2005 Lennox Industries Inc. Dallas, Texas, USA OWNER’S GUIDE Elite® Series Programmable Touch Screen Thermostats IMPORTANT Read and save these instructions.
Table of Contents Thermostat Features Thermostat Display System Settings Fan Settings Program Your Heating and Cooling Schedule Fan Schedule Cancel a Schedule Period Set the Time Override Temperature Setting −− Temporary Hold Override Temperature Setting −− Permanent Hold Override Temperature Setting −− Vacation Hold Temperature Recovery Feature Clean the Thermostat Screen Battery Replacement Reminder Timers Built−In Compressor Protection Outdoor Temperature Advanced Heat Pump Features Screen Lock Advanced
Thermostat Features D Large, clear display with backlight shows the current temperature, the current temperature setting and the time −− even in the dark. D Menu−driven programming makes set−up effortless. D Touch screen interaction. D Real−time clock keeps time during power failures and automatically converts to daylight savings time. D Saving Changes" notification assures you that changes have been saved.
Thermostat Display UP ARROW RAISES TEMPERATURE SETTING SYSTEM SELECT EMERGENCY HEAT, HEAT, OFF OR COOL FAN SELECT AUTO, ON OR CIRC DOWN ARROW LOWERS TEMPERATURE SETTING TUE FAN Set To Inside AUTO Following Schedule SYSTEM Outside HEAT AM SCHED SCHED SELECT TO ENTER SCHEDULE MODE HOLD CLOCK SCREEN CLOCK USED TO SET THE TIME FORWARD OR BACK MORE MORE SHOWS FURNACE FILTER, UV LIGHT OR HUMIDIFIER PAD CHANGE REMINDER SCREEN LOCKS TOUCH SCREEN FOR CLEANING HOLD SETS A PERMANENT HOLD AND ACTIVA
Thermostat Display (Continued) INSIDE SHOWS CURRENT INSIDE TEMPERATURE TUE SHOWS CURRENT DAY OF THE WEEK SET TO SHOWS CURRENT TEMPERATURE SETTING FAN SHOWS FAN SETTING TUE FAN Set To Inside AUTO Following Schedule SYSTEM Outside HEAT AM SCHED SYSTEM SHOWS CURRENT SYSTEM POSITION HOLD CLOCK SCREEN MORE OUTSIDE SHOWS CURRENT OUTSIDE TEMPERATURE (If system includes outside temperature sensor) TIME SHOWS CURRENT TIME OF DAY, HOLD TIME REMAINING OR NUMBER OF VACATION DAYS REMAINING Page 5 FO
System Settings TUE FAN Set To Inside AUTO Following Schedule SYSTEM Outside HEAT AM SCHED HOLD CLOCK SCREEN 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.
Fan Settings FAN 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 continuously. PRESS FAN. SELECT SETTING: ON, AUTO OR CIRC.
Program Your Heating and Cooling Schedule NOTE − The thermostat includes a battery which makes it possible 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 energy−saving temperature setting.
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 SCHEDULE 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.
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 information 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 set a program schedule for the remaining days of the week.
Fan Schedule The FAN setting can be programmed for ON, AUTO or CIRC for each period selected: 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 continuously.
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 Tuesday, 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.
Set the Time 1 − Press the CLOCK key. The current time setting will be displayed 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.
Override Temperature Setting −− Temporary Hold You may use the temporary hold function to override the programmed 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.
Override Temperature Setting −− Permanent Hold The permanent hold function overrides the programmed temperature setting until the permanent hold is cancelled. 1 − Press the HOLD key. NOTE − Permanent Hold" appears on the screen under the current 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 resume schedule. Following Schedule" appears on the screen to indicate that the hold has ended.
Override Temperature Setting −− Vacation Hold You may use the vacation hold function to override the programmed 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.
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.
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.
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 power 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 batteries.
Battery Replacement (Continued) 3 − Remove the old batteries and insert three fresh AAA alkaline 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.
Reminder Timers The reminder timers notify you when it is time to change the furnace 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.
Built−In Compressor Protection The thermostat provides built−in compressor protection (minimum−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.
Outdoor Temperature If an optional outdoor temperature sensor has been installed with your thermostat, the outdoor temperature is displayed in the lower 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.
Screen Lock You can fully or partially lock the keys on the touch screen. See the Advanced Settings section for more information on this feature. If the thermostat displays a Screen Locked" message, your thermostat screen is either fully or partially locked.
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; however, 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.
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.
Advanced Settings (Continued) User Set−Up Number Set−Up Name Selection Description 0120 Date (Year/ first) Select first two digits of current calendar year (20 for 2005, etc.) 0130 Date (Year/ last) Select last two digits of current calendar year (05 for 2005, etc.) Options: 01 to 99 available. 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.
Advanced Settings (Continued) User Set−Up Number Set−Up Name Selection Description 0500 Select option for filter change reminder timer timer. Options: 0 − Reminder is off; Filter 1 − 10 run time days; Change 2 − 30 run time days; Reminder 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 replacement reminder timer.
Advanced Settings (Continued) User Set−Up Number 0670 Set−Up Name Screen Lock−Out Selection Description Select screen lockout. Options: 0 − All keys are functional. Screen is unlocked; 1 − Screen partially locked −− only p up p and down keys y and abilityy to temp. enter t installer i t ll set−up t mode d and d modify set−up selections are enabled; 2 − Screen fully locked −− only ability to enter installer set−up mode and modify set−up selections are enabled.
Troubleshooting Tips If . . . Then . . . Key to the right of the screen key is blank. MORE key remains blank unless the Furnace Filter Change Reminder has been turned on. See User Set−Up Number 0500. Display is blank. Check that fresh AAA alkaline batteries are installed as marked on the thermostat. Temperature settings do not change. Check that temperature settings are: Heating system does not turn on. Set the system to heat by pressing the SYSTEM key. Heating 40°F to 90°F (4.5°C to 32°C).
Troubleshooting Tips (Continued) If . . . Then . . . Cooling system does not turn on. Set the system to Cool by pressing the SYSTEM key. Check the cool temperature setting to be sure it is set below the room temperature and Cool On" is displayed solidly on the screen. Check the circuit breaker to make sure it 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.
Troubleshooting Tips (Continued) If . . . Then . . . Wait" is displayed on the screen. Compressor minimum−off timer is activated. Wait up to five minutes for the compressor to turn on. Fan does not turn on Check Installer Set−Up 0180: Fan Control in in a call for heat Heating*. Make sure Electric Heat option is (electric furnaces selected. only) Both heating and cooling systems are operating at the same time. Check Installer Set−Up Number 170: Heating and/or Cooling Type*.
