White Rodgers 1F81-71 Thermostat User Manual
Contents
1. 1 Turn on power to the system NOTE 2 Press SYSTEM button until the system is OFF A i 3 Move FAN switch to ON The blower should begin to operate Puring lil operation ihesecond Stage arnal a co ay 9 p take 15 to 30 minutes to turn on The delay varies depending on 4 Move FAN switch to AUTO position The blower should stop the performance ofthe first stage Typically the second stage will within a short period of time come on sooner in more severe weather while in milder weather g it will take longer There is no adjustment to this feature as it is Heating System designed to maximize both comfort and efficiency 1 Press SYSTEM button to turn thermostat to HEAT 2 Press H to adjust thermostat setting to 90 and hold for five seconds After you release the button both stages of the heating system should begin to operate within five seconds 3 Press s to adjust temperature setting below room tempera ture The auxiliary heating system will stop immediately and the first stage will stop within three to four minutes Cooling System To prevent compressor and or property damage if the outdoor temperature is below 50 F DO NOT operate the cooling system 1 Press SYSTEM button to turn thermostat to COOL 2 Press E to adjustthermostat setting to 45 and hold for five seconds After you release the button the blower should come on immediately on high speed followed by cold air circulation Both stages of the cooli2. position This will allow the thermostat to energize the fan immediately on a call for heat If you are unsure if the heating cooling system requires the thermostat to control the fan contact a qualified heating and air conditioning service person Two jumpers are also located on the back of the thermostat so that you may customize the thermostat to meet your individual preference see fig 1 In most applications the factory jumper settings provide the most comfortable and convenient thermostat operation Jumper wire W905 determines how fast the system cycles on and off based on temperature change As shipped from the factory the thermostat will maintain a very consistent room temperature usually within 1 F of the thermostat setting To achieve a slower on and off cycle providing a slightly wider temperature span cut and separate jumper wire W905 Jumper wire W903 controls the Energy Management Recov ery EMR feature EMR allows the thermostat to energize the heating system up to 30 minutes before the time pro grammed into the thermostat The thermostat will then energize the system to gradually raise the temperature to your programmed temperature by using the most efficient stage of heat practical For example assume that the thermostat is programmed overnight to 66 F andthe room temperature is 66 If the next program is 7 AM 70 F an increase of 4 the thermostat will start the system 30 minutes before 7 AM If the
3. MUST BE JUMPERED TOGETHER Figure 4 Typical wiring diagram for two transformer systems with NO safety circuits Thermostat Control The 24 Volt neutral connection to terminal C on the thermostat is notr ired if repl Circuit s not required if you replace the batteries once a year with fresh AA Energizer alkaline THERMOSTAT batteries a HI 0 5 W ud Lc 48 Compressor Energized a Contactor in COOL elay Limit or Stage 2 Stage 1 Limit or Safety Hot Safety Switches Switches 120 VAC FATE Neutral Compressor Energized Heat l Contactor in HEAT Relay i Accessory HEATING Stage 1 Stage 2 Ly Relay N O TRANSFORMER Common A A saa Age he as RENT Y Limit or Limit or Safety Safety y TWO COMMONS MUST Switches Switches Prot BE JUMPERED TOGETHER Common 120 VAC Neutral COOLING TRANSFORMER Figure 5 Typical wiring diagram for two transformer systems with safety circuits in BOTH systems CHECK THERMOSTAT OPERATION If the fan is running but the compressor is not running and the word COOL is flashing the compressor lockout feature is NOTE operating see Lockout Bypass Option to temporarily f i s override the compressor lockout feature during testing If at any time during testing your system does not operate properly contact a qualified serviceperson 3 Press A to adjust temperature setting above room tempera y ture The cooling system should stop operating Fan Operation
4. can hold any temperature within its range for an indefinite period without reverting to the programmed temperature Press the HOLD TEMP button HOLD will be displayed Then choose the desired hold temperature by pressing H or E The ther mostat will hold the room temperature at the selected setting until you press RUN PRGM button to start program operation again F C CONVERTIBILITY Press SET TIME and HOLD TEMP buttons until the temperature display is in Celsius To display Fahrenheit repeat the process Instructions continue on page 6 TEMPERATURE DISPLAY ADJUSTMENT Your new thermostat has been accurately setin our factory However if you wish you may adjust your new thermostat tempera ture display to match your old thermostat This can be accomplished within a 4 F range as follows 1 Press VIEW PRGM and HOLD TEMP buttons at the same time 2 Press 5 or E to adjust the displayed temperature to your desired setting 3 Press RUN PRGMtoresume normal program operation PROGRAMMING YOUR THERMOSTAT Now you are ready to program your thermostat This section will help you plan your thermostat s program to meet your needs For maximum comfort and efficiency keep the following guide lines in mind when planning your program When heating cooling your building program the tem peratures to be cooler warmer when the building is vacant or during periods of low activity During early morning hours
5. temperature is in the room is within 2 F of your next programmed temperature the thermostat will not start the system early DO NOT clip jumper wire W903 unless you wish to perma nently disable the EMR feature W903 CUT TO DEFEAT EMR GAS ELECTRIC DE CUT FOR LONGER O O CYCLES Figure 1 Back of thermostat base Alkaline batteries 3 AA install ends to the left Mounting holes Figure 2 Thermostat base INSTALLING THE THERMOSTAT Gently remove the cover by pulling it straight off the base Forcing or prying on the unit may cause damage to the unit Remove the battery tab With the batteries installed the Armchair Programming feature allows you to program the thermostat before installing it on the wall Pull wires through the hole in the thermostat base and place the base over the hole in the wall Mark mounting hole locations on the wall using the base as a template Move the base out of the way Drill mounting holes Fasten the base loosely to the wall as shown in fig 2 using two mounting screws Place a level againstthe bottom ofthe base adjust until level and then tighten the screws Level ing is for appearance only and will not affect thermostat operation If you are using existing mounting holes or ifthe holes drilled are too large and do not allow you to tighten the base snugly use plastic screw anchors to secure the base Check that the system is
6. Electrical Rating 20 to 30 VAC 50 60 Hz or D C 0 05 to 1 5 Amps Load per terminal 2 5 Amps Maximum Total Load All terminals combined THERMAL DATA Setpoint Temperature Range 45 F to 90 F 7 C to 32 C Operating Ambient Temperature Range 32 F to 105 F Operating Humidity Range 0 to 90 RH non condensing Shipping Temperature Range 40 F to 150 F MI WHITE RODGERS DIVISION EMERSON ELECTRIC CO 9797 REAVIS ROAD sMerson ST LOUIS MISSOURI 63123 5398 Printed in U S A DESCRIPTION Optional B and O terminals Preprogrammed temperature control LCD continuously displays set point and alternately dis plays time and room temperature Temperature override until next program period Manual program override HOLD temperature F C convertibility Temperature range 45 to 90 F Two stage heat two stage cool Armchair programming capability e e e e e PRECAUTIONS To prevent electrical shock and or equipment damage disconnect electric power to system at main fuse or circuit breaker box until installation is complete Do not use on circuits exceeding specified voltage Higher voltage will damage control and could cause shock or fire hazard Do not short out terminals on gas valve or primary control to test Short or incorrect wiring will damage thermostat and could cause personal injury and or property damage SPECIFICATIONS APPLICATIONS For use with Heat cool syst
7. O Blue arrow Lowers temperature setting O SET TIME button 4 VIEW PRGM program button 5 RUN PRGM program button 6 HOLD TEMPerature button SYSTEM button COOL OFF HEAT AUTO FAN switch ON AUTO The Display 9 Indicates day of the week HEAT is displayed when the SYSTEM button has been pressed to put the thermostat in the HEAT mode COOL is displayed when the SYSTEM button has been pressed to put the thermostat in the COOL mode COOL is displayed flashing when the compressor is in lockout mode AUTO is displayed when the SYSTEM button has been pressed to put the thermostat in the automatic changeover AUTO mode 1 2 indicates the number of stages the thermostat is calling for Alternately displays current time and temperature The word HOLD is displayed when the thermostat is in the HOLD mode BATT is displayed when approximately 70 of battery life has been exhausted Displays currently programmed set temperature this is blank when SYSTEM button has been pressed to turn the system OFF E LK is displayed when keypad lockout has been activated OPERATING FEATURES Now that you are familiar with the thermostat buttons and display read the following information to learn about the many features of the thermostat SIMULTANEOUS HEATING COOLING PROGRAM STORAGE When programming you can enter both your heating and cooling programs at the same time There is no need to reprogram th
8. TH HEAT 10 30 PM 1ST COOL 6 30 AM 2ND COOL 2 00 PM 3RD COOL 5 00 PM 4TH COOL 10 30 PM EXAMPLE This display window shows that for the 1st weekday period the start time is 6 00 AM and 70 is the programmed temperature this example reflects factory preprogramming 4 Press H or E to change the displayed temperature to your selected temperature for the 1st heating program period 5 Press SET TIME once the programmed time will flash Press H or E until your selected time is displayed The time will change in 15 minute increments When your selected time is displayed press SET TIME again to return to the change temperature mode 6 Press VIEW PRGM once The currently programmed start time and setpoint temperature for the 2nd heating program period will be displayed 7 Repeat steps 4 and 5 to select the start time and heating temperature for the 2nd heating program period 8 Repeatsteps 4through 6 forthe 3rd and 4th heating program periods Weekday heating programs are now complete 9 Press VIEW PRGM once SA SU indicating weekend program will be displayed along with the start time for the 1st heating period and the currently programmed tempera ture 10 Repeat steps 4 through 8 to complete weekend heating programming 11 When you have completed entering your heating program press RUN PRGM Enter Cooling Program If the outside temperature is below 50 F disconnect power to the cooling system befo
9. WHITE RODGERS 1F81 71 Programmable Electronic Digital Automatic Changeover Multi stage Thermostat INSTALLATION AND OPERATION INSTRUCTIONS Operator Save these instructions for future use FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND OR PROPERTY DAMAGE Your new White Rodgers 5 Day 2 Day Digital Multi stage Ther mostat uses the technology of a solid state microcomputer to provide precise time temperature control Thisthermostat offers you the flexibility to design heating and cooling programs that fit your needs Features Separate 5 day weekday and 2 day weekend programming with four separate time temperature periods per program Simultaneous heat and cool program storage Optional C terminal dual power option Optional Energy Management Recovery EMR Thisthermostatis intended for use with a 24 voltsystem do not use this thermostat with a millivolt or line voltage system Ifin doubt about whether your wiring is millivolt line or low voltage have it inspected by a qualified heating and air conditioning contractor or electrician Do not exceed the specification ratings All wiring must conform to local and national electrical codes and ordinances This control is a precision instrument and should be handled carefully Rough handling or distorting components could cause the control to malfunction ELECTRICAL DATA
10. e thermostat at the beginning of each season OPERATION SYSTEM FANON AUTO oO N COOL OFFAHEAT AUTO h Figure 6 Thermostat display buttons and switches AUTOMATIC CHANGEOVER If you have a heating cooling system you can setthethermostatto automatically switch from heat to cool as needed to maintain setpoint temperature To select this mode press SYSTEM button until AUTO is displayed along with HEAT or COOL iden tifying the program automatically selected In AUTO mode pressing H and E at the same time will change the displayed setpoint temperature to the setpoint of the other mode HEAT or COOL This allows you to change both the HEAT and COOL setpoints if desired TOTAL KEYPAD LOCKOUT This security feature al lows you to lock out the thermostat buttons and switches to preventunauthorized tampering To selectthis feature after programming press SET TIME and RUN PRGM buttons at the same time and hold until LK is displayed To unlock the thermostat press SET TIME and RUN PRGM buttons at the same time until LK is no longer displayed TEMPERATURE OVERRIDE Press A or E until the display shows the temperature you want The thermostat will override current programming and keep the room temperature at the selected temperature until the next program period begins Then the thermostat will automati cally revert to the program HOLD TEMPERATURE The thermostat
11. ems with up to two stages heat two stages cool DO NOT USE WITH Millivolt systems Systems exceeding 30 VAC and 2 5 amps e 3 wire zoned hydronic heating systems PART NO 37 5938B Replaces 37 5938A 9912 INSTALLATION REMOVE OLD THERMOSTAT Shut off electricity at the main fuse box until installation is complete Ensure that electrical power is disconnected Remove the front cover of the old thermostat With wires still attached remove wall plate from the wall If the old thermostat has a wall mounting plate remove the thermostat and the wall mounting plate as an assembly Identify each wire attached to the old thermostat using the labels enclosed with the new thermostat Disconnect the wires from old thermostat one at a time DO NOT LET WIRES FALL BACK INTO THE WALL Install new thermostat using the following procedures PRE INSTALLATION SET UP Remove the packing material from the thermostat This thermostat is configured from the factory to operate a heat cool fossil fuel gas oil etc forced air system with up to 2 stages of heat and 2 stages of cool It is configured correctly for any system that DOES NOT require the thermo stat to energize the fan on a call for heat If your system is an electric heat or heat pump system that REQUIRES the thermostat to turn on the fan on a call for heat locate the GAS ELECTRIC switch on the back of the thermostat see fig 1 and switch it to the ELECTRIC
12. mfort and efficiency TROUBLESHOOTING If your thermostat s display is frozen or displaying incorrectly the thermostat may have been affected by static discharge or voltage variations If this happens press the RESET button see fig 2 page 2 for the location of the button Pressing the RESET button will clear all user programming The thermostat will revert to factory preprogramming You will need to reset the time and if desired reprogram the thermostat to your selected program If pressing the RESET button does not correct the problem contact a qualified service technician For optimum performance we recommend replacing batteries once a year with fresh AA Energizer alkaline batteries
13. ng system should begin to operate if you have a two stage cooling system LOCKOUT BYPASS OPTION FOR QUALIFIED SERVICE TECHNICIANS USE ONLY OPERATORS SHOULD NOT USE THIS FEA TURE DUE TO POSSIBILITY OF EQUIPMENT OR PROPERTY DAMAGE OR PERSONAL INJURY COMPRESSOR SHORT TERM CYCLE PROTECTION This thermostat has a built in short term 5 minute time delay During this 5 minute period the thermo stat will lock out the compressor to allow head pres sure to stabilize If you want to override this feature while testing thermostat operation simply press A and g buttons at the same time DO NOT USE THE LOCKOUT BYPASS OPTION UNLESS THE COMPRESSOR OIL HEATERS HAVE BEEN OPERATIONAL FOR 6 HOURS AND THE SYSTEM HAS NOT BEEN OPERATIONAL FOR AT LEAST 5 MINUTES Before you begin programming your thermostat you should be familiar with its features and with the display and the location and operation of the thermostat buttons Your thermostat consists of two parts the thermostat cover and the base To remove the cover gently pull it straight out from the base To replace the cover line up the cover with the base and press gently until the cover snaps onto the base THE THERMOSTAT BASE Other than A and al the following buttons and switches are located behind the door on the bottom of the thermostat cover see fig 6 Pull the door down to open it The Thermostat Buttons and Switches O Red arrow Raises temperature setting
14. od You may also want to look at the sample program table to get an idea of how the thermostat can be programmed Entering Your Program Follow these steps to enter the heating and cooling programs you have selected Set Current Time and Day 1 Press SET TIME button once The display will show the hour only 2 Press and hold either A or E until you reach the correct hour the letter P should be displayed for PM time which begins at noon 3 Press SET TIME once The display window will show the minutes only 4 Press and hold either A or E until you reach the correct minutes 5 Press SET TIME once The display will show the day of the week 6 Press A or E until you reach the current day of the week 7 Press RUN PRGM once The display will show the correct time and room temperature alternately Enter Heating Program 1 If you want to change the display from Fahrenheit to Celsius or vice versa press SET TIME and HOLD TEMP at the same time 2 Press the SYSTEM button until HEAT is displayed 3 Press VIEW PRGM once MO TU WE TH FR indicating weekday program will be displayed Also displayed are the currently programmed start time for the 1st heating period and the currently programmed temperature flashing SAMPLE Heating Cooling Schedule Plan WEEKDAY 5 DAY WEEKEND 2 DAY Start Time 5 30 AM Start Temperature Time Temperature Period 1ST HEAT 2ND HEAT 8 00 AM 3RD HEAT 5 00 PM 4
15. re programming Energizing the air conditioner compressor during cold weather may cause personal injury or property damage 1 Press SYSTEM button until COOL is displayed 2 Follow the procedure for entering your heating program using your selected cooling times and temperatures CHECK YOUR PROGRAMMING Follow these steps to check your thermostat programming one final time before beginning thermostat operation 1 Press SYSTEM button until HEAT is displayed 2 Press VIEW PRGM to view the 1st weekday heating period time and temperature Each time you press VIEW PRGM the next heating period time and temperature will be dis played in sequence for weekday then weekend program periods you may change any time or temperature during this procedure Press RUN PRGM Press SYSTEM button until COOL is displayed Repeat step 2 to check cooling temperatures Press RUN PRGM to begin program operation Press SYSTEM button to select HEAT COOL or AUTO mode Oh Or BO YOUR THERMOSTAT IS NOW COMPLETELY PRO GRAMMED AND READY TO AUTOMATICALLY PROVIDE MAXIMUM COMFORT AND EFFICIENCY During normal operation the second stage of heat or cool may take 15 to 30 minutes to turn on The delay varies depending on the performance ofthe first stage Typically the second stage will come on sooner in more severe weather while in milder weather it will take longer There is no adjustment to this feature as it is designed to maximize both co
16. the need for cooling is usually minimal Look at the factory preprogrammed times and temperatures shown below Ifthis program will suit your needs simply press the RUN PRGM button to begin running the factory preset program FACTORY PREPROGRAMMING Heating Program for Cooling Program for ALL days of the Week ALL Days of the Week PERIOD TIME TEMP PERIOD TIME TEMP 1st 6 00 AM 70 F 1st 6 00 AM 78 F 2nd 8 00 AM 62 F 2nd 8 00 AM 85 F 3rd 5 00 PM 70 F 3rd 5 00 PM 78 F 4th 10 00 PM 62 F 4th 10 00 PM 82 F If you want to change the preprogrammed times and tempera tures follow these steps Determine the time periods and heating and cooling tempera tures for your weekday and weekend programs You must program four periods for both tne weekday and weekend pro gram However you may use the same heating and cooling temperatures for consecutive time periods You can choose start times heating temperatures and cooling temperatures independently for both weekday and weekend programs for example you may select 5 00 AM and 70 as the weekday 1st period heating start time and temperature and also choose 7 00 AM and 76 as the weekday 1st period cooling start time and temperature Heating Cooling Schedule Plan WEEKDAY 5 DAY WEEKEND 2 DAY Period Start Start Time Temperature Time Temperature stuear TT Use the table at the bottom of the page to plan your program time periods and the temperatures you want during each peri
17. turned off Connect the wires beneath the terminal screws on the base using the appropri ate wiring diagram see figs 3 through 5 Push excess wire into wall and plug hole with a fire resistant material such as fiberglass insulation to prevent drafts from affecting thermostat operation Instructions continue on page 4 The following wiring diagrams show typical terminal identifica Relay contacts shown are thermostatically operated tion and wiring For proper installation refer to the original manufacturer s instructions The 24 Volt neutral connection to terminal C on the thermostat Thermostat is not required if you replace Control the batteries once a year with rail fresh AA Energizer alkaline Circuit i batteries OOO O O 0 O SYSTEM H Energized pcia ie in COOL ontactor y Stage 2 Stage 1 Hot El E 120 VAC Energized peri Heat Neutral in HEAT ontactor Relay TRANSFORMER Stage 1 Stage 2 Figure 3 Typical wiring diagram for single transformer systems The 24 Volt neutral connection to terminal C on the thermostat OR is not required if you replace Control Circuit the batteries once a year with fresh AA Energizer alkaline batteries uz THERMOSTAT TAPE OFF _ Compressor Contactor Stage 2 Energized 120 VAC in COOL Relay Stage 1 Neutral TRANSFORMER Compressor Energized Contactor Neutral in HEAT Stage 1 TRANSFORMER TWO COMMONS
Download Pdf Manuals
Related Search