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2007 Lennox Industries Inc.

Dallas, Texas, USA

ComfortSense

5000 Series Models L5711U

and L5732U Programmable Touch Screen

Thermostats

OWNER’S

GUIDE

IMPORTANT

Read and save these instructions.

506067−01
2/2008

Содержание ComfortSense L5711U

Страница 1: ...07 Lennox Industries Inc Dallas Texas USA ComfortSenset 5000 Series Models L5711U and L5732U Programmable Touch Screen Thermostats OWNER S GUIDE IMPORTANT Read and save these instructions 506067 01 2 2008 ...

Страница 2: ...8 Reminder Timers Page 20 Built In Compressor Protection Page 21 Outdoor Temperature Page 22 Advanced Heat Pump Features Page 22 Screen Lock Page 23 Advanced Settings Page 25 Troubleshooting Tips Page 29 Thermostat Features S Large clear display with backlight shows the current tem perature the current temperature setting and the time even in the dark S Menu driven programming makes set up effortl...

Страница 3: ...u program your schedules Thermostat Display SYSTEM SELECT EMERGENCY HEAT HEAT OFF OR COOL FAN SELECT AUTO ON OR CIRC SCHED SELECT TO ENTER SCHED ULE MODE HOLD SETS A PERMANENT HOLD AND ACTIVATES VACATION HOLD CLOCK USED TO SET TIME FORWARD OR BACK MORE SHOWS FURNACE FILTER UV LIGHT OR HUMIDIFIER PAD CHANGE REMINDER SCREEN LOCKS TOUCH SCREEN FOR CLEANING DOWN ARROW LOWERS TEMPERATURE SETTING UP ARR...

Страница 4: ...TEMPERATURE SETTING SYSTEM SHOWS CURRENT SYSTEM POSITION TIME SHOWS CURRENT TIME OF DAY HOLD TIME REMAINING OR NUMBER OF VACATION DAYS REMAINING FOLLOWING SCHEDULE INDICATES THAT THERMOSTAT IS FOLLOWING THE PROGRAMMED SCHEDULE AM FAN S S M Y TE HEAT Se o t T TUE OUTSIDE SHOWS CURRENT OUTSIDE TEMPERATURE IF SYSTEM INCLUDES OUTSIDE TEMPERATURE SENSOR AUTO ...

Страница 5: ...tem 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...

Страница 6: ... SETTINGS ON Fan runs 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 Fan runs 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 ...

Страница 7: ...eave 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 ...

Страница 8: ... day is selected the SCHED ULE screen returns to the display 4 Press the WAKE key The WAKE key will flash to show it is selected 5 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 MON TUE WED THU FRI SUN AM FAN CIRC CANCEL PERIOD HEAT COOL OK TO P...

Страница 9: ...s 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 set 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 WED THU FRI S...

Страница 10: ...ayed 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 O...

Страница 11: ...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 schedu...

Страница 12: ... 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 DONE TUE AM CANCEL ...

Страница 13: ... 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 temperatur...

Страница 14: ... 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 TUE AM FAN AUTO SYSTEM HEAT Inside Set To Permanent Hold SCHED HOLD CLOCK SCREEN CANCEL ...

Страница 15: ...erride 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 screen where the number of days are shown to allow the arrows to reappear 4 Pres...

Страница 16: ...ostat 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 ...

Страница 17: ...amp 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 OK TO CLEAN SCREEN DONE ...

Страница 18: ...d 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 2 Remove the thermostat from the wallplate by pulling straight out WALL ...

Страница 19: ...A al kaline batteries as marked on the thermostat BACK OF THERMOSTAT BATTERIES 3 4 Align the terminal screw blocks with the pins on the back of the thermostat 5 Push the thermostat straight onto the wallplate until it snaps into place PINS ON BACK OF THERMOSTAT WALLPLATE TERMINAL SCREW BLOCK ...

Страница 20: ...t SCHED HOLD CLOCK SCREEN MORE PM FAN AUTO SYSTEM HEAT RESET Following Schedule CHANGE FILTER Set to Inside MON SUN TUE WED THU FRI SAT View or Reset Timer Settings Before They Expire 1 Press the MORE key until the timer you want to modify appears on the screen 2 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...

Страница 21: ...fter 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 SYSTEM UE T AM PM SCHED HOLD CLOCK SCREEN MORE FAN AUTO HEAT Following Schedule W...

Страница 22: ... has been installed press the MORE key until the outside temperature is displayed AM Se o t T Following Schedule SCHED HOLD CLOCK SCREEN MORE Inside TUE Outside SYSTEM FAN AUTO HEAT 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 the compressor and ...

Страница 23: ... 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 Scre...

Страница 24: ... 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 CANCEL TUE PM SYSTEM EM HEAT CHANGE FILTER UV LAMP HUMIDIFIER PAD Following Schedule Inside Set To OFF 3 Release the key w...

Страница 25: ...our 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 DONE USER SET UP NUMBER CURRENT SETTING ADVANCE TO NEXT USER S...

Страница 26: ...lable 0140 Date Month Select number that represents current calendar month Options 1 through 12 0150 Date Day Select number that represents current calendar date Options 1 through 31 0160 Schedule Op tions Select the type of scheduling that will be used Options 0 non programmable thermostat 4 fully programmable thermostat with 7 day scheduling 0320 Temperature Display Scale Select the temperature ...

Страница 27: ...ly adjusted for Daylight Savings in Fall and Spring using 2007 DST calendar for US and portions of Canada 0500 Filter Change Reminder Select option for filter change re minder timer Options 0 Reminder is off 1 10 run time days 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 0510 Humidifier Pad Replacement Reminder Select option for humidifier pad re...

Страница 28: ...tions 2 Two periods wake and sleep 4 Four periods wake leave re turn sleep 0640 Clock Format Select clock format Options 12 12 hour clock 24 24 hour clock 0670 Screen Lock Out Select screen lockout Options 0 All keys are functional screen is unlocked 1 Screen partially locked only temp up and down keys and ability to enter installer set up mode and modify set up selec tions are enabled 2 Screen fu...

Страница 29: ...o 32 C Cooling 50 F to 99 F 10 C to 37 C Heating system does not turn on Press the SYSTEM key to set to heat 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...

Страница 30: ...ve minutes for the cooling system to respond If the problem has not been identified and corrected contact a qualified service techni cian Cannot set Sys tem setting to Cool Check Installer Set Up Number 170 Heating and or Cooling Type Make sure the setting matches the installed heating and or cooling system Heat On is not displayed on the screen Set the System setting to Heat and set the temperatu...

Страница 31: ...ressor to turn on Fan does not turn on in a call for heat elec tric furnaces only Check Installer Set Up 0180 Fan Control in Heating Make sure Electric Heat option is selected Both heating and cooling systems are op erating at the same time Check Installer Set Up Number 170 Heating and or Cooling Type Make sure the setting matches the installed heating and or cooling system Check to ensure that ba...

Страница 32: ...ing Type Make sure the setting matches the installed heating and or cooling system Red LED is lit in the upper right corner of the thermostat when the sys tem monitor de tects a possible problem 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 Inst...

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