Emerson 1F94-80 Operation Manual Download

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OPERATION GUIDE

7 Day Multi-stage/Heat Pump
Electronic Digital Thermostat

1F94-80

WHITE-RODGERS

Operator: Save this booklet for future use!

W H I T E - R O D G E R S

DIGITAL COMFORT SET

Summary of Contents for 1F94-80

Page 1: ...OPERATION GUIDE 7 Day Multi stage Heat Pump Electronic Digital Thermostat 1F94 80 WHITE RODGERS Operator Save this booklet for future use W H I T E R O D G E R S DIGITAL COMFORT SET II ...

Page 2: ... at the address shown on the back cover of this booklet 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 ...

Page 3: ...nter Heating Program Enter Cooling Program Using the HOLD COPY Button CHECK YOUR PROGRAMMING QUESTIONS AND ANSWERS 34 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 Operator Save this booklet for future use ...

Page 4: ...ablefanwhen the occupied temperature is selected Backlit LCD displays continuous set point time and room temperature 9 volt Energizer alkaline battery backup Preprogrammed temperature control Adjustable cycle times Compressor short cycle protection Blower delay in the cooling cycle Audio and visual prompting during opera tion Two hour temperature override Manual program override HOLD tempera ture ...

Page 5: ...e pin connectors on the lower portion of the thermo stat back Gently push until the snap connectors engage DO NOT FORCE OR PRY THE THER MOSTAT as this may damage the unit Before you begin programming your thermo stat you should be familiar with its features and with the display and the location and operation of the thermostat buttons The information in this section will help you become familiar wi...

Page 6: ...ll for programming A fresh battery will maintain the stored program for approxi mately a week If power loss is long enough fortheprogramtobelost thethermostatwill automatically return to the factory pro grammed temperatures 64 F heating and 82 F cooling when power is restored You BACK OF THERMOSTAT BODY Option switches 9 pin connector 4 pin connector Battery W18 must reprogram the thermostat if th...

Page 7: ...place the battery 2 You may adjust the option switches for energymanagementrecoveryandtotalkey pad lockout see OPERATING FEA TURES CAUTION Other than and the buttons are 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 ...

Page 8: ...ontinuouslydisplayssystemmode HEAT EMER OFF COOL AUTO HLD During programming the day of the week and the period occupied or unoccupied are dis played MO O TU O WE U etc Alternately displays room temperature F denotes degrees Fahrenheit and C denotes degrees Celsius and time of day A de notes AM time and P denotes PM time Duringprogramming when VIEW TEMP ispressed the heating or cooling mode and pe...

Page 9: ...AT EMER OFF COOL AUTO ON AUTO TIME FWD TIME BACK SET CLOCK ADV DAY VIEW PRGM VIEW TEMP HOLD COPY RUN PRGM SEVEN DAY DIGITAL COMFORT SET II W H I T E R O D G E R S 1 2 3 4 5 BATTERY PRG FAN 2 3 4 EMER PUMP MALF AUX FAN AUTO PRG FAN ...

Page 10: ...t the system is in the emergency mode the heat pump com pressor is off and the auxiliary heat system is maintaining the setpoint temperature The Thermostat Buttons Sets the system mode HEATing OFF COOLing or AUTOmatic changeover Selects fan operation see 4 above Runs display forward or backward through time day or anticipation settings during programming Used with TIME FWD and TIME BACK to set cur...

Page 11: ...indicates a heat pump system malfunction refer to heat pump manufacturer s operating manual A con tinuous non flashing PUMPlightindicates SYSTEM SWITCH FAN SWITCH HEAT EMER OFF COOL AUTO ON AUTO TIME FWD TIME BACK SET CLOCK ADV DAY VIEW PRGM VIEW TEMP HOLD COPY RUN PRGM SEVEN DAY DIGITAL COMFORT SET II W H I T E R O D G E R S FAN AUTO 9 10 11 12 13 14 15 16 8 6 7 17 EMER PUMP MALF AUX ...

Page 12: ...r thermostat to pro vide an overnight heating temperature of 62 F and that during the next program period beginning at 6 00 AM you have programmed a temperature of 70 F The thermostat will automatically activate the heating system at about 5 00 AM so that the programmed 70 F temperature is reached by about 6 00 AM This feature is enabled by option switch 3 To enable the EMR function you must move ...

Page 13: ... system will now auto matically switch between heating and cool ing depending on the actual room tempera ture In the AUTO mode the thermostat will not allow the temperature separation between down use a pencil or small screwdriver to move the switch to the ON position see figure below Put the thermostat back on the wall and press SYSTEM SWITCH until the desired operating mode is displayed EMR ON S...

Page 14: ...fter two hours the thermostat will auto matically revert to the program We do not recommend using the temperature override feature when the thermostat is in the AUTO mode If you press or in the AUTO mode the thermostat will revert to the mode heatorcool inwhichitlastcycledandwill prevent automatic switching for two hours If you do press or in the AUTO mode you may press RUN PRGM to return to progr...

Page 15: ...oo often short cycles or not often enough long cycles you may want to adjust the anticipation setting A cooling anticipation setting of less than 10 may cause decreased compres sor life To adjust heat anticipation press SET CLOCK and ADV DAY at the same time The display will show HEAT18 thisisthefactorypreprogrammed heating anticipation setting You may se lect any anticipation setting from 4 to 40...

Page 16: ... be replaced AUDIO PROMPTING Each time you pressabutton thethermostatwillbeep this feature works only when the thermostat is attached to the wall and 24VAC power is present to the thermostat BACKLIT DISPLAY When you press any button on the thermostat the display is lit for approximately eight seconds this fea ture works only when the thermostat is attached to the wall and 24VAC power is present to...

Page 17: ... tion switch 4 is in the total keypad lockout position ON programs cannot be altered and all buttons are disabled NOTE ON 1 2 3 4 Programming should be completed and bat tery should be installed before changing op tion switch 4 TOTAL KEYPAD LOCKOUT ON Switch 1 set at installation DO NOT CHANGE Switch 2 set at installation DO NOT CHANGE Switch 3 see EMR Switch 4 ON To enable total keypad lockout pr...

Page 18: ...ll screwdriver to move option switch 4 to ON see figure on previouspage Replacethethermostatbody on the wall After moving switch 4 to the ON position you will not be able to make anychangestothermostatprogramming oroperation allbuttonswillbedisabled To disable total keypad lockout move op tion switch 4 to OFF ...

Page 19: ...when the building is vacant or during peri ods of low activity During early morning hours the need for cooling is usually minimal PLANNING FOR YOUR NEEDS First answer the following questions to help you decide what your needs are 1a What time does the first person arrive at the building in the morning b What temperature should the building be at this time heating cooling 2a What time does the buil...

Page 20: ... grammed You will select two heating tempera tures HEAT O for occupied temperature and HEAT U for unoccupied temperature and two cooling temperatures COOL O and COOL U To operate properly in the AUTO mode the highest heat temperature cannot be the same asorhigherthanthelowestcooltemperature or vice versa see diagram below Heating Program for ALL days of the Week PERIOD TIME TEMP Occupied O Unoccup...

Page 21: ...p Unoccupied Period Start Time Unoccupied Cooling Temp Cooling Program NOTE Fan and damper operation are linked to occupied or unoccupied temperature settings not time periods If you program an unoccupied temperature during an occupied time period the fan will operate in the AUTO mode only and the damper will NOT open We suggest programming occupied temperatures only during occupied time periods a...

Page 22: ...cling FAN AUTO during periods with unoccupied temperatures In your programming you may choose automatic fan operation FAN AUTO during both occupied and unoccupied periods remember that fan and damper operation are linked to temperature not time periods Joe s Restaurant Open Mon Sat 10 00 AM to 9 30 PM Sun 12 00PM to 6 00 PM 9 30 AM 9 30 AM 9 30 AM 9 30 AM 9 30 AM 9 30 AM 11 30 AM 73 F 73 F 73 F 73...

Page 23: ...S SET TO OFF POSITION BE FORE REATTACHING THERMOSTAT TO SUBBASE You cannot program the thermostat with the SYSTEM SWITCH in the AUTO position NOTE Set Current Time and Day 1 Press SET CLOCK once The display will show minutes only EXAMPLE 2 Press and hold either TIME FWD or TIME BACK until you reach the correct minutes 3 Press SET CLOCK once The display window will show the hour only EXAMPLE 4 Pres...

Page 24: ...stant temperature The display will revert to the alter natingtime temperaturedisplay Toresumepro gramming after this happens press VIEW PRGM until youareatthepointwhereyoustoppedprogram ming Then you may continue to enter your program normally If you want to stop program ming at any time simply press RUN PRGM to resume program operation 1 Press SYSTEM SWITCH until HEAT is displayed 2 Press VIEW TE...

Page 25: ...ammed cooling temperature COOL O 9 Press either or to change the temperature to your selected COOL O set ting 10 Press VIEW TEMP once Press or to set your selected COOL U setting 11 Press RUN PRGM Enter Heating Program 1 Press SYSTEM SWITCH until HEAT is displayed 2 Press VIEW PRGM once MO the abbreviation for Monday and the letter O representing the occupied heating period will appear in the disp...

Page 26: ...rature displayed is not the heat ing temperature you want for Monday s oc cupied period press or if you continue to press or the display will alternate between the HEAT O and HEAT U temperatures you previously se lected The fan and damper operation are linked to the occupied or unoccupied temperature selec tions not to the occupied or unoccupied time periods The programmable fan feature works only...

Page 27: ...3 and 4 to select the start time and heating temperature for Monday s un occupied heating period The thermostat has a built in COPY feature This feature automatically copies the heat ing and cooling programs you select for MondayintoTuesdaythroughSunday spro grams If you want to have the same program ming every day after you program Monday s schedule you simply press RUN PRGM to start the thermost...

Page 28: ...ndthatyouremovethethermo statfromthewallbeforeproceedingwith the following steps to program cooling temperatures Personal injury or prop erty damage may occur due to air condi tioner operation during cold weather A fresh 9 volt Energizer alkaline battery mustbe installed to perform off wallpro gramming Programming away from the wallshouldpreventaccidentalcompres sor operation BE SURE SYSTEM SWITCH...

Page 29: ...ll alternate between the COOL O and COOL U temperatures you previously se lected The fan and damper operation are linked to the occupied or unoccupied temperature selec tions not to the occupied or unoccupied time periods The programmable fan feature works only during periods with occupied temperature settings and the damper will only operate dur ing periods with occupied temperature settings Ther...

Page 30: ...lect for MondayintoTuesdaythroughSunday spro grams If you want to have the same program ming every day after you program Monday s schedule you simply press RUN PRGM to start the thermostat s programmed operation Every day will then use the same program you set for Monday You may also choose to use the HOLD COPY button to copy any day s heating and cooling program into any other day s program see U...

Page 31: ...hould enter both the heating and cooling programs for the day you wish to copy FROM before using the COPY function since the COPY function copies the entire day s programming to other days 1 Press VIEW PRGM 2 Press ADV DAY until the day you want to copy FROM is displayed If you have not com pleted programming for this day do so before proceeding 3 Press HOLD COPY once C standing for COPY will appe...

Page 32: ...check your thermostat programming one final time before beginning thermostat operation 1 Press SYSTEM SWITCH until HEAT is displayed 2 Press and hold VIEW PRGM to view the heating times and temperatures for Monday 3 Press ADV DAY once to advance to Tuesday 4 Press and hold VIEW PRGM to view heating cooling periods and heating temperatures for Tues day 5 Repeat steps 3 and 4 to review all remain in...

Page 33: ... PROGRAMMEDANDREADYTOAUTOMATI CALLYPROVIDEMAXIMUMCOMFORTAND EFFICIENCY Press SYSTEM SWITCH until OFF is displayed Reattach thermostat to subbase Then press SYSTEM SWITCH to select the operation mode you want HEAT COOL AUTO When you have completed programming you may set option switch 4 see TOTAL KEYPAD LOCKOUT in the OPERATING FEATURES section ...

Page 34: ...emperature The display will change to the time temperature mode To resume programming press VIEW PRGM until you return to the point where you stopped programming Then you may continue to program the thermostat normally If you want to stop programming at this point press RUN PRGM to startthenormalprogramfunction SeePRO GRAMMING YOUR THERMOSTAT 3 What happens if the electricity goes off or is manual...

Page 35: ...t and the backup battery is also dead How ever if there is power to the thermostat and the display is blank or frozen static dis charge is probably the cause During periods of low humidity especially during cold weather you may feel or see a spark discharge when you touch the ther mostat This may cause the program to be lost or the thermostat to display incorrectly To correct this remove the therm...

Page 36: ... the heating temperature higher To set a lower coolingtemperature youmustselectalower heatingtemperature SeePROGRAMMING YOUR THERMOSTAT 7 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 Thedisplaylightandaudioprompting beep only work when the thermostat is on the wall and 24VAC power is present to the thermo stat See OPERATING YOUR THERMO S...

Page 37: ...age may result from compressor operation during cold weather 10 Why doesn t the temperature change at the time I programmed There are a number of causes for this situ ation The following are primary reasons TheEMRfunctionisoperating The EMR function will automatically turn on the system early enough to bring the tem perature to the selected level by the beginning of the next program period See OPE...

Page 38: ...sipate 12 Why is the system turning on and off so frequently seldom The anticipation setting is too low high To change anticipation settings see OPER ATING YOUR THERMOSTAT 13 Between heating and cooling seasons I want to turn my system off Can I do this without affecting my thermostat pro gramming Any time you wish to turn your system off press SYSTEM SWITCH until the display shows OFF This will n...

Page 39: ...om the wall the program will be retained for ap proximately one minute if there is no bat tery installed or if the installed battery is dead If you are changing the battery after seeing a flashing BATTERY on the display the installed battery may be dead If you remove the old battery and install a fresh one within one minute you may not lose your thermostat programming After install ing a new batte...

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 EMERSON ELECTRIC CO 9797 REAVIS ROAD ST LOUIS MISSOURI 63123 5398 ...

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