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Lennox Commercial Touchscreen Thermostat Owner's Manual

Commercial touchscreen thermostat
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505,104M
12/2005
Commercial
Touchscreen Thermostat
Commercial
©2005 Lennox Industries, Inc.
Dallas, Texas, USA
OWNER'S GUIDE

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  • Page 1 505,104M 12/2005 Commercial ©2005 Lennox Industries, Inc. Dallas, Texas, USA Touchscreen Thermostat OWNER’S GUIDE Commercial...
  • Page 2: Table Of Contents

    CONTENTS Features ........................Main Screen Selections ....................Programming Heating and Cooling Schedule ............Operating the Thermostat ..................Replacing Batteries ....................Cleaning Thermostat Screen ..................Reading Outdoor Temperature ................... Reading Remote Indoor Temperature ................ 19 Advanced Settings ..................... Frequently Asked Questions and Answers ..............30 IMPORTANT The thermostat has a touch screen interface.
  • Page 3: Features

    FEATURES S Large, Clear Display with Backlighting-current temperature, set temperature and time are easy to read and all are displayed on the main screen. S Menu Driven Programming-Provides guidance through the scheduling process, showing only necessary information and choices on each screen. S Ability to Select Multiple Days-allows easy customizing for unique schedules.
  • Page 4: Main Screen Selections

    Main Screen Selections UP ARROW SELECTS RAISES Inside ON/AUTO TEMPERATURE AUTO SETTING SYSTEM DOWN ARROW SYSTEM SELECTS Following LOWERS HEAT/OFF/ Schedule HEAT TEMPERATURE COOL/AUTO SETTING OVERRIDE SCHEDULE HOLIDAY CLOCK SCREEN OVERRIDE SET TEMPORARY OVERRIDE SCHEDULE SCREEN ENTERS LOCKS OUT THE SCREEN TO SCHEDULING MODE ALLOW FOR CLEANING HOLIDAY...
  • Page 5 Main Screen Display INSIDE TEMPERATURE SHOWS THE CURRENT INSIDE TEMPERATURE SHOWS CURRENT SET TO DAY OF THE WEEK TEMPERATURE SHOWS THE FA N SHOWS FAN CURRENT Inside SETTING AUTO TEMPERATURE SYSTEM SYSTEM SHOWS CURRENT Following Schedule SYSTEM POSITION HEAT FOLLOWING SCHEDULE SHOWS THE TIME...
  • Page 6: Editing Schedule

    Programming Heating and Cooling Schedule The thermostat can control up to four different schedule periods per day: OCC 1-Work arrival time. Period to keep space at a comfortable temperature. UNOCC1-Work exit time. Period to keep space at an energy-saving temperature. OCC 2−Second occupied period.
  • Page 7 4. Press OCC 1. Once pressed, OCC 1 flashes to show it is selected. 5. Press Up and Down to modify time and temperatures from this screen. OK TO PICK MULTIPLE DAYS NOTE: Fan settings for the selected period can be programmed for HEAT AUTO ON or AUTO.
  • Page 8 9. When complete, press DONE. SAVING CHANGES appears on the screen to indicate changes are being saved to the day(s) modified. NOTE: To schedule the remaining days of the week, repeat steps 1-9. SAVING CHANGES 10. To exit schedule without saving changes, press CANCEL any time.
  • Page 9 5. Press CANCEL PERIOD. The time, temperature(s) and fan setting disappear. The bar above the OK TO PICK MULTIPLE DAYS selected period is removed, indicating the scheduled period HEAT was cancelled. NOTE: To reinstate a schedule period, press an arrow to set desired time and temperatures.
  • Page 10: Operating The Thermostat

    Setting Time 1. Press CLOCK. 2. Use arrows to set current time. 3. Press DONE. IMPORTANT The current day of the week should already be set correctly. If not, see the Advanced Settings section to set the day. Operating the Thermostat CANCEL DONE Setting Fan and System...
  • Page 11 SETTING SYSTEM The System selections vary based on the HVAC system type. HEAT - thermostat controls the heating system. OFF - both heating and cooling systems are off. COOL - thermostat controls the cooling system. - thermostat controls both the heating and cooling systems based on temperature. AUTO Setting Temperature Overrides There are three temperature override options:...
  • Page 12 2. Press Up or Down arrow next to the hold time to set desired time for the thermostat to resume schedule. Inside NOTE: The installer setup can limit AUTO the length of time for an SYSTEM override to 1, 2, 3, or 4 hours beyond the current HEAT Hold Temperature...
  • Page 13 HOLIDAY Changes temperature setting for a designated number of days. 1. Press HOLIDAY. The screen shows “Hold Temperature Until 1 DAYS”. Inside Set To 2. Press Up or Down arrow to change AUTO the number of days desired for the SYSTEM thermostat to override the schedule.
  • Page 14: Fan Schedule

    Fan Schedule Press FAN while in the SCHEDULE screen to program the system fan. Choices available from the SCHEDULE screen: AUTO (default position)-fan runs with equipment. Programmable for all SCHEDULE periods (OCC 1, UNOCC1, OCC 2 and UNOCC2). -fan runs continuously (programmable for all SCHEDULE periods). Fan Status Displayed on Main Screen If the fan program is scheduled, the scheduled mode (AUTO or ON) appears.
  • Page 15: Replacing Batteries

    Replacing Batteries Not all thermostat models require batteries. If the thermostat has batteries, a low battery warning flashes on the main screen for approximately 30 days. NOTES: ¿ If batteries are not replaced when the Low Battery warning is flashing, the LO batt screen displays continuously and the thermostat stops operating until batteries are replaced.
  • Page 16 Replace the batteries as follows: 1. Remove the thermostat WALL from the base by pulling it straight out. 2. Install three new AAA alkaline batteries with proper polarization. NOTES: ¿ Always use AAA alkaline batteries. All programming (Schedule, Date and Time) infor- mation is retained during battery replacement.
  • Page 17 3. Place the thermostat back on its base by aligning the terminal screw blocks with the pins on the back of the thermostat. 4. Push the thermostat straight onto the base. BATTERIES (3) M19918 62-3071¿2...
  • Page 18: Cleaning Thermostat Screen

    Cleaning Thermostat Screen The thermostat has a touch screen interface. Follow these steps to clean the screen without making thermostat changes: 1. Press SCREEN. Thermostat locks out the keypad for 30 seconds to allow for cleaning. IMPORTANT OK TO Do not spray any liquid directly on CLEAN the screen.
  • Page 19: Reading Remote Indoor Temperature

    Reading Remote Indoor Temperature If connected to an installed remote indoor temperature sensor, the thermostat displays the indoor temperature from the OK TO PICK MULTIPLE DAYS SCREEN LOCKED remote sensor(s). Inside AUTO NOTE: When connected to an installed Heat On SYSTEM remote indoor temperature Following...
  • Page 20: Reading Outdoor Temperature

    Reading Outdoor Temperature If connected to an outdoor sensor, the thermostat displays the Outside temperature. VIEW OUTSIDE TEMPERATURE The Outside temperature is located in the CHANGE FILTER UV LAMP HUMIDIFIER PAD lower right corner of the main screen. If it is OK TO PICK MULTIPLE DAYS SCREEN LOCKED not on the main screen, view the outdoor AUTO...
  • Page 21: Screen Locked

    Screen Locked Portions of the touch screen interface can be fully or partially locked. See the Advanced Settings section for information SCREEN LOCKED to use these features. When the thermostat Inside displays SCREEN LOCKED, the touch AUTO screen interface is either fully or partially SYSTEM locked.
  • Page 22 PARTIAL LOCKOUT 1 This mode locks all keys except HOLIDAY, OVERRIDE, and temperature Up/Down arrows: - User can change the temperature setpoint, but cannot change schedule settings. - The temporary temperature change lasts until next scheduled period. The screen displays that time. - User can change the temperature setpoi nt, but cannot change schedule settings.
  • Page 23 Temperature Recovery The thermostat is equipped with a feature to eliminate guesswork when setting a schedule. That is, the user need not know the amount of time for the HVAC system to Inside bring the space to temperature (without AUTO overshoot) prior to the scheduled time.The thermostat manages that automatically.
  • Page 24 Setting Calendar This thermostat is designed to, under normal use, automatically keep current time and day in memory for up to ten years once the calendar is set. There are two ways to set the calendar for this thermostat: SETTING CALENDAR AFTER THERMOSTAT IS ALREADY FUNCTIONING See steps 1 through 4, in the Advanced Settings section, to set year, month and day.
  • Page 25 SET CURRENT DAY SET MONTH OK TO PICK MULTIPLE DAYS SCREEN LOCKED OK TO PICK MULTIPLE DAYS SCREEN LOCKED CHANGE FILTER UV LAMP HUMIDIFIER PAD CHANGE FILTER UV LAMP HUMIDIFIER PAD DONE DONE USE ARROWS TO SET YEAR AND TIME M22761 62-3071¿2...
  • Page 26: Advanced Settings

    Advanced Settings The thermostat has many advanced settings to match the HVAC system. These settings can be adjusted to match specific needs: 1. From the main screen, press CHANGE FILTER UV LAMP SYSTEM. Five blank touch keys Inside show on the bottom of the screen Following between DONE and CANCEL.
  • Page 27 Step 1. User Setup Number 0120: First Two Digits of Current Calendar Year. To change current setting, press the Up ADVANCE TO NEXT or Down arrow to the right of the two- USER SETUP USER SETUP digit number in the lower right corner of CURRENT NUMBER SETTING...
  • Page 28 Step 3. User Setup Number 0140: Current Calendar Month. To change Options, press the Up or Down arrowto the right of number in lower right corner of the screen. Options: 1 through 12 - for January through December. Step 4. User Setup Number 0150: Current Calendar Date. To change Options, press the Up or Down arrow to the right of the number in the lower right corner of the screen.
  • Page 29 Step 7. User Setup Number 0330: Daylight Saving Time On or Off. To change Options, press the Up or Down arrow to the right of the number in the lower right corner of the screen. Options: 0 - Off. Thermostat time does not adjust automatically for Daylight Saving Time. 1 ¿...
  • Page 30: Frequently Asked Questions And Answers

    Frequently Asked Questions and Answers Q: Some or all keys on the display do not work; why not? A: Thermostat screen is locked. Q: Backlighting seems dim; is it designed to be dim? A: When using batteries for power, install fresh AAA alkaline batteries. Q: Thermostat is asking for heating or cooling to come on (screen shows -Heat On- or -Cool On- in display) but there is no heating or cooling running.