Lenox L5711U User's Manual
Contents
1. WIL WT ILI I SCHED HOLD CLOCK SCREEN MORE Page 16 Clean the Thermostat Screen The thermostat screen may be cleaned if necessary 1 Press the SCREEN key The thermostat locks the touch screen for 30 seconds to allow for cleaning 2 Use a damp cloth slightly moistened with water or household glass cleaner to clean the screen IMPORTANT Do not spray any type of liquid directly onto the thermostat Spray the water or household glass cleaner on a cloth then use the cloth to clean the thermostat screen 3 Repeat the above steps as necessary 4 Press the DONE key to return to the home screen and normal operation ZI Screen Page 17 Battery Replacement If your thermostat has batteries a low battery warning flashes on the home screen for approximately 30 days IMPORTANT Batteries should be replaced once per year to prevent leakage and to prevent loss of battery back up in a pow er outtage You may also wish to replace the batteries prior to leaving your home for more than a month 1 When the low battery indicator is flashing replace the batteries promptly with three fresh AAA alkaline batter ies TERTE 2 Remove the thermostat from the wallplate by pulling straight out Battery Replacement Continued 3 Remove the old batteries and insert three fresh AAA al kaline batteries as marked on the thermostat BACK OF THERMOSTAT2. Override Temperature Setting Permanent Hold The permanent hold function overrides the programmed temper ature setting until the permanent hold is cancelled 1 Press the HOLD key NOTE Permanent Hold appears on the screen under the cur rent time 2 Use the UP and Down to adjust the temperature to the setting that you want the thermostat to hold 3 Press CANCEL key to cancel permanent hold and re sume schedule Following Schedule appears on the screen to indicate that the hold has ended Set To ded 4 IL Ly Permanent Hold SCHED HOLD CLOCK SCREEN CANCEL Page 14 Override Temperature Setting Vacation Hold You may use the vacation hold function to override the pro grammed temperature setting for a designated number of days 1 Press the UP or DOWN arrow next to the temperature display to adjust the temperature as desired NOTE Hold Temperature Until appears on the screen The currently programmed start time of the next scheduled period also appears as does an additional set of arrows This is the time of day that the override will expire after the hold period ends 2 Press the HOLD key twice Screen shows Hold Tempera ture Until one day 3 Press the UP and DOWN arrows to adjust the number of days you would like to override the schedule NOTE Arrows used to adjust the number of days are displayed for approximately seven seconds Press the scre
3. Make sure the setting matches the installed heating and or cooling system Check to ensure that bare portions of wires are not touching Check Installer Set Up Number 170 Heating and or Cooling Type Make sure the setting matches the installed heating and or cooling system table continued on next page Page 31 Troubleshooting Tips Heating system does not turn off and the heat temperature setting is set below the room temperature Heat is not shown in display Red LED is lit in the upper right corner of the thermostat when the sys tem monitor de tects a possible problem Check Installer Set Up Number 170 Heating and or Cooling Type Make sure the setting matches the installed heating and or cooling system A system monitor is wired to the thermostat L terminal Refer to suggestions given in Heat ing or Cooling System Does Not Turn On sections in this table Refer to Installation Instructions for access to Installer Set Up procedures Page 32
4. SCHED HOLD CLOCK SCREEN MORE Page 23 Advanced Settings Your thermostat has many advanced settings that can be used to match your desired use of this important tool These items have been set by the installer during the installer set up process how ever use the following information to customize the settings for your use Use the following steps and the User Set Up table on pages 25 through 27 to customize your thermostat operation 1 Press and release the SYSTEM key 2 Press and hold the center blank key for approximately five seconds until the screen changes TUE il inside IZ Set To I ES 1 cic Following Schedule TO 3 Release the key when the thermostat display matches the display below Advanced Settings Continued 4 Refer to the figure below to see how the thermostat buttons are used to make selections 5 Refer to the table on the following pages to make proper set up choices for your application 6 When all set up selections have been made press the DONE key to save your settings The thermostat display will return to the main screen NOTE Thermostats manufactured beginning March 2006 in clude program selection to accommodate 2007 daylight savings calendar Advanced setting number 330 must be changed to op tion 2 at the beginning of 2007 in areas which use the revised DST calendar in the US and Canada
5. TUE INSIDE SHOWS CURRENT SHOWS CURRENT DAY OF THE WEEK INSIDE TEMPERATURE FAN SET TO SHOWS FAN SHOWS CURRENT SETTING TEMPERATURE SETTING De a Ly Following Schedule HEAT Outside W LL MNT par a LTI _ l Sci B n CLOCK S i ad SYSTEM SHOWS CURRENT SYSTEM OUTSIDE SHOWS CURRENT OUTSIDE TEMPERATURE IF SYSTEM INCLUDES OUTSIDE TEMPERATURE FOLLOWING POSITION TIME SCHEDULE SHOWS CURRENT SENSOR INDICATES THAT TIME OF DAY HOLD THERMOSTAT IS TIME REMAINING OR FOLLOWING THE NUMBER OF VACATION PROGRAMMED DAYS REMAINING SCHEDULE Page 4 System Settings FAN T Set T 4 AUTO vj Following SYSTEM Schedule HEAT Outside WLI au pa a ILI l 1 SCHED CLOCK SCREEN kal i i all MORE PRESS SYSTEM SELECT SETTING OF HEAT OFF COOL OR EM HEAT HEAT PUMP SYSTEMS ONLY SYSTEM SETTINGS The system setting options vary based on your heating and or cooling type HEAT Thermostat controls heating system OFF Both heating and cooling systems are off COOL Thermostat controls cooling system AUTO The thermostat switches the system from the heat ing mode to the cooling mode based on temperature EM HEAT Heat pump systems only Thermostat controls emergency heat and auxiliary heat if needed Heat pump com pressor is not operational Pag
6. top MON TUE WED THU FRI SAT SUN OK TO PICK MULTIPLE DAYS CANCEL LLLI Page 7 Program Your Heating and Cooling Schedule Cont 3 Select any combination of days to edit You may select multiple days These should be days that you wish to follow the same schedule Check marks appear next to the days that are selected After the first day is selected the SCHED ULE screen returns to the display Press the WAKE key The WAKE key will flash to show it is selected Press the UP and DOWN keys to modify time and heat and cool temperatures shown on the screen 6 Press LEAVE key and repeat step 5 7 Press RETURN key and repeat step 5 8 Press SLEEP key and repeat step 5 A 1 c1 1 v Y re f vweo vmu V FRI sar SUN OK TO PICK MULTIPLE DAYS f A CN I IL CIRC wv PERIOD A 1 171171 n i CL ILI wi DONE WAKE SLEEP L LEAVE indi CANCEL Page 8 Program Your Heating and Cooling Schedule Cont NOTE The FAN setting can be programmed for ON AUTO or CIRC for each period selected See following page for more in formation about fan setting options 9 Press DONE key when finished Saving changes screen appears to indicate that schedule changes are being saved to the days selected 10 Repeat steps 1 through 9 to se
7. ADVANCE TO NEXT USER SET UP CURRENT SETTING USER SET UP NUMBER CHANGE THE CURRENT SETTING PRESS TOEXIT 3 INSTALLER SET UP RETURN TO PREVIOUS USER SET UP Page 25 Advanced Settings Continued User Set Up No Set Up Name 0120 Date Year first 0130 0140 Date Month Date Year last 0150 Date Day 0160 0320 Schedule Op tions Temperature Display Scale Selection Description Select first two digits of current calendar year 20 for 2007 etc Select last two digits of current calendar year 07 for 2007 etc Options 01 to 99 available Select number that represents current calendar month Options 1 through 12 Select number that represents current calendar date Options 1 through 31 Select the type of scheduling that will be used Options 0 non programmable thermostat 4 fully programmable thermostat with 7 day scheduling Select the temperature display to be used Options 0 Fahrenheit 1 Celsius table continued on next page Page 26 Advanced Settings Continued User Set Up No Set Up Name Selection Description Options 0 Off Thermostat time is not automatically adjusted for DST 1 On Thermostat time is auto matically adjusted for Daylight Savings in the Fall and Sprin 0330 Daylight Sav fusing the pre 2007 DST calen ings dar 2 On Thermostat time is auto matically adjusted for Daylight Savings in Fall and Spring us
8. BATTERIES 3 4 Align the terminal screw blocks with the pins the back of the thermostat 5 Push the thermostat straight onto the wallplate until it snaps into place WALLPLATE PINS ON BACK OF THERMOSTAT TERMINAL SCREW BLOCK Page 19 Reminder Timers The reminder timers notify you when it is time to change the fur nace filter humidifier pad or ultraviolet lamp When one of the set timers expires a reset key appears on the home screen Reset Timers 1 Change reminder appears on the screen when the timer expires 2 Press the RESET key to restart the timer If more than one timer expires at the same time press the RESET key until all timers have been reset MON TUE WED THU FAN CHANGE a Setto AUTO Inside Fm 1 are Ot oI Following SYSTEM RESE Schedule HEAT 111 SCHED HOLD CLOCK SCREEN MORE View or Reset Timer Settings Before They Expire 1 Press the MORE key until the timer you want to modify appears on the screen Press the EDIT key to change the Timer Reload Value Use the UP or DOWN arrow keys to change the number of run time days See the Advanced Settings section step 8 through 10 for more information 3 Press the DONE key to return to the selected timer 4 Press the RESET key to reset the timer to the Timer Re load Value Press DONE or CANCEL key to return to home screen Page 20 2 1 Bui
9. LENNOX GUIDE 2007 Lennox Industries Inc Dallas Texas USA ComfortSense 5000 Series Models L5711U and L5732U Programmable Touch Screen Thermostats AIMPORTANT Read and save these instructions 506067 01 2 2008 Table of Contents Thermostat Features Page 2 Thermostat Display Page 3 System 5 5 Fan Settings 00 ccc ccc cece eens Page 6 Program Your Heating and Cooling Schedule Page 7 Fan Schedule Page 10 Cancel a Schedule Page 11 Set the Time Page 12 Override Temperature Setting Temporary Hold Page 13 Override Temperature Setting Permanent Hold Page 14 Override Temperature Setting Vacation Hold Page 15 Temperature Recovery Feature Page 16 Clean the Thermostat Screen Page 17 Battery Replacement Page 18 Reminder Page 20 Built In Compressor Protection Page 21 Outdoor Temperature Page 22 Advanced Heat Pump Features Page 22 Screen LOCK 22 00 ccc eee eee ees Page 23 Advanced Settings Page 25 Troubleshooting Tips Page 29 Thermostat Fea
10. e 5 PRESS FAN SELECT SETTING ON AUTO OR CIRC PAN inside Set To Bc 4 AUTO D JI SYSTEM Sehedulg HEAT 3e W LL 21061 Lys i Ca FAN SETTINGS ON Fanruns continuously Use this setting for improved air circulation or for more efficient central air cleaning AUTO Fan runs only when heating or cooling system is on CIRC Fanruns randomly approximately 35 of the time Use this setting for improved air circulation or for more efficient central air cleaning when you do not want the fan to run continu ously Page 6 Program Your Heating and Cooling Schedule NOTE The thermostat includes a battery which makes it pos sible for you to remove the thermostat from the wallplate during program See page 19 Your thermostat can control up to four different schedule periods per day Wake Time when you awaken and want your home at a comfortable temperature Leave Time when you leave the home and prefer an ener gy saving temperature setting Return Time when you return home and want your home to return to a more comfortable temperature setting Sleep Time when you are asleep and prefer an energy saving temperature setting NOTE Schedule times are in 15 minute intervals EDIT THE SCHEDULE 1 Press the SCHED key The SCHEDULE screen will be dis played 2 Press the EDIT key The screen will change to display the days of the week across the
11. e compressor and or back up heat lockout may be based on the outside temperature CLOCK Page 22 You can fully or partially lock the keys on the touch screen See the Advanced Settings section for more information on this fea ture If the thermostat displays a Screen Locked message your thermostat screen is either fully or partially locked Partially Locked Screen When partially locked all touch screen keys are locked except the temperature up and down arrow keys and the SYSTEM key access to the user set up options The Screen Locked message is displayed for 5 to 7 seconds each time the user attempts to press a key that is locked When the screen is partially locked you will be able to adjust the temperature setting up or down but schedule settings will not be accessible The temporary temperature change lasts until the next scheduled period Refer to Temporary Temperature Over ride section To cancel the temporary temperature override and return to the programmed schedule press the CANCEL key Fully Locked Screen When the screen is fully locked you will still be allowed to access the user set up options through the SYSTEM key however all other touch screen keys are locked and are not functional The Screen Locked message is displayed continuously TUE SCREEN LOCKED AUTO SYSTE HEAT Inside FI ict PM ul Following Schedule
12. e current time setting will be dis played as shown below 2 Use the arrows to set the correct time 3 Press DONE key IMPORTANT The current day of the week should be displayed correctly on this screen If not refer to the Advanced Settings section to correct the day of the week display W 1 j ILI 1 DONE CANCEL Page 12 Override Temperature Setting Temporary Hold You may use the temporary hold function to override the pro grammed temperature setting until the next scheduled period or until a particular time that you wish 1 Press the UP or DOWN arrow next to the temperature display to adjust the temperature as desired NOTE Hold Temperature Until appears on the screen The currently programmed start time of the next scheduled period also appears as does an additional set of arrows 2 Use the UP and Down arrows next to the displayed time to set the time that you wish for the thermostat to resume the schedule NOTE The time arrows are displayed for approximately seven seconds Press the screen where the hold temperature time is shown to allow the arrows to reappear 3 Press CANCEL or SCHED key to cancel temperature hold and resume schedule Following Schedule appears on the screen to indicate that the temporary hold has ended Inside UNI Set To 7 4 7 JL wj SYSTEM Hold Temperature SCHED HOLD CLOCK SCREEN CANCEL Page 13
13. en where the number of days are shown to allow the arrows to reappear 4 Press the CANCEL key to cancel the vacation override early NOTE When the programmed vacation hold expires the screen displays Following Schedule to indicate that the hold has ended THU Inside mr Set To Z a D Lie Hold Temperature 1 1 CLOCK SCREEN CANCEL Page 15 Temperature Recovery Feature Your thermostat is equipped with a feature that accommodates recovery time to ensure your comfort Recovery time is the time that it takes your heating and cooling equipment to recover from energy saving settings programmed during away or asleep periods Recovery time depends on local weather your schedule the contruction of your home and your heating and or cooling equipment Your thermostat tracks the time that it takes for your system to reach your desired settings recovery period This allows the thermostat to accommodate this recovery period and to ensure your comfort at the programmed wake and return settings For example your WAKE period is programmed for 6 00 a m and 70 F The thermostat activates heating in advance of 6 00 a m to ensure that your desired comfort setting of 70 F is reached by the time you awake A recovery notice is displayed when the system is operating be fore the scheduled time FAN Ee Set c Y Li AUTO L 1 M Cw system Schedule RECOVERY
14. ht MORE key remains blank unless the Furnace of the screen Filter Change Reminder has been turned on key is blank See User Set Up Number 0500 blank installed as marked on the thermostat Temperature Check that temperature settings are prance donot Heating 40 F to 90 F 4 5 C to 32 C Cooling 50 F to 99 F 10 C to 37 C Heating system Press the SYSTEM key to set to heat does not turn n Check the heat temperature setting to be sure it is set above the room temperature and Heat On is displayed solidly on the screen Make sure circuit breaker is not tripped Check the power switch at the heating and or cooling system to make sure it is on Check the furnace door to make sure it is closed securely Wait five minutes for the heating system to respond Ifthe problem has not been identified and corrected contact a qualified service techni cian table continued on next page Page 29 Troubleshooting Tips a d Cooling system Press SYSTEM key to set to Cool does not turn Check the cool temperature setting to be sure it is set below the room temperature and Cool is displayed solidly on the screen Make sure circuit breaker is not tripped Check the power switch at the heating and or cooling system to make sure it is on Check the furnace door to make sure it is closed securely Wait five minutes for the cooling system to respond Ifthe p
15. ing 2007 DST calendar for US and portions of Canada Select option for filter change re minder timer Options 0 Reminder is off 1 10 run time days 0500 abad 2 30 run time days 3 60 run time days 4 90 run time days 5 120 run time days 6 365 run time days Select option for humidifier pad replacement reminder timer Op Humidifier Pad tions 0510 Replacement 0 Reminder is off Reminder 1 90 run time days 2 180 run time days 3 365 run time days table continued on next page Page 27 Advanced Settings Continued User Set Up No Set Up Name Selection Description Select option for UV lamp re UV Lamp Re placement reminder timer Op 0520 placement Re tions minder 0 Reminder is off 1 365 run time days Select option for number of scheduling periods Options 0540 2 Two periods wake and sleep ods 4 Four periods wake leave re turn sleep Select clock format Options 0640 Clock Format 12 12 hour clock 24 24 hour clock Select screen lockout Options 0 All keys are functional screen is unlocked 1 Screen partially locked only temp up and down keys and 0670 Screen Lock ability to enter installer set up Out mode and modify set up selec tions are enabled 2 Screen fully locked only ability to enter installer set up mode and modify set up selec tions are enabled Page 28 Troubleshooting Tips Key to the rig
16. lt In Compressor Protection The thermostat provides built in compressor protection mini mum off timer that prevents the compressor from restarting too early after a shutdown The minimum off timer is activated after the compressor shuts off If there is a demand for compressor operation during the delay the thermostat displays the WAIT message When the minimum off delay expires COOL ON or HEAT ON in heat pump applications is displayed solidly on the screen and the compressor and fan are allowed to operate to meet the de mand TUE FAN wo 3u A AUTO Inside LI 1 J Wait Cool Lv C Following SYSTEM Schedule HEAT 11 IJI ED SCHED m CLOCK screen MORE Page 21 Outdoor Temperature If an optional outdoor temperature sensor has been installed with your thermostat the outdoor temperature is displayed in the low er right corner of the home screen If the temperature is not displayed and an outdoor temperature sensor has been installed press the MORE key until the outside temperature is displayed FAN AUTO inside Set Dc 4 ax SYSTEM Following Schedule Outside EPIS cS fs B MORE Advanced Heat Pump Features Select Models Some thermostat models when used in heat pump systems which include an optional outdoor temperature sensor provide additional features In these applications th
17. med operation when the next schedule period begins THU Inside E Set To cr IS Following Schedule Wh SCHED HOLD CLOCK SCREEN Page 10 Cancel a Schedule Period You may wish to cancel a period to match your lifestyle For example if someone is always home during the day on Tues day you can cancel the LEAVE and RETURN periods to have the thermostat hold the WAKE temperature until the SLEEP period is reached 1 Press the SCHED key The SCHEDULE screen will be displayed 2 Press the EDIT key The screen will change to display the days of the week across the top 3 Select the day or days of the week that are affected by the schedule change 4 Press the schedule period you want to cancel WAKE LEAVE RETURN or SLEEP Once selected the period will flash to show it is selected 5 Press the CANCEL key The time temperature s and fan settings will all dissappear from the screen The bar above the selected period is removed to indicate that the se lected period was cancelled 6 Press DONE key NOTE A schedule period may be reinstated at any time by entering the schedule edit screen selecting the period and pressing the arrow keys to set the desired time and tempera tures vef WED THU FRI SAT CFan OK TO PICK MULTIPLE DAYS w DONE WAKE LEAVE mm SLEEP Set the Time 1 Press the CLOCK key Th
18. roblem has not been identified and corrected contact a qualified service techni cian Cannot set Sys Check Installer Set Up Number 170 Heating tem setting to and or Cooling Type Make sure the setting Cool matches the installed heating and or cooling system Heat On is not Set the System setting to Heat and set the displayed on temperature setting above the room tempera the screen ture If Heat On is shown solidly in the dis play but the heating system does not turn on see Heating system does not turn on suggestions on the previous page table continued on next page Page 30 Troubleshooting Tips Thone O Cool On is not displayed on the screen Wait is dis played on the screen Fan does not turn on in a call for heat elec tric furnaces only Both heating and cooling systems are op erating at the same time Heating is run ning in Cool mode Set the System setting to Cool and set the temperature setting below the room tempera ture If Cool On is shown solidly in the dis play but the cooling system does not turn on see Cooling system does not turn on suggestions at the top of this page Compressor minimum off timer is activated Wait up to five minutes for the compressor to turn on Check Installer Set Up 0180 Fan Control in Heating Make sure Electric Heat option is selected Check Installer Set Up Number 170 Heating and or Cooling Type
19. t a program schedule for the remaining days of the week Example If Mon Fri was selected first repeat steps 1 through 9 to program Sat and Sun NOTE To exit the schedule without saving changes press CANCEL key at any time MON TUE SAVING CHANGES Page 9 Fan Schedule The FAN setting can be programmed for ON AUTO or CIRC for each period selected ON Fanruns continuously Use this setting for improved air circulation or for more efficient central air cleaning AUTO Fan runs only when heating or cooling system is on CIRC Fanruns randomly approximately 35 of the time Use this setting for improved air circulation or for more efficient central air cleaning when you do not want the fan to run continu ously Fan Status Display on Home Screen lf the fan program is scheduled AUTO is displayed as the fan setting along with the particular fan setting that has been programmed For example if during the WAKE period the Fan has been set to AUTO then AUTO is shown as the fan setting However if during the WAKE period the Fan has been set to ON both AUTO and ON are dis played AUTO indicates that the fan has been scheduled and ON indicates that the fan has been scheduled to be ON Manually Override Scheduled Fan Setting lf the fan setting is scheduled press the FAN key then press the desired fan set ting to manually override the scheduled fan setting Fan opera tion will return to the program
20. tures e Large clear display with backlight shows the current tem perature the current temperature setting and the time even in the dark e Menu driven programming makes set up effortless e Touch screen interaction e Real time clock keeps time during power failures and auto matically converts to daylight savings time e Saving Changes notification assures you that changes have been saved e Change check reminders let you know when it is time to replace filters UV lamps batteries etc Page 2 Override options allow you to easily override the pro grammed schedule Same schedule programming allows you to program a schedule for several days at once No need to copy Armchair programming allows you to remove the thermo stat from the wall while you program your schedules Thermostat Display FAN SYSTEM UP ARROW SELECT AUTO SELECT EMERGENCY HEAT RAISES ON OR CIRC HEAT OFF OR COOL TEMPERATURE SETTING ll md Set nside D oc 7 W r DOWN ARROW Falowing LOWERS Schedue TEMPERATURE HEAT Outside SETTING Ic AM pam MORE SHOWS FURNACE FILTER UV LIGHT OR HUMIDIFIER SCHED HOLD CLOCK SCHED CLOCK SELECT TO USED TO SET ENTER SCHED TIME FORWARD ULE MODE OR BACK PAD CHANGE REMINDER HOLD SCREEN SETS A PERMANENT HOLD AND LOCKS TOUCH SCREEN ACTIVATES VACATION HOLD FOR CLEANING Page 3 Thermostat Display Continued
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