Operating Your Thermostat

INSTALLER/CONFIGURATION MENU

21)Select Filter Replacement Reminder and Set Run Time – Select the “Change Filter” reminder On or OFF. If selected On, press MENU to select the time period from 25 to 1975 hours in 25 hours increments. In a typical system, 200 hours (default) of run time is approximately 30 days. After the selected time of blower operation, the thermostat will display “Change Filter” as a reminder to change or clean your air ﬁ lter. When “Change Filter” is displayed, press MENU or RUN SCHED button to clear the display and restart the time to the next ﬁ lter change.

22)Select Reversing Valve Output – The O/B option is factory set at “O” position. This will accommodate the majority of heat pump applications, which require the changeover relay to be energized in COOL. If the thermostat you are replacing or the heat pump being installed with this thermostat requires a “B” terminal, to energize the changeover relay in HEAT, the O/B option should be set at “B” position.

Choose the Fan Setting (Auto or On)

Set the FAN Switch to Auto or On.

Fan Auto is the most commonly selected setting and runs the fan only when the heating or cooling system is on.

Fan On runs the fan continuously for increased air circulation or to allow additional air cleaning.

IMPORTANT!

Manual Operation for Non-Programmable Mode

Press the SYSTEM button to select Heat or Cool and use

the or buttons to adjust the temperature to your desired setting. After selecting your desired settings you can also press the SYSTEM button to select AUTO to allow the thermostat to automatically change between Heat and Cool.

Choose the System Setting

(Heat, Off, Cool, Auto, Emer)

Press the SYSTEM button to select:

Heat: Thermostat controls only the heating system.

Off: Heating and Cooling systems are off.

Cool: Thermostat controls only the cooling system.

Auto: Auto Changeover is used in areas where both heating and cooling may be required on the same day. AUTO allows the thermostat to automatically select heating or cooling depending on the indoor temperature and the selected heat and cool temperatures. When using AUTO, be sure to set the Cooling temperatures more than 1° Fahrenheit higher than the heating temperature.

Emer: (Heat Pump models) Thermostat controls only backup heating system.

Manual Operation (Bypassing the Program) Programmable Thermostats

Press or and then the HOLD button and adjust the temperature wherever you like. This will override the program. The HOLD feature bypasses the program and allows you

to adjust the temperature manually, as needed. Whatever temperature you set in HOLD will be maintained 24 hours a day, until you manually change the temperature or press Run Sched to cancel HOLD and resume the programmed schedule.

Program Override (Temporary Override)

Press or buttons to adjust the temperature. This will override the temperature setting for two hours minimum or until the next programmed time. To cancel the temporary setting at any time and return to the program, press Run Sched. If the SYSTEM button is pressed to select AUTO the thermostat will change to Heat or Cool, whichever ran last. If it switches to heat but you want cool, or it changes

to cool but you want heat, press both and buttons simultaneously to change to the other mode.

PROGRAMMING (For Programmable Model Only)

Set Current Time and Date

1)Press Menu and then Time button once. The display will show the hour only.

2)Press and hold either the or key until you reach the correct hour and AM/PM designation (AM begins at midnight, PM begins at noon).

3)Press Time once again. The display window will show the minutes only.

4)Press and hold either the or key until you reach the correct minutes.

5)Additional presses of Time will advance the display to

show the year, month and date of month. Press the

or key to change the display to the correct setting for each.

6)Press Run Sched to exit the Time mode.

Enter the Heating Program

1)Press SYSTEM button to select “Heat” in the system switch area indicating the active mode being pro- grammed.

2)Press the Menu button and then press Schedule.

3)The top of the display will show the day(s) being pro- grammed. The time and temperature (ﬂ ashing) are also displayed. “1” will also be displayed to indicate the pe- riod.

4)Press or key to change the temperature to your selected temperature for the 1st heating period.