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OPERATION GUIDE
1F91W-71
Multi-stage Electronic Digital
Thermostat
WHITE-RODGERS
Operator: Save this booklet for future use!
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About Your New Thermostat . . . Your new Digital COMFORT SET II Multi-stage 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. If you have questions, you may write to our Technical Service Department at the address shown on the back cover of
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In This Guide . . . YOUR NEW THERMOSTAT'S PROGRAMMING YOUR FEATURES ........................................... 4 THERMOSTAT ................................... 17 OPERATING YOUR THERMOSTAT ........ 5 PLANNING FOR YOUR NEEDS PARTS OF THE THERMOSTAT ENTERING YOUR PROGRAM The Back Of the Thermostat Body Set Current Time and Day The Display Enter Heating Program The Thermostat Buttons Enter Cooling Program OPERATING FEATURES CHECK YOUR PROGRAMMING QUESTIONS AND ANSWERS ................ 28 Operator:
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YOUR NEW THERMOSTAT’S FEATURES • Computed Energy Management Recovery • Manual program override (HOLD tempera- (EMR) ture) • Automatic changeover (operator selectable) • "Advance Program" button • Five-day/two-day programming capability • Backlit LCD displays continuous setpoint, time, and room temperature • Simultaneous heat and cool program stor- age • Adjustable cycle times ® • Preprogrammed temperature control • 9 volt Energizer alkaline battery backup • Four separate time and temperature set
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OPERATING YOUR THERMOSTAT Before you begin programming your new ther- The subbase is attached to the wall, but you can mostat, you should be familiar with its features remove the thermostat body for easy program- and with the display and the location and opera- ming. To remove the thermostat body from the tion of the thermostat buttons. The information subbase, grasp the thermostat body and gently in this section will help you become familiar with pull it out from the bottom of the subbase, th
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power is restored. You must reprogram the PARTS OF THE THERMOSTAT thermostat if this happens. If the word BAT is flashing in the display The Back of the Thermostat Body window, the battery is low and should be ® replaced with a fresh 9 volt Energizer alka- Turn the thermostat body over. On the back are ® the 9 volt Energizer alkaline battery and the 4-pin connector Battery option switches. ® 1. The 9 volt Energizer alkaline battery pro- vides power to the thermostat when the 24 VAC power is in
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line battery. The battery will provide power 2. You may adjust option switch #4 for auto- for all functions except the display light and matic changeover from heating to cooling audio prompting, which work only on 24 VAC (see OPERATING FEATURES). 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. CAUTION ! Before removing thermostat from the wall to replace the battery, remove 24 V
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3 Other than and , the buttons are Displays the setpoint temperature. located behind the thermostat door. To open the 5 DAY indicates that the displayed program 4 door, use your fingernail in the indentation at the is the weekday program. 2 DAY indicates top center of the door. Pull the door out, then that the displayed program is the weekend swing the door down on its hinges. program. 5 The word BAT flashes on the display when Following are brief descriptions of the display the 9 volt alkal
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5 DAY FAN SYSTEM TIME SET VIEW HOLD HEAT - OFF - COOL - AUTO FWD CLOCK PRGM TEMP FAN TIME SET RUN ADV ON - AUTO BACK DAY PRGM PRGM 1 2 3 3 2 DAY FAN 5 DAY BAT FAN 4 6 4 5 6 2 9
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The Thermostat Buttons 13 Used to start program operation after pro- gramming. Also used to return thermostat 7 Sets the system mode (HEATing, OFF, to program operation after being in HOLD COOLing, or AUTOmatic changeover [user mode. selectable feature]). 14 Used to manually override programming to 8 Selects fan operation (see #6, above). This hold at a selected temperature (when HOLD button is also used to program the fan to run is displayed). continuously during a program period. 15 Used to
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16 17 18 5 DAY FAN SYSTEM TIME SET VIEW HOLD 7 HEAT - OFF - COOL - AUTO FWD CLOCK PRGM TEMP FAN TIME SET RUN ADV 8 ON - AUTO BACK DAY PRGM PRGM 10 11 12 14 15 9 13 11
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62°F, and that during the next program OPERATING FEATURES period, beginning at 6:00 AM, you have programmed a temperature of 70°F. The Now that you are familiar with the thermostat thermostat will automatically activate the display and buttons, read the following informa- heating system at about 5:00 AM, so that tion to learn about the many features of the the programmed 70°F temperature is thermostat. reached by about 6:00 AM. • AUTOMATIC CHANGEOVER — You can • COMPUTED ENERGY MANAGEMENT set th
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power. If the switch is OFF (down), use a ON pencil or small screwdriver to move the switch to the ON position (see figure at 1234 right). Leave the battery out of the thermo- Switch #1 set at installation (DO NOT CHANGE) stat for at least two minutes, to allow the Switch #2 set at installation (DO NOT CHANGE) thermostat to reset itself. DO NOT MOVE Switch #3 set at installation (DO NOT CHANGE) ANY OTHER OPTION SWITCH, as it may Switch #4 ON affect thermostat operation. Replace the battery, put
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• TWO HOUR TEMPERATURE OVER- the building is unoccupied for an extended RIDE — Press or until the period of time. display shows the temperature you want. • "ADVANCE PROGRAM" BUTTON — The thermostat will override current pro- ADV Press to advance the thermostat pro- PRGM gramming and keep the room temperature gram to the next period (such as from the at the selected temperature for two hours. MOR program period to the DAY program After two hours, the thermostat will auto- period). This change
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cycle time. To set cooling anticipation, press CAUTION ! SET SET and at the same time again. The CLOCK DAY A cooling anticipation setting of less display will show COOL 14 (factory than 10 may cause decreased compres- preprogrammed cooling anticipation). Use sor life. TIME TIME the and buttons to adjust antici- FWD BACK SET SET To adjust anticipation, press and CLOCK DAY RUN pation. Press to return to your pro- PRGM at the same time. The display will show gram. HEAT 8 (this is the factory
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• BACKLIT DISPLAY — When you press c) Pressing or to create a call any button on the thermostat, the display is for COOL too soon after a previous call. lit for approximately eight seconds (this fea- • SYSTEM INDICATOR LIGHTS — The red ture works only when the thermostat is indicator light comes on whenever the first attached to the wall and 24 VAC power is stage heating or cooling system is operat- present to the thermostat). ing. The yellow indicator light comes on • COMPRESSOR SHORT CYCLE
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PROGRAMMING YOUR THERMOSTAT Now you are ready to program your thermostat. PLANNING FOR YOUR NEEDS This section will help you plan and program your thermostat to meet your needs. This thermostat will store separate heating and cooling programs for five-day (weekday) and For maximum comfort and efficiency, keep the two-day (weekend) operation. Usually, the five- following guidelines in mind when planning your day program is set to run Monday through Fri- program. day, and the two-day program is se
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questions 1 through 4. If you are using the 3a. What time do the building occupants reach thermostat in your home, answer questions 5 a minimum activity level (limited personnel through 8. Keep in mind that you should plan for in building)? These will be your EVE both weekday and weekend programs. (evening) temperature settings. b. What temperature should the building be at FOR COMMERCIAL APPLICATIONS: this time? 1a. What time does the first person arrive at the 4a. What time does the building b
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6a. What time does the last person leave the Now look at the factory preprogrammed times house in the morning? and temperatures shown at the top of the next page. If this program will suit your needs, simply b. What temperature should the house be at RUN this time? These will be your DAY tempera- press to begin running the factory preset PRGM ture settings. program. 7a. What time does the first person arrive home If you want to change the preprogrammed times in the evening? and temperatures, do
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FACTORY PREPROGRAMMING Heating Program for ALL days of the Week: Cooling Program for ALL Days of the Week: PERIOD TIME TEMP PERIOD TIME TEMP MOR 5:00 AM 70 MOR 5:00 AM 78 70 DAY 9:00 AM DAY 9:00 AM 82 EVE 4:00 PM 70 EVE 4:00 PM 78 64 NHT 10:00 PM NHT 10:00 PM 78 Determine the time periods and heating and MOR heating start time and temperature, and cooling temperatures for your weekday pro- choose 7:00 AM and 76° as the weekday MOR gram. You must program 4 periods for each day cooling start time
