Emerson 1F94-80 Operation Manual
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Emerson 1F94-80 Operation Manual

Emerson 1F94-80 Operation Manual

7 day multi-stage/heat pump electronic digital thermostat
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OPERATION GUIDE
7 Day Multi-stage/Heat Pump
Electronic Digital Thermostat
WHITE-RODGERS
Operator: Save this booklet for future use!
1F94-80
W H I
T E - R
O D G
D IG IT
A L C O
M F O R
T S E T
E R S
I I

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Summary of Contents for Emerson 1F94-80

  • Page 1 1F94-80 OPERATION GUIDE 7 Day Multi-stage/Heat Pump Electronic Digital Thermostat WHITE-RODGERS W H I T E - R O D G D IG IT E R S A L C O M F O R T S E T Operator: Save this booklet for future use!

  • 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 In This Guide . . . YOUR NEW THERMOSTAT'S PROGRAMMING YOUR FEATURES ........... 4 THERMOSTAT ........19 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 Program Heating/Cooling The Thermostat Buttons...

  • Page 4: Your New Thermostat's Features

    YOUR NEW THERMOSTAT’S FEATURES ® • Computed Energy Management Recovery • 9 volt Energizer alkaline battery backup (EMR) • Preprogrammed temperature control • Automatic changeover (operator-selectable) • Adjustable cycle times • Separate setback programming for 7 inde- • Compressor short cycle protection pendent days •...

  • Page 5: Operating Your Thermostat

    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.

  • Page 6: Parts Of The Thermostat

    PARTS OF THE THERMOSTAT must reprogram the thermostat if this hap- pens. If the word BATTERY is flashing in the The Back of The Thermostat Body display window, the battery is low and should ® be replaced with a fresh 9 volt Energizer Turn the thermostat body over.
  • Page 7 alkaline battery. The battery will provide power for all functions except the display Other than , the buttons are light, which works only on 24VAC power. located behind the thermostat door. To open the door, use your fingernail in the indentation at the CAUTION top center of the door.
  • Page 8 The Display FAN AUTO is displayed during automatic fan operation (when the blower cycles with Continuously displays system mode (HEAT, the heating or cooling system). PRG FAN is EMER, OFF, COOL, AUTO, HLD). During displayed when the fan has been pro- programming, the day of the week and the grammed to run continuously during the period (occupied or unoccupied) are dis-...
  • Page 9 EMER. PUMP PRG FAN MALF. AUX. W H I T E - R O D G E R S SEVEN DAY DIGITAL COMFORT-SET SYSTEM TIME VIEW HOLD CLOCK PRGM COPY SWITCH HEAT-EMER-OFF-COOL-AUTO TIME VIEW BACK TEMP PRGM SWITCH ON-AUTO PRG FAN FAN AUTO BATTERY...
  • Page 10 The Thermostat Buttons Used with to select setpoint temperatures. Sets the system mode (HEATing, OFF, Used to manually override programming to COOLing, or AUTOmatic changeover). hold at a selected temperature (when HOLD Selects fan operation (see #4, above). is displayed). Also used to copy one day’s programming to another day (when COPY Runs display forward or backward through is displayed).

  • Page 11: Heat Pump

    MALF light indicates a heat pump system that the heat pump compressor is function- malfunction (refer heat pump ing — a flashing PUMP light indicates that manufacturer's operating manual). A con- the compressor is locked out. AUX light tinuous (non-flashing) PUMP light indicates indicates that the auxiliary system is oper- ating.

  • Page 12: Operating Features

    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...
  • Page 13 (down), use a pencil or small screwdriver to screwdriver to move option switch #3 to the move the switch to the ON position (see OFF (down) position. Put the thermostat figure below). Put the thermostat back on SYSTEM back on the wall and press until the SWITCH SYSTEM...
  • Page 14 the highest heat setting and the lowest cool NOTE setting to be less than 1°F. For example, if the highest heat setting is 76°F, the lowest We do not recommend using the temperature cool setting cannot be below 77°F (see override feature when the thermostat is in the diagram below).
  • Page 15 thermostat will hold the room temperature CAUTION at the selected setting until you press PRGM A cooling anticipation setting of less to start program operation again. This fea- than 10 may cause decreased compres- ture is ideal for energy conservation when sor life.
  • Page 16 • AUDIO PROMPTING — Each time you are too short, press TIME to increase the press a button, the thermostat will beep (this cycle time. If the heat cycles are too long, feature works only when the thermostat is attached to the wall and 24VAC power is press TIME to decrease the cycle time.
  • Page 17 between heat pump heating and cooling NOTE cycles. The following may cause a time delay in COOL: Programming should be completed and bat- tery should be installed before changing op- tion switch #4. a) Return of power after a power outage. SYSTEM b) Pressing to change operating...
  • Page 18 ON position, you will not be able to make SYSTEM until the desired operating mode SWITCH any changes to thermostat programming is displayed. Turn the thermostat body or operation (all buttons will be disabled). over. Use a pencil or small screwdriver to To disable total keypad lockout, move op- move option switch #4 to ON (see figure on tion switch #4 to OFF.

  • Page 19: Programming Your Thermostat

    PROGRAMMING YOUR THERMOSTAT Now you are ready to program your thermostat. PLANNING FOR YOUR NEEDS This section will help you plan your thermostat's program to meet your needs. First, answer the following questions to help you decide what your needs are. For maximum comfort and efficiency, keep the following guidelines in mind when planning your 1a.
  • Page 20 Now look at the factory preprogrammed times gram time periods and temperatures. You may and temperatures shown below. If this program also want to look at the sample program table to get an idea of how the thermostat can be pro- will suit your needs, simply press to begin PRGM...
  • Page 21 Heating/Cooling Schedule Plan Heating Program Cooling Program Occupied Occupied Unoccupied Unoccupied Occupied Occupied Unoccupied Unoccupied Period Heating Period Heating Period Cooling Period Cooling Start Time Temp. Start Time Temp. Start Time Temp. Start Time Temp. Monday Tuesday Wednesday Thursday Friday Saturday Sunday NOTE: Fan and damper operation are linked to occupied or unoccupied temperature settings, not time periods.
  • Page 22 SAMPLE Joe’s Restaurant Heating/Cooling Schedule Plan Open: Mon-Sat 10:00 AM to 9:30 PM Sun 12:00PM to 6:00 PM Heating Program Cooling Program Occupied Occupied Unoccupied Unoccupied Occupied Occupied Unoccupied Unoccupied Period Heating Period Heating Period Cooling Period Cooling Start Time Temp.

  • Page 23: Entering Your Program

    ENTERING YOUR PROGRAM Set Current Time and Day Follow these steps to enter the heating/cooling 1. Press once. The display will show CLOCK program you have selected. minutes only. EXAMPLE: NOTE TIME TIME 2. Press and hold either until you We recommend that you remove the thermostat BACK from the wall for programming (especially for...
  • Page 24 VIEW 5. Press once. The display will show the gramming after this happens, press until CLOCK PRGM day of the week as an abbreviation (MO for you are at the point where you stopped program- Monday, TU for Tuesday, etc.). ming.
  • Page 25 4. Press VIEW once. The letter O will change to 10. Press VIEW once. Press TEMP TEMP the letter U, representing the unoccupied set your selected COOL U setting. heating temperature (HEAT U). 11. Press PRGM 5. Press either to change the temperature to your selected HEAT U set- Enter Heating Program ting.
  • Page 26 This display window shows that for Monday’s will alternate between the HEAT O and occupied heating period, the start time is HEAT U temperatures you previously se- 8:00 AM, 70° is the programmed tempera- lected). ture, and the fan is set to PRG FAN (continu- NOTE ous fan operation);...
  • Page 27 5. If you want the fan to run continuously NOTE during Monday’s occupied period, press The thermostat has a built-in COPY feature. until PRG FAN is displayed (re- SWITCH This feature automatically copies the heat- member, this feature only works if you have ing and cooling programs you select for programmed an occupied temperature for Monday into Tuesday through Sunday’s pro-...
  • Page 28 8. To enter Tuesday’s through Sunday’s heat- the following steps to program cooling temperatures. Personal injury or prop- HOLD ing programs, use the button (see COPY erty damage may occur due to air condi- USING THE HOLD/COPY BUTTON), or tioner operation during cold weather. A ®...
  • Page 29 display. Also displayed are the currently NOTE programmed start time for the occupied cooling period and the currently programmed The fan and damper operation are linked to the COOL O temperature. occupied or unoccupied temperature selec- tions, not to the occupied or unoccupied time 3.
  • Page 30 programmed an occupied temperature for schedule, you simply press to start the PRGM this period). thermostat’s programmed operation. Every day 6. After selecting the desired cooling tempera- will then use the same program you set for ture for Monday’s occupied period, press Monday.
  • Page 31 9. When you have completed programming VIEW 1. Press PRGM your cooling periods and temperatures, 2. Press until the day you want to copy press to begin program operation. PRGM FROM is displayed. If you have not com- pleted programming for this day, do so Using The HOLD/COPY Button before proceeding.

  • Page 32: Check Your Programming

    SYSTEM 4. Press to select the day you want to 1. Press until HEAT is displayed. SWITCH copy the program TO. VIEW 2. Press and hold to view the heating PRGM 5. Press HOLD . C will disappear from the dis- times and temperatures for Monday.
  • Page 33 8. Repeat steps 2 through 5 to check cooling SYSTEM Press until OFF is displayed. Reattach SWITCH times and temperatures. thermostat to subbase. Then press SYSTEM 9. Press to begin program operation. SWITCH PRGM select the operation mode you want (HEAT, COOL, AUTO).

  • Page 34: Questions And Answers

    QUESTIONS AND ANSWERS 1. How can I permanently change a part of to the time/temperature mode. To resume my program? VIEW programming, press until you return to PRGM VIEW Press until you reach the the point where you stopped programming. PRGM Then you may continue to program the time/temperature schedule you want.
  • Page 35 a cooling temperature of 82°F until you ever, if there is power to the thermostat and reenter your program. Setpoint tempera- the display is blank or frozen, static dis- ture will not be displayed. charge is probably the cause. ® If a fresh 9 volt Energizer alkaline battery is During periods of low humidity (especially...
  • Page 36 To prevent further static discharge prob- 7. Why doesn’t the display light come on lems, touch another object to release static when I press a button? Why don’t I hear build-up before touching the thermostat. a beep when I press a button? See OPERATING YOUR THERMOSTAT.
  • Page 37 calling for heat or cool. If the compressor 10. Why doesn’t the temperature change at lockout is active, the PUMP LED will flash. the time I programmed? Wait about 5 minutes for the compressor There are a number of causes for this situ- lockout to expire.
  • Page 38 See OPERATING YOUR THERMO- change anticipation settings, see OPER- STAT. ATING YOUR THERMOSTAT. • If the PUMP LED is flashing, the com- 13. Between heating and cooling seasons, I pressor lockout feature is operating; wait want to turn my system off. Can I do this about 5 minutes for system to begin without affecting my thermostat pro- running.
  • Page 39 mostat is in the HOLD mode. See OPER- tery installed or if the installed battery is ATING YOUR THERMOSTAT. dead. If you are changing the battery after seeing a flashing BATTERY on the display, 14. I live in an area where daylight savings the installed battery may be dead.
  • Page 40 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 Part No. 37-5186A EMERSON ELECTRIC CO. 9797 REAVIS ROAD 9329 ST. LOUIS, MISSOURI 63123-5398...

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