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OPERATION GUIDE
1F94W-71
7 Day Multi-stage/Heat Pump
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/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. If you have questions, you may write to our Technical Service Department at the address shown on the back
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In This Guide . . . YOUR NEW THERMOSTAT’S Program Heating/Cooling Times FEATURES ........................................... 4 and Heating Temperatures OPERATING YOUR THERMOSTAT ........ 5 Program Cooling Temperatures PARTS OF THE THERMOSTAT Using the HOLD/COPY Button The Back Of the Thermostat Body CHECK YOUR PROGRAMMING The Display QUESTIONS AND ANSWERS ................ 33 The Thermostat Buttons OPERATING FEATURES PROGRAMMING YOUR THERMOSTAT ................................... 18 PLANNING FOR
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YOUR NEW THERMOSTAT’S FEATURES • Computed Energy Management Recovery • Adjustable cycle times (EMR) • Compressor short cycle protection • Automatic changeover (operator-selectable) • Compressor long term cycle protection • Separate setback programming for 7 inde- • Blower delay in the cooling cycle pendent days • Audio and visual prompting during operation • Simultaneous heat and cool program storage • Two hour temperature override • Four separate time/temperature settings per • Manual program o
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OPERATING YOUR THERMOSTAT Before you begin programming your thermo- The subbase is attached to the wall, but you can stat, you should be familiar with its features and remove the thermostat body for easy program- with the display and the location and operation ming. To remove the thermostat body from the of the thermostat buttons. The information in subbase, grasp the thermostat body and gently this section will help you become familiar with pull it out from the bottom of the subbase and your ne
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If the word BATTERY is flashing in the PARTS OF THE THERMOSTAT display window, the battery is low and should The Back of The Thermostat Body be replaced with a fresh 9 volt Energizer® Turn the thermostat body over. On the back are alkaline battery. The battery will provide ® the 9 volt Energizer alkaline battery and the power for all functions except the display option switches. light, which works only on 24 VAC power. ® 1. The 9 volt Energizer alkaline battery pro- 4-pin connector Battery vides
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Other than and , the buttons are lo- CAUTION ! cated behind the thermostat door. To open the SYSTEM door, use your fingernail in the indentation at the Use HEAT/EMER/OFF/ to turn thermostat OFF be- COOL/AUTO top center of the door. Pull the door out, then fore removing thermostat from the wall swing the door down on its hinges. to replace the battery. Following are brief descriptions of the display 2. You may adjust the option switches for and the thermostat buttons. keypad lockout and automati
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VIEW The Display 4 When is pressed, A is displayed when TEMP Continuously displays system mode (HEAT, 1 the setpoint temperature displayed (at the far right) is the 1st programmed heating or EMER, OFF, COOL, AUTO, HOLD). Dur- cooling temperature (depending on mode). ing programming, the day of the week is B is displayed when the 2nd programmed displayed (MO, TU, WE, etc.). heating or cooling temperature is being dis- 2 Alternately displays room temperature (F played. denotes degrees Fahrenheit
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EMER. PUMP 5 DAY FAN AUTO MALF. AUX. SYSTEM TIME SET VIEW HOLD HEAT/EMER/OFF/ FWD CLOCK PRGM COPY COOL/AUTO TIME ADV VIEW RUN FAN ON-AUTO BACK DAY TEMP PRGM 1 2 3 3 2 DAY FAN AUTO 5 DAY BAT FAN ON 4 4 5 6 2 6 9
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TIME TIME The Thermostat Buttons 13 Used with and to select setpoint FWD BACK Sets the system mode (HEATing, OFF, 7 temperatures. COOLing, or AUTOmatic changeover). Used to manually override programming to 14 8 Selects fan operation (see #5, above). hold at a selected temperature (when HOLD is displayed). Also used to copy one day’s 9 Runs display forward or backward through programming to another day (when COPY time, day, or anticipation settings during is displayed). programming. Used to sta
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fer to heat pump manufacturer’s operating EMER light indicates that the system is in 18 manual). A continuous (non-flashing) PUMP the emergency mode (the heat pump com- light indicates that the heat pump compres- pressor is off and the auxiliary heat system sor is functioning — a flashing PUMP light is maintaining the setpoint temperature — indicates that the compressor is locked out. there is a 5- to 10-minute startup delay on AUX light indicates that the auxiliary system the first emergency cy
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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 set the the
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small screwdriver to move the switch to the Automatic Changeover ON position (see figure at right). Leave the ON battery out of the thermostat for at least two minutes, to allow the thermostat to reset 1234 itself. DO NOT MOVE OPTION SWITCHES #1 OR #2, as this may affect thermostat Switch #1 set at installation (DO NOT CHANGE) operation. [Option switch #3 enables/dis- Switch #2 set at installation (DO NOT CHANGE) Switch #3 (see TOTAL KEYPAD LOCKOUT) ables keypad lockout (see TOTAL KEY- Switch #
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• TWO HOUR TEMPERATURE OVER- the building is unoccupied for an extended RIDE — Press or until the display period of time. shows the temperature you want. The ther- TIME • °F/°C CONVERTIBILITY — Press FWD mostat will override current programming TIME and keep the room temperature at the se- and at the same time until the tem- BACK lected temperature for two hours. After two perature display is in °C (Celsius). To dis- hours, the thermostat will automatically re- play °F, repeat the process. v
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SET ADV To adjust heat anticipation, press and at the same time again. The display CLOCK DAY ADV will show COOL 14 (factory preprogrammed at the same time. The display will DAY TIME cooling anticipation). Use the and FWD show HEAT 18 (this is the factory prepro- TIME grammed heating anticipation setting). You buttons to adjust anticipation. To set BACK may select any anticipation setting from 4 to SET auxiliary heat anticipation, press and 40 (note that for add-on heat pump sys- CLOCK tems,
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• AUDIO PROMPTING — Each time you between heat pump heating and cooling press a button, the thermostat will beep (this cycles. The following may cause a time feature works only when the thermostat is delay in COOL: attached to the wall and 24 VAC power is a) Return of power after a power outage. present to the thermostat). SYSTEM b) Pressing to change operating HEAT/EMER/OFF/ COOL/AUTO • BACKLIT DISPLAY — When you press any button on the thermostat, the display is modes. lit for approximately e
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will begin to heat the crankcase oils. The Total Keypad Lockout thermostat’s time delay will lock out the ON compressor to prevent its operation until the compressor oil is sufficiently warmed. Dur- 1234 ing the lockout time period, the auxiliary heating system will operate to maintain a Switch #1 set at installation (DO NOT CHANGE) setpoint temperature. Switch #2 set at installation (DO NOT CHANGE) Switch #3 ON For example, if a power outage of three Switch #4 (see AUTOMATIC CHANGEOVER) hours
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PROGRAMMING YOUR THERMOSTAT Now you are ready to program your thermostat. thermostat for a commercial application (a store, This section will help you plan your thermostat’s office building, etc.), answer questions 1 through program to meet your needs. 4. If you are using the thermostat in your home, answer questions 5 through 8. For maximum comfort and efficiency, keep the following guidelines in mind when planning your FOR COMMERCIAL APPLICATIONS: program. 1a. What time does the first person a
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3a. What time do the building occupants reach 7a. What time does the first person arrive home a minimum activity level (limited personnel in the evening? in building)? b. What temperature should the house be at b. What temperature should the building be at this time? this time? 8a. What time does the last person go to bed at 4a. What time does the building become vacant? night? b. What temperature should the building be at b. What temperature should the house be at this time? this time? IN YOUR
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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°F 1 5:00 AM 1 5:00 AM 78°F 2 9:00 AM 70°F 2 9:00 AM 82°F 70°F 3 4:00 PM 3 4:00 PM 78°F 4 10:00 PM 64°F 4 10:00 PM 78°F If you want to change the preprogrammed times Your Factory Temperature Selected Preprogrammed and temperatures, follow these steps. Designation Temperature Temperature 1. Determine the heating and cooling tem- HEAT A 70°F peratures you w
