White Rodgers 1F94W-71 Operation Manual Download

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OPERATION GUIDE

7 Day Multi-stage/Heat Pump
Electronic Digital Thermostat

1F94W-71

WHITE-RODGERS

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Summary of Contents for 1F94W-71

Page 1: ...OPERATION GUIDE 7 Day Multi stage Heat Pump Electronic Digital Thermostat 1F94W 71 WHITE RODGERS Operator Save this booklet for future use ...

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: ...R PROGRAMMING QUESTIONS AND ANSWERS 33 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 PROGRAMMING YOUR THERMOSTAT 18 PLANNING FOR YOUR NEEDS ENTERING YOUR PROGRAM Set Current Time and Day Program Heating and Cooling Temperatures In This Guide ...

Page 4: ... continuous set point time and room temperature 9 volt Energizer alkaline battery backup Preprogrammed temperature control Adjustable cycle times Compressor short cycle protection Compressor long term cycle protection Blower delay in the cooling cycle Audio and visual prompting during operation Two hour temperature override Manual program override HOLD tem perature F C convertibility Keypad lockou...

Page 5: ... 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 with yo...

Page 6: ...amforapproximatelyaweek If power loss is long enough for the program to be lost the thermostat will automatically return to the factory programmed tempera tures 64 F heating and 82 F cooling when power is restored You must reprogram the thermostat if this happens If the word BATTERY is flashing in the displaywindow thebatteryislowandshould be replaced with a fresh 9 volt Energizer alkaline battery...

Page 7: ...pad lockout and automatic changeover from heat to cool see OPERATING FEA TURES Other than and the buttons are lo cated 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 the thermostat buttons CAUTION ...

Page 8: ... dis playedduringautomaticfanoperation when the blower cycles with the heating or cooling system 6 The word BATTERY flashes on the display when the 9 volt alkaline battery power is weak and should be replaced The Display 1 Continuouslydisplayssystemmode HEAT EMER OFF COOL AUTO HOLD Dur ing programming the day of the week is displayed MO TU WE etc 2 Alternately displays room temperature F denotes d...

Page 9: ...1 2 3 4 6 6 2 DAY 5 DAY 2 3 5 4 FAN AUTO FAN ON BAT 5 DAY FAN AUTO EMER PUMP AUX MALF TIME FWD SYSTEM HEAT EMER OFF COOL AUTO SET CLOCK VIEW PRGM HOLD COPY TIME BACK FAN ON AUTO ADV DAY VIEW TEMP RUN PRGM ...

Page 10: ... pro gram viewing automatically begins with Monday s program use ADV DAY button to view programming for following days 13 Used with TIME FWD and TIME BACK to select setpoint temperatures 14 Used to manually override programming to holdataselectedtemperature whenHOLD is displayed Also used to copy one day s programming to another day when COPY is displayed 15 Used to start program operation after p...

Page 11: ...ndicates that the heat pump compres sor is functioning a flashing PUMP light indicates that the compressor is locked out AUX light indicates that the auxiliary system is operating 18 EMER light indicates that the system is in the emergency mode the heat pump com pressor is off and the auxiliary heat system is maintaining the setpoint temperature there is a 5 to 10 minute startup delay on the first...

Page 12: ...eating 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 AUTOMATIC CHANGEOVER You can set the thermostat to automatically switch the system from heating to cooling as needed First ...

Page 13: ...the thermostat for at least two minutes to allow the thermostat to reset itself DONOTMOVEOPTIONSWITCHES 1 OR 2 as this may affect thermostat operation Option switch 3 enables dis ables keypad lockout see TOTAL KEY PAD LOCKOUT Replace the battery re program the thermostat if necessary put the thermostat back on the wall and restore 24 VAC power To set the thermostat for automatic changeover after p...

Page 14: ...by pressing or The thermostat will hold the room temperature at the selected setting until you press RUN PRGM to start program operation again This fea ture is ideal for energy conservation when the building is unoccupied for an extended period of time F C CONVERTIBILITY Press TIME FWD and TIME BACK at the same time until the tem perature display is in C Celsius To dis play F repeat the process AD...

Page 15: ...ort press TIME FWD to increase the cycle time If the heat cycles are too long press TIME BACK to decrease the cycle time To set cooling anticipation press SET CLOCK and ADV DAY at the same time again The display willshowCOOL14 factorypreprogrammed cooling anticipation Use the TIME FWD and TIME BACK buttons to adjust anticipation To set auxiliary heat anticipation press SET CLOCK and ADV DAY at the...

Page 16: ...TCYCLEPROTEC TION To protect your compressor from potential damage due to rapid cycling this thermostat has a built in delay of 5 minutes between heat pump heating and cooling cycles The following may cause a time delay in COOL a Return of power after a power outage b Pressing SYSTEM HEAT EMER OFF COOL AUTO to change operating modes c Pressing or creating a call for HEAT or COOL too soon after a p...

Page 17: ...ypad lockout move option switch 3 to OFF will begin to heat the crankcase oils The thermostat s time delay will lock out the compressor to prevent its operation until the compressor oil is sufficiently warmed Dur ing the lockout time period the auxiliary heating system will operate to maintain a setpoint temperature For example if a power outage of three hours occurs the compressor will be locked ...

Page 18: ...g is usually minimal PLANNING FOR YOUR NEEDS First answer the following questions to help you decide what your needs are If you are using the thermostatforacommercialapplication astore officebuilding etc answerquestions1through 4 If you are using the thermostat in your home answer questions 5 through 8 FOR COMMERCIAL APPLICATIONS 1a What time does the first person arrive at the building in the mor...

Page 19: ...e house be at this time 6a What time does the last person leave the house in the morning b What temperature should the house be at this time 7a What time does the first person arrive home in the evening b What temperature should the house be at this time 8a What time does the last person go to bed at night b What temperature should the house be at this time Now look at the factory preprogrammed ti...

Page 20: ... 9 00 AM 4 00 PM 10 00 PM 70 F 70 F 70 F 64 F 1 2 3 4 5 00 AM 9 00 AM 4 00 PM 10 00 PM 78 F 82 F 78 F 78 F FACTORY PREPROGRAMMING If you want to change the preprogrammed times and temperatures follow these steps 1 Determine the heating and cooling tem peratures you want to use You may select up to four heating temperatures HEAT A HEAT B HEAT C and HEAT D and up to four cooling temperatures COOL A ...

Page 21: ...cutive time periods Also keep in mind that for any given day you can only program one set of times for bothheatingandcooling forexample ifyou select 5 00 AM to begin heating period 1 on Monday then your cooling period 1 for Monday will also begin at 5 00 AM How ever you may choose different time periods for each day separately for example heat ing cooling period 1 on Monday may begin at 5 00 AM bu...

Page 22: ...at Temp Cool Temp Time Heat Temp Cool Temp Time Heat Temp Cool Temp Time Heat Temp Cool Temp Monday Tuesday Wednesday Thursday Friday Saturday Sunday Heating Cooling Schedule Plan THIS THERMOSTAT ALLOWS ONE SET OF TIMES FOR BOTH HEATING AND COOLING ...

Page 23: ...A 80 A 80 A 80 A 80 A 80 A 78 B 9 00 AM 9 00 AM 9 00 AM 9 00 AM 9 00 AM 9 00 AM 9 00 AM 65 A 70 C 70 C 70 C 70 C 70 C 70 C 80 A 76 C 76 C 76 C 76 C 76 C 76 C 3 30 PM 3 30 PM 3 30 PM 3 30 PM 3 30 PM 3 30 PM 3 30 PM 65 A 72 D 72 D 72 D 72 D 72 D 68 B 80 A 74 D 74 D 74 D 74 D 74 D 76 C 11 30 PM 11 30 PM 11 30 PM 11 30 PM 11 30 PM 11 30 PM 11 30 PM 65 A 65 A 65 A 65 A 65 A 65 A 65 A 80 A 80 A 80 A 80 ...

Page 24: ...CH IS SET TO OFF POSITION BE FORE REATTACHING THERMOSTAT TO SUBBASE You cannot program the thermostat with the SYSTEM SWITCH in the AUTO position Set Current Time and Day 1 Press SET CLOCK once The display will show minutes only EXAMPLE 2 Pressandholdeither TIME FWD or TIME BACK untilyou reach the correct minutes 3 Press SET CLOCK once The display window will show the hour only EXAMPLE 4 Pressandh...

Page 25: ...e The display will revert to the alter natingtime temperaturedisplay Toresumepro gramming after this happens press VIEW PRGM until youareatthepointwhereyoustoppedprogram ming hen you may continue to enter your pro gram normally If you want to stop programming at any time simply press RUN PRGM to resume pro gram operation 1 Press SYSTEM HEAT EMER OFF COOL AUTO until HEAT is displayed 2 Press VIEW T...

Page 26: ...or to change the temperature to your selected COOL A set ting 11 Press VIEW TEMP once Press or to set your selected COOL B setting 12 Repeat step 11 to select COOL C and COOL D temperature settings 13 Press RUN PRGM Program Heating Cooling Times and Heating Temperatures 1 Press SYSTEM HEAT EMER OFF COOL AUTO until HEAT is displayed 2 Press VIEW PRGM once MO the abbreviation for Monday and the numb...

Page 27: ...onday s period 1 for both heating and cooling 4 IfthetemperaturedisplayedisnottheHEAT A B C or D temperature you want for Monday s period 1 press or if you continue to press or the display will alternately display the HEAT A B C or D temperatures you previously selected 5 Afterselectingthedesiredheatingtempera ture for heating cooling Monday s period 1 press VIEW PRGM Thecurrentlyprogrammedstart t...

Page 28: ...e program you set for Monday You may also choose to use the HOLD COPY button to copy any day s heating and cool ing program into any other day s program see USING THE HOLD COPY BUTTON 8 To enter Tuesday s through Sunday s heat ing programs use the HOLD COPY button see USING THE HOLD COPY BUTTON or press ADV DAY until the correct day s abbrevia tion appears in the display Repeat the above steps to ...

Page 29: ...F COOL AUTO TO TURN THER MOSTAT OFF BEFORE REATTACHING THE THERMOSTAT TO THE SUBBASE 1 To program cooling temperatures for the heating cooling periods you have already set press SYSTEM HEAT EMER OFF COOL AUTO until COOL is displayed 2 Press VIEW PRGM once The Monday heating cooling period 1 start time you just pro grammed will appear and the currently pro grammed cooling temperature A B C or D wil...

Page 30: ... must start with the day s program you wish to copy FROM A COPY operation is not complete until HOLD COPY has been pressed TWICE For most efficient programming you should 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 da...

Page 31: ...ther day s program 7 Press RUN PRGM to begin program operation CHECK YOUR PROGRAMMING Follow these steps to check your thermostat programming one final time before beginning thermostat operation 1 Press SYSTEM HEAT EMER OFF COOL AUTO until HEAT is displayed 2 Press and hold VIEW PRGM to view the heating cooling period times and heating tempera tures for Monday 3 Press ADV DAY once to advance to Tu...

Page 32: ...program operation YOURTHERMOSTATISNOWCOMPLETELY PROGRAMMEDANDREADYTOAUTOMATI CALLYPROVIDEMAXIMUMCOMFORTAND EFFICIENCY Press SYSTEM HEAT EMER OFF COOL AUTO until OFF is displayed Reattach thermostat to subbase Then press SYSTEM HEAT EMER OFF COOL AUTO to select the operation mode you want HEAT COOL AUTO When you have completed programming you may set option switch 3 see TOTAL KEYPAD LOCKOUT in the ...

Page 33: ...tive time period For example you may select the same COOL A tempera ture for period 2 as you did for period 1 whichmeansthetemperaturewillnotchange from COOL A when period 2 begins See PROGRAMMING YOUR THERMOSTAT 3 How can I finish my programming if the display has already changed to time temperature During programming if no buttons are pressed for five minutes the thermostat will enter the HOLD m...

Page 34: ...be maintained for about one week with no 24 VAC power present to the thermostat See OPERAT ING YOUR THERMOSTAT 5 Why can t I program the thermostat in the AUTO mode The thermostat can only be programmed in the HEAT and COOL modes See PRO GRAMMING YOUR THERMOSTAT 6 What can cause the thermostat display to freeze or go blank A completely blank display may indicate that power has been lost to the the...

Page 35: ...lems touch another object to release static build up before touching the thermostat See OPERATING YOUR THERMOSTAT 7 Why won t the setpoint temperature go to the temperature I want In the AUTO mode the highest heating setpoint temperature you select must be at least 1 F lower than the lowest cooling setpoint temperature you select for ex ample if 70 F is your lowest selected cool ing temperature yo...

Page 36: ...low and should be replaced with a fresh 9 volt Energizer alkaline battery See OPER ATING YOUR THERMOSTAT 10 Why won t the system turn on even though the thermostat display is func tioning normally Either the compressor lockout feature is in operation or the thermostat is not currently calling for heat or cool Wait about 5 minutes for the compressor lockout to expire If the system is still not runn...

Page 37: ...utomatically turn on the system early enough to bring the temperature to the selected level by the beginning of the next program pe riod See OPERATING YOUR THERMOSTAT You have programmed the incorrect day or time Check your programming be sure that the times you programmed are correct AM or PM times See PRO GRAMMING YOUR THERMOSTAT The thermostat is in the HOLD mode Press RUN PRGM to start program...

Page 38: ...tings see OPER ATING YOUR THERMOSTAT 14 Between heating and cooling seasons I want to turn my system off Can I do this withoutaffectingmythermostatprogram ming Any time you wish to turn your system off press SYSTEM HEAT EMER OFF COOL AUTO until the display shows OFF This will not affect your thermostat s pro gramming in any way To turn the system back on press SYSTEM HEAT EMER OFF COOL AUTO until ...

Page 39: ...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 battery follow the procedures in CHECK YOUR PROGRA...

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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