 3 stages of heat and up to 2 stages of cool • Two hour temperature override •... -
Page 5: Operating Your Thermostat
OPERATING YOUR THERMOSTAT Before you begin programming your new ther- mostat, you should be familiar with its features and with the display and the location and operation of the thermostat buttons. The infor- mation in this section will help you become familiar with your thermostat so that you can easily program it. -
Page 6: Parts Of The Thermostat
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. CAUTION SYSTEM to turn thermostat OFF SWITCH before removing thermostat from the wall to replace the battery. - Page 7 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 programming). A fresh battery will maintain the stored program for approxi- mately one week.
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Page 8: The Display
Other than 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. - Page 9 5 DAY W H I T E - R O D G E R S DIGITAL MULTI-STAGE COMFORT-SET SYSTEM TIME SWITCH HEAT/OFF/COOL/AUTO TIME BACK SWITCH /AUTO 2 DAY 5 DAY EMER. PUMP MALF. AUX. VIEW HOLD CLOCK PRGM TEMP PRGM PRGM...
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Page 10: The Thermostat Buttons
The Thermostat Buttons and Lights 7 Sets the system mode (HEATing, EMERgency backup system, OFF, COOLing, or AUTOmatic changeover [user selectable feature]). 8 Selects fan operation (see #6, above). This button is also used to program the fan to run continuously during a program period. - Page 11 18 EMER light indicates that the system is in the emergency mode (the heat pump com- pressor is off and the auxiliary system is maintaining setpoint temperature — there is a 5 to 10 minute startup delay on the first emergency cycle).
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Page 12: Operating Features
OPERATING FEATURES Now that you are familiar with the thermostat display and buttons, read the following infor- mation 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 tempera- ture to the next program setting. - Page 13 (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 thermostat for at least two minutes, to allow the thermostat to reset itself. DO NOT MOVE ANY OTHER OPTION SWITCH, as it may affect thermostat op- eration.
- Page 14 • TWO HOUR TEMPERATURE OVER- RIDE — Press 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.
- Page 15 CAUTION A cooling anticipation setting of less than 10 may cause decreased com- pressor life. To adjust HEAT anticipation, press at the same time. The display will show HEAT 18. You may select any antici- pation setting from 4 to 40 (note that for add-on heat pump systems, a minimum anticipation of 10 is recommended).
- Page 16 • LOW BATTERY INDICATOR — The word BAT will flash on the display if the 9 volt alkaline battery is low and should be re- placed. • AUDIO PROMPTING — Each time you press a button, the thermostat will beep. •...
- Page 17 • COMPRESSOR LONG TERM CYCLE PROTECTION — If your system begins to operate too soon after an extended power outage, the compressor may be damaged due to crankcase oil temperature change. This thermostat has a built-in time delay of one hour less than the power loss (up to 12 hours).
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Page 18: Programming Your Thermostat
PROGRAMMING YOUR THERMOSTAT Now you are ready to program your thermo- stat. This section will help you plan and pro- gram your thermostat to meet your needs. For maximum comfort and efficiency, keep the following guidelines in mind when planning your program. - Page 19 answer questions 1 through 4. If you are using the thermostat in your home, answer ques- tions 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.
- Page 20 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 tem- perature settings. 7a. What time does the first person arrive home in the evening? b.
- Page 21 NOTE 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). COOLING TEMPERATURES DEAD BAND 1 F HEATING TEMPERATURES Determine the time periods and heating and cooling temperatures for your weekday pro- gram.
- Page 22 Heating/Cooling Schedule Plan WEEKEND (2 DAY) WEEKDAY (5 DAY) Start Start Time Temperature Time Temperature MOR HEAT DAY HEAT EVE HEAT NHT HEAT MOR COOL DAY COOL EVE COOL NHT COOL...
- Page 23 SAMPLE Heating/Cooling Schedule Plan WEEKDAY (5 DAY) Start Time Temperature MOR HEAT 5:30 AM DAY HEAT 8:00 AM EVE HEAT 4:30 PM NHT HEAT 11:00 PM MOR COOL 8:00 AM DAY COOL 12:00 PM EVE COOL 4:30 PM NHT COOL 11:00 PM WEEKEND (2 DAY) Start...
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Page 24: Entering Your Program
ENTERING YOUR PROGRAM Follow these steps to enter the heating and cooling programs you have selected. NOTE We recommend that you remove the thermo- stat from the wall for programming (especially for entering cooling programming). A fresh 9 volt Energizer ®... -
Page 25: Enter Heating Program
5. Press once. The display will show the day of the week as an abbreviation (MO for Monday, TU for Tuesday, etc.). TIME 6. Press and hold either reach the current day of the week. 7. Press once. The display will show the PRGM correct time and room temperature alter- nately. - Page 26 This display window shows that for the weekday MOR period, the start time is 5:00 AM, and 70 is the programmed tem- perature (this example reflects factory pre- programming). 3. To change the displayed start time to your selected start time for weekday MOR heat TIME program, press selected time is displayed.
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Page 27: Enter Cooling Program
Enter Cooling Program CAUTION If outside temperature is below 50 F, we recommend that you remove the thermostat from the wall before pro- ceeding with the following steps to pro- gram cooling temperatures. Personal injury or property damage may occur due to compressor operation in cold weather. - Page 28 3. Press PRGM SYSTEM 4. Press until COOL is displayed. SWITCH 5. Repeat step 2 to check cooling tempera- tures. 6. Press to begin program operation. PRGM YOUR THERMOSTAT IS NOW COM- PLETELY PROGRAMMED AND READY TO AUTOMATICALLY PROVIDE MAXIMUM COMFORT AND EFFICIENCY! SYSTEM Press...
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Page 29: Questions And Answers
QUESTIONS AND ANSWERS 1. How can I permanently change a part of my program? Press VIEW until you reach the time/tem- PRGM perature schedule you want. Then press TIME 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 consecutive time period. - Page 30 want to stop programming at this point, press to start the normal program PRGM function. See PROGRAMMING 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 approximately one minute.
- Page 31 During periods of low humidity (especially during cold weather), you may feel or see a spark discharge when you touch the thermostat. 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.
- Page 32 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.
- Page 33 CAUTION If the outside temperature is below 50 F, DO NOT use the button to move the temperature below the setpoint tem- perature. Property damage may result due to compressor operation in cold weather. 11. Why doesn’t the temperature change at the time I programmed? There may be a number of causes for this situation.
- Page 34 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 PROGRAMMING YOUR THERMO- STAT. • 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.
- Page 35 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.
- Page 36 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. 37-4741C Replaces 37-4741B 9606...