Main Screen Selections
Main Screen Display
Programming Heating and Cooling Schedule
The thermostat can control up to four different schedule periods per day:
Editing Schedule
SETTING FAN
Fan selections vary based on the HVAC system type.
SETTING SYSTEM
The System selections vary based on the HVAC system type.
Setting Temperature Overrides
There are three temperature override options:
HOLD TEMPERATURE UNTIL
Holds the temperature temporarily until the tme set by the user, or the next scheduled period time
OVERRIDE
HOLIDAY
Fan Schedule
Press FAN while in the SCHEDULE screen to program the system fan. Choices available from the SCHEDULE screen:
Fan Status Displayed on Main Screen
If the fan program is scheduled, the scheduled mode (AUTO or ON) appears. When the thermostat is running the fan, the fan blade symbol;: appears next to FAN to indicate the thermostat has the fan on.
Manual Override of Fan Schedule
Not all thermostat models require batteries. If the thermostat has batteries, a low battery warning flashes on the main screen for approximately 30 days
Replace the batteries as follows:
The thermostat has a touch screen interface. Follow these steps to clean the screen without making thermostat changes:
Reading Remote Indoor Temperature
If connected to an installed remote indoor temperature sensor, the thermostat displays the indoor temperature from the remote sensor( s).
ONE REMOTE INDOOR SENSOR INSTALLED
If one remote indoor temperature sensor is used, the screen showing the Inside temperature reading displays the temperature at the indoor remote sensor location.
MULTIPLE REMOTE INDOOR SENSORS INSTALLED
If more than one remote indoor s01sor is used, the screen showing the Inside temperature reading displays the average of all the remote indoor sensors
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 lower right corner of the main screen. If it is not on the main screen, view the outdoor temperature by pressing MORE until the outside temperature shows.
Portions of the touch screen interface can be fully or partially locked. See the Advanced Settings section for information to use these features. When the thermostat displays SCREEN LOCKED, the touch screen interface is either fully or partially locked.
Fully Locked Screen
In this mode, the entire interface is locked and not functional. To unlock screen, see the Advanced Settings section. The screen continuously displays SCREEN LOCKED
When partially locked
PARTIAL LOCKOUT 1
This mode locks all keys except HOLIDAY, OVERRIDE, and temperature Up/Down arrows: –
PARTIAL LOCKOUT 2
This mode locks all keys exoopt HOLIDAY and OVERRIDE:
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 bring the space to temperature (without overshoot) prior to the scheduled time.The thermostat manages that automatically. Simply set the program schedule to the desired time to have the space at comfort temperature. In addition, program the temperature to this comfort temperature. The thermostat activates the heating or cooling at the proper time to reach the scheduled temperature at the scheduled time. For example-the space will be occupied at 8:00 AM and the desired temperature is 70°F. Set the OCC 1 period for 8:00 AM and 70°F. The thermostat turns on the heat prior to 8:00 AM to raise the temperature to 70°F by 8:00 AM. The thermostat provides an alert that the heating or cooling system is coming on before a scheduled time by displaying “Recovery” on the screen
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 Setings section, to set year, month and day.
SETTING CALENDAR WHEN THERMOSTAT IS FIRST POWERED
When first powered, the thermostat proceeds through a sequence of screens to set the calendar
The thermostat has many advanced settings to match the HVAC system. These settings can be adjusted to match specific needs:
Step 1. User Setup Number 0120: First Two Digits of Current Calendar Year.
To change the current setting, press the Up or Down arrow to the right of the two digit number in the lower right corner of the screen. Options:
Step 2. User Setup Number 0130: Last Two Digits of Current Calendar Year.
To change Options, press the Up or Down arrow to the right of the two-digit number in the lower right corner of the screen. Options: 01 through 99 – for years 2×01 through 2×99
Step 3. User Setup Number 0140: Current Calendar Month.
To change Options, press the Up or Down arrowo 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. Options: 1 throogh 31 – for first of a month to 31 st of a month.
Step 5. User Setup Number 0160: Schedule Options.
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 – non-programmable. The thermostat is nonprogrammable. 4 – programmable. Thermostat is fully programmable, allowing all 7 days to be programmed.
Step 6. User Setup Number 0320: Display Temperature Shown in °For °C.
To change Options, press the Up or Down arrow to the right of the number in the lower right corner of the screen. Options:
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:
Step 8. User Setup Number 0540: Programmable Periods per Day.
To change Options, press the Up or Down arrow to the right of the number in the lower right corner of the screen. Options:
Step 9. User Setup Number 0640: Time Format.
To change Options, press the Up or Down arrow to the right of the number in the lower right corner of the screen. Options:
Step 10. Exit User Setup
Press DONE to exit Advanced Settings and return to the main screen
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: The 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.
A: Call your local heating and/or cooling contractor to check your heating and/or cooling system.
Q: Why doesn’t the thermostat respond when I touch the screen?
A: Chec to determine if the screen is in the Locked or Clean mode. See Screen Locked and Cleaning Thermostat Screen sections.
Q: The thermostat only allows the selection of one day to the program. Why is this?
A: Check the screen to ensure it shows OK TO PICK MULTIPLE DAYS. You may need to simply press EDIT.
DOWNLOAD MANUAL
Lennox Commercial Touch Screen Thermostat Owner’s Guide
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