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OPERATION GUIDE
1F91-71
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 t
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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 fea- remove the thermostat body for easy program- tures and with the display and the location and ming. To remove the thermostat body from the operation of the thermostat buttons. The in- subbase, grasp the thermostat body and gently formation in this section will help you become pull it out from the bottom of the subbase, then familiar wi
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If the word BAT is flashing in the display PARTS OF THE THERMOSTAT window, the battery is low and should be ® The Back of the Thermostat Body replaced with a fresh 9 volt Energizer alkaline battery. The battery will provide Turn the thermostat body over. On the back are power for all functions except the display ® the 9 volt Energizer alkaline battery and the option switches. 4-pin connector Battery ® 1. The 9 volt Energizer alkaline battery pro- vides power to the thermostat when the 24 VAC pow
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light and audio prompting, which work only 2. You may adjust option switch #4 for auto- on 24 VAC power. If the word BAT is dis- matic changeover from heating to cooling played continuously (non-flashing), the ther- (see OPERATING FEATURES). mostat is not being supplied with 24 VAC power and is being powered by the battery alone. CAUTION ! SYSTEM Use to turn thermostat OFF be- SWITCH fore removing thermostat from the wall to replace the battery. 7
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Other than and , the buttons are Displays the setpoint temperature. 3 located behind the thermostat door. To open 5 DAY indicates that the displayed program 4 the door, use your fingernail in the indentation is the weekday program. 2 DAY indicates at the top center of the door. Pull the door out, that the displayed program is the weekend then swing the door down on its hinges. program. Following are brief descriptions of the display The word BAT flashes on the display when 5 and the thermostat
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5 DAY FAN W H I T E - R O D G E R S DIGITAL MULTI-STAGE COMFORT-SET II TIME SET VIEW HOLD SYSTEM FWD CLOCK PRGM TEMP SWITCH HEAT/OFF/COOL/AUTO FAN TIME SET RUN ADV BACK DAY PRGM PRGM SWITCH ON /AUTO 1 2 3 3 2 DAY FAN 5 DAY BAT FAN 4 4 5 6 2 6 9
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The Thermostat Buttons Used to initiate or review thermostat pro- 12 gramming. Sets the system mode (HEATing, OFF, 7 Used to start program operation after pro- 13 COOLing, or AUTOmatic changeover [user gramming. Also used to return thermostat selectable feature]). to program operation after being in HOLD Selects fan operation (see #6, above). This 8 mode. button is also used to program the fan to run Used to manually override programming to 14 continuously during a program period. hold at a sele
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yellow light is on when the 2nd or 3rd stage The red light is on when the 1st stage 18 heating/cooling system is operating. heating/cooling system is operating. The 16 17 18 5 DAY FAN W H I T E - R O D G E R S DIGITAL MULTI-STAGE COMFORT-SET II SYSTEM TIME SET VIEW HOLD 7 FWD CLOCK PRGM TEMP SWITCH HEAT/OFF/COOL/AUTO FAN TIME SET RUN ADV 8 BACK DAY PRGM PRGM SWITCH ON /AUTO 10 11 12 13 14 15 9 11
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period, beginning at 6:00 AM, you have OPERATING FEATURES 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. • COMPUTED ENERGY MANAGEMENT • AUTOMATIC CHANGEOVER — You can RECOVERY (EMR) - The thermostat’s mi- set the
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pencil or small screwdriver to move the Automatic Changeover (ON) switch to the ON position (see figure at ON right). Leave the battery out of the thermo- stat for at least two minutes, to allow the thermostat to reset itself. DO NOT MOVE 1234 ANY OTHER OPTION SWITCH, as it may Switch #1 set at installation (DO NOT CHANGE) Switch #2 set at installation (DO NOT CHANGE) affect thermostat operation. Replace the Switch #3 set at installation (DO NOT CHANGE) battery, put the thermostat back on the wa
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• TWO HOUR TEMPERATURE OVER- feature is ideal for energy conservation when the building is unoccupied for an RIDE — Press or until the extended period of time. display shows the temperature you want. The thermostat will override current pro- • “ADVANCE PROGRAM” BUTTON — gramming and keep the room temperature ADV Press to advance the thermostat pro- PRGM at the selected temperature for two hours. After two hours, the thermostat will auto- gram to the next period (such as from the matically rev
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too often (short cycles) or not often enough TIME If the heat cycles are too short, press FWD (long cycles), you may want to adjust the anticipation setting. to increase the cycle time. If the heat cycles TIME are too long, press to decrease the BACK CAUTION ! cycle time. To set cooling anticipation, press A cooling anticipation setting of less SET SET than 10 may cause decreased com- and at the same time again. The CLOCK DAY pressor life. display will show COOL 14 (factory prepro- SET TIME
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• AUDIO PROMPTING — Each time you SYSTEM b) Pressing to change operating SWITCH press a button, the thermostat will beep. modes. • BACKLIT DISPLAY — When you press any button on the thermostat, the display is c) Pressing or to create a call lit for approximately eight seconds (this for COOL too soon after a previous call. feature works only when the thermostat is • SYSTEM INDICATOR LIGHTS — The red attached to the wall and 24 VAC power is indicator light comes on whenever the first present to
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FAN is displayed. To override constant FAN fan, press until FAN is dis- SWITCH played. PROGRAMMING YOUR THERMOSTAT Now you are ready to program your thermostat. PLANNING FOR YOUR NEEDS This section will help you plan and program your This thermostat will store separate heating and thermostat to meet your needs. 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
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First, you should answer the following ques- b. What temperature should the building be at tions to help you decide what your needs are. If this time? These will be your DAY tempera- you are using the thermostat for a commercial ture settings. application (a store, office building, etc.), an- 3a. What time do the building occupants reach swer questions 1 through 4. If you are using the a minimum activity level (limited personnel thermostat in your home, answer questions 5 in building)? These wil
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b. What temperature should the house be at Now look at the factory preprogrammed times this time? These will be your MOR (morn- and temperatures shown at the top of the next ing) temperature settings. page. If this program will suit your needs, simply 6a. What time does the last person leave the RUN press to begin running the factory preset PRGM house in the morning? program. b. What temperature should the house be at If you want to change the preprogrammed times this time? These will be your D
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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 70 MOR 5:00 AM MOR 5:00 AM 78 DAY 9:00 AM 70 DAY 9:00 AM 82 70 EVE 4:00 PM EVE 4:00 PM 78 NHT 10:00 PM 64 NHT 10:00 PM 78 Determine the time periods and heating and weekday MOR heating start time and tempera- cooling temperatures for your weekday pro- ture, and choose 7:00 AM and 76° as the gram. You must program 4 periods for each day weekday MOR cooling s
